CN107366290A - Foundation pit supporting method and raked pile - Google Patents
Foundation pit supporting method and raked pile Download PDFInfo
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- CN107366290A CN107366290A CN201710625248.0A CN201710625248A CN107366290A CN 107366290 A CN107366290 A CN 107366290A CN 201710625248 A CN201710625248 A CN 201710625248A CN 107366290 A CN107366290 A CN 107366290A
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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
- 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
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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)
- Piles And Underground Anchors (AREA)
Abstract
The invention provides a kind of foundation pit supporting method and raked pile.This method includes：Multiple support piles, the first Guan Liang, the second Guan Liang and the first coupling beam are provided, make a portion support pile the first Guan Liang is fixedly connected with the stake tail of the part support pile to enter the soil body in the first inclination angle with gravity along foundation ditch edge；And make another part support pile along outside foundation ditch edge to enter the soil body in the second inclination angle with gravity, and the second Guan Liang is fixedly connected with the stake afterbody of another part support pile；And the first coupling beam is set to be fixedly connected respectively with first Guan Liang and second Guan Liang.Above-mentioned foundation pit supporting method, as a result of double support pile, pattern foundation pit supporting structure effect can be improved, there is preferable application prospect.
Description
Technical field
The present invention relates to the method and raked pile of building foundation pit technical field, more particularly to a kind of pattern foundation pit supporting structure.
Background technology
Row of piles supporting is one of widest pattern foundation pit supporting structure form of current domestic application.Row of piles structure and diaphram wall phase
Than having many advantages, such as construction technology is simple, cost is low, horizontal layout is flexible.Spaced pile row retaining structure is applied to
Without underground water or allow the situation for cheating outer precipitation, continuous wall side by side is formed when setting water-stop curtain or with other hybrid stakes
When, it can also be used to weak aquifer water-bearing stratum.
Currently used campshed is Vertical Pile, and it has shortcomings when carrying out pattern foundation pit supporting structure, have impact on campshed
Using.First, the displacement at pile top of identical cutting depth is big, and internal force is big, and ground produces moderate finite deformation after making stake, jeopardizes ring around
Border.Secondly, easily cause slope protection pile to fracture when the insufficient strength of stake and make instability of foundation pit.Again, base is made using vertical campshed
It is smaller to cheat the depth that may be excavated, when cutting depth is larger, campshed is easy to that overturning occurs, therefore supporting construction needs
More heavy in section and insertion depth.
The content of the invention
In view of the foregoing, the invention provides a kind of foundation pit supporting method and raked pile, base can be preferably applied to
Cheat supporting.
One aspect of the present invention provides a kind of foundation pit supporting method, including：First support pile, the second supporting are provided
Stake, the 3rd support pile, the 4th support pile, the first Guan Liang, the second Guan Liang and the first coupling beam；Wherein described first support pile includes
First pile crown portion, first afterbody and the first pile body portion for connecting the first pile crown portion and first afterbody, described the
Two support piles include second of the second pile crown portion, second afterbody and connection the second pile crown portion and second afterbody
Body portion, the 3rd support pile include prism of third order head, prism of third order afterbody and connect the prism of third order head and the prism of third order
The prism of third order body portion of afterbody, the 4th support pile include the 4th pile crown portion, the 4th afterbody and connection the 4th pile crown portion
With the 4th pile body portion of the 4th afterbody；Make at the first position at the edge of foundation ditch to be dug the first pile body portion with
Gravity direction enters the soil body in the first inclination angle, wherein the first pile crown portion reaches stake bottom precalculated position；On the side of foundation ditch to be dug
The second place on edge makes the second pile body portion to enter the soil body in the second inclination angle with gravity direction, wherein second pile crown
Portion reaches stake bottom precalculated position；The first direction of the first position and the second place along foundation ditch edge to be dug arranges；Make
First Guan Liang is fixedly connected with first afterbody and second afterbody respectively, and first Guan Liang is away from base
On the inside of the collateral support group hole edge at hole center；The 3rd opening position on the outside of the edge of foundation ditch to be dug make the prism of third order body portion with
Enter the soil body in the 3rd inclination angle with gravity direction, wherein the prism of third order head reaches stake bottom precalculated position；In foundation ditch to be dug
The 4th opening position on the outside of edge makes the 4th pile body portion to enter the soil body in the 4th inclination angle with gravity direction, wherein described
Four pile crown portions reach stake bottom precalculated position；Second Guan Liang is set to consolidate respectively with the prism of third order afterbody and the 4th afterbody
Fixed connection；And make first coupling beam along the second direction for being different from the first direction be fixedly connected first Guan Liang and
Second Guan Liang.
