Basement retaining wall post-cast strip enclosure structure

Abstract

The utility model discloses a basement retaining wall post-cast strip enclosure structure, and relates to the technical field of building construction. According to the basement retaining wall post-cast strip enclosure structure, the stacking plates are stacked at the upper end of the bottom plate according to the height of a post-cast strip, the limiting rods penetrate through the through holes to vertically guide the stacking plates, meanwhile, the lower ends of the stacking plates are guided by the inclined parts to slide to be attached to the horizontal parts and spliced with the positioning grooves, and positioning of the stacking plates in the left-right direction is achieved; meanwhile, a limiting strip enters the inner side of a limiting groove, limiting of the stacking plate in the front-back direction is achieved, and the situation that dislocation is generated at the lap joint position to affect the flatness and the deformation resistance strength of the enclosure structure is avoided, a threaded sleeve is placed into the inner side of a fastening groove and connected to the upper end of a limiting rod in a sleeving mode, and the threaded sleeve is rotated through a cross-shaped groove till the bottom of the threaded sleeve is tightly attached to the inner side of the fastening groove; the bottom plate, the stacking plate and the top plate are fastened in the vertical direction, meanwhile, the installation tightness of the water stop belt is improved, and the overall waterproof performance of the enclosure structure is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a basement retaining wall post-cast belt enclosure structure. Background Art

[0002] The basement retaining wall is a wall that resists earthquakes, supports and protects the basement structure. Its post-cast strip is a concrete strip left in the corresponding position in accordance with the design or construction specifications to prevent harmful cracks that may be caused by uneven shrinkage or settlement of the reinforced concrete structure. The post-cast strip of the basement retaining wall needs to be sealed with a retaining structure during the pouring process.

[0003] For example, publication number CN217204295U discloses a post-cast strip enclosure structure of a basement retaining wall, which includes a plurality of prefabricated baffles arranged on the outside of the retaining wall and located at the post-cast strip and stacked in the height direction of the retaining wall, wherein the prefabricated baffles are pre-buried with tension bars connected to the shear wall reinforcement in the post-cast strip on one side facing the post-cast strip; a waterproofing membrane is also laid between the prefabricated baffles and the retaining wall; the overlapping surfaces of two adjacent prefabricated baffles are matched with grooves and protrusions, and the overlapping surfaces are provided with expansion water stop strips; the prefabricated baffles designed by the utility model have a good installation and positioning effect, and are fixedly connected to the shear wall reinforcement through tension bars, thereby solving the problem of mold running caused by vibration during the pouring of the post-cast strip; the waterproofing membrane arranged between the prefabricated baffles and the retaining wall and the expansion water stop strips arranged on the overlapping surfaces of the prefabricated baffles ensure the waterproof effect of the enclosure structure, and no waterproofing measures are required outside the prefabricated baffles, which greatly reduces the construction difficulty and shortens the construction period;

[0004] The basement retaining wall post-cast strip enclosure structure in the utility model lacks a compression structure, which makes it easy to loosen during the stacking process, affecting the tightness of the expansion water stop strip installation, and the prefabricated baffles lack a limiting function in the front and rear directions during the stacking process, which makes it easy for the prefabricated baffles to have slight misalignment at the overlap, affecting the flatness and deformation resistance of the enclosure structure. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a basement retaining wall post-cast strip enclosure structure, which solves the problem that the basement retaining wall post-cast strip enclosure structure lacks a compression structure, which makes it easy to loosen during the up and down stacking process, affecting the tightness of the installation of the expansion water stop strip, and the prefabricated baffles lack a limiting function in the front and rear directions during the stacking process, which makes it easy to have slight misalignment at the overlap of the prefabricated baffles, affecting the flatness and deformation resistance of the enclosure structure.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a basement retaining wall post-cast strip enclosure structure, including a base plate, a limit rod is fixedly installed on the upper end of the base plate, a superimposed plate is arranged on the outer side of the limit rod, the upper ends of the base plate and the superimposed plate are provided with the same positioning groove, the upper end of the limit rod is provided with a top plate, the lower ends of the top plate and the superimposed plate are fixedly installed with the same limit strip, the same waterstop is arranged between the base plate, the superimposed plate and the top plate, a fastening groove is opened at the upper end of the top plate, a threaded sleeve is arranged on the inner side of the fastening groove, the rear sides of the base plate, the superimposed plate and the top plate are provided with the same tie bars, the rear ends of the tie bars are provided with a tension rod, and the rear ends of the tension rods are provided with a fastening nut.

[0007] Preferably, two limit rods are symmetrically arranged on both sides, and the outer sides of the stacking plates and the limit rods are slidably sleeved through through holes, so as to facilitate the stacking and limit guiding of the stacking plates.

[0008] Preferably, the positioning groove includes a horizontal portion and an inclined portion, and the inclined portion is symmetrically arranged on the left and right. The lower ends of the stacked plate and the top plate are adapted to the inner side of the positioning groove, and the upper ends of the bottom plate and the stacked plate are connected to the limit bar through the limit groove, which facilitates the splicing between the bottom plate, the stacked plate and the top plate.

[0009] Preferably, two waterstop strips are symmetrically arranged on the sides of each limit strip, and the upper and lower ends of the waterstop strips are respectively connected to the surfaces of the bottom plate, the stacked plate and the top plate through mounting grooves, and fit tightly with the inner side of the mounting grooves, thereby achieving sufficient waterproofing of the gaps between the bottom plate, the stacked plate and the top plate.

[0010] Preferably, the upper end of the limit rod extends to the inner side of the fastening groove through the through hole, and is threadedly connected to the inner side of the threaded sleeve, the threaded sleeve and the inner side of the fastening groove are slidably sleeved, the lower end of the threaded sleeve and the inner side of the fastening groove are tightly fitted, and a cross groove is provided at the upper end of the threaded sleeve to facilitate the vertical fastening of the bottom plate, the stacking plate and the top plate.

[0011] Preferably, two tie bars are symmetrically arranged on the rear sides of the bottom plate, the stacked plate and the top plate, and the front ends of the tie bars are fixedly connected to the inner sides of the bottom plate, the stacked plate and the top plate to facilitate the tightening of the maintenance structure.

[0012] Preferably, the surfaces of the tension rod and the tie bar are slidably connected via a sleeve, and the fastening nut is threadedly connected to the surface of the rear end of the tie bar and fits tightly with the rear end of the sleeve, thereby achieving the tightening and fixation of the maintenance structure and the shear wall steel bars of the post-cast strip. Beneficial Effects

[0013] The utility model provides a basement retaining wall post-cast strip enclosure structure. Compared with the prior art, it has the following beneficial effects:

[0014] 1. The post-cast strip enclosure structure of the basement retaining wall is provided with a bottom plate, a limiting rod, a superimposed plate, a positioning groove, a horizontal part, an inclined part, a top plate and a limiting strip. The superimposed plate is superimposed and arranged on the upper end of the bottom plate according to the height of the post-cast strip, and the limiting rod passes through the through hole to vertically guide the superimposed plate. At the same time, the lower end of the superimposed plate is guided and slid by the inclined part to fit with the horizontal part and fit with the positioning groove to realize the positioning of the superimposed plate in the left and right directions. At the same time, the limiting strip enters the inner side of the limiting groove to realize the limitation of the superimposed plate in the front and rear directions, so as to avoid misalignment at the overlap to affect the flatness and deformation resistance of the enclosure structure.

[0015] 2. The basement retaining wall post-cast strip retaining structure is provided with a bottom plate, a superimposed plate, a top plate, a limiting rod, a waterstop, a fastening groove, and a threaded sleeve. The threaded sleeve is placed inside the fastening groove and sleeved on the upper end of the limiting rod. The threaded sleeve is rotated through the cross groove until its bottom is tightly fitted with the inside of the fastening groove, thereby achieving vertical fastening of the bottom plate, the superimposed plate, and the top plate. At the same time, the tightness of the waterstop installation is increased, thereby improving the overall waterproof performance of the retaining structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the bottom plate and superimposed plates of the utility model.

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of the superimposed plates of the utility model.

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the superimposed plates and the top plate of the utility model.

[0020] Figure 5 It is a front view half-section structure schematic diagram of the bottom plate and superimposed plate of the utility model.

[0021] In the figure: 1, bottom plate; 2, limit rod; 3, superimposed plate; 4, positioning groove; 41, horizontal part; 42, inclined part; 5, top plate; 6, limit strip; 7, water stop; 8, fastening groove; 9, threaded sleeve; 10, tie bar; 11, tension rod; 111, sliding sleeve; 12, fastening nut. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-5 The utility model provides a technical solution: a basement retaining wall post-cast belt enclosure structure, including a bottom plate 1, a limit rod 2 is fixedly installed on the upper end of the bottom plate 1, a superimposed plate 3 is arranged on the outer side of the limit rod 2, and two limit rods 2 are symmetrically arranged on the left and right, and the superimposed plate 3 and the outer side of the limit rod 2 are slidably sleeved through a through hole, and the upper ends of the bottom plate 1 and the superimposed plate 3 are provided with the same positioning groove 4, and the upper end of the limit rod 2 is provided with a top plate 5, and the lower ends of the top plate 5 and the superimposed plate 3 are fixedly installed with the same limiting strip 6, the positioning groove 4 includes a horizontal portion 41 and an inclined portion 42, and the inclined portion 42 is symmetrically arranged on the left and right, and the lower ends of the superimposed plate 3 and the top plate 5 are adapted to the inner side of the positioning groove 4, and the upper ends of the bottom plate 1 and the superimposed plate 3 are engaged with the limiting strip 6 through the limiting groove. The same waterstop 7 is arranged between the stacked plates 3 and the top plate 5. Two waterstops 7 are symmetrically arranged on the sides of each limit strip 6. The upper and lower ends of the waterstop 7 are respectively connected to the surfaces of the bottom plate 1, the stacked plate 3 and the top plate 5 through mounting grooves, and are tightly fitted with the inner sides of the mounting grooves. After the waterstop 7 is pressed into the mounting grooves of the bottom plate 1 and the upper ends of the stacked plates 3, the stacked plates 3 are stacked and arranged on the upper end of the bottom plate 1 according to the height of the post-casting belt, so that the limit rod 2 passes through the through hole to vertically guide the stacked plates 3. At the same time, the lower end of the stacked plates 3 is guided and slid by the inclined portion 42 to fit with the horizontal portion 41, and is assembled with the positioning groove 4 to realize the positioning of the stacked plates 3 in the left and right directions. At the same time, the limit strip 6 enters the inner side of the limit groove to realize the limitation of the stacked plates 3 in the front and rear directions.

[0024] A fastening groove 8 is provided at the upper end of the top plate 5, and a threaded sleeve 9 is provided on the inner side of the fastening groove 8. The upper end of the limiting rod 2 extends to the inner side of the fastening groove 8 through the through hole, and is threadedly connected with the inner side of the threaded sleeve 9. The threaded sleeve 9 is slidably sleeved with the inner side of the fastening groove 8, and the lower end of the threaded sleeve 9 is tightly fitted with the inner side of the fastening groove 8. A cross groove is provided at the upper end of the threaded sleeve 9. By putting the threaded sleeve 9 into the inner side of the fastening groove 8 and sleeved on the upper end of the limiting rod 2, the threaded sleeve 9 is rotated through the cross groove until its bottom is tightly fitted with the inner side of the fastening groove 8, so as to realize the vertical fastening of the bottom plate 1, the superimposed plate 3, and the top plate 5;

[0025] The same tie bars 10 are arranged on the rear sides of the bottom plate 1, the stacked plates 3 and the top plate 5. Two tie bars 10 are symmetrically arranged on the rear sides of the bottom plate 1, the stacked plates 3 and the top plate 5. The front end of the tie bar 10 is fixedly connected to the inner side of the bottom plate 1, the stacked plates 3 and the top plate 5. The rear end of the tie bar 10 is provided with a tension rod 11. The rear end of the tension rod 11 is provided with a fastening nut 12. The tension rod 11 and the surface of the tie bar 10 are slidably connected through a sliding sleeve 111. The fastening nut 12 is threadedly connected to the surface of the rear end of the tie bar 10 and fits tightly with the rear end of the sliding sleeve 111. After the tension rod 11 is sleeved on the rear end of the tie bar 10 through the sliding sleeve 111, the fastening nut 12 is tightened to make it resist the shear wall steel bars in the post-cast zone, so as to realize the support and fixation of the overall enclosure device.

