阅读说明：本技术 一种底模结构及楼板浇筑施工方法 (Bottom die structure and floor slab pouring construction method ) 是由 何洪 陈韬 周磊 张瑜 季泽华 黄航斌 郝寅森 王晓明 洪小龙 于 2021-09-28 设计创作，主要内容包括：本发明涉及一种底模结构及楼板浇筑施工方法,属于建筑施工领域,其中,底模结构包括支撑梁及设于支撑梁一侧的支撑组件,支撑梁具有上翼缘,支撑组件具有高度可调的支撑端,底模铺设于支撑端上并位于上翼缘下方,在上翼缘上铺设第一钢筋组,并在底模上铺设第二钢筋组,第一钢筋组和第二钢筋组的捆扎厚度相同,以使底模和上翼缘对应的浇筑高度形成落差。本发明提供的底模结构,有利于满足不同高低落差的楼板浇筑需求,同时,有利于进行楼板支撑体系的安装和拆除工作,提升工作效率。(The invention relates to a bottom die structure and a floor slab pouring construction method, and belongs to the field of building construction. The bottom die structure provided by the invention is beneficial to meeting the floor slab pouring requirements of different heights and different falls, and meanwhile, is beneficial to the installation and removal work of a floor slab supporting system, and improves the working efficiency.)

1. A bottom die structure is characterized by comprising:

the support beam (1) is provided with an upper flange (101) and a lower flange (102), and a pouring floor slab is suitable for being supported above the upper flange (101);

the supporting component is arranged on one side of the supporting beam (1) and is provided with a supporting end with adjustable height;

the bottom die (2) is laid on the supporting end and is positioned below the upper flange (101);

the first steel bar group (3) is laid on the pouring floor slab;

second reinforcing bar group (4), lay in on die block (2), first reinforcing bar group (3) with the thickness of tying up of second reinforcing bar group (4) is the same, so that die block (2) with the high drop that forms of pouring that top flange (101) correspond.

2. The bottom die structure according to claim 1, wherein a plurality of support rods (5) are arranged at intervals on the supporting end, and the bottom die (2) is arranged on the support rods (5).

3. The bottom die structure according to claim 2, wherein the support rod (5) comprises a support body (303) and a sleeve rod (304) movably sleeved in the support body (303), and the sleeve rod (304) is respectively arranged at two ends of the support body (303).

4. The bottom die structure of claim 1, wherein the support assembly comprises: first support column (201) and second support column (202), the lower extreme of first support column (201) is supported on the lower flange (102) of a supporting beam, the upper end of second support column (202) is supported on die block (2), first support column (201) with second support column (202) carry out axial relative movement through the drive, thereby it is right the height of die block (2) is adjusted.

5. The bottom die structure according to claim 4, characterized in that the height adjustment between the first support column (201) and the second support column (202) is performed by means of screw structure engagement.

6. The bottom die structure of claim 5, wherein the support assembly further comprises: a connector (203), the connector (203) being respectively connected between the first support column (201) and the second support column (202) by a screw thread.

7. The bottom die structure according to claim 6, wherein a fastener (204) abutting on the top upper surface of the connecting member (203) is screwed on the second supporting column (202).

8. The bottom die structure according to claim 1, characterized in that a prefabricated connecting rod (301) for restraining the movement of the supporting rods (5) is fixedly connected between the supporting rods (5).

9. The bottom die structure according to claim 1, wherein the support rod (5) is provided with a plurality of support members (302) arranged at intervals along the length direction of the support rod (5).

10. A floor slab casting construction method, characterized in that the bottom formwork structure of any one of claims 1 to 9 is adopted, and the method comprises the following steps:

fixedly arranging a support assembly on a lower flange (102) of a support beam (1), and arranging a bottom die (2) on the support assembly;

adjusting the supporting assembly to enable the bottom die (2) to be located below the upper flange (101);

laying a first tied steel bar group (3) on an upper flange (101), laying a second tied steel bar group (4) on a bottom die (2), wherein the first tied steel bar group (3) and the second tied steel bar group (4) have the same tying thickness;

and (5) pouring.

Technical Field

The invention relates to the technical field of building engineering, in particular to a bottom die structure and a floor slab pouring construction method.

Background

The traditional floor construction process comprises the steps of firstly measuring and setting out, determining a floor construction plane, then setting up a support system comprising longitudinal cross rods, floor sweeping rods, diagonal braces and shear braces, setting up a template above the support system, then binding reinforcing steel bars, and pouring concrete. The overall dismantling process is complicated.

