CN205712121U - Foundation pit supporting construction - Google Patents
Foundation pit supporting construction Download PDFInfo
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- CN205712121U CN205712121U CN201620322969.5U CN201620322969U CN205712121U CN 205712121 U CN205712121 U CN 205712121U CN 201620322969 U CN201620322969 U CN 201620322969U CN 205712121 U CN205712121 U CN 205712121U
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- foundation pit
- pit supporting
- supporting construction
- engineering method
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Abstract
This application provides a kind of foundation pit supporting construction, described foundation pit supporting construction is for the architectural engineering in coastal backfill region, and described foundation pit supporting construction includes at least one SMW engineering method stake, prestress anchorage cable and goes along with sb. to guard him collar tie beam；Wherein, described in go along with sb. to guard him collar tie beam and close in the horizontal direction and build by laying bricks or stones in some described SMW engineering method stakes, described SMW engineering method stake and described collar tie beam of going along with sb. to guard him are anchored by described prestress anchorage cable.According to coastal area geological condition feature, it is ensured that while pattern foundation pit supporting structure safety, guarantee pattern foundation pit supporting structure effect, improve efficiency of construction.
Description
Technical field
The application relates to mechanical field, particularly relates to the foundation pit supporting construction of the architectural engineering in a kind of coastal backfill region.
Background technology
In coastal backfill region construction, the one of foundation pit supporting project goes along with sb. to guard him gear earthwork formula, domestic in the past on edge
In the Foundation Pit Construction in backfill region, sea, frequently with Punching Borehole Cast-in-place Concrete Pile or employing SMW engineering method stake (Soil Mixing
Wall) mode combining internal support of foundation pit makees pattern foundation pit supporting structure.
When using Punching Borehole Cast-in-place Concrete Pile to make pattern foundation pit supporting structure, building enclosure is the firmest, it is difficult to cut, for the most also needing in the past
There is a bigger adverse effect at the position excavated, and which need to separately add high pressure rotary churning pile or cement mixing method makees sealing, also
Need to expend substantial amounts of reinforcing bar and concrete, cost is higher；And when using the support pattern of SMW engineering method stake+internal support of foundation pit, foundation ditch
The most often have the structure such as a large amount of lattice column and steel concrete support, have impact on earth excavation engineering and underground engineering to a certain extent
The work surface of each machinery in construction.
Summary of the invention
The application to solve the technical problem that, according to coastal area geological condition feature, it is provided that a kind of pattern foundation pit supporting structure knot
Structure, while guaranteeing pattern foundation pit supporting structure safety, ensureing pattern foundation pit supporting structure effect, improves efficiency of construction.
For achieving the above object, a kind of foundation pit supporting construction on the one hand provided according to the application, described pattern foundation pit supporting structure is tied
Structure for the architectural engineering in coastal backfill region, described foundation pit supporting construction include at least one SMW engineering method stake, prestress anchorage cable and
Go along with sb. to guard him collar tie beam；Wherein,
Described collar tie beam of going along with sb. to guard him is closed in the horizontal direction and is built by laying bricks or stones in some described SMW engineering method stakes, described prestress anchorage cable pair
Described SMW engineering method stake and described collar tie beam of going along with sb. to guard him anchor.
Further, described prestress anchorage cable includes anchoring section and free segment；Wherein, described anchoring section be fixed on described in build
Building in the rock mass stability of engineering underground, free segment one end of described prestress anchorage cable is connected with described anchoring section, the other end and company
Be connected to SMW engineering method stake described in one and described go along with sb. to guard him collar tie beam build junction by laying bricks or stones.
Further, described prestress anchorage cable is Recyclable anchor rope.
Further, described SMW engineering method stake includes cement mixing method and the H profile steel being inserted in cement mixing method.
Further, described foundation pit supporting construction also includes: plain concrete load transfering strip, and described plain concrete load transfering strip is arranged
Between described SMW engineering method stake and the base plate of described architectural engineering.
Further, described plain concrete load transfering strip along the described SMW engineering method stake transverse width to described base plate direction is
400 millimeters～600 millimeters.
Compared with prior art, herein described foundation pit supporting construction has the advantage that
1, combine the support pattern of prestress anchorage cable owing to have employed SMW engineering method stake, evaded employing Punching Borehole Cast-in-place Concrete Pile and made
During supporting, the later stage is difficult to situation about cutting, and for the engineering of Develop by stages, is beneficial to the underground structure in different exploitation period and carries out even
Logical；
2, prestress anchorage cable is used to SMW engineering method stake and to go along with sb. to guard him collar tie beam and anchor, it is to avoid to use and arrange in foundation ditch
When lattice column and steel concrete support, the work surface to all kinds of machineries has a negative impact so that in earth excavation and follow-up underground engineering
Vehicle and all kinds of construction machinery during construction have working place the most flexibly；
3, using SMW engineering method stake, wherein, H profile steel can be recycled after basement structure construction completes, prestressing force
Anchor cable may be used without Recyclable anchor rope, improves the utilization rate of resource, reduces cost.
