阅读说明：本技术 一种水利工程用抗冲击坝体结构及其浇筑方法 (Impact-resistant dam body structure for hydraulic engineering and pouring method thereof ) 是由 刘毅 于 2021-09-18 设计创作，主要内容包括：本发明公开了一种水利工程用抗冲击坝体结构及其浇筑方法,包括非溢流重力坝以及溢流重力坝,所述非溢流重力坝和所述溢流重力坝内部结构相同,所述非溢流重力坝内部等距开设有多个横缝,所述非溢流重力坝内部开设有两条廊道。该种水利工程用抗冲击坝体结构及其浇筑方法,通过设置的防渗水层可以有效增加该坝体的防渗水性能,增加坝体的密封性以及防水性能,通过设置的耐腐蚀涂层可以有效降低蓄水对坝体两侧的浸泡腐蚀以及蓄水对坝体的冲击,提高坝体的抗腐蚀性能和抗冲击性能,通过在廊道内部预埋的排水管和排水支管,可以对渗入坝体内部的水及时进行排出,防止水长时间积蓄在坝体内部对坝体造成侵蚀,降低溃坝风险。(The invention discloses an impact-resistant dam body structure for hydraulic engineering and a pouring method thereof. According to the anti-impact dam body structure for the hydraulic engineering and the pouring method of the anti-impact dam body structure, the anti-seepage performance of the dam body can be effectively improved through the arranged anti-seepage layer, the sealing performance and the waterproof performance of the dam body are improved, the soaking corrosion of the water storage to the two sides of the dam body and the impact of the water storage to the dam body can be effectively reduced through the arranged corrosion-resistant coating, the corrosion resistance and the impact resistance of the dam body are improved, the water permeating into the dam body can be timely discharged through the drain pipe and the drain branch pipe which are pre-embedded in the gallery, the problem that the water is accumulated in the dam body for a long time to corrode the dam body is solved, and the dam break risk is reduced.)

1. The anti-impact dam body structure for the hydraulic engineering comprises a non-overflow gravity dam (1) and an overflow gravity dam (2), and is characterized in that the non-overflow gravity dam (1) and the overflow gravity dam (2) are identical in internal structure, a plurality of groups of flood discharge gates (3) are arranged at the top of the overflow gravity dam (2) at equal intervals, flood control gates are arranged inside the flood discharge gates (3), flow guiding ridges (4) are arranged on two sides of the bottom of the overflow gravity dam (2), a plurality of transverse seams (5) are arranged inside the non-overflow gravity dam (1) at equal intervals, a waterproof layer is arranged inside the transverse seams (5), two galleries (6) are arranged inside the non-overflow gravity dam (1), two ends of the galleries (6) are respectively in through connection with two sides of the non-overflow gravity dam (1), and a plurality of communication galleries (7) are arranged inside the non-overflow gravity dam (1), many the top of intercommunication corridor (7) all with non-overflow gravity dam (1) top corridor (6) inside through connection, many the bottom of intercommunication corridor (7) all with non-overflow gravity dam (1) bottom corridor (6) inside through connection.

2. The impact-resistant dam body structure for the water conservancy project according to claim 1, wherein the non-overflow gravity dam (1) comprises a first pouring section (101) inside, a second pouring section (102) is arranged at the top of the first pouring section (101), a third pouring section (103) is arranged at the top of the second pouring section (102), a fourth pouring section (104) is arranged at the top of the third pouring section (103), the first pouring section (101), the second pouring section (102) and the third pouring section (103) are all provided with a connecting surface (8), the connecting surface (8) is arranged in a step shape, and a plurality of chisel holes are formed in the top of the connecting surface (8).

3. The impact-resistant dam body structure for the water conservancy project according to claim 2, wherein a plurality of steel reinforcement frameworks (9) are arranged inside the first pouring section (101), a plurality of longitudinal ribs (901) are arranged inside the steel reinforcement frameworks (9), and a plurality of ring ribs (902) are fixedly connected to the peripheries of the longitudinal ribs (901).

4. The anti-impact dam structure for the water conservancy project according to claim 1, wherein a drain pipe (10) is fixedly connected to the inside of the gallery (6) at the bottom of the non-overflow gravity dam (1), a plurality of drain branch pipes (1001) are connected to one side of the drain pipe (10) in a penetrating manner at equal intervals, and one end of each drain branch pipe (1001) extends to one side of the non-overflow gravity dam (1).

5. The impact-resistant dam body structure for the water conservancy project according to claim 1, wherein corrosion-resistant coatings (11) are sprayed on both sides of the non-overflow gravity dam (1), and the corrosion-resistant coatings (11) are made of polyurea materials.

6. The impact-resistant dam body structure for the water conservancy project according to claim 1, wherein water seepage prevention layers (12) are arranged on two sides inside the non-overflow gravity dam (1), and the water seepage prevention layers (12) are higher than the water storage layers.

7. A method for pouring an impact-resistant dam body for hydraulic engineering is characterized by comprising the following steps:

s1: embedding a steel bar framework: fixing and bundling a plurality of longitudinal bars through a plurality of ring bars to form a plurality of single steel bar frameworks, and fixing the plurality of single steel bar frameworks on a dam foundation to form a complete non-overflow gravity dam steel bar framework;

s2: pouring the first pouring section: assembling a plurality of pouring templates to form a complete pouring section I model, reserving a gallery, a communicating gallery and a transverse seam space, pouring and forming concrete into the pouring section I model, so that the steel reinforcement framework and the concrete are condensed, and the connecting surface at the top of the pouring section I is in a step shape;

s3: the connecting surface of the first pouring section is subjected to roughening treatment: after the concrete poured inside the first pouring section is solidified and formed, performing scabbling treatment on the top of the connecting surface of the first pouring section to enable the top of the connecting surface of the first pouring section to be in a state that a plurality of scabbling holes are uniformly distributed;

s4: pre-burying a drain pipe: fixing a drain pipe in the gallery of the formed pouring section I, and extending a plurality of drain branch pipes to one side of the non-overflow gravity dam;

s5: pouring the second pouring section and performing roughening treatment: dismantling a plurality of pouring templates on the periphery of the formed first pouring section, assembling a second pouring section model on the top of the first pouring section, reserving a gallery, communicating the gallery and a transverse seam space, pouring formed concrete into the second pouring section model to enable a steel bar framework to be condensed with the concrete, enabling the connection surface of the top of the second pouring section to be in a ladder shape, and performing roughening treatment on the connection surface of the top of the second pouring section to enable the top of the connection surface of the second pouring section to be in a state of uniformly distributing a plurality of roughening holes;

s6: pouring section three, pouring and roughening treatment: dismantling a plurality of pouring templates on the periphery of the formed second pouring section, assembling a third pouring section model at the top of the second pouring section, reserving a gallery, communicating the gallery and a transverse seam space, pouring formed concrete into the third pouring section model to enable a steel bar framework to be condensed with the concrete, enabling the connection surface of the third pouring section top to be in a ladder shape, and performing roughening treatment on the connection surface of the third pouring section top to enable the top of the connection surface of the third pouring section top to be in a state of uniformly distributing a plurality of roughening holes;

s7: pouring section four pouring and roughening treatment: removing the plurality of pouring templates on the periphery of the formed pouring section III, assembling a pouring section IV model at the top of the pouring section III, reserving a transverse seam space, and pouring formed concrete into the pouring section IV model to enable the steel reinforcement framework and the concrete to be solidified;

s8: grouting a transverse joint space: pouring a waterproof layer into the reserved transverse seams of the pouring section I, the pouring section II, the pouring section III and the pouring section IV to prevent the transverse seams from water seepage, wherein the reserved transverse seams can be used as temperature seams and settlement seams;

s9: grouting of a water seepage prevention layer: pouring impermeable layers to two sides of the formed dam body through the reserved galleries, so that the height of the impermeable layers is higher than that of the water storage layer;

s10: protection of two sides of the dam body: and the corrosion-resistant coatings are sprayed on the two sides of the formed dam body, so that the corrosion resistance and the impact resistance of the two sides of the dam body are improved.

Technical Field

The invention relates to the technical field of dam reinforcement structures, in particular to an impact-resistant dam body structure for hydraulic engineering and a pouring method thereof.

Background

Hydraulic engineering is an engineering built for controlling and allocating surface water and underground water in the nature to achieve the purpose of removing harm and benefiting, is also called water engineering, water is a valuable resource essential for human production and life, but the naturally existing state of the water does not completely meet the needs of human beings, and only when the hydraulic engineering is built, water flow can be controlled to prevent flood disasters, and water quantity regulation and distribution are performed to meet the needs of people's life and production on water resources.

The water conservancy dam is built through the engineering of benefiting the nation and the people, which is highly valued by the state since ancient times, the dam can well protect the life and property safety of the downstream people, however, the internal structure of the traditional dam body structure is simpler, an impermeable water layer is not arranged in the pouring and forming process, the dam body is soaked in water for a long time, the pressure ratio of the stored water is larger, the corrosion of the dam body structure is easy to occur, the structural strength of the dam body is reduced, certain potential safety hazards exist, a special water guide structure is not arranged in the traditional dam body structure, the water seeping into the dam body cannot be timely discharged, the corrosion risk of the dam body is increased, a corrosion-resistant layer is not sprayed on the surface of the traditional dam body, the dam body is easy to crack under the impact of the stored water, and the risk of dam break is increased. Therefore, the improvement is made, and the impact-resistant dam body structure for the hydraulic engineering and the pouring method thereof are provided.

Disclosure of Invention

In order to solve the technical problems, the invention provides the following technical scheme:

the invention relates to an impact-resistant dam body structure for hydraulic engineering, which comprises a non-overflow gravity dam and an overflow gravity dam, the internal structures of the non-overflow gravity dam and the overflow gravity dam are the same, a plurality of groups of flood discharge gates are arranged at the top of the overflow gravity dam at equal intervals, flood control gates are arranged in the plurality of groups of flood discharge gates, flow guiding ridges are arranged on two sides of the bottom of the overflow gravity dam, a plurality of transverse seams are arranged in the non-overflow gravity dam at equal intervals, waterproof layers are arranged in the transverse seams, two galleries are arranged in the non-overflow gravity dam, two ends of the two galleries are respectively connected with two sides of the non-overflow gravity dam in a penetrating way, and many intercommunication galleries have been seted up to non-overflow gravity dam inside, many the top of intercommunication gallery all with non-overflow gravity dam top the inside through connection of gallery, many the bottom of intercommunication gallery all with non-overflow gravity dam bottom the inside through connection of gallery.

As a preferred technical scheme of the invention, the inner part of the non-overflow gravity dam comprises a first pouring section, a second pouring section is arranged at the top of the first pouring section, a third pouring section is arranged at the top of the second pouring section, a fourth pouring section is arranged at the top of the third pouring section, connecting surfaces are arranged at the tops of the first pouring section, the second pouring section and the third pouring section, the connecting surfaces are arranged in a stepped manner, and a plurality of pore-forming holes are formed at the top of the connecting surfaces.

According to a preferred technical scheme, a plurality of steel reinforcement frameworks are arranged inside the first pouring section, a plurality of longitudinal reinforcements are arranged inside the steel reinforcement frameworks, and a plurality of ring reinforcements are fixedly connected to the peripheries of the longitudinal reinforcements.

As a preferred technical solution of the present invention, a drain pipe is fixedly connected to the inside of the gallery at the bottom of the non-overflow gravity dam, a plurality of drain branch pipes are connected to one side of the drain pipe in an equidistant manner, and one end of each of the plurality of drain branch pipes extends to one side of the non-overflow gravity dam.

As a preferred technical scheme of the invention, corrosion-resistant coatings are sprayed on both sides of the non-overflow gravity dam, and the corrosion-resistant coatings are made of polyurea materials.

As a preferred technical scheme of the invention, two sides of the inner part of the non-overflow gravity dam are provided with water seepage prevention layers, and the water seepage prevention layers are higher than the water storage layer.

