CN112554239A - Basement outer wall post-cast strip construction structure and construction method thereof - Google Patents
Basement outer wall post-cast strip construction structure and construction method thereof Download PDFInfo
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- CN112554239A CN112554239A CN202011497034.8A CN202011497034A CN112554239A CN 112554239 A CN112554239 A CN 112554239A CN 202011497034 A CN202011497034 A CN 202011497034A CN 112554239 A CN112554239 A CN 112554239A
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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
Abstract
The invention discloses a basement outer wall post-cast strip construction structure which comprises cast-in-place concrete, a post-cast strip and a water-resistant plate, wherein a water-stopping screw rod is embedded in the water-resistant plate, an embedded part is embedded in one side, provided with the water-resistant plate, of the end part of the cast-in-place concrete, the embedded part comprises an embedded hook and an embedded plate, the embedded hook is positioned in the cast-in-place concrete, the embedded plate is positioned on the surface of the cast-in-place concrete, angle steel is embedded in two ends of the water-resistant plate, one edge of the angle steel is positioned at the end part of the water-resistant plate, the other edge of the angle steel is positioned on one. The embedded parts are arranged on the cast-in-place concrete, the angle steel is arranged on the water-resistant plate, and the embedded water-stop screw in the water-resistant plate and the inner side are reinforced to form a whole, so that the water-resistant plate is prevented from expanding, and the reserved bolt is extremely convenient and fast to reinforce the inner side plate of the post-cast belt.
Description
Technical Field
The invention belongs to the field of underground building construction, and particularly relates to a basement outer wall post-cast strip construction structure and a construction method thereof.
Background
Underground outer walls of underground garages, residential buildings and the like are provided with post-cast strips, the post-cast strips are usually subjected to concrete pouring after the fertilizer grooves are backfilled, so that the control of the construction quality of the post-cast strips is a great problem, and the post-cast strips are usually subjected to a formwork expansion phenomenon in the previous construction process to break the outer wall in a waterproof manner, so that the leakage of the post-cast strip part of the final outer wall is caused.
The most approximate scheme at present is to make the post-cast strip waterproof board in advance, the waterproof board is made on the spot by adopting concrete, then two reinforcing steel bars are pre-embedded in the concrete waterproof board, then the waterproof board is fixed by welding the pre-embedded reinforcing steel bars and the outer wall reinforcing steel bars, and when the internal post-cast strip template is erected, the bolt is welded with the reinforcing steel bars and then is reinforced.
The shortcoming is pre-buried reinforcing bar on the waterproof board, and the welding of individual reinforcing bar and main part reinforcing bar can cause the damage to the main part reinforcing bar and the welding between two reinforcing bars is not enough to bear the lateral pressure of concrete simultaneously, can lead to the waterproof board to expand, causes the ash that runs, and the waterproof condition of destroying of outer wall leads to leaking at last, and bolt and main part reinforcing bar welding also can lead to the main part reinforcing bar to damage when inboard template was established, causes the quality hidden danger to the structure is unfavorable.
Disclosure of Invention
The invention provides a basement outer wall post-cast strip construction structure and a construction method thereof, which are used for solving the technical problems that a post-cast strip often generates a mould expansion phenomenon to support the outer wall to prevent water and break, so that the leakage of the post-cast strip position of the final outer wall is caused, in the current method, reinforcing steel bars are pre-embedded on a waterproof plate, the welding of the reinforcing steel bars and main reinforcing steel bars can cause damage to the main reinforcing steel bars, meanwhile, the welding between the two reinforcing steel bars is not enough to bear the lateral pressure of concrete, the waterproof plate can expand, the situations of ash leakage and outer wall water prevention damage are caused, water leakage is caused finally, and when an inner side template is erected, the welding of bolts and the main reinforcing steel bars can also cause the main reinforcing steel.
In order to achieve the purpose, the invention adopts the following technical scheme: a basement exterior wall post-cast strip construction structure comprises cast-in-place concrete, a post-cast strip and a water-resistant plate, wherein the post-cast strip is arranged at a reserved position of the cast-in-place concrete, the water-resistant plate is arranged on the post-cast strip and the cast-in-place concrete at two ends in a fitting manner, a water-stopping screw is pre-embedded in the water-resistant plate, one part of the water-stopping screw is pre-embedded in the water-resistant plate, the other part of the water-stopping screw penetrates out of the post-cast strip, a multi-layer plate, a main keel and a secondary keel are arranged at the other side of the post-cast strip, the water-stopping screw penetrates through the multi-layer plate, the main keel and the secondary keel and is fastened through nuts, a pre-embedded part is pre-embedded at one side of the water-resistant plate at the end of the cast-in-cast concrete, the pre-embedded hook is positioned in the cast-in-, the angle steel is welded on the embedded part.