[0026] When in use, after the water stop strip 7 is pressed into the installation grooves at the upper ends of the bottom plate 1 and the superimposed plate 3, the superimposed plate 3 is superimposed and arranged on the upper end of the bottom plate 1 according to the height of the post-cast strip, so that the limiting rod 2 passes through the through hole to guide the superimposed plate 3 vertically, and at the same time, the lower end of the superimposed plate 3 is guided and slid through the inclined portion 42 to fit with the horizontal portion 41, and is spliced ​​with the positioning groove 4 to achieve positioning of the superimposed plate 3 in the left and right directions. At the same time, the limiting strip 6 enters the inner side of the limiting groove to achieve limiting of the superimposed plate 3 in the front and rear directions, avoiding misalignment at the overlap that affects the flatness and anti-deformation strength of the enclosure structure, and the top plate 5 is superimposed on the superimposed plate 3 in the same way. After adding the upper end of the plate 3 and positioning it, the threaded sleeve 9 is placed into the inner side of the fastening groove 8 and sleeved on the upper end of the limiting rod 2. The threaded sleeve 9 is rotated through the cross groove until its bottom is tightly fitted with the inner side of the fastening groove 8, thereby achieving the vertical fastening of the bottom plate 1, the superimposed plate 3, and the top plate 5. At the same time, the tightness of the installation of the water stop belt 7 is increased, and the overall waterproof performance of the enclosure structure is improved. After the tensioning rod 11 is sleeved on the rear end of the tie bar 10 through the sliding sleeve 111, the fastening nut 12 is tightened to make it resist against the shear wall steel bars in the post-cast strip, thereby achieving the support and fixation of the overall enclosure device and realizing the casting and enclosure of the post-cast strip.

[0027] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A basement retaining wall post-cast strip enclosure structure, comprising a bottom plate (1), characterized in that: A limiting rod (2) is fixedly mounted on the upper end of the bottom plate (1), a superimposed plate (3) is arranged on the outer side of the limiting rod (2), the upper ends of the bottom plate (1) and the superimposed plate (3) are provided with the same positioning groove (4), the upper end of the limiting rod (2) is provided with a top plate (5), the lower ends of the top plate (5) and the superimposed plate (3) are fixedly mounted with the same limiting strip (6), the same water stop strip (7) is arranged between the bottom plate (1), the superimposed plate (3) and the top plate (5), a fastening groove (8) is opened at the upper end of the top plate (5), a threaded sleeve (9) is arranged on the inner side of the fastening groove (8), the rear sides of the bottom plate (1), the superimposed plate (3) and the top plate (5) are provided with the same tie bar (10), the rear end of the tie bar (10) is provided with a tension rod (11), and the rear end of the tension rod (11) is provided with a fastening nut (12).

2. The basement retaining wall post-cast strip enclosure structure according to claim 1 is characterized by: Two limit rods (2) are symmetrically arranged on both sides, and the outer sides of the superimposed plates (3) and the limit rods (2) are slidably sleeved via through holes.

3. The basement retaining wall post-cast strip enclosure structure according to claim 1 is characterized by: The positioning groove (4) comprises a horizontal portion (41) and an inclined portion (42), the inclined portion (42) being arranged bilaterally symmetrically, the lower ends of the stacked plate (3) and the top plate (5) being mutually adapted to the inner side of the positioning groove (4), and the upper ends of the bottom plate (1) and the stacked plate (3) being engaged and connected to the limiting strip (6) via the limiting groove.

4. The basement retaining wall post-cast strip enclosure structure according to claim 1 is characterized by: Two water stop strips (7) are arranged symmetrically on the sides of each limit strip (6), and the upper and lower ends of the water stop strips (7) are respectively connected to the surfaces of the bottom plate (1), the stacking plate (3), and the top plate (5) through mounting grooves, and are tightly fitted to the inner side of the mounting grooves.

5. The basement retaining wall post-cast strip enclosure structure according to claim 1 is characterized by: The upper end of the limit rod (2) extends through the through hole to the inner side of the fastening groove (8) and is threadedly connected to the inner side of the threaded sleeve (9). The threaded sleeve (9) and the inner side of the fastening groove (8) are slidably sleeved. The lower end of the threaded sleeve (9) and the inner side of the fastening groove (8) are tightly fitted. The upper end of the threaded sleeve (9) is provided with a cross groove.

6. The basement retaining wall post-cast strip enclosure structure according to claim 1, characterized in that: The tie bars (10) are located at the rear side of the bottom plate (1), the stacked plate (3) and the top plate (5), and are arranged in a bilaterally symmetrical manner. The front end of the tie bars (10) is fixedly connected to the inner side of the bottom plate (1), the stacked plate (3) and the top plate (5).

7. The basement retaining wall post-cast strip enclosure structure according to claim 1 is characterized by: The surfaces of the tension rod (11) and the tie bar (10) are slidably connected via a sliding sleeve (111), and the fastening nut (12) is threadedly connected to the surface of the rear end of the tie bar (10) and is tightly fitted to the rear end of the sliding sleeve (111).

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