In one embodiment, the first pile crown portion, the second pile crown portion tilt to foundation ditch inner side, and the described 3rd
Pile crown portion and the 4th pile crown portion tilt to foundation ditch outside.
In one embodiment, first inclination angle and second inclination angle are in the range of 0-30 °.
In one embodiment, the 3rd inclination angle and the 4th inclination angle are in the range of 0-30 °.
In one embodiment, the 3rd inclination angle and the 4th inclination angle are in the range of 10-20 °.
In one embodiment, first inclination angle and second inclination angle are in the range of 25-30 °.
In one embodiment, first support pile and second support pile are vertical with gravity direction, and the described 3rd
The pile crown portion of support pile and the 4th support pile tilts to foundation ditch inner side.
In one embodiment, the 3rd inclination angle and the 4th inclination angle are in the range of 0-30 °.
In one embodiment, the 3rd inclination angle and the 4th inclination angle are in the range of 10-25 °.
In one embodiment, the pile crown portion of first support pile and second support pile tilts to foundation ditch inner side,
3rd support pile and the 4th support pile are vertical with gravity direction.
In one embodiment, first inclination angle and second inclination angle are in the range of 0-30 °.
In one embodiment, first inclination angle and second inclination angle are in the range of 20-30 °.
In one embodiment, first coupling beam is made to connect along the second direction for being different from the first direction is fixed respectively
Connecing first Guan Liang and second Guan Liang also includes：The both ends of first coupling beam are made to be respectively fixedly connected with described first
Stake afterbody is in the fixed connection place of first Guan Liang and the prism of third order afterbody in the fixed connection place of second Guan Liang.
In one embodiment, foundation pit supporting method also includes providing the second coupling beam, and makes institute in the second direction
The both ends for stating the second coupling beam are respectively fixedly connected with first Guan Liang and second Guan Liang.
In one embodiment, foundation pit supporting method also includes providing the 3rd coupling beam, and different from the second party
To third direction the both ends of the 3rd coupling beam is respectively fixedly connected with first Guan Liang and second Guan Liang.
In one embodiment, the 3rd coupling beam is intersected with first coupling beam and/or second coupling beam.
Another aspect of the present invention provides a kind of raked pile, including：First support pile, the second support pile, the 3rd
Fender pile, the 4th support pile, the first coupling beam, the first Guan Liang and the second Guan Liang；Wherein described first support pile include the first pile crown portion,
First afterbody and connection the first pile crown portion and the first pile body portion of the stake afterbody, second support pile include second
Pile crown portion, second afterbody and connection the second pile crown portion and the second pile body portion of second afterbody, first hat
Beam includes the spaced first connecting portion of first direction and second connecting portion along its length；3rd support pile includes the
Three pile crown portions, prism of third order afterbody and the connection prism of third order head and the prism of third order body portion of the prism of third order afterbody, the described 4th
Support pile includes the 4th pile crown portion, the 4th afterbody and the 4th pile body for connecting the 4th pile crown portion and the 4th afterbody
Portion；Second Guan Liang includes spaced 3rd connecting portion and the 4th connecting portion along its length；First afterbody and
Second afterbody is fixedly connected with the first connecting portion and the second connecting portion respectively；The first pile crown portion and institute
The second pile crown portion is stated to stretch out to the direction away from first Guan Liang respectively；The prism of third order afterbody and the 4th portion
It is not fixedly connected with the 3rd connecting portion and the 4th connecting portion；The prism of third order head and the 4th pile crown portion difference
Stretched out to away from second Guan Liang and the direction consistent with the first pile crown portion and the second pile crown portion；Described first connects
Beam is fixedly connected in the second direction different from the first direction with first Guan Liang and second Guan Liang.
In one embodiment, first support pile and the 3rd support pile are positioned opposite to each other, wherein described
One pile crown portion with the prism of third order head away from each other and first afterbody and the prism of third order afterbody are close to each other.
In one embodiment, second support pile and the 4th support pile are positioned opposite to each other, wherein described
Two pile crown portions with the 4th pile crown portion away from each other and second afterbody and the 4th afterbody are close to each other.
In one embodiment, the angle of first support pile and the 3rd support pile is in the range of 0-60 °.
