CN106522236A - Structure for shoring of foundation trench and construction method - Google Patents
Structure for shoring of foundation trench and construction method Download PDFInfo
- Publication number
- CN106522236A CN106522236A CN201610986487.4A CN201610986487A CN106522236A CN 106522236 A CN106522236 A CN 106522236A CN 201610986487 A CN201610986487 A CN 201610986487A CN 106522236 A CN106522236 A CN 106522236A
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- foundation ditch
- construction
- foundation
- support pile
- sides
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Classifications
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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
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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
-
- 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
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0046—Production methods using prestressing techniques
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Foundations (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a structure for shoring of a foundation trench and a construction method. The foundation trench needing shoring construction is composed of a middle foundation trench body and two side foundation trench bodies on the two sides of the middle foundation trench body. The construction method comprises the following steps that firstly, earthwork of the foundation trench is excavated to a foundation bottom elevation position of the middle foundation trench body; secondly, foundation piles of the middle foundation trench body and support piles of the two side foundation trench bodies on the periphery of the middle foundation trench body are constructed; thirdly, structural bottom plates of the middle foundation trench body are constructed at the foundation bottom elevation position of the middle foundation trench body; fourthly, earthwork of the two side foundation trench bodies is excavated to a position where a counter-pulled anchor with prestress is arranged, and a counter-pulled anchor with prestress is constructed between the two side foundation trench bodies at the position; and fifthly, the fourth step is executed repeatedly, the earthwork of the two side foundation trench bodies is excavated from top to bottom, counter-pulled anchors with prestress are sequentially constructed until foundation bottom elevation positions of the two side foundation trench bodies are reached.
Description
Technical field
The present invention relates to the structure and construction method of a kind of pattern foundation pit supporting structure, more particularly to a kind of foundation ditch of building engineering field
Supporting construction and construction method.
Background technology
Due to the fast development of modern building technology, increasing architectural engineering is occurred in that therewith, especially in flourishing city
City, building site are very nervous, so as to cause the foundation ditch spacing of architectural engineering less and less.And due to adjacent architectural foundation ditch between
Away from too small, generally after the building foundation pit supporting of construction the building structure constructed can be impacted；If too small biphase of spacing
Adjacent building foundation pit simultaneous construction, typically in order to reduce the cost of building foundation pit supporting as far as possible, need to be designed using non-support, but should
Adjacent architectural foundation ditch intersects impact, so as to the integral construction progress to architectural engineering produces considerable influence.
The structure and construction method of pattern foundation pit supporting structure of the present invention is applied to the structure sideline of the middle building of foundation ditch 10 and throws in level
Structure sideline Chong Die (as shown in Figure 1) or the situation of spacing less (as shown in Figure 2) on shadow face with the building of both sides foundation ditch 20, and
And the depth of middle foundation ditch 10 is less than both sides foundation ditch 20.For middle foundation ditch 10 building structure sideline on horizontal plane with
The structure sideline of the building of both sides foundation ditch 20 overlaps or the less situation of spacing, if according to the construction party of traditional reduction construction cost
Method, as shown in figure 3, needing to carry out slope during the earth excavation of both sides foundation ditch 20, the slope is to prevent Tu Bi from caving in, it is ensured that
Construction safety.When both sides foundation ditch 20 is to middle 10 slope of foundation ditch, the earthwork 51 of 10 bottom of middle foundation ditch can be excavated, if thus
Want to carry out structure construction to middle foundation ditch 10, then first must carry out structure construction to both sides foundation ditch 20, it is to be onstructed after the completion of will
The earthwork 51 that 10 bottom of middle foundation ditch is excavated is backfilled again, could start the structure construction of middle foundation ditch 10.The successively construction
Method, not only wasting manpower and material resources, and duration are longer.
For the structure sideline that the structure sideline of the building of middle foundation ditch 10 is built with both sides foundation ditch 20 on horizontal plane
The less situation of spacing, the structure sideline of the building of middle foundation ditch 10 are underlapped with the structure sideline that both sides foundation ditch 20 is built, though
Away from less (only several meters), but the requirement for designing vertical supporting can be met.As shown in figure 4, according to traditional vertical design of its support,
Vertical supporting 61 is respectively provided between middle foundation ditch 10 and both sides foundation ditch 20, then as needed vertical supporting 61 is set respectively
Put prestress anchorage cable 62.But this design of its support, is respectively provided with vertical support system to both sides foundation ditch 20, makes vertical supporting 61
Roll up with prestress anchorage cable 62, and before the method for designing causes the backfill of both sides foundation ditch 20 to complete, do not allow middle foundation ditch
The construction construction of 10 buildings.
