CN110593320A - Early sealing structure for outer wall post-cast strip and construction method thereof - Google Patents
Early sealing structure for outer wall post-cast strip and construction method thereof Download PDFInfo
- Publication number
- CN110593320A CN110593320A CN201910797245.4A CN201910797245A CN110593320A CN 110593320 A CN110593320 A CN 110593320A CN 201910797245 A CN201910797245 A CN 201910797245A CN 110593320 A CN110593320 A CN 110593320A
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- post
- cast strip
- steel
- steel plate
- vertical
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 31
- 238000010276 construction Methods 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 166
- 239000010959 steel Substances 0.000 claims abstract description 166
- 239000004567 concrete Substances 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 239000010410 layer Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 239000012945 sealing adhesive Substances 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 7
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 238000009435 building construction Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
- E02D2300/0034—Steel; Iron in wire form
Abstract
The invention discloses an outer wall post-cast strip advanced sealing structure which comprises a post-cast strip arranged between two groups of concrete outer walls, wherein water-stopping steel plates are pre-embedded at two opposite ends of the two groups of concrete outer walls close to two sides of the post-cast strip, steel wire meshes are arranged at two outer sides of the post-cast strip, a vertical steel plate is arranged at one end of the post-cast strip, a horizontal steel plate is arranged towards the outer side of the steel plate, the vertical steel plate and the horizontal steel plate are vertically arranged, the joint of the vertical steel plate and the horizontal steel plate is welded, and a plurality of groups of horizontal positioning steel bars are welded at one end of the vertical steel plate; according to the construction method, the outer wall post-cast strip is constructed in an early sealing manner, the phenomenon that soil and garbage are buried in the post-cast strip and cannot be cleaned up is avoided by sealing the post-cast strip in advance, and finally the leakage risk is avoided.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a post-cast strip sealing structure, in particular to an outer wall post-cast strip advanced sealing structure and a construction method thereof.
Background
The post-cast strip is formed by reserving temporary construction joints at corresponding positions of a foundation slab, a wall and a beam according to design or construction specification requirements in order to prevent harmful cracks possibly generated by uneven shrinkage of a cast-in-place reinforced concrete structure in building construction.
Patent application No. 201820460073.2 discloses a basement post-cast strip enclosed construction in advance, including post-cast strip and the basement outer wall that is located post-cast strip both sides, it adopts the prefabricated plate as the construction basis, and its post-cast strip water-proof effects who pours are general, and the closure is relatively poor, and rigidity is also comparatively general.
At present, basement post-cast strip positions on a building construction site are generally exposed outside before earthwork backfilling, exposed reinforcing steel bars of the post-cast strip are corroded seriously along with the passage of time, a bottom area is filled with soil and garbage, the difficulty of later cleaning is high, the leakage risk of the post-cast strip is increased, and in addition, earthwork is not backfilled, so that a peripheral foundation pit is deep and accumulated water is serious, the potential safety hazard is large, and peripheral roads of a building cannot be hardened late, so that the site is dirty and messy, and the site is not favorable for site safe civilized construction.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide an early sealing structure of an outer wall post-cast strip and a construction method thereof.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides an outer wall post-cast strip enclosed construction in advance, is including setting up the post-cast strip between two sets of concrete outer walls, and the relative both ends of two sets of concrete outer walls lean on the both sides of post-cast strip are all pre-buried to have the stagnant water steel sheet, the two outsides of post-cast strip all are provided with the wire net, and the one end of post-cast strip is provided with vertical steel sheet, be provided with horizontal steel sheet to the outside of steel sheet, vertical steel sheet sets up with horizontal steel sheet is perpendicular, and vertical steel sheet welds with horizontal steel sheet linking department mutually, the one end welding of vertical steel sheet has a plurality of groups of horizontal positioning reinforcing bar, the one end welding of horizontal steel sheet has a plurality of groups of vertical positioning reinforcing bar, the outer wall of vertical steel sheet has sealed.
As a further scheme of the invention: the steel wire mesh is a quick and easy closing net, and the width of the steel wire mesh is the same as that of the concrete outer wall.
As a further scheme of the invention: the horizontal positioning steel bars of the plurality of groups are all arranged in parallel, and one ends of the horizontal positioning steel bars of the plurality of groups are all welded with one end of the vertical steel plate.
As a further scheme of the invention: and the vertical positioning steel bars are arranged vertically relative to the horizontal steel plate, and the diameters of the horizontal positioning steel bars and the vertical positioning steel bars are the same.
As a further scheme of the invention: the bottom welding of stagnant water steel sheet has embedded reinforcing bar, and the lower half of stagnant water steel sheet is pre-buried in the inboard of concrete outer wall.