In one embodiment, the angle of first support pile and the 3rd support pile is in the range of 30-60 °.
In certain embodiments, the distance between the first connecting portion and the second connecting portion are first supporting
Stake or 2-2.5 times of the second support pile stake footpath.
In one embodiment, the stake footpath of first support pile and second support pile is 300mm-600mm.
In one embodiment, in addition to respectively second be fixedly connected with first Guan Liang and second Guan Liang connects
Beam.
In one embodiment, first coupling beam is parallel with second coupling beam.
In one embodiment, the cross section of first Guan Liang is square, and its length of side is more than support pile cross section
Full-size.
In one embodiment, the length of side of the cross section of first Guan Liang is the maximum sized 2-3 in support pile cross section
Times.
Using the foundation pit supporting method or raked pile of the present invention, pattern foundation pit supporting structure effect can be improved.Such as can be more preferable
Suitable for soft clay area ultra-deep, the supporting of super foundation.
Brief description of the drawings
From the detailed description to the embodiment of the present invention below in conjunction with the accompanying drawings, of the invention these and/or other side and
Advantage will become clearer and be easier to understand, wherein：
Fig. 1 is the schematic diagram of foundation pit supporting method；
Fig. 2 is foundation pit supporting method schematic diagram provided in an embodiment of the present invention；
Fig. 3 is the structural representation of support pile；
Fig. 4 is the schematic diagram of another embodiment of the present invention provider's pattern foundation pit supporting structure；
Fig. 5 is a kind of structural representation of double raked pile provided in an embodiment of the present invention；
Fig. 6 is a kind of structural representation for double raked pile that another embodiment of the present invention provides.
Embodiment
In order that those skilled in the art more fully understand the present invention, with reference to the accompanying drawings and detailed description to this hair
It is bright to be described in further detail.
Before excavation pit, it usually needs supporting is carried out to foundation ditch using support pile, for example to avoid foundation ditch that side occurs
Cave in, influence the construction of foundation ditch.Fig. 1 is a kind of schematic diagram of conventional foundation pit supporting method.Referring to Fig. 1, supporting pile structure bag
Three vertical support piles 1 are included, for example, the support pile 1 of this three signals can enter the soil body by the way of being pressed into one by one.Figure
Middle support pile 1 gos deep into bottom of foundation ditch below 3, to obtain higher support strength.For example, support pile 1 is located under bottom of foundation ditch
Part account for 1 times -3 times of the length of support pile 1, to ensure effective support to foundation ditch.Support pile 1 (is being illustrated three in figure
Root) for example be pressed into the soil body after, Guan Liang 2 can be fixedly connected with the outside of three support piles 1.For example may be used the side of the Guan Liang 2
To support foundation ditch side.
One aspect of the present invention provides a kind of foundation pit supporting method.Fig. 2 show the branch using the embodiment of the present invention
Maintaining method carries out the schematic diagram of pattern foundation pit supporting structure, and Fig. 3 is the supporting pile structure schematic diagram of the embodiment of the present invention.Referring to Fig. 2 and Fig. 3,
The foundation pit supporting method includes：
There is provided the first supporting 4, the second support pile 5, the 3rd support pile, the 4th support pile, the first Guan Liang 6, the second Guan Liang and
Connect the first coupling beam 10 of the first Guan Liang 6 and the second Guan Liang 9.Wherein the first support pile 4 includes 41, first, the first pile crown portion tail
Portion 42 and the first pile crown portion 41 of connection and the first pile body portion 43 of first afterbody 42.Second support pile 5 includes the second pile crown portion
51st, second afterbody 52 and the second pile crown portion 51 of connection and the second pile body portion 53 of second afterbody 52.3rd support pile 7 includes
Prism of third order head 71, prism of third order afterbody 72 and connection prism of third order head 71 and the prism of third order body portion 73 of prism of third order afterbody 72, the 4th
Support pile 8 includes the 4th of the 4th pile crown portion 81, the 4th afterbody 82 and the 4th pile crown portion 81 of connection and the 4th afterbody 82
Body portion 83.
