CN112240025A - Station foundation pit engineering cover-excavation construction method - Google Patents
Station foundation pit engineering cover-excavation construction method Download PDFInfo
- Publication number
- CN112240025A CN112240025A CN202011129695.5A CN202011129695A CN112240025A CN 112240025 A CN112240025 A CN 112240025A CN 202011129695 A CN202011129695 A CN 202011129695A CN 112240025 A CN112240025 A CN 112240025A
- Authority
- CN
- China
- Prior art keywords
- underground continuous
- foundation pit
- station foundation
- cover plate
- installing
- 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
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C17/00—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports
- B66C17/06—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C5/00—Base supporting structures with legs
- B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C6/00—Girders, or track-supporting structures, specially adapted for cranes
-
- 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
- E02D29/04—Making large underground spaces, e.g. for underground plants, e.g. stations of underground railways; Construction or layout thereof
Abstract
The invention discloses a capping and excavating construction method for station foundation pit engineering, which comprises the following steps: constructing underground continuous walls positioned at two sides of a station foundation pit and a plurality of columns positioned between the underground continuous walls at two sides; downwards excavating the station foundation pit on the soil body structure between the column body and the underground continuous walls on the two sides, and installing a support piece and a cover plate positioned above the support piece; downwards excavating the station foundation pit, and installing a suspension system which is positioned right below the supporting piece and the cover plate between the underground continuous wall and the main body; and repeatedly excavating and installing the supporting piece until the bottom of the station foundation pit is excavated. In the above process, construction members, removed supports, and other structural members for connection, which are required for construction, may be transported by the suspension system. The invention solves the problem that the construction components in the area below the cover plate are difficult to transport in the traditional cover and excavation construction method.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a station foundation pit engineering cover excavation construction method.
Background
With the continuous acceleration of the urbanization process in China, the urban construction scale is enlarged year by year, so that the problem of urban traffic jam is increasingly serious. In order to effectively relieve the ground traffic pressure, underground traffic engineering is vigorously built in all big cities. However, because subway stations are mostly arranged in urban central areas, in order to reduce the negative influence of construction on the surrounding environment as much as possible, the problems of narrow site, difficult land occupation and the like are frequently encountered in the construction of station foundation pits, and certain challenges are brought to the smooth promotion of engineering. The cover-excavation construction method can quickly recover road traffic by means of the unique construction step sequence, and the influence of construction on the life and the trip of surrounding residents is reduced to the maximum extent, so that the cover-excavation construction method is widely applied to the subway station foundation pit engineering. However, the cover and excavation construction method has the problem that construction components in the area below the cover plate are difficult to transport, holes are often drilled on the cover plate to hoist the cover plate and the cover plate is transported to a working face in a matching manner, the process is complicated, the safety is poor, the efficiency is low, the construction risk is increased to a certain extent, and the engineering period is prolonged.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a station foundation pit engineering cover-excavation construction method, and solves the problem that construction components in the area below a cover plate are difficult to transport in the traditional cover-excavation construction method.
In order to achieve the purpose, the invention adopts the technical scheme that: a covering and excavating construction method for station foundation pit engineering comprises the following steps:
constructing underground continuous walls positioned at two sides of a station foundation pit and a plurality of columns positioned between the underground continuous walls at two sides;
downwards excavating the station foundation pit in the soil body structure between the column body and the underground continuous walls on the two sides, and mounting a support piece and a cover plate positioned above the support piece between the column body and the underground continuous walls on the two sides;
downwards excavating the station foundation pit, installing a suspension system which is positioned under the cover plate between the underground continuous wall and the column body, wherein the installation of the suspension system comprises the following steps:
installing a track system on the underground continuous wall and one side opposite to the column body;
installing a hoisting piece on the track system;
downwards excavating the station foundation pit at the bottom of the support member and mounting the next support member;
repeatedly excavating and installing the supporting piece until the supporting piece is excavated to the bottom of the station foundation pit;
dismantling a plurality of supports positioned below the suspension system and constructing a main body structure of the station foundation pit, and transporting construction components required by construction, the dismantled supports and other structural components for connection by using the suspension system;
removing the suspension system.
Optionally, constructing underground continuous walls positioned at two sides of a station foundation pit and a plurality of columns positioned between the underground continuous walls at two sides; and downwards excavating the station foundation pit in the soil body structure between the column body and the underground continuous walls on the two sides, and in the step of installing a support piece and a cover plate positioned above the support piece between the column body and the underground continuous walls on the two sides, the method comprises the following steps:
constructing the underground continuous wall and the plurality of columns on one side of the station foundation pit;
excavating downwards a soil body structure between the underground continuous wall and the columns, and installing the supporting pieces for connecting the underground continuous wall and the columns and the cover plate positioned above the supporting pieces;
constructing the underground continuous wall on the other side;
and excavating the soil body structure between the underground continuous wall and the column body which are constructed later downwards, and installing the supporting piece for connecting the underground continuous wall and the column body.
Optionally, an area between the underground continuous wall and the column, which is constructed first, and where the cover plate is installed is a cover plate area, and an area between the underground continuous wall and the column, which is constructed later, where the cover plate is not installed is a non-cover plate area; after the step of removing the suspension system, further comprising the steps of:
removing the support above the suspension system in the non-decking region;
carrying out pipeline relocation and soil covering and backfilling on the upper surface of the main body structure in the non-cover plate area to the original ground elevation;
removing the decking, the support above the suspension system in the region of the decking and the columns;
and carrying out pipeline relocation and soil covering and backfilling on the upper surface of the main body structure positioned in the cover plate area to the original ground elevation.
Optionally, a crown beam is arranged at the top end of the underground continuous wall, a longitudinal beam is arranged at the top end of the column body, and the cover plate is arranged above the crown beam and the longitudinal beam and is cast with the longitudinal beam and the crown beam synchronously.
Optionally, the step of installing a track system on the underground diaphragm wall and the opposite side of the column comprises the steps of:
respectively installing supporting pieces at one sides of the underground continuous wall and the column body close to each other;
respectively installing first guide rails on the underground continuous wall and the supporting pieces on the columns;
and a second guide rail which moves along the length direction of the first guide rail is arranged between the underground continuous wall and the first guide rail of the column body.
Optionally, the hoisting part comprises an electric hoist moving on the second guide rail, and a hoisting rope and a hoisting hook hanging downwards are arranged on the electric hoist; the steps of installing a hoisting piece on the track system are as follows: and the lifting piece moving along the length direction of the second guide rail is arranged on the second guide rail.
Due to the adoption of the technical scheme, the invention has the following beneficial effects: the lifting piece is controlled to move in the directions of front, back, left and right, up and down positions of the bottom of the cover plate through the suspension system, the problem that construction components in the area below the cover plate are difficult to transport in the traditional cover and excavation construction method is solved, and therefore construction efficiency is improved, construction period is shortened, and engineering risks are reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of the completion of the cover plate in the cover and excavation construction method of the station foundation pit engineering.
Fig. 2 is a schematic view of the installation of a suspension system in the capping and excavating construction method of the station foundation pit engineering.
Fig. 3 is an enlarged structural view of a in fig. 2.
FIG. 4 is a schematic diagram of foundation pit excavation by the station foundation pit engineering cover excavation construction method of the invention.
FIG. 5 is a schematic view of the construction of the internal structure of the station foundation pit engineering cover excavation construction method.
FIG. 6 is a schematic diagram of the suspension system removal and partial pavement restoration in the station foundation pit engineering cover and excavation construction method of the present invention.
FIG. 7 is a schematic diagram of the construction completion of the station foundation pit engineering cover excavation construction method.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
The invention is described in further detail below with reference to the figures and specific embodiments.
The station foundation pit engineering cover-excavation construction method provided by the embodiment of the invention comprises the following steps:
s1: and constructing an underground continuous wall 7 and a plurality of columns 8 which are positioned at one side of the station foundation pit.
The column 8 is a lattice column, and a cast-in-situ bored pile 9 arranged at the bottom of the station foundation pit is arranged below the lattice column, as shown in fig. 1.
In this embodiment, the plurality of columns 8 are arranged in two rows, and each row of columns 8 is arranged in parallel with the continuous wall 7.
S2: the soil structure between the underground diaphragm wall 7 and the column 8 is excavated downwards and a support member 10 connecting the underground diaphragm wall 7 and the column 8 and a cover plate 13 positioned above the support member 10 are installed, as shown in fig. 1.
The top end of the underground continuous wall 7 is provided with a crown beam 11, the top end of the column 8 is provided with a longitudinal beam 12, and the cover plate 13 is arranged above the crown beam 11 and the longitudinal beam 12 and is cast and constructed with the longitudinal beam 12 and the crown beam 11 synchronously to form an integral stress system. Preferably, the lifting hook is embedded at the bottom of the cover plate 13 so as to facilitate the installation of the suspension system in the later period.
After the strength of the cover plate 13 meets the design requirement, social traffic is overturned to the upper part of the cover plate 13 to operate.
S3: the underground continuous wall 7 of the other side and the crown beams 11 on the underground continuous wall 7 are constructed as shown in fig. 2.
S4: the soil structure between the underground diaphragm wall 7 and the column 8 constructed later is excavated downward, and a support member 10 connecting the underground diaphragm wall 7 and the column 8 is installed, as shown in fig. 2.
The area between the underground continuous wall 7 and the column 8 which are constructed first and provided with the cover plate 13 is the cover plate area, and the area between the underground continuous wall 7 and the column 8 which are constructed later and not provided with the cover plate 13 is the non-cover plate area.
S5: the soil structure below the cover area is excavated and a suspension system is installed as shown in figures 2 and 3.
In this embodiment, the columns 8 are disposed in two rows below the cover region, wherein suspension systems are disposed between the underground continuous wall 7 and the adjacent one row of columns 8 and between the two rows of columns 8.
In this embodiment the suspension comprises a rail system and a sling, the rail system being mounted between the underground continuous wall 7 and the columns 8 and between the two rows of columns 8 by means of the support 1, wherein the rail system comprises a first rail 3 and a second rail 5.
The supporting piece 1 is respectively installed at the top end positions of the underground continuous wall 7 and the column body 8 and used for installing the first guide rail 3, and the supporting piece 1 can be a steel corbel and is fixedly connected with the underground continuous wall 7 or the lattice column. The underground continuous wall 7 and the lattice column are respectively provided with a plurality of I-shaped steel beams 2 attached to the wall or the column through a steel bracket upper fixing frame, and the end parts of the I-shaped steel beams 2 are in pairwise butt joint. The first guide rail 3 is arranged on the I-shaped steel beam 2, so that a second guide rail 5 which is transversely arranged is erected between the underground continuous wall 7 and the first guide rail 3 between the lattice columns (and between the lattice columns), and the end parts of the second guide rail 5 are respectively provided with a roller 4 which is matched with the first guide rail 3 and contains a driving motor, so that the second guide rail 5 can horizontally and longitudinally move on the first guide rail 3. The second guide rail 5 is provided with a hoisting part capable of horizontally and transversely moving, wherein the hoisting part comprises hoisting construction components such as an electric hoist 6, a lifting rope 6-1, a hook and the like.
The second guide rail 5 can be controlled to move back and forth along the laying direction of the first guide rail 3, the electric hoist 6 moves left and right along the axial direction of the second guide rail 5 and the lifting rope 6-1 and the hook 6-2 of the electric hoist 6 vertically move in the height direction through a remote control device, so that the problem of transportation of construction components in the area below the cover plate 13 in any direction is solved. And in order not to affect the subsequent construction of the main structure 15, the minimum elevation of the suspension system should be greater than the design height of the main structure 15.
The suspension system comprises the following steps when installed:
s51: the supporting pieces 1 are respectively arranged at one sides of the underground continuous wall 7 and the column body 8 which are close to each other.
In this embodiment, since two rows of columns 8 are provided, suspension systems are respectively provided between the two rows of columns 8 and between the columns 8 and the underground continuous wall 7, and the support member 1 is a steel corbel, the steps during installation are as follows: and steel brackets are respectively arranged on one side of the underground continuous wall 7 close to the adjacent row of columns 8 and one side of the two rows of columns 8 close to each other.
S52: the first guide rail 3 is respectively arranged on the supporting piece 1 on the underground continuous wall 7 and the column body 8.
When the first guide rail 3 is installed, the I-shaped steel beam 2 is installed on the bearing part 1, and then the first guide rail 3 is installed on the I-shaped steel beam 2.
S53: a second guide rail 5 moving in the longitudinal direction of the first guide rail 3 is installed between the underground diaphragm wall 7 and the first guide rail 3 of the column 8.
S54: and a hoisting piece moving along the length direction of the second guide rail 5 is arranged on the second guide rail 5.
The hoisting piece comprises an electric hoist 6 moving on the second guide rail 5, and a hoisting rope 6-1 and a hook 6-2 which are vertically arranged downwards are arranged on the electric hoist 6.
