CN108035362A - Mixing pile inner sleeve beats the foundation pit enclosure structure and construction method of quincunx bored concrete pile - Google Patents
Mixing pile inner sleeve beats the foundation pit enclosure structure and construction method of quincunx bored concrete pile Download PDFInfo
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- CN108035362A CN108035362A CN201810034412.5A CN201810034412A CN108035362A CN 108035362 A CN108035362 A CN 108035362A CN 201810034412 A CN201810034412 A CN 201810034412A CN 108035362 A CN108035362 A CN 108035362A
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- double shaft
- shaft stirring
- stirring stake
- bored concrete
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- 238000010276 construction Methods 0.000 title claims abstract description 37
- 238000003756 stirring Methods 0.000 claims abstract description 105
- 238000009412 basement excavation Methods 0.000 claims abstract description 19
- 239000004568 cement Substances 0.000 claims abstract description 19
- 239000002689 soil Substances 0.000 claims abstract description 17
- 238000005266 casting Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims 1
- 238000005345 coagulation Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 208000009146 rhinoscleroma Diseases 0.000 abstract description 3
- 238000009432 framing Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000002787 reinforcement Effects 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000004927 clay Substances 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- 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
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
-
- 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
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
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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)
- Piles And Underground Anchors (AREA)
Abstract
The present invention relates to the foundation pit enclosure structure and construction method that a kind of mixing pile inner sleeve beats quincunx bored concrete pile, belong to foundation pit enclosure structure technical field.The foundation pit enclosure structure includes crisscross Double shaft stirring stake group and horizontal Double shaft stirring stake, and some bored concrete piles being arranged in Double shaft stirring stake group, and the bored concrete pile in the two neighboring Double shaft stirring stake group is staggered.The foundation pit enclosure structure and construction method, crisscross cement mixing pile framing is formed in the weak soil of foundation pit surrounding, make weak soil scleroma into the high-quality ground with globality, water stability and some strength, then set beats bored concrete pile wherein, the construction quality of bored concrete pile is controllable, and foundation pit enclosure structure is safe and reliable；Moreover, the foundation pit enclosure structure can reduce or without using horizontal support, accelerate earth excavation speed, shorten the construction period, accomplish not use or use horizontal support on a small quantity, have the advantages that to economize on resources, environment influence it is small.
Description
Technical field
The present invention relates to the foundation pit enclosure structure and construction method that a kind of mixing pile inner sleeve beats quincunx bored concrete pile, belong to base
Pit enclosure technical field of structures.
Background technology
The design of current soft soil foundation Large and Deep Foundation Pit structure, that construction method still applies mechanically traditional depth substantially is little
Medium and small foundation pit method, i.e., using diaphram wall or campshed earth-retaining, while multiple tracks horizontal support or anchor pole are set.Weak soil
The temporary structure such as area's substantial amounts of diaphram wall of Large and Deep Foundation Pit engineering generally use (or campshed) and horizontal support or anchor pole
As retaining structure.When foundation pit width is smaller, shaped steel can be used to realize recycling for horizontal support as horizontal support；Base
When hole width is larger, generally use armored concrete horizontal support.Since foundation pit area is huge, set horizontal support cost high
(cost of per pass horizontal reinforcement concrete support is up to millions of members, or even up to ten million members), long construction period, remove inconvenience,
Earth excavation and underground engineering structure construction inconvenience, and the disposition of solid waste such as concrete largely removed is tired with recycling
Difficulty, need to take substantial amounts of heap and abandon place etc., waste substantial amounts of manpower, financial resources, material resources and social resources.
And the building enclosure of foundation pit passes through machine drilling, steel pipe soil compaction frequently with cast-in-situ bored pile form in engineering site
Or manpower the means such as excavates and forms stake holes in foundation soil, and place in it steel reinforcement cage, concrete perfusion and make.In reality
In engineer application, because concrete irrigates in muddy water, concrete Quality Control difficulty is big, time-consuming, and speed of fulfiling hole is slow,
Body refuse pollutes environment.In addition the pore-forming problems such as collapse hole, undergauge, stake holes deflection often occur in cast-in-situ bored pile.
