CN105804088B - The construction method that wall and temporary support are removed by stages in deep basal pit stage construction - Google Patents
The construction method that wall and temporary support are removed by stages in deep basal pit stage construction Download PDFInfo
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- CN105804088B CN105804088B CN201610163731.7A CN201610163731A CN105804088B CN 105804088 B CN105804088 B CN 105804088B CN 201610163731 A CN201610163731 A CN 201610163731A CN 105804088 B CN105804088 B CN 105804088B
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- 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
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Abstract
The invention discloses the construction method that wall and temporary support are removed by stages in a kind of deep basal pit stage construction, including Step 1: wall by stages of constructing, using wall by stages as border, the Foundation Pit Construction in preceding hole is carried out until completing sole plate, and form the basement structure in preceding hole；Step 2: using wall by stages as border, the earth excavation cheated after starting, while carry out temporary support construction, after the completion of the sole plate cheated；Step 3: the basement structure cheated after the temporary support cheated after successively removing from bottom to top, construction；Chuan Liang holes are opened up at each sandwich beam in hole before wall by stages is corresponding, is connected as one by the Chuan Liang holes Jiang Houkeng and preceding hole same layer structural beams, forms a complete structural beams, the basement structure cheated after the completion of；Disposably wall by stages is removed from top to bottom；Step 5: completing filling a vacancy for each Rotating fields.The present invention can improve efficiency of construction, cost-effective, meet the demand for development of green construction, overcome the defect of deep basal pit secondary deformation.
Description
Technical field
The present invention relates to technical field of building construction, wall and temporarily branch by stages in more particularly to a kind of deep basal pit stage construction
Support the construction method removed.
Background technology
Soft Soil Foundation Pit support for front and rear point of hole construction between Qian Keng and rear hole, it is necessary to set wall by stages.Tradition
Way is to take identical construction technology to Qian Keng and rear hole, i.e., first during which set support, then enter from the bottom up along making to hole bottom
Row, which is removed, supports and completes the constructions of each Rotating fields in deep basal pit underground, is finally layered, carries out tearing open for wall by stages in batches, in installments
Remove.Such a method is taken time and effort, it is necessary to set a large amount of temporary supports, causes the waste of material and manpower, and wall is not also by stages
It can disposably unify to be removed, efficiency of construction is substantially reduced, and have impact on the duration, is caused unnecessary waste, is unsatisfactory for
The demand for development of green construction.
The content of the invention
The technical problems to be solved by the invention be overcome the above not enough there is provided in a kind of deep basal pit stage construction by stages
The construction method that wall and temporary support are removed, to improve efficiency of construction, save artificial, material and time cost, meets green
The demand for development of color construction, and overcome the defect of deep basal pit secondary deformation.
In order to solve the above-mentioned technical problem, wall and temporary support are torn open by stages in a kind of deep basal pit stage construction of present invention offer
The construction method removed, comprises the following steps：
Step 1: wall by stages of constructing, using wall by stages as border, the Foundation Pit Construction in hole is until the basic bottom of completion before carrying out
Plate, and the basement structure in preceding hole is formed, wherein the basement structure in preceding hole includes at least one layer of structural beams；
Step 2: using wall by stages as border, the earth excavation cheated after starting, while carry out temporary support construction, after the completion of
The sole plate in hole；
Step 3: the basement structure cheated after the temporary support cheated after successively removing from bottom to top, construction；In wall pair by stages
Chuan Liang holes are opened up at each sandwich beam in the preceding hole answered, are connected as by the Chuan Liang holes Jiang Houkeng and preceding hole same layer structural beams
One, forms a complete structural beams, the basement structure cheated after the completion of；
Step 4: disposably removing wall by stages from top to bottom；
Step 5: completing filling a vacancy for each Rotating fields.
Further, the construction method that the present invention is provided, before the dismounting of wall by stages, deep base is used as using complete structural beams
The transverse horizontal support in hole, to replace the construction support replacement during wall is removed by stages.
Further, the construction method that provides of the present invention, in step 4, using from top to bottom along wall total length by stages successively
The step of removing wall by stages；After wall dismantling step by stages, in addition to the step of fill a vacancy the floor structure in front and rear hole,
So that the constructing structure in front and rear hole is linked to be into entirety.
Further, the construction method that the present invention is provided, in step 3, construction Chuan Liang holes, front and rear hole structural beams are linked as
The step of one is with removing temporary support is carried out simultaneously.
Further, the construction method that the present invention is provided, using drilling machine, round opens up Chuan Liang holes on wall by stages, is used for
The connection of front and rear hole correspondence position structural beams, the size in Chuan Liang holes, with meet the reinforcing bar colligations of structural beams, formwork erection space
Demand is defined.
Further, the construction method that provides of the present invention, cutting disassembling by stages wall when, carried out using cutting tool first horizontal
Cut, erect the sequential steps cut again, when crosscutting, cut-out direction is cut relative to horizontal level into angle of inclination direction, cut into full
The block of sufficient hanging device performance requirement.
Further, the construction method that the present invention is provided, the step of metope for being additionally included in wall by stages is rule, with edge
Wire cutting is block；The lines of the line are virtual lines or entity lines.
Further, the construction method that the present invention is provided, reserves 1 between the floor structure cheated after being additionally included in and by stages wall
Space more than rice, the step of block after wall cutting hangs out removal using hanging device from space by stages.
Further, the construction method that provides of the present invention, carried out by the way of successively filling a vacancy from top to bottom structural beams and
Flooring is filled a vacancy；Or carry out structural beams by the way of remaining floor after the first first floor and flooring is filled a vacancy.
Further, the construction method that provides of the present invention, carried out by the way of remaining floor after the first first floor structural beams and
Flooring is filled a vacancy in step, first completes initial layer structure, as the construction site of the ground floor directly over wall by stages, carries out top knot
Structure is constructed, synchronous to carry out filling a vacancy for remaining floor structure of underground, to accelerate speed of application.
Compared with prior art, connected by opening up hole Jiang Houkeng in wall by stages with the front-end geometry beam of the corresponding layer in preceding hole
It is connected in one and a root architecture beam is integrally formed, then the root architecture beam forms the support system of a completion to deep basal pit, substitutes
Traditional wall by stages needs the support replacement technique taken in removing, and reduces in traditional demolishing process of wall by stages in wall by stages
And its relative foundation ditch border sets transverse horizontal to support, and level is changed in wall region by stages and/or perpendicular removing
The processing step of allotment support, and the structural beams in an entirety on foundation ditch border are formed, transverse horizontal is played in deep basal pit
Supporting role, reduces the secondary deformation of deep basal pit, it is ensured that the safety of basement structure.After such scheme, wall by stages
Can disposable overall pulling down, therefore change tradition by stages wall remove need to be layered wall by stages in technique, in batches, divide
Phase simultaneously jump storehouse dismounting pattern, overcome the defect that can not be quickly removed in work progress, allow by stages wall it is disposable
Unified progress is removed, and efficiency of construction is greatly improved.In addition, front-end geometry beam connection of the present invention in front and rear hole same layer
After a root architecture beam, while the temporary support in being cheated after dismounting is realized, to improve efficiency of construction.Applied using aforesaid way
Work method removes wall and temporary support by stages, not only saves artificial and material, reduces the discarded object of supporting removal formation, and
And influence to environment is also reduced, meet the demand for development of green construction.
Brief description of the drawings
Fig. 1-4 is the work progress schematic diagram of the basement structure of the front and rear hole stage construction of one embodiment of the invention；
Fig. 5 is the wall cross section structure schematic diagram by stages of one embodiment of the invention；
Fig. 6 is the structural representation of one embodiment of the invention wall cutting disassembling by stages；
Fig. 7 is the structural representation of one embodiment of the invention wall transverse cuts by stages；
Fig. 8 is the structural representation that one embodiment of the invention sets up crosshead；
Fig. 9 is the enlarged drawing at A in Fig. 5；
Figure 10 is the enlarged drawing at B in Fig. 5.
Shown in figure：101st, deep basal pit, 101a, preceding hole, 101b, rear hole, 200, wall by stages, 201, block, 202, horizontal line
Bar, 203, vertical moulding, 204, hole for hoist, 206, Chuan Liang holes, 301, sole plate, 301a, the sole plate in preceding hole, 301b, after
The sole plate in hole, 302, fabric beam, 302a, the fabric beam in preceding hole, 302b, the fabric beam cheated afterwards, 303,
Interlayer structure beam, 303a, the interlayer structure beam in preceding hole, 303b, the interlayer structure beam cheated afterwards, 304, top level structure beam,
304a, the top level structure beam in preceding hole, 304b, the top level structure beam cheated afterwards, 305a, the structural column in preceding hole, 305b, the structure cheated afterwards
Post, 402b, the bottom temporary support cheated afterwards, 403b, the intermediate layer temporary support cheated afterwards, 404b, the interim branch for the top layer cheated afterwards
Support, F is transverse cuts face, 500, crosshead, 600, crane, 601, rope.
Embodiment
The present invention is described in detail below in conjunction with the accompanying drawings：
It refer to Fig. 1-5, the method that the present embodiment provides stage construction basement structure before and after a kind of deep basal pit, including with
Lower step：
Step 1: wall 200 by stages of constructing, are border with wall 200 by stages, hole 101a construction before carrying out forms preceding cheat
101a basement structure, wherein basement structure include at least one layer of structural beams and sole plate 301a；Wherein preceding hole 101a
For the region in the left side of wall 200 by stages in Fig. 1-3, wherein hole 101b is the region on the right side of wall by stages afterwards；
Step 2: with the border of wall 200 by stages, 101b earth excavation is cheated after starting, while carry out temporary support construction,
After the completion of cheat 101b sole plate 301b；Will before the base plate of foundation pit 301a and the sole plate 301b that cheats afterwards in hole be connected as
Whole sole plate 301；
Step 3, the basement structure cheated after the temporary support cheated after successively removing from bottom to top, construction；In wall by stages
Chuan Liang holes 206 are opened up at 200 corresponding preceding hole 101a each sandwich beam, 101b and preceding hole are cheated by after by the Chuan Liang holes 206
The structural beams of the same layer of 101a correspondence positions are connected as one, and form a complete sandwich beam, are cheated after the completion of
101b basement structure, to form the basement structure of a complete deep basal pit 101；101b basement knot is wherein cheated afterwards
Structure is corresponding with preceding hole 101a basement structure；It is three-decker beam in present embodiment, is fabric beam 302 respectively,
It is preceding to cheat corresponding fabric beam 302a, corresponding fabric beam 302b, the structural beams 303 in intermediate layer, preceding hole correspondence are cheated afterwards
Interlayer structure beam 303a, cheat corresponding interlayer structure beam 303b afterwards, the structural beams 304 of top layer, the corresponding top layer in preceding hole
Structural beams 304a, cheats corresponding top level structure beam 304b afterwards, and the structural beams in wherein intermediate layer are not limited to one layer, can be multilayers；
It is corresponding remove after hole 101b temporary support be after the bottom temporary support 402b cheated, the intermediate layer temporary support cheated afterwards
403b, the top layer temporary support 404b cheated afterwards；
Step 4: disposably removing wall 200 by stages from top to bottom；Structural beams 304 and the intermediate layer of top layer are removed first
Wall 200 by stages between structural beams 303, secondly remove the wall by stages between interlayer structure beam 303 and fabric beam 302
200, finally remove between fabric beam 302 and sole plate 301 wall 200 by stages.
Step 5: completing filling a vacancy for each Rotating fields.Filling a vacancy for Rotating fields, refers to carry out layer knot to the floor structure in front and rear hole
Structure is filled a vacancy.
In the present embodiment, after the temporary support in rear hole is removed, in the case that wall 200 is not yet removed by stages, by residing building
The front and rear hole structural beams of layer are connected as a single entity.
In the present embodiment, before the dismounting of wall 200 by stages, in addition to the horizontal water using complete structural beams as deep basal pit
Flat support, to replace the construction support replacement during wall 200 is removed by stages.Reduce on the side relative with deep basal pit 101 of wall 200 by stages
The step of transverse horizontal set between boundary is supported, so as to reduce the secondary deformation of deep basal pit, it is ensured that basement structure
Safety.Artificial, material cost is saved, and improves efficiency of construction.
In step 4, using from top to bottom along the step of wall total length successively removes wall 200 by stages by stages；Wherein along by stages
Wall total length, refers to the width of wall by stages；From top to bottom, the short transverse of wall by stages is referred to；In the dismantling step of wall 200 by stages
Afterwards, in addition to the flooring to front and rear hole and structural beams carry out the step of filling a vacancy of Rotating fields, by the constructing structure in front and rear hole
It is linked to be entirety.The dismantling step of wall by stages 200 of the present embodiment, realizes top-down disposable overall pulling down, and it is being removed
Jump storehouse of the tradition by stages in the dismantling step of wall 200, the defect removed in batches, by stages are overcome during wall 200 by stages, plus
The fast speed of application of basement structure.The method cut for example with static(al), wall 200 by stages are quickly removed to realize.And
And it can reduce vibration and the noise pollution in demolishing process to surrounding enviroment, and reduce dust emission.
Refer to Fig. 5, Fig. 9, Figure 10, in step 3, construction Chuan Liang holes 206, front and rear hole structural beams be connected as a single entity with
The step of removing temporary support is synchronously carried out.Using drilling machine, round opens up Chuan Liang holes 206 on wall 200 by stages, for front and rear
Cheat the connection of correspondence position structural beams, the size in Chuan Liang holes 206, with meet the reinforcing bar colligations of structural beams, formwork erection space
Demand is defined.Rear hole 101b and preceding hole 101a correspondence positions each sandwich beam are connected as one by the Chuan Liang holes 206, shape
Structural beams complete Cheng Yigen.The complete structural beams, which have, ensures the power transmission requirement to Water And Earth Pressures.Removed in wall 200 by stages
During supported as permanent structure beam as force transferring structure using a complete structural beams, it is to avoid in the past in wall by stages
200 must be provided with the shortcoming of temporary support when removing, save a large amount of temporary support materials, also reduce because temporary support is removed
The solid waste of generation, while also reducing the defect of the foundation ditch secondary deformation caused by changing support, is alleviated to surrounding
The influence of environment.The construction in Chuan Liang holes 206 can use two ways, refer to Fig. 9, and top level structure beam 304 can be used and cut
The cutting tool such as knife or saw blade formation Chuan Liang holes 206.Because space is left on the top of top level structure beam 304, it can stretch into and be cut into
Row construction forms Chuan Liang holes 206.It has the advantages that speed of application is fast.Figure 10 is refer to, to interlayer structure beam 304 and bottom
Structural beams 302 can form Chuan Liang holes 206 by the way of drilling machine round punches, due to interlayer structure beam 304 and bottom
Structural beams 302 can not be directly protruding into and wherein be constructed without headspace, cutting knife, and by the way of drilling machine round punches
Just the purpose for opening up Chuan Liang holes 206 can be realized.Of course for rapid construction, it would however also be possible to employ drilling machine round punches and cutting knife knot
The mode of conjunction is carried out, and is punched for example with drilling machine round after certain distance, and insertion cutting knife carries out cutting and forms Chuan Liang holes 206.
Structural beams i.e. in the basement structure in the rear hole of the present embodiment are three layers, sandwich beam of successively constructing from bottom to top, while from
The temporary support in respective layer is successively removed on down.It can be connection round or interval round that round, which punches,.
Refer to Fig. 7, in order to prevent cutting disassembling by stages wall 200 when there is blocking the defect of cutting utensil, for example cut
The method that the cutting knife of cutter is stuck in stage construction basement structure before and after the defect in wall, the deep basal pit of the present embodiment, cutting
When removing wall 200 by stages, using the cutting tools such as saw blade it is first crosscutting, erect the sequential steps cut again and carry out.After cutting for convenience
Block removal, when crosscutting, cut-out direction is cut relative to horizontal level into angle of inclination direction, is cut into and is met lifting and set
The block of standby performance requirement.That is, the transverse cuts face F of wall 200 is inclined-plane by stages.
Fig. 6 is refer to, as preferably embodiment, the construction method of the present embodiment is additionally included in the wall of wall 200 by stages
The step of face is rule, cuts block 201 along.Wherein, the lines of line are entity lines or virtual lines.Wherein
The line of entity lines can be rule using ink fountain snap the line or marker pen.The hatched manner of ink fountain snap the line has quick side
Just advantage, can reduce the position before ruling or the measurement of distance.Marker pen, which is scribed ss, can realize present embodiment
Mark the mode of entity lines.Wherein, the virtual lines that the line of virtual lines can be rule by the way of laser irradiation.It is empty
Plan lines, which have the advantages that to repeat, to be utilized, and laser equipment can be modulated to the intersecting lines pre-set to wall 200
Projected, on the metope that virtual lines are mapped in wall 200.The lines rule in present embodiment are preferred to use horizontal line
The mode of bar 202 and vertical moulding 203 is rule.The lines intersected respectively for other intersections such as 45 degree can certainly be used
Mode is rule.First rule and cut again, be easy to control the overall pulling down engineering time of wall 200 by stages, be easy to carry out according to plan
Construction, and ensure that requirement of the size no more than lifting weight of each block 201.
The structural beams cheated in the present embodiment after being additionally included in and space by stages reserved more than 1 meter between wall 200, by stages
Block 201 after wall 200 is cut uses the step of grade hanging device of crane 600 hangs out removal from space.For example by block 201
Sling and remove to after haulage vehicle, away from construction area, collection site is specified in transport.Space, which has, facilitates what block 201 was removed
Effect, is 1 meter or so of distance in general construction operation, but its space apart from not limited to this, can be according to actually applying
Work needs to be adjusted correspondingly.
In the present embodiment, filling a vacancy for structural beams and flooring is carried out by the way of successively filling a vacancy from top to bottom；Or use
The mode of remaining floor carries out structural beams after the first first floor and flooring is filled a vacancy.Structure is carried out by the way of remaining floor after the first first floor
Beam and flooring are filled a vacancy in step, first complete initial layer structure, as the construction site of the ground floor directly over wall by stages, in progress
Portion's structure construction, it is synchronous to carry out filling a vacancy for remaining floor structure of underground, to accelerate speed of application.
Fig. 6 is refer to, as preferably embodiment, stage construction basement structure before and after the deep basal pit of the present embodiment
Method, before lifting, be additionally included in each region of block 201 bore hole for hoist 204 the step of, with by hole for hoist 204 with
After the grade hanging device of crane 600 is connected by the grade of rope 601 with crane, block 201 is lifted into removal.Present embodiment is hung
Fill hole 204 and be no less than two, can be odd number or even number.
In present embodiment, the shape of line can be the polygon mats such as triangle, quadrangle or circular block and its
Combination, present embodiment is preferred to use quadrangle, i.e. picture horizontal and vertical intersecting ledgement 202 and vertical moulding 203, especially
Square.As long as the mobile blocks can conveniently be cut, the selection that can be adapted to according to removal space.
Fig. 8 is refer to, as preferably embodiment, stage construction basement structure before and after the deep basal pit of the present embodiment
Method, the step of wherein side for being additionally included in wall 200 by stages sets crosshead 500, to facilitate cutting and remove operation
Construction.Crosshead 500 uses monoblock type scaffold board, and it has the effect for being capable of anti-falling stop thing, particularly in subterranean excavation engineering
In, can effectively anti-falling stop thing directly drop the sole plate or structure floor of foundation ditch are produced to its collision rift it is unfavorable
Influence.
As preferably embodiment, the method for stage construction basement structure, is also wrapped before and after the deep basal pit of the present embodiment
The step of including each layer basement floor structure of construction.In addition, after the completion of the structural beams construction in front and rear every layer of hole, being additionally included in base
Plinth bottom plate 301 and fabric beam 302, fabric beam 302 and interlayer structure beam 303, interlayer structure beam 302 and top layer
It is respectively arranged with structural column 305 between structural beams 303, includes the structural column 305a and the structural column 305b that cheats afterwards in preceding hole, with full
The vertical supporting of sufficient basement structure.
The present invention is border with wall 200 by stages, hole 101a construction before carrying out, hole 101a basement structure before being formed,
Wherein basement structure includes at least one layer of structural beams and sole plate.I.e. with the border of wall 200 by stages and its it is relative before
Cheat and at least one layer of structural beams are formed between the enclosure wall on 101a borders or border, and hole before being formed in preceding hole 101a bottom
101a sole plate.Structural beams can be two layers, three layers, the sandwich constructions such as four layers.
The invention is not restricted to above-mentioned embodiment, all various changes made within the spirit and scope of the present invention
Change, within protection scope of the present invention.
Claims (10)
1. the construction method that wall and temporary support are removed by stages in a kind of deep basal pit stage construction, it is characterised in that including following
Step：
Step 1: wall by stages of constructing, using wall by stages as border, carries out the Foundation Pit Construction in preceding hole up to completion sole plate,
And the basement structure cheated before being formed, wherein the basement structure in preceding hole includes at least one layer of structural beams；
Step 2: using wall by stages as border, the earth excavation cheated after starting, while carry out temporary support construction, after the completion of cheat
Sole plate；
Step 3: the basement structure cheated after the temporary support cheated after successively removing from bottom to top, construction；It is corresponding in wall by stages
Chuan Liang holes are opened up at each sandwich beam in preceding hole, one is connected as by the Chuan Liang holes Jiang Houkeng and preceding hole same layer structural beams
Body, forms a complete structural beams, the basement structure cheated after the completion of；
Step 4: disposably removing wall by stages from top to bottom；
Step 5: completing filling a vacancy for each Rotating fields.
2. construction method as claimed in claim 1, it is characterised in that before the dismounting of wall by stages, made with complete structural beams
Supported for the transverse horizontal of deep basal pit, to replace the construction support replacement during wall is removed by stages.
3. construction method as claimed in claim 1, it is characterised in that in step 4, using complete along wall by stages from top to bottom
The step of length successively removes wall by stages；Filled a vacancy after wall dismantling step by stages, in addition to the floor structure in front and rear hole
The step of, the constructing structure in front and rear hole is linked to be entirety.
4. construction method as claimed in claim 1, it is characterised in that in step 3, construction Chuan Liang holes, front and rear hole structural beams
The step of being connected as a single entity with removing temporary support is carried out simultaneously.
5. construction method as claimed in claim 1, it is characterised in that opened up using drilling machine round on wall by stages and wear beam
Hole, for the connection of front and rear hole correspondence position structural beams, the size in Chuan Liang holes, to meet reinforcing bar colligation, the template branch of structural beams
If space requirement be defined.
6. construction method as claimed in claim 1, it is characterised in that cutting disassembling by stages wall when, carried out using cutting tool
Elder generation is crosscutting, erect the sequential steps cut again, and when crosscutting, cut-out direction is cut relative to horizontal level into angle of inclination direction, cutting
Into the block for meeting hanging device performance requirement.
7. construction method as claimed in claim 1, it is characterised in that be additionally included in the step that the metope of wall by stages is rule
Suddenly, block is cut into along；The lines of the line are virtual lines or entity lines.
8. construction method as claimed in claim 1, it is characterised in that the floor structure cheated after being additionally included in and by stages between wall
Reserved more than 1 meter space, the step of block after wall cutting hangs out removal using hanging device from space by stages.
9. construction method as claimed in claim 1, it is characterised in that structure is carried out by the way of successively filling a vacancy from top to bottom
Beam and flooring are filled a vacancy；Or filling a vacancy for structural beams and flooring is carried out by the way of remaining floor after the first first floor.
10. construction method as claimed in claim 9, it is characterised in that tied by the way of remaining floor after the first first floor
Structure beam and flooring are filled a vacancy in step, first complete initial layer structure, as the construction site of the ground floor directly over wall by stages, are carried out
Superstructure Construction, it is synchronous to carry out filling a vacancy for remaining floor structure of underground, to accelerate speed of application.
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| CN201510955614 | 2015-12-17 | ||
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| CN108612128B (en) * | 2018-05-15 | 2020-04-14 | 北京市市政工程设计研究总院有限公司 | Open-cut single-layer double or multi-hole tunnel framing reverse support-changing construction method |
| CN110080527B (en) * | 2019-04-22 | 2020-12-04 | 上海建工一建集团有限公司 | Support changing construction method for staged diaphragm wall of reverse construction method steel structure basement |
| CN111945743A (en) * | 2020-08-15 | 2020-11-17 | 中铁十一局集团第一工程有限公司 | Multi-layer unbalanced foundation pit supporting method suitable for staged excavation |
| CN112575812B (en) * | 2020-12-01 | 2022-05-24 | 中国建筑第二工程局有限公司 | Inner support conversion system applied to demolition and transformation project and construction method thereof |
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| KR20110098597A (en) * | 2010-02-26 | 2011-09-01 | 주식회사 건축사사무소건원엔지니어링 | Guide frame for h-steel |
| CN103225307B (en) * | 2013-04-08 | 2014-12-24 | 广东省基础工程公司 | Construction method for dynamic steel supporting system of deep foundation pit |
| CN104213567B (en) * | 2013-05-30 | 2016-02-03 | 中国二十冶集团有限公司 | Underground pipe gallery controls the construction method of slope section slippage |
| JP2015175183A (en) * | 2014-03-17 | 2015-10-05 | 日新総合建材株式会社 | Earth retaining wall structure and earth retaining method |
| CN104563132B (en) * | 2015-02-05 | 2017-06-13 | 北京瑞腾基础工程技术有限公司 | The method and its support system of a kind of structure model selection of compound deep foundation pit support |
| CN105239579A (en) * | 2015-09-15 | 2016-01-13 | 河海大学 | Blocking wall type control method for deformation of soft soil deep foundation pit |
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