A pouring method of an impact-resistant dam body for hydraulic engineering comprises the following steps:

s1: embedding a steel bar framework: fixing and bundling a plurality of longitudinal bars through a plurality of ring bars to form a plurality of single steel bar frameworks, and fixing the plurality of single steel bar frameworks on a dam foundation to form a complete non-overflow gravity dam steel bar framework;

s2: pouring the first pouring section: assembling a plurality of pouring templates to form a complete pouring section I model, reserving a gallery, a communicating gallery and a transverse seam space, pouring and forming concrete into the pouring section I model, so that the steel reinforcement framework and the concrete are condensed, and the connecting surface at the top of the pouring section I is in a step shape;

s3: the connecting surface of the first pouring section is subjected to roughening treatment: after the concrete poured inside the first pouring section is solidified and formed, performing scabbling treatment on the top of the connecting surface of the first pouring section to enable the top of the connecting surface of the first pouring section to be in a state that a plurality of scabbling holes are uniformly distributed;

s4: pre-burying a drain pipe: fixing a drain pipe in the gallery of the formed pouring section I, and extending a plurality of drain branch pipes to one side of the non-overflow gravity dam;

s5: pouring the second pouring section and performing roughening treatment: dismantling a plurality of pouring templates on the periphery of the formed first pouring section, assembling a second pouring section model on the top of the first pouring section, reserving a gallery, communicating the gallery and a transverse seam space, pouring formed concrete into the second pouring section model to enable a steel bar framework to be condensed with the concrete, enabling the connection surface of the top of the second pouring section to be in a ladder shape, and performing roughening treatment on the connection surface of the top of the second pouring section to enable the top of the connection surface of the second pouring section to be in a state of uniformly distributing a plurality of roughening holes;

s6: pouring section three, pouring and roughening treatment: dismantling a plurality of pouring templates on the periphery of the formed second pouring section, assembling a third pouring section model at the top of the second pouring section, reserving a gallery, communicating the gallery and a transverse seam space, pouring formed concrete into the third pouring section model to enable a steel bar framework to be condensed with the concrete, enabling the connection surface of the third pouring section top to be in a ladder shape, and performing roughening treatment on the connection surface of the third pouring section top to enable the top of the connection surface of the third pouring section top to be in a state of uniformly distributing a plurality of roughening holes;

s7: pouring section four pouring and roughening treatment: removing the plurality of pouring templates on the periphery of the formed pouring section III, assembling a pouring section IV model at the top of the pouring section III, reserving a transverse seam space, and pouring formed concrete into the pouring section IV model to enable the steel reinforcement framework and the concrete to be solidified;

s8: grouting a transverse joint space: pouring a waterproof layer into the reserved transverse seams of the pouring section I, the pouring section II, the pouring section III and the pouring section IV to prevent the transverse seams from water seepage, wherein the reserved transverse seams can be used as temperature seams and settlement seams;

s9: grouting of a water seepage prevention layer: pouring impermeable layers to two sides of the formed dam body through the reserved galleries, so that the height of the impermeable layers is higher than that of the water storage layer;

s10: protection of two sides of the dam body: and the corrosion-resistant coatings are sprayed on the two sides of the formed dam body, so that the corrosion resistance and the impact resistance of the two sides of the dam body are improved.

The invention has the beneficial effects that:

1. according to the anti-impact dam body structure for the hydraulic engineering and the pouring method thereof, the anti-seepage performance of the dam body can be effectively improved through the arranged anti-seepage layer, the dam body is prevented from being corroded by the fact that the dam body is soaked in stored water for a long time and the stored water permeates into the dam body, the sealing performance and the waterproof performance of the dam body are improved, and the service life is prolonged;

2. according to the anti-impact dam body structure for the hydraulic engineering and the pouring method thereof, the corrosion-resistant coating can effectively reduce the soaking corrosion of the stored water on the two sides of the dam body and the impact of the stored water on the dam body, the corrosion resistance and the impact resistance of the dam body are improved, the structural strength of the dam body is increased, and the service life of the dam body is prolonged;

3. according to the anti-impact dam body structure for the hydraulic engineering and the pouring method of the anti-impact dam body structure, water permeating into the dam body can be discharged in time through the drain pipes and the drain branch pipes which are pre-buried in the gallery, the dam body is prevented from being corroded due to the fact that the water is accumulated in the dam body for a long time, the probability that the dam body is corroded due to water seepage is reduced, the use safety of the dam body is improved, and the risk of dam break is reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is an overall schematic view of an impact-resistant dam structure for hydraulic engineering according to the present invention;

FIG. 2 is a schematic diagram of a non-overflow gravity dam of an impact-resistant dam body structure for hydraulic engineering according to the present invention;

FIG. 3 is a schematic diagram of the pre-embedding of a steel reinforcement framework of an impact-resistant dam body structure for hydraulic engineering;

FIG. 4 is a schematic diagram of pre-burying of a drain pipe of an impact-resistant dam body structure for hydraulic engineering, according to the present invention;

fig. 5 is a schematic cross-sectional view of a non-overflow gravity dam of an impact-resistant dam body structure for hydraulic engineering.