Make the first pile body portion 43 at the first position at the edge of foundation ditch to be dug to enter with gravity direction in the first inclination angle
The soil body, wherein the first pile crown portion 41 reaches stake bottom precalculated position；Make the second pile body in the second place at the edge of foundation ditch to be dug
Portion 53 in the second inclination angle with gravity direction to enter the soil body, wherein the second pile crown portion 51 reaches stake bottom precalculated position.First position
Arranged with first direction of the second place along foundation ditch edge to be dug, i.e., first position and the second place are located at foundation ditch edge.In addition,
This method also needs to make the first Guan Liang 6 be fixedly connected with first afterbody 42 and second afterbody 52 respectively, and the first Guan Liang 6 is remote
On the inside of the collateral support group hole edge at foundation ditch center.
Similarly, the 3rd opening position on the outside of the edge of foundation ditch to be dug make prism of third order body portion 73 with gravity direction in the
Three inclination angles enter the soil body, and wherein prism of third order head 71 reaches stake bottom precalculated position；The 4th on the outside of the edge of foundation ditch to be dug
The place of putting makes the 4th pile body portion 83 to enter the soil body in the 4th inclination angle with gravity direction, makes a reservation for wherein the 4th pile crown portion 81 reaches stake bottom
Position；Second Guan Liang 9 is set to be fixedly connected respectively with the prism of third order afterbody 72 and the 4th afterbody 82；And make
One coupling beam 10 is fixedly connected with the first Guan Liang 6 and the second Guan Liang 9 along the second direction different from the first direction.It is double by setting
Guan Liang and support pile are arranged, can further improve pattern foundation pit supporting structure effect, assigns the bigger supporting intensity of foundation ditch.
It is to be understood that first position and the second place are located at foundation ditch edge, the 3rd position and the 3rd position are located at base
Cheat on the outside of edge.It is that is, farther relative to first position and the second place, the 3rd position and the 4th positional distance foundation ditch.
For example, the 3rd position can be corresponding with first position, for example, the line of the two can intersect with the axis of foundation ditch.Equally,
Four positions are left as that can correspond to the second place, for example, the line of the two can intersect with the axis of foundation ditch.Set by this
Mode is put, the uniform force of foundation ditch can be improved, so as to preferably avoid foundation pit collapse.Foundation ditch bottom is illustrated in Fig. 2
The soil body 32 on the outside of portion 31 and foundation ditch.
In addition, for above-mentioned Double-row-piles Structure, for example, the first Guan Liang 6 can be arranged in parallel with the second Guan Liang 9.For example, the
One coupling beam 10 can be vertical with the first Guan Liang 6 and the second Guan Liang 9.In certain embodiments, for example, can be in the He of the first Guan Liang 6
Multiple coupling beams are set between second Guan Liang 9.These coupling beams can be set parallel to each other, for example, it is also possible to set parallel with these
The coupling beam that intersects of coupling beam.Specifically, for example, having 3 coupling beams parallel to each other between the first Guan Liang 6 and the second Guan Liang 9
And diagonally (diagonal for the rectangle that two coupling beams being parallel to each other positioned at outside are formed with two Guan Liangs) inclination is set
Two coupling beams put, for example, the intersection point of this two coupling beams being obliquely installed is at the center of rectangle.By setting parallel company simultaneously
Beam and ground coupling beam is obliquely installed, and then makes foundation pit supporting construction more stable on the whole, so as to preferably avoid foundation pit collapse.Separately
Outside, the fixation that the fixed connection point of the first coupling beam 10 and the first Guan Liang 6 can substantially in first afterbody 42 in the first Guan Liang 6
Position, and the fixed connection point of the first coupling beam 10 and the second Guan Liang 9 can be substantially in prism of third order afterbody 72 in the second Guan Liang 9
Fixed position.That is fixing point of the fixing point substantially with support pile in Guan Liang of the first coupling beam 10 and the second coupling beam 11 in Guan Liang
It is identical., can be with accelerating construction progress by selecting coupling beam in the fixing point of Guan Liang, and coupling beam, support pile and Guan Liang can be made
It is fitted to each other, improves pattern foundation pit supporting structure intensity.
With continued reference to Fig. 2, in one embodiment, for example, being fixed on the pile crown portion of the first support pile 4 of the first Guan Liang 6
41 and second the pile crown portion 51 of support pile 5 can be tilted on the inside of foundation ditch, be fixed on the stake of the 3rd support pile 7 of the second Guan Liang 9
The pile crown portion 71 of the support pile 8 of head 71 and the 4th can be to inclination on the outside of foundation ditch.Further, the first inclination angle and the second inclination angle can
, further can be in the range of 25-30 ° with the range of 0-30 °；3rd inclination angle and the 4th inclination angle can be at 0-30 °
In the range of, further can be in the range of 10-20 °.By making different Guan Liangs and support pile fixed thereon to different directions
Tilt, the stability of supporting construction can be improved.In addition, by making the angle of inclination to inclined support pile on the outside of foundation ditch smaller
In to inclined support pile on the inside of foundation ditch, difficulty of construction can be reduced, and can further improve the supporting intensity to foundation ditch.
Referring to Fig. 4, in one embodiment, for example, being fixed on the first support pile 4 and the second support pile 5 of the first Guan Liang 6
Can be identical with gravity direction, it is fixed on the pile crown of the support pile 8 of pile crown portion 71 and the 4th of the 3rd support pile 7 of the second Guan Liang 9
Portion 71 can tilt to inclination on the inside of foundation ditch, namely to the first support pile 4 and the second support pile 5.For example, the 3rd support pile 7
The pile crown portion 81 of the support pile 8 of pile crown portion 71 and the 4th can be with the pile crown portion of support pile 5 and support pile 4 substantially in a plane
It is interior.Further, the 3rd inclination angle and the 4th inclination angle for example can be in the range of 0-30 °, further can be in 10-20 ° of model
In enclosing.By making support pile fixed in the first Guan Liang 6 perpendicular to the soil body, and make the pile crown of the support pile of the second Guan Liang 9 fixation
Portion can preferably adapt to the construction environment of complexity, be easy to the excavation of larger-sized foundation ditch to inclination on the inside of foundation ditch.
In addition, in some embodiments of the invention or support pile that two Guan Liangs are fixed is each perpendicular to the soil body, or
The pile crown portion for the support pile that person fixes close to the Guan Liang of foundation ditch tilts to foundation ditch inner side, while the company of fixation in the Guan Liang away from foundation ditch
The support pile connect is perpendicular to the soil body.By changing the angled manner of different row's support piles, construction cost can be reduced, and can be more preferable
Adaptation pattern foundation pit supporting structure environment.
It should be noted that above-mentioned support pile can enter the corresponding soil body by the way of press-in.Specifically, for example,
After above-mentioned first position press-in prefabricated pile, the distance that can be spaced such as 1-2 piles is pressed into next prefabricated pile.The number of support pile
Amount can determine that the present invention is without limitation according to size, piling condition, soil layer construction of foundation ditch etc..
In concrete operations, pattern foundation pit supporting structure can be implemented as follows：
(1) measurement and positioning, the pushed position of support pile is determined.
In this step, support pile should be pressed into margin of foundation pit position according to the actual size of foundation ditch, to excavate
During foundation ditch, support pile can effectively be supported to the foundation ditch side soil body, prevent from causing the soil body of foundation ditch side to cave in.
(2) it is pile press machine is in place, leveling.
In this step, pile press machine is made to reach precalculated position, so as to the stable application pressure of support pile, Jin Ergeng
Good guarantee support pile stabilization enters the soil body.
(3) hang stake and feed stake.
Specifically, in this step, pile press machine can sling support pile, such as support pile can be preset in soil layer table
Face, such as support pile can also be entered to a soil body part, complete the initial setting up of support pile.
(4) pile body portion centering straightening.
In this step, such as by support pile precalculated position is navigated to, and position error can be less than 20mm, to ensure to prop up
Fender pile effectively supports foundation ditch.In practical operation, in order to accelerate speed of application, support pile to be pressed all can be navigated to first
Precalculated position, the soil body is pressed into subsequent step, then by these oriented support piles.For example, it is also possible to one is operated every time
Or several support piles, it can be determined according to construction site and condition.Illustrated below exemplified by operating a pile every time.
For example, the stake spacing of adjacent two pile can take 2-2.5 in foundation pit supporting method provided in an embodiment of the present invention
Times stake footpath.The deep angle of inclination of stake can be 0-30 °, and further, the angle of inclination of pile body (equivalent to pile body portion) can be
10-25°.For example, the angle of inclination of piles with different can be with identical or different, and the incline direction of piles with different can be different.
In some embodiments of the invention, the pile crown portion of the support pile of same row's (support pile for being fixed on same Guan Liang)
The fore-end of the soil body (enter) for example tilts both facing on the inside or outside of foundation ditch, i.e., these incline direction it is identical.For example,
Fig. 2 is that the pile crown portion 41,51 for illustrating all support piles close to foundation ditch tilts to foundation ditch inner side, all away from foundation ditch
The pile crown portion 71,72 of fender pile is to inclination on the outside of foundation ditch.So as to simplify difficulty of construction, construction cost is reduced, while makes periphery native
Body stress is consistent, improves supporting effect.Further, the difference at the angle of inclination of the stake of same row is arranged at for example within 5 °,
For example, the angle of inclination of these support piles is completely the same, to ensure support pile even support foundation ditch, the supporting of part stake is avoided to imitate
Fruit is poor and causes the situation of foundation pit collapse.
In some other embodiments of the present invention, vertically disposed support pile can also be included.Fig. 4 illustrates support pile
4,5 pile crown portion tilts to perpendicular to the pile crown portion of the soil body, support pile 7,8 to foundation ditch inner side.By setting stake spacing, adjustment not
With the incline direction and angle of stake, construction environment can be preferably applicable, improves supporting effect.
Preferably, in some method for protecting support, for example, the support pile of same row can include vertical support pile simultaneously,
And to inclined support pile inside and outside foundation ditch.In addition, these are tilted and vertical support pile can be arranged with certain rule.
For example, the pile crown portion of first support pile is vertical towards inclination on the inside of foundation ditch, the pile crown portion of adjacent thereto second support pile
Into the soil body, and the adjacent with second support pile the 3rd tilts with the pile crown portion of support pile towards on the outside of foundation ditch, the 4th
The pile crown portion of support pile tilts towards on the inside of foundation ditch, the pile crown portion of the adjacent thereto the 5th support pile vertically into the soil body, and
And sixth adjacent with the 5th support pile tilts with the pile crown portion of support pile towards foundation ditch outside, and set by this rule with this
More root support piles.In addition, the support pile of the three kinds of modes set in same row's support pile can also be by different from said sequence
Arrangement mode arrangement, will not be described here.By tilting support pile using to different directions simultaneously, and it is allowed to according to certain rules
Set gradually, such as can be more uniformly stressed the soil body 32 of margin of foundation pit, supporting effect is more preferable, and whole raked pile is as whole
Body also will more be stablized.
In the above-described embodiments, i.e., can be with the case of same row's support pile simultaneously support pile including three kinds of modes
The angle of inclination of three kinds of support piles is further set.Pile crown portion can be to the angle of inclination of inclined support pile on the inside of foundation ditch
In the range of 10-30 °, pile crown portion can be in the range of 5-25 ° to the angle of inclination of inclined support pile on the outside of foundation ditch.Pass through
Inclination angle to the angle of inclination of inclined support pile on the outside of foundation ditch and to inclined support pile on the inside of foundation ditch is further set
Degree, pattern foundation pit supporting structure effect can be improved on the basis of difficulty of construction is reduced.
(5) piling.
Push every time, for example, stake is goed deep into soil may be about 1.5~2.0m.Then pine folder, rise, then press, then press from both sides.Such as
This is repeated, by a section stake pressure.When a section stake is depressed into away from 80~100cm of ground, pile extension can be carried out or be put into Pile feeder,
Stake is depressed into designed elevation.Stake bottom depth for example can be 2~2.5 times of excavation of foundation pit depth.
(6) pile extension
In certain embodiments, pile extension operation can be carried out in a welding manner.First corner is spot welded during welding and fixed, so
After be symmetrically welded.Weld seam should ensure that quality and design size.
(7) pile follower
The pile follower operation of static pressed pile can be carried out using the special Pile feeder (such as iron bag concrete) of in-situ precast.Pile follower
In operation, stake can be pushed always, untill final pressure control condition is met by the stake top absolute altitude of piling.
(8) piling is terminated
(9) it is pressed into next pile
It can use and jump pile construction method, 1~2 pile of interval is pressed into next prefabricated pile, repeats the above steps, until will
All piles are pressed into the soil body.
It should be noted that under normal circumstances, while campshed construction is tilted, such as water seal curtain can also be carried out
Construction.Construction location lateral extent about outside foundation ditch side is tilted at the stake afterbody 0.5-1m of campshed, (the i.e. construction location of water seal curtain
Position outside support pile is away from foundation ditch), and the absolute altitude at the mixing pile stake bottom of water seal curtain is identical with raked pile stake bottom absolute altitude.
In certain embodiments, for example, the construction procedure of water seal curtain can be carried out as follows：
1st, position：Deep mixer, which reaches, refers to fixed pile, centering.
2nd, sinking is stirred in advance：After the cooling water circulation of deep mixer is normal, starts mixