CN116575696B - Reverse construction method post-pouring belt prefabricated horizontal supporting structure and construction method - Google Patents
Reverse construction method post-pouring belt prefabricated horizontal supporting structure and construction method Download PDFInfo
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- CN116575696B CN116575696B CN202310847955.XA CN202310847955A CN116575696B CN 116575696 B CN116575696 B CN 116575696B CN 202310847955 A CN202310847955 A CN 202310847955A CN 116575696 B CN116575696 B CN 116575696B
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- steel plate
- post
- construction method
- folding side
- side mold
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- 238000010276 construction Methods 0.000 title claims abstract description 43
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 74
- 239000010959 steel Substances 0.000 claims abstract description 74
- 230000003014 reinforcing effect Effects 0.000 claims description 21
- 238000007493 shaping process Methods 0.000 claims description 12
- 238000005266 casting Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 abstract description 4
- 238000009415 formwork Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G15/00—Forms or shutterings for making openings, cavities, slits, or channels
- E04G15/06—Forms or shutterings for making openings, cavities, slits, or channels for cavities or channels in walls of floors, e.g. for making chimneys
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention relates to a reverse construction method post-pouring belt prefabricated horizontal supporting structure and a construction method. The invention can ensure the continuous horizontal rigidity of the floor slab and meet the stress requirement of the reverse construction method on the floor slab; the whole prefabricated member meets the low-carbon green requirement; the detachable folding side mold is reused, the cycle times are high, and the environment-friendly requirement is met; the construction of the post-cast strip does not need to support a formwork to erect a steel pipe, thereby saving measure cost, greatly simplifying construction and meeting energy-saving requirements.
Description
Technical Field
The invention relates to the technical field of reverse construction method construction in constructional engineering, in particular to a reverse construction method post-cast strip prefabricated horizontal support structure and a construction method.
Background
In the field of house construction, the basement reverse construction method has the characteristics of high rigidity and small deformation of the floor slab, can reduce the deformation of the foundation pit, furthest reduces the negative influence of the foundation pit construction on the surrounding environment, and is increasingly applied. However, the post-cast strip is reserved on the floor, the steel support is arranged between the beams, namely under the plates, the steel support between the beams is removed after the construction of the post-cast strip is completed, and the operation mode is complex in working procedures on one hand and difficult in supporting the die of the post-cast strip due to the existence of the under-plates.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides a reverse construction method post-cast strip prefabricated horizontal support structure and a construction method.
The invention adopts the following technical scheme to realize the aim:
the utility model provides a prefabricated horizontal bearing structure of reverse construction method post-cast strip, includes the steel sheet that props down, and lower steel sheet upper surface is equipped with a plurality of parallel arrangement's enhancement backup pad perpendicularly, and enhancement backup pad top is equipped with perpendicularly and props the steel sheet area, goes up and props the steel sheet area, strengthens the backup pad and forms T shape structure, and the folding side form subassembly of dismantling is installed at both ends between the enhancement backup pad, and the folding side form subassembly of dismantling is connected by a plurality of folding side form and is constituteed, and two adjacent dismantlement folding side forms pass through connecting bolt and are connected with corresponding enhancement backup pad.
Can dismantle folding side form includes two design side form boards, and it is articulated through the hinge to pass through between two design side form boards, and design side form board lateral surface upper end is equipped with the slot, and upward prop the steel sheet area and peg graft in the slot, and design side form board openly lower extreme is equipped with the side form connecting plate perpendicularly, and the laminating of side form connecting plate is contradicted on corresponding reinforcing support plate lateral wall, has seted up the connecting hole on the side form connecting plate, has correspondingly seted up the through-hole in the reinforcing support plate, and connecting bolt sets up in connecting hole, through-hole and will dismantle folding side form and reinforcing support plate link together.
Lower end steel plate belts are vertically arranged at two ends of the bottom of the lower supporting steel plate, and are arranged in parallel with the detachable folding side dies.
The part of the outer side surface of the shaping side template, which is positioned above the slot, is arranged flush with the center line of the upper supporting steel plate belt.
The reinforcing support plate is welded with the lower supporting steel plate and the upper supporting steel plate.
The lower end steel plate belt is welded with the lower supporting steel plate.