In the figure: 1. a non-overflow gravity dam; 101. pouring a first section; 102. a second pouring section; 103. a third pouring section; 104. a fourth pouring section; 2. an overflow gravity dam; 3. a flood discharge gate; 4. flow guiding ridges; 5. transversely sewing; 6. a gallery; 7. communicating the galleries; 8. a connecting surface; 9. a steel reinforcement cage; 901. longitudinal ribs; 902. looping ribs; 10. a drain pipe; 1001. a drain branch pipe; 11. a corrosion-resistant coating; 12. and (4) a water seepage prevention layer.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in figures 1-5, the impact-resistant dam body structure for hydraulic engineering comprises a non-overflow gravity dam 1 and an overflow gravity dam 2, wherein the internal structures of the non-overflow gravity dam 1 and the overflow gravity dam 2 are the same, a plurality of groups of flood discharge gates 3 are arranged at the top of the overflow gravity dam 2 at equal intervals, flood control gates are arranged in the plurality of groups of flood discharge gates 3, flow guiding ridges 4 are arranged on two sides of the bottom of the overflow gravity dam 2, a plurality of transverse seams 5 are arranged in the non-overflow gravity dam 1 at equal intervals, waterproof layers are arranged in the plurality of transverse seams 5, two galleries 6 are arranged in the non-overflow gravity dam 1, two ends of the two galleries 6 are respectively connected with two sides of the non-overflow gravity dam 1 in a penetrating manner, and many intercommunication galleries 7 have been seted up to non-overflow gravity dam 1 inside, and the top of many intercommunication galleries 7 is all with the inside through connection of gallery 6 at non-overflow gravity dam 1 top, and the bottom of many intercommunication galleries 7 is all with the inside through connection of gallery 6 at non-overflow gravity dam 1 bottom.

Wherein, the non-overflow gravity dam 1 comprises a first pouring section 101, a second pouring section 102 is arranged on the top of the first pouring section 101, a third pouring section 103 is arranged on the top of the second pouring section 102, a fourth pouring section 104 is arranged on the top of the third pouring section 103, a first pouring section 101, a second pouring section 102 and a third pouring section 103 are all provided with connecting surfaces 8, the connecting surfaces 8 are arranged in a step shape, a plurality of chisel holes are arranged on the tops of the connecting surfaces 8, the first pouring section 101, the second pouring section 102, the third pouring section 103 and the fourth pouring section 104 are adopted for segmental pouring of the dam body, the strength of the dam body structure formed by pouring can be improved, one-time pouring of the dam body is avoided, the concrete in the dam body is not fully condensed, the strength of the formed dam body is reduced, the temperature in the dam body can be rapidly reduced in the pouring process, the condensation of the concrete is facilitated, and the segmental pouring is convenient to construct, reduce the construction degree of difficulty, through having seted up a plurality of chisel pores at connecting 8 tops of face, can increase the roughness of the surface of connecting face 8, increase the adhesive strength between the adjacent section of pouring.

Wherein, pour section one 101 inside and be provided with a plurality of framework of steel reinforcement 9, framework of steel reinforcement 9 is inside to be provided with many and indulge muscle 901, and many are indulged a plurality of rings muscle 902 of muscle 901 periphery fixedly connected with, through indulging a plurality of rings muscle 902 of muscle 901 periphery fixedly connected with in many, can increase the structural strength of equipment shaping framework of steel reinforcement 9, prevent to take place extrusion deformation at the in-process framework of pouring 9, reduce the intensity of pouring.

Wherein, the inside fixedly connected with drain pipe 10 of corridor 6 of non-overflow gravity dam 1 bottom, drain pipe 10 one side equidistance through connection has many drainage branch 1001, and many drainage branch 1001 one end extend to non-overflow gravity dam 1 one side, through at the inside pre-buried drain pipe 10 of corridor 6 and drainage branch 1001, can in time discharge the inside water of infiltration dam, prevent that water from long-time accumulating and causing the erosion at the dam inside to the dam, reduce the probability that the dam received the infiltration erosion, improve the safety in utilization of dam.

The corrosion-resistant coatings 11 are sprayed on two sides of the non-overflow gravity dam 1, the corrosion-resistant coatings 11 are made of polyurea materials, soaking corrosion of stored water on two sides of the dam body and impact of the stored water on the dam body can be effectively reduced through the corrosion-resistant coatings 11, the corrosion resistance and the impact resistance of the dam body are improved, the structural strength of the dam body is improved, and the service life of the dam body is prolonged.

Wherein, the inside both sides of non-overflow gravity dam 1 all are provided with prevention of seepage water layer 12, and prevention of seepage water layer 12 is higher than the reservoir, can effectively increase the prevention of seepage water performance of this dam body through the prevention of seepage water layer 12 that sets up, avoids the dam body to soak in the retaining for a long time and causes the erosion to the dam body, increases the life of dam body.

A pouring method of an impact-resistant dam body for hydraulic engineering comprises the following steps:

s1: embedding a steel bar framework: fixing and bundling a plurality of longitudinal bars through a plurality of ring bars to form a plurality of single steel bar frameworks, and fixing the plurality of single steel bar frameworks on a dam foundation to form a complete non-overflow gravity dam steel bar framework;

s2: pouring the first pouring section: assembling a plurality of pouring templates to form a complete pouring section I model, reserving a gallery, a communicating gallery and a transverse seam space, pouring and forming concrete into the pouring section I model, so that the steel reinforcement framework and the concrete are condensed, and the connecting surface at the top of the pouring section I is in a step shape;

s3: the connecting surface of the first pouring section is subjected to roughening treatment: after the concrete poured inside the first pouring section is solidified and formed, performing scabbling treatment on the top of the connecting surface of the first pouring section to enable the top of the connecting surface of the first pouring section to be in a state that a plurality of scabbling holes are uniformly distributed;

s4: pre-burying a drain pipe: fixing a drain pipe in the gallery of the formed pouring section I, and extending a plurality of drain branch pipes to one side of the non-overflow gravity dam;

s5: pouring the second pouring section and performing roughening treatment: dismantling a plurality of pouring templates on the periphery of the formed first pouring section, assembling a second pouring section model on the top of the first pouring section, reserving a gallery, communicating the gallery and a transverse seam space, pouring formed concrete into the second pouring section model to enable a steel bar framework to be condensed with the concrete, enabling the connection surface of the top of the second pouring section to be in a ladder shape, and performing roughening treatment on the connection surface of the top of the second pouring section to enable the top of the connection surface of the second pouring section to be in a state of uniformly distributing a plurality of roughening holes;

s6: pouring section three, pouring and roughening treatment: dismantling a plurality of pouring templates on the periphery of the formed second pouring section, assembling a third pouring section model at the top of the second pouring section, reserving a gallery, communicating the gallery and a transverse seam space, pouring formed concrete into the third pouring section model to enable a steel bar framework to be condensed with the concrete, enabling the connection surface of the third pouring section top to be in a ladder shape, and performing roughening treatment on the connection surface of the third pouring section top to enable the top of the connection surface of the third pouring section top to be in a state of uniformly distributing a plurality of roughening holes;

s7: pouring section four pouring and roughening treatment: removing the plurality of pouring templates on the periphery of the formed pouring section III, assembling a pouring section IV model at the top of the pouring section III, reserving a transverse seam space, and pouring formed concrete into the pouring section IV model to enable the steel reinforcement framework and the concrete to be solidified;

s8: grouting a transverse joint space: pouring a waterproof layer into the reserved transverse seams of the pouring section I, the pouring section II, the pouring section III and the pouring section IV to prevent the transverse seams from water seepage, wherein the reserved transverse seams can be used as temperature seams and settlement seams;

s9: grouting of a water seepage prevention layer: pouring impermeable layers to two sides of the formed dam body through the reserved galleries, so that the height of the impermeable layers is higher than that of the water storage layer;

s10: protection of two sides of the dam body: and the corrosion-resistant coatings are sprayed on the two sides of the formed dam body, so that the corrosion resistance and the impact resistance of the two sides of the dam body are improved.

The working principle is as follows: when in work:

s1: embedding a steel bar framework: fixing and bundling a plurality of longitudinal ribs 901 through a plurality of ring ribs 902 to form a plurality of single steel reinforcement frameworks 9, and fixing the plurality of single steel reinforcement frameworks 9 on a dam foundation to form the complete steel reinforcement framework 9 of the non-overflow gravity dam 1;

s2: pouring the first pouring section: assembling a plurality of pouring templates to form a complete pouring section I101 model, reserving a gallery 6, a communicating gallery 7 and a transverse seam 5 space, pouring and forming concrete into the pouring section I101 model, so that the reinforcement cage 9 and the concrete are condensed, and the connecting surface 8 at the top of the pouring section I101 is in a step shape;

s3: the connecting surface of the first pouring section is subjected to roughening treatment: after the concrete poured in the first pouring section 101 is solidified and formed, performing roughening treatment on the top of the connecting surface 8 of the first pouring section 101 to enable the top of the connecting surface 8 of the first pouring section 101 to be in a state that a plurality of roughening holes are uniformly distributed;

s4: pre-burying a drain pipe: fixing a drain pipe 10 in the gallery 6 of the formed pouring section I101, and extending a plurality of drain branch pipes 1001 to one side of the non-overflow gravity dam 1;

s5: pouring the second pouring section and performing roughening treatment: dismantling a plurality of pouring templates on the periphery of the formed first pouring section 101, assembling a second pouring section 102 model on the top of the first pouring section 101, reserving a gallery 6, a communicating gallery 7 and a transverse seam 5 space, pouring formed concrete into the second pouring section 102 model, enabling a steel bar framework 9 to be coagulated with the concrete, enabling a connecting surface 5 on the top of the second pouring section 102 to be in a step shape, and performing roughening treatment on a connecting surface 8 on the top of the second pouring section 102 to enable the top of the connecting surface 8 of the second pouring section 102 to be in a state of uniformly distributing a plurality of roughened holes;

s6: pouring section three, pouring and roughening treatment: dismantling a plurality of pouring templates on the periphery of the second formed pouring section 102, assembling a third formed pouring section 103 model on the top of the second formed pouring section 102, reserving a gallery 6, a communicating gallery 7 and a transverse seam 5, pouring formed concrete into the third formed pouring section 103 model to enable a steel bar framework 9 to be coagulated with the concrete, enabling a connecting surface 8 on the top of the third formed pouring section 103 to be in a step shape, and performing roughening treatment on the connecting surface 8 on the top of the third formed pouring section 103 to enable the top of the connecting surface 8 on the top of the third formed pouring section 103 to be in a state that a plurality of roughened holes are uniformly distributed;

s7: pouring section four pouring and roughening treatment: removing a plurality of pouring templates on the periphery of the formed third pouring section 103, assembling a fourth pouring section 104 model on the top of the third pouring section 103, reserving a transverse joint 5 space, and pouring formed concrete into the fourth pouring section 104 model to enable the reinforcement cage 9 to be coagulated with the concrete;

s8: grouting a transverse joint space: pouring a waterproof layer into the reserved transverse seams 5 of the first pouring section 101, the second pouring section 102, the third pouring section 103 and the fourth pouring section 104 which are formed in a pouring mode, so that water seepage of the transverse seams 5 is prevented, and the reserved transverse seams 5 can be used as temperature seams and settlement seams;

s9: grouting of a water seepage prevention layer: pouring impermeable layers 12 into the two sides of the formed dam body through the reserved gallery 6, so that the height of the impermeable layers 12 is higher than that of the water storage layer;

s10: protection of two sides of the dam body: and (3) spraying corrosion-resistant coatings 11 to the two sides of the formed dam body, so that the corrosion resistance and the impact resistance of the two sides of the dam body are improved.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.