CN209874476U - Non-dismantling side baffle structure of beam post-cast strip - Google Patents

Non-dismantling side baffle structure of beam post-cast strip Download PDF

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Publication number
CN209874476U
CN209874476U CN201920623715.0U CN201920623715U CN209874476U CN 209874476 U CN209874476 U CN 209874476U CN 201920623715 U CN201920623715 U CN 201920623715U CN 209874476 U CN209874476 U CN 209874476U
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reinforcing bar
steel
post
cast strip
net piece
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CN201920623715.0U
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孟锦根
朱榆萍
张鹏飞
韩家军
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Sichuan Vocational and Technical College Communications
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Sichuan Vocational and Technical College Communications
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Abstract

The utility model discloses an exempt from to tear open side and keep off structure of watering area behind roof beam, including reinforcing bar net piece and wire net, the reinforcing bar net piece is through pricking a plurality of bottom reinforcing bars and the upper portion steel bar connection of silk and roof beam, and bottom reinforcing bar and upper portion reinforcing bar are perpendicular with the reinforcing bar net piece, and reinforcing bar net piece inboard is passed through prick the silk and be fixed with the wire net, and the reinforcing bar net piece includes a plurality of longitudinal reinforcement and the horizontal reinforcing bar that the interval set up, and the equal mutually perpendicular of longitudinal reinforcement and horizontal reinforcing bar is provided with a plurality of rubbles between bottom reinforcing bar and the upper portion reinforcing bar in the post-cast strip, and the rubble upper berth is to the. The utility model discloses simple structure, it is convenient to set up, need not to demolish the side fender structure before pouring after, has effectively solved the side fender structure side and has supported that the department easily leaks thick liquid, construction joint department easily falls the sediment and falls thick liquid and pour after need clear up the problem that the chisel hair is wasted time and energy.

