CN117738339A - Concrete basement outer wall crack induction structure and construction method thereof - Google Patents
Concrete basement outer wall crack induction structure and construction method thereof Download PDFInfo
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- CN117738339A CN117738339A CN202410182305.2A CN202410182305A CN117738339A CN 117738339 A CN117738339 A CN 117738339A CN 202410182305 A CN202410182305 A CN 202410182305A CN 117738339 A CN117738339 A CN 117738339A
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- 239000004567 concrete Substances 0.000 title claims abstract description 83
- 230000006698 induction Effects 0.000 title claims abstract description 47
- 238000010276 construction Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 68
- 238000004873 anchoring Methods 0.000 claims abstract description 38
- 230000001939 inductive effect Effects 0.000 claims abstract description 29
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 9
- 230000002787 reinforcement Effects 0.000 claims description 17
- 238000009966 trimming Methods 0.000 claims description 16
- 239000000945 filler Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 10
- 230000002411 adverse Effects 0.000 abstract 1
- 239000004570 mortar (masonry) Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 210000003205 muscle Anatomy 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011499 joint compound Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The application relates to the technical field of building structures and construction, in particular to a concrete basement outer wall crack induction structure and a construction method thereof. In one aspect, the application provides a concrete basement exterior wall crack inducing structure, which comprises a water stop reinforcing component and an anchoring component; the water-stop reinforcing component comprises a water-stop plate and an auxiliary plate, and the auxiliary plate is detachably connected with the water-stop plate; the auxiliary plate is bent and arranged, and a grouting repair channel is formed between the auxiliary plate and the water stop plate; the anchoring assembly comprises an anchoring rib arranged in the outer wall; the water stop plate is fixedly connected with the anchoring ribs. On the other hand, the application provides a construction method of the concrete basement outer wall crack induction structure, which comprises the steps of installing anchoring ribs, fixing water stop plates, installing auxiliary plates, pouring an outer wall and repairing cracks. The crack induction structure for the outer wall of the concrete basement and the construction method thereof can offset adverse effects of the induction crack on the integrity and strength of the outer wall of the concrete basement to a certain extent.
Description
Technical Field
The application relates to the technical field of building structures and construction, in particular to a concrete basement outer wall crack induction structure and a construction method thereof.
Background
In engineering examples, the crack is a common quality common problem of the outer wall of the ultra-long basement, and shrinkage crack appears on the outer wall of the concrete due to shrinkage when the outer wall of the concrete is solidified, so that the strength, impermeability, frost resistance and durability of the structure are directly affected. Therefore, in the construction process, the generation of concrete cracks of the outer wall of the ultra-long basement is strictly controlled.
For controlling the concrete cracks of the outer wall of the ultra-long basement, a means of inducing the cracks is generally adopted. That is, the guide slits are arranged on the surface of the outer wall, and usually, the guide slits are arranged on the pouring templates, so that the guide slits are left on the surface of the concrete outer wall after the concrete outer wall is molded and the templates are removed. The setting of induced seam can make the shrinkage crack of concrete outer wall produce in induced seam department to guarantee that other positions of concrete outer wall are difficult for producing shrinkage crack, thereby be convenient for repair or maintain the shrinkage crack of concrete outer wall.
Because the depth of the shrinkage crack of the concrete outer wall is deeper, the width is narrower, the strength of the concrete outer wall can be seriously affected, and meanwhile, the concrete outer wall is repaired in a joint filling mode, the joint mixture is difficult to penetrate into the deep part of the crack, so that a cavity still exists in the deep part of the crack, and the strength of the concrete outer wall is affected. Therefore, how to effectively reduce the influence of cracks on the strength of the concrete outer wall is a technical problem at present.
Disclosure of Invention
The application provides a concrete basement outer wall crack induction structure and a construction method thereof, which can fully repair shrinkage cracks of a concrete outer wall so as to effectively improve the strength of the concrete outer wall.