A construction method for prefabricating a horizontal supporting structure by utilizing a reverse construction method post-pouring belt comprises the following specific steps:
s1, prefabricating a detachable folding side die with a required size in a factory;
s2, welding an upper supporting steel plate belt with the upper layer of steel bars of the floor slab, welding a lower supporting steel plate with the lower layer of steel bars of the floor slab, and connecting and installing the detachable folding side die with a corresponding reinforcing support plate through a connecting bolt;
s3, a bottom die of the floor slab concrete is supported by adopting a traditional template, concrete is poured, a detachable folding side die is used as a side die when the floor slab concrete is poured, a lower end steel plate belt is used as a lower side die when concrete is poured on two sides of a post-pouring belt, and concrete is poured;
s4, after the floor slab concrete on two sides reaches the dismantling condition, unscrewing the connecting bolts, folding and taking out the detachable folding side mould, and recycling the detachable folding side mould to the next layer of reverse construction post-pouring belt construction;
s5, when the post-cast strip is to be constructed, directly casting concrete by taking the lower support steel plate as a bottom die in casting;
and S6, plastering and corrosion preventing at the bottom of the lower supporting steel plate to enable the post-cast strip to be level with the concrete bottom elevations at the two sides.
The beneficial effects of the invention are as follows: the invention can ensure the continuous horizontal rigidity of the floor slab and meet the stress requirement of the reverse construction method on the floor slab; the whole prefabricated member meets the low-carbon green requirement; the detachable folding side mold is reused, the cycle times are high, and the environment-friendly requirement is met; the construction of the post-cast strip does not need to support a formwork to erect a steel pipe, thereby saving measure cost, greatly simplifying construction and meeting energy-saving requirements.
Drawings
FIG. 1 is a schematic illustration of a two-sided floor slab of the present invention after concreting;
FIG. 2 is a partial schematic view of a reverse construction post-cast strip support structure of the present invention;
FIG. 3 is a schematic view of a removable folding side form of the present invention;
in the figure: 1-a lower supporting steel plate; 2-reinforcing support plates; 3-supporting a steel plate belt; 4-detachable folding side dies; 5-connecting bolts; 6-a lower end steel plate belt; 7-upper layer steel bars of the floor slab; 8-floor slab lower layer reinforcing steel bars; 9-floor slab concrete;
401-shaping a side template; 402-slots; 403-side die connecting plates; 404-connecting holes;
the embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention. The invention is more particularly described by way of example in the following paragraphs with reference to the drawings. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the invention.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1 to 3, a prefabricated horizontal supporting structure of reverse construction method post-cast strip, including lower support steel sheet 1, lower support steel sheet 1 upper surface is equipped with a plurality of parallel arrangement's enhancement backup pad 2 perpendicularly, strengthen backup pad 2 top and be equipped with the steel sheet area 3 that props up perpendicularly, it forms the tee structure to prop up steel sheet area 3, strengthen backup pad 2, install the folding side form subassembly of dismantling between the backup pad 2 at both ends, the folding side form subassembly of dismantling is connected by a plurality of and is constituteed, two adjacent folding side forms 4 of dismantling are connected with corresponding enhancement backup pad 2 through connecting bolt 5.
The detachable folding side mold 4 comprises two shaping side mold plates 401, the two shaping side mold plates 401 are hinged through hinges, a slot 402 is formed in the upper end of the outer side face of the shaping side mold plate 401, an upper supporting steel plate belt 3 is inserted in the slot 402, a side mold connecting plate 403 is vertically arranged at the front lower end of the shaping side mold plate 401, the side mold connecting plate 403 is attached to and abutted against the side wall of the corresponding reinforcing support plate 2, a connecting hole 404 is formed in the side mold connecting plate 403, a through hole is correspondingly formed in the reinforcing support plate 2, and a connecting bolt 5 is arranged in the connecting hole 404 and the through hole and connects the detachable folding side mold 4 with the reinforcing support plate 2.
The two ends of the bottom of the lower supporting steel plate 1 are vertically provided with lower end steel plate belts 6, and the lower end steel plate belts 6 are arranged in parallel with the detachable folding side die 4.
The lower supporting steel plate 1, the reinforcing support plate 2, the upper supporting steel plate belt 3, the detachable folding side die 4, the connecting bolts 5 and the lower end steel plate belt 6 are all steel materials, so that the integral rigidity is ensured to meet the stress requirement. The lower supporting steel plate 1, the reinforced supporting plate 2 and the upper supporting steel plate belt 3 are main stress members for providing horizontal rigidity, and the connecting bolts 5 form the main stress members for providing horizontal rigidity and the detachable folding side die 4 into a whole.
The detachable folding side die 4 can realize cyclic utilization, has high turnover times and realizes the purpose of green low carbon.
