CN114687377A - Large-bottom-plate modular structure under time-limited condition and construction method - Google Patents
Large-bottom-plate modular structure under time-limited condition and construction method Download PDFInfo
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- CN114687377A CN114687377A CN202011605258.6A CN202011605258A CN114687377A CN 114687377 A CN114687377 A CN 114687377A CN 202011605258 A CN202011605258 A CN 202011605258A CN 114687377 A CN114687377 A CN 114687377A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- 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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
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- 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
- E02D31/02—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 ground humidity or ground water
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- 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
- E02D31/02—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 ground humidity or ground water
- E02D31/025—Draining membranes, sheets or fabric specially adapted therefor, e.g. with dimples
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Foundations (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a large-bottom plate modular structure and a construction method under a time-limited condition. According to the splicing structure using the prefabricated splicing bottom plates, the prefabricated splicing bottom plates of the underground structure are stably connected with the bottom piles, the structure is completely stressed, and meanwhile, a good waterproof effect is achieved.
Description
Technical Field
The invention relates to a large-bottom plate modular structure under a time-limited condition and a construction method.
Background
At present, most underground structures which are built or built in China adopt a cast-in-place mode, but the traditional cast-in-place mode has the defects of long construction period, large influence on the surrounding environment of the engineering, high labor intensity and the like. Therefore, how to construct the large bottom plate by adopting prefabricated components becomes a difficult problem which needs to be researched and solved urgently at present.
Disclosure of Invention
The invention aims to provide a large floor modular structure and a construction method under a time-limited condition.
In order to solve the above problems, the present invention provides a modular structure of a large bottom plate under a time-limited condition, comprising:
a plurality of prefabricated large bottom plates arranged in the underground continuous wall;
the post-cast strip is arranged between every two adjacent large prefabricated bottom plates, the overhanging steel bars of each large prefabricated bottom plate stretch into the post-cast strip, and the overhanging steel bars of every two adjacent large prefabricated bottom plates are connected with each other;
the cast-in-place pile comprises a pile body of the cast-in-place pile arranged at the lower part of the post-cast strip, and reinforcing steel bars arranged at the pile head of the cast-in-place pile in the post-cast strip, wherein one end of the reinforcing steel bars of the pile head is connected with the reinforcing steel bars of the pile body, and the other end of the reinforcing steel bars of the pile head is connected.
Further, in the structure, the structure further comprises surface layers arranged on the surfaces of the post-pouring belt and the prefabricated large bottom plate.
Furthermore, in above-mentioned structure, still include from top to bottom the one deck set up in the lower part of post-cast strip and prefabricated big bottom plate with the pile body is adjacent pave in advance and anti-roll waterproof layer, precast concrete bed course, gravel sand leveling layer and plain soil tamp layer.
Furthermore, in the structure, the adjacent precast concrete cushion layers are symmetrically provided with matched and lapped tongue-and-groove joints.
Further, in the above structure, a PVC plastic sleeve is sleeved on the steel bar of the pile head.
Further, in the above structure, the pre-laid reverse-adhesion roll waterproof layer is a pre-laid reverse-adhesion high molecular polymer waterproof roll.
Further, in the structure, a cement-based permeable crystallization type coating waterproof layer is arranged between the post-cast strip and the pile body, and the coating waterproof layer extends to a position below the pre-paved reverse-bonded roll waterproof layer.
Furthermore, in the structure, the overhanging steel bars of two adjacent prefabricated large bottom plates are connected with each other by adopting a 50% welding and 50% steel wire binding mode.
Further, in the above structure, the post-cast strip is made of UHPC concrete.
According to another aspect of the present invention, there is provided a construction method of a large floor modular structure under a time-limited condition, comprising:
step S1, sheathing the steel bar of the pile head of the cast-in-place pile top by a PVC sleeve, then pouring the concrete of the pile head and the pile body of the cast-in-place pile, and breaking the concrete outside the PVC plastic sleeve of the pile head;
step S2, adopting a small shaft jumping excavation process, synchronously carrying out whole-course foundation pit excavation and construction, tamping soil and paving gravel sand from bottom to top so as to level the foundation pit;
step S3, a crane platform is set up, and a crane is placed;
step S4, hoisting the precast concrete cushion layer through the crane, and constructing on the precast concrete cushion layer by a construction method of pre-paving the anti-adhesion high-molecular polymer waterproof roll;
step S5, hoisting the prefabricated large bottom plate through the crane, and welding the reinforcing steel bars of the pile head of the cast-in-place pile with the overhanging reinforcing steel bars of the prefabricated large bottom plate;
and step S6, casting a post-cast strip on the overhanging reinforcing steel bars of the large steel bar prefabricated bottom plates of the post-cast strip pile heads between the adjacent large steel plates.
Compared with the prior art, the invention adopts the construction processes of quick pile head breaking, prefabricated cushion layer close splicing, pre-paving reverse-bonding high molecular polymer waterproof coiled material construction, pile plate waterproof node connection design, UHPC post-pouring connection and the like, and finally forms a set of efficient, stable and safe large-bottom plate modular construction system.
According to the splicing structure using the prefabricated splicing bottom plates, the prefabricated splicing bottom plates of the underground structure are stably connected with the bottom piles, the structure is completely stressed, and meanwhile, a good waterproof effect is achieved.
The invention is suitable for engineering that the foundation pit is close to the subway tunnel or stretches across the subway tunnel from the top, and prevents the phenomenon that the subway tunnel floats upwards, the normal operation of the subway is influenced and even the subway tunnel is broken because the soil pressure above the subway tunnel is reduced due to short-time unloading of excavation of the foundation pit, and the subway tunnel is influenced greatly.
According to the invention, the large bottom plate and the cushion layer are prefabricated in a factory, a proper prefabricated size is selected by combining the model of the tower crane, and the high-efficiency pile head failure breaking technology is matched to be synchronously carried out with jump excavation of the small vertical shaft, so that a high-efficiency large bottom plate construction system is finally formed.
Drawings
FIG. 1 is a top view of a modular structure of a large floor in a time limited condition according to an embodiment of the invention;
FIG. 2 is a first cross-sectional view of a modular structure of a large backplane in a time-limited condition in accordance with an embodiment of the present invention;
FIG. 3 is a second cross-sectional view of a modular structure of a large backplane in a time-limited condition in accordance with an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 to 3, the present invention provides a modular structure of a large bottom plate under a time-limited condition, comprising:
a plurality of prefabricated large bottom plates 2 arranged in the underground continuous wall 1;
the post-cast strip 3 is arranged between every two adjacent large prefabricated bottom plates 2, the overhanging steel bars of each large prefabricated bottom plate 2 stretch into the post-cast strip 3, and the overhanging steel bars of every two adjacent large prefabricated bottom plates 2 are connected with each other;
the cast-in-place pile comprises a pile body of a cast-in-place pile 4 arranged at the lower part of the post-cast strip 3, and reinforcing steel bars arranged at the pile head of the cast-in-place pile in the post-cast strip 3, wherein one end of the reinforcing steel bars of the pile head is connected with the reinforcing steel bars of the pile body, and the other end of the reinforcing steel bars of the pile head is connected.
The large bottom plates are prefabricated, industrial production of the large bottom plates is achieved, the prefabricated large bottom plates are connected through the post-pouring belts, and compared with a traditional cast-in-place large bottom plate, the defects that a traditional cast-in-place mode is long in construction period, large in influence on surrounding environment, high in labor intensity and the like are overcome. The invention has simple structure, convenient installation, high construction speed, small influence on the periphery and good stress and waterproof effect. The prefabricated large bottom plate is connected with the pile head of the cast-in-place pile by adopting a cast-in-place belt, so that the joint connection reliability and the waterproof effect are ensured.
