CN220057988U - Junction structure of basement outer wall and foundation pit horizontal support - Google Patents
Junction structure of basement outer wall and foundation pit horizontal support Download PDFInfo
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- CN220057988U CN220057988U CN202321014255.4U CN202321014255U CN220057988U CN 220057988 U CN220057988 U CN 220057988U CN 202321014255 U CN202321014255 U CN 202321014255U CN 220057988 U CN220057988 U CN 220057988U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 47
- 239000010959 steel Substances 0.000 claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000011449 brick Substances 0.000 claims description 34
- 239000004567 concrete Substances 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims 7
- 238000010276 construction Methods 0.000 abstract description 29
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model discloses a junction structure of a basement outer wall and a foundation pit horizontal support, which comprises a horizontal inner support beam (600), an inner support outer expansion rib part (1), a water stop steel plate (2) and a basement outer wall embedded steel bar (3); the inner support outer expansion rib part is circumferentially constructed on the horizontal inner support beam, and the inner support outer expansion rib part is positioned at the junction of the horizontal inner support beam and the basement outer wall (402); the water stop steel plate is arranged between the inner support outer expansion rib and the basement outer wall; the plurality of basement outer wall embedded bars are respectively embedded in the horizontal inner supporting beam, and the two ends of the plurality of basement outer wall embedded bars penetrate through the inner supporting outer expanding rib and extend into the basement outer wall, so that the steel bars in the basement outer wall and the basement outer wall embedded bars are bound and fixed. The utility model can solve the problem of long waiting time of the internal support 'open disassembly' construction in the prior art.
Description
Technical Field
The utility model relates to a basement structure, in particular to a structure at the junction of an outer wall of a basement and a horizontal support of a foundation pit.
Background
Referring to fig. 1, the conventional construction process of the basement is as follows: after the foundation pit is excavated, constructing a basement bottom plate 100, constructing plain concrete foot supports 300 between a foundation pit support 200 and the basement bottom plate 100, then constructing basement structures 400 such as basement outer walls and the like, and backfilling fine sand between the basement outer walls and the foundation pit support 200; when the basement structure 400 is constructed to the level of the spreader beam, the spreader beam 500 is constructed, and finally the horizontal inner support beam 600 above the spreader beam 500 is removed.
When in construction, the middle height position of the support beam 500 needs to be replaced in the basement structure 400, the support beam 500 is poured together with the structural beam plates 401, the lateral soil pressure of the foundation pit support 200 is stressed by the horizontal inner support beam 600, the support beam 500 and the basement structure 400 are converted into the common stress, the horizontal inner support beam 600 is removed after the support beam 500 has 80% strength, and then the residual basement structure is constructed, namely, the inner support needs to be in an 'open disassembly' mode. The rest construction of the basement needs to wait for the support replacement and the support removal to be completed, the construction waiting time is long, the key node of the basement roof sealing is affected, and the construction progress is slow. Therefore, it is necessary to provide a junction structure of the basement outer wall and the foundation pit horizontal support, which can solve the problem of long waiting time of the 'open disassembly' construction of the inner support in the prior art.
Disclosure of Invention
The utility model aims to provide a junction structure of a basement outer wall and a foundation pit horizontal support, which can solve the problem of long waiting time of 'open disassembly' construction of an inner support in the prior art.
The utility model is realized in the following way:
the junction structure of the basement outer wall and the foundation pit horizontal support comprises a horizontal inner support beam, an inner support externally-expanded rib, a water stopping steel plate and basement outer wall embedded bars; the inner support outer expansion rib part is circumferentially constructed on the horizontal inner support beam, and the inner support outer expansion rib part is positioned at the junction of the horizontal inner support beam and the basement outer wall; the water stop steel plate is arranged between the inner support outer expansion rib and the basement outer wall; the plurality of basement outer wall embedded bars are respectively embedded in the horizontal inner supporting beam, and the two ends of the plurality of basement outer wall embedded bars penetrate through the inner supporting outer expanding rib and extend into the basement outer wall, so that the steel bars in the basement outer wall and the basement outer wall embedded bars are bound and fixed.
The horizontal inner supporting beam and the inner supporting outer expanding rib part are integrally formed through concrete pouring, and the concrete specification of the junction of the horizontal inner supporting beam and the basement outer wall is consistent with that of the basement outer wall, so that the horizontal inner supporting beam and the basement outer wall at the junction form an integral structure.
The thickness of the horizontal inner supporting beam is larger than that of the outer expanding rib part of the inner support, and the horizontal inner supporting beam and the outer expanding rib part of the inner support are coaxially arranged.
The bottom of the junction of the horizontal inner supporting beam and the basement outer wall is provided with a brick bed-jig, and the bottom surface of the brick bed-jig is propped against the bottom surface of the horizontal inner supporting beam.
The brick bed-jig comprises an inner brick bed-jig and an outer brick bed-jig, wherein the inner brick bed-jig and the outer brick bed-jig are respectively positioned at the inner side and the outer side of the inner support externally-expanded rib, and backfill materials are arranged between the inner brick bed-jig and the outer brick bed-jig.
The top elevation of the backfill material is consistent with the bottom elevation of the inner support and the outer expansion rib, so that the lower ends of the water stop steel plate positioned below the horizontal inner support beam and the embedded bars of the basement outer wall are temporarily inserted into the backfill material.
The water stop steel plate is circumferentially arranged on the outer side of the horizontal inner supporting beam in a surrounding mode, one end of the water stop steel plate is embedded in the inner supporting outer expanding rib, and the other end of the water stop steel plate extends into the basement outer wall.
The water stop steel plate and the basement outer wall are positioned in the same vertical plane, and the water stop steel plate is positioned in the middle of the basement outer wall in the thickness direction.
The surface of the inner support outer expansion rib part is in a chiseled surface structure, so that the inner support outer expansion rib part and the concrete of the basement outer wall are connected into an integrated structure.
In the support changing process, the beam body at the junction of the horizontal inner supporting beam and the basement outer wall is reserved in the basement outer wall, and the reserved part of the horizontal inner supporting beam and the basement outer wall are of an integrated structure and are jointly used as a part of the basement structure.
Compared with the prior art, the utility model has the following beneficial effects:
1. the embedded bars of the basement outer wall are embedded in the horizontal inner supporting beam, so that the basement outer wall can be directly constructed to the top of the horizontal inner supporting beam, an integrated structure is formed with the horizontal inner supporting beam, the horizontal inner supporting beam is not required to be dismantled after the support beam is replaced at the support replacing elevation, the waiting time of replacing and dismantling the support is avoided, the basement construction and the horizontal support dismantling working flow construction can be organized after the basement structure has the support replacing strength, the 'stuffy dismantling' process for dismantling the horizontal inner supporting beam is realized, the key node of the top of the basement structure is not influenced, and the construction progress is ensured.
2. According to the utility model, as the inner support outer expansion rib part and the water stop steel plate are arranged, the water stop steel plate is conveniently embedded by the inner support outer expansion rib part, and the seepage prevention and water stop measures are considered in advance at the junction construction joint of the horizontal inner support beam and the basement outer wall, so that the waterproof requirement of the basement outer wall is ensured; meanwhile, the inner support and the outer expansion rib can form firm connection at the junction of the basement outer wall and the horizontal inner support beam, so that the integrity and the structural strength of the basement outer wall after the horizontal inner support beam is partially dismantled are ensured, and the construction period and the quality of the basement outer wall are ensured.
Drawings
FIG. 1 is a construction schematic of a prior art basement structure;
FIG. 2 is a construction elevation of the junction construction of the basement exterior wall and foundation pit horizontal braces of the present utility model;
FIG. 3 is a cross-sectional view of the junction construction of the basement exterior wall and foundation pit horizontal braces of the present utility model.
In the figure, a basement bottom plate is 100, a foundation pit support is 200, a plain concrete heel brace is 300, a basement structure is 400, a structural beam plate is 401, a basement outer wall is 402, a support beam is 500, a horizontal inner support beam is 600, a brick bed-jig is 601, a backfill material is 602, a beam steel bar is 603, a rib is externally added to the inner support, a water stop steel plate is 2, and a basement outer wall embedded steel bar is 3.
Detailed Description
The utility model will be further described with reference to the drawings and the specific examples.
Referring to fig. 2 and 3, a junction structure of an outer wall of a basement and a horizontal support of a foundation pit comprises a horizontal inner support beam 600, an inner support externally-expanded rib 1, a water stop steel plate 2 and an embedded steel bar 3 of the outer wall of the basement; the inner support outer expansion rib 1 is constructed on the horizontal inner support beam 600 in the circumferential direction, and the inner support outer expansion rib 1 is positioned at the junction of the horizontal inner support beam 600 and the basement outer wall 402; the water stop steel plate 2 is arranged between the inner support outer expansion rib 1 and the basement outer wall 402; a plurality of basement outer wall embedded bars 3 are respectively embedded in the horizontal inner supporting beam 600, and two ends of the basement outer wall embedded bars 3 penetrate through the inner supporting outer expanding rib 1 and extend into the basement outer wall 402, so that the bars in the basement outer wall 402 and the basement outer wall embedded bars 3 are bound and fixed.
The basement outer wall embedded bars 3 are embedded at the junction of the horizontal inner supporting beam 600 and the basement outer wall 402, so that the basement outer wall 402 can be directly constructed to the height of the horizontal inner supporting beam 600 and is connected with the horizontal inner supporting beam 600 into an integrated structure, then the basement outer wall is continuously constructed upwards to the capping, the construction of the supporting beam is not required to be carried out at the height of the supporting beam, the horizontal inner supporting beam 600 is removed after the construction of the basement structure is completed, or the horizontal inner supporting beam 600 is removed and the construction of the basement structure are synchronously carried out after the basement structure reaches the supporting strength, the' stuffy and the supporting waiting time of the horizontal inner supporting beam 600 is avoided, the construction and the construction progress of the key node of the basement structure capping are guaranteed, and the construction quality is improved.
Meanwhile, after the horizontal inner supporting beam 600 is removed, the waterproof and seepage-proofing performance of the junction of the horizontal inner supporting beam 600 and the basement outer wall 402 is considered, and the waterproof requirement of the basement outer wall 402 is guaranteed by arranging the water-stopping steel plate 2.
The horizontal inner support beam 600 and the inner support outer expansion rib 1 are integrally formed through concrete pouring, and the concrete specification of the junction of the horizontal inner support beam 600 and the basement outer wall 402 is consistent with that of the basement outer wall 402, so that the horizontal inner support beam 600 and the basement outer wall 402 at the junction form an integral structure, and the basement outer wall 402 has good integrity and high structural strength after construction is completed.
The thickness of the horizontal inner support beam 600 is larger than that of the inner support outer expansion rib 1, and the horizontal inner support beam 600 and the inner support outer expansion rib 1 are coaxially arranged.
After the basement outer wall 402 is poured, the inner support outer expansion rib 1 is buried in the basement outer wall 402, the inner support outer expansion rib 1 forms reliable connection between the basement outer wall 402 and the horizontal inner support beam 600, the integrity and the structural strength of the basement outer wall 402 can be guaranteed after the part of the horizontal inner support beam 600 positioned outside the basement outer wall 402 is removed, and meanwhile the embedded installation of the water stop steel plate 2 is facilitated.
The water stop steel plate 2 is circumferentially arranged on the outer side of the horizontal inner supporting beam 600 in a surrounding mode, one end of the water stop steel plate 2 is embedded in the inner supporting outer expanding rib part 1, the other end of the water stop steel plate 2 extends into the basement outer wall 402, and waterproof and seepage-proofing performance of the basement outer wall 402 is guaranteed.
The water-stop steel plate 2 and the basement outer wall 402 are positioned in the same vertical plane, and the water-stop steel plate 2 is positioned in the middle of the basement outer wall 402 in the thickness direction, so that the water-proof and seepage-proof performance of the basement outer wall 402 is further ensured.