Therefore, in the prior art, the technical scheme that the steel beam is provided with the support rod, the template is erected on the support rod, and the traditional support system is replaced by the combination of the steel beam and the support rod so as to solve the problem that the traditional support system is complex in dismantling process.

However, with the above improved scheme, the elevation of the support system is still inconvenient to adjust, and when the floor requires adjustment according to actual conditions in the field, for example, when the floor on the bottom surface of a toilet is poured, the formwork supported by the support system is not easy to pour to form a floor structure with a height difference, which is not beneficial to the normal operation of construction work.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to overcome the defect that the elevation of a formwork support system is not convenient to adjust in the prior art, so that a bottom formwork structure and a method for floor slab casting construction by adopting the bottom formwork structure are provided.

In order to solve the above problems, the present invention provides a bottom mold structure, including:

the supporting beam is provided with an upper flange and a lower flange, and a pouring floor slab is suitable for being supported above the upper flange;

the supporting component is arranged on one side of the supporting beam and is provided with a supporting end with adjustable height;

the bottom die is laid on the supporting end and is positioned below the upper flange;

the first steel bar group is laid on the pouring floor slab;

and the second steel bar group is laid on the bottom die, and the bundling thicknesses of the first steel bar group and the second steel bar group are the same, so that the pouring heights corresponding to the bottom die and the upper flange form a fall.

Furthermore, a plurality of support rods arranged at intervals are laid on the supporting end, and the bottom die is arranged on the support rods.

Furthermore, the support rod comprises a support body and two sleeve rods movably sleeved in the support body, and the two sleeve rods are respectively arranged at two ends of the support body.

Further, the support assembly includes: first support column and second support column, the lower extreme of first support column supports on supporting beam's the lower limb, the upper end of second support column supports on the die block, first support column with the second support column carries out axial relative movement through the drive, thereby it is right the height of die block is adjusted.

Further, the height of the first supporting column is adjusted through the matching of the threaded structures with the second supporting column.

Further, the support assembly further comprises: and the connecting piece is connected between the first supporting column and the second supporting column through threads respectively.

Furthermore, a fastener tightly abutted against the upper surface of the top of the connecting piece is screwed on the second supporting column.

Furthermore, a prefabricated connecting rod for restraining the movement of the supporting rods is fixedly connected between the supporting rods.

Furthermore, a plurality of supporting pieces are arranged on the supporting rod at intervals along the length direction of the supporting rod.

The invention also provides a floor slab pouring construction method, which adopts the bottom die structure and comprises the following steps:

fixedly arranging a support assembly on a lower flange of the support beam, and arranging a bottom die on the support assembly;

adjusting the support assembly to enable the bottom die to be located below the upper flange;

laying a first tied steel bar group on an upper flange, laying a second tied steel bar group on a bottom die, wherein the first tied steel bar group and the second tied steel bar group have the same tying thickness;

and (5) pouring.

The technical scheme of the invention has the following advantages:

1. according to the bottom die structure provided by the invention, as the supporting assembly is arranged on the supporting beam, the height of the supporting end of the supporting assembly is adjustable, and the bottom die is laid on the supporting end to adjust the height of the bottom die, so that floors with different heights can be poured, the bottom die structure replaces the traditional large-scale upright post for supporting, the assembly and disassembly work for multiple times for adapting to the requirements of different pouring heights is also avoided, and the labor and time cost are saved;

in addition, the binding height of the first steel bar group is the same as that of the second steel bar group, and when pouring is carried out, the pouring height of the steel bar groups is the same, so that the height of a floor to be poured and the height of a poured floor form a fall, the floor with the height fall is favorable for avoiding outflow of accumulated water in use environments such as a toilet and the like, and ideal construction effect is favorable for formation.

2. According to the bottom die structure provided by the invention, the support rod is arranged between the bottom die and the support end, and comprises the support body and the sleeve rod which is movably sleeved in the support body, so that when the actual casting span is too long, the sleeve rod can slide out of the support body to be fixed, the length adjustment of the support rod is realized, the use of large-size support materials is favorably saved, the adaptation to different span requirements is favorably realized, and the normal running of the casting work is ensured.

3. According to the bottom die structure provided by the invention, the first support column is connected with the connecting piece, the upper end of the connecting piece is connected with the second support column which is coaxially arranged with the first support column, and the first support column and the second support column are movably arranged up and down in the connecting piece.

4. According to the bottom die structure provided by the invention, the fastening piece which is tightly abutted to the upper surface of the top of the connecting piece is arranged on the second supporting column, so that the connecting effect of the second supporting column and the connecting piece can be further enhanced by the fastening piece, and the supporting strength of the second supporting column is improved.

5. According to the bottom die structure provided by the invention, the anti-shearing piece is fixedly connected between the bottom die and the supporting beam, so that the anti-shearing acting force of the bottom die template in the pouring process can be enhanced, the floor slab poured on the bottom die is prevented from deforming, and the normal construction effect is ensured.

6. According to the bottom die structure provided by the invention, the support piece is arranged on the support rod, and the abutting surface of the support piece corresponding to the bottom die is a plane, so that the support effect on the bottom die can be further improved, and the influence of the deviation and deformation of the bottom die on the normal pouring process can be prevented.

7. The floor slab pouring construction method provided by the invention has all the advantages of the bottom die structure due to the adoption of any one of the bottom die structures.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural view of a bottom mold structure according to an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic structural diagram of the support assembly according to the embodiment of the present invention.

Description of reference numerals:

1. a support beam; 2. bottom die; 3. a first set of rebars; 4. a second set of rebars; 5. a support rod;

101. an upper flange; 102. a lower flange;

201. a first support column; 202. a second support column; 203. a connecting member; 204. a fastener; 205. a shear resistant member;

301. prefabricating a connecting rod; 302. a support member; 303. a support body; 304. a loop bar; 305. and (5) prefabricating bolt holes.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Example 1

The embodiment relates to a bottom die structure for pouring a floor slab needing to form height drop.

The bottom die structure comprises a supporting beam 1 and a supporting assembly arranged on one side of the supporting beam 1, wherein the bottom die 2 is erected on the supporting assembly, a first steel bar group 3 is laid on the supporting beam 1, a second steel bar group 4 is laid on the bottom die 2, the bundling thickness of the first steel bar group 3 is the same as that of the second steel bar group 4, and accordingly the pouring height corresponding to the bottom die 2 and the upper flange 101 forms a fall.

The specific structure is as shown in fig. 1 and fig. 2, the supporting beam 1 may be an i-beam manufactured by a mature process, and has an upper flange 101 at the upper side and a lower flange 102 at the bottom side, the supporting assemblies are fixedly connected to the lower flange 102 of the supporting beam 1 through bolts, here, the supporting beams 1 are arranged oppositely, and the supporting assemblies are respectively arranged at the positions of the lower flanges 102 corresponding to the inner side surfaces of the supporting beams 1, so as to set up the bottom mold 2. Alternatively, the brace assembly and the lower flange 102 may be secured by spot welding.

In this embodiment, the supporting component has a supporting end with adjustable height, as an implementation manner, as shown in fig. 3, the supporting component includes a first supporting column 201 fixedly installed on the lower flange 102, and a connecting member 203 connected to an upper end of the first supporting column 201, an upper end of the connecting member 203 is connected to a second supporting column 202 coaxially arranged with the first supporting column 201, a part of the first supporting column 201 and a part of the second supporting column 202 are located in the connecting member 203, and the first supporting column 201 and the second supporting column 202 are movably arranged up and down in the connecting member 203.

As an alternative embodiment, the first supporting column 201 and the second supporting column 202 have the same size and are both cylindrical with screw threads, the upper end and the lower end of the connecting member 203 are respectively provided with screw holes, the interior of the connecting member is hollowed out for easy observation, the first mounting column and the second mounting column are respectively screwed with the upper end and the lower end of the connecting member 203, and the top end of the second supporting column 202 serves as the supporting end of the supporting component. When the height needs to be adjusted, the first support column 201 or the second support column 202 is adjusted to move up and down relative to the connecting piece 203.

In addition, the second supporting column 202 is screwed with a fastening piece 204 which is tightly abutted against the top surface of the connecting piece 203, and the second supporting column 202 has higher pressure intensity by upper components such as the bottom die 2, and the like, so the arranged fastening piece 204 can further enhance the screwing and stabilizing effect of the second supporting column 202 on the connecting piece 203, and the second supporting column 202 is prevented from sliding relative to the connecting piece 203 to generate a 'slide buckle' phenomenon. Of course, the first support column 201 may be screwed with a fastener 204, and the fastener 204 abuts against the lower surface of the bottom end of the connecting member 203 to prevent the first support column 201 from sliding relative to the connecting member 203.

As another alternative, the support assembly may be only screwed by the first support column 201 and the connecting member 203, and the upper end surface of the connecting member 203 serves as the support end of the support assembly; correspondingly, the fastening member 204 is disposed on the first mounting post and abuts against the lower end surface of the connecting member 203.