Description

Non-dismantling side baffle structure of beam post-cast strip
Technical Field
The utility model belongs to the technical field of the building engineering construction, concretely relates to exempt from to tear open side fender structure of post-cast strip of roof beam.
Background
The post-cast strip is prepared from concrete which is preset in structures such as beams, plates (including foundation slabs) and walls and has a certain width and is poured after a certain period of time in order to adapt to the influences of factors such as environmental temperature change, concrete shrinkage and uneven settlement of the structure. The post-cast strip is divided into a temperature post-cast strip, a telescopic post-cast strip, a sedimentation post-cast strip and the like. The post-cast strip spans the beam vertical to the post-cast strip, the beam steel bars are bound, and the beam at the post-cast strip cannot be cast with concrete in advance, so that a side blocking structure is required to be arranged at the beam break at the post-cast strip to block the cast-in-advance concrete. Because the girder section is narrow and the reinforcing bar is intensive, should not adopt traditional wooden form to prop up and keep off, often adopt wire net and vertical reinforcing bar or adopt fast easy binding off net to prop up and keep off, nevertheless the concrete of pouring in advance leaks thick liquid at collateral branch fender department easily. After the concrete is poured firstly, the concrete at the construction joint is easy to slag and slurry in a period of time before the concrete is poured later, and when the concrete is poured later, the concrete at the construction joint needs to be cleaned, floated and loosened and roughened firstly, so that the concrete is combined closely in sequence, but the mode is time-consuming and labor-consuming.
SUMMERY OF THE UTILITY MODEL
To the above, the utility model provides an exempt from to tear open side fender structure of watering area behind roof beam, simple structure, it is convenient to set up, need not to demolish the side fender structure before pouring after, has effectively solved the easy thick liquid that leaks of side fender structure side fender department, the easy sediment that falls of construction joint department falls thick liquid and need clear up the problem that the chisel hair is wasted time and energy before pouring after and.
In order to achieve the above object, the present invention provides a technical solution for solving the technical problem: the utility model provides a exempt from to tear open side and keep off structure in post-cast strip of roof beam, including reinforcing bar net piece and wire net, the reinforcing bar net piece is through pricking a plurality of bottom reinforcing bars and the upper portion steel bar connection of silk and roof beam, and bottom reinforcing bar and upper portion reinforcing bar are perpendicular with the reinforcing bar net piece, and the reinforcing bar net piece inboard is passed through prick the silk and be fixed with the wire net, and the reinforcing bar net piece is including a plurality of longitudinal reinforcement and the horizontal reinforcing bar that the interval set up, and the equal mutually perpendicular of longitudinal reinforcement and horizontal reinforcing bar is provided with a plurality of rubbles between bottom reinforcing bar and the upper portion reinforcing bar in the post-cast strip, and the.
Furthermore, the crossing points of the longitudinal steel bars and the transverse steel bars are fixed or welded through binding wires.
Further, the reinforcing bar net piece width equals with the roof beam width, and the height equals with the net height between bottom reinforcing bar and the upper portion reinforcing bar.
Further, the steel wire net is made of a plurality of steel wires with the diameter not larger than 1mm, and the diameter of the meshes is 15-30 mm.
Furthermore, the particle size of the broken stone is larger than the diameter of meshes of the steel wire mesh and is 20-40 mm.
Further, reinforcing bar net piece and wire net all set up in the roof beam template.
The utility model has the advantages that:
1. when the side retaining structure is arranged, two reinforcing mesh sheets are prefabricated through longitudinal reinforcing steel bars and transverse reinforcing steel bars, a steel wire mesh is bound on the reinforcing mesh sheets through binding wires, then a beam template is installed, a layer of broken stone is laid at a post-cast strip, bottom reinforcing steel bars and upper reinforcing steel bars are bound on the broken stone, the prefabricated reinforcing mesh sheets are respectively installed at construction joints of the post-cast strip from the side faces and are fixed with the bottom reinforcing steel bars and the upper reinforcing steel bars through the binding wires, then the broken stone is fully paved between the bottom reinforcing steel bars and the upper reinforcing steel bars to the top of a beam, an antifouling cover plate is fixed above the broken stone through the binding wires, watering is carried out to moisten the construction joints and shade drying, one side of the pre-cast concrete is cast, when the post-cast concrete is poured, moist broken stone is watered and shade dried, concrete with the same proportion is used for casting on the broken.
2. The side baffle structure adopted by the utility model has the advantages that the reinforcing mesh is connected with the beam reinforcing steel bars through the binding wires and is supported by the broken stones, and no other supporting structure is needed for supporting, so that the construction procedures are reduced, and manpower and material resources are saved; the side baffles are not required to be removed in the pouring process, the side baffle structures are left in the beams to play a certain supporting role, and the later template removal is reduced; meanwhile, when the concrete is poured in advance, part of mortar still enters the gravel gap of the side retaining structure, the side retaining structure is similar to pre-filled concrete, part of gravel can be wrapped by the mortar, and part of gravel is not wrapped, so that the formed interface of the pre-poured concrete is uneven, the post-poured concrete and the pre-poured concrete are combined favorably, the combination is tighter, and the side retaining structure is not easy to leak the mortar in the construction process.
3. Still be provided with antifouling apron above the roof beam, the difficult sediment that falls of construction joint department falls thick liquid, prevents the pollution in post-cast strip to reduce the clearance and the chisel hair in later stage, avoid unnecessary construction process and labour's waste, labour saving and time saving improves the efficiency of construction.
4. Through tying wire or welded fastening vertical reinforcing bar and horizontal reinforcing bar intersect for the structure of reinforcing bar net piece is more stable firm, improves its stability, guarantees, can keep out the extrusion of rubble to the wire net when the post-cast strip is filled with the rubble, supports wire net non-deformable. Meanwhile, the particle size of the crushed stone is larger than the diameter of the mesh, so that the crushed stone is prevented from entering the other side of the reinforcing mesh through the mesh, the construction quality of the beam is prevented from being affected, and the crushed stone is prevented from being cleaned in later construction, and is time-consuming and labor-consuming.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic cross-sectional view taken along line A-A;