S6: the soil structure between the two side underground continuous walls 7 is excavated downwards and the next support member 10 is installed as shown in figure 4.
S7: and repeating the step S6 until the bottom of the station foundation pit is excavated.
S8: and (3) dismantling the plurality of supporting pieces 10 section by section from bottom to top and constructing a main body structure 15 in the station foundation pit until the construction is carried out below the suspension system, as shown in fig. 5.
When the foundation pit is excavated to the bottom of the station foundation pit, the concrete cushion 14 and the structural bottom plate 15-1 are constructed, when the strength of the structural bottom plate 15-1 reaches the standard, the corresponding supporting piece 10 in the construction area of the next procedure is removed timely, an internal structure is constructed, the steps of removing the previous one or more supporting pieces 10 and constructing the internal structure are repeated until the internal structure is constructed to the bottom end of the suspension system, and at the moment, the structural top plate 15-2 of the main structure 15 is constructed at the position below the suspension system. In the above process, construction members required for construction, the removed supports 10, and other structural members for connection may be transported by the suspension system.
S9: the suspension system is removed.
S10: the support 10 above the suspension system in the non-decking region is removed.
S11: the pipeline 17 is returned and the earth 18 is backfilled to the original ground level in the non-cover area of the upper surface of the structural roof 15-2, as shown in fig. 6.
During construction, retaining walls 16 are also constructed above the body structure 15 between the cover sheet area and the non-cover sheet area.
S12: the cover 13, the support 10 above the suspension system in the area of the cover and the column 8 are removed.
After the backfill of the non-decking region earthing 18 on the structural roof 15-2 is completed, social traffic is turned over to run over the upper surface of the non-decking region, so that the decking 13, the supports 10 above the suspension system in the decking region and the columns 8 can be removed.
S13: and (3) carrying out pipeline 17 relocation and earth covering 18 backfilling on the cover plate area on the upper surface of the structural top plate 15-2 to the original ground elevation, and completely recovering road traffic, as shown in fig. 7.
In the process, a road surface area for social traffic is always arranged above the construction soil body structure, the influence of construction on the living trip of surrounding residents is reduced to the maximum extent, the construction components are transported in the construction process through the suspension system in the construction process, holes do not need to be formed in the cover plate 13, the construction risk is reduced, and the construction efficiency is also improved.
It should be noted that the structures, ratios, sizes, and the like shown in the drawings attached to the present specification are only used for matching the disclosure of the present specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions of the present invention, so that the present invention has no technical essence, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A station foundation pit engineering cover-excavation construction method is characterized by comprising the following steps:
constructing underground continuous walls positioned at two sides of a station foundation pit and a plurality of columns positioned between the underground continuous walls at two sides;
downwards excavating the station foundation pit in the soil body structure between the column body and the underground continuous walls on the two sides, and mounting a support piece and a cover plate positioned above the support piece between the column body and the underground continuous walls on the two sides;
downwards excavating the station foundation pit, installing a suspension system which is positioned under the cover plate between the underground continuous wall and the column body, wherein the installation of the suspension system comprises the following steps:
installing a track system on the underground continuous wall and one side opposite to the column body;
installing a hoisting piece on the track system;
downwards excavating the station foundation pit at the bottom of the support member and mounting the next support member;
repeatedly excavating and installing the supporting piece until the supporting piece is excavated to the bottom of the station foundation pit;
dismantling a plurality of supports positioned below the suspension system and constructing a main body structure of the station foundation pit, and transporting construction components required by construction, the dismantled supports and other structural components for connection by using the suspension system;
removing the suspension system.
2. The cover and excavation construction method for station foundation pit engineering as claimed in claim 1, wherein underground continuous walls located at both sides of a station foundation pit and a plurality of columns located between the underground continuous walls at both sides are constructed; and downwards excavating the station foundation pit in the soil body structure between the column body and the underground continuous walls on the two sides, and in the step of installing a support piece and a cover plate positioned above the support piece between the column body and the underground continuous walls on the two sides, the method comprises the following steps:
constructing the underground continuous wall and the plurality of columns on one side of the station foundation pit;
excavating downwards a soil body structure between the underground continuous wall and the columns, and installing the supporting pieces for connecting the underground continuous wall and the columns and the cover plate positioned above the supporting pieces;
constructing the underground continuous wall on the other side;
and excavating the soil body structure between the underground continuous wall and the column body which are constructed later downwards, and installing the supporting piece for connecting the underground continuous wall and the column body.
3. The capping and excavating construction method for station foundation pit engineering according to claim 2, wherein a region where the cover plate is installed between the underground diaphragm wall and the column that are constructed first is a cover plate region, and a region where the cover plate is not installed between the underground diaphragm wall and the column that are constructed later is a non-cover plate region; after the step of removing the suspension system, further comprising the steps of:
removing the support above the suspension system in the non-decking region;
carrying out pipeline relocation and soil covering and backfilling on the upper surface of the main body structure in the non-cover plate area to the original ground elevation;
removing the decking, the support above the suspension system in the region of the decking and the columns;
and carrying out pipeline relocation and soil covering and backfilling on the upper surface of the main body structure positioned in the cover plate area to the original ground elevation.
4. The cover and excavation construction method for station foundation pit engineering as claimed in claim 1, wherein a crown beam is arranged at the top end of the underground continuous wall, a longitudinal beam is arranged at the top end of the column, and the cover plate is arranged above the crown beam and the longitudinal beam and is cast with the longitudinal beam and the crown beam synchronously.
5. The capping and excavating construction method for a station foundation pit project as claimed in claim 1, wherein the step of installing a rail system on the side opposite to the underground diaphragm wall and the column includes the steps of:
respectively installing supporting pieces at one sides of the underground continuous wall and the column body close to each other;
respectively installing first guide rails on the underground continuous wall and the supporting pieces on the columns;
and a second guide rail which moves along the length direction of the first guide rail is arranged between the underground continuous wall and the first guide rail of the column body.
6. The cover and excavation construction method for station foundation pit engineering as claimed in claim 5, wherein the hoisting member comprises an electric hoist moving on the second guide rail, and the electric hoist is provided with a hoisting rope and a hook hanging downwards; the steps of installing a hoisting piece on the track system are as follows: and the lifting piece moving along the length direction of the second guide rail is arranged on the second guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011129695.5A CN112240025A (en) | 2020-10-21 | 2020-10-21 | Station foundation pit engineering cover-excavation construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011129695.5A CN112240025A (en) | 2020-10-21 | 2020-10-21 | Station foundation pit engineering cover-excavation construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112240025A true CN112240025A (en) | 2021-01-19 |
Family
ID=74169460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011129695.5A Pending CN112240025A (en) | 2020-10-21 | 2020-10-21 | Station foundation pit engineering cover-excavation construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112240025A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113106994A (en) * | 2021-03-24 | 2021-07-13 | 中铁一局集团有限公司 | Wide waterproof plate laying method for cover-excavation top-down subway station |
| CN114960751A (en) * | 2022-07-29 | 2022-08-30 | 中国铁路设计集团有限公司 | Method for attaching open excavation construction of subway station and then covering excavation and top-down construction of subway station |
| CN117188224A (en) * | 2023-08-22 | 2023-12-08 | 中铁十一局集团有限公司 | Recyclable track beam and construction method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002061211A1 (en) * | 1998-12-29 | 2002-08-08 | White Richard W | Integrated excavation shoring building foundation method |
| US20120155968A1 (en) * | 2010-12-16 | 2012-06-21 | Korea Engineering & Consultant Co., Ltd. | Construction method of cellar for building completed |
| CN206916751U (en) * | 2017-06-30 | 2018-01-23 | 中国建筑第六工程局有限公司 | Horizontal bracing members have bad luck peace and tear constructing structure open below a kind of half base hole cover-digging cover plate |
| CN108487297A (en) * | 2018-03-01 | 2018-09-04 | 中铁隧道集团二处有限公司 | The construction method that bracing members are set up in a kind of half lid excavation construction of subway station |
| CN110042867A (en) * | 2019-04-29 | 2019-07-23 | 中铁第四勘察设计院集团有限公司 | Complete combined assembled subway station prefabricated components mechanization transportation system and method |
| CN111395395A (en) * | 2020-04-22 | 2020-07-10 | 中铁四局集团有限公司 | Installation process of subway deep foundation pit cover excavation lower supporting system |
-
2020
- 2020-10-21 CN CN202011129695.5A patent/CN112240025A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002061211A1 (en) * | 1998-12-29 | 2002-08-08 | White Richard W | Integrated excavation shoring building foundation method |
| US20120155968A1 (en) * | 2010-12-16 | 2012-06-21 | Korea Engineering & Consultant Co., Ltd. | Construction method of cellar for building completed |
| CN206916751U (en) * | 2017-06-30 | 2018-01-23 | 中国建筑第六工程局有限公司 | Horizontal bracing members have bad luck peace and tear constructing structure open below a kind of half base hole cover-digging cover plate |
| CN108487297A (en) * | 2018-03-01 | 2018-09-04 | 中铁隧道集团二处有限公司 | The construction method that bracing members are set up in a kind of half lid excavation construction of subway station |
| CN110042867A (en) * | 2019-04-29 | 2019-07-23 | 中铁第四勘察设计院集团有限公司 | Complete combined assembled subway station prefabricated components mechanization transportation system and method |
| CN111395395A (en) * | 2020-04-22 | 2020-07-10 | 中铁四局集团有限公司 | Installation process of subway deep foundation pit cover excavation lower supporting system |
Non-Patent Citations (2)
| Title |
|---|
| 专业文档下载: "半盖挖顺筑车站施工工艺工法（中铁五局）", 《豆丁建筑HTTPS://JZ.DOCIN.COM/P-2124539094.HTML》 * |
| 文档资源下载: "盖挖顺筑车站施工工艺工法", 《豆丁建筑HTTPS://JZ.DOCIN.COM/P-2123442152.HTML》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113106994A (en) * | 2021-03-24 | 2021-07-13 | 中铁一局集团有限公司 | Wide waterproof plate laying method for cover-excavation top-down subway station |
| CN114960751A (en) * | 2022-07-29 | 2022-08-30 | 中国铁路设计集团有限公司 | Method for attaching open excavation construction of subway station and then covering excavation and top-down construction of subway station |
| CN114960751B (en) * | 2022-07-29 | 2022-12-09 | 中国铁路设计集团有限公司 | Method for attaching open excavation construction of subway station and then covering excavation and top-down construction of subway station |
| CN117188224A (en) * | 2023-08-22 | 2023-12-08 | 中铁十一局集团有限公司 | Recyclable track beam and construction method thereof |
| CN117188224B (en) * | 2023-08-22 | 2024-03-08 | 中铁十一局集团有限公司 | Recyclable track beam and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112240025A (en) | Station foundation pit engineering cover-excavation construction method | |
| CN107558494B (en) | Underground station structure for rail transit and construction method thereof | |
| CN100441779C (en) | Space-precasting translation-emplacing method for bridge construction | |
| CN105736001A (en) | Construction method for building subway station through precast parts | |
| CN107237350A (en) | The pushing tow correction support replacement system and method for prefabricated assembled underpass structure | |
| CN110158602B (en) | Soft soil geological deep foundation pit supporting excavation construction structure and construction method | |
| CN107740423B (en) | Construction method for prefabricated assembled urban underpass tunnel | |
| CN114775622B (en) | Construction method for special-shaped deep foundation pit with limited construction space of close-proximity building structure | |
| CN110725349A (en) | Bearing platform replacement construction device and method for canopy column of high-speed rail station | |
| CN113638617B (en) | Method for underground layer-adding during trailer shifting | |
| CN216275712U (en) | Corner bracing construction structures | |
| CN211872669U (en) | Uneven jacking system of current bridge superstructure | |
| CN113090066A (en) | Construction method for newly added entrances and exits of existing buildings and elevator shaft | |
| CN113293766A (en) | Comprehensive earthwork excavation method for large-scale cover excavation top-down T-shaped transfer subway station | |
| AU2016102393A4 (en) | A Method of constructing a column, a tunnel, and a tunnel made from the method | |
| CN112177042A (en) | Rail transit station construction method without affecting ground traffic | |
| CN111503367A (en) | Method for installing truss pipeline penetrating through high-speed culvert | |
| CN113309145B (en) | Method for dismantling through-floor tower crane for large building construction | |
| CN217949111U (en) | A assembly welding formula steel open caisson for narrow and small space | |
| CN113668893B (en) | Horizontal-position underground storey-adding method for frame structure building | |
| CN113668892B (en) | Underground storey-adding method for downhill displacement of frame structure building | |
| CN113684834B (en) | Construction method of complex environment supporting system | |
| CN213741181U (en) | Pile foundation cantilever type structure for underpinning underground building | |
| CN218786853U (en) | Underground excavation pile foundation underpinning system with closely-adhered lower penetrating existing structure | |
| CN111255490B (en) | Device for preventing soil body on upper part of pipe curtain structure from settling and construction method thereof |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210119 |