CN112814041A - Disassembly-free template for underground outer wall advanced water stop post-cast strip and construction method - Google Patents
Disassembly-free template for underground outer wall advanced water stop post-cast strip and construction method Download PDFInfo
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- CN112814041A CN112814041A CN202110167348.XA CN202110167348A CN112814041A CN 112814041 A CN112814041 A CN 112814041A CN 202110167348 A CN202110167348 A CN 202110167348A CN 112814041 A CN112814041 A CN 112814041A
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- wall
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- water stop
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- cast strip
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
- E02D31/025—Draining membranes, sheets or fabric specially adapted therefor, e.g. with dimples
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0007—Production methods using a mold
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a disassembly-free template of an advanced water-stop post-cast strip of an underground outer wall and a construction method. The invention has the beneficial effects that: on the premise of meeting the requirement of advanced water stop of the post-cast strip, the construction process of the advanced water stop post-cast strip is simplified, the inner side template does not need to be dismantled, the water seepage prevention of the underground outer wall before concrete pouring of the post-cast strip is guaranteed, the water prevention and backfill construction of the outer wall can be carried out in advance, the construction progress is accelerated, and the construction quality is guaranteed.
Description
Technical Field
The invention relates to a disassembly-free template of an advanced water-stop post-cast strip, in particular to a disassembly-free template of an advanced water-stop post-cast strip of an underground outer wall and a construction method, and belongs to the technical field of building construction.
Background
And after the main body is finished, pouring concrete of the post-cast strip. The water stop strip which is used at the position of the post-cast strip and is cast before the post-cast strip is called as a leading water stop post-cast strip, and in the actual construction engineering, the retention time of the post-cast strip is generally longer.
When the building foundation is below the ground water level, the traditional post-cast strip mode is adopted, the post-cast strip must be cast with concrete after the main structure construction is completed, the prefabricated slab of the existing external wall advanced water stop template device is not well stressed, is difficult to hoist and has no good waterproof performance, and the form removal of the water stop retaining wall of the advanced water stop post-cast strip is difficult, so that the engineering construction quality cannot be ensured.
Based on the above, the application provides a disassembly-free template of the advanced water stop post-cast strip of the underground outer wall and a construction method.
Disclosure of Invention
The invention aims to provide a disassembly-free formwork for an advanced water stop post-cast strip of an underground outer wall and a construction method thereof in order to solve the problems.
The invention realizes the purpose through the following technical scheme: a disassembly-free template of an advanced water-stop post-cast strip of an underground outer wall comprises the underground outer wall and an advanced water-stop retaining wall; advance stagnant water retaining wall and keep off the section outside at secret outer wall, be provided with between secret outer wall and the advance stagnant water barricade and exempt from the form of tearing open, be provided with the secret outer wall reinforcing bar of crossing arrangement with great ease in the secret outer wall, just the wall body outside parcel of secret outer wall section both sides has the net of closing up soon easily, be provided with the secret outer wall reinforcing bar of crossing arrangement with great ease in the advance stagnant water barricade, the outside limit of advance stagnant water barricade is provided with the plank sheathing, the outside of plank sheathing is provided with the flitch, the lateral surface of flitch is provided with phi 48 steel pipes, the stagnant water screw rod has been worn between the flitch of advance stagnant water barricade both sides to stretch fixedly through the nut, the bottom flitch of advance stagnant water barricade and exempt from to wear.
As a still further scheme of the invention: the disassembly-free template is a rectangular GRC plate with the thickness of 40 mm.
As a still further scheme of the invention: phi 16PVC sleeves are embedded in the non-dismantling template, the distance between the PVC sleeves is 300mm, the distance between the bottommost row of PVC sleeves and the ground is 200mm, and the distance between the sleeves at the two side edges and the edges of the template is 100 mm.
As a still further scheme of the invention: the surface of the non-dismantling template is in a sawtooth shape.
As a still further scheme of the invention: and a steel bar mesh with the diameter of 6@200mm is arranged in the non-dismantling template.
As a still further scheme of the invention: every two phi 48 steel pipes are used as keels of the water-stopping screw oppositely-pulling reinforcing template, and the phi 48 steel pipes are vertically arranged.
A construction method of a disassembly-free template of an underground outer wall advanced water stop post-cast strip comprises the following steps:
firstly, arranging a dismantling-free template at the outer side edge of the section of an underground outer wall, and matching a steel bar mesh sheet with the diameter of 6@200mm in the dismantling-free template;
step two, building a wood template on the outer side of the disassembly-free template, arranging battens on the outer side of the wood template, performing opposite-pulling reinforcement on the wood templates on the left side and the right side through a water-stopping screw rod, and performing opposite-pulling reinforcement on the disassembly-free template and the bottom wood template through the water-stopping screw rod;
pouring concrete on the inner sides of the wood formwork and the non-dismantling formwork to form an advanced water-stopping retaining wall 7;
step four, after the strength of the concrete meets the formwork removal requirement, removing the outer side wood formwork, and pulling out a phi 48 steel pipe keel for reinforcing the non-dismantling formwork from the upper part;
and fifthly, cutting off the exposed part of the water stop screw, treating the water stop screw by using waterproof mortar, performing water prevention together with the basement outer wall, and performing foundation pit backfilling in time.
The invention has the beneficial effects that: the disassembly-free template for the post-cast strip for the advanced water stop of the underground outer wall and the construction method are reasonable in design, the construction process of the post-cast strip for the advanced water stop is simplified on the premise that the advanced water stop of the post-cast strip is met, the inner side template does not need to be disassembled, the underground outer wall is guaranteed not to be subjected to water seepage before concrete pouring of the post-cast strip, the outer wall can be subjected to water-proof and backfill construction in advance, the construction progress is accelerated, and the construction quality is guaranteed.
Drawings
FIG. 1 is a sectional view of an advanced water stop post-cast strip for an underground outer wall according to the present invention;
FIG. 2 is a reinforcement elevation view of the leading water stop post-cast strip formwork of the underground outer wall of the invention.
In the figure: 1. the underground external wall comprises an underground external wall, 2 parts of a quick and easy closing net, 3 parts of a disassembly-free template, 4 parts of underground external wall steel bars, 5 parts of a wood template, 6 parts of battens, 7 parts of an advanced water stop retaining wall, 8 parts of phi 48 steel pipes and 9 parts of water stop screws.
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.
Referring to fig. 1-2, a demolition-free formwork for an advanced water-stop post-cast strip of an underground outer wall comprises an underground outer wall 1 and an advanced water-stop retaining wall 7; the advanced water-stop retaining wall 7 is blocked at the outer side of the section of the underground outer wall 1, a non-dismantling template 3 is arranged between the underground outer wall 1 and the advanced water-stop retaining wall 7, underground outer wall steel bars 4 which are arranged in a criss-cross mode are arranged in the underground outer wall 1, the outer sides of the walls at the two sides of the section of the underground outer wall 1 are wrapped with a quick and easy closing net 2, underground outer wall steel bars 4 which are arranged in a criss-cross mode are arranged in the advanced water-stopping retaining wall 7, the outer side edge of the advanced water-stopping retaining wall 7 is provided with a wooden template 5, the outer side of the wooden template 5 is provided with a batten 6, a phi 48 steel pipe 8 is arranged on the outer side surface of the batten 6, a water stop screw 9 is penetrated between the battens 6 on the two sides of the advanced water stop retaining wall 7, and the advanced water-stopping retaining wall 7 is stretched and fixed through nuts, a phi 48 steel pipe 8 penetrates between the bottom battens 6 and the non-dismantling formworks 3, and the advanced water-stopping retaining wall is stretched and fixed through nuts.
In the embodiment of the invention, the disassembly-free template 3 is a rectangular GRC plate with the thickness of 40mm, has the advantages of light weight, high strength, convenience in installation and the like, and does not need to be disassembled after the installation is finished.
In the embodiment of the invention, phi 16PVC sleeves are embedded in the non-dismantling template 3, the distance between the PVC sleeves is 300mm, the distance between the bottommost row of PVC sleeves and the ground is 200mm, and the distance between the sleeves at the two side edges and the edge of the template is 100mm, so that the PVC sleeves penetrate through the water stop screw rods 9 and are tensioned and reinforced.
In the embodiment of the invention, the surface of the non-dismantling formwork 3 is in a sawtooth shape, and the concrete and the outer wall form a whole after being poured, so that the waterproof effect is improved.
In the embodiment of the invention, the non-dismantling template 3 is internally provided with a steel bar net sheet with the diameter of phi 6@200mm, so that the strength of the non-dismantling template is ensured.
In the embodiment of the invention, every two phi 48 steel pipes 8 are used as the keels of the water-stopping screw rods 9 for oppositely pulling the reinforced template, and the phi 48 steel pipes 8 are vertically arranged, so that secondary keels are not required to be arranged on the outer side of the non-dismantling template 3, and the construction difficulty of the advanced water-stopping retaining wall is reduced.
A construction method of a disassembly-free template of an underground outer wall advanced water stop post-cast strip comprises the following steps:
firstly, arranging a non-dismantling template 3 at the outer side edge of the section of an underground outer wall 1, and matching a phi 6@200mm reinforcing mesh sheet in the non-dismantling template 3;
secondly, building a wood template 5 on the outer side of the non-dismantling template 3, arranging battens 6 on the outer side of the wood template 5, carrying out opposite-pulling reinforcement on the wood templates 5 on the left side and the right side through a water-stopping screw rod 9, and carrying out opposite-pulling reinforcement on the non-dismantling template 3 and the bottom wood template 5 through the water-stopping screw rod 9;
thirdly, pouring concrete on the inner sides of the wood formwork 5 and the non-dismantling formwork 3 to form an advanced water-stopping retaining wall 7;
step four, after the strength of the concrete meets the formwork removal requirement, the outer side wood formwork 5 is removed, and a keel 8 of the phi 48 steel pipe for reinforcing the non-dismantling formwork 3 is pulled out from the upper part;
and fifthly, cutting off the exposed part of the water stop screw rod 9, treating the water stop screw rod with waterproof mortar, performing water prevention together with the basement outer wall, and performing foundation pit backfilling in time.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A disassembly-free template for an advanced water stop post-cast strip of an underground outer wall comprises the underground outer wall (1) and an advanced water stop retaining wall (7); the method is characterized in that: the advanced water-stopping retaining wall (7) is arranged outside the section of the underground outer wall (1), a disassembly-free template (3) is arranged between the underground outer wall (1) and the advanced water-stopping retaining wall (7), underground outer wall steel bars (4) which are arranged in a criss-cross mode are arranged in the underground outer wall (1), the wall bodies on the two sides of the section of the underground outer wall (1) are wrapped by a quick-opening closing net (2), underground outer wall steel bars (4) which are arranged in a criss-cross mode are arranged in the advanced water-stopping retaining wall (7), a wood template (5) is arranged on the outer side of the advanced water-stopping retaining wall (7), battens (6) are arranged on the outer side of the wood template (5), phi 48 steel pipes (8) are arranged on the outer side face of the battens (6), water-stopping screws (9) are arranged between the battens (6) on the, phi 48 steel pipes (8) penetrate between the bottom battens (6) of the advanced water-stopping retaining walls (7) and the disassembly-free templates (3), and are stretched and fixed through nuts.
2. The underground outer wall leading water stop post-cast strip disassembly-free formwork of claim 1 is characterized in that: the disassembly-free template (3) is a rectangular GRC plate with the thickness of 40 mm.
3. The underground outer wall leading water stop post-cast strip disassembly-free formwork of claim 1 is characterized in that: phi 16PVC sleeves are embedded in the non-dismantling template (3), the distance between the PVC sleeves is 300mm, the distance between the bottommost row of PVC sleeves and the ground is 200mm, and the distance between the sleeves at the two side edges and the edges of the template is 100 mm.
4. The underground outer wall leading water stop post-cast strip disassembly-free formwork of claim 1 or 2, which is characterized in that: the surface of the non-dismantling template (3) is in a sawtooth shape.
5. The underground outer wall leading water stop post-cast strip disassembly-free formwork of claim 3 is characterized in that: the disassembly-free template (3) is internally provided with a steel bar net sheet with the diameter of 6@200 mm.
6. The underground outer wall leading water stop post-cast strip disassembly-free formwork of claim 1 is characterized in that: every two phi 48 steel pipes (8) are used as keels of the water stop screw rods (9) for oppositely pulling the reinforcing template, and the phi 48 steel pipes (8) are vertically arranged.
7. The construction method of the underground outer wall leading water stop post-cast strip disassembly-free formwork based on the claim 1 is characterized by comprising the following steps:
firstly, arranging a non-dismantling template (3) at the outer side edge of the section of an underground outer wall (1), and matching a steel bar mesh sheet with the diameter of 6@200mm in the non-dismantling template (3);
secondly, building a wood template (5) on the outer side of the non-dismantling template (3), arranging battens (6) on the outer side of the wood template (5), carrying out counter-pulling reinforcement on the wood templates (5) on the left side and the right side through a water stop screw rod (9), and carrying out counter-pulling reinforcement on the non-dismantling template (3) and the wood template (5) at the bottom through the water stop screw rod (9);
thirdly, pouring concrete on the inner sides of the wood formwork (5) and the non-dismantling formwork (3) to form an advanced water-stopping retaining wall (7);
fourthly, after the strength of the concrete meets the formwork removal requirement, removing the outer side wood formwork (5) and pulling out a keel of a phi 48 steel pipe (8) for reinforcing the non-dismantling formwork (3) from the upper part;
and fifthly, cutting off the exposed part of the water stop screw (9), treating the water stop screw with waterproof mortar, performing water prevention together with the basement outer wall, and performing foundation pit backfilling in time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110167348.XA CN112814041A (en) | 2021-02-07 | 2021-02-07 | Disassembly-free template for underground outer wall advanced water stop post-cast strip and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110167348.XA CN112814041A (en) | 2021-02-07 | 2021-02-07 | Disassembly-free template for underground outer wall advanced water stop post-cast strip and construction method |
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| Publication Number | Publication Date |
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| CN112814041A true CN112814041A (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110167348.XA Pending CN112814041A (en) | 2021-02-07 | 2021-02-07 | Disassembly-free template for underground outer wall advanced water stop post-cast strip and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482135A (en) * | 2022-02-21 | 2022-05-13 | 中铁十六局集团城市建设发展有限公司 | Advanced water stop structure of basement exterior wall post-cast strip and construction method |
-
2021
- 2021-02-07 CN CN202110167348.XA patent/CN112814041A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482135A (en) * | 2022-02-21 | 2022-05-13 | 中铁十六局集团城市建设发展有限公司 | Advanced water stop structure of basement exterior wall post-cast strip and construction method |
| CN114482135B (en) * | 2022-02-21 | 2024-05-07 | 中铁十六局集团城市建设发展有限公司 | Advanced water stop structure of basement outer wall post-pouring belt and construction method |
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