Through adopting above-mentioned technical scheme, set up the built-in fitting on the cast in situ concrete, set up the angle steel on water-resistant board, and pre-buried stagnant water screw rod forms a whole with inboard reinforcement in water-resistant board, both prevent water-resistant board mould that rises, and reserve the very big convenient reinforcement of post-cast strip inside template of bolt, compared with the prior art, the advantage lies in, this construction method can avoid the post-cast strip to take place to rise the waterproof condition of destroying of mould when concrete placement, and the very big reinforcement of post-cast strip inside template that has made things convenient for, do not weld with the main part reinforcing bar, do not cause the influence to the major structure.
Preferably, the angle steel is welded with the steel bars of the water-resistant plate.
Through adopting above-mentioned technical scheme, the pre-buried stable in structure of angle steel is firm.
Preferably, an additional waterproof layer is laid on the outer side of the water-resistant plate, covers the water-resistant plate and partially covers cast-in-place concrete.
Through adopting above-mentioned technical scheme, further increase the effect that blocks water.
Preferably, one end of the water stop screw rod, which is positioned on the water-resistant plate, is vertically and fixedly connected with a steel plate
Through adopting above-mentioned technical scheme, guarantee stagnant water screw rod embedded structure's stability.
Preferably, the end part of the cast-in-place concrete is embedded with a water-stopping steel sheet, one part of the water-stopping steel sheet is positioned in the cast-in-place concrete, and the other part of the water-stopping steel sheet is positioned in the post-cast strip.
Through adopting above-mentioned technical scheme, guarantee that the effect of blocking water between post-cast strip and cast in situ concrete is better.
Preferably, two ends of one side of the water-resistant plate, which is far away from the post-cast strip, are respectively provided with a chamfer structure.
By adopting the technical scheme, the subsequent waterproof layer can be conveniently laid.
Preferably, the concrete structure of the post-cast strip is one grade higher than that of cast-in-place concrete.
Through adopting above-mentioned technical scheme, the post-cast strip structure is stable to realize overall structure is stable.
Preferably, the water-resistant plate is C20 fine-stone concrete.
Through adopting above-mentioned technical scheme, the structural strength of water-resistant board is better.
Preferably, the width of the post-cast strip is 1000mm, the width of the water-resistant plate is 1400mm, the thickness of the water-resistant plate is 80mm, the embedded plate is 200 × 200m, the length of the embedded hook is 160mm, and the angle steel is L30X3X 4.
Through adopting above-mentioned technical scheme, it is reasonable to measure-size, stable in structure.
A construction method of a basement exterior wall post-cast strip construction structure comprises the following steps,
step one, casting a cast-in-place area: a water stop steel plate is embedded at the end part of a reserved post-cast strip in the cast-in-place area, and an embedded part is arranged on one side of the cast-in-place area facing the water surface;
step two, manufacturing a water-resistant plate: chamfering two end parts close to the outer side part, pouring C20 concrete, embedding 3 water stop screws in the water resistant plate, and embedding angle steel at the end part of the water resistant plate;
step three, installing a water-resistant plate: the water-resistant plate is arranged at the position of the post-cast strip, the water-resistant screw penetrates through the area of the post-cast strip, the multilayer plate, the main keel and the secondary keel are arranged, and the nut is adopted for fixing.
Step four, finishing the pouring preparation work of the post-pouring strip: and (3) plastering the splayed corner part by adopting cement mortar, repairing the abutted seam part by adopting the cement mortar, then manufacturing a waterproof additional layer on the waterproof plate after the mortar is solidified, and then performing outer wall waterproof construction.
Through adopting above-mentioned technical scheme, set up the built-in fitting on the cast in situ concrete, set up the angle steel on water-resistant board, and pre-buried stagnant water screw rod forms a whole with inboard reinforcement in water-resistant board, both prevent water-resistant board mould that rises, and reserve the very big convenient reinforcement of post-cast strip inside template of bolt, compared with the prior art, the advantage lies in, this construction method can avoid the post-cast strip to take place to rise the waterproof condition of destroying of mould when concrete placement, and the very big reinforcement of post-cast strip inside template that has made things convenient for, do not weld with the main part reinforcing bar, do not cause the influence to the major structure.
The invention has the beneficial effects that: set up the built-in fitting on the cast in situ concrete, set up the angle steel on water-resistant board, and the pre-buried stagnant water screw rod forms a whole with inboard reinforcement in water-resistant board, both prevent water-resistant board mould that rises, and reserve the very big convenient reinforcement of post-cast strip inside form board of bolt, compared with the prior art, the advantage lies in, this construction method can avoid the post-cast strip to take place to rise the waterproof condition of destruction of mould when concrete placement, and the very big reinforcement of post-cast strip inside form board that has made things convenient for, do not weld with the main part reinforcing bar, do not cause the influence to the major structure.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention; the primary objects and other advantages of the invention may be realized and attained by the instrumentalities particularly pointed out in the specification.
Drawings
FIG. 1 is a schematic view of the overall construction structure of an embodiment of the present invention;
FIG. 2 is a front view of an embedment of an embodiment of the invention;
FIG. 3 is a side view of an embedment of an embodiment of the invention;
FIG. 4 is a connecting view of angle iron according to the embodiment of the present invention;
fig. 5 is a water stop screw mounting diagram of the embodiment of the invention.
Reference numerals: 1. casting concrete in situ; 2. post-pouring a belt; 3. a water-resistant plate; 4. a water stop screw rod; 5. a multilayer board; 6. a main keel; 7. a secondary keel; 8. a nut; 9. embedding parts; 10. pre-burying a hook; 11. pre-burying a plate; 12. angle steel; 13. reinforcing steel bars; 14. adding a waterproof layer; 15. a steel plate; 16. a water-stopping steel sheet; 17. and (5) chamfering structure.
Detailed Description
The technical solutions of the present invention are described in detail below by examples, and the following examples are only exemplary and can be used only for explaining and illustrating the technical solutions of the present invention, but not construed as limiting the technical solutions of the present invention.
Referring to fig. 1, a basement exterior wall post-cast strip construction structure comprises a cast-in-place concrete 1, a post-cast strip 2 and a water-resistant plate 3, wherein the post-cast strip 2 is arranged at a reserved position of the cast-in-place concrete 1, the water-resistant plate 3 is arranged on the post-cast strip 2 and the cast-in-place concrete 1 at two ends in a fitting manner, a water-stopping screw 4 is pre-embedded in the water-resistant plate 3, one part of the water-stopping screw 4 is pre-embedded in the water-resistant plate 3, the other part of the water-stopping screw penetrates out of the post-cast strip 2, a multi-layer plate 5, a main keel 6 and a secondary keel 7 are arranged at the other side of the post-cast strip 2, the water-stopping screw 4 penetrates through the multi-layer plate 5, the main keel 6 and the secondary keel 7 and is fastened through a nut 8, a pre-embedded part 9 is arranged at one side of the water-resistant plate 3 at the end of the cast, the two ends of the water-resistant plate 3 are embedded with angle steel 12, one side of the angle steel 12 is positioned at the end part of the water-resistant plate 3, the other side of the angle steel 12 is positioned at one side of the water-resistant plate 3 close to the cast-in-place concrete 1, and the angle steel 12 is welded on the embedded part 9.
Set up built-in fitting 9 on cast in situ concrete 1, set up angle steel 12 on water-resistant plate 3, and pre-buried stagnant water screw rod 4 forms a whole with inboard reinforcement in water-resistant plate 3, both prevent water-resistant plate 3 and expand the mould, and reserve the very big convenient reinforcement of the inboard template of post-cast strip 2 of bolt, compared with the prior art, the advantage lies in, this construction method can avoid post-cast strip 2 to take place to expand the waterproof condition of mould when concrete placement, and the very big convenient reinforcement of the inboard template of post-cast strip 2, do not weld with main part reinforcing bar 13, do not cause the influence to the major structure.
As shown in figure 4, the angle steel 12 is welded with the steel bars 13 of the water-resistant plate 3, and the embedded structure of the angle steel 12 is stable and firm. An additional waterproof layer 14 is laid on the outer side of the water-resistant plate 3, the additional waterproof layer 14 covers the water-resistant plate 3, and a part of the additional waterproof layer 14 covers the cast-in-place concrete 1, so that the water-blocking effect is further improved.
As shown in fig. 5, the water stop screw 4 is vertically and fixedly connected with the steel plate 15 at one end of the water-resistant plate 3, so as to ensure the stability of the embedded structure of the water stop screw 4. The end part of the cast-in-place concrete 1 is embedded with the water-stopping steel sheet 16, one part of the water-stopping steel sheet 16 is positioned in the cast-in-place concrete 1, and the other part is positioned in the post-cast strip 2, so that the water-stopping effect between the post-cast strip 2 and the cast-in-place concrete 1 is better.
The two ends of one side of the water-resistant plate 3, which is far away from the post-cast strip 2, are respectively provided with a chamfer structure 17, so that the subsequent waterproof layer can be conveniently laid. The concrete structure of the post-cast strip 2 is one grade higher than that of the cast-in-place concrete 1, and the post-cast strip 2 is stable in structure, so that the overall structure is stable. The water-resistant plate 3 is C20 fine-stone concrete, and the structural strength of the water-resistant plate 3 is better.
The width of post-cast strip 2 is 1000mm, and the width of water-resistant plate 3 is 1400mm, and the thickness is 80mm, and pre-buried board 11 is 200X 200m, and pre-buried crotch 10 is long 160mm, and angle steel 12 is L30X3X4, and is reasonable in size, stable in structure.
A construction method of a basement exterior wall post-cast strip construction structure comprises the following steps,
step one, casting a cast-in-place area: the end part of the post-cast strip 2 in the cast-in-place area is pre-embedded with a water stop steel plate 15, and one side of the cast-in-place area facing the water surface is provided with an embedded part 9;
step two, manufacturing the water-resistant plate 3: chamfering two end parts close to the outer side part, pouring by adopting C20 concrete, pre-burying 3 water stop screws 4 in the water resistant plate 3, and pre-burying angle steel 12 at the end part of the water resistant plate 3;
step three, installing a water-resistant plate 3: install the 2 positions in post-cast strip with water resisting board 3, water stop screw 4 passes 2 regions in post-cast strip, arranges multiply wood 5, main joist 6, secondary joist 7, adopts nut 8 to fix.
Step four, finishing pouring preparation work of the post-pouring strip 2: and (3) plastering the splayed corner parts by adopting cement mortar, repairing the abutted seam parts by adopting the cement mortar, then manufacturing a waterproof additional layer on the waterproof plate 3 after the mortar is solidified, and then performing outer wall waterproof construction.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that may be made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a basement outer wall post-cast strip construction structures which characterized in that: the water-stop composite plate comprises cast-in-place concrete (1), a post-cast strip (2) and water-resistant plates (3), wherein the post-cast strip (2) is arranged at a reserved position of the cast-in-place concrete (1), the water-resistant plates (3) are arranged on the post-cast strip (2) and the cast-in-place concrete (1) at two ends in a fitting manner, water-stop screws (4) are embedded in the water-resistant plates (3), one part of each water-stop screw (4) is embedded in each water-resistant plate (3), the other part of each water-resistant plate penetrates out of the post-cast strip (2), a multilayer plate (5), a main keel (6) and a secondary keel (7) are arranged on the other side of the post-cast strip (2), the water-stop screws (4) penetrate through the multilayer plates (5), the main keel (6) and the secondary keel (7) and then are fastened through nuts (8), an embedded part (9) is arranged on one side, provided with the water-resistant, the embedded hook (10) is located in the cast-in-place concrete (1), the embedded plate (11) is located on the surface of the cast-in-place concrete (1), angle steel (12) is embedded in two ends of the water-resistant plate (3), one side of each angle steel (12) is located at the end of the water-resistant plate (3), the other side of each angle steel (12) is located on one side, close to the cast-in-place concrete (1), of the water-resistant plate (3), and the angle steel (12) is connected to the embedded part (9) in a welded mode.
2. The basement exterior wall post-cast strip construction structure of claim 1, characterized in that: the angle steel (12) is connected with a steel bar (13) of the water-resistant plate (3) in a welding mode.
3. The basement exterior wall post-cast strip construction structure of claim 1, characterized in that: an additional waterproof layer (14) is laid on the outer side of the water-resistant plate (3), the additional waterproof layer (14) covers the water-resistant plate (3), and one part of the additional waterproof layer covers the cast-in-place concrete (1).
4. The basement exterior wall post-cast strip construction structure of claim 1, characterized in that: and one end of the water stop screw rod (4) positioned on the water resisting plate (3) is vertically and fixedly connected with a steel plate (15).
5. The basement exterior wall post-cast strip construction structure of claim 1, characterized in that: the end part of the cast-in-place concrete (1) is embedded with a water-stopping steel sheet (16), one part of the water-stopping steel sheet (16) is positioned in the cast-in-place concrete (1), and the other part is positioned in the post-cast strip (2).
6. The basement exterior wall post-cast strip construction structure of claim 1, characterized in that: and two ends of one side of the water-resistant plate (3) far away from the post-cast strip (2) are respectively provided with a chamfer structure (17).
7. The basement exterior wall post-cast strip construction structure of claim 1, characterized in that: the concrete structure of the post-cast strip (2) is one grade higher than that of the cast-in-place concrete (1).
8. The basement exterior wall post-cast strip construction structure of claim 1, characterized in that: the water-resistant plate (3) is C20 fine-stone concrete.
9. The basement exterior wall post-cast strip construction structure of claim 1, characterized in that: the width of the post-cast strip (2) is 1000mm, the width of the water-resistant plate (3) is 1400mm, the thickness of the water-resistant plate is 80mm, the length of the pre-embedded plate (11) is 200X 200m, the length of the pre-embedded hook (10) is 160mm, and the angle steel (12) is L30X3X 4.
10. The construction method of the basement exterior wall post-cast strip construction structure according to any one of claims 1 to 9, characterized in that: comprises the following steps of (a) carrying out,
step one, casting a cast-in-place area: a water stop steel plate (15) is embedded in the end part of a reserved post-cast strip (2) of the cast-in-place area, and an embedded part (9) is arranged on one side of the cast-in-place area facing the water surface;
step two, manufacturing a water-resistant plate (3): chamfering two end parts close to the outer side part, pouring C20 concrete, pre-burying 3 water stop screws (4) in the water resistant plate (3), and pre-burying angle steel (12) at the end part of the water resistant plate (3);
step three, installing a water-resistant plate (3): the water-resisting plate (3) is arranged at the position of the post-cast strip (2), the water-stopping screw (4) penetrates through the area of the post-cast strip (2), the multilayer plate (5), the main keel (6) and the secondary keel (7) are arranged, and the multilayer plate, the main keel and the secondary keel are fixed by nuts (8);
step four, finishing pouring preparation work of the post-pouring belt (2): and (3) plastering splayed parts by adopting cement mortar at the corner cutting parts, repairing the abutted seam parts by adopting the cement mortar, then making a waterproof additional layer on the water-resistant plate (3) after the mortar is solidified, and then performing outer wall waterproof construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011497034.8A CN112554239A (en) | 2020-12-17 | 2020-12-17 | Basement outer wall post-cast strip construction structure and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011497034.8A CN112554239A (en) | 2020-12-17 | 2020-12-17 | Basement outer wall post-cast strip construction structure and construction method thereof |
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| CN112554239A true CN112554239A (en) | 2021-03-26 |
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| CN202011497034.8A Pending CN112554239A (en) | 2020-12-17 | 2020-12-17 | Basement outer wall post-cast strip construction structure and construction method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN115045402A (en) * | 2022-05-29 | 2022-09-13 | 五冶集团上海有限公司 | Method for sealing mold in advance of outer wall post-cast strip |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203755352U (en) * | 2014-02-28 | 2014-08-06 | 中国建筑第五工程局有限公司广州分公司 | Prefabricated slab for closing basement post-pouring settlement belt |
| CN205296388U (en) * | 2015-12-28 | 2016-06-08 | 中建八局第二建设有限公司 | Apron is sealed to garage wall post -cast strip |
| CN205713078U (en) * | 2016-06-15 | 2016-11-23 | 中建八局第二建设有限公司 | A kind of outer wall of basement vertical post-cast strip side mold device |
-
2020
- 2020-12-17 CN CN202011497034.8A patent/CN112554239A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203755352U (en) * | 2014-02-28 | 2014-08-06 | 中国建筑第五工程局有限公司广州分公司 | Prefabricated slab for closing basement post-pouring settlement belt |
| CN205296388U (en) * | 2015-12-28 | 2016-06-08 | 中建八局第二建设有限公司 | Apron is sealed to garage wall post -cast strip |
| CN205713078U (en) * | 2016-06-15 | 2016-11-23 | 中建八局第二建设有限公司 | A kind of outer wall of basement vertical post-cast strip side mold device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113047460B (en) * | 2021-03-29 | 2023-02-03 | 中信国安建工集团有限公司 | Post-cast strip structure and construction method |
| CN115045402A (en) * | 2022-05-29 | 2022-09-13 | 五冶集团上海有限公司 | Method for sealing mold in advance of outer wall post-cast strip |
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