CN212388582U - Assembled open caisson structure - Google Patents
Assembled open caisson structure Download PDFInfo
- Publication number
- CN212388582U CN212388582U CN202021101761.3U CN202021101761U CN212388582U CN 212388582 U CN212388582 U CN 212388582U CN 202021101761 U CN202021101761 U CN 202021101761U CN 212388582 U CN212388582 U CN 212388582U
- Authority
- CN
- China
- Prior art keywords
- open caisson
- structures
- well
- prefabricated
- prefabricated well
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 40
- 239000010959 steel Substances 0.000 claims abstract description 40
- 238000010276 construction Methods 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000002689 soil Substances 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 239000004567 concrete Substances 0.000 claims description 9
- 239000011148 porous material Substances 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 239000011150 reinforced concrete Substances 0.000 claims description 6
- 238000009412 basement excavation Methods 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Images
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model relates to an assembled open caisson structure, the open caisson structure wall of a well is composed of a plurality of sections of annular structures which are vertically spliced; each section of annular structure is formed by connecting and sealing a plurality of prefabricated well plate structures end to end; the adjacent prefabricated well sheet structures are connected through a transverse connecting member and a longitudinal connecting member to form a complete and firm well wall structure; when the depth of the open caisson structure is larger, the open caisson structure is divided into sections, each section consists of one or more annular structures, the annular structures in each section are connected and fixed with each other, a bearing platform structure is arranged between each section, the bearing platform structures are vertically symmetrical, a jack is placed between the bearing platform structures, and the jack plays a role of pushing the prefabricated well piece structure downwards during construction; in the construction process, a penetrating jack is arranged at the upper end of the steel strand, and the penetrating jack is matched with a jack between the bearing platform structures to finish the sinking of the well wall structure; the open caisson structure is not limited by self weight, has high construction speed, has little influence on environment and saves the manufacturing cost.
Description
Technical Field
The utility model relates to an assembled open caisson structure is applied to underground structure and foundation engineering field among the civil engineering.
Background
With the acceleration of the urbanization development speed, the land resources are more and more tense, the overground space has the situation of short supply and short demand and high price, and some regions are available without land. The development and utilization of the underground space provide possibility for relieving the shortage of urban land, improving urban environment and traffic condition, saving energy, protecting environment and the like.
The underground structure in the form of the vertical shaft can be applied to vertical connecting channels, cylindrical foundations and the like of underground spaces such as underground automobile garages, underground bicycle garages, underground water storage tanks, underground granaries, underground storage spaces, tunnels and the like. However, as the underground structure needs to be excavated, the earth is taken out and the slope is put, the construction operation area is far larger than the floor area of the building, which is difficult to realize for some urban areas with limited construction sites.
The common open caisson structure is a well cylindrical structure, does not need to be set on a slope, has small occupied area, digs soil from the well, overcomes the frictional resistance of the well wall by means of self gravity, then sinks to the designed elevation, then uses concrete to seal the bottom, and pours a bottom plate to form an underground utilization space. However, the sinking mainly overcomes the frictional resistance of the well wall by the dead weight, and the full-section soil removal in the well reduces the end resistance sinking, so the wall thickness is restricted by the dead weight and the sinking resistance, for the structure with larger frictional resistance of the side wall, the well pipe is difficult to sink underground, the well wall is often made to be very thick, the structure is not economical, and the utilization of underground space is reduced; meanwhile, because concrete needs to be poured in a layered mode on site, the construction procedures such as steel bar binding, formwork erecting, concrete pouring, maintenance and the like need to be repeated for multiple times, the construction of the open caisson structure is influenced by the internal structure, the process is complex, and the structure quality, the construction period and the construction cost are influenced.
Disclosure of Invention
In view of this, the embodiment of the utility model provides an assembled open caisson structure, this open caisson structure do not receive the restriction of dead weight, and construction speed is fast, and is little to the environmental impact, practices thrift the cost.