In a first aspect, the application provides a concrete basement outer wall crack induction structure, adopts following technical scheme:
a crack induction structure of an outer wall of a concrete basement comprises a water stop reinforcing component and an anchoring component which are arranged in a reinforcement cage of the outer wall; the water stop reinforcing component comprises a water stop plate and an auxiliary plate, and the water stop plate and the auxiliary plate are arranged along the height direction of the outer wall;
the auxiliary plate is bent, two sides of the auxiliary plate are detachably connected with the water stop plate, and a crack induction channel is formed between the auxiliary plate and the water stop plate and used for inducing an external wall shrinkage crack to be generated at the crack induction channel; the auxiliary plate can be removed after the exterior wall is poured, and after the auxiliary plate is removed, a grouting repair channel is formed at the position of the crack induction channel;
the anchoring assembly comprises an anchoring rib arranged in the outer wall; the water stop plate is fixedly connected with the anchoring ribs, and the anchoring ribs are used for fixing the water stop plate on the reinforcement cage.
By adopting the technical scheme, before the exterior wall is poured, the water stop plate and the auxiliary plate are arranged in the exterior wall reinforcement cage. When the outer wall is poured, concrete cannot enter the crack inducing channel. Therefore, after the concrete outer wall is solidified and formed, a channel extending vertically is formed inside the concrete outer wall, so that the crack of the outer wall is induced to be formed at the crack induction channel. After the auxiliary plate is removed, the crack induction channel can be a grouting repair channel, and the grouting repair channel can be filled with mortar or a concrete binder and other joint mixtures, so that the grouting mortar or other joint mixtures can permeate into the shrinkage cracks under the action of self gravity, and the cracks are filled and repaired.
Preferably, the wall further comprises a groove formed in the side face of the outer wall; the bending position of the auxiliary plate is a tip end and is opposite to the groove.
By adopting the technical scheme, the triangular groove can be formed at the tip of the auxiliary plate after the concrete outer wall is formed, stress concentration is easier to generate at the triangular groove, and the groove is opposite to the tip of the auxiliary plate, so that the induction effect on the crack of the outer wall can be effectively improved.
Preferably, a limiting plate is fixed on the side wall of the water stop plate, a gap is reserved between the limiting plate and the water stop plate, and the edge of the auxiliary plate is in plug-in fit with the gap.
Through adopting above-mentioned technical scheme, limiting plate can be to the edge cooperation at the horizontal both ends of subplate to realize the fixed of subplate, when need dismantling the subplate, only need upwards remove the subplate, subplate and stagnant water board can the relative slip, thereby realize the dismantlement of subplate, convenient to operate.
Preferably, a grid plate is arranged on one side of the auxiliary plate, which is away from the water stop plate; the grid plate is adhered to the surface of the auxiliary plate and fixedly connected with the anchoring ribs.
Through adopting above-mentioned technical scheme, the area of contact of subplate and outer wall can be reduced in the setting of grid plate to reduce the adhesion to the subplate when concrete outer wall solidifies, so that the dismantlement of subplate. And the grid plate can also ensure the mutual communication between the grouting repair channel and the outer wall crack, so that the repair work of the crack is facilitated.
Preferably, the water stop plate comprises a connecting cylinder and a transverse plate; the side wall of the connecting cylinder is provided with an opening; the auxiliary plate is positioned at the opening, and the auxiliary plate and the connecting cylinder are enclosed to form a crack induction channel;
the transverse plates are arranged at two sides of the connecting cylinder in the length direction of the outer wall and are fixedly connected with the connecting cylinder.
By adopting the technical scheme, after the concrete outer wall is poured, a crack induction channel is formed inside the connecting cylinder, so that the shrinkage crack of the concrete outer wall can be induced, and the joint mixture can be filled into the connecting cylinder to repair the crack. The setting of diaphragm can play better stagnant water effect to can also consolidate the outer wall.
Preferably, the anchoring ribs are arranged in a C shape, and one side of the connecting cylinder where the opening is located extends to the inside of the anchoring ribs; both ends of the anchoring ribs are fixedly connected with the transverse plate.
Through adopting above-mentioned technical scheme, the anchor muscle that C type set up can promote the stability that the stagnant water board was installed in the steel reinforcement cage to the anchor muscle also easily deforms, in order to induce the shrink crack of outer wall to produce in crack induction passageway department.
Preferably, the cross section of the connecting cylinder is strip-shaped and is arranged along the thickness direction of the outer wall, the two ends of the connecting cylinder in the thickness direction of the outer wall are both provided with openings, and the auxiliary plate and the anchoring ribs are both correspondingly provided with two.
By adopting the technical scheme, the connecting cylinder is in a strip shape, so that the grouting repair channel is in a strip shape, a strip-shaped cavity can be formed in the outer wall after the outer wall is poured, and the connecting cylinder can act equivalently to induce a crack, and induce the crack of the outer wall. The arrangement of the opening can facilitate the smooth operation of joint filling and repairing.
On the other hand, the application provides a construction method of the concrete basement outer wall crack induction structure, which comprises the following steps:
installing an anchoring rib, and fixing the anchoring rib on a reinforcement cage of the outer wall;
fixing a water stop plate, and fixedly connecting the water stop plate with the anchoring ribs;
installing an auxiliary plate, so that a crack induction channel is formed between the water stop plate and the auxiliary plate;
pouring the outer wall, namely, pouring the outer wall by avoiding a crack induction channel;
and repairing the cracks, removing the auxiliary plate after the outer wall is solidified and the construction is completed, forming a grouting repairing channel by the crack inducing channel, and injecting a caulking agent into the grouting repairing channel to perform caulking repairing.
By adopting the technical scheme, the crack can be effectively repaired, the grouting repair channel is filled, no cavity in the concrete outer wall is ensured, and therefore the strength of the concrete outer wall is improved.
Preferably, the auxiliary plate is vertically arranged, and the top of the auxiliary plate extends to the upper part of the top of the outer wall; a disassembly gap is reserved between the auxiliary plate and the water stop plate so as to realize disassembly of the auxiliary plate;
when the crack appears on the surface of the outer wall, before repairing the crack, the crack is trimmed through the surface of the outer wall, a template is set up at the crack, and then grouting is performed and the crack is repaired.
By adopting the technical scheme, because the disassembly gap exists between the auxiliary plate and the water stop plate, the auxiliary plate can transversely move and separate from the concrete outer wall, so that the auxiliary plate is taken out from the concrete outer wall. The crack repairing can be improved, so that the crack is fully filled with the caulking agent, and the crack repairing effect is improved.
Preferably, when the crack is trimmed, a trimming groove is formed in the surface of the outer wall along the length direction of the crack, so that the crack is positioned in the trimming groove; the depth of the trimming groove is less than 5cm; when repairing the crack and grouting, the joint mixture is filled in the trimming groove.
By adopting the technical scheme, the gap filler enters the crack from the grouting repairing channel and finally enters the repairing groove, and in the process, the gap filler can fully fill the crack, so that the repairing effect of the crack can be ensured. And the gap filler is filled in the trimming groove, so that the flatness of the surface of the outer wall can be improved. The depth of the trimming groove is smaller than 5cm, so that the damage to the strength of the outer wall caused by too large depth can be avoided.
In summary, the present invention includes at least one of the following beneficial technical effects:
1. the water stop plate and the auxiliary plate can form a crack induction channel in the concrete outer wall, can induce the shrinkage crack of the outer wall to be generated at the crack induction channel and are communicated with the crack induction channel; after the auxiliary plate is removed, the crack induction channel is formed into a grouting repair channel, and joint filling agents such as joint filling mortar or concrete adhesives can be filled into the grouting repair channel, so that the joint filling agents can gradually infiltrate into shrinkage cracks of the outer wall from the inside of the repair channel, the cracks can be repaired, and in addition, the grouting repair channel can be filled, so that the existence of holes in the outer wall is avoided, and the strength of the outer wall is effectively improved;
2. the auxiliary plate is detachable, so that the convenience of repairing the crack is greatly improved; the grid plates are arranged, so that the auxiliary plates can be conveniently removed, and the convenience of operation is improved;
3. the crack induction structure of the concrete basement outer wall and the construction method thereof can be applied to super-long concrete wall structures such as super-long basement outer walls and the like, and the influence of cracks on the strength of the concrete structure can be effectively reduced.
Drawings
FIG. 1 is a schematic cross-sectional view of a crack inducing structure for an external wall of a concrete basement in example 1 of the present application;
FIG. 2 is a schematic cross-sectional view of a crack inducing structure for an external wall of a concrete basement in example 2 of the present application;
the reference numerals in the drawings: 1. a water stop reinforcing component; 11. a water stop plate; 111. a connecting cylinder; 112. a cross plate; 12. a sub-plate; 13. grouting repairing channels; 14. a limiting plate; 2. an anchor assembly; 21. an anchoring rib; 3. a groove; 4. an outer wall; 5. and (5) a reinforcement cage.
Detailed Description
The invention is described in further detail below with reference to fig. 1-2.