The content of the invention
Soft soil foundation Large and Deep Foundation Pit structure using concrete Quality Control difficulty existing for cast-in-situ bored pile it is big, take a lot of work
The problems such as time-consuming, speed of fulfiling hole is slow, body refuse pollution environment, and armored concrete horizontal support cost height, long construction period, tear open
Except inconvenience, earth excavation and underground engineering structure construction inconvenience and there are the problems such as a large amount of solid waste, the present invention provides
A kind of mixing pile inner sleeve beats the foundation pit enclosure structure and construction method of quincunx bored concrete pile, and filling pile construction is quality controllable, foundation pit
Building enclosure is safe and reliable, meanwhile, using in mixing pile set beat the building enclosure of bored concrete pile, it is possible to reduce or without using water
Flat support, accelerates earth excavation speed, shortens the construction period, accomplish not use or use horizontal support on a small quantity, with economize on resources, ring
Border influences the advantages of small.
To solve above technical problem, the present invention includes following technical solution：
A kind of mixing pile inner sleeve beats the foundation pit enclosure structure of quincunx bored concrete pile, including：
The Double shaft stirring stake group that at least two parallel intervals are set, the Double shaft stirring stake group include at least two rows and mutually sting
Longitudinal Double shaft stirring stake of conjunction；
Some rows are arranged at intervals at the horizontal Double shaft stirring stake between two adjacent Double shaft stirring stake groups；And
Some bored concrete piles, the bored concrete pile are arranged in the Double shaft stirring stake group, and the two neighboring twin shaft stirs
The bored concrete pile mixed in a group is staggered；
Wherein, longitudinal Double shaft stirring stake and horizontal Double shaft stirring stake are cement mixing pile.
Preferably, the foundation pit enclosure structure further includes the concrete layer that bears down on one, and the concrete layer that bears down on one is positioned at described double
At the top of axis mixing pile group and bored concrete pile, the junction for bearing down on one concrete layer and the bored concrete pile is provided with pile cover.
Preferably, the elevation of bottom close to the Double shaft stirring stake group for meeting pitted surface is less than meets the described of pitted surface away from described
The elevation of bottom of Double shaft stirring stake group.
Preferably, elevation of bottom of the bored concrete pile elevation of bottom less than the Double shaft stirring stake group at place.
Preferably, the diameter of the bored concrete pile is less than the diameter of longitudinal Double shaft stirring stake.
Correspondingly, present invention also offers the foundation pit enclosure structure that a kind of mixing pile inner sleeve beats quincunx bored concrete pile
Construction method, include the following steps：
S1. according to the position of the location determination Double shaft stirring stake group in excavation of foundation pit face, it is then determined that horizontal Double shaft stirring stake
Spacing；
S2. on the basis of excavation of foundation pit face, construct successively Double shaft stirring stake group, horizontal Double shaft stirring by approximately principle after first remote
Stake, and adjacent two rows of longitudinal Double shaft stirring stakes of same Double shaft stirring stake group are mutually twisted, make the horizontal Double shaft stirring
Stake is mutually twisted with the longitudinal Double shaft stirring stake being connected；
S3. determine the position of bored concrete pile, and using the sequence of construction of interval pile, beaten in the Double shaft stirring stake group inner sleeve
The bored concrete pile, and shift to install the bored concrete pile in two adjacent Double shaft stirring stake groups.
Preferably, after step s 3, following steps are further included：
S4. levelling construction is carried out at the top of the Double shaft stirring stake group and bored concrete pile, and is opened up at the top of the bored concrete pile
Slot, then casting concrete, formation are beared down on one concrete layer, and the concrete in slot at the top of the bored concrete pile forms pile cover.
In conclusion mixing pile inner sleeve provided by the invention beats the foundation pit enclosure structure of quincunx bored concrete pile, it is provided with more
Group Double shaft stirring stake group and each group of Double shaft stirring stake group include at least two rows of longitudinal Double shaft stirring stakes and in two adjacent groups twin shafts
Horizontal Double shaft stirring stake is set between mixing pile group, and longitudinal Double shaft stirring stake, horizontal Double shaft stirring stake use cement mixing
Stake, so as to form crisscross cement mixing pile framing in the weak soil of foundation pit surrounding, make weak soil scleroma into globality,
The high-quality ground of water stability and some strength, then set beats bored concrete pile wherein, and filling pile construction is quality controllable, and improves
The rigidity and anti-shear ability of foundation pit enclosure structure, can be by the Deformation control of foundation pit in the range of requiring, and takes into account gear at the same time
Soil and water stopping function.Moreover, foundation pit enclosure structure beats the form of quincunx bored concrete pile using mixing pile inner sleeve, can resist larger
Lateral pressure of soft clay, it is possible to reduce using or without using horizontal support, accelerate earth excavation speed, shorten the construction period, there is section
About resource, environment influence the advantages of small.In addition, the concrete layer work that bears down on one is set at the top of the Double shaft stirring stake group and bored concrete pile
For builder's road, resource can be made to be utilized effectively, and the space that can save the area.
Brief description of the drawings
Fig. 1 is that the structure for the foundation pit enclosure structure that the mixing pile inner sleeve in one embodiment of the invention beats quincunx bored concrete pile is shown
It is intended to；
Fig. 2 is along the sectional view of A-A in Fig. 1；
Fig. 3 is along the sectional view of B-B in Fig. 1.
Figure label is as follows：
Excavation of foundation pit face 10；Foundation pit enclosure structure 100；Double shaft stirring stake group 110；Longitudinal Double shaft stirring stake 111；It is laterally double
Axis mixing pile 112；Bored concrete pile 120；Bear down on one concrete layer 130；Pile cover 140.
Embodiment
The foundation pit of quincunx bored concrete pile is beaten mixing pile inner sleeve provided by the invention below in conjunction with the drawings and specific embodiments
Building enclosure and construction method are described in further detail.With reference to following explanation and claims, advantages of the present invention and spy
Sign will become apparent from.It should be noted that attached drawing uses using very simplified form and non-accurate ratio, only to side
Just the purpose of the embodiment of the present invention, is lucidly aided in illustrating.
It should be noted that it is longitudinally, laterally consistent with the direction in attached drawing in embodiment, not to the limit of technical solution
System.
Embodiment one
Incorporated by reference to shown in Fig. 1 to Fig. 3, a kind of mixing pile inner sleeve provided in this embodiment beats the base of quincunx bored concrete pile 120
Pit enclosure structure 100, including the Double shaft stirring stake group 110 that two parallel intervals are set, the twin shaft at excavation of foundation pit face 10
Mixing pile group 110 includes longitudinal Double shaft stirring stake 111 that three rows are mutually twisted, the Double shaft stirring stake group away from excavation of foundation pit face 10
110 include two rows of longitudinal Double shaft stirring stakes 111 being mutually twisted, and some rows are provided between two Double shaft stirring stake groups 110
Spaced transverse direction Double shaft stirring stake 112.Wherein, longitudinal Double shaft stirring stake 111 and horizontal Double shaft stirring stake 112 are stirred for cement
Mix stake, after cement and weak soil are sufficiently stirred by Mixing Machine, cement as curing agent make weak soil harden into globality,
The high-quality ground of water stability and some strength, by varying the additive ratio of cement, so as to adjust the intensity of cement mixing pile.
Some bored concrete piles 120 are arranged at intervals in two rows of Double shaft stirring stake groups 110, bored concrete pile 120 is arranged in cement mixing pile, are irrigated
The construction quality of stake 120 is controllable, phenomena such as being less prone to collapse hole, undergauge, stake holes deflection.And two neighboring Double shaft stirring stake group
Bored concrete pile 120 in 110 is staggered, so that the bored concrete pile 120 in multiple Double shaft stirring stake groups 110 forms quincunx knot
Structure, can strengthen the globality and stability of foundation pit enclosure structure 100, can effectively stop that the foundation pit edge soil body slides.
Preferred embodiment is as shown in Figures 2 and 3, to be set in Double shaft stirring stake group 110 and the top of bored concrete pile 120
There is the concrete layer 130 that bears down on one to be used as builder's road, as an example, bear down on one concrete layer 130 can use C25 concretings and
Into when builder's road has higher load-bearing requirements, framework of steel reinforcement can also be set in concrete.Preferably, bear down on one concrete layer
130 are provided with pile cover 140 with the junction of bored concrete pile 120, the active force for the concrete layer 130 that bears down on one can be effectively transferred to filling
Note stake 120.
Preferred embodiment is, as shown in Figures 2 and 3, close to the elevation of bottom for the Double shaft stirring stake group 110 for meeting pitted surface
Less than the elevation of bottom away from the Double shaft stirring stake group 110 for meeting pitted surface.That is, close to the Double shaft stirring stake group for meeting pitted surface
110 buried depth is deeper, in excavation of foundation pit, is conducive to the monolithic stability of building enclosure.Due to away from the Double shaft stirring for meeting pitted surface
Stake group 110 apart from excavation of foundation pit face 10 relatively far away from, can be with the premise of 100 overall stability of foundation pit enclosure structure is ensured
With relatively shallower length of embedment, so as to accelerate speed of application.
Preferred embodiment is that as shown in Figures 2 and 3,120 elevation of bottom of bored concrete pile is less than the Double shaft stirring stake at place
The elevation of bottom of group 110.That is, the buried depth of cement mixing pile is less than the buried depth of bored concrete pile 120, the bottom of bored concrete pile 120
The soil body lateral pressure being subject to is relatively small, and it is little to safety effects to be not provided with cement mixing pile, therefore can reduce cement mixing
The buried depth of stake, accelerates construction progress.
Preferred embodiment is that the diameter of bored concrete pile 120 is less than the diameter of longitudinal Double shaft stirring stake 111, makes bored concrete pile
120 surroundings have the cement mixing pile of adequate thickness, it is ensured that the construction quality of bored concrete pile 120, improves the whole of building enclosure
Body security performance.
In conclusion mixing pile inner sleeve provided by the invention beats the foundation pit enclosure structure 100 of quincunx bored concrete pile 120, if
Be equipped with multigroup Double shaft stirring stake group 110 and each group of Double shaft stirring stake group 110 include at least two rows of longitudinal Double shaft stirring stakes 111,
And horizontal Double shaft stirring stake 112 is set between two adjacent groups Double shaft stirring stake group 110, and longitudinal Double shaft stirring stake 111, transverse direction
Double shaft stirring stake 112 uses cement mixing pile, so as to form crisscross cement mixing pile in the weak soil of foundation pit surrounding
Frame, making weak soil scleroma, then set beats bored concrete pile wherein into the high-quality ground with globality, water stability and some strength
120,120 construction quality of bored concrete pile is controllable, and improves the rigidity and anti-shear ability of foundation pit enclosure structure 100, can be by foundation pit
Deformation control in the range of requiring, and foundation pit enclosure structure 100 at the same time take into account earth-retaining and water stopping function.Moreover, foundation pit encloses
Protection structure 100 beats the form of quincunx bored concrete pile 120 using mixing pile inner sleeve, can resist larger lateral pressure of soft clay, can be with
Reduce using or without using horizontal support, accelerate earth excavation speed, shorten the construction period, have economize on resources, environment influence it is small
The advantages of.In addition, set the concrete layer 130 that bears down on one to be used as builder's road in Double shaft stirring stake group 110 and the top of bored concrete pile 120,
Resource can be made to be utilized effectively, and the space that can save the area.
Embodiment two
Present invention also offers a kind of construction method of the foundation pit enclosure structure 100 in embodiment one, with reference to Fig. 1 extremely
Fig. 3 is further described the construction method, which specifically comprises the following steps：
S1. according to the position of the location determination Double shaft stirring stake group 110 in excavation of foundation pit face 10, it is then determined that horizontal twin shaft stirs
Mix the spacing of stake 112.10 setting-out of excavation of foundation pit face is first carried out, and Double shaft stirring stake group is carried out on the basis of excavation of foundation pit face 10
110 setting-outs, and horizontal 112 setting-out of Double shaft stirring stake.
S2. on the basis of excavation of foundation pit face 10, construct successively Double shaft stirring stake group 110, laterally double by approximately principle after first remote
Axis mixing pile 112, and adjacent two rows of longitudinal Double shaft stirring stakes 111 of same Double shaft stirring stake group 110 are mutually twisted, make horizontal stroke
It is mutually twisted to Double shaft stirring stake 112 with the longitudinal Double shaft stirring stake 111 being connected.
Double shaft stirring stake group 110 includes at least two rows of longitudinal Double shaft stirring stakes 111, multiple cement mixing piles of each row it
Between be engaged successively, be also mutually twisted between adjacent two rows of longitudinal Double shaft stirring stake 111；Moreover, the horizontal twin shaft of each row stirs
Mix and be mutually twisted between multiple cement mixing piles of stake 112, the horizontal Double shaft stirring stake 112 of each row end respectively with both ends
Longitudinal Double shaft stirring stake 111 is mutually twisted.So set, foundation pit enclosure structure 100 has more preferable globality and stability.
S3. the position of bored concrete pile 120 is determined, and using the sequence of construction of interval pile, in 110 inner sleeve of Double shaft stirring stake group
Bored concrete pile 120 is beaten, and shifts to install the bored concrete pile 120 in two adjacent Double shaft stirring stake groups 110.Put in bored concrete pile 120
After the completion of sample, drilled, transfer steel reinforcement cage and casting concrete.When bored concrete pile 120 is constructed, it should use to jump and play construction, protect
Adjacent two bored concrete piles 120 construction certain interval of time is demonstrate,proved, for example when interval 24 is small, reduces the influence to facing stake to the greatest extent.
Preferred embodiment is after step s 3, to further include following steps：
S4. levelling construction is carried out in Double shaft stirring stake group 110 and the top of bored concrete pile 120, and is opened up at the top of bored concrete pile 120
Slot, then casting concrete, formation are beared down on one concrete layer 130, and the concrete in the slot at the top of bored concrete pile 120 forms pile cover
140.Bearing down on one concrete layer 130 can be as the interim sidewalk in construction, the label of the concrete of use and the concrete layer that bears down on one
130 thickness is determined by design load-bearing.Pile cover 140 is set at the top of bored concrete pile 120, the concrete layer 130 that will can bear down on one is made
Firmly effectively it is transferred to bored concrete pile 120, reasonable stress, power transmission smooth-going, stable structure.
Embodiment described above only expresses the several embodiments of the present invention, its description is more specific and detailed, but simultaneously
Cannot therefore it be construed as limiting the scope of the patent.It should be pointed out that come for those of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (7)
1. a kind of mixing pile inner sleeve beats the foundation pit enclosure structure of quincunx bored concrete pile, it is characterised in that including：
The Double shaft stirring stake group that at least two parallel intervals are set, the Double shaft stirring stake group include what at least two rows were mutually twisted
Longitudinal Double shaft stirring stake；
Some rows are arranged at intervals at the horizontal Double shaft stirring stake between two adjacent Double shaft stirring stake groups；And
Some bored concrete piles, the bored concrete pile are arranged in the Double shaft stirring stake group, and the two neighboring Double shaft stirring stake
The bored concrete pile in group is staggered；
Wherein, longitudinal Double shaft stirring stake and horizontal Double shaft stirring stake are cement mixing pile.
2. foundation pit enclosure structure as claimed in claim 1, it is characterised in that the foundation pit enclosure structure further includes the coagulation that bears down on one
Soil layer, the concrete layer that bears down on one are located at the top of the Double shaft stirring stake group and bored concrete pile, it is described bear down on one concrete layer with it is described
The junction of bored concrete pile is provided with pile cover.
3. foundation pit enclosure structure as claimed in claim 1, it is characterised in that close to the Double shaft stirring stake group for meeting pitted surface
Elevation of bottom is less than the elevation of bottom away from the Double shaft stirring stake group for meeting pitted surface.
4. foundation pit enclosure structure as claimed in claim 3, it is characterised in that the bored concrete pile elevation of bottom is less than the institute at place
State the elevation of bottom of Double shaft stirring stake group.
5. foundation pit enclosure structure as claimed in claim 1, it is characterised in that it is double that the diameter of the bored concrete pile is less than the longitudinal direction
The diameter of axis mixing pile.
It is 6. a kind of as claim 1 to 5 any one of them mixing pile inner sleeve beats the foundation pit enclosure structure of quincunx bored concrete pile
Construction method, it is characterised in that include the following steps：
S1. according to the position of the location determination Double shaft stirring stake group in excavation of foundation pit face, it is then determined that between horizontal Double shaft stirring stake
Away from；
S2. on the basis of excavation of foundation pit face, construct successively Double shaft stirring stake group, horizontal Double shaft stirring stake by approximately principle after first remote,
And be mutually twisted adjacent two rows of longitudinal Double shaft stirring stakes of same Double shaft stirring stake group, make the horizontal Double shaft stirring stake with
Connected longitudinal Double shaft stirring stake is mutually twisted；
S3. determine the position of bored concrete pile, and using the sequence of construction of interval pile, beaten in the Double shaft stirring stake group inner sleeve described
Bored concrete pile, and shift to install the bored concrete pile in two adjacent Double shaft stirring stake groups.
7. construction method as claimed in claim 6, it is characterised in that after step s 3, further include following steps：
S4. levelling construction is carried out at the top of the Double shaft stirring stake group and bored concrete pile, and slot is opened up at the top of the bored concrete pile,
Then casting concrete, formation are beared down on one concrete layer, and the concrete in slot at the top of the bored concrete pile forms pile cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810034412.5A CN108035362A (en) | 2018-01-15 | 2018-01-15 | Mixing pile inner sleeve beats the foundation pit enclosure structure and construction method of quincunx bored concrete pile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810034412.5A CN108035362A (en) | 2018-01-15 | 2018-01-15 | Mixing pile inner sleeve beats the foundation pit enclosure structure and construction method of quincunx bored concrete pile |
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| CN201810034412.5A Pending CN108035362A (en) | 2018-01-15 | 2018-01-15 | Mixing pile inner sleeve beats the foundation pit enclosure structure and construction method of quincunx bored concrete pile |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109778867A (en) * | 2018-12-28 | 2019-05-21 | 上海建工集团股份有限公司 | A kind of self-supporting Composite Enclosure Structure and its construction method |
| CN110144900A (en) * | 2019-04-30 | 2019-08-20 | 江西中恒地下空间科技有限公司 | A kind of continuous enclosure wall of grating type and its construction method |
| CN110761296A (en) * | 2019-10-31 | 2020-02-07 | 上海水业设计工程有限公司 | Cement-soil enclosure wall-cast-in-place pile cantilever type combined support and construction method thereof |
| CN113389206A (en) * | 2021-07-05 | 2021-09-14 | 中国建筑第八工程局有限公司 | Foundation pit enclosure system and construction method thereof |
| CN113605397A (en) * | 2021-07-14 | 2021-11-05 | 广州市设计院集团有限公司 | Trapezoidal staggered foundation pit supporting mechanism and foundation pit supporting method |
| CN115045152A (en) * | 2022-06-16 | 2022-09-13 | 广州市第二市政工程有限公司 | Construction method of tubular pile and cement mixing pile soft soil roadbed boundary section toughness frame type composite foundation |
| CN115125962A (en) * | 2021-10-30 | 2022-09-30 | 上海宝冶集团有限公司 | Construction method of river-crossing foundation pit support |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778867A (en) * | 2018-12-28 | 2019-05-21 | 上海建工集团股份有限公司 | A kind of self-supporting Composite Enclosure Structure and its construction method |
| CN110144900A (en) * | 2019-04-30 | 2019-08-20 | 江西中恒地下空间科技有限公司 | A kind of continuous enclosure wall of grating type and its construction method |
| CN110761296A (en) * | 2019-10-31 | 2020-02-07 | 上海水业设计工程有限公司 | Cement-soil enclosure wall-cast-in-place pile cantilever type combined support and construction method thereof |
| CN113389206A (en) * | 2021-07-05 | 2021-09-14 | 中国建筑第八工程局有限公司 | Foundation pit enclosure system and construction method thereof |
| CN113605397A (en) * | 2021-07-14 | 2021-11-05 | 广州市设计院集团有限公司 | Trapezoidal staggered foundation pit supporting mechanism and foundation pit supporting method |
| CN115125962A (en) * | 2021-10-30 | 2022-09-30 | 上海宝冶集团有限公司 | Construction method of river-crossing foundation pit support |
| CN115045152A (en) * | 2022-06-16 | 2022-09-13 | 广州市第二市政工程有限公司 | Construction method of tubular pile and cement mixing pile soft soil roadbed boundary section toughness frame type composite foundation |
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Application publication date: 20180515 |