In this embodiment, as shown in fig. 1 and fig. 2, a plurality of support rods 5 are laid on the support end of the support assembly, and the span of the support rods 5 is adjustable. Specifically, the supporting rod 5 includes a supporting body 303 and two movable sleeve rods 304 sleeved in the supporting body 303, and the two sleeve rods 304 are respectively disposed at two ends of the supporting body 303. Here, a plurality of prefabricated bolt holes 305 are respectively arranged on the sleeve rod 304 and the bracket 303, the prefabricated bolt holes 305 are arranged at intervals along the length direction of the bracket 5, when the sleeve length of the sleeve rod 304 in the bracket 303 is adjusted, the prefabricated bolt holes 305 on the sleeve rod 304 are moved to the positions of the prefabricated bolt holes 305 coaxial with the bracket 303, and are fixedly connected with the bolt pieces of the sleeve rod 304 and the bracket 303 through common penetration, so that the sleeve rod 304 and the bracket 303 are fastened. With the span adjustable setting of die-pin 5, when actually pouring the span overlength, can fix with loop bar 304 roll-off support body 303, realize the length adjustment of die-pin 5 to be favorable to saving the use of jumbo size supporting material, and be favorable to the different span demands of adaptation, guarantee to pour the normal clear of work.

The support rods 5 are arranged along the length direction of the support beam 1, and a prefabricated connecting rod 301 is fixedly connected between the support rods 5 for restraining the support rods 5 from shifting or skewing. Further, the prefabricated connecting rod 301 is an angle steel, and one end surface of the angle steel is fixedly connected with each support rod 5 through a bolt penetrating through the support rod 5. Here, the prefabricated connecting pieces 203 are arranged on each supporting rod 5 at intervals so as to further enhance the limiting and restricting effect on each supporting rod 5. In addition to the perpendicular arrangement relative to the carrier bar 5 shown in the drawings, the prefabricated connecting element 203 may alternatively be fixed at an angle relative to the carrier bar 5.

In this embodiment, a plurality of supporting members 302 arranged at intervals along the length direction of the supporting rod 5 are further arranged on the supporting rod 5, a wood mold is preferably adopted as the supporting members 302, and the bottom mold 2 is erected on the wood mold, so that the abrasion between the bottom mold 2 and the supporting members 302 is reduced while the structural strength is ensured, the noise is reduced, and the normal construction work is ensured.

It should be noted that, in this embodiment, the support rod 5 and the support member 302 both adopt a square tubular shape, and the support member 302 and the support rod 5 of the steel pipe pile are more favorable for forming a support state for the bottom mold 2, reducing the shaking and the offset of the bottom mold 2, and being favorable for maintaining a stable casting state. In addition, a shear member 205 is further fixedly connected between the support beam 1 and the upper flange 101 to improve the shear strength of the bottom die structure.

The bottom die structure in the embodiment is characterized in that the supporting assembly is arranged on the supporting beam 1, the supporting end of the supporting assembly is adjustable in height, and the bottom die 2 is laid on the supporting end and then can be adjusted in height of the bottom die 2, so that the bottom die structure is favorable for pouring floors with different heights, replaces the traditional large-scale stand column for supporting, avoids assembling and disassembling for multiple times, and saves labor and time cost.

In addition, the first steel bar group 3 and the second steel bar group 4 are the same in binding thickness, when pouring is carried out, due to the fact that the steel bar groups need to be the same in pouring thickness, the height of the upper flange of the bottom die 2 and the upper flange of the supporting beam 1 is different, so that the height of a floor to be poured forms a difference, the floor with the height difference is beneficial to avoiding outflow of accumulated water in use environments such as a toilet and the like, and a good construction effect is formed.

Example 2

The embodiment relates to a floor slab pouring construction method, which adopts a bottom die structure as described in embodiment 1 and specifically comprises the following steps:

fixedly arranging a support assembly on a lower flange 102 of a support beam 1, and arranging a bottom die 2 on the support assembly;

adjusting the supporting assembly to enable the bottom die 2 to be located below the upper flange 101;

laying a first tied steel bar group 3 on an upper flange 101, laying a second tied steel bar group 4 on a bottom die 2, wherein the first tied steel bar group 3 and the second tied steel bar group 4 have the same tying thickness;

and (5) pouring.

It should be noted that the sequence of the above construction steps is not absolutely limited; due to the construction requirement on the casting thickness in the construction process, the bundling thickness of the first steel bar group 3 and the second steel bar group 4 is the same in the embodiment, so that the height drop of the casting floor slabs corresponding to the support beam 1 and the bottom die 2 is formed under the condition that the casting thicknesses of the actual construction casting layers are consistent.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.