In order to achieve the above purpose, the utility model adopts the following scheme: an assembled open caisson structure is composed of a well wall structure and a bottom plate structure and is characterized in that the well wall structure is formed by vertically splicing a plurality of sections of annular structures; each section of annular structure is formed by connecting and sealing a plurality of prefabricated well plate structures end to end; a transverse reserved hole channel and a longitudinal reserved hole channel are arranged in the prefabricated well plate structure; the transverse preformed hole channel can accommodate a transverse connecting component, and the transverse connecting component can tension and lock a plurality of prefabricated well plate structures in a single section of annular structure; the longitudinal reserved hole channel can contain a longitudinal connecting component, and the longitudinal connecting component can tension and lock a longitudinally distributed multi-section annular structure; when the depth of the open caisson structure is larger, segmenting the open caisson structure, wherein each segment consists of one or more annular structures, the annular structures in each segment are connected and fixed with each other, a bearing platform structure is arranged between each segment, the bearing platform structures are vertically symmetrical, and jacks are placed between the bearing platform structures and play a role in pushing the prefabricated well piece structures downwards during construction; the adjacent prefabricated well sheet structures are connected through a transverse connecting member and a longitudinal connecting member to form a complete and firm well wall structure; the bottom plate structure is a cast-in-place reinforced concrete structure, and when the well wall structure sinks to the designed depth, the bottom plate structure is poured to form a closed open caisson structure.
Optionally, the transverse connecting member and the longitudinal connecting member are prestressed steel strands or/and high-strength bolts; and after the open caisson structure is sunk to the designed position, grouting and sealing the transverse reserved hole and the longitudinal reserved hole, so that the transverse connecting member and the longitudinal connecting member are isolated from the air.
Optionally, the prefabricated well block structure is prefabricated by a reinforced concrete structure, a steel-concrete combined structure or a steel structure, guide islands are arranged on the upper end face of the prefabricated well block structure at intervals, guide grooves are formed in positions, corresponding to the guide islands, of the lower end face of the prefabricated well block structure, and the prefabricated well block structures of the adjacent upper and lower sections are assembled through the cooperation of the guide islands and the guide grooves.
Optionally, the prefabricated well plate structure is a plane or cambered surface structure, and an angle brace can be arranged between adjacent prefabricated well plate structures in the same section of annular structure, so that the integrity of the well wall structure is enhanced.
Optionally, when the longitudinal connecting member is a prestressed steel strand, the prestressed steel strand is arranged along the through length of the well wall structure, the lower end of the prestressed steel strand is connected with the lower end face of the bottommost prefabricated well plate structure, the prestressed steel strand is completely through long, the length of the prestressed steel strand is larger than the depth of the open caisson structure, and the prestressed steel strand is used for serially connecting the longitudinally distributed multiple sections of prefabricated well plate structures through a longitudinal hole reserved in the prefabricated well plate structure to form a complete and firm well wall structure.
Optionally, in the construction process, a penetrating jack can be arranged at the upper end of the steel strand, and the penetrating jack is matched with a jack between the bearing platform structures to complete the sectional sinking of the well wall structure; the penetrating jack is matched with a jack between the bearing platform structures, the posture of the open caisson structure can be adjusted through uneven jacking, and the inclination of the open caisson structure in the sinking process can be corrected; a steel ring for retaining water is arranged on the outer side of the prefabricated well plate structure where the bearing platform structure is located; according to the clearance requirement in the later-stage well wall structure, the bearing platform structure can be detached.
Optionally, a grouting hole is reserved on the outer side wall of the prefabricated well sheet structure, after the well wall structure is sunk to a designed position, a cementing material is injected into a peripheral soil body through the grouting hole, and the stability and the waterproofness of the peripheral soil body of the open caisson structure are enhanced; in the construction process of the open caisson structure, lubricating materials are injected into the peripheral soil body through the grouting pore channels, so that the friction force between the open caisson structure and the peripheral soil body is reduced.
Optionally, a steel blade foot structure or a concrete blade foot structure is arranged on the lower end face of the bottommost prefabricated well blade structure; except that the three terminal surfaces of the bottommost and topmost prefabricated well piece structures are provided with water stop rubber strips, the four terminal surfaces of other prefabricated well piece structures are provided with water stop rubber strips.
Optionally, a counterforce anchor rod is arranged outside the well wall structure, and can apply downward force to the prefabricated segment structure through a top steel beam to play a role in assisting sinking; and constructing a waterproof curtain and a dewatering well outside the open caisson structure, and ensuring that the underground water level is lower than an excavation surface during construction.
