阅读说明：本技术 混凝土箱涵和检查井在不停产下的壁板开孔方法及钢模板 (Method for perforating concrete box culvert and inspection well on wall plate without stopping production and steel formwork ) 是由 李国洪 杨涛 王雄 徐林 李刚 徐海艳 黄建波 赵清宇 罗俊 刘臣 邓涛 陈波 于 2020-05-21 设计创作，主要内容包括：本发明提供一种混凝土箱涵和检查井在不停产下的壁板开孔方法及钢模板结构,采用本发明的方法,可在不停止污水处理设施的正常运行条件下,进行开孔埋管,具体是通过将钢模板设置在拟开孔洞处壁板的内侧面上,使用横撑和斜撑固定钢模板,然后在钢模板与壁板形成的容置腔中浇筑混凝土,待混凝土达到强度后就可以在壁板的外侧面进行开孔、修补和加固等工作,整个过程无需停止设施的运行,相比现有开孔方法来说,污水处理设施的连续运行可大大减少对环境的污染和不良影响,且本发明所述方法的施工过程简单,施工完成后可将废弃混凝土一并清除,不留后患。(The invention provides a wallboard perforating method and a steel template structure of a concrete box culvert and an inspection well under the condition of non-stop production, and the method can be used for perforating and pipe burying under the normal operation condition of a sewage treatment facility, particularly, the steel template is arranged on the inner side surface of the wallboard at a position of a planned perforated hole, the steel template is fixed by using cross braces and inclined braces, then concrete is poured in an accommodating cavity formed by the steel template and the wallboard, and the outer side surface of the wallboard can be subjected to perforating, repairing, reinforcing and other work after the concrete reaches the strength.)

1. A method for perforating a concrete box culvert and a wallboard of an inspection well without stopping production is characterized by comprising the following steps of: the method comprises the following steps:

s1, manufacturing a steel template (1) according to the size of the hole (c) to be drilled on the wall plate (a);

s2, cleaning the inner side surface of the wallboard (a) at the position of the hole (c) to be drilled, hoisting the steel template (1) and placing the steel template into a box culvert or an inspection well, tightly attaching the steel template (1) to the wallboard (a) through the cross braces (2) and the inclined braces (3), and then fixing the cross braces (2) and the inclined braces (3), so that the steel template (1) and the inner side surface of the wallboard (a) form an accommodating cavity (4);

s3, pouring concrete in the accommodating cavity (4) formed in the step S2;

s4, after the concrete reaches the strength, perforating, repairing and reinforcing the outer side surface of the wall plate (a), connecting a pipeline with the wall plate (a), and performing water stop construction according to design requirements;

s5, chiseling concrete in the range of the hole (c), detaching the cross brace (2) and the inclined brace (3), vibrating the steel formwork (1) to loosen the concrete in the accommodating cavity (4), and then hoisting the steel formwork (1) together with the concrete to complete the operation of opening the hole and burying the pipe.

2. The method for perforating a wall plate of a concrete box culvert and an inspection well under the condition of no production stop as claimed in claim 1, wherein the method comprises the following steps: the steel formwork (1) in the step S1 comprises channel steels (11) arranged on the left side and the right side of the inner side of a wall plate (a) at the position of the hole (c) to be drilled, bottom sealing angle steel (12) fixed at the lower part of the channel steels (11), steel plates (13) fixed on the outer side of the channel steels (11) and reinforcing angle steel (14).

3. The method for perforating a wall plate of a concrete box culvert and an inspection well under the condition of no production stop as claimed in claim 2, wherein the method comprises the following steps: in the step S1, the left, right and bottom edges of the steel form (1) exceed the hole edge 1m of the hole (c) or reach two opposite side walls and the bottom wall perpendicular to the wall plate (a).

4. The method for perforating a wall plate of a concrete box culvert and an inspection well under the condition of no production stop as claimed in claim 2, wherein the method comprises the following steps: and in the step S1, the top of the steel plate (13) is higher than the inner water surface of the box culvert or the inspection well and is lower than 200mm below the top of the wall plate (a).

5. The method for perforating a wall plate of a concrete box culvert and an inspection well under the condition of no production stop as claimed in claim 2, wherein the method comprises the following steps: the back of channel-section steel (11) is fixed with stull (2), the both ends of stull (2) adopt expansion bolts (5) to fix the top at wallboard (a) and wallboard (b) relative with wallboard (a) respectively.

6. The method for perforating a wall plate of a concrete box culvert and an inspection well under the condition of no production stop as claimed in claim 5, wherein the method comprises the following steps: the lower part of channel-section steel (11) is fixed with bracing (3), bolt (6) swing joint is adopted with the junction of channel-section steel (11) in bracing (3), the other end of bracing (3) extends the top of wallboard (b), bracing (3) and stull (2) treat the junction and be equipped with bar hole (7) that are used for bolted connection.

7. The method for perforating a wall plate of a concrete box culvert and an inspection well under the condition of no production stop as claimed in claim 2, wherein the method comprises the following steps: and in the step S1, a polyethylene foam board (9) with the thickness of 10mm is adhered to the contact surface of the channel steel (11) and the bottom sealing angle steel (12) and the wall board (a).

8. The utility model provides a steel form that is used for concrete box culvert and inspection shaft wallboard trompil under not stopping production which characterized in that: including steel form (1) and fix stull (2) on steel form (1) upper portion and fix bracing (3) in steel form (1) lower part, steel form (1) hugs closely in the interior side surface of planning trompil hole (c) department wallboard (a), forms holding chamber (4), the top at wallboard (a) and relative wallboard (b) with wallboard (a) is fixed through expansion bolts (5) in stull (2), the one end and channel-section steel (11) of bracing (3) adopt bolt (6) swing joint, the other end of bracing (3) extends the top of wallboard (b) to pass through bar hole (7) bolted connection with stull (2), still be equipped with concrete placement layer (8) in holding chamber (4).

9. The steel form for the opening of the wall plate of the concrete box culvert and the inspection well without stopping production according to claim 8, wherein: the steel template (1) comprises channel steels (11) arranged at the left side and the right side of the inner side surface of a wallboard (a) at the position of a hole (c) to be drilled, bottom sealing angle steel (12) arranged at the lower part of each channel steel (11), steel plates (13) fixed at the outer side surfaces of the channel steels (11) at the left side and the right side, and a plurality of reinforcing angle steel (14) arranged at the outer side surfaces of the steel plates (13), wherein,

the bottom edges of the two channel steels (11) and the bottom edges of the channel steels (11) are arranged at positions larger than 1m of the hole edge of the hole (c) to be drilled or to two opposite side walls and a bottom wall which are vertical to the wall plate (a);

the top of the steel plate (13) is higher than the inner water surface of the box culvert or the inspection well and is 200mm lower than the top of the wall plate (a).

10. The steel form for the opening of the wall plate of the concrete box culvert and the inspection shaft without stopping production according to claim 9, wherein: and a polyethylene foam plate (9) with the thickness of 10mm is adhered to the contact surface of the channel steel (11) and the bottom sealing angle steel (12) and the wall plate (a).

Technical Field

The invention relates to the technical field of municipal engineering, in particular to a method for perforating a wall plate under the condition that a concrete box culvert and an inspection well are not stopped (water runs in the well).

Background

In recent years, with the enhancement of awareness of environmental protection, sewage treatment facilities are newly added and expanded in various places, and the original sewage treatment facilities are modified to improve the sewage discharge standard. Due to government regulation and the increased awareness of environmental protection of the masses, sewage treatment facilities need to be kept running continuously. When a sewage treatment facility is reconstructed and expanded, holes are required to be added on an original box culvert and an inspection well for reconnecting pipelines sometimes, the sewage treatment facility is required to be stopped more inconveniently, and concrete repair and reinforcement are required after some holes are formed, so that the operation cannot be completed in a short time.

At present, when a wall plate is provided with a hole in a box culvert and an inspection well in a water running state, the wall plate is generally subjected to short-time operation stop when the sewage amount is small, and then the wall plate is subjected to hole opening. However, the repairing and reinforcing of the holes are difficult to achieve the effect due to the time limit; the waterproof measures for the holes cannot be implemented as required, leaving the potential for water leakage. For structures with large water delivery quantity, the temporary water cut-off can not meet the requirement of opening holes, at the moment, water guide measures need to be adopted, but the limit of the environment and conditions is more, the method is not easy to implement, and for box culverts and inspection wells related to sewage treatment operation, the operation needs to be suspended, so that the operation suspending process is troublesome, the sewage which cannot be normally treated is directly discharged, the water environment is polluted, and the social influence is large; therefore, there is a need for a method of opening the wall panels in the water running condition of the box culvert and the manhole.

Disclosure of Invention

The invention aims to provide a method for perforating a wall plate of a concrete box culvert and an inspection well under the condition of non-stop production, which solves the technical problem that the wall plate can be perforated under the condition that water runs in the box culvert and the inspection well when a sewage treatment facility runs normally.

The invention is realized by the following technical scheme:

a method for perforating a concrete box culvert and a wall plate of an inspection well without stopping production comprises the following steps:

s1, manufacturing a steel template according to the size of the hole to be drilled on the wallboard;

s2, cleaning the inner side surface of the wallboard at the position of the hole to be drilled, hoisting the steel template, putting the steel template into a box culvert or an inspection well, attaching the steel template to the wallboard through a cross brace and an inclined brace, and then fixing the cross brace and the inclined brace, so that the steel template and the inner side surface of the wallboard form an accommodating cavity;

s3, pouring concrete in the accommodating cavity formed in the step S2;

s4, after the concrete reaches the strength, perforating, repairing and reinforcing the outer side surface of the wall plate, connecting a pipeline with the wall plate, and performing water stop construction according to the design requirement;

s5, chiseling concrete in the hole range, detaching the cross brace and the inclined brace, vibrating the steel formwork to loosen the concrete in the accommodating cavity, and then hoisting the steel formwork together with the concrete to finish the hole opening and pipe burying operation.

The steel formwork in the step S1 comprises channel steels arranged on the left side and the right side of the inner side of the wall plate at the hole to be drilled, bottom sealing angle steel fixed at the lower part of the channel steel, steel plates fixed on the outer side of the channel steel and reinforcing angle steel.

In the step S1, the left, right, and bottom edges of the steel form exceed the hole edge 1m of the hole or reach two opposite side walls and the bottom wall perpendicular to the wall plate.

And in the step S1, the top of the steel plate is higher than the inner water level of the box culvert or the inspection well and is 200mm lower than the top of the wall plate.

And a cross brace is fixed on the back surface of the channel steel, and two ends of the cross brace are respectively fixed on the wall plate and the top of the wall plate opposite to the wall plate by expansion bolts.

The lower part of channel-section steel is fixed with the bracing, bolt swing joint is adopted with the junction of channel-section steel to the bracing, the other end of bracing extends the top of wallboard, the bracing is equipped with the bar hole that is used for bolted connection with the department of being connected of stull.

And in the step S1, a polyethylene foam board with the thickness of 10mm is adhered to the contact surface of the channel steel, the bottom sealing angle steel and the wall board.

The steel formwork comprises the steel formwork, a cross brace fixed to the upper portion of the steel formwork and an inclined brace fixed to the lower portion of the steel formwork, the steel formwork is tightly attached to the inner side surface of the wallboard at the position of the hole to be drilled to form an accommodating cavity, the cross brace is fixed to the top of the wallboard and the top of the wallboard opposite to the wallboard through expansion bolts, one end of the inclined brace is movably connected with the channel steel through bolts, the other end of the inclined brace extends to the top of the wallboard and is connected with the cross brace through a strip-shaped hole bolt, and a concrete pouring layer is further arranged in the accommodating cavity.

Compared with the prior art, the invention has the beneficial effects that:

the method for perforating the wallboard without stopping production of the concrete box culvert and the inspection well can perform perforating and pipe burying under the normal operation condition of a sewage treatment facility without stopping production, specifically comprises the steps of arranging a steel template on the inner side surface of the wallboard at a planned perforated hole, fixing the steel template by using a cross brace and an inclined brace, pouring concrete in an accommodating cavity formed by the steel template and the wallboard, and performing perforating, repairing, reinforcing and the like on the outer side surface of the wallboard after the concrete reaches the strength.

Drawings

Fig. 1 is a flow chart illustrating the steps of the method for forming holes in a panel according to the present invention.

Figure 2 is a plan layout view of the steel formworks of the present invention arranged on a box culvert or inspection well wall plate.

Fig. 3 is a longitudinal sectional view of fig. 1.

Fig. 4 is a transverse cross-sectional view of fig. 1.

Shown in the figure:

1-steel formwork, 11-channel steel, 12-bottom sealing angle steel, 13-steel plate, 14-reinforcing angle steel, 2-cross brace, 3-diagonal brace, 4-holding cavity, 5-expansion bolt, 6-bolt, 7-strip hole, 8-concrete pouring layer, 9-polyethylene foam board, a-wallboard, b-wallboard opposite to wallboard a, and c-planned open hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, the present embodiment provides a method for perforating a concrete box culvert and a wall panel of an inspection well without stopping production, which comprises the following steps:

s1, manufacturing a steel template 1 according to the size of the hole c to be drilled on the wallboard a;

s2, cleaning the inner side surface of the wall plate a at the hole c to be perforated, and hoisting the manufactured steel template 1 to an interior for installation;

s3, pouring C30 underwater concrete in an accommodating cavity 4 formed by the steel template 1 and the inner side face of the wall plate a;

s4, after the concrete reaches the strength, perforating, repairing and reinforcing the outer side of the wallboard a, connecting a pipeline with the wallboard a, and performing water stop construction according to the design requirement;

and S5, chiseling concrete in the hole c range, disassembling the steel template 1, vibrating the steel template 1, hoisting the steel template 1 together with the concrete layer 8, and finishing the hole-opening pipe-burying operation.

Specifically, as shown in fig. 2 to 4, the steel form 1 in step S1 includes channel steels 11 disposed on the left and right sides of the inner side surface of the wall plate a at the hole c to be bored, back cover angles 12 fixed to the lower portion of the channel steels 11, steel plates 13 fixed to the outer side surfaces of the channel steels 11, and reinforcement angles 14, and more preferably, the channel steels 11 are 20# channel steels, the long sides of the back cover angles 12 are 200mm, the thicknesses of the steel plates 13 are determined according to actual engineering requirements, the numbers and the intervals of the reinforcement angles 14 are determined according to actual engineering requirements, and the numbers of the reinforcement angles 14 in this embodiment are 4. At the joint of the back cover angle 12 and the 20# channel steel 11, the part of the back cover angle 12 which can not extend into the 20# channel steel 11 (the short side and part of the long side of the back cover angle 12) should be cut off to ensure that no gap exists between the back cover angle 12 and the 20# channel steel 11 after the connection.

Preferably, in step S1, the channel steel 11 on the left and right sides should be disposed at a position greater than 1m from the edge of the c-shaped hole, and the bottom edge of each channel steel 11 should also exceed 1m from the edge of the c-shaped hole, when the box culvert or the inspection well is relatively small, the channel steel 11 on the two sides may be directly disposed on two vertical opposite sidewalls perpendicular to the wall plate a, and the bottom edge of the channel steel 11 may be directly disposed on the bottom wall of the box culvert or the inspection well. The top of the steel plate 13 needs to exceed the inner water surface of the box culvert or the inspection well and is not higher than 200mm below the top of the wallboard a, and the arrangement can ensure that the hole c to be perforated is water-tight and water-proof.