The part of the outer side surface of the shaping side template 401 above the slot 402 is flush with the central line of the upper supporting steel plate strip 3.
The reinforcing support plate 2 is welded with the lower supporting steel plate 1 and the upper supporting steel plate belt 3.
The lower end steel plate strip 6 is welded with the lower support steel plate 1.
A construction method for prefabricating a horizontal supporting structure by utilizing a reverse construction method post-pouring belt comprises the following specific steps:
s1, prefabricating a detachable folding side die 4 with a required size in a factory;
s2, welding the upper supporting steel plate strip 3 with the upper layer steel bar 7 of the floor slab, welding the lower supporting steel plate 1 with the lower layer steel bar 8 of the floor slab, and connecting and installing the detachable folding side die 4 with the corresponding reinforcing support plate 2 through the connecting bolts 5;
s3, a bottom die of the floor slab concrete 9 is supported by adopting a traditional template, concrete is poured, the detachable folding side die 4 is used as a side die when the floor slab concrete 9 is poured, the lower end steel plate strip 6 is used as a lower side die when concrete on two sides of the post-pouring strip is poured, and the concrete is poured;
s4, after the floor slab concrete on two sides reaches the dismantling condition, unscrewing the connecting bolts 5, folding and taking out the detachable folding side die 4, and recycling the detachable folding side die to the next layer of reverse construction post-pouring strip construction; the detachable folding side die 4 is recycled, so that the environment-friendly requirement is met;
s5, when the post-cast strip is to be constructed, directly casting concrete by taking the lower support steel plate 1 as a bottom die in casting;
and S6, plastering and corrosion preventing at the bottom of the lower supporting steel plate 1 to enable the post-cast strip to be level with the concrete bottom elevations at the two sides.
The invention can ensure the continuous horizontal rigidity of the floor slab and meet the stress requirement of the reverse construction method on the floor slab; the whole prefabricated member meets the low-carbon green requirement; the detachable folding side die 4 is recycled, the cycle times are high, and the environment-friendly requirement is met; the construction of the post-cast strip does not need to support a formwork to erect a steel pipe, thereby saving measure cost, greatly simplifying construction and meeting energy-saving requirements.
While the invention has been described above with reference to the accompanying drawings, it will be apparent that the invention is not limited to the above embodiments, but is intended to cover various modifications, either made by the method concepts and technical solutions of the invention, or applied directly to other applications without modification, within the scope of the invention.
Claims (5)
1. The utility model provides a prefabricated horizontal bearing structure of reverse construction method post-cast strip, a serial communication port, including lower stay steel sheet (1), lower stay steel sheet (1) upper surface is equipped with a plurality of parallel arrangement's reinforcing support board (2) perpendicularly, reinforcing support board (2) top is equipped with perpendicularly and props steel sheet area (3), it forms T shape structure to prop steel sheet area (3), reinforcing support board (2), install the collapsible folding side form subassembly at both ends between reinforcing support board (2), collapsible folding side form subassembly is connected by a plurality of collapsible folding side form (4), adjacent two collapsible folding side form (4) are connected with corresponding reinforcing support board (2) through connecting bolt (5);
the detachable folding side mold (4) comprises two shaping side mold plates (401), the two shaping side mold plates (401) are hinged through a hinge, a slot (402) is formed in the upper end of the outer side face of each shaping side mold plate (401), an upper supporting steel plate belt (3) is inserted into the slot (402), a side mold connecting plate (403) is vertically arranged at the lower end of the front face of each shaping side mold plate (401), the side mold connecting plates (403) are attached and abutted to the side walls of the corresponding reinforcing support plates (2), connecting holes (404) are formed in the side mold connecting plates (403), through holes are correspondingly formed in the reinforcing support plates (2), and connecting bolts (5) are arranged in the connecting holes (404) and the through holes and connect the detachable folding side mold (4) with the reinforcing support plates (2);
lower end steel plate belts (6) are vertically arranged at two ends of the bottom of the lower supporting steel plate (1), and the lower end steel plate belts (6) are arranged in parallel with the detachable folding side dies (4).
2. The reverse construction post-cast strip prefabricated horizontal support structure according to claim 1, wherein the portion of the outer side surface of the shaping side template (401) above the slot (402) is arranged flush with the center line of the upper support steel strip (3).
3. A top-down post-cast strip prefabricated horizontal support structure according to claim 2, characterized in that the reinforcing support plate (2) is welded with the lower support steel plate (1) and the upper support steel plate strip (3).
4. A reverse construction post-cast strip prefabricated horizontal support structure according to claim 3, characterized in that the lower end steel strip (6) is welded to the lower support steel plate (1).
5. A construction method, which uses the reverse construction method post-pouring belt prefabricated horizontal supporting structure as claimed in any one of claims 1 to 4, and is characterized by comprising the following specific steps:
s1, prefabricating a detachable folding side die (4) with a required size in a factory;
s2, welding an upper supporting steel plate belt (3) with an upper layer steel bar (7) of a floor slab, welding a lower supporting steel plate (1) with a lower layer steel bar (8) of the floor slab, and connecting and installing a detachable folding side die (4) with a corresponding reinforcing support plate (2) through a connecting bolt (5);
s3, supporting a bottom die of the floor slab concrete (9) by adopting a traditional template, pouring concrete, taking the detachable folding side die (4) as a side die when pouring the floor slab concrete (9), taking a lower end steel plate strip (6) as a lower side die when pouring concrete on two sides of a post-pouring strip, and pouring concrete;
s4, after the floor slab concrete on two sides reaches the dismantling condition, unscrewing the connecting bolts (5), folding and taking out the detachable folding side mold (4), and recycling the detachable folding side mold to the next layer of reverse construction post-pouring belt construction;
s5, when the post-cast strip is to be constructed, directly casting concrete by taking the lower supporting steel plate (1) as a bottom die in casting;
and S6, plastering and corrosion preventing at the bottom of the lower supporting steel plate (1) to enable the post-cast strip to be level with the concrete bottom elevations at the two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310847955.XA CN116575696B (en) | 2023-07-12 | 2023-07-12 | Reverse construction method post-pouring belt prefabricated horizontal supporting structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310847955.XA CN116575696B (en) | 2023-07-12 | 2023-07-12 | Reverse construction method post-pouring belt prefabricated horizontal supporting structure and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116575696A CN116575696A (en) | 2023-08-11 |
| CN116575696B true CN116575696B (en) | 2023-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310847955.XA Active CN116575696B (en) | 2023-07-12 | 2023-07-12 | Reverse construction method post-pouring belt prefabricated horizontal supporting structure and construction method |
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| Country | Link |
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| CN (1) | CN116575696B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444283A (en) * | 2011-12-22 | 2012-05-09 | 中建二局大连建筑工程有限公司 | Lateral bracing structure of building formwork |
| CN108708485A (en) * | 2018-05-19 | 2018-10-26 | 高建芳 | A kind of mounting structure of precast concrete assembled wallboard |
| CN109594663A (en) * | 2018-12-29 | 2019-04-09 | 云南省建设投资控股集团有限公司 | Armored concrete for post-cast strip position induces band structure and its construction method |
| CN110359586A (en) * | 2019-07-25 | 2019-10-22 | 华神建设集团有限公司 | Late poured band structure and construction method |
| CN111173249A (en) * | 2020-01-10 | 2020-05-19 | 上海二十冶建设有限公司 | Overhanging support system attached to rectangular beam and column |
| CN212317482U (en) * | 2019-12-31 | 2021-01-08 | 淙创(上海)企业管理咨询中心 | Forming die for cast-in-situ cover plate of deformation joint |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111519665A (en) * | 2020-05-06 | 2020-08-11 | 青岛天源伟业保温防水工程有限公司 | Gapless filling method for foundation post-cast strip |
-
2023
- 2023-07-12 CN CN202310847955.XA patent/CN116575696B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444283A (en) * | 2011-12-22 | 2012-05-09 | 中建二局大连建筑工程有限公司 | Lateral bracing structure of building formwork |
| CN108708485A (en) * | 2018-05-19 | 2018-10-26 | 高建芳 | A kind of mounting structure of precast concrete assembled wallboard |
| CN109594663A (en) * | 2018-12-29 | 2019-04-09 | 云南省建设投资控股集团有限公司 | Armored concrete for post-cast strip position induces band structure and its construction method |
| CN110359586A (en) * | 2019-07-25 | 2019-10-22 | 华神建设集团有限公司 | Late poured band structure and construction method |
| CN212317482U (en) * | 2019-12-31 | 2021-01-08 | 淙创(上海)企业管理咨询中心 | Forming die for cast-in-situ cover plate of deformation joint |
| CN111173249A (en) * | 2020-01-10 | 2020-05-19 | 上海二十冶建设有限公司 | Overhanging support system attached to rectangular beam and column |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116575696A (en) | 2023-08-11 |
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