Optionally, the space formed by the open caisson structure can be used for an underground automobile garage, an underground bicycle garage, an underground water storage tank, an underground granary and an underground storage space.
The utility model has the advantages that: the open caisson structure well wall structure is formed by vertically splicing a plurality of sections of annular structures; each section of annular structure is formed by connecting and sealing a plurality of prefabricated well plate structures end to end; the adjacent prefabricated well sheet structures are connected through a transverse connecting member and a longitudinal connecting member to form a complete and firm well wall structure; when the depth of the open caisson structure is larger, segmenting the open caisson structure, wherein each segment consists of one or more annular structures, the annular structures in each segment are connected and fixed with each other, a bearing platform structure is arranged between each segment, the bearing platform structures are vertically symmetrical, and a jack is placed between the bearing platform structures and plays a role of pushing the prefabricated well piece structure downwards during construction; in the construction process, a penetrating jack is arranged at the upper end of the steel strand, and the penetrating jack is matched with a jack between the bearing platform structures to finish the sinking of the well wall structure; the open caisson structure is not limited by self weight, has high construction speed, has little influence on environment and saves the manufacturing cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a front view of the overall structure of an assembled open caisson structure according to an embodiment of the present invention;
fig. 2-5 are a front view and a top view of a wall structure of an assembled open caisson structure according to an embodiment of the present invention;
fig. 6 is a connection diagram of the upper section well wall structure and the lower section well wall structure of the assembled open caisson structure according to the embodiment of the invention;
fig. 7 is a top view of the overall structure of an assembled open caisson structure according to an embodiment of the present invention;
fig. 8 is a detailed structural view of a bearing platform of an assembled open caisson structure according to an embodiment of the present invention;
fig. 9 is a detailed structural view of a steel blade foot of an assembled open caisson structure according to an embodiment of the present invention.
In the figure: 1. a well wall structure; 2. a floor structure; 3. an annular structure; 4. prefabricating a well plate structure; 5. transversely reserving a pore channel; 6. longitudinally reserving a pore channel; 7. a transverse connecting member; 8. a longitudinal connecting member; 9. a bearing platform structure; 10. a jack; 11. a guide island; 12. a guide groove; 13. corner brace; 14. a center-penetrating jack; 15. a steel ring; 16. grouting a pore channel; 17. a blade foot structure; 18. a water-stopping rubber strip.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the embodiments.
As shown in fig. 1-9, the assembled open caisson structure comprises a well wall structure (1) and a bottom plate structure (2), and is characterized in that the well wall structure (1) is formed by vertically splicing a plurality of sections of annular structures (3); each section of the annular structure (3) is formed by connecting and sealing a plurality of prefabricated well plate structures (4) end to end; a transverse reserved hole channel (5) and a longitudinal reserved hole channel (6) are arranged in the prefabricated well plate structure (4); the transverse preformed hole (5) can accommodate a transverse connecting component (7), and the transverse connecting component (7) can tension and lock a plurality of prefabricated well plate structures (4) in a single section of annular structure (3); the longitudinal preformed hole (6) can accommodate a longitudinal connecting component (8), and the longitudinal connecting component (8) can tension and lock the longitudinally distributed multi-section annular structure (3); when the depth of the open caisson structure is larger, the open caisson structure is divided into sections, each section consists of one or more annular structures (3), the annular structures (3) in each section are connected and fixed with each other, a bearing platform structure (9) is arranged between each section, the bearing platform structures (9) are vertically symmetrical, jacks (10) are placed between the bearing platform structures (9), and the jacks (10) play a role of pushing the prefabricated well sheet structures (4) downwards during construction; the adjacent prefabricated well sheet structures (4) are connected through a transverse connecting component (7) and a longitudinal connecting component (8) to form a complete and firm well wall structure (1); the bottom plate structure (2) is of a cast-in-place reinforced concrete structure, and when the well wall structure (1) sinks to the designed depth, the bottom plate structure (2) is poured to form a closed open caisson structure.
As an alternative embodiment, the transverse connecting member (7) and the longitudinal connecting member (8) are prestressed steel strands or/and high-strength bolts; and after the open caisson structure is sunk to the designed position, the transverse reserved hole (5) and the longitudinal reserved hole (6) are sealed by grouting, so that the transverse connecting member (7) and the longitudinal connecting member (8) are isolated from the air.
As an optional embodiment, the prefabricated well block structure (4) is prefabricated by a reinforced concrete structure or a steel-concrete combined structure or a steel structure, the upper end face of the prefabricated well block structure (4) is provided with guide islands (11) at intervals, the lower end face of the prefabricated well block structure is provided with guide grooves (12) at positions corresponding to the guide islands (11), and the prefabricated well block structures (4) of adjacent upper and lower sections are assembled through the matching of the guide islands (11) and the guide grooves (12).
As an optional embodiment, the prefabricated well plate structures (4) are plane or cambered surface structures, and corner supports (13) can be arranged between the adjacent prefabricated well plate structures (4) in the same section of annular structure (3) to enhance the integrity of the well wall structure (1).
As an optional embodiment, when longitudinal connecting element (8) is the prestressing steel strand wires, the prestressing steel strand wires lead to long the setting along wall of a well structure (1), prestressing steel strand wires lower extreme links to each other with prefabricated well piece structure (4) terminal surface in bottommost, and the prestressing steel strand wires are complete to lead to long, and length is greater than the degree of depth of open caisson structure, and prestressing steel strand wires concatenate the prefabricated well piece structure of the multistage (4) of longitudinal distribution through the vertical pore canal of reserving in prefabricated well piece structure (4), forms complete firm wall of a well structure (1).
As an optional embodiment, in the construction process, a penetrating jack (14) can be arranged at the upper end of the steel strand, and the penetrating jack (14) is matched with a jack (10) between the bearing platform structures (9) to complete the sectional sinking of the well wall structure (1); the penetrating jack is matched with a jack between the bearing platform structures, the posture of the open caisson structure can be adjusted through uneven jacking, and the inclination of the open caisson structure in the sinking process can be corrected; a steel ring (15) for retaining water is arranged on the outer side of the prefabricated well sheet structure (4) where the bearing platform structure (9) is located; according to the clearance requirement in the later-stage well wall structure, the bearing platform structure can be detached.
As an optional embodiment, a grouting pore channel (16) is reserved on the outer side wall of the prefabricated well sheet structure (4), after the well wall structure (1) is sunk to a designed position, a cementing material is injected into a peripheral soil body through the grouting pore channel (16), and the stability and the water resistance of the peripheral soil body of the open caisson structure are enhanced; in the construction process of the open caisson structure, lubricating materials are injected into the peripheral soil body through the grouting pore channels (16), so that the friction force between the well wall structure (1) and the peripheral soil body is reduced.
As an optional embodiment, a steel blade foot structure (17) or a concrete blade foot structure is arranged on the lower end face of the bottommost prefabricated well plate structure (4); except that the three end faces of the bottommost prefabricated well sheet structure (4) and the topmost prefabricated well sheet structure are provided with water stop rubber strips (18), the four end faces of other prefabricated well sheet structures (4) are provided with water stop rubber strips.
As an optional embodiment, a reaction anchor rod is arranged outside the well wall structure (1), and can apply downward force to the prefabricated segment structure (4) through a top steel beam to play a role in assisting sinking; and constructing a waterproof curtain and a dewatering well outside the open caisson structure, and ensuring that the underground water level is lower than an excavation surface during construction.
As an optional embodiment, the space formed by the open caisson structure can be used for an underground automobile garage, an underground bicycle garage, an underground water storage tank, an underground granary and an underground storage space.
