Environment-friendly plugging device for post-cast strip of underground outer wall

Abstract

The utility model discloses an environment-friendly plugging device for an underground outer wall post-cast strip and belongs to the technical field of structural construction post-cast strips. Which comprises pouring formworks which are arranged at intervals, spaced walls (4) are formed in the pouring formworks in a pouring mode, a post-pouring belt (10) is arranged between the spaced walls (4), and plugging pieces are arranged on the front portion and the rear portion of the post-pouring belt (10) respectively, and is characterized in that reinforcing meshes are arranged on the inner sides of the pouring formworks on the two sides respectively, the reinforcing meshes are embedded in the walls (4), and each plugging piece comprises a front plugging plate (7) and a rear plugging plate (5); and the front plugging plate (7) and the reinforcing mesh are hooked, bound and fixed. In the underground outer wall post-cast strip environment-friendly plugging device, a prefabricated plate is replaced by the plugging piece, integrated synchronous installation with a wall body is achieved, independent supporting and reinforcing are not needed, the operation procedure is simplified, the construction efficiency is improved, basement outer wall waterproofing, earthwork backfilling and other work can be smoothly carried out in advance, and potential safety hazards such as a field foundation pit are eliminated; and meanwhile, inconvenience caused by indoor formwork erecting is reduced.

Description

TECHNICAL FIELD

[0001] The underground outer wall post-cast strip environment-friendly plugging device belongs to the technical field of post-cast strips of structures. BACKGROUND

[0002] Post-cast strip construction of outer walls is an important part of basement closure. In general, the post-cast strip construction of settlement of construction projects needs to be poured after the main structure is completed and the settlement is basically stable, which requires a long waiting time. In particular, the post-cast strip of the basement outer wall position affects the waterproofing of the peripheral underground structure and the interpenetration construction of the backfill process, and often needs to be performed after the main structure is completed, which greatly affects the project progress and construction period.

[0003] The current traditional and conventional technology is to use prefabricated sealing plates for plugging after the basement outer wall formwork is removed. For example, the technical solution disclosed in the Chinese invention patent with the application number 201510652115.3, the application date of October 10, 2015, and the patent name of "underground basement roof settlement post-cast strip early closure structure"; the technical solution disclosed in the Chinese invention patent with the application number 202110857006.0, the application date of July 28, 2021, and the patent name of "underground basement roof settlement post-cast strip construction method"; the technical solution disclosed in the Chinese invention patent with the application number 202210686754.1, the application date of June 17, 2022, and the patent name of "underground basement outer wall post-cast strip early closure structure and construction method"; and the technical solution disclosed in the Chinese invention patent with the application number 202410880736.6, the application date of July 2, 2024, and the patent name of "underground basement outer wall post-cast strip and raft post-cast strip early closure and pouring method". However, from the actual construction and actual effect on site, the common problems of using prefabricated parts for construction are: 1) too many procedures, prefabricated parts involve steel bars, formworks, concrete, transportation, installation, caulking, fixing treatment and many other procedures, which are too complicated; 2) large labor cost; large material investment, not economical; 3) prefabricated sealing plates need to occupy a certain work site, which has a certain impact on the normal production of small site projects; 4) inconvenient to install, slow construction speed.

[0004] With the continuous progress of construction technology, some post-cast strip construction schemes of outer walls that omit prefabricated parts have appeared in the prior art, such as the technical solution disclosed in the Chinese invention patent with the application number 202410465883.7, the application date of April 18, 2024, and the patent name of "underground basement outer wall settlement post-cast strip closure structure and construction method".

[0005] The applicant of the present application hopes to design a brand new technical solution to realize the construction of the post-pouring belt without using prefabricated parts, so as to simplify the operation process, improve the construction efficiency, enable the waterproofing of the basement outer wall, the earthwork backfilling and the like to be carried out in advance, eliminate the safety hidden troubles of the site foundation pit and the like, reduce the inconvenience caused by indoor formwork erection, and provide convenience for the project progress, site safety and civilization, construction quality and the like. Content of the utility model

[0006] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art, provide an underground outer wall post-pouring belt environmental protection plugging device which replaces the prefabricated plate with a plugging part, realizes integrated and synchronous installation with the wall body, does not need to be separately supported and reinforced, simplifies the operation process, improves the construction efficiency, enables the waterproofing of the basement outer wall, the earthwork backfilling and the like to be carried out in advance, and eliminates the safety hidden troubles of the site foundation pit and the like.

[0007] The technical solution adopted by the utility model to solve the technical problem is that the underground outer wall post-pouring belt environmental protection plugging device comprises spaced pouring molds, the pouring molds are used to form spaced wall bodies by pouring in the pouring molds, the wall bodies are spaced, and the wall bodies are used to form post-pouring belts between the wall bodies; the plugging parts are arranged in front of and behind the post-pouring belts; and the underground outer wall post-pouring belt environmental protection plugging device is characterized in that: steel mesh is arranged on the inner side of the pouring mold on each side; the steel mesh is embedded in the wall body; the plugging part comprises a front plugging plate and a rear plugging plate; the front plugging plate is hung and fixed with the steel mesh.

[0008] Preferably, the front plugging plate penetrates the post-pouring belt and is hung and fixed with the steel mesh on the opposite side.

[0009] Preferably, the front plugging plate comprises a front plate body, two groups of pull rods for being hung with the steel mesh are arranged at the edges on both sides of the front plate body, and the pull rods on both sides are all arranged with a plurality of pull rods in the height direction of the front plate body.

[0010] Preferably, a protruding part is formed by protruding in the middle of the front plate body, the protruding part protrudes away from the side of the post-pouring belt; and the pull rods are arranged on both sides of the protruding part.

[0011] Preferably, the rear plugging plate comprises a rear plate body, a plurality of reinforcing angle steels are arranged on the surface of the rear plate body away from the post-pouring belt, and the reinforcing angle steels are fixed with the wall body through fixing bolts on both sides of each reinforcing angle steel.

[0012] Preferably, a pre-embedded part is embedded in the wall body, and the pre-embedded part corresponds to the fixing bolt in a one-to-one manner.

[0013] Preferably, the pre-embedded part comprises a pre-embedded cylinder, the pre-embedded cylinder is a closed cylinder, a protrusion is arranged on the end of the pre-embedded cylinder away from the opening, and a fastening nut for being threadedly connected with the fixing bolt is fixed in the protrusion.

[0014] Preferably, the reinforcing mesh comprises a plurality of vertical reinforcing bars arranged in sequence along the arrangement direction of the wall body, and a plurality of horizontal reinforcing bars arranged perpendicularly on the inner side of the vertical reinforcing bars, the horizontal reinforcing bars being arranged along the height direction of the wall body.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] In the basement outer wall post-cast strip environment-friendly plugging device, the prefabricated plate is replaced by the plugging piece, synchronous installation with the wall body is realized, separate support and reinforcement are not needed, the operation process is simplified, the construction efficiency is improved, the basement outer wall waterproofing, earthwork backfilling and other work can be carried out smoothly in advance, the safety hidden trouble problems such as the site foundation pit are eliminated, and the inconvenience caused by indoor formwork erection is reduced.

[0017] In the basement outer wall post-cast strip environment-friendly plugging device, the plugging piece is integrally processed and formed, the inner plugging plate and the outer plugging plate are used for plugging on the outer side of the post-cast strip during the construction of the basement main structure; the detachable fastening bolt is pre-buried on the inner side to replace the original wooden mold and the frame body formwork, and is not affected by the formwork removal and does not occupy the indoor space. In addition, effective reinforcement measures are adopted on the inner side and the outer side, the vertical post-cast strip forming quality is guaranteed, the wall body thickness is guaranteed, the impermeability effect is improved, and the construction period is shortened

[0018] The basement outer wall post-cast strip environment-friendly plugging device is fixed with the wall body steel bars through the two side fixed steel hooks before the construction of the two side cast-in-place walls, then the plugging plate is fixedly connected with the wall body through cast-in-place concrete, secondary connection and reinforcement are not needed in the later period, and waterproofing and subsequent operation can be directly carried out after the formwork removal on the outer side of the wall body. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front side structure schematic view of the basement outer wall post-cast strip environment-friendly plugging device.

[0020] Figure 2 It is a front side structure schematic view of the basement outer wall post-cast strip environment-friendly plugging device.

[0021] Figure 3 It is a rear side structure schematic view of the basement outer wall post-cast strip environment-friendly plugging device after part of the pouring formwork is omitted.

[0022] Figure 4 It is a rear side structure schematic view of the basement outer wall post-cast strip environment-friendly plugging device after the pouring formwork is omitted.

[0023] Figure 5 It is a front plugging plate structure schematic view of the basement outer wall post-cast strip environment-friendly plugging device.

[0024] Figure 6 It is a rear plugging plate structure schematic view of the basement outer wall post-cast strip environment-friendly plugging device.

[0025] Figure 7 This is a cross-sectional view of the embedded parts for the environmental protection sealing device of the post-pouring strip of the underground exterior wall.

[0026] Figure 8 A schematic diagram of the construction of an environmentally friendly sealing device for the post-cast strip of underground exterior walls.

[0027] The components include: 1. Secondary ribs; 2. Vertical reinforcing bars; 3. Horizontal reinforcing bars; 4. Wall; 5. Rear sealing plate; 6. Waterstop plate; 7. Front sealing plate; 8. External wall formwork; 9. Main ribs; 10. Post-pouring strip; 11. Front plate; 12. Tie rods; 13. Embedded parts; 14. Reinforcing angle steel; 15. Rear plate; 16. Fastening bolts; 17. Embedded cylinders; 18. Protrusions; 19. Fastening nuts; 20. Insulation layer; 21. Waterproof reinforcement layer; 22. External waterproof layer; 23. Protective wall; 24. Backfill material. Detailed Implementation

[0028] Figures 1-8 This is the preferred embodiment of the present invention, which is described below in conjunction with the appendix. Figures 1-8 The present invention will be further described below.

[0029] like Figures 1-3 As shown, an environmentally friendly sealing device for post-cast strips in underground exterior walls includes a casting template, a steel mesh on the inner side of the casting template, and a post-cast strip 10 between two wall sections 4 formed by casting relative to each other inside the casting template.

[0030] A layer of steel mesh is arranged on the front and back sides of the wall 4. Each layer of steel mesh includes vertical steel bars 2 and horizontal steel bars 3 cast in the wall 4. The horizontal steel bars 3 penetrate the wall 4 and the post-cast strip 10. There are multiple horizontal steel bars 3 arranged along the height direction of the wall 4. The vertical steel bars 2 are set vertically inside the corresponding multiple horizontal steel bars 3 along the length direction of the horizontal steel bars 3.

[0031] The arrangement of the casting formwork is the same as in existing technology, including two layers of external wall formwork 8 spaced apart, with the wall 4 cast between the external wall formwork 8. Several secondary ribs 1 are arranged sequentially along the direction of the wall 4 on the outer side of each layer of external wall formwork 8. The secondary ribs 1 are vertically arranged, and several main ribs 9 are also arranged vertically on the outer side of the secondary ribs 1, all along the height direction of the wall 4. The fixing method of the casting formwork on both sides of the wall is achieved using existing technology (such as tie bolts), which will not be described in detail here.

[0032] A water stop plate 6 is arranged on each side of the post-pouring belt 10, and the two water stop plates 6 are positioned before pouring the wall body 4 and are poured inside the wall body 4 during the pouring process of the wall body 4. A front sealing plate 7 and a rear sealing plate 5 are arranged on the front side and the rear side of the post-pouring belt 10, respectively, and the front sealing plate 7 and the rear sealing plate 5 are located at the front port and the rear port of the post-pouring belt 10, respectively, and the front sealing plate 7 and the rear sealing plate 5 are arranged along the height direction of the wall body 4.

[0033] As shown in Figure 5 , the front sealing plate 5 includes a front plate body 11 arranged vertically, a protruding portion is formed in the middle of the front plate body 11, and the two sides of the protruding portion are the fitting portions of the front plate body 11. When the front sealing plate 5 is arranged at the post-pouring belt 10, the protruding portion of the front plate body 11 is arranged away from the post-pouring belt 10, and the fitting portions on both sides are respectively fitted with the two wall bodies 4. The width of the fitting portion is greater than or equal to 10 cm, and the protruding thickness between the protruding portion and the fitting portion is greater than or equal to 5 cm.

[0034] A pull rod 12 is arranged on the surface of the fitting portion on both sides of the front plate body 11, and a plurality of pull rods 12 are arranged along the height direction of the front plate body 11 in each layer. When the front sealing plate 7 is arranged, the front plate body 11 is located on the front side of the wall body 4, the pull rods 12 on both sides of the front plate body 11 extend to the rear side of the wall body 4, and are hung on the horizontal steel bars 3 in the rear side of the steel mesh, as shown in the state of Figure 4 .

[0035] As shown in Figure 6 , the rear sealing plate 5 includes a rear plate body 15 arranged vertically, and a plurality of reinforcing angle steels 14 are arranged on the side of the rear plate body 15 away from the post-pouring belt 10. The reinforcing angle steels 14 are arranged horizontally, and all the reinforcing angle steels 11 are arranged at intervals along the height direction of the rear plate body 15.

[0036] A pre-buried piece 13 is arranged at the two ends of each reinforcing angle steel 14, the pre-buried piece 13 is fixed before pouring the wall body 4, and is pre-buried in the wall body 4 after the pouring of the wall body 4 is completed. In combination with Figure 7 , the pre-buried piece 13 includes a pre-buried cylinder 17, which is a closed cylinder, a protrusion 18 is arranged at the end of the pre-buried cylinder 17 away from the opening, and a fastening nut 19 is fixed in the protrusion 18.

[0037] After the pouring of the wall body 4 is completed, one end of the protrusion 18 is pre-buried in the wall body 4, and the port of the pre-buried cylinder 17 protrudes from the surface of the wall body 4. When the rear plate body 15 is fixed, the rear plate body 15 is arranged at the post-pouring belt 10, and the fastening bolts 16 corresponding to the pre-buried cylinders 17 are passed through the reinforcing angle steels 14 and the rear plate body 15 and then enter the corresponding pre-buried cylinders 17, the inner ends of the fastening bolts 16 are screwed with the fastening nuts 19 in the pre-buried cylinders 17, and the rear plate body 15 is fixed on the surface of the wall body 4.

[0038] The specific construction process is as follows:

[0039] First, the back plugging plate 5 and the front plugging plate 7 are processed according to the design drawing. The vertical steel bars 2, the horizontal steel bars 3 and the water stop plate 6 are arranged according to the design drawing, and the shuttering steel wire mesh is installed. The front plugging plate 5 is arranged, and is fixed with the horizontal steel bars 3 on the opposite side through the pull rod 12 on the surface of the front plugging plate 5, and then the embedded part 17 is arranged according to the design drawing.

[0040] The pouring formwork composed of the outer wall formwork 8, the secondary beam 1 and the main beam 9 is arranged on both sides of the wall body 4. When the pouring formwork is arranged, the outer wall formwork 8 is arranged at the protruding part of the front plugging plate 7, and the main beam 9 penetrates through the front plugging plate to reinforce the front plugging plate. After the pouring formwork is arranged, pouring is carried out in the pouring formwork to form the wall body 4 on both sides, and the post-pouring belt 10 is formed.

[0041] After the wall body 4 reaches the condition of removing the formwork, the pouring formwork on both sides of the wall body 4 is removed, and the fixing quality of the front plugging plate 7 is checked, and then the back plugging plate 5 is fixed through the fastening bolt 16. After the outer wall is cleaned, the peripheral waterproof layer 22 is constructed, and the waterproof reinforcing layer 21 is supplemented and constructed at the back plugging plate 5. After the waterproof construction is completed, the heat preservation layer 20 and the protection wall 23 are constructed, and after the acceptance is qualified, the backfilling material 24 is used for the peripheral backfilling of the foundation pit.

[0042] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to obtain equivalent embodiments. However, any simple modification, equivalent change and modification of the above embodiments without departing from the technical scheme of the present application, and according to the technical essence of the present application, still belongs to the protection scope of the present application.

Claims

1. An underground exterior wall post-cast strip environment-friendly blocking device, comprising spaced cast formworks, spaced wall bodies (4) formed by casting in the cast formworks, and post-cast strips (10) between the spaced wall bodies (4), and blocking members arranged in front of and behind the post-cast strips (10) respectively, characterized in that: the cast formworks are arranged in a staggered manner, and the post-cast strips (10) are arranged in a staggered manner. The steel bar net is arranged on the inner side of the two side pouring formworks, and is embedded in the wall body (4).

2. The underground exterior wall post-cast strip environment-friendly blocking device according to claim 1, characterized in that: The front blocking plate (7) penetrates the post-pouring belt (10) and is hung and fixed with the steel bar net on the opposite side.

3. The underground exterior wall post-cast strip environment-friendly blocking device according to claim 1 or 2, characterized in that: The front blocking plate (7) comprises a front plate body (11), and two groups of pull rods (12) for binding with the steel bar net are arranged at the edges of the two sides of the front plate body (11).

4. The underground exterior wall post-cast strip environment-friendly blocking device according to claim 3, characterized in that: A plurality of pull rods (12) are arranged on the two sides of the front plate body (11) in the height direction of the front plate body (11).

5. The underground exterior wall post-cast strip environment-friendly blocking device according to claim 1, characterized in that: The protruding portion protrudes away from the side of the post-pouring belt (10).

6. The underground exterior wall post-cast strip environment-friendly blocking device according to claim 5, characterized in that: The rear blocking plate (5) comprises a rear plate body (15), and a plurality of reinforcing angle steels (14) are arranged on the surface of the rear plate body (15) away from the post-pouring belt (10).

7. The underground exterior wall post-cast strip environment-friendly blocking device according to claim 6, characterized in that: The reinforcing angle steels (14) are fixed with the wall body (4) through fastening bolts (16) on the two sides of each reinforcing angle steel (14).

8. The underground exterior wall post-cast strip environment-friendly blocking device according to claim 1, characterized in that: The embedded part (13) is embedded in the wall body (4) and corresponds to the fastening bolt (16) one by one. The embedded part (13) comprises an embedded cylinder (17), and the embedded cylinder (17) is a closed cylinder. The protruding portion protrudes away from the side of the post-pouring belt (10). The reinforcing angle steels (14) are fixed with the wall body (4) through fastening bolts (16) on the two sides of each reinforcing angle steel (14). The embedded part (13) is embedded in the wall body (4) and corresponds to the fastening bolt (16) one by one. The embedded part (13) comprises an embedded cylinder (17), and the embedded cylinder (17) is a closed cylinder. The protruding portion protrudes away from the side of the post-pouring belt (10). The reinforcing angle steels (14) are fixed with the wall body (4) through fastening bolts (16) on the two sides of each reinforcing angle steel (14). The embedded part (13) is embedded in the wall body (4) and corresponds to the fastening bolt (16) one by one. The embedded part (13) comprises an embedded cylinder (17), and the embedded cylinder (17) is a closed cylinder. The protruding portion protrudes away from the side of the post-pouring belt (10). The reinforcing angle steels (14) are fixed with the wall body (4) through fastening bolts (16) on the two sides of each reinforcing angle steel (14). The embedded part (13) is embedded in the wall body (4) and corresponds to the fastening bolt (16) one by one. The embedded part (13) comprises an embedded cylinder (17), and the embedded cylinder (17) is a closed cylinder. The protruding portion protrudes away from the side of the post-pouring belt (10). The reinforcing angle steels (14) are fixed with the wall body (4) through fastening bolts (16) on the two sides of each reinforcing angle steel (14). The embedded part (13) is embedded in the wall body (4) and corresponds to the fastening bolt (16) one by one. The embedded part (13) comprises an embedded cylinder (17), and the embedded cylinder (17) is a closed cylinder. The protruding portion protrudes away from the side of the post-pouring belt (10). The reinforcing angle steels (14) are fixed with the wall body (4) through fastening bolts (16) on the two sides of each reinforcing angle steel (14). The embedded part (13) is embedded in the wall body (4) and corresponds to the fastening bolt (16) one by one. The embedded part (13) comprises an embedded cylinder (17), and the embedded cylinder (17) is a closed cylinder. The protruding portion protrudes away from the side of the post-pouring belt (10). The reinforcing angle steels (14) are fixed with the wall body (4) through fastening bolts (16) on the two sides of each reinforcing angle steel (14). The embedded part (13) is embedded in the wall body (4) and corresponds to the fastening bolt (16) one by one. The embedded part (13) comprises an embedded cylinder (17), and the embedded cylinder (17) is a closed cylinder. The protruding portion protrudes away from the side of the post-pouring belt (10). The reinforcing angle steels (14) are fixed with the wall

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