Preferably, in step S1, the steel form 1 further includes a cross brace 2 fixed to the back of the channel steel 11 and an inclined brace 3 movably connected to the lower portion of the channel steel 11, the cross brace 2 is a channel steel or an angle steel, and can be selected according to actual requirements, and two ends of the cross brace 2 are respectively fixed to the top of the wall plate a and the top of the wall plate b opposite to the wall plate a by using expansion bolts 5; the junction of 3 and the 11 lower parts of channel-section steel of bracing should cut off the floor of bracing 3 to with the web bend to suitable angle after with 11 channel-section steels adopt 6 swing joint of bolt, the other end of bracing 3 extends the top of wallboard b, bracing 3 and stull 2 treat that the junction is equipped with bar hole 7 that is used for bolted connection, treat when whole steel form 1 hoists to box culvert or well, through the position of bar hole 7 adjustment steel form 1, use bolt 6 to screw up bracing 2 and bracing 3 fixedly through bar hole 7 after having adjusted to use expansion bolts 5 to fix the both ends of bracing 2 on two relative wallboards. The connection part of the inclined strut 3 and the lower part of the channel steel 11 is connected but not fixed by bolts 6, so that the position of the steel form 1 is conveniently adjusted.

It should be noted that, except that the connections between the cross brace 2 and the inclined brace 3 and between the inclined brace 3 and the channel steel 11 are bolt connections, the connections of the other section steels are all welded. And a polyethylene foam plate 9 with the thickness of 10mm is adhered to the contact surface between the channel steel 11 and the bottom sealing angle steel 12 and the wall plate a.

Specifically, in step S2, use lifting device to hang steel form 1 wholly to box culvert or in the well, utilize stull 2 and 3 adjusting position of bracing to make channel-section steel 11 press close to wallboard an ' S medial surface, then beat expansion bolts 5 fixed with stull 2 ' S both ends respectively at wallboard an and wallboard b ' S top surface, at stull 2 and 3 strip hole 7 departments of reserving of bracing, adopt bolt 6 to connect and fix, then steel form 1 and wallboard a medial surface form holding chamber 4.

Specifically, in the step S3, C30 underwater concrete is poured into the accommodating cavity 4 to form the concrete layer 8, and the top of the concrete layer 8 is flush with the steel plate 13.

Specifically, in step S5, the concrete in the hole c is chiseled, the expansion bolts 5 and 6 are loosened, the steel form 1 is vibrated, and the steel form 1 is lifted together with the concrete, thereby completing the hole-opening pipe-burying operation.

Simultaneously, the embodiment still provides a steel form that is used for concrete box culvert and inspection shaft wallboard trompil under not stopping production, and its structure is shown in fig. 2 ~ 4, including steel form 1 and fix at the stull 2 on steel form 1 upper portion and fix bracing 3 in steel form 1 lower part, steel form 1 hugs closely in the inboard surface of planned trompil hole c department wallboard a, forms holding chamber 4, the stull 2 passes through expansion bolts 5 to be fixed at wallboard a and the top of wallboard b relative with wallboard a, the one end and the channel-section steel 11 of bracing 3 adopt bolt 6 swing joint, the other end of bracing 3 extends wallboard b's top to pass through bar hole 7 bolted connection with stull 2, still be equipped with concrete placement layer 8 in the holding chamber 4.

The concrete structure of the steel form for the concrete box culvert and the inspection well for the opening of the wall plate without stopping production in the embodiment is described in detail in the corresponding wall plate opening method, and is not described again here.

In summary, the method for perforating the wallboard of the concrete box culvert and the inspection well under the condition of non-stop production can perform perforating and pipe burying under the normal operation condition of a sewage treatment facility, specifically, a steel template is arranged on the inner side surface of the wallboard at the position of a planned perforated hole, the steel template is fixed by using a cross brace and an inclined brace, then concrete is poured in an accommodating cavity formed by the steel template and the wallboard, the outer side surface of the wallboard can perform perforating, repairing, reinforcing and other operations after the concrete reaches the strength, the whole process does not need to stop the operation of the facility, compared with the existing perforating method, the continuous operation of the sewage treatment facility can greatly reduce pollution and adverse effects on the environment, the construction process of the method is simple, and the waste concrete can be removed together after the construction is completed without causing future troubles.

The parts not described in the specification are prior art or common general knowledge. The present embodiments are illustrative only and not intended to limit the scope of the present invention, and modifications and equivalents thereof by those skilled in the art are considered to fall within the scope of the present invention as set forth in the claims.