As current such Foundation Pit Support Design continues to use conventional construction method, a large amount of earthwork in causing work progress are excavated
Then backfill, cause the construction period longer；Separately for vertical supporting and prestress anchorage cable roll up, construction is not only increased
Cost, also increases the workload of construction, also just extends certainly the construction period.
The content of the invention
The technical problem to be solved is to provide a kind of low cost, efficient building foundation pit supporting construction party
Method.
To realize above-mentioned technique effect, the invention discloses a kind of construction method of pattern foundation pit supporting structure, this need to carry out supporting and apply
The foundation ditch of work is made up of the both sides foundation ditch of a middle foundation ditch and the middle foundation ditch both sides, the structure sideline of the middle foundation ditch building
It is relatively near or overlap with the structure sideline spacing of both sides foundation ditch building on horizontal plane, and the depth of middle foundation ditch is little
In the depth of both sides foundation ditch.The structure and construction method of the pattern foundation pit supporting structure is comprised the following steps：
A. at the substrate absolute altitude of the earthwork of excavation pit to middle foundation ditch；
B. the support pile of both sides foundation ditch at the foundation pile of foundation ditch in the middle of constructing, and middle foundation ditch periphery；
C. at the substrate absolute altitude of middle foundation ditch in the middle of construction foundation ditch structure base slab；
D. the earthwork for excavating both sides foundation ditch is prestressed to drawing at anchor cable depth location, and in the position two together to arranging
Between side base hole, construction is prestressed to drawing anchor cable together；
E. repeat step d excavates the earthwork of both sides foundation ditch from top to bottom and each road of constructing successively is prestressed to drawing anchor cable,
Until at the substrate absolute altitude of both sides foundation ditch.
Base pit stand construction of the present invention is improved by, and step d is further included：
D1. the earthwork for excavating both sides foundation ditch is prestressed to drawing at anchor cable depth location to one；
D2. the construction of link plate is carried out while excavating both sides pit earthwork on the outside of support pile；
D3. arrange prestressed to drawing construction at anchor cable depth location prestressed to drawing anchor together together in step d1
Rope；
D4. in step d3 construction together prestressed one waist rail of outside construction to drawing the support pile at anchor cable position；
D5. tensioning step d3 should be prestressed to drawing anchor cable and anchoring together.
Base pit stand construction of the present invention further improvement is that, the construction procedure of step d2 support pile outer side suspending board
Further include：
D21. longitudinally spaced expansion bolt is squeezed in the outside of every support pile；
D22. reinforced mesh is completely hung on expansion bolt；
D23. in the region in adjacent support pile gap, and the full reinforced mesh area spray concrete hung on the outside of support pile
Link plate is formed, the construction of link plate is completed, the link plate effectively prevents the earthwork in middle foundation ditch from being lost in both sides foundation ditch.
Further improvement is that for base pit stand construction of the present invention, it is prestressed to drawing during anchor cable construction, using fixed
Draw to brill and keep creep into levelness, make it is prestressed to draw anchor cable pierce into from side foundation pit supporting pile gap level, and
Pass from relative opposite side foundation pit supporting pile gap level.
Base pit stand construction of the present invention further improvement is that support pile is designed to solid matter support pile, this is adjacent
Solid matter support pile has a clear spacing of 20 cms, and the support pile of both sides foundation ditch can be as at middle foundation ditch periphery
Between foundation ditch peripheral foundation pile.
Base pit stand construction of the present invention further improvement is that, structure base slab and foundation pile and the top of support pile
Combine, and the structure base slab is constituted using armored concrete.
In above-mentioned base pit stand construction, after structure base slab reaches the 90% of design strength, then excavate both sides foundation ditch；Separately
The design strength of the outer structure base slab is not up to 90%, can also carry out the construction construction of middle foundation ditch building, make foundation pile and prop up
The vertical applied force increase of fender pile, so as to further enhance the stability in the large of foundation pile and support pile；And waist rail reaches design by force
After degree, then stretch-draw prestressing force anchor cable is anchored to drawing.In the construction method of pattern foundation pit supporting structure of the present invention, the support pile of both sides foundation ditch
The same foundation pile as middle foundation ditch；The base plate of middle foundation ditch can be as first of both sides foundation ditch horizontal prestressing force to drawing
System；To both sides excavation of foundation pit to it is prestressed to drawing at anchor cable when, it is necessary to suspend the excavation of both sides pit earthwork, and in time
Carry out the prestressed construction to drawing anchor cable；The quantity of waist rail is configured according to the prestressed quantity to drawing anchor cable, and pre-
Difference in height of the quantity to drawing anchor cable of stress then according to middle foundation ditch with both sides foundation ditch sets.
A kind of structure of pattern foundation pit supporting structure of the present invention, the foundation ditch of the supporting is by a middle foundation ditch and the middle foundation ditch both sides
Both sides foundation ditch composition, between the structure sideline that the structure sideline that the middle foundation ditch is built is built with both sides foundation ditch on horizontal plane
Away from relatively near or overlapped, and the depth of middle foundation ditch is less than the depth of both sides foundation ditch.The supporting construction of the foundation ditch includes：
The supporting of the foundation pile and both sides foundation ditch of middle foundation ditch is set in the earthwork below the absolute altitude of intermediate base pit foundation bottom
Stake；
Structure base slab is provided with the absolute altitude of intermediate base pit foundation bottom, the top of the structure base slab and aforementioned base stake and support pile
End combines；
It is equipped between the relative support pile gap of both sides foundation ditch prestressed to drawing anchor cable；
Link plate is provided with the outside of support pile.
Foundation pit supporting construction of the present invention is improved by, and support pile is located at the periphery of middle foundation ditch, and support pile is solid matter
Support pile, the adjacent solid matter support pile have the clear spacing of 20 cms, and the support pile of the middle foundation ditch periphery can be made
For the vertical support system of both sides foundation ditch.
Foundation pit supporting construction of the present invention further improvement is that link plate includes a plurality of expansion bolts, plural number reinforcing bar
The longitudinally spaced outside for being arranged on every support pile of mesh sheet and concrete layer, wherein expansion bolt, and hang on the expansion bolt
Be provided with reinforced mesh, the region in the adjacent support pile gap, and the reinforced mesh region hung on the outside of support pile be provided with it is mixed
Solidifying soil layer, the link plate effectively prevent the earthwork in middle foundation ditch from being lost in both sides foundation ditch.
Further improvement is that for foundation pit supporting construction of the present invention, it is prestressed to drawing below anchor cable against prestressed right
Draw, improve the stability of middle pit earthwork.
In the structure of pattern foundation pit supporting structure of the present invention, structure base slab is made up of armored concrete；It is prestressed to draw anchor cable horizontal
Arrange, this it is prestressed to draw anchor cable construction when using Directional Drilling traction, and keep drilling levelness, make prestress anchorage cable from
In the foundation pit supporting pile gap of side, level is pierced into, and is passed from relative opposite side foundation pit supporting pile gap level.
In above-mentioned foundation pit supporting construction, the same foundation pile as middle foundation ditch of support pile of both sides foundation ditch；Middle foundation ditch
Base plate can be used as first of both sides foundation ditch horizontal prestressing force cross-pulling system；The quantity of waist rail is according to prestressed to drawing anchor
The quantity of rope is configured, and difference in height of the prestressed quantity to drawing anchor cable then according to middle foundation ditch with both sides foundation ditch is carried out
Setting.
Description of the drawings
Fig. 1 is a kind of structure sideline of structure sideline of middle foundation ditch building on horizontal plane with both sides foundation ditch building
The schematic diagram of overlap；
Fig. 2 is a kind of structure sideline of structure sideline of middle foundation ditch building on horizontal plane with both sides foundation ditch building
The less schematic diagram of spacing；
Fig. 3 is that the slope of traditional Adjacent Pit excavates profile；
Fig. 4 is the vertical supporting profile of traditional Adjacent Pit；
Fig. 5 is the section of middle excavation of foundation pit and foundation pile and supporting pile driving construction in base pit stand construction of the present invention
Figure；
Fig. 6 is the profile of middle foundation ditch structure base slab construction in base pit stand construction of the present invention；
Fig. 7 is first prestressed profile to drawing anchor cable construction in base pit stand construction of the present invention；
Fig. 8 is the pattern foundation pit supporting structure profile after the completion of base pit stand construction construction of the present invention；
Fig. 9 is the positive structure diagram of support pile and link plate in base pit stand construction of the present invention；
A-A section view enlarged diagrams of the Figure 10 for Fig. 9 base pit stand constructions of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further detailed explanation.
The present invention provides a kind of structure and construction method of pattern foundation pit supporting structure, as shown in figure 5, the method excavates intermediate base first
At the substrate absolute altitude 101 of the earthwork to the middle foundation ditch 10 of hole 10 and both sides foundation ditch 20, after the completion of waiting to excavate, in the substrate mark
The foundation pile 16 of the support pile 11 of construction both sides foundation ditch 20 and middle foundation ditch 10 at high 101, will support pile 11 and foundation pile 16
In the earthwork squeezed into below substrate absolute altitude 101.Foundation pile 16 is disposed on the middle part of middle foundation ditch 10, and support pile 11
The periphery of middle foundation ditch 10 is disposed on, and the support pile 11 need to be designed to solid matter support pile 11, the support pile 11 not connects
It is continuous continuous, but between support pile and support pile, have the clear spacing of 20 cms, and can be using the support pile 11 as two side bases
The vertical support system in hole 20, while support pile 11 is alternatively arranged as the foundation pile of middle foundation ditch 10, plays a part of to support stress.
With reference to Fig. 6, after the completion of support pile 11 and the construction of foundation pile 16, middle foundation ditch 10 of constructing at the position of the substrate absolute altitude 101
Structure base slab 12, the structure base slab 12 are constituted using armored concrete, and are combined with the top of support pile 11 and foundation pile 16,
And can using the structure base slab 12 as 20 vertical support system of both sides foundation ditch first horizontal cross-pulling system.
As shown in figure 8, treating that structure base slab 12 reaches the 90% of design strength, start the synchronous earthwork for excavating both sides foundation ditch 20
First to the middle setting of foundation ditch 10 is prestressed to drawing at 14 position of anchor cable, and in the same of 20 earth excavation of both sides foundation ditch
When construction supporting stake 11 on link plate 13.Then by the way of Directional Drilling traction, and the levelness crept into is kept, in the middle of construction
First of foundation ditch 10 is prestressed to drawing anchor cable 14, make this first it is prestressed drawing anchor cable 14 between side support pile 11
In gap, level is pierced into, and is passed from level in relative 11 gap of opposite side support pile.Then, on the outside of support pile 11, this first
Road is prestressed to drawing anchor cable 14 to pierce into and pass first waist rail 15 that arrange at the position of support pile 11 and construct, and treats waist rail 15
After reaching design strength, first of tensioning is prestressed to drawing anchor cable 14 and being anchored and locked.Then repeat the above steps,
Until the substrate absolute altitude of 20 earth excavation of both sides foundation ditch to the both sides foundation ditch 20, and divide from top to bottom in this digging process simultaneously
The prestressed construction to drawing anchor cable in each road is not completed, the supporting construction of the foundation ditch system as shown in Figure 10, is thus completed.
With reference to Fig. 9 and Figure 10, above-mentioned link plate 13 is made up of expansion bolt 131, reinforced mesh 132 and concrete 133.Hang
When plate 13 is constructed, expansion bolt 131 is squeezed into the outside of every support pile 11 first, the expansion bolt 131 can adopt length 150
The M12 expansion bolts of millimeter, and 131 longitudinally spaced 500 millimeters of the expansion bolt is arranged on the outside of every support pile 11.Then
Reinforced mesh 132 is hung on expansion bolt 131 completely, the reinforced mesh 132 can adopt a diameter of 8 millimeters of reinforcement fabrication, and should
The longitudinal pitch and horizontal spacing of reinforcing bar can be respectively set as 200 millimeters.Finally, support pile 11 gap area 111 and
On the outside of support pile 11, the full 132 area spray concrete 133 of reinforced mesh hung, forms concrete layer.The concrete 133 can be adopted
Concrete of the strength grade for C20, and the jet thickness of the concrete 133 is most suitable in 100 millimeters, thus completes link plate
Construction, so as to effectively prevent the earthwork in middle foundation ditch to both sides foundation ditch be lost in.
In base pit stand construction of the present invention, the width of middle foundation ditch is most suitable within 40 meters；It is prestressed to draw
Anchor cable should be horizontally disposed with, and the difference in height that the prestressed quantity to drawing anchor cable is arranged by middle foundation ditch with both sides foundation ditch is determined
It is fixed, and the quantity of waist rail is arranged according to the prestressed quantity to drawing anchor cable；During the earth excavation of both sides foundation ditch, it is necessary to while
The construction of link plate is carried out on the outside of engineering pile, prevents the earthwork in middle foundation ditch to be lost in both sides foundation ditch, and the soil of the both sides foundation ditch
Side be excavated to it is prestressed to drawing at anchor cable when, it is necessary to the continuation for suspending the both sides pit earthwork is excavated, and is carried out at this in time
The prestressed construction to drawing anchor cable.
The structure and construction method of pattern foundation pit supporting structure of the present invention, including engineering pile, structure base slab, link plate, level be prestressed
Setting to drawing anchor cable and waist rail.In the Adjacent Pit support system, using middle foundation ditch propping up near both sides foundation ditch side
Fender pile foundation pile both as middle foundation ditch, and as the vertical supporting construction of both sides foundation ditch, and using the structure of middle foundation ditch
Base plate as the vertical supporting construction of both sides foundation ditch first level to pull-up structure, three foundation ditches are carried out into overall planning.The base
Pit supporting method had both avoided in the middle of in conventional construction method that the excavation of the earthwork and backfill are applied to middle foundation ditch below foundation ditch
Work affects, and the repetition that it also avoid occurring some structures when both sides foundation ditch separately designs vertical supporting construction is arranged, and this
Maintaining method can also make the intimate synchronous construction of the structure of middle foundation ditch and both sides foundation ditch.On the premise of construction safety is ensured, can
Ensure construction speed, and vertical supporting construction can be reduced, save construction cost.
Claims (10)
1. a kind of construction method of pattern foundation pit supporting structure, this need to carry out the foundation ditch of supporting construction by a middle foundation ditch and the middle foundation ditch
The both sides foundation ditch composition of both sides, it is characterised in that comprise the following steps：
A. at the substrate absolute altitude of the earthwork of excavation pit to middle foundation ditch；
B. construct the support pile of both sides foundation ditch at the foundation pile of the middle foundation ditch, and middle foundation ditch periphery；
C. at the substrate absolute altitude of middle foundation ditch the construction middle foundation ditch structure base slab；
D. the earthwork for excavating both sides foundation ditch is prestressed to drawing at anchor cable depth location, and in two side base of position together to arranging
Construct between hole described prestressed to drawing anchor cable together；
E. repeat step d excavates the earthwork of both sides foundation ditch from top to bottom and each road of constructing successively is prestressed to drawing anchor cable, until
At the substrate absolute altitude of both sides foundation ditch.
2. base pit stand construction as claimed in claim 1, it is characterised in that step d further includes following step
Suddenly：
D1. the earthwork for excavating both sides foundation ditch is prestressed to drawing at anchor cable depth location to one；
D2. the construction of link plate is carried out while excavating both sides pit earthwork on the outside of the support pile；
D3. arrange prestressed to drawing construction at anchor cable depth location prestressed to drawing anchor cable together together in step d1；
D4. in step d3 construction together prestressed one waist rail of outside construction to drawing the support pile at anchor cable position；
D5. it is prestressed to drawing anchor cable and anchoring together described in tensioning step d3.
3. base pit stand construction as claimed in claim 2, it is characterised in that the step d2 support pile outer side suspending board
Construction procedure is further included：
D21. longitudinally spaced expansion bolt is squeezed in the outside of every support pile；
D22. reinforced mesh is completely hung on the expansion bolt；
D23. in the region in adjacent support pile gap, and the full reinforced mesh area spray concrete hung is formed on the outside of support pile
Link plate, completes the construction of link plate.
4. base pit stand construction as claimed in claim 1, it is characterised in that：It is described prestressed to drawing anchor cable construction
When, the levelness crept into is drawn and is kept using Directional Drilling；And it is described prestressed drawing anchor cable between the foundation pit supporting pile of side
Gap level is pierced into, and is passed from relative opposite side foundation pit supporting pile gap level.
5. base pit stand construction as claimed in claim 1, it is characterised in that：The support pile is designed to solid matter supporting
Stake.
6. base pit stand construction as claimed in claim 1, it is characterised in that：The structure base slab and the foundation pile and
The top of the support pile combines.
7. a kind of structure of pattern foundation pit supporting structure, the foundation ditch of the supporting is by a middle foundation ditch and the both sides foundation ditch of the middle foundation ditch both sides
Composition, and the depth of middle foundation ditch is less than both sides foundation ditch, it is characterised in that include：
The supporting of the foundation pile and both sides foundation ditch of middle foundation ditch is set in the earthwork below the intermediate base pit foundation bottom absolute altitude
Stake；
Structure base slab is provided with the intermediate base pit foundation bottom absolute altitude, the top of the structure base slab and aforementioned base stake and support pile
End combines；
It is equipped between the relative support pile gap of both sides foundation ditch prestressed to drawing anchor cable；
Link plate is provided with the outside of support pile.
8. foundation pit supporting construction as claimed in claim 7, it is characterised in that：The support pile is located at the outer of the middle foundation ditch
Enclose, and the support pile is solid matter support pile.
9. foundation pit supporting construction as claimed in claim 7, it is characterised in that：The link plate includes a plurality of expansion bolts, answers
The longitudinally spaced outside for being arranged on every support pile of several reinforced mesh and concrete layer, wherein expansion bolt, and the expansion
Reinforced mesh is linked with bolt, the region in the adjacent support pile gap, and the reinforced mesh region hung on the outside of support pile
It is provided with concrete layer.
10. foundation pit supporting construction as claimed in claim 7, it is characterised in that：It is described prestressed to drawing at anchor cable position
Waist rail is provided with the outside of support pile.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610986487.4A CN106522236B (en) | 2016-11-09 | 2016-11-09 | The structure and construction method of pattern foundation pit supporting structure |
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| CN201610986487.4A CN106522236B (en) | 2016-11-09 | 2016-11-09 | The structure and construction method of pattern foundation pit supporting structure |
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| CN107130610A (en) * | 2017-05-24 | 2017-09-05 | 广州市第建筑工程有限公司 | A kind of construction method of deep foundation pit support |
| CN107542096A (en) * | 2017-08-29 | 2018-01-05 | 中国建筑第八工程局有限公司 | The supporting construction of dam body between a kind of Adjacent Pit |
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| CN111749249A (en) * | 2020-07-23 | 2020-10-09 | 牛斌 | Building enclosure construction method for protecting existing building in foundation pit |
| CN115094908A (en) * | 2022-07-22 | 2022-09-23 | 深圳市南华岩土工程有限公司 | Multi-section fixed-point limiting anti-tilting foundation pit support and process method |
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| CN107130610A (en) * | 2017-05-24 | 2017-09-05 | 广州市第建筑工程有限公司 | A kind of construction method of deep foundation pit support |
| CN107542096A (en) * | 2017-08-29 | 2018-01-05 | 中国建筑第八工程局有限公司 | The supporting construction of dam body between a kind of Adjacent Pit |
| CN108999196A (en) * | 2018-08-15 | 2018-12-14 | 北京市政建设集团有限责任公司 | In-network processing construction method for supporting between a kind of stake |
| CN110130361A (en) * | 2019-05-14 | 2019-08-16 | 广州地铁设计研究院股份有限公司 | It is a kind of for protecting the foundation pit supporting construction and its construction method of subway tunnel structure |
| CN111749249A (en) * | 2020-07-23 | 2020-10-09 | 牛斌 | Building enclosure construction method for protecting existing building in foundation pit |
| CN111749249B (en) * | 2020-07-23 | 2022-03-08 | 北京城建设计发展集团股份有限公司 | Building enclosure construction method for protecting existing building in foundation pit |
| CN115094908A (en) * | 2022-07-22 | 2022-09-23 | 深圳市南华岩土工程有限公司 | Multi-section fixed-point limiting anti-tilting foundation pit support and process method |
| CN115094908B (en) * | 2022-07-22 | 2024-01-19 | 深圳市南华岩土工程有限公司 | Multistage fixed-point limiting inclination-preventing foundation pit support and process method |
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| CN106522236B (en) | 2018-09-04 |
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