CN116927233A - Construction method for bearing platform of water-rich gravel area - Google Patents
Construction method for bearing platform of water-rich gravel area Download PDFInfo
- Publication number
- CN116927233A CN116927233A CN202310911127.8A CN202310911127A CN116927233A CN 116927233 A CN116927233 A CN 116927233A CN 202310911127 A CN202310911127 A CN 202310911127A CN 116927233 A CN116927233 A CN 116927233A
- Authority
- CN
- China
- Prior art keywords
- bearing platform
- open caisson
- steel
- water
- template
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 238000010276 construction Methods 0.000 title claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 100
- 239000010959 steel Substances 0.000 claims abstract description 100
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000002787 reinforcement Effects 0.000 claims description 24
- 239000002689 soil Substances 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 5
- 239000002023 wood Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 238000009412 basement excavation Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 239000004576 sand Substances 0.000 abstract description 3
- 238000009435 building construction Methods 0.000 abstract description 2
- 101150054854 POU1F1 gene Proteins 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D23/00—Caissons; Construction or placing of caissons
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D23/00—Caissons; Construction or placing of caissons
- E02D23/08—Lowering or sinking caissons
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/06—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against corrosion by soil or water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention provides a construction method of a bearing platform of a water-rich gravel section, belonging to the technical field of building construction; according to the method, the construction scheme of combining the concrete open caisson with the steel template is adopted for bearing platform construction, the open caisson is a foundation pit enclosure structure, large sand gravel blocks are cleaned by adopting manual cooperation machinery in the sinking process, convenience and rapidness are realized, meanwhile, the open caisson can also isolate external moisture, the internal construction is facilitated, the open caisson can be used as a protection structure of the bearing platform in a corrosive water-rich area, and the durability of the bearing platform is improved; meanwhile, the open caisson can be used as a template of the bearing platform, the part with insufficient height above the open caisson is supported by adopting the steel template, the number of the steel templates is reduced, and the construction cost of the bearing platform is saved in the construction process of the Liu Defu water gravel stratum.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a construction method for a bearing platform of a water-rich gravel area.
Background
The construction steps of the conventional bearing platform are generally to pour concrete piles to improve vertical bearing capacity, excavate a foundation pit, bind reinforcing steel bars in the foundation pit, and then prop up templates to pour and form, but the construction of a land water-rich section is difficult to operate by using the method, generally, lasen steel sheet piles are arranged around the foundation pit to isolate groundwater and then water in the Lasen steel sheet piles is extracted to carry out the next construction, but in land water-rich gravel stratum, the conventional Lasen steel sheet piles cannot be driven due to interference of sand gravel, meanwhile, the construction period of the bearing platform excavated by conventional slope releasing is longer, the water pumping amount is large, and the construction cost is large; therefore, a set of construction technology for the land water-rich gravel stratum bearing platform which is more universal is urgently needed for future reference of similar engineering.
Disclosure of Invention
In order to solve the problems in the prior art, the construction method for the bearing platform of the water-rich gravel area is provided.
The technical scheme adopted for solving the technical problems is as follows:
the invention provides a construction method of a bearing platform of a water-rich gravel section, which comprises the following steps:
s1: constructing pile foundations on the original ground;
s2: digging a foundation pit slope;
s3: binding open caisson steel bars in the foundation pit, installing a template, and pouring concrete to form an open caisson;
s4: sinking the sinking well;
s5: sealing the bottom of the open caisson;
s6: chiseling the pile foundation head to leak out of the pile foundation reinforcement cage;
s7: binding bearing platform steel bars in the open caisson, and installing steel templates on the periphery of the bearing platform steel bars;
s8: binding pier column steel bars, and pouring concrete to the bearing platform steel bars to form the bearing platform.
Preferably, in the steps S1 to S2, a measuring lofting is performed in advance, a pile foundation reinforcement cage is perforated underground in a construction range and installed inside the pile foundation reinforcement cage, then concrete is poured to form a pile foundation, a slope is laid and excavated in a survey range, and a rectangular structure is dug to form the foundation pit for open caisson construction.