A plurality of cranes can be arranged on site to hang the overhanging reinforcing steel bars at the bottom layers of the two ends of the large bottom plate by using special lifting appliances for lifting. A post-pouring belt is left between the prefabricated large baseplates and is provided with a water-stop steel plate. And a small vertical shaft jumping excavation process is adopted, and the whole foundation pit excavation and the large bottom plate construction are synchronously carried out, so that the construction efficiency is improved.
As shown in fig. 2, in an embodiment of the modular structure of the large floor under limited time conditions of the present invention, the modular structure further comprises a surface layer 5 disposed on the surfaces of the post-cast strip 3 and the prefabricated large floor 2.
As shown in fig. 2, in an embodiment of the modular structure of the large floor under time-limited conditions, the modular structure further comprises a pre-paved reverse-glued-rolled waterproof layer 6, a precast concrete cushion layer 7, a gravel sand leveling layer and a soil ramming layer which are arranged below the post-cast strip 3 and the precast large floor 2 and are adjacent to the pile body from top to bottom.
In the foundation pit, a gravel sand leveling layer is laid on the basis of the plain soil tamping layer, and the concrete cushion layer is prefabricated in a factory. The pre-paved anti-sticking roll waterproof layer is introduced, the pre-paved anti-sticking roll waterproof layer and a concrete structure main body can jointly establish a composite and fused waterproof system, and is fused with the concrete structure to form a whole, the complementary advantages of self-waterproofing of the structure and waterproof materials of coiled materials are fully exerted, the phenomena of water channeling and leakage between the waterproof layer and the main structure are effectively prevented, and the waterproof effect is reliable and durable. The joint between the reinforcing steel bar of the pile head and the post-cast strip 3 and the joint between the pre-paved reverse-bonded waterproof layer 6 and the cast-in-place pile 4 can be sealed by using sealing paste 8.
In an embodiment of the time-limited large-floor modular structure of the invention, as shown in fig. 3, the matching and overlapping tongues 10 are symmetrically arranged on the adjacent precast concrete mats 7.
The adjacent precast concrete cushions are overlapped in a tongue-and-groove half-meshing mode to prevent the phenomenon of warping.
In an embodiment of the modular structure of the large bottom plate under the time-limited condition, a PVC plastic sleeve is sleeved on the steel bar of the pile head.
In order to improve the construction speed of the bottom plate, the pile head is sealed and fixed by adopting a method of separating the reinforcing steel bars of the pile head and waterproof adhesive tapes in the PVC plastic sleeve in the early stage, so that the concrete of the pile head and the reinforcing steel bars of the pile head are not bonded. When the concrete of the pile head is broken, the pile head and the pile body are completely separated by drilling, separating steel rods and external knocking, and then the concrete of the upper pile head is lifted out by using lifting equipment.
In an embodiment of the modular structure of the large floor under the time-limited condition, the pre-paved anti-sticking waterproof roll is a pre-paved anti-sticking high molecular polymer waterproof roll.
The pre-paved anti-sticking high molecular polymer waterproof roll is attracted, the pre-paved anti-sticking roll waterproof layer and a concrete structure main body can jointly establish a composite + fused waterproof system, and the composite + fused waterproof system is fused with the concrete structure to form a whole, so that the complementary advantages of self-waterproofing of the structure and waterproof materials of the roll are fully exerted, the phenomena of water channeling and leakage between the waterproof layer and the main body structure are effectively prevented, and the waterproof effect is reliable and durable.
As shown in fig. 2, in an embodiment of the large-floor modular structure under the time-limited condition, a cement-based permeable crystallization type coating waterproof layer 9 is further disposed between the post-cast strip and the pile body, and the coating waterproof layer extends to below the pre-paved reverse-bonded roll waterproof layer 6.
In the embodiment of the large bottom plate modular structure under the time-limited condition, the overhanging reinforcing steel bars of two adjacent prefabricated large bottom plates are mutually connected in a 50% welding and 50% steel wire binding mode, so that the working hours are saved on the basis of ensuring firmness.
Here, the overhanging reinforcing steel bars are welded by 50% and bound by 50% steel wires.
In an embodiment of the modular structure of the large floor under the time-limited condition, the post-cast strip is made of UHPC concrete (ultra high performance concrete).
The invention also provides a construction method of the large-bottom plate modular structure under the time-limited condition, which comprises the following steps:
step S1, sheathing the steel bar of the pile head of the cast-in-place pile top by a PVC sleeve, then pouring the concrete of the pile head and the pile body of the cast-in-place pile, and breaking the concrete outside the PVC plastic sleeve of the pile head;
step S2, adopting a small shaft jumping excavation process, synchronously carrying out whole-course foundation pit excavation and construction, tamping soil and paving gravel sand from bottom to top so as to level the foundation pit;
step S3, a crane platform is set up, and a crane is placed;
step S4, hoisting the precast concrete cushion layer through the crane, and constructing a construction method of pre-paving the anti-adhesion high polymer waterproof roll on the precast concrete cushion layer;
step S5, hoisting the prefabricated large bottom plate through the crane, and welding the reinforcing steel bars of the pile head of the cast-in-place pile with the overhanging reinforcing steel bars of the prefabricated large bottom plate;
and step S6, casting a post-cast strip on the overhanging reinforcing steel bars of the large steel bar prefabricated bottom plates of the post-cast strip pile heads between the adjacent large steel plates.
In conclusion, the invention adopts the construction processes of fast pile head breaking, prefabricated cushion layer close splicing, pre-paving anti-adhesion high-molecular polymer waterproof coiled material construction, pile plate waterproof node connection design, UHPC post-pouring connection and the like, and finally forms a set of efficient, stable and safe large-bottom plate modular construction system.
According to the splicing structure using the prefabricated splicing bottom plates, the prefabricated splicing bottom plates of the underground structure are stably connected with the bottom piles, the structure is completely stressed, and meanwhile, a good waterproof effect is achieved.
The invention is suitable for engineering that the foundation pit is close to the subway tunnel or stretches across the subway tunnel from the top, and prevents the phenomenon that the subway tunnel floats upwards, the normal operation of the subway is influenced and even the subway tunnel is broken because the soil pressure above the subway tunnel is reduced due to short-time unloading of excavation of the foundation pit, and the subway tunnel is influenced greatly.
According to the invention, the large bottom plate and the cushion layer are prefabricated in a factory, a proper prefabricated size is selected by combining the model of the tower crane, and the high-efficiency pile head failure breaking technology is matched to be synchronously carried out with jump excavation of the small vertical shaft, so that a high-efficiency large bottom plate construction system is finally formed.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It will be apparent to those skilled in the art that various changes and modifications may be made in the invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A large floor modular structure under time-limited conditions, comprising:
a plurality of prefabricated large bottom plates arranged in the underground continuous wall;
the post-cast strip is arranged between every two adjacent large prefabricated bottom plates, the overhanging steel bars of each large prefabricated bottom plate stretch into the post-cast strip, and the overhanging steel bars of every two adjacent large prefabricated bottom plates are connected with each other;
the cast-in-place pile comprises a pile body of the cast-in-place pile arranged at the lower part of the post-cast strip, and reinforcing steel bars arranged at the pile head of the cast-in-place pile in the post-cast strip, wherein one end of the reinforcing steel bars of the pile head is connected with the reinforcing steel bars of the pile body, and the other end of the reinforcing steel bars of the pile head is connected.
2. The time-limited large floor modular structure of claim 1, further comprising a finish disposed on the surface of the post-cast strip and the prefabricated large floor.
3. The modular construction of a large floor under time-limited conditions according to claim 1, further comprising a pre-laid reverse-bonded waterproof layer, a pre-cast concrete cushion layer, a gravel sand leveling layer and a plain soil compacting layer, which are arranged on the lower portion of the post-cast strip and the pre-cast large floor, adjacent to the pile body, from top to bottom.
4. The modular structure of a large floor in a time-limited condition according to claim 1, wherein the adjacent precast concrete mats are symmetrically provided with matching and overlapping tongues and grooves.
5. The modular structure of large floor under time-limited conditions as claimed in claim 1, wherein the reinforcing bars of said pile head are sleeved with PVC plastic sleeves.
6. The modular construction of a large floor in a time limited environment of claim 1 wherein said pre-applied anti-adhesive roll waterproof layer is a pre-applied anti-adhesive high molecular polymer waterproof roll.
7. The modular structure of large floor under time-limited conditions according to claim 1, characterized in that a cement-based permeable crystalline paint waterproof layer is further arranged between the post-cast strip and the pile body, and the paint waterproof layer extends to below the pre-paved reverse-bonded roll waterproof layer.
8. The modular structure of large floor boards under limited time conditions according to claim 1, wherein the overhanging steel bars of two adjacent prefabricated large floor boards are connected with each other by means of 50% welding and 50% steel wire binding.
9. The modular structure of large floors under time-limited conditions according to claim 1, characterized in that said post-cast strip is made of UHPC concrete.
10. A construction method of a large-floor modular structure under a time-limited condition is characterized by comprising the following steps:
step S1, sheathing the steel bar of the pile head of the cast-in-place pile top by a PVC sleeve, then pouring the concrete of the pile head and the pile body of the cast-in-place pile, and breaking the concrete outside the PVC plastic sleeve of the pile head;
step S2, adopting a small shaft jumping excavation process, synchronously carrying out whole-course foundation pit excavation and construction, tamping soil and paving gravel sand from bottom to top so as to level the foundation pit;
step S3, a crane platform is set up, and a crane is placed;
step S4, hoisting the precast concrete cushion layer through the crane, and constructing a construction method of pre-paving the anti-adhesion high polymer waterproof roll on the precast concrete cushion layer;
step S5, hoisting the prefabricated large bottom plate through the crane, and welding the reinforcing steel bars of the pile head of the cast-in-place pile with the overhanging reinforcing steel bars of the prefabricated large bottom plate;
and step S6, casting a post-cast strip on the overhanging reinforcing steel bars of the large steel bar prefabricated bottom plates of the post-cast strip pile heads between the adjacent large steel plates.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011605258.6A CN114687377B (en) | 2020-12-30 | 2020-12-30 | Large bottom plate modularized structure under time-limited condition and construction method |
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| CN202011605258.6A CN114687377B (en) | 2020-12-30 | 2020-12-30 | Large bottom plate modularized structure under time-limited condition and construction method |
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| CN114687377A true CN114687377A (en) | 2022-07-01 |
| CN114687377B CN114687377B (en) | 2023-08-08 |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07189274A (en) * | 1993-12-27 | 1995-07-28 | Ando Kensetsu Kk | Framed stud and method of reversely driven rigid frame prefabrication construction |
| CN102587380A (en) * | 2012-02-08 | 2012-07-18 | 湖南省第二工程有限公司 | Construction method for wholly removing drilling pile head |