Claims (10)
1. The utility model provides an assembled open caisson structure, open caisson structure comprises wall of a well structure and bottom plate structure, its characterized in that: the well wall structure is formed by vertically splicing a plurality of sections of annular structures; each section of annular structure is formed by connecting and sealing a plurality of prefabricated well plate structures end to end; a transverse reserved hole channel and a longitudinal reserved hole channel are arranged in the prefabricated well plate structure; the transverse preformed hole channel can accommodate a transverse connecting component, and the transverse connecting component can tension and lock a plurality of prefabricated well plate structures in a single section of annular structure; the longitudinal reserved hole channel can contain a longitudinal connecting component, and the longitudinal connecting component can tension and lock a longitudinally distributed multi-section annular structure; the open caisson structure can be arranged in sections, each section consists of one or more annular structures, the annular structures in each section are connected and fixed, a bearing platform structure is arranged between each section, the bearing platform structures are vertically symmetrical, and a jack is placed between the bearing platform structures and plays a role of pushing the prefabricated well plate structure downwards during construction; the adjacent prefabricated well sheet structures are connected through a transverse connecting member and a longitudinal connecting member to form a complete and firm well wall structure; the bottom plate structure is a cast-in-place reinforced concrete structure, and when the well wall structure sinks to the designed depth, the bottom plate structure is poured to form a closed open caisson structure.
2. The fabricated open caisson structure of claim 1, wherein: the transverse connecting member and the longitudinal connecting member are prestressed steel strands or/and high-strength bolts; and after the open caisson structure is sunk to the designed position, grouting and sealing the transverse reserved hole and the longitudinal reserved hole, so that the transverse connecting member and the longitudinal connecting member are isolated from the air.
3. The fabricated open caisson structure of claim 1, wherein: the prefabricated well block structure is formed by prefabricating a reinforced concrete structure or a steel-concrete combined structure or a steel structure, guide islands are arranged on the upper end face of the prefabricated well block structure at intervals, guide grooves are formed in positions, corresponding to the guide islands, of the lower end face of the prefabricated well block structure, and the prefabricated well block structures of the adjacent upper and lower sections are assembled through the cooperation of the guide islands and the guide grooves.
4. The fabricated open caisson structure of claim 1, wherein: the prefabricated well piece structure is a plane or cambered surface structure, and an angle support can be arranged between adjacent prefabricated well piece structures in the same section of annular structure, so that the integrity of the well wall structure is enhanced.
5. The fabricated open caisson structure of claim 2, wherein: when the longitudinal connecting member is a prestressed steel strand, the prestressed steel strand is arranged along the through length of the well wall structure, the lower end of the prestressed steel strand is connected with the lower end face of the bottommost prefabricated well plate structure, the prestressed steel strand is completely through long, the length of the prestressed steel strand is larger than the depth of the open caisson structure, and the prestressed steel strand is used for serially connecting the longitudinally distributed multi-section prefabricated well plate structures through a longitudinal hole channel reserved in the prefabricated well plate structure.
6. The fabricated open caisson structure of claim 2, wherein: in the construction process, a penetrating jack can be arranged at the upper end of the steel strand, and the penetrating jack is matched with a jack between the bearing platform structures to complete the sectional sinking of the well wall structure; through uneven jacking, the attitude of the open caisson structure can be adjusted, and the inclination of the open caisson structure in the sinking process can be corrected; a steel ring for retaining water is arranged on the outer side of the prefabricated well plate structure where the bearing platform structure is located; according to the clearance requirement in the later-stage well wall structure, the bearing platform structure can be detached.
7. The fabricated open caisson structure of claim 1, wherein: a grouting hole is reserved on the outer side wall of the prefabricated well sheet structure, and after the well wall structure is sunk to a designed position, a cementing material is injected into a peripheral soil body through the grouting hole, so that the stability and the waterproofness of the peripheral soil body of the open caisson structure are enhanced; in the construction process of the open caisson structure, lubricating materials are injected into the peripheral soil body through the grouting pore channels, so that the friction force between the open caisson structure and the peripheral soil body is reduced.
8. The fabricated open caisson structure of claim 1, wherein: a steel edge foot structure or a concrete edge foot structure is arranged on the lower end face of the bottommost prefabricated well blade structure; except that the three terminal surfaces of the bottommost and topmost prefabricated well piece structures are provided with water stop rubber strips, the four terminal surfaces of other prefabricated well piece structures are provided with water stop rubber strips.
9. The fabricated open caisson structure of claim 1, wherein: a counterforce anchor rod is arranged outside the well wall structure and can apply downward pressure to the prefabricated segment structure through a top steel beam to play a role in assisting sinking; and constructing a waterproof curtain and a dewatering well outside the open caisson structure, and ensuring that the underground water level is lower than an excavation surface during construction.
10. The fabricated open caisson structure of claim 1, wherein: the space that open caisson structure formed can be used for underground automobile garage, underground bicycle garage, secret cistern, secret granary, secret storage space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021101761.3U CN212388582U (en) | 2020-06-15 | 2020-06-15 | Assembled open caisson structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021101761.3U CN212388582U (en) | 2020-06-15 | 2020-06-15 | Assembled open caisson structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212388582U true CN212388582U (en) | 2021-01-22 |
Family
ID=74254928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021101761.3U Active CN212388582U (en) | 2020-06-15 | 2020-06-15 | Assembled open caisson structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212388582U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111622251A (en) * | 2020-06-15 | 2020-09-04 | 北京中岩智泊科技有限公司 | Assembly type open caisson structure and construction method thereof |
| CN117211338A (en) * | 2023-08-01 | 2023-12-12 | 中铁上海工程局集团市政环保工程有限公司 | Prefabricated modular node waterproof structure |
| CN119507451A (en) * | 2024-12-20 | 2025-02-25 | 上海市基础工程集团有限公司 | A reusable steel caisson |
-
2020
- 2020-06-15 CN CN202021101761.3U patent/CN212388582U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111622251A (en) * | 2020-06-15 | 2020-09-04 | 北京中岩智泊科技有限公司 | Assembly type open caisson structure and construction method thereof |
| CN117211338A (en) * | 2023-08-01 | 2023-12-12 | 中铁上海工程局集团市政环保工程有限公司 | Prefabricated modular node waterproof structure |
| CN119507451A (en) * | 2024-12-20 | 2025-02-25 | 上海市基础工程集团有限公司 | A reusable steel caisson |
| CN119507451B (en) * | 2024-12-20 | 2026-03-27 | 上海市基础工程集团有限公司 | A reusable steel caisson |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101914925B (en) | Basement by using optimized composite prefabricated arch wall as external wall | |
| CN111622251A (en) | Assembly type open caisson structure and construction method thereof | |
| CN103643682B (en) | A kind of pre stressed empty piped piles foundation pit enclosure structure and construction method | |
| CN101418569B (en) | Optimized composite arch wall with combination of prefabricated arch, support and main structure | |
| CN212388582U (en) | Assembled open caisson structure | |
| CN111236258A (en) | Prefabricated pile wall supporting structure with stiffening rib wall and unloading platform and construction method thereof | |
| CN101092850A (en) | Method and installation for rising building or historical building / cluster of historical building integrally | |
| CN111236260A (en) | Variable-rigidity combined type prefabricated double-row pile supporting structure and construction method thereof | |
| CN101139839A (en) | Setting structure of ultra-deep foundation pit in high confined water area | |
| CN107905251A (en) | A kind of module prestressing force Retaining Wall and its assembly method | |
| CN107035159A (en) | A kind of method suitable for frame structure isolated footing building underground increasing layer | |
| CN104532957A (en) | Inversed construction method for adding basement in existing building | |
| CN214614154U (en) | Assembled open caisson for building underground sewage tank | |
| CN111236259A (en) | Combined lattice-shaped prefabricated pile wall supporting structure and construction method thereof | |
| CN111877358B (en) | A support structure, building and construction method for a foundation pit with upper soil layer and lower soft rock | |
| CN115233689A (en) | Combined type enclosure structure for soft soil foundation pit and construction method thereof | |
| CN203594037U (en) | Foundation pit fencing structure of prestress hollow tube piles | |
| CN116145642A (en) | A sheet pile wall structure and method of use thereof | |
| CN214942693U (en) | Underpinning support system for storey-adding reconstruction of existing building basement | |
| CN106088762B (en) | A kind of prefabricated assembled round underground granary of insertion slot type encased steel plate | |
| CN106049948B (en) | Bag Plastic preform bulkhead underground granary in a kind of insertion slot type | |
| CN106013911B (en) | A kind of interior steel plated assembled circle underground granary with premoulded filler strip | |
| CN210887256U (en) | Straight combined sheet pile-ground wall-connecting type frame of water retaining cofferdam | |
| CN220503948U (en) | Permanent-facing combined construction pavement structure for descending plate construction of underground structure | |
| CN106193744B (en) | The round prefabricated assembled underground granary of equal steel plated inside and outside one kind |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |