CN216109137U - A enclosed construction in advance for building post-cast strip - Google Patents

A enclosed construction in advance for building post-cast strip Download PDF

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Publication number
CN216109137U
CN216109137U CN202122238974.1U CN202122238974U CN216109137U CN 216109137 U CN216109137 U CN 216109137U CN 202122238974 U CN202122238974 U CN 202122238974U CN 216109137 U CN216109137 U CN 216109137U
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China
Prior art keywords
post
cast strip
precast concrete
template
wall
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CN202122238974.1U
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Chinese (zh)
Inventor
房晓兵
孙振振
崔熙好
刘刚
冯同广
刘宇轩
马欣甜
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China Construction First Group Corp Ltd
First Construction Co Ltd of China Construction First Group Corp Ltd
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China Construction First Group Corp Ltd
First Construction Co Ltd of China Construction First Group Corp Ltd
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Priority to CN202122238974.1U priority Critical patent/CN216109137U/en
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Abstract

The utility model belongs to the technical field of the construction and specifically relates to a closed construction in advance for building post-cast strip is related to, it includes a plurality of outer walls, two be provided with the post-cast strip between the outer wall, the post-cast strip outside is provided with precast concrete board, precast concrete board hug closely in the outer wall, the post-cast strip inboard is provided with the template, template fixed connection in on the outer wall, the template with precast concrete board is through passing the screw rod of post-cast strip is connected, the sealed setting in the post-cast strip outside, precast concrete board with both deviate from the outer wall one side of template all is provided with waterproof construction. The rainwater-proof post-cast strip has the effect of preventing rainwater from entering the indoor space along the post-cast strip which is not at age.

Description

A enclosed construction in advance for building post-cast strip
Technical Field
The application relates to the field of building construction, in particular to a sealing structure used for a post-cast strip of a building in advance.
Background
The post-cast strip is a concrete strip reserved at the corresponding position of a foundation slab, a wall and a beam for preventing harmful cracks possibly generated due to nonuniform self shrinkage or nonuniform settlement of a cast reinforced concrete structure in building construction, temporarily divides the structure into a plurality of parts by the post-cast strip, pours and smashes construction joint concrete after a plurality of times of internal shrinkage of a member, and connects the structure into an integral zone.
In construction, the casting of the post-cast strip after thermal shrinkage generally needs at least 42 days of age, and the casting of the post-cast strip after settlement needs main body capping and then construction. And then the later casting belt can not be constructed in the late age, the later casting belt part of the outer wall of the basement can not be constructed in a waterproof way, the foundation fertilizer groove can not be backfilled in time, if the later casting belt can not be constructed in the construction of rainy season, rainwater can be gushed into the basement along the later casting belt to damage the finished product after construction.
SUMMERY OF THE UTILITY MODEL
To prevent rain water from entering the room along late-age post-cast strips, the present application provides an early closure structure for building post-cast strips.
The application provides a closed structure in advance for building post-cast strip adopts following technical scheme:
the advanced sealing structure for the post-cast strip of the building comprises a plurality of outer walls, wherein the post-cast strip is arranged between the two outer walls, a precast concrete plate is arranged on the outer side of the post-cast strip, the precast concrete plate is tightly attached to the outer walls, a template is arranged on the inner side of the post-cast strip, the template is fixedly connected to the outer walls, the template is connected with the precast concrete plate through a screw rod penetrating through the post-cast strip, the inner side and the outer side of the post-cast strip are arranged in a sealing mode, and one sides, deviating from the template, of the precast concrete plate and the outer walls are provided with waterproof structures.
Through adopting above-mentioned technical scheme, the post-cast strip that sets up between two outer walls has set up template and precast concrete board respectively in inside and outside both sides, and through screw rod with template and precast concrete board fixed connection, make post-cast strip department form and seal fixed knot structure, realize the closure of post-cast strip in inside and outside direction, set up waterproof construction outside the post-cast strip after sealing to prevent that the rainwater from gushing into to the outer wall in from the outside of post-cast strip, cause the destruction to the finished product that indoor construction was accomplished.
Optionally, waterproof construction includes waterproofing membrane and waterproof protection wall, waterproofing membrane is fixed and hug closely in one side of waterproof protection wall, waterproofing membrane deviates from one side of waterproof protection wall is fixed and hug closely in precast concrete board with both deviate from the outer wall one side of template.
Through adopting above-mentioned technical scheme, the waterproofing protection wall that sets up stops the rainwater, prevents that the rainwater from getting into indoorly, and the waterproofing membrane of setting is used for strengthening the waterproof performance of waterproofing protection wall to the waterproofing protection wall enhancement processing.
Optionally, the screws connecting the formwork and the precast concrete slab are water screws.
By adopting the technical scheme, the water stop screw rod can change the path of rainwater flowing along the rod body of the water stop screw rod, and the path of rainwater seeping into the inner side of the post-pouring belt is changed, so that the waterproof effect is achieved.
Optionally, a water stop steel plate is arranged in the post-cast strip, a folded edge on one side of the water stop steel plate is fixedly connected to the outer wall, and a folded edge on the other side of the water stop steel plate is tightly abutted to the water stop screw rod.
Through adopting above-mentioned technical scheme, through the stagnant water steel sheet that sets up, can change the route of following its pole body entering rainwater, change the rainwater and to the route that the inboard infiltrates of post-cast strip, play water-proof effects, and the area of waterproof steel sheet is greater than the sealing strip on the stagnant water screw rod, can deal with the rainwater of great area and gush into, strengthens overall structure's waterproof ability.
Optionally, one end of the water stop screw rod is bent into a bent anchor, and the bent anchor is embedded in the precast concrete slab.
Through adopting above-mentioned technical scheme, the one end bending of stagnant water screw rod becomes curved anchor to pre-buried in precast concrete board, curved anchor end is pre-buried in precast concrete has improved the firm degree of stagnant water screw rod in precast concrete board, makes when installing whole enclosed construction more convenient.
Optionally, a steel bar framework is arranged in the precast concrete slab, and the steel bar framework is a double-layer bidirectional steel bar.
Through adopting above-mentioned technical scheme, the steel reinforcement framework that double-deck two-way reinforcing bar was built is set up in precast concrete board for precast concrete board reduces the appearance of crack when the shaping.
Optionally, one side of the formwork, which is far away from the outer wall, is fixedly provided with a plurality of battens serving as secondary keels, the battens are arranged at intervals in the same direction, one side of the battens, which is far away from the formwork, is fixedly provided with a plurality of double steel pipes serving as main keels, and the double steel pipes are arranged at intervals in the same direction and are staggered with the battens.
Through adopting above-mentioned technical scheme, set up mutually crisscross flitch and two steel pipes on the template, further improve the bulk strength of template.
Optionally, the precast concrete plate is provided with a lifting ring.
Through adopting above-mentioned technical scheme, be provided with rings on the precast concrete board, can realize precast concrete board's hoist and mount through rings for the installation is more simple and convenient.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the closed structure consisting of the precast concrete plate, the template and the water stop screw arranged at the post-cast strip can be used for arranging the waterproof structure and closing the post-cast strip before the closed structure is lifted, so that underground water and rainwater are prevented from entering the outer wall through the post-cast strip and damaging a finished product constructed in the outer wall;
2. the sealing structure consisting of the precast concrete plate, the template and the water stop screw at the post-cast strip enables the inner side and the outer side of the post-cast strip to be sealed, and the fertilizer tank can be backfilled in advance under the supporting action of the precast concrete plate, so that the construction period is shortened.
Drawings
FIG. 1 is a top view of an embodiment of the present application;
FIG. 2 is a schematic diagram of a template structure according to an embodiment of the present application;
fig. 3 is an exploded view of a precast concrete panel according to an embodiment of the present application;
fig. 4 is a partially enlarged view of a portion a in fig. 3 according to an embodiment of the present application.
Description of reference numerals:
1. an outer wall; 2. post-pouring a belt; 3. prefabricating a concrete slab; 31. a steel reinforcement cage; 32. a hoisting ring; 4. a template; 41. wood block; 42. double steel pipes; 43. connecting a card; 5. a waterproof structure; 51. waterproof coiled materials; 52. a waterproof protective wall; 6. a water stop screw rod; 61. bending an anchor; 7. and (7) a water stop steel plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a sealing structure in advance for a building post-cast strip 2. Referring to fig. 1, the advanced sealing structure for the post-cast strip of the building comprises rectangular outer walls 1 with two vertically arranged sides, the two outer walls 1 are arranged side by side along the same direction, a post-cast strip 2 is arranged between the two outer walls 1, a rectangular precast concrete plate 3 is arranged on the outer side of the post-cast strip 2, the precast concrete plate 3 is tightly attached to the outer side of the outer wall 1, a rectangular template 4 is arranged on the inner side of the post-cast strip 2, the template 4 is tightly attached to the inner side of the outer wall 1 and connected with the outer wall 1 through screws, two rows of water stop screws 6 are pre-embedded in the precast concrete plate 3, one end of each water stop screw 6 is pre-embedded in the precast concrete plate 3, the other end of each water stop screw is perpendicular to the precast concrete plate 3 and arranged towards one side of the template 4, each water stop screw 6 penetrates through the post-cast strip 2 to fixedly connect the template 4 and the precast concrete plate 3, the inner side and the outer side of the post-cast strip 2 are sealed after connection, and a supporting surface is provided for waterproof operation.
Precast concrete board 3 and outer wall 1 both deviate from one side of template 4 and are provided with waterproof construction 5, waterproof construction 5 includes waterproofing membrane 51 and waterproof protection wall 52, waterproofing membrane 51 hugs closely in one side of waterproof protection wall 52 through the mode of veneer, waterproofing membrane 51 deviates from one side of waterproof protection wall 52 and also hugs closely in precast concrete board 3 and the side that outer wall 1 both deviate from template 4 through the veneer for block rainwater entering post-cast strip 2. Two vertical water stop steel plates 7 are arranged in the post-cast strip 2, the width direction of each water stop steel plate 7 is perpendicular to the length direction of each water stop screw 6, the folded edges of one side of each water stop steel plate 7 are pre-embedded in the outer walls 1 of the two sides respectively, the folded edges of the other side of each water stop steel plate 7 are tightly abutted to the two rows of water stop screws 6 respectively, the arranged water stop steel plates 7 increase the water stop area for changing the flowing of rainwater, the rainwater changes the plate body sliding into the water stop steel plates 7 along the folded plates after flowing through, and a slide way for enabling the rainwater to flow down is provided. The upper surface of the precast concrete slab 3 is provided with a pair of hanging rings 32 for hanging.
Referring to fig. 2, template 4 deviates from one side nail of outer wall 1 and has a plurality of flitch 41 that act as the secondary joist, the equidirectional interval setting of each flitch 41 level, each flitch 41 deviates from one side of template 4 and fixes being provided with a plurality of two steel pipes 42 that act as the main joist, the vertical equidirectional interval setting of each two steel pipes 42, make each flitch 41 and each two steel pipe 42 mutually perpendicular setting, be provided with joint card 43 near each two steel pipe 42's both ends, realize being connected between two steel pipes 42 and the flitch 41 through joint card 43, the overall structure of setting has improved the structural strength of wooden template 4 itself.
Referring to fig. 3 and 4, a rectangular steel reinforcement cage 31 is disposed in the precast concrete slab 3, and the steel reinforcement cage 31 is a double-layer bidirectional steel reinforcement, so that the occurrence of a gap is reduced when the precast concrete slab 3 is solidified. One end of the water stop screw 6 embedded in the precast concrete slab 3 is bent into a bent anchor 61, so that the water stop screw 6 is more firmly fixed in the concrete.
The implementation principle of the early closing structure for the post-cast strip 2 of the embodiment of the application is as follows: the partial water stop steel plates 7 are pre-buried on the two side outer walls 1 adjacent to the post-cast strip 2, the template 4 additionally provided with the battens 41 and the double steel pipes 42 is fixedly connected with the outer walls 1 through screws on the inner side of the post-cast strip 2, the precast concrete plate 3 pre-buried with the water stop screws 6 is arranged on the outer side of the post-cast strip 2 in a hoisting mode, the precast concrete plate 3 is connected with the template 4 through a water stopping screw 6 which passes through the post-pouring belt 2, a folded edge of a connected water stopping steel plate 7 is tightly propped against a rod body of the water stopping screw 6, waterproof coiled materials 51 are laid on the outer side of the outer wall 1 and the outward side of the precast concrete plate 3, a waterproof protective wall 52 is installed, when rainwater flows in from the outer side to the inner side of the post-cast strip 2, the waterproof protective wall 52, the waterproof coiled material 51, the water stop steel plate 7 and the water stop screw 6 are arranged to block and change the flow path of the incoming rainwater, so that the waterproof effect is achieved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A closure structure in advance for building post-cast strip which characterized in that: the waterproof structure comprises a plurality of outer walls (1), wherein a post-cast strip (2) is arranged between the outer walls (1), a precast concrete plate (3) is arranged on the outer side of the post-cast strip (2), the precast concrete plate (3) is tightly attached to the outer walls (1), a template (4) is arranged on the inner side of the post-cast strip (2), the template (4) is fixedly connected to the outer walls (1), the template (4) and the precast concrete plate (3) are connected through a screw rod penetrating through the post-cast strip (2), the inner side and the outer side of the post-cast strip (2) are sealed, and the precast concrete plate (3) and the outer walls (1) deviate from one sides of the template (4) and are provided with waterproof structures (5).
2. A pre-close structure for a post-cast strip of building according to claim 1, characterised in that: waterproof construction (5) include waterproofing membrane (51) and waterproof protection wall (52), waterproofing membrane (51) are fixed and hug closely in one side of waterproof protection wall (52), waterproofing membrane (51) deviate from one side of waterproof protection wall (52) is fixed and hug closely in precast concrete board (3) with both deviate from outer wall (1) one side of template (4).
3. A pre-close structure for a post-cast strip of building according to claim 1, characterised in that: and the screw rod for connecting the template (4) and the precast concrete plate (3) is a water stop screw rod (6).
4. A pre-close structure for a post-cast strip of building according to claim 3, characterised in that: and a water stop steel plate (7) is arranged in the post-cast strip (2), one side edge of the water stop steel plate (7) is fixedly connected to the outer wall (1), and the other side edge is tightly propped against the water stop screw rod (6).
5. A pre-close structure for a post-cast strip of building according to claim 3, characterised in that: one end of the water stop screw rod (6) is bent into a bent anchor (61), and the bent anchor (61) is embedded in the precast concrete slab (3).
6. A pre-close structure for a post-cast strip of building according to claim 1, characterised in that: be provided with steel reinforcement framework (31) in precast concrete board (3), steel reinforcement framework (31) are double-deck two-way reinforcing bar.
7. A pre-close structure for a post-cast strip of building according to claim 1, characterised in that: the formwork (4) deviates from one side of the outer wall (1) and is fixedly provided with a plurality of battens (41) serving as secondary keels, the battens (41) are arranged at intervals in the same direction, one side of the battens (41) deviating from the formwork (4) is fixedly provided with a plurality of double steel pipes (42) serving as main keels, and the double steel pipes (42) are arranged at intervals in the same direction and are staggered with the battens (41).
8. A pre-close structure for a post-cast strip of building according to claim 1, characterised in that: and a hanging ring (32) is arranged on the precast concrete plate (3).
CN202122238974.1U 2021-09-15 2021-09-15 A enclosed construction in advance for building post-cast strip Active CN216109137U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122238974.1U CN216109137U (en) 2021-09-15 2021-09-15 A enclosed construction in advance for building post-cast strip

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122238974.1U CN216109137U (en) 2021-09-15 2021-09-15 A enclosed construction in advance for building post-cast strip

Publications (1)

Publication Number Publication Date
CN216109137U true CN216109137U (en) 2022-03-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114718111A (en) * 2022-05-10 2022-07-08 成都建工第六建筑工程有限公司 Advanced sealing structure for retaining wall post-cast strip and construction method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114718111A (en) * 2022-05-10 2022-07-08 成都建工第六建筑工程有限公司 Advanced sealing structure for retaining wall post-cast strip and construction method

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