Example 1
The embodiment of the application discloses a concrete basement outer wall crack induction structure. Referring to fig. 1, the concrete basement exterior wall crack inducing structure includes a water stop reinforcing assembly 1 and an anchor assembly 2 disposed inside an exterior wall 4. The water stop reinforcing assembly 1 and the anchoring assembly 2 are arranged inside the outer wall 4. The water stop reinforcing assembly 1 includes a water stop plate 11 and a sub-plate 12 provided in the height direction of the outer wall 4. The water stop plate 11 is connected with the reinforcement cage 5 of the outer wall 4 through the anchoring assembly 2. The sub-plate 12 is arranged opposite to the water stop plate 11, and both lateral sides of the sub-plate 12 are detachably connected to the water stop plate 11. The sub-plate 12 is bent along its lateral center line, thereby forming a crack-inducing channel between the sub-plate 12 and the water-stop plate 11.
Before the exterior wall 4 is poured, the water stop plate 11 and the auxiliary plate 12 are arranged inside the reinforcement cage 5 of the exterior wall 4. The anchoring assembly 2 comprises an anchoring rib 21 fixedly connected with the reinforcement cage 5 of the concrete outer wall 4, and the water stop plate 11 is fixedly connected with the anchoring rib 21. After the outer wall 4 is poured and solidified, a cavity is formed in the crack induction channel, the cavity forms an induction crack in the concrete outer wall 4, the crack of the outer wall 4 can be induced to form at the crack induction channel, and the end part of the crack is communicated with the crack induction channel.
After the auxiliary plate 12 is removed and taken out from the crack inducing channel, the crack inducing channel becomes a grouting repairing channel 13, and mortar or concrete binder can be injected into the grouting repairing channel 13 to fill holes and cracks so as to improve the strength of the outer wall 4.
In this application, in order to make the crack of the outer wall 4 more easily communicate with the inside of the crack inducing channel, thereby facilitating repair, the bending of the sub-plate 12 is splayed, and the bending place is pointed. When the sub-panel 12 is placed inside the outer wall 4, the tip of the sub-panel 12 is set toward the surface of the outer wall 4. After the concrete outer wall 4 is formed, a triangular groove can be formed at the tip of the auxiliary plate 12, so that stress concentration is easier to generate, and the induction effect on cracks of the outer wall 4 is improved.
The surface of the outer wall 4 is also provided with a groove 3, and the groove 3 is opposite to the tip of the auxiliary plate 12 so as to improve the induction effect on the cracks of the concrete outer wall 4.
In order to facilitate the installation and the disassembly of the auxiliary plate 12, a limiting plate 14 is fixed on one side of the water stop plate 11 facing the auxiliary plate 12, a gap is reserved between the limiting plate 14 and the water stop plate 11, and the edge of the auxiliary plate 12 is in plug-in fit with the gap. The limiting plates 14 are provided in two and are respectively located at both sides of the sub-plate 12, and therefore, the limiting plates 14 can be fitted to the edges of both lateral ends of the sub-plate 12, thereby achieving fixation of the sub-plate 12. When the sub-plate 12 needs to be disassembled, only the sub-plate 12 needs to be moved upwards, and the sub-plate 12 and the water stop plate 11 can slide relatively, so that the sub-plate 12 is disassembled.
The side of the auxiliary plate 12 facing away from the water stop plate 11 is also provided with a grid plate which can be a steel wire mesh, is attached to the surface of the auxiliary plate 12 and is fixedly connected with the anchoring ribs 21. The arrangement of the grid plates can reduce the contact area between the auxiliary plate 12 and the outer wall 4, so that the adhesion force of the concrete outer wall 4 to the auxiliary plate 12 is reduced when the concrete outer wall 4 is solidified, and the auxiliary plate 12 is convenient to detach. And the grid plate can also ensure the mutual communication between the grouting repairing channel 13 and the crack of the outer wall 4, thereby being convenient for the repairing work of the crack.
In the embodiment of the present application, the water stop plate 11 and the sub-plate 12 are made of steel plates, or composite fiber plates or the like may be used.
The implementation principle of the concrete basement outer wall crack induction structure in the embodiment of the application is as follows: after the concrete outer wall 4 is poured and molded, a cavity is formed in the crack inducing channel, and the cavity forms an inducing crack in the concrete outer wall 4, so that the crack of the outer wall 4 can be induced to form in the crack inducing channel. After the auxiliary plate 12 is removed, the crack inducing channel is converted into a grouting repairing channel 13, and mortar or concrete binder is injected into the grouting repairing channel 13 to fill the grouting repairing channel 13 and the crack, so that the strength of the outer wall 4 is improved.
Example 2
Compared with embodiment 1, the scheme adopted by the water stop plate 11 structure, the grouting repairing channel 13 structure, the auxiliary plate 12 and the water stop plate 11 in the embodiment is different from that adopted by embodiment 1.
Specifically, referring to fig. 2, in the present embodiment, the water stop plate 11 includes a connection tube 111 and a cross plate 112, the cross section of the connection tube 111 is rectangular and elongated, and the length direction of the cross section of the connection tube 111 coincides with the thickness direction of the outer wall 4. The connecting tube 111 is provided open on both sides in the thickness direction of the outer wall 4. The sub-plates 12 are provided in two and are respectively located at both ends of the connecting tube 111, the sub-plates 12 are opposite to the openings, and the edges of the sub-plates 12 are abutted against the connecting tube 111 so as to enclose the grouting repair channel 13.
The cross plates 112 are arranged in a plurality and distributed on the periphery side of the connecting cylinder 111, the cross plates 112 are arranged along the length direction of the outer wall 4, and the end parts of the cross plates 112 are fixedly connected with the side wall of the connecting cylinder 111. In the embodiment of the present application, the connecting cylinders 111 are disposed on two sides of the outer wall 4 in the length direction, and the three transverse plates 112 are distributed along the thickness direction of the outer wall 4. One of the cross plates 112 is located at the center of the connection cylinder 111, and the cross plate 112 is penetrated through the connection cylinder 111 so as to divide the inner space of the connection cylinder 111 into two areas, each of which forms a crack inducing channel. And the cross plate 112 at the center of the connection cylinder 111 has a water-stopping and permeation-preventing function. And in order to enhance the water stopping effect of the cross plate 112, the length of the cross plate 112 positioned at the center of the connection tube 111 is longer than that of the other cross plates 112.
In order to improve the stability of the water stop plate 11 installed in the reinforcement cage 5, two anchor ribs 21 are arranged in a C shape, and the two anchor ribs 21 are respectively positioned on two sides of the connecting cylinder 111 in the thickness direction of the outer wall 4. The anchor rib 21 is sleeved on the connecting cylinder 111. Both ends of the anchor rib 21 are fixedly connected with the transverse plate 112.
The implementation principle of the concrete basement outer wall crack induction structure in the embodiment of the application is as follows: after the concrete outer wall 4 is poured and molded, a crack induction channel can be formed inside the connecting cylinder 111, cracks of the outer wall 4 are induced to form at the crack induction channel, similarly, after the auxiliary plate 12 is removed, a grouting repairing channel 13 can be formed inside the connecting cylinder, and the grouting repairing channel 13 is filled with joint compound or concrete adhesive, so that the cracks can be repaired, the grouting repairing channel 13 is filled, and the strength of the outer wall 4 is improved.
Example 3
The construction method of the concrete basement exterior wall crack inducing structure can be applied to the concrete basement exterior wall crack inducing structure disclosed in embodiment 1 or embodiment 2. Specifically, the construction method of the concrete basement outer wall crack induction structure comprises the following steps:
first, install the anchor muscle 21 on the steel reinforcement cage 5 of outer wall 4, weld anchor muscle 21 and steel reinforcement cage 5, perhaps adopt the iron wire ligature.
Second, the water stop plate 11 is fixedly connected with the anchor rib 21, so that the water stop plate 11 is kept fixed, and the water stop plate 11 is mounted.
Thirdly, the sub-plate 12 is placed on the side of the water stop plate 11, and the length of the sub-plate 12 is longer than the height of the outer wall 4, so that the top of the sub-plate 12 extends above the top of the outer wall 4. A disassembly gap is reserved between the auxiliary plate 12 and the water stop plate 11, and the gap is in the range of 0.5cm-1cm, so that the auxiliary plate 12 can be conveniently disassembled in the subsequent construction step.
Fourth, the concrete outer wall 4 can be poured after the installation of the auxiliary plate 12 is completed.
After the concrete outer wall 4 is cast and solidified, cracks can be generated on the surface of the outer wall 4 at the water stop plate 11.