The bottom of the junction between the horizontal inner supporting beam 600 and the basement outer wall 402 is provided with a brick bed-jig 601, and the bottom surface of the brick bed-jig 601 is propped against the bottom surface of the horizontal inner supporting beam 600.
After the beam reinforcing bars 603 of the horizontal inner supporting beam 600 and the embedded bars 3 of the basement outer wall are bound, the horizontal inner supporting beam 600 is temporarily supported by the brick bed-jig 601, so that the working procedures of formwork supporting, concrete pouring and the like of the horizontal inner supporting beam 600 are facilitated. The brick bed mold 601 can be removed after the horizontal inner support beam 600 is poured and the design strength is achieved.
The brick bed mould 601 comprises an inner brick bed mould and an outer brick bed mould, wherein the inner brick bed mould and the outer brick bed mould are respectively positioned at the inner side and the outer side of the inner support externally-expanded rib 1, and backfill materials 602 are arranged between the inner brick bed mould and the outer brick bed mould.
The inner brick bed-jig and the outer brick bed-jig can not only ensure the template support of the horizontal inner support beam 600, but also ensure the avoidance of the inner support outer expansion rib 1, and simultaneously ensure that the bottom pouring elevation of the inner support outer expansion rib 1 meets the design requirement through backfill materials 602.
The top elevation of the backfill material 602 is consistent with the bottom elevation of the inner support outer expansion rib 1, so that the lower ends of the water stop steel plate 2 and the embedded steel bars 3 of the basement outer wall below the horizontal inner support beam 600 are temporarily inserted into the backfill material 602.
Preferably, the backfill material 602 can adopt fine sand, so that the water stop steel plate 2 and the embedded bars 3 of the basement outer wall are exposed out of the lower part of the inner support outer expansion rib 1 to be protected, and the inner support outer expansion rib 1 is convenient for pouring concrete.
The surface of the inner support outer expansion rib part 1 is in a chiseled surface structure, so that the inner support outer expansion rib part 1 and the concrete of the basement outer wall 402 are connected into an integrated structure.
After the concrete of the basement outer wall 402 is poured, good connection can be formed between the basement outer wall 402 and the inner support outer expansion rib 1 through a chiseled surface structure, and the integrity and the structural strength of the junction of the basement outer wall 402 and the horizontal inner support beam 600 are ensured.
The thickness of the inner support outer expansion rib 1 is 150mm, preferably, the inner support outer expansion rib 1 can be formed by expanding 150mm around the horizontal inner support beam 600 in a ribbed manner, and other outer expansion forms can be adopted to form the inner support outer expansion rib 1.
In the support changing process, the beam body at the junction of the horizontal inner support beam 600 and the basement outer wall 402 is reserved in the basement outer wall 402, the horizontal inner support beam 600 outside the projection line range of the basement outer wall 402 is removed, and the reserved part of the horizontal inner support beam 600 and the basement outer wall 402 are integrated and jointly used as a part of the basement structure.
The portion of the horizontal inner support beam 600 penetrating the basement outer wall 402, that is, the beam body at the junction of the horizontal inner support beam 600 and the basement outer wall 402 remains as a part of the basement outer wall 402, forming the basement wall 402 of an integral structure.
Referring to fig. 2 and 3, the construction process of the present utility model is:
in a basement construction project, the foundation pit support may be in the form of reinforced concrete horizontal inner support beam 600+vertical foundation pit support (cast-in-place pile, underground continuous wall) +waterproof curtain, the horizontal inner support beam 600 is located in the basement height range and constructed between the vertical foundation pit support and the waterproof curtain at both sides, and the horizontal inner support beam 600 passes through the basement outer wall 402 because the basement outer wall 402 is located at the inner side of the vertical foundation pit support and the waterproof curtain.
(1) Binding the reinforcing bars 603 of the horizontal inner support beam 600, and positioning the center line of the basement outer wall 402 on the horizontal inner support beam 600, i.e., determining the boundary position of the horizontal inner support beam 600 and the basement outer wall 402. The periphery of the horizontal inner supporting beam 600 is externally expanded by 150mm in a ribbed mode, namely, reinforcing steel bars are added on the outer side of the horizontal inner supporting beam 600, so that the beam body is widened and thickened, and an inner supporting externally expanded rib part 1 is formed.
(2) The basement outer wall embedded steel bars 3 and the water stop steel plates 2 are embedded at the intersection of the central line of the basement outer wall 402 and the horizontal inner supporting beam 600.
The basement outer wall embedded bars 3 comprise transverse bars and vertical bars, the quantity, arrangement space and the steel bar specification of the basement outer wall embedded bars 3 are consistent with those of the basement outer wall 402, so that all the basement outer wall embedded bars 3 extend into the range of the basement outer wall 402, and the basement structure can be directly constructed upwards to be capped.
(3) The lower part of the horizontal inner support beam 600 is provided with a brick bed-jig 601, the brick bed-jig 601 is upwards laid to the elevation of the bottom surface of the horizontal inner support beam 600 at the two sides of the inner support outer expansion rib 1, and fine sand, namely backfill material 602 is backfilled to the elevation of the bottom surface of the inner support outer expansion rib 1.
The intersection of the horizontal inner support beam 600 and the basement outer wall 402 is poured by adopting concrete with the same reference number as the basement outer wall 402, and the inner support outer expansion rib 1 and the horizontal inner support beam 600 are synchronously poured and molded. After concrete pouring, the water stop steel plate 2 is partially embedded and fixed in the inner support outer expansion rib part 1, and the part of the water stop steel plate 2 exposed out of the inner support outer expansion rib part 1 is subjected to finished product protection measures.
(4) The reinforced bars of the basement outer wall 402 are fed to the junction with the horizontal inner supporting beam 600 and are reliably connected with the embedded reinforced bars 3 of the basement outer wall, and the junction between the basement outer wall 402 and the horizontal inner supporting beam 600 is formed to be rigid and waterproof. The basement structure can be constructed continuously, support replacement and support disassembly are not needed, and waiting time is avoided.
(5) And (3) supporting forms on two sides of the bound reinforcing steel bars of the basement outer wall 402, sealing the forms to the edges of the horizontal inner supporting beams 600, pouring concrete to construct basement structures such as the basement outer wall 402 and the like, and guaranteeing construction quality.
(6) After the basement structure has support changing strength, the horizontal inner supporting beam 600 outside the projection line range of the basement outer wall 402 is cut off, the horizontal inner supporting beam 600 part at the junction position is reserved, the section of the beam reinforcing steel 603 of the horizontal inner supporting beam 600 is subjected to corrosion and rust prevention treatment, and the corrosion and water stopping effect of the basement outer wall 402 is ensured.
In the steps (5) and (6), the basement structure can be constructed continuously, and after the basement structure has the support changing strength, the basement structure construction and the horizontal inner support beam 600 are dismantled for the running water construction, so that the 'stuffy disassembly' of the horizontal inner support beam 600 is realized, and the basement structure does not need to be stopped and waited.
The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, therefore, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. The utility model provides a basement outer wall and foundation ditch horizontal support juncture structure which characterized by: the water-stopping steel plate comprises a horizontal inner support beam (600), an inner support outer expansion rib part (1), a water-stopping steel plate (2) and basement outer wall embedded bars (3); the inner support outer expansion rib part (1) is circumferentially constructed on the horizontal inner support beam (600), and the inner support outer expansion rib part (1) is positioned at the junction of the horizontal inner support beam (600) and the basement outer wall (402); the water-stopping steel plate (2) is arranged between the inner support outer expansion rib (1) and the basement outer wall (402); the plurality of basement outer wall embedded bars (3) are respectively embedded in the horizontal inner supporting beam (600), and the two ends of the plurality of basement outer wall embedded bars (3) penetrate through the inner supporting outer expanding rib part (1) and extend into the basement outer wall (402), so that the steel bars in the basement outer wall (402) are bound and fixed with the basement outer wall embedded bars (3).
2. The basement exterior wall and foundation pit horizontal bracing junction structure of claim 1, wherein: the horizontal inner support beam (600) and the inner support outer expansion rib part (1) are integrally formed through concrete pouring, and the concrete specification of the junction of the horizontal inner support beam (600) and the basement outer wall (402) is consistent with that of the basement outer wall (402), so that the flat inner support beam (600) and the basement outer wall (402) at the junction form an integral structure.
3. The basement outer wall and foundation pit horizontal brace junction structure according to claim 1 or 2, wherein: the thickness of the horizontal inner supporting beam (600) is larger than that of the inner supporting outer expanding rib part (1), and the horizontal inner supporting beam (600) and the inner supporting outer expanding rib part (1) are coaxially arranged.
4. The basement exterior wall and foundation pit horizontal bracing junction structure of claim 3, wherein: the bottom of the junction of the horizontal inner supporting beam (600) and the basement outer wall (402) is provided with a brick bed-jig (601), and the bottom surface of the brick bed-jig (601) is propped against the bottom surface of the horizontal inner supporting beam (600).
5. The basement exterior wall and foundation pit horizontal bracing interface structure of claim 4, wherein: the brick molding bed (601) comprises an inner brick molding bed and an outer brick molding bed, wherein the inner brick molding bed and the outer brick molding bed are respectively positioned at the inner side and the outer side of the inner support outer expansion rib part (1), and backfill materials (602) are arranged between the inner brick molding bed and the outer brick molding bed.
6. The basement exterior wall and foundation pit horizontal bracing junction structure of claim 5, wherein: the elevation of the top of the backfill material (602) is consistent with the elevation of the bottom of the inner support outer expansion rib part (1), so that the lower ends of the water stop steel plate (2) and the basement outer wall embedded steel bar (3) which are positioned below the horizontal inner support beam (600) are temporarily inserted into the backfill material (602).
7. The basement exterior wall and foundation pit horizontal bracing junction structure of claim 1, wherein: the water stop steel plate (2) is circumferentially arranged on the outer side of the horizontal inner supporting beam (600), one end of the water stop steel plate (2) is embedded in the inner supporting outer expanding rib part (1), and the other end of the water stop steel plate (2) extends into the basement outer wall (402).
8. The basement outer wall and foundation pit horizontal brace junction structure of claim 1 or 7, wherein: the water-stopping steel plate (2) and the basement outer wall (402) are positioned in the same vertical plane, and the water-stopping steel plate (2) is positioned in the middle of the basement outer wall (402) in the thickness direction.
9. The basement outer wall and foundation pit horizontal brace junction structure of claim 1 or 7, wherein: the surface of the inner support outer expansion rib part (1) is in a chiseled surface structure, so that the inner support outer expansion rib part (1) is connected with the concrete of the basement outer wall (402) into an integrated structure.
10. The basement exterior wall and foundation pit horizontal bracing junction structure of claim 1, wherein: in the support changing process, a beam body at the junction of the horizontal inner supporting beam (600) and the basement outer wall (402) is reserved in the basement outer wall (402), and the reserved part of the horizontal inner supporting beam (600) and the basement outer wall (402) are of an integral structure and are jointly used as a part of the basement structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321014255.4U CN220057988U (en) | 2023-04-28 | 2023-04-28 | Junction structure of basement outer wall and foundation pit horizontal support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321014255.4U CN220057988U (en) | 2023-04-28 | 2023-04-28 | Junction structure of basement outer wall and foundation pit horizontal support |
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| Publication Number | Publication Date |
|---|---|
| CN220057988U true CN220057988U (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321014255.4U Active CN220057988U (en) | 2023-04-28 | 2023-04-28 | Junction structure of basement outer wall and foundation pit horizontal support |
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| Country | Link |
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| CN (1) | CN220057988U (en) |
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2023
- 2023-04-28 CN CN202321014255.4U patent/CN220057988U/en active Active
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