| CN202519709U (en) * | 2012-04-19 | 2012-11-07 | 博坤建设集团有限公司 | Precast block post-cast strip structure of foundation slab |
| CN104790435A (en) * | 2014-01-17 | 2015-07-22 | 甘肃省建设投资(控股)集团总公司 | Post-subsidence pouring belt advancing waterstop impermeable concrete structure and construction technology thereof |
| WO2015159205A1 (en) * | 2014-04-16 | 2015-10-22 | Team Engineering S.P.A. | Device for the construction of platforms in water on foundation piles, and relative procedure. |
| CN105178357A (en) * | 2015-07-16 | 2015-12-23 | 中国建筑股份有限公司 | Prefabricated subsurface structure under foundation trench open cutting condition and construction method for prefabricated subsurface structure under foundation trench open cutting condition |
| CN107476338A (en) * | 2017-08-21 | 2017-12-15 | 中铁六局集团有限公司 | Prefabricated longeron assembling method |
| CN107476337A (en) * | 2017-08-21 | 2017-12-15 | 中铁六局集团有限公司 | The prefabricated side wall assembling and construction method in open cut subway assembled station |
| CN108396778A (en) * | 2018-01-25 | 2018-08-14 | 成都城投建筑科技投资管理集团有限公司 | A kind of construction method in precast assembly tunnel |
| CN109024649A (en) * | 2018-08-28 | 2018-12-18 | 杭州江润科技有限公司 | Bottom plate multilayer Large-size rebar installs system and construction method |
| CN109137972A (en) * | 2018-08-29 | 2019-01-04 | 南华大学 | A kind of assembled integral basement structure and its safely and fast construction method |
| CN109235499A (en) * | 2018-07-20 | 2019-01-18 | 广州地铁设计研究院股份有限公司 | A kind of open cut hypogee Standard formula construction method |
| CN111663574A (en) * | 2020-05-29 | 2020-09-15 | 中国五冶集团有限公司 | Waterproof method for pre-paved anti-sticking waterproof coiled material pile head |
-
2020
- 2020-12-30 CN CN202011605258.6A patent/CN114687377B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07189274A (en) * | 1993-12-27 | 1995-07-28 | Ando Kensetsu Kk | Framed stud and method of reversely driven rigid frame prefabrication construction |
| CN102587380A (en) * | 2012-02-08 | 2012-07-18 | 湖南省第二工程有限公司 | Construction method for wholly removing drilling pile head |
| CN202519709U (en) * | 2012-04-19 | 2012-11-07 | 博坤建设集团有限公司 | Precast block post-cast strip structure of foundation slab |
| CN104790435A (en) * | 2014-01-17 | 2015-07-22 | 甘肃省建设投资(控股)集团总公司 | Post-subsidence pouring belt advancing waterstop impermeable concrete structure and construction technology thereof |
| WO2015159205A1 (en) * | 2014-04-16 | 2015-10-22 | Team Engineering S.P.A. | Device for the construction of platforms in water on foundation piles, and relative procedure. |
| CN105178357A (en) * | 2015-07-16 | 2015-12-23 | 中国建筑股份有限公司 | Prefabricated subsurface structure under foundation trench open cutting condition and construction method for prefabricated subsurface structure under foundation trench open cutting condition |
| CN107476338A (en) * | 2017-08-21 | 2017-12-15 | 中铁六局集团有限公司 | Prefabricated longeron assembling method |
| CN107476337A (en) * | 2017-08-21 | 2017-12-15 | 中铁六局集团有限公司 | The prefabricated side wall assembling and construction method in open cut subway assembled station |
| CN108396778A (en) * | 2018-01-25 | 2018-08-14 | 成都城投建筑科技投资管理集团有限公司 | A kind of construction method in precast assembly tunnel |
| CN109235499A (en) * | 2018-07-20 | 2019-01-18 | 广州地铁设计研究院股份有限公司 | A kind of open cut hypogee Standard formula construction method |
| CN109024649A (en) * | 2018-08-28 | 2018-12-18 | 杭州江润科技有限公司 | Bottom plate multilayer Large-size rebar installs system and construction method |
| CN109137972A (en) * | 2018-08-29 | 2019-01-04 | 南华大学 | A kind of assembled integral basement structure and its safely and fast construction method |
| CN111663574A (en) * | 2020-05-29 | 2020-09-15 | 中国五冶集团有限公司 | Waterproof method for pre-paved anti-sticking waterproof coiled material pile head |
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| Publication number | Publication date |
|---|---|
| CN114687377B (en) | 2023-08-08 |
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