Fifth, the sub-panel 12 is removed. The sub-panel 12 may be struck laterally with a hammer, the sub-panel 12 being vibrated away from the concrete exterior wall 4, and the sub-panel 12 may then be removed from the concrete exterior wall 4.
Sixth, the cracks on the surface of the outer wall 4 are trimmed. The method for repairing the crack is that a repairing groove is formed on the surface of the outer wall 4 along the length direction of the crack, so that the crack is positioned in the repairing groove. The depth of the trimming groove is less than 5cm, and the inner wall of the trimming groove needs to be ensured to be flat.
Seventh, it is necessary to first set up a form at the crack of the surface of the exterior wall 4 to repair the crack. Filling the grouting repair channel 13 with a joint filling mortar or concrete adhesive as a joint filling agent, so that the joint filling agent enters the crack from the grouting repair channel 13 and finally enters the trimming groove. The caulking agent is filled in the finishing groove. When the gap filler fills the trimming groove, the gap filler can fully fill the crack, so that the repairing effect of the crack can be ensured. And the caulking agent is filled in the trimming groove, so that the flatness of the surface of the outer wall 4 can be improved.
The depth of the trimming groove is less than 5cm, so that the strength of the outer wall 4 is prevented from being damaged when the depth is too large.
Eighth, the grouting repair path 13 is filled.
After the construction steps, cracks can be effectively repaired, the grouting repair channels 13 are filled, no hollow inside the concrete outer wall 4 is guaranteed, and therefore the strength of the concrete outer wall 4 is improved.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (10)
1. A concrete basement outer wall crack induction structure which is characterized in that: the water-stopping reinforcement device comprises a water-stopping reinforcement component (1) and an anchoring component (2) which are arranged in a reinforcement cage (5) of an outer wall (4); the water stop reinforcing component (1) comprises a water stop plate (11) and an auxiliary plate (12), and the water stop plate (11) and the auxiliary plate (12) are arranged along the height direction of the outer wall (4);
the auxiliary plate (12) is bent, two sides of the auxiliary plate (12) are detachably connected with the water stop plate (11), and a crack induction channel is formed between the auxiliary plate (12) and the water stop plate (11) and used for inducing shrinkage cracks of the outer wall (4) to be generated at the crack induction channel; the auxiliary plate (12) can be removed after the exterior wall is poured, and after the auxiliary plate is removed, a grouting repair channel (13) is formed at the position of the crack induction channel;
the anchoring assembly (2) comprises an anchoring rib (21) arranged in the outer wall (4); the water stop plate (11) is fixedly connected with the anchoring ribs (21), and the anchoring ribs (21) are used for fixing the water stop plate (11) on the reinforcement cage (5).
2. The concrete basement exterior wall crack inducing structure according to claim 1, wherein: the wall also comprises a groove (3) arranged on the side surface of the outer wall (4); the bending position of the auxiliary plate (12) is in a tip end arrangement and is opposite to the groove (3).
3. The concrete basement exterior wall crack inducing structure according to claim 1, wherein: a limiting plate (14) is fixed on the side wall of the water stop plate (11), a gap is reserved between the limiting plate (14) and the water stop plate (11), and the edge of the auxiliary plate (12) is in plug-in fit with the gap.
4. The concrete basement exterior wall crack inducing structure according to claim 1, wherein: a grid plate is arranged on one side of the auxiliary plate (12) back to the water stop plate (11); the grid plate is adhered to the surface of the auxiliary plate (12) and fixedly connected with the anchoring ribs (21).
5. The concrete basement exterior wall crack inducing structure according to claim 1, wherein: the water stop plate (11) comprises a connecting cylinder (111) and a transverse plate (112); the side wall of the connecting cylinder (111) is provided with an opening; the auxiliary plate (12) is positioned at the opening, and the auxiliary plate (12) and the connecting cylinder (111) are enclosed to form a crack induction channel;
the transverse plates (112) are arranged at two sides of the connecting cylinder (111) in the length direction of the outer wall (4), and the transverse plates (112) are fixedly connected with the connecting cylinder (111).
6. The concrete basement exterior wall crack inducing structure according to claim 5, wherein: the anchoring ribs (21) are arranged in a C shape, and one side of the opening of the connecting cylinder (111) extends to the inside of the anchoring ribs (21); both ends of the anchoring ribs (21) are fixedly connected with the transverse plate (112).
7. The concrete basement exterior wall crack inducing structure according to claim 5, wherein: the cross section of the connecting cylinder (111) is strip-shaped and is arranged along the thickness direction of the outer wall (4), two ends of the connecting cylinder (111) in the thickness direction of the outer wall (4) are both provided with openings, and the auxiliary plate (12) and the anchoring ribs (21) are both correspondingly provided with two.
8. A construction method applied to the concrete basement exterior wall crack inducing structure according to any one of claims 1 to 7, characterized by comprising the steps of:
installing anchoring ribs (21), and fixing the anchoring ribs (21) on a reinforcement cage (5) of the outer wall (4);
fixing the water stop plate (11), and fixedly connecting the water stop plate (11) with the anchoring ribs (21);
installing an auxiliary plate (12) to form a crack induction channel between the water stop plate (11) and the auxiliary plate (12);
pouring the outer wall (4), and avoiding a crack induction channel to pour the outer wall (4);
repairing cracks, removing the auxiliary plate (12) after the outer wall (4) is solidified and the construction is completed, forming a grouting repairing channel (13) by the crack induction channel, and filling a gap filler into the grouting repairing channel (13) to perform gap filling repairing.
9. The construction method of the concrete basement exterior wall crack inducing structure according to claim 8, wherein the sub-plate (12) is vertically arranged, and the top of the sub-plate (12) extends to above the top of the exterior wall (4); a disassembly gap is reserved between the auxiliary plate (12) and the water stop plate (11) so as to realize disassembly of the auxiliary plate (12);
the crack appears on the surface of the outer wall (4), before repairing the crack, the crack is trimmed on the surface of the outer wall (4), a template is built at the crack, and then grouting is carried out and the crack is repaired.
10. The construction method of the concrete basement exterior wall crack inducing structure according to claim 9, wherein when the crack is trimmed, a trimming groove is formed on the surface of the exterior wall (4) along the length direction of the crack, so that the crack is positioned in the trimming groove; the depth of the trimming groove is less than 5cm; when repairing the crack and grouting, the joint mixture is filled in the trimming groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410182305.2A CN117738339B (en) | 2024-02-19 | 2024-02-19 | Concrete basement outer wall crack induction structure and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410182305.2A CN117738339B (en) | 2024-02-19 | 2024-02-19 | Concrete basement outer wall crack induction structure and construction method thereof |
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| CN117738339A true CN117738339A (en) | 2024-03-22 |
| CN117738339B CN117738339B (en) | 2024-05-07 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116623788A (en) * | 2023-04-11 | 2023-08-22 | 浙江省建筑设计研究院 | Induced joint structure for ultra-long concrete structure and construction method thereof |
| CN117188808A (en) * | 2023-08-08 | 2023-12-08 | 天津大学 | Concrete wall construction method, concrete wall construction device and concrete wall |
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| JP2009002057A (en) * | 2007-06-21 | 2009-01-08 | Maruko Juryo:Kk | Sidewall structure of basement and its construction method |
| CN105829621A (en) * | 2014-01-09 | 2016-08-03 | 申源洙 | Method For Installing Concrete Crack Inducing Expansion Joint Filler, And Apparatus Therefor |
| CN108612207A (en) * | 2018-05-15 | 2018-10-02 | 上海东方雨虹防水技术有限责任公司 | Concrete induces crack structure and its construction method |
| CN210597400U (en) * | 2019-07-18 | 2020-05-22 | 中铁第一勘察设计院集团有限公司 | Induced joint structure of concrete overlength structure |
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| CN214784868U (en) * | 2021-02-22 | 2021-11-19 | 陕西建工第九建设集团有限公司 | Crack control structure of overlength variable structure clear water concrete wall |
| CN214739054U (en) * | 2021-05-26 | 2021-11-16 | 陕西建工第九建设集团有限公司 | Fair-faced concrete wall induction joint construction structure |
| CN113791200A (en) * | 2021-09-30 | 2021-12-14 | 武汉源锦建材科技有限公司 | Testing device and testing method for concrete crack repairing performance |
| CN116623788A (en) * | 2023-04-11 | 2023-08-22 | 浙江省建筑设计研究院 | Induced joint structure for ultra-long concrete structure and construction method thereof |
| CN117188808A (en) * | 2023-08-08 | 2023-12-08 | 天津大学 | Concrete wall construction method, concrete wall construction device and concrete wall |
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