A construction method for an early sealing structure of an outer wall post-cast strip specifically comprises the following steps:
the method comprises the following steps: firstly, binding steel wire meshes on two sides of a post-cast strip in advance before the post-cast strip is poured, simultaneously embedding a water-stopping steel plate, connecting the bottom of the water-stopping steel plate with embedded steel bars, embedding the embedded steel bars and the lower half part of the water-stopping steel plate when a concrete outer wall is poured, and embedding the water-stopping steel plate on two sides of the post-cast strip;
step two: after the pouring of the concrete outer wall is finished, sealing two sides and end parts of the post-pouring belt by using the vertical steel plate and the horizontal steel plate, and respectively installing the horizontal positioning steel bars and the vertical positioning steel bars inside the post-pouring belt, wherein the horizontal positioning steel bars are welded with the vertical steel plate, and the vertical positioning steel bars are welded and fixed with the horizontal steel plate;
step three: and filling gaps at the joint of the two sides of the two vertical steel plates and the post-cast strip by using a sealing adhesive layer, and finally pouring and filling the inner side of the post-cast strip by using concrete to complete the construction operation of sealing the post-cast strip of the outer wall in advance.
The invention has the following beneficial effects:
1. according to the invention, the steel wire mesh is used for pre-binding, the water stop steel plate is pre-embedded, the vertical steel plate and the horizontal steel plate as well as the horizontal positioning steel bar and the vertical positioning steel bar are welded and fixed in advance, and then the post-cast strip can be subjected to pre-sealing construction operation;
2. according to the invention, the post-cast strip adopts the vertical steel plates and the horizontal steel plates to be in sealing fit with the steel wire meshes on the two sides, after the post-cast strip is cast and formed, the integral rigidity is higher, the requirement of sealing the post-cast strip is met, meanwhile, the post-cast strip can resist the lateral pressure of backfill soil, the pressure resistance is stronger, and the post-cast strip is cast and sealed in advance, so that the purpose of early soil return of a foundation pit is achieved, the potential safety hazard of the foundation pit is eliminated, meanwhile, the outdoor early hardening is realized, and the effect is obvious.
Drawings
The invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic plan view of the present invention.
FIG. 2 is a cross-sectional view of the post-cast strip of the present invention.
In the figure: 1. post-pouring a belt; 2. steel wire mesh; 3. a water stop steel plate; 4. a vertical steel plate; 5. a horizontal steel plate; 6. horizontally positioning the reinforcing steel bars; 7. vertically positioning a steel bar; 8. sealing the adhesive layer; 9. and (5) concrete outer walls.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in the figure 1-2, the outer wall post-cast strip advanced sealing structure comprises a post-cast strip 1 arranged between two groups of concrete outer walls 9, water stop steel plates 3 are pre-embedded at two opposite ends of the two groups of concrete outer walls 9 close to two sides of the post-cast strip 1, steel wire meshes 2 are arranged at two outer sides of the post-cast strip 1, one end of the post-cast strip 1 is provided with a vertical steel plate 4, a horizontal steel plate 5 is arranged towards the outer side of the steel plate 4, the vertical steel plate 4 is vertically arranged with the horizontal steel plate 5, the joint of the vertical steel plate 4 and the horizontal steel plate 5 is welded, one end of the vertical steel plate 4 is welded with a plurality of groups of horizontal positioning steel bars 6, one end of the horizontal steel plate 5 is welded with a plurality of groups of vertical positioning steel bars 7, the joint of the outer wall of the vertical steel plate 4 and the side edge of the post-cast strip 1 is filled with a, the condition of seepage appears when preventing to pour.
Wire net 2 is the net that closes up soon easily, and the width of wire net 2 is the same with concrete outer wall 9's width, sets up and need not to demolish when the net that closes up soon pours in post-cast strip 1, and wire net 2 bearing strength is big, and the construction effect is good, has shortened construction period, and the result of use for ordinary template is better.
A plurality of groups of horizontal positioning reinforcing steel bars 6 are all parallel arrangement, and the one end of a plurality of groups of horizontal positioning reinforcing steel bars 6 all welds mutually with the one end of vertical steel plate 4, and horizontal positioning reinforcing steel bar 6 fixes a position vertical steel plate 4, has improved the firm degree of pouring post-cast strip 1 when pouring simultaneously.
A plurality of groups of vertical positioning reinforcing steel bars 7 are all relative perpendicular settings with horizontal steel plate 5, and the diameter of horizontal positioning reinforcing steel bar 6 is the same with vertical positioning reinforcing steel bar 7, and vertical positioning reinforcing steel bar 7 fixes a position horizontal steel plate 5.
The bottom welding of stagnant water steel sheet 3 has embedded bar, and the lower half of stagnant water steel sheet 3 is pre-buried in the inboard of concrete outer wall 9, and stagnant water steel sheet 3 utilizes between embedded bar and the concrete outer wall 9 to pour, and stagnant water steel sheet 3 sets up the both sides of post-cast strip 1, and stagnant water steel sheet 3 keeps apart groundwater outside the outer wall of basement and prevents groundwater to infiltration in the basement.
A construction method for an early sealing structure of an outer wall post-cast strip specifically comprises the following steps:
the method comprises the following steps: firstly, before the post-cast strip 1 is poured, binding steel wire meshes 2 on two sides of the post-cast strip 1 in advance, embedding a water-stop steel plate 3, connecting the bottom of the water-stop steel plate 3 with embedded steel bars, embedding the embedded steel bars and the lower half part of the water-stop steel plate 3 when a concrete outer wall 9 is poured, and embedding the water-stop steel plates 3 on two sides of the post-cast strip 1;
step two: after the pouring of the poured concrete outer wall 9 is finished, sealing the two sides and the end parts of the post-cast strip 1 by using the vertical steel plates 4 and the horizontal steel plates 5, and respectively installing the horizontal positioning steel bars 6 and the vertical positioning steel bars 7 inside the post-cast strip 1, wherein the horizontal positioning steel bars 6 are welded with the vertical steel plates 4, and the vertical positioning steel bars 7 are welded and fixed with the horizontal steel plates 5;
step three: and filling gaps at the joint of the two vertical steel plates 4 and the two sides of the post-cast strip 1 by using the sealing glue layer 8, and finally pouring and filling the inner side of the post-cast strip 1 by using concrete to complete the construction operation of closing the outer wall post-cast strip 1 in advance.
A structure for sealing an outer wall post-cast strip in advance is characterized in that during construction, firstly, before the post-cast strip 1 is poured, steel wire meshes 2 are bound on two sides of the post-cast strip 1 in advance, the bound steel wire meshes 2 are used as templates fixed on two sides of the post-cast strip 1, the template is not required to be dismantled during pouring, bearing strength is higher than that of a common template, the structure is more convenient during pouring, meanwhile, a water stop steel plate 3 is pre-embedded, the bottom of the water stop steel plate 3 is connected with pre-embedded steel bars, a concrete outer wall 9 is used as a basement outer wall, the pre-embedded steel bars and the lower half part of the water stop steel plate 3 are pre-embedded when the concrete outer wall 9 is poured, the water stop steel plate 3 is pre-embedded on two sides of the post-cast strip 1, the water stop steel plate 3 is arranged on two sides of the post-cast strip 1, the water stop steel plate 3 isolates underground water outside the outer wall of a basement and prevents the underground water from permeating into, install horizontal positioning reinforcing bar 6 and vertical positioning reinforcing bar 7 respectively inside post-cast strip 1, wherein horizontal positioning reinforcing bar 6 welds with vertical steel sheet 4, vertical positioning reinforcing bar 7 carries out welded fastening with horizontal steel sheet 5, utilize sealant layer 8 to fill two vertical steel sheets 4 and the both sides of post-cast strip 1 joint department gap, set up sealant layer 8 and seal the gap of vertical steel sheet 4 and 1 both sides of post-cast strip, thereby can prevent the condition that post-cast strip 1 the seepage appears after pouring.
According to the invention, the steel wire mesh 2 is used for binding in advance, the water stop steel plate 3 is pre-embedded, the vertical steel plate 4 and the horizontal steel plate 5 as well as the horizontal positioning steel bar 6 and the vertical positioning steel bar 7 are welded and fixed in advance, and then the post-cast strip 1 can be subjected to pre-sealing construction operation, so that the operation process is simple, the operability is strong, the construction difficulty is low, and the post-cast strip 1 is sealed by the sealing glue layer 8 before being poured, thereby effectively preventing leakage, sealing the post-cast strip 1 in advance, avoiding the phenomenon that soil and garbage are buried in the post-cast strip 1 and cannot be cleaned up, and simultaneously avoiding the situation that the steel bars and the steel plates of the post-cast strip 1 are corroded before being sealed; according to the invention, the post-cast strip 1 adopts the vertical steel plates 4 and the horizontal steel plates 5 to be in sealing fit with the steel wire meshes 2 on the two sides, after the post-cast strip 1 is cast and formed, the integral rigidity is higher, the requirement of sealing the post-cast strip 1 is met, meanwhile, the post-cast strip 1 can resist the lateral pressure of backfill soil, the compression resistance is stronger, and the post-cast strip 1 is cast and sealed in advance, so that the purpose of early soil return of a foundation pit is achieved, the potential safety hazard of the foundation pit is eliminated, the outdoor early hardening is realized, and the effect is obvious.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (6)
1. The utility model provides an outer wall post-cast strip enclosed construction in advance, its characterized in that, including setting up post-cast strip (1) between two sets of concrete outer walls (9), the relative both ends of two sets of concrete outer walls (9) lean on the both sides of post-cast strip (1) are all pre-buried to have stagnant water steel sheet (3), the two outsides of post-cast strip (1) all are provided with wire net (2), and the one end of post-cast strip (1) is provided with vertical steel sheet (4), be provided with horizontal steel sheet (5) to the outside of steel sheet (4), vertical steel sheet (4) set up with horizontal steel sheet (5) are perpendicular, and vertical steel sheet (4) and horizontal steel sheet (5) link up the department and weld mutually, the one end welding of vertical steel sheet (4) has a plurality of groups horizontal positioning reinforcing bar (6), the one end welding of horizontal steel sheet (5) has a plurality of groups vertical positioning reinforcing bar (7), the outer wall of vertical steel sheet (4) and the side department of post-cast strip (1).
2. An outer wall post-cast strip early sealing structure as claimed in claim 1, wherein the steel wire mesh (2) is a quick and easy closing net, and the width of the steel wire mesh (2) is the same as that of the concrete outer wall (9).
3. An outer wall post-cast strip early sealing structure as claimed in claim 1, wherein a plurality of groups of horizontal positioning steel bars (6) are arranged in parallel, and one end of each group of horizontal positioning steel bars (6) is welded with one end of the vertical steel plate (4).
4. The early sealing structure of the post-cast strip of the outer wall according to claim 1, wherein a plurality of groups of the vertical positioning steel bars (7) are arranged vertically relative to the horizontal steel plate (5), and the diameters of the horizontal positioning steel bars (6) and the vertical positioning steel bars (7) are the same.
5. The structure of claim 1, wherein embedded steel bars are welded at the bottom of the water-stop steel plate (3), and the lower half part of the water-stop steel plate (3) is embedded inside the concrete outer wall (9).
6. A construction method for an early sealing structure of an outer wall post-cast strip is characterized by comprising the following steps:
the method comprises the following steps: firstly, binding steel wire meshes (2) on two sides of a post-cast strip (1) in advance before the post-cast strip (1) is cast, embedding a water-stopping steel plate (3), connecting the bottom of the water-stopping steel plate (3) with embedded steel bars, embedding the embedded steel bars and the lower half part of the water-stopping steel plate (3) when a concrete outer wall (9) is cast, and embedding the water-stopping steel plate (3) on two sides of the post-cast strip (1);
step two: after the pouring of the concrete outer wall (9) is finished, sealing the two sides and the end part of the post-cast strip (1) by using a vertical steel plate (4) and a horizontal steel plate (5), and respectively installing a horizontal positioning steel bar (6) and a vertical positioning steel bar (7) inside the post-cast strip (1), wherein the horizontal positioning steel bar (6) is welded with the vertical steel plate (4), and the vertical positioning steel bar (7) is welded and fixed with the horizontal steel plate (5);
step three: and filling gaps at the joint of the two sides of the two vertical steel plates (4) and the rear pouring belt (1) by using a sealing adhesive layer (8), and finally pouring and filling the inner side of the rear pouring belt (1) by using concrete to complete the construction operation of sealing the outer wall rear pouring belt (1) in advance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910797245.4A CN110593320A (en) | 2019-08-27 | 2019-08-27 | Early sealing structure for outer wall post-cast strip and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910797245.4A CN110593320A (en) | 2019-08-27 | 2019-08-27 | Early sealing structure for outer wall post-cast strip and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110593320A true CN110593320A (en) | 2019-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910797245.4A Pending CN110593320A (en) | 2019-08-27 | 2019-08-27 | Early sealing structure for outer wall post-cast strip and construction method thereof |
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| CN (1) | CN110593320A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112663678A (en) * | 2020-12-22 | 2021-04-16 | 上海勘测设计研究院有限公司 | Post-cast strip structure and construction method thereof |
| CN113047460A (en) * | 2021-03-29 | 2021-06-29 | 中信国安建工集团有限公司 | Post-cast strip structure and construction method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112663678A (en) * | 2020-12-22 | 2021-04-16 | 上海勘测设计研究院有限公司 | Post-cast strip structure and construction method thereof |
| CN113047460A (en) * | 2021-03-29 | 2021-06-29 | 中信国安建工集团有限公司 | Post-cast strip structure and construction method |
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