Accompanying drawing explanation
By the detailed description that non-limiting example is made made with reference to the following drawings of reading, other of the application
Feature, purpose and advantage will become more apparent upon:
Fig. 1 illustrates a kind of foundation pit supporting construction schematic diagram on the one hand provided according to the application；
In accompanying drawing, same or analogous reference represents same or analogous parts.
Detailed description of the invention
Below in conjunction with the accompanying drawings the application is described in further detail.
The application is intended in line with according to coastal area geological condition feature, it is ensured that pattern foundation pit supporting structure safety, it is ensured that pattern foundation pit supporting structure
Effect, improves efficiency of construction, in foundation pit supporting project work progress, it is proposed that " SMW engineering method stake with together with prestress anchorage cable "
Foundation pit supporting construction method.
Fig. 1 illustrates a kind of foundation pit supporting construction on the one hand provided according to the application, and described foundation pit supporting construction is used for edge
The architectural engineering in backfill region, sea, described foundation pit supporting construction includes at least one SMW engineering method stake 100, prestress anchorage cable 200 and encloses
Guard ring beam 300；Wherein,
Described collar tie beam 300 of going along with sb. to guard him is closed in the horizontal direction and is built by laying bricks or stones in some described SMW engineering method stakes 100, described prestressing force
Described SMW engineering method stake 100 and described collar tie beam 100 of going along with sb. to guard him are anchored by anchor cable 200.
Preferably, described foundation pit supporting construction is positioned at below nature terrace.
Further, described prestress anchorage cable 200 includes anchoring section 200a and free segment 200b；Wherein, described anchoring section
200a is fixed in the rock mass stability of described architectural engineering underground, described free segment 200b one end and described anchoring section 200a phase
Even, the other end be connected to SMW engineering method stake 100 described in one and described go along with sb. to guard him collar tie beam 300 build junction by laying bricks or stones.
Preferably, described prestress anchorage cable 200 is Recyclable anchor rope.
Preferably, described SMW engineering method stake 100 includes cement mixing method 100b and the H being inserted in cement mixing method
Shaped steel 100a.Preferably, described SMW engineering method stake is to carry out drilling to certain depth at the scene with fountain type drilling blender, with
Time at drill bit spray cement system hardening agent and with foundation soil mix and blend repeatedly, then take overlap to take between each construction cell
Connecing construction, then before soil cement mixture is not tied firmly, insertion H profile steel or steel plate are as its stress reinforcing material, hard to cement knot,
Just formed and include cement mixing method 100b and H profile steel 100a that is inserted in cement mixing method together, have certain strong
Degree and rigidity, continuous whole, jointless underground wall body stake.
Go along with sb. to guard him collar tie beam more than 300 described in additionally, and use cast-in-situ steel reinforced concrete, in order to improve the overall empty of foundation pit supporting construction
Between rigidity, increase globality, building is played the effect of waist hoop, improves shearing resistance, tensile strength, and prevent owing to ground is uneven
Sedimentation, earthquake or other larger vibration load cracking destructions to house, its effect mainly also regulates contingent inequality
Even sedimentation, strengthens the globality on basis, also makes subgrade reaction evenly point, the most also has circle beam action and waterproof and dampproof
Effect.
Further, described foundation pit supporting construction also includes: plain concrete load transfering strip 600, described plain concrete load transfering strip
600 are arranged between described SMW engineering method stake 100 and the base plate 500 of described architectural engineering.Described plain concrete load transfering strip 600
Effect is the basement transferring the load to stablize bearing load when the prestress anchorage cable of H profile steel and an anchorage effect reclaims
On concrete floor, to form new mechanical balance.
Further, described plain concrete load transfering strip 600 is along the described SMW engineering method stake 100 horizontal stroke to described base plate 500 direction
It is 400 millimeters～600 millimeters to width, the distance between the most described SMW engineering method stake 100 and described base plate 500.Preferably
500 millimeters.
In a preferred embodiment, the construction method of described foundation pit supporting construction includes:
Construct some SMW engineering method stakes；
Construction is formed and does not executes prestressed anchor cable；
Collar tie beam is gone along with sb. to guard him in construction formation, described in go along with sb. to guard him collar tie beam and close in the horizontal direction and build by laying bricks or stones in some described SMW engineering method stakes；
To not executing prestressed anchor cable Shi Hanzhang, to be formed for described SMW engineering method stake with described go along with sb. to guard him collar tie beam
Carry out the prestress anchorage cable anchored.
Further, described SMW engineering method stake includes cement mixing method and the H profile steel being inserted in cement mixing method,
Described construction method also includes: after the basement engineering of described architectural engineering completes, and reclaims described prestress anchorage cable and described H
Shaped steel.
Further, described construction method also includes: execute between described SMW engineering method stake and the base plate of described architectural engineering
Work formin concrete load transfering strip.The effect of described plain concrete load transfering strip is at H profile steel and the prestressed anchor of an anchorage effect
Recovering the time receiving transfers the load to stablize on the concrete of basement base plate of bearing load, to form new mechanical balance.
Compared with prior art, herein described foundation pit supporting construction has the advantage that
1, combine the support pattern of prestress anchorage cable owing to have employed SMW engineering method stake, evaded employing Punching Borehole Cast-in-place Concrete Pile and made
During supporting, the later stage is difficult to situation about cutting, and for the engineering of Develop by stages, is beneficial to the underground structure in different exploitation period and carries out even
Logical；
2, prestress anchorage cable is used to SMW engineering method stake and to go along with sb. to guard him collar tie beam and anchor, it is to avoid to use and arrange in foundation ditch
When lattice column and steel concrete support, the work surface to all kinds of machineries has a negative impact so that in earth excavation and follow-up underground engineering
Vehicle and all kinds of construction machinery during construction have working place the most flexibly；
3, using SMW engineering method stake, wherein, H profile steel can be recycled after basement structure construction completes, prestressing force
Anchor cable may be used without Recyclable anchor rope, improves the utilization rate of resource, reduces cost.
It is obvious to a person skilled in the art that the application is not limited to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of spirit herein or basic feature, it is possible to realize the application in other specific forms.Therefore, no matter
From the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present application is by appended power
Profit requires rather than described above limits, it is intended that all by fall in the implication of equivalency and scope of claim
Change is included in the application.Should not be considered as limiting involved claim by any reference in claim.
Obviously, those skilled in the art can carry out various change and the deformation essence without deviating from the application to the application
God and scope.So, if these amendments and modification to the application belong to the model of the application claim and equivalent technologies thereof
Within enclosing, then the application is also intended to comprise these variation and modification.
Claims (6)
1. a foundation pit supporting construction, it is characterised in that described foundation pit supporting construction is used for the architectural engineering in coastal backfill region,
Described foundation pit supporting construction includes at least one SMW engineering method stake, prestress anchorage cable and goes along with sb. to guard him collar tie beam；Wherein,
Described collar tie beam of going along with sb. to guard him is closed in the horizontal direction and is built by laying bricks or stones in some described SMW engineering method stakes, and described prestress anchorage cable is to described
SMW engineering method stake and described collar tie beam of going along with sb. to guard him anchor.
Foundation pit supporting construction the most according to claim 1, it is characterised in that described prestress anchorage cable include anchoring section and from
By section；Wherein,
Described anchoring section is fixed in the rock mass stability of described architectural engineering underground, free segment one end of described prestress anchorage cable with
Described anchoring section is connected, the other end be connected to SMW engineering method stake described in one and described go along with sb. to guard him collar tie beam build junction by laying bricks or stones.
Foundation pit supporting construction the most according to claim 1 and 2, it is characterised in that described prestress anchorage cable is recyclable anchor
Rope.
Foundation pit supporting construction the most according to claim 1, it is characterised in that described SMW engineering method stake includes Soil-cement
Stake and the H profile steel being inserted in cement mixing method.
Foundation pit supporting construction the most according to claim 1, it is characterised in that described foundation pit supporting construction also includes:
Plain concrete load transfering strip, described plain concrete load transfering strip is arranged at described SMW engineering method stake and the base plate of described architectural engineering
Between.
Foundation pit supporting construction the most according to claim 5, it is characterised in that described plain concrete load transfering strip is along described SMW
The engineering method stake transverse width to described base plate direction is 400 millimeters～600 millimeters.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521128000 | 2015-12-29 | ||
| CN2015211280006 | 2015-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205712121U true CN205712121U (en) | 2016-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620322969.5U Active CN205712121U (en) | 2015-12-29 | 2016-04-18 | Foundation pit supporting construction |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106400810A (en) * | 2015-12-29 | 2017-02-15 | 上海建工五建集团有限公司 | Foundation pit support structure and construction method thereof |
| CN108277808A (en) * | 2017-01-05 | 2018-07-13 | 上海城地建设股份有限公司 | Support, anchor cable post-tensioning H-type component building enclosure and its application process before a kind of steel pipe |
| CN113136871A (en) * | 2021-04-06 | 2021-07-20 | 中冶集团武汉勘察研究院有限公司 | Permanently-adjacent combined retaining structure for foundation pit and side slope in limited space of sloping field and construction method |
-
2016
- 2016-04-18 CN CN201620322969.5U patent/CN205712121U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106400810A (en) * | 2015-12-29 | 2017-02-15 | 上海建工五建集团有限公司 | Foundation pit support structure and construction method thereof |
| CN108277808A (en) * | 2017-01-05 | 2018-07-13 | 上海城地建设股份有限公司 | Support, anchor cable post-tensioning H-type component building enclosure and its application process before a kind of steel pipe |
| CN113136871A (en) * | 2021-04-06 | 2021-07-20 | 中冶集团武汉勘察研究院有限公司 | Permanently-adjacent combined retaining structure for foundation pit and side slope in limited space of sloping field and construction method |
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