CN105937219B - Power delivery system and its construction method in the foundation pit of interim ground-connecting-wall both sides - Google Patents
Power delivery system and its construction method in the foundation pit of interim ground-connecting-wall both sides Download PDFInfo
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- CN105937219B CN105937219B CN201610357618.2A CN201610357618A CN105937219B CN 105937219 B CN105937219 B CN 105937219B CN 201610357618 A CN201610357618 A CN 201610357618A CN 105937219 B CN105937219 B CN 105937219B
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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
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
-
- 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
-
- 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
- E02D5/20—Bulkheads or similar walls made of prefabricated parts and concrete, including reinforced concrete, in situ
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses power delivery system and its construction method in a kind of interim ground-connecting-wall both sides foundation pit, the system comprises:In spaced apart multiple first girders in the side of interim ground-connecting-wall and multiple first secondary beams, in spaced apart multiple second girders in the other side of interim ground-connecting-wall and multiple second secondary beams;Multiple first girders and multiple second girders are set to the both sides of interim ground-connecting-wall in a manner of one-to-one along same level direction, and multiple first secondary beams and multiple second secondary beams are set to the both sides of interim ground-connecting-wall in a manner of one-to-one along same level direction;Interim ground-connecting-wall offers perforative through-hole, the first girder and the second girder in interconnected in through-hole in the position of the first girder and the second girder;The both sides of interim ground-connecting-wall correspond to the first secondary beam and the position of the second secondary beam is respectively equipped with power transmission shaped steel, and the first secondary beam and the second secondary beam are fixed in power transmission shaped steel respectively at the both sides of interim ground-connecting-wall.
Description
Technical field
The present invention relates to technical field of building construction, power delivery system in a kind of interim ground-connecting-wall both sides foundation pit is referred in particular to
And its construction method.
Background technology
It is built with the continuous planning of high-rise building, mostly high building is formed with podium, and the foundation pit stage, two regions were mostly
It constructs, using " interim ground-connecting-wall+multiple tracks concrete inner support " form as support system, is opened for the foundation pit stage cubic metre of earth respectively
Dig work.Agent structure is constructed from below to up after the completion of earth excavation, and multiple tracks concrete support beam is from bottom to top gradually torn open therewith
It removes, however the agent structure of interim ground-connecting-wall both sides can not be penetrated through by the interim ground-connecting-wall stage, to which foundation pit internal force can not be formed
It transmits.And interim ground-connecting-wall cannot be removed at this time, if constructing interim ground-connecting-wall at this time, both sides foundation pit internal force is unbalance.Wait for multiple tracks
After concrete support is removed, and ground next stage agent structure is completed, and interim ground-connecting-wall can be removed.
Under the operating mode that interim ground-connecting-wall cannot be removed, how to ensure that the foundation pit internal force of its both sides transmits is construction difficult problem,
If foundation pit internal force is unbalance, the ultra-deep foundation pit for causing foundation pit deformation, especially surrounding enviroment extremely complex may cause serious
Cave-in accident, consequence are extremely serious.Simultaneously in the main structure construction of ground next stage, post-cast strip is designed due to existing, how to be protected
Card foundation pit internal force carries out transmission urgent need to resolve by post-cast strip and interim ground-connecting-wall.
Invention content
In view of the above problem, present invention aim to address wouldn't can remove work in foundation pit construction stage interim ground-connecting-wall
Under condition, ensures that foundation pit internal force is transmitted by post-cast strip and interim ground-connecting-wall, ensure the stability of foundation pit.
In order to achieve the above object, the present invention provides power delivery systems in a kind of interim ground-connecting-wall both sides foundation pit, including:
In spaced apart multiple first girders in the side of interim ground-connecting-wall and multiple first secondary beams, provisionally connect in described
Spaced apart multiple second girders in the other side of wall and multiple second secondary beams;
Multiple first girders and multiple second girders are arranged in a manner of one-to-one along same level direction
In the both sides of the interim ground-connecting-wall, multiple first secondary beams and multiple second secondary beams edge in a manner of one-to-one are same
One is horizontally arranged in the both sides of the interim ground-connecting-wall;
The interim ground-connecting-wall offers perforative through-hole in the position of first girder and second girder, described
First girder and second girder are in interconnected in the through-hole;
The both sides of the interim ground-connecting-wall correspond to first secondary beam and the position of second secondary beam is respectively equipped with power transmission
Shaped steel, first secondary beam and second secondary beam are fixed in the power transmission shaped steel respectively at the both sides of the interim ground-connecting-wall.
Power delivery system in the interim ground-connecting-wall both sides foundation pit of the present invention connects in interim ground-connecting-wall both sides girder position on ground
Hole is opened on wall, interim ground-connecting-wall both sides girder is connected with each other, and ensures girder perforation.In interim ground-connecting-wall both sides secondary beam position
Power transmission shaped steel is set, interim ground-connecting-wall both sides secondary beam will be connected on power transmission shaped steel, using power transmission shaped steel by interim ground-connecting-wall
Both sides foundation pit internal force transmits, and ensures the stability of foundation pit.
In the interim ground-connecting-wall both sides foundation pit of the present invention power delivery system further improvement lies in that, further include:Face in described
When ground-connecting-wall side be set up on multiple first girders and multiple first secondary beams and in the interim ground-connecting-wall
The other side be set up in multiple tie-beams on multiple second girders and multiple second secondary beams.
In the interim ground-connecting-wall both sides foundation pit of the present invention power delivery system further improvement lies in that, it is multiple it is described first master
Beam, multiple first secondary beams, multiple second girders and multiple second secondary beams are close to the interim ground-connecting-wall
Position is all made of interim shaped steel column and carries out support top.
In the interim ground-connecting-wall both sides foundation pit of the present invention power delivery system further improvement lies in that, the interim ground-connecting-wall
Every layer of post-cast strip position spacing 1500mm~2500mm is provided with power transmission shaped steel.
In the interim ground-connecting-wall both sides foundation pit of the present invention power delivery system further improvement lies in that, the interim ground-connecting-wall
Annular ramp position is provided with power transmission shaped steel.
The present invention also provides a kind of interim ground-connecting-wall both sides foundation pit internal force to transmit construction method, including:
In multiple first girders of the side arranged for interval of interim ground-connecting-wall and multiple first secondary beams, in the interim ground-connecting-wall
Multiple second girders of other side arranged for interval and multiple second secondary beams;
Multiple first girders and multiple second girders are set in a manner of one-to-one along same level direction
The both sides of the interim ground-connecting-wall are placed in, by multiple first secondary beams and multiple second secondary beams in a manner of one-to-one
The both sides of the interim ground-connecting-wall are set to along same level direction;
Perforative through-hole is opened up in the position of first girder and second girder in the interim ground-connecting-wall, by institute
The first girder and second girder are stated in interconnected in the through-hole;
Biography is respectively set in the position that first secondary beam and second secondary beam are corresponded in the both sides of the interim ground-connecting-wall
First secondary beam and second secondary beam are fixed in the power transmission type by power shaped steel respectively at the both sides of the interim ground-connecting-wall
Steel.
The interim ground-connecting-wall both sides foundation pit internal force of the present invention transmits construction method, exists in interim ground-connecting-wall both sides girder position
Hole is opened on ground-connecting-wall, interim ground-connecting-wall both sides girder is connected with each other, and ensures girder perforation.In interim ground-connecting-wall both sides secondary beam
Power transmission shaped steel is arranged in position, and interim ground-connecting-wall both sides secondary beam will be connected on power transmission shaped steel, will provisionally using power transmission shaped steel
The both sides Lian Qiang foundation pit internal force transmits, and ensures the stability of foundation pit.
The interim ground-connecting-wall both sides foundation pit internal force of the present invention transmit construction method further improvement lies in that, further include:In institute
The both sides for stating interim ground-connecting-wall are respectively set and are set up on multiple first girders and multiple first secondary beams and set up
Multiple tie-beams on multiple second girders and multiple second secondary beams.
The interim ground-connecting-wall both sides foundation pit internal force of the present invention transmit construction method further improvement lies in that, further include:More
A first girder, multiple first secondary beams, multiple second girders and multiple second secondary beams are close to described
The position of interim ground-connecting-wall is all made of interim shaped steel column and carries out support top.
The interim ground-connecting-wall both sides foundation pit internal force of the present invention transmit construction method further improvement lies in that, further include:Institute
State every layer of post-cast strip position spacing 1500mm~2500mm setting power transmission shaped steel of interim ground-connecting-wall.
The interim ground-connecting-wall both sides foundation pit internal force of the present invention transmit construction method further improvement lies in that, further include:Institute
State the annular ramp position setting power transmission shaped steel of interim ground-connecting-wall.
Description of the drawings
Fig. 1 is the floor map of power delivery system in interim ground-connecting-wall both sides foundation pit of the invention.
Fig. 2 is the flow diagram that interim ground-connecting-wall both sides foundation pit internal force of the invention transmits construction method.
Fig. 3~Figure 11 is the specific steps schematic diagram that interim ground-connecting-wall both sides foundation pit internal force of the invention transmits construction method.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
Referring to shown in Fig. 1, Fig. 1 is the plane signal of power delivery system in interim ground-connecting-wall both sides foundation pit of the invention for cooperation
Figure.Power delivery system in the interim ground-connecting-wall both sides foundation pit of the present invention, including:
In spaced apart multiple first girders 110 in the side of interim ground-connecting-wall 90 and multiple first secondary beams 210, in interim
Spaced apart multiple second girders 120 in the other side and multiple second secondary beams 220 of ground-connecting-wall 90.
Multiple first girders 110 and multiple second girders 120 are set in a manner of one-to-one along same level direction
The both sides of interim ground-connecting-wall 90, multiple first secondary beams 210 and multiple second secondary beams 220 are in a manner of one-to-one along same level
Direction is set to the both sides of interim ground-connecting-wall 90.
Interim ground-connecting-wall 90 offers perforative through-hole, the first girder in the position of the first girder 110 and the second girder 120
110 and second girder 120 in the through-hole be interconnected, ensure girder perforation.
The both sides of interim ground-connecting-wall 90 correspond to the first secondary beam 210 and the position of the second secondary beam 220 is respectively equipped with power transmission shaped steel
30, the first secondary beam 210 and the second secondary beam 220 are fixed in power transmission shaped steel 30 respectively at the both sides of interim ground-connecting-wall 90, pass through power transmission
Shaped steel 30 transmits 90 both sides foundation pit internal force of interim ground-connecting-wall.Preferably, power transmission shaped steel 30 is 45 α i shaped steels.
Power delivery system in the interim ground-connecting-wall both sides foundation pit of the present invention connects in interim ground-connecting-wall both sides girder position on ground
Hole is opened on wall, interim ground-connecting-wall both sides girder is connected with each other, and ensures girder perforation.In interim ground-connecting-wall both sides secondary beam position
Power transmission shaped steel is set, interim ground-connecting-wall both sides secondary beam will be connected on power transmission shaped steel, using power transmission shaped steel by interim ground-connecting-wall
Both sides foundation pit internal force transmits, and ensures the stability of foundation pit.
Further, power delivery system in the interim ground-connecting-wall both sides foundation pit of the present invention further includes:In interim ground-connecting-wall 90
Side is set up on multiple first girders 110 and multiple first secondary beams 210 and is set up in the other side of interim ground-connecting-wall 90
Multiple tie-beams 40 on multiple second girders 120 and multiple second secondary beams 220, can be with enhancing structure intensity.
Also, multiple first girders 110, multiple first secondary beams 210, multiple second girders 120 and multiple second secondary beams
220 are all made of interim shaped steel column 50 close to the position of interim ground-connecting-wall 90 carries out support top, prevents long span structural beams from settling
Greatly.Preferably, interim shaped steel column 50 includes 28 vertically arranged type groove steel and is arranged at intervals at 28 type grooves along vertical mode
Batten plate on steel.Spacing is preferably 500mm.Batten plate is preferably dimensioned to be 150 × 100 × 6mm.
Further, every layer of post-cast strip position spacing 1500mm~2500mm of interim ground-connecting-wall 90 is provided with power transmission type
Steel.Preferably spacing 2000mm.The annular ramp position of interim ground-connecting-wall 90 is also equipped with power transmission shaped steel.It is used equally for structure
Transmit foundation pit internal force.Preferably, power transmission shaped steel is 16 type I-steel.
Therefore, in the case where foundation pit construction stage interim ground-connecting-wall wouldn't can remove operating mode, interim ground-connecting-wall both sides of the invention
Power delivery system in foundation pit, by increasing power transmission shaped steel in the horizontal floor slab back casting band of every layer of underground structure, and in interim ground-connecting-wall
Position is penetrated through by girder, in a manner of secondary beam power transmission, is ensured that foundation pit internal force is transmitted by post-cast strip and interim ground-connecting-wall, is ensured
The stability of foundation pit.
Shown in Figure 2, Fig. 2 is the flow signal that interim ground-connecting-wall both sides foundation pit internal force of the invention transmits construction method
Figure.Power delivery system in interim ground-connecting-wall both sides foundation pit in order to realize aforementioned present invention, the present invention also provides a kind of interim
Ground-connecting-wall both sides foundation pit internal force transmits construction method, including:
Step S101:In multiple first girders of the side arranged for interval of interim ground-connecting-wall and multiple first secondary beams, in described
Multiple second girders of other side arranged for interval and multiple second secondary beams of interim ground-connecting-wall;
Step S102:By multiple first girders and multiple second girders along same water in a manner of one-to-one
Square to the both sides for being set to the interim ground-connecting-wall, by multiple first secondary beams and multiple second secondary beams with an a pair
The mode answered is set to the both sides of the interim ground-connecting-wall along same level direction;
Step S103:It is opened up in the position of first girder and second girder in the interim ground-connecting-wall perforative
Through-hole, by first girder and second girder in interconnected in the through-hole;
Step S104:The position point of first secondary beam and second secondary beam is corresponded in the both sides of the interim ground-connecting-wall
Not She Zhi power transmission shaped steel, first secondary beam and second secondary beam are fixed in institute respectively at the both sides of the interim ground-connecting-wall
State power transmission shaped steel.
The interim ground-connecting-wall both sides foundation pit internal force of the present invention transmits construction method, exists in interim ground-connecting-wall both sides girder position
Hole is opened on ground-connecting-wall, interim ground-connecting-wall both sides girder is connected with each other, and ensures girder perforation.In interim ground-connecting-wall both sides secondary beam
Power transmission shaped steel is arranged in position, and interim ground-connecting-wall both sides secondary beam will be connected on power transmission shaped steel, will provisionally using power transmission shaped steel
The both sides Lian Qiang foundation pit internal force transmits, and ensures the stability of foundation pit.
Further, the interim ground-connecting-wall both sides foundation pit internal force of the present invention transmits construction method, further includes:In it is described provisionally
Even the both sides of wall, which are respectively set, is set up on multiple first girders and multiple first secondary beams and is set up in multiple institutes
Multiple tie-beams on the second girder and multiple second secondary beams are stated, it can be with enhancing structure intensity.
Also, in multiple first girders, multiple first secondary beams, multiple second girders and multiple institutes
It states the second secondary beam and is all made of interim shaped steel column progress support top close to the position of the interim ground-connecting-wall, prevent long span structural beams
It settles excessive.Preferably, interim shaped steel column includes vertically arranged 28 type groove steel and is arranged at intervals at 28 along vertical mode
Batten plate on type groove steel.Spacing is preferably 500mm.Batten plate is preferably dimensioned to be 150 × 100 × 6mm.
Further, power transmission is set in every layer of post-cast strip position spacing 1500mm~2500mm of the interim ground-connecting-wall
Shaped steel.Preferably spacing 2000mm.And power transmission shaped steel is set in the annular ramp position of the interim ground-connecting-wall.It is used equally for
Structure transmits foundation pit internal force.
Therefore, in the case where foundation pit construction stage interim ground-connecting-wall wouldn't can remove operating mode, interim ground-connecting-wall both sides of the invention
Foundation pit internal force transmits construction method, by increasing power transmission shaped steel in the horizontal floor slab back casting band of every layer of underground structure, and provisionally
Even wall displacement ensures that foundation pit internal force is transmitted by post-cast strip and interim ground-connecting-wall in a manner of girder perforation, secondary beam power transmission,
Ensure the stability of foundation pit.
Below by way of drawings and examples, construction method is transmitted to the interim ground-connecting-wall both sides foundation pit internal force of the present invention and is carried out more
Detailed description.Shown in Fig. 3~Figure 11, Fig. 3~Figure 11 is that interim ground-connecting-wall both sides foundation pit internal force of the invention transmits construction
The specific steps schematic diagram of method.
Shown in Figure 3, Fig. 3 is the sectional view of pattern foundation pit supporting structure after the completion of excavation of foundation pit.When construction, foundation pit agent structure with
Multiple tracks concrete support construction is from bottom to top gradually removed and is constructed upwards, the both sides of interim ground-connecting-wall 90 be respectively first construction area and
Construction area afterwards.As shown in figure 3, to construct (i.e. B1~B4 layers) for genuine lower four layers in figure, on interim ground-connecting-wall 90 under
It is supreme to be equipped with bottom plate 80, first of concrete support 810 of multiple tracks concrete support construction, second concrete support 820, third road concrete branch successively
Support 830 and the 4th concrete support 840.
Shown in Fig. 4 and Fig. 5, respectively B4 layers of girder perforation elevation and secondary beam power transmission elevation.Such as Fig. 4 and figure
Shown in 5, after removing B4 layers of the 4th concrete support 840, construction is transmitted using interim ground-connecting-wall both sides foundation pit internal force of the invention
Method, the girder (as shown in the figure is the first girder 110) of B4 layers of progress and setting for secondary beam (as shown in the figure being the second girder 210)
It sets, and B4 layers of girder and secondary beam are set to by 50, interim shaped steel column on bottom plate 80.By in every layer of underground structure
Horizontal floor slab back casting band increases power transmission shaped steel, and is provisionally connecting wall displacement in a manner of girder perforation, secondary beam power transmission, ensures base
Hole internal force is transmitted by post-cast strip and interim ground-connecting-wall, ensures the stability of foundation pit.
Shown in Fig. 6 and Fig. 7, respectively B3 layers of girder perforation elevation and secondary beam power transmission elevation.Such as Fig. 6 and figure
Shown in 7, after removing B3 layers of third road concrete support 830, construction is transmitted using interim ground-connecting-wall both sides foundation pit internal force of the invention
Method, the girder (as shown in the figure is the first girder 110) of B3 layers of progress and setting for secondary beam (as shown in the figure being the second girder 210)
It sets, and B3 layers of girder and secondary beam are by 50, interim shaped steel column on B4 layers of girder and secondary beam.By every
The horizontal floor slab back casting band of layer underground structure increases power transmission shaped steel, and is provisionally connecting wall displacement with girder perforation, secondary beam power transmission
Mode ensures that foundation pit internal force is transmitted by post-cast strip and interim ground-connecting-wall, ensures the stability of foundation pit.
Shown in Fig. 8 and Fig. 9, respectively B2 layers of girder perforation elevation and secondary beam power transmission elevation.Such as Fig. 8 and figure
Shown in 9, after removing B2 layers of second concrete support 820, construction is transmitted using interim ground-connecting-wall both sides foundation pit internal force of the invention
Method, the girder (as shown in the figure is the first girder 110) of B2 layers of progress and setting for secondary beam (as shown in the figure being the second girder 210)
It sets, and B2 layers of girder and secondary beam are by 50, interim shaped steel column on B3 layers of girder and secondary beam.By every
The horizontal floor slab back casting band of layer underground structure increases power transmission shaped steel, and is provisionally connecting wall displacement with girder perforation, secondary beam power transmission
Mode ensures that foundation pit internal force is transmitted by post-cast strip and interim ground-connecting-wall, ensures the stability of foundation pit.
Shown in Figure 10 and Figure 11, respectively B1 layers of girder perforation elevation and secondary beam power transmission elevation.Such as Figure 10
Shown in Figure 11, after removing B1 layers of first of concrete support 810, transmitted using interim ground-connecting-wall both sides foundation pit internal force of the invention
Construction method carries out B1 layer of girder (as shown in the figure is the first girder 110) and secondary beam (being as shown in the figure the second girder 210)
Setting, and B1 layer of girder and secondary beam are set on B2 layers of girder and secondary beam by 50, interim shaped steel column.By
The horizontal floor slab back casting band of every layer of underground structure increases power transmission shaped steel, and is provisionally connecting wall displacement with girder perforation, secondary beam power transmission
Mode, ensure foundation pit internal force transmitted by post-cast strip and interim ground-connecting-wall, ensure the stability of foundation pit.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, in the range of not departing from technical solution of the present invention, when the technology contents using the disclosure above make a little change or repair
Decorations are the equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, technology according to the present invention is real
Any simple modification, equivalent change and modification made by confrontation above example still fall within the range of technical solution of the present invention
It is interior.
Claims (10)
1. power delivery system in a kind of interim ground-connecting-wall both sides foundation pit, which is characterized in that including:
In spaced apart multiple first girders in the side of interim ground-connecting-wall and multiple first secondary beams, in the interim ground-connecting-wall
Spaced apart multiple second girders in the other side and multiple second secondary beams;
Multiple first girders and multiple second girders are set to institute in a manner of one-to-one along same level direction
State the both sides of interim ground-connecting-wall, multiple first secondary beams and multiple second secondary beams are in a manner of one-to-one along same water
Square to the both sides for being set to the interim ground-connecting-wall;
The interim ground-connecting-wall offers perforative through-hole in the position of first girder and second girder, and described first
Girder and second girder are in interconnected in the through-hole;
The both sides of the interim ground-connecting-wall correspond to first secondary beam and the position of second secondary beam is respectively equipped with power transmission shaped steel,
First secondary beam and second secondary beam are fixed in the power transmission shaped steel respectively at the both sides of the interim ground-connecting-wall.
2. power delivery system in interim ground-connecting-wall both sides foundation pit as described in claim 1, which is characterized in that further include:In institute
The side for stating interim ground-connecting-wall be set up on multiple first girders and multiple first secondary beams and in it is described provisionally
Even the other side of wall is set up in multiple tie-beams on multiple second girders and multiple second secondary beams.
3. power delivery system in interim ground-connecting-wall both sides foundation pit as described in claim 1, which is characterized in that multiple described first
Girder, multiple first secondary beams, multiple second girders and multiple second secondary beams are close to the interim ground-connecting-wall
Position be all made of interim shaped steel column and carry out support top.
4. power delivery system in interim ground-connecting-wall both sides foundation pit as described in claim 1, which is characterized in that described provisionally to connect
Every layer of post-cast strip position spacing 1500mm~2500mm of wall is provided with power transmission shaped steel.
5. power delivery system in interim ground-connecting-wall both sides foundation pit as described in claim 1, which is characterized in that described provisionally to connect
The annular ramp position of wall is provided with power transmission shaped steel.
6. a kind of interim ground-connecting-wall both sides foundation pit internal force transmits construction method, which is characterized in that including:
In multiple first girders of the side arranged for interval of interim ground-connecting-wall and multiple first secondary beams, in the another of the interim ground-connecting-wall
Multiple second girders of side arranged for interval and multiple second secondary beams;
Multiple first girders and multiple second girders are set in a manner of one-to-one along same level direction
The both sides of the interim ground-connecting-wall, by multiple first secondary beams and multiple second secondary beams along same in a manner of one-to-one
One is horizontally arranged in the both sides of the interim ground-connecting-wall;
Perforative through-hole is opened up in the position of first girder and second girder in the interim ground-connecting-wall, by described
One girder and second girder are in interconnected in the through-hole;
Power transmission type is respectively set in the position that first secondary beam and second secondary beam are corresponded in the both sides of the interim ground-connecting-wall
First secondary beam and second secondary beam are fixed in the power transmission shaped steel by steel respectively at the both sides of the interim ground-connecting-wall.
7. interim ground-connecting-wall both sides foundation pit internal force as claimed in claim 6 transmits construction method, which is characterized in that further include:
In the both sides of the interim ground-connecting-wall be respectively set be set up on multiple first girders and multiple first secondary beams and
The multiple tie-beams being set up on multiple second girders and multiple second secondary beams.
8. interim ground-connecting-wall both sides foundation pit internal force as claimed in claim 6 transmits construction method, which is characterized in that further include:
It is close in multiple first girders, multiple first secondary beams, multiple second girders and multiple second secondary beams
The position of the interim ground-connecting-wall is all made of interim shaped steel column and carries out support top.
9. interim ground-connecting-wall both sides foundation pit internal force as claimed in claim 6 transmits construction method, which is characterized in that further include:
In every layer of post-cast strip position spacing 1500mm~2500mm of the interim ground-connecting-wall, power transmission shaped steel is set.
10. interim ground-connecting-wall both sides foundation pit internal force as claimed in claim 6 transmits construction method, which is characterized in that further include:
In the annular ramp position of the interim ground-connecting-wall, power transmission shaped steel is set.
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CN101139838B (en) * | 2007-10-15 | 2010-09-01 | 上海市隧道工程轨道交通设计研究院 | Construction method for high artesian area ultra-deep foundation pit |
JP5457276B2 (en) * | 2010-06-01 | 2014-04-02 | 株式会社竹中工務店 | Underground pillar construction |
CN104652474B (en) * | 2015-01-21 | 2016-08-24 | 中国建筑第八工程局有限公司 | Diaphram wall support changing structure for use and construction method |
CN204676560U (en) * | 2015-04-15 | 2015-09-30 | 中国建筑第八工程局有限公司 | The support changing structure for use of foundation ditch mid-board |
CN105421491A (en) * | 2015-09-06 | 2016-03-23 | 上海建工七建集团有限公司 | Construction method for middle wall dismantling and two-side structure connecting |
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