FIG. 3 is a schematic view of a rebar mesh;
wherein, 1, reinforcing steel bar net sheets; 2. steel wire mesh; 3. crushing stone; 4. an antifouling cover plate; 5. bottom reinforcing steel bars; 6. an upper reinforcing bar; 7. longitudinal reinforcing steel bars; 8. and transverse reinforcing steel bars.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
The utility model discloses an in the embodiment, as shown in fig. 1-3, provide an exempt from to tear open side fender structure of post-cast strip of roof beam, including reinforcing bar net piece 1 and wire net 2, reinforcing bar net piece 1 is connected with a plurality of bottom reinforcing bars 5 and the upper portion reinforcing bar 6 of roof beam through pricking the silk, and bottom reinforcing bar 5 and upper portion reinforcing bar 6 are perpendicular with reinforcing bar net piece 1, and reinforcing bar net piece 1 inboard is passed through prick the silk and be fixed with wire net 2, and wire net 2 mesh diameter is 15 ~ 30mm, and reinforcing bar net piece 1 is including a plurality of longitudinal reinforcement 7 and the horizontal reinforcing bar 8 that the interval set up, and longitudinal reinforcement 7 and the equal mutually perpendicular of horizontal reinforcing bar 8 are provided with a plurality of particle diameters between bottom reinforcing bar 5 in the post-cast strip and upper portion reinforcing bar 6 and are 20 ~ 40mm rubble 3, and 3 upper berths of rubble. When a side retaining structure is arranged, two steel bar net pieces 1 are prefabricated through longitudinal steel bars 7 and transverse steel bars 8, a steel wire mesh 2 is bound on the steel bar net pieces 1 through binding wires, then a beam formwork is installed, a layer of broken stone 3 is laid at a post-cast strip, bottom steel bars 5 and upper steel bars 6 are bound on the broken stone 3, the prefabricated steel bar net pieces 1 are installed at a post-cast strip construction joint from the side face respectively and are fixed with the beam steel bars through the binding wires, then broken stones 3 are fully paved between the bottom steel bars 5 and the upper steel bars 6 to the top of a beam, an antifouling cover plate 4 is fixed above the broken stones 3 through the binding wires, a wet construction joint is watered and dried in the shade before pouring, one side of the pre-cast concrete is poured, when the post-cast concrete is poured, the wet broken stone 3 is watered and dried in the shade, concrete with the same proportion is poured on the broken stones 3, gaps are filled with the broken stones. The utility model adopts the side baffle structure, the reinforcing mesh sheet 1 is connected with the bottom reinforcing steel bar 5 and the upper reinforcing steel bar 6 through the binding wires, and is supported by the broken stone 3, so that the supporting structure is not needed to be adopted, the construction process is reduced, and the manpower and material resources are saved; the side baffles are not required to be removed in the pouring process, the side baffle structures are left in the beams to play a certain supporting role, and the later template removal is reduced; simultaneously when pouring the concrete earlier, this side keeps off the structure still has during some mortar gets into rubble 3 gaps, similar prefilled concrete, some rubble 3 can be wrapped up by the mortar, some rubble 3 does not wrap up, so the concrete interface of pouring earlier of formation is unsmooth, be favorable to the combination of post-cast concrete and the concrete of pouring earlier, it is inseparabler to combine, the difficult hourglass thick liquid of collateral branch fender department in the work progress, and be provided with antifouling apron 4, the difficult sediment that falls of construction joint department falls the thick liquid, prevent the pollution of post-cast strip, thereby reduce the clearance and the chisel hair in later stage, avoid unnecessary construction process and labour's waste, time saving and labor saving, and the construction efficiency is improved.
The longitudinal steel bars 7 and the transverse steel bars 8 cross points are fixed or welded through binding wires, and the longitudinal steel bars 7 and the transverse steel bars 8 cross points are fixed through binding wires or welding, so that the structure of the steel bar net piece 1 is more stable and firm, the stability of the steel bar net piece is improved, the extrusion of the broken stones 3 to the steel wire net 2 can be resisted when the rear pouring belt is filled with the broken stones 3, and the steel wire net 2 is supported and is not easy to deform. Reinforcing bar net piece 1 width equals with the roof beam width, and the net height between height and bottom reinforcing bar 5 and the upper portion reinforcing bar 6 equals, and width and height and beam structure phase-match can guarantee to block the rubble with wire net 2 combined action when filling rubble 3, prevent that it from collateral branch fender or construction joint department from passing through. Wire net 2 is made through a plurality of diameters steel wires that are not more than 1mm, and 3 particle diameters of rubble are greater than 2 mesh diameters of wire net, and 3 particle diameters of rubble are greater than the mesh diameter, avoid 3 opposite sides that get into reinforcing bar net piece 1 through the mesh of rubble, influence roof beam construction quality, avoid clearing up when later stage construction, waste time and energy. Reinforcing bar net piece 1 and wire net 2 all set up in the roof beam template, carry out the structure in the template and build and construct, can prevent that the post-cast strip from being polluted, improve roof beam construction quality.
When the side retaining structure is used, when the side retaining structure is arranged, two reinforcing mesh sheets 1 are prefabricated through longitudinal reinforcing steel bars 7 and transverse reinforcing steel bars 8, a steel wire mesh 2 is bound on the reinforcing mesh sheets 1 through binding wires, then a beam template is installed, a layer of broken stone 3 is laid at a post-cast strip, the height of the broken stone 3 is consistent with that of a beam protective layer, a bottom reinforcing steel bar 5 and an upper reinforcing steel bar 6 are bound on the broken stone 3, the prefabricated reinforcing mesh sheets 1 are installed at a post-cast strip construction joint from the side respectively and are fixed with the bottom reinforcing steel bar 5 and the upper reinforcing steel bar 6 through the binding wires, then the broken stone 3 is fully paved between the bottom reinforcing steel bar 5 and the upper reinforcing steel bar 6 to a beam top, an antifouling cover plate 4 is fixed above the broken stone 3 through the binding wires, a wet construction joint is watered and dried in the shade before casting, one side of concrete is cast, when the concrete is cast at the time of post-cast, the wet broken stone 3 is watered and dried in the, and finishing construction. The utility model discloses simple structure, it is convenient to set up, need not to demolish the side fender structure before pouring after, has effectively solved the side fender structure side and has supported that the department easily leaks thick liquid, construction joint department easily falls the sediment and falls thick liquid and pour after need clear up the problem that the chisel hair is wasted time and energy.
While the present invention has been described in detail and with reference to the accompanying drawings, it is not to be considered as limited to the scope of the invention. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.

Claims (6)

1. The disassembly-free side baffle structure of the post-cast strip of the beam is characterized by comprising a steel bar net piece (1) and a steel wire mesh (2), wherein the steel bar net piece (1) is arranged at a construction joint between the post-cast strip and pre-cast concrete, the steel bar net piece (1) is connected with a plurality of bottom steel bars (5) and upper steel bars (6) of the beam through binding wires, the bottom steel bars (5) and the upper steel bars (6) are perpendicular to the steel bar net piece (1), the steel bar net piece (1) is internally fixed with the steel wire mesh (2) through the binding wires, the steel bar net piece (1) comprises a plurality of longitudinal steel bars (7) and transverse steel bars (8) which are arranged at intervals, the longitudinal steel bars (7) and the transverse steel bars (8) are all mutually perpendicular, and a plurality of broken stones (3) are arranged between the bottom steel bars (5) and the upper steel bars (6) in the post-cast strip, and the gravels (3) are paved on the beam top, and an antifouling cover plate (4) is arranged above the beam top through binding wires.
2. The disassembly-free side stop structure of the post-cast strip of the beam as claimed in claim 1, wherein the crossing point of the longitudinal steel bar (7) and the transverse steel bar (8) is fixed or welded by the binding wire.
3. The disassembly-free side stop structure of the post-cast strip of the beam as claimed in claim 1, wherein the width of the reinforcing mesh (1) is equal to the width of the beam, and the height is equal to the net height between the bottom reinforcing bar (5) and the upper reinforcing bar (6).
4. The disassembly-free side stop structure of the post-cast strip of the beam as claimed in claim 1, wherein the steel wire mesh (2) is made of a plurality of steel wires with the diameter not more than 1mm, and the mesh diameter is 15-30 mm.
5. The disassembly-free side stop structure of the post-cast strip of the beam as claimed in claim 1, wherein the particle size of the broken stones (3) is 20-40 mm larger than the mesh diameter of the steel wire mesh (2).
6. The disassembly-free side blocking structure of the post-cast strip of the beam as claimed in claim 1, wherein the steel mesh (1) and the steel wire mesh (2) are both arranged in the beam formwork.
CN201920623715.0U 2019-04-29 2019-04-29 Non-dismantling side baffle structure of beam post-cast strip Active CN209874476U (en)

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Application Number Priority Date Filing Date Title
CN201920623715.0U CN209874476U (en) 2019-04-29 2019-04-29 Non-dismantling side baffle structure of beam post-cast strip

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Application Number Priority Date Filing Date Title
CN201920623715.0U CN209874476U (en) 2019-04-29 2019-04-29 Non-dismantling side baffle structure of beam post-cast strip

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112359675A (en) * 2020-10-20 2021-02-12 河南省交通勘察设计有限公司 Pavement concrete expansion reinforcing belt and construction method thereof
CN112942823A (en) * 2021-01-27 2021-06-11 中国建筑第八工程局有限公司 Fixing structure and fixing method of construction joint steel wire mesh template

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112359675A (en) * 2020-10-20 2021-02-12 河南省交通勘察设计有限公司 Pavement concrete expansion reinforcing belt and construction method thereof
CN112942823A (en) * 2021-01-27 2021-06-11 中国建筑第八工程局有限公司 Fixing structure and fixing method of construction joint steel wire mesh template

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