Preferably, in the steps S3 to S4, the open caisson steel bars are of square structures with the same size as the bottom of the foundation pit, and open caisson cutting edges are constructed manually, so that the bottom of the open caisson is formed in a V shape in a pouring mode; digging and sinking the open caisson after the cast open caisson reaches the design strength, digging out soil at the bottom in the open caisson, and then digging out soil near the edge angle, so that the soil at the bottom of the open caisson is in a shape with low middle and high periphery, and sinking the open caisson by the weight of the open caisson, wherein the bottom of the open caisson is sunk to 50cm below the elevation of the bottom of the bearing platform.
Preferably, in the step S5, the bottom sealing is performed by underwater concrete pouring on the bottom of the open caisson through a guide pipe, and when the pouring is completed to reach the design strength, the accumulated water in the foundation pit is extracted.
Preferably, after the underwater bottom sealing, a partial water seepage phenomenon possibly occurs, a pressure relief hole is drilled at a water seepage part, a steel water pipe, a water pump and a valve are installed for drainage, and pouring of a leveling cushion layer is performed again above concrete pouring molding of the bottom of the open caisson, so that the secondary waterproof effect on the bottom of the open caisson is realized.
Preferably, in the step S6 to S8, the method for binding and forming the bearing platform includes the following steps:
s11: bending the top of a pile foundation reinforcement cage into a horn mouth shape, binding spiral stirrups in the circumferential direction of the pile foundation reinforcement cage, and binding bearing platform reinforcement in the open caisson;
s12: welding a plurality of supporting steel bars on the side surface of the steel bar of the bearing platform, attaching and installing a steel template on the circumferential direction of the steel bar of the bearing platform, clamping and positioning the steel template by planting steel bars at the bottom of the steel template, positioning the side surface of the steel template by the supporting steel bars, and connecting the top of the steel template with the steel bar of the bearing platform temporarily by adopting steel wires; after the steel template is completely installed, the template counter pull rod is timely installed, the temporary fixing of the top is removed, and the installation of the steel template is completed;
s13: pre-burying pier column steel bars in the process of binding bearing platform steel bars;
s14: and pouring concrete to form the bearing platform.
Preferably, the foundation pit is dug to more than 50cm of the water level line.
Preferably, the main reinforcement of the open caisson adopts phi 12mm twisted steel, the horizontal and vertical spacing is 10cm, the hooking reinforcement adopts phi 8mm round steel, and the spacing is 30cm.
Preferably, the templates used for installing the inner side and the outer side of the open caisson are all combined wood patterns, and the templates on the inner side and the outer side are reinforced by the opposite pull rods.
Compared with the prior art, the invention has the beneficial effects that:
according to the method, the construction scheme of adding the steel template into the open caisson is adopted for bearing platform construction, the open caisson is used as a foundation pit enclosure structure, large sand gravel blocks are cleaned by adopting manual cooperation machinery in the sinking process, convenience and rapidness are realized, meanwhile, underground water can be isolated from the open caisson, the internal construction is convenient, the open caisson can be used as a protection structure of the bearing platform in a corrosive water-rich area, and the durability of the bearing platform is improved; the part with insufficient height above the open caisson adopts steel template support, reduces the number of steel templates, and saves the construction cost of the bearing platform in the Liu Defu water gravel stratum construction process.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of a foundation pit excavation and pile foundation forming structure in the present invention;
FIG. 2 is a schematic diagram of a structure of the sunk well before being formed and sunk;
FIG. 3 is a schematic view of the structure of the sunk well after sinking is completed;
FIG. 4 is a schematic view of a pumping bottom seal structure of the open caisson;
FIG. 5 is a schematic view of a bearing platform reinforcement structure;
fig. 6 is a schematic diagram of a structure for fixing the outer support steel form of the bearing platform steel bar.
Reference numerals illustrate:
1-a foundation pit; 2-pile foundation; 3-sinking well; 31-edge angle; 4-bearing platform reinforcing steel bars; 5-a template tie rod; 6-template; 7-planting tendons; 8-supporting steel bars; 9-a steel water pipe; 10-a water pump; 11-pier stud steel bars; 12-pile foundation reinforcement cage.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
As shown in fig. 1-6, the embodiment provides a construction method of a land water-rich gravel stratum bearing platform, which comprises the following steps:
s1: constructing pile foundation 2 on the original ground;
s2: slope laying and excavation of the foundation pit 1;
in S1-S2, the construction range of the foundation pit 1 is surveyed in advance, the pile foundation reinforcement cage 12 is manufactured by pre-processing steel bars, the manufactured pile foundation reinforcement cage 12 is perforated underground in the construction range and installed in the pile foundation reinforcement cage 12, then concrete is poured in the holes to form the pile foundation 12, the pile foundation 12 is excavated along Xiang Fang slopes in the survey range, the pile foundation 12 is excavated into a rectangular structure to form the foundation pit 1 for open caisson 3 construction, the side wall of the foundation pit 1 is in a slope shape, and the foundation pit 1 is excavated to be 50cm above a water level.
S3: binding steel bars of the open caisson 3 in the foundation pit 1, installing a template, and pouring concrete to form the open caisson 3;
s4: sinking the open caisson 3;
in S3-S4, the steel bars of the open caisson 3 are of a square structure similar to the bottom of the foundation pit 1 in size, the edge angle 31 of the open caisson 3 is constructed manually, the bottom of the edge angle 31 is reinforced by angle steel, and the bottom of the open caisson 3 is cast and molded to be V-shaped; digging and sinking the well 3 after pouring and forming to reach the design strength, digging soil at the bottom of a deep well, then digging soil near the edge angle 31, so that the soil at the bottom of the well 3 is in a pot bottom shape, the soil at the bottom of the well 3 is in a middle low-circumference high shape, the four sides keep the stability of the soil at the same horizontal line, and the bottom of the well 3 is sunk to the position 50cm below the elevation of the bearing platform by the sinking weight of the well 3;
wherein, the main reinforcement of the open caisson 3 adopts a phi 12mm twisted steel, the horizontal and vertical spacing is 10cm, the hooking reinforcement adopts a phi 8mm round steel, and the spacing is 30cm; the templates used for installing the inner side and the outer side of the open caisson 3 are all combined wood patterns, the panel is a 15mm bamboo plywood, the back edge is a 5 x 10cm square wood and a 10 x 10cm square wood, and the inner template and the outer template are reinforced by a pair of pull rods;
and after the formwork of the open caisson 3 is erected, pouring concrete of the open caisson 3, pumping the concrete into the formwork by adopting an automobile pump, and then compacting by adopting a phi 50 vibrating rod.
S5: the open caisson 3 is sealed at the bottom;
in S5, underwater concrete pouring is carried out on the bottom of the open caisson 3 through a guide pipe, the pouring thickness is controlled to be 30-40 cm, the pouring is completed to achieve strength molding, and accumulated water in the foundation pit 1 is extracted;
after the underwater bottom sealing, a part of water seepage phenomenon still exists, a pressure relief hole is drilled at a water seepage part, a steel water pipe 9, a water pump 10 and a valve are installed for drainage, the diameter of the pressure relief hole is 50mm, the valve is opened for pressure relief when needed, and water is discharged out of the foundation pit 1 through the steel water pipe 9 and the water pump 10; and pouring the leveling cushion layer again above the concrete pouring molding of the bottom of the open caisson 3, so as to realize the secondary waterproof effect on the bottom of the open caisson 3.
S5: the open caisson 3 is sealed at the bottom;
s6: chiseling the pile foundation 2 head to leak out of the pile foundation reinforcement cage 12;
s7: binding bearing platform steel bars 4 in the open caisson 3, and installing steel templates 6 in the circumferential direction of the bearing platform steel bars 4;
s8: binding pier column steel bars 11, and pouring concrete to the bearing platform steel bars 4 to form a bearing platform.
In S6-S8, the bearing platform binding and forming method comprises the following steps:
s11: bending the top of the pile foundation reinforcement cage 12 to be horn-shaped, and binding spiral stirrups in the circumferential direction; meanwhile, binding bearing platform steel bars 4 in the open caisson 3 so that the top of the pile foundation steel bar cage 12 is positioned at the inner bottom of the bearing platform steel bars 4;
s12: a plurality of supporting steel bars 8 are welded on the side face of the bearing platform steel bar 4, and steel bar planting holes are drilled on the periphery of the top of the open caisson 3; then, the steel template 6 is attached and installed on the periphery of the bearing platform steel bar 4, the bottom of the steel template 6 is clamped and positioned through the installation of the embedded steel bar 7, the side surface of the steel template 6 is positioned through the supporting steel bar 8, and the top of the steel template 6 is connected with the bearing platform steel bar 4 temporarily through steel wires; after the steel template 6 is completely installed, the template counter pull rod 5 is timely installed, the temporary fixing of the top is removed, and the installation of the circumferential steel template 6 of the bearing platform steel bar 4 is completed;
s13, embedding pier stud steel bars 11 in advance in the binding process of the bearing platform steel bars 4, and binding and fixing the pier stud steel bars 11 and the bearing platform steel bars 4;
s14: concrete is poured inside the steel form 6 to form a bearing platform.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. The construction method of the bearing platform of the water-rich gravel section is characterized by comprising the following steps of:
s1: constructing pile foundations on the original ground;
s2: digging a foundation pit slope;
s3: binding open caisson steel bars in the foundation pit, installing a template, and pouring concrete to form an open caisson;
s4: sinking the sinking well;
s5: sealing the bottom of the open caisson;
s6: chiseling the pile foundation head to leak out of the pile foundation reinforcement cage;
s7: binding bearing platform steel bars in the open caisson, and installing steel templates on the periphery of the bearing platform steel bars;
s8: binding pier column embedded bars, and pouring concrete to the bearing platform bars to form the bearing platform.
2. The construction method of the water-rich gravel land bearing platform according to claim 1, wherein in the steps S1-S2, construction lofting is performed in advance, holes are drilled into the ground at a designed position, pile foundation reinforcement cages are installed in the holes, concrete is poured to form pile foundations, slope excavation is performed within a survey range, and a rectangular structure is dug to form the foundation pit for open caisson construction.
3. The construction method of the water-rich gravel land bearing platform according to claim 1, wherein in the steps S3-S4, open caisson steel bars are of square structures with the same size as the bottom of a foundation pit, open caisson cutting edges are constructed manually, and the bottom of the open caisson is formed in a V shape in a pouring mode; digging and sinking the open caisson after the cast open caisson reaches the design strength, digging out soil at the bottom in the open caisson, and then digging out soil near the edge angle, so that the soil at the bottom of the open caisson is in a shape with low middle and high periphery, and sinking the open caisson by the weight of the open caisson, wherein the bottom of the open caisson is sunk to 50cm below the elevation of the bottom of the bearing platform.
4. The construction method of the water-rich gravel land bearing platform according to claim 1, wherein in the step S5, underwater concrete pouring and bottom sealing are carried out on the bottom of the open caisson through a guide pipe, and accumulated water in a foundation pit is extracted when pouring is completed to achieve the design strength molding.
5. The construction method of the water-rich gravel land bearing platform according to claim 4, wherein the water-rich gravel land bearing platform is characterized in that partial water seepage phenomenon can occur after underwater bottom sealing, a pressure relief hole is formed in a water seepage part, a steel pipe, a water pump and a valve are installed for drainage, and pouring of a leveling cushion layer is conducted again above concrete pouring molding of the bottom of the open caisson, so that the secondary waterproof effect of the bottom of the open caisson is achieved.
6. The construction method of the bearing platform in the water-rich gravel land according to claim 1, wherein in the steps S6 to S8, the bearing platform binding and forming method comprises the following steps:
s11: bending the top of a pile foundation reinforcement cage into a horn mouth shape, binding spiral stirrups in the circumferential direction of the pile foundation reinforcement cage, and binding bearing platform reinforcement in the open caisson;
s12: welding a plurality of supporting steel bars on the side surface of the steel bar of the bearing platform, attaching and installing a steel template on the circumferential direction of the steel bar of the bearing platform, clamping and positioning the steel template by planting steel bars at the bottom of the steel template, positioning the side surface of the steel template by the supporting steel bars, and connecting the top of the steel template with the steel bar of the bearing platform temporarily by adopting steel wires; after the steel template is completely installed, the template counter pull rod is timely installed, the temporary fixing of the top is removed, and the installation of the steel template is completed;
s13: pre-burying pier column steel bars in the process of binding bearing platform steel bars;
s14: and pouring concrete to form the bearing platform.
7. The method for constructing a bearing platform for a water-rich gravel land according to claim 1, wherein the foundation pit is dug to more than 50cm of a water level line.
8. The construction method of the water-rich gravel section bearing platform according to claim 1, wherein the main reinforcement of the open caisson adopts phi 12mm threaded steel bars, the horizontal and vertical distance is 10cm, the hooking reinforcement adopts phi 8mm round steel, and the distance is 30 x 30cm.
9. The construction method of the water-rich gravel land bearing platform according to claim 1, wherein the templates for installing the inner side and the outer side of the open caisson are all combined wood forms, and the templates on the inner side and the outer side are reinforced by opposite pull rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310911127.8A CN116927233A (en) | 2023-07-24 | 2023-07-24 | Construction method for bearing platform of water-rich gravel area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310911127.8A CN116927233A (en) | 2023-07-24 | 2023-07-24 | Construction method for bearing platform of water-rich gravel area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116927233A true CN116927233A (en) | 2023-10-24 |
Family
ID=88391935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310911127.8A Pending CN116927233A (en) | 2023-07-24 | 2023-07-24 | Construction method for bearing platform of water-rich gravel area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116927233A (en) |
-
2023
- 2023-07-24 CN CN202310911127.8A patent/CN116927233A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100738488B1 (en) | Pier basis caisson structure using a precast concrete block | |
| KR100857772B1 (en) | Construction structure of open caisson cofferdam using assembling sheet pile and it's method | |
| CN111236284A (en) | Basement bottom and periphery underground water drainage method and structure | |
| CN103321246A (en) | Underground diaphragm wall based foundation pit construction method | |
| CN110820793A (en) | Composite foundation for collapsible loess area and construction method | |
| CN113174958A (en) | Construction method for foundation pit of adjacent road under poor ground condition | |
| KR102173079B1 (en) | Composite phc pile for soil retaining wall | |
| CN111236259A (en) | Combined lattice-shaped prefabricated pile wall supporting structure and construction method thereof | |
| CN216194845U (en) | Pebble covering layer steel sheet pile cofferdam system | |
| JP4958064B2 (en) | Seismic reinforcement structure of quay | |
| CN115045311A (en) | Method for combining foundation pit drainage and structure anti-floating | |
| CN109024657A (en) | The construction method of Super High Core Walls Structure dell side complex conditions tower crane | |
| CN116927233A (en) | Construction method for bearing platform of water-rich gravel area | |
| CN114922195A (en) | Construction method of soft soil deep and large foundation pit adjacent to protected object | |
| CN210887256U (en) | Straight combined sheet pile-ground wall-connecting type frame of water retaining cofferdam | |
| KR20130073336A (en) | Pile structure and construction methods | |
| JPH09316894A (en) | Bridge pier foundation structure, and construction method thereof | |
| JP4475116B2 (en) | Vertical shaft structure and its construction method | |
| CN215562841U (en) | Newly-built basement is anti to float with installation connecting elements | |
| CN210621709U (en) | Inclined support foundation pit supporting structure based on steel pipe pile and Larsen steel plate | |
| CN215669468U (en) | Expand end concrete PHC strength nature stake | |
| CN216615879U (en) | Arch ring supporting system | |
| CN113944262B (en) | Construction method for foundation-column-free type deep foundation pit and outer wall integrated structure | |
| CN219261048U (en) | Working well | |
| CN219080388U (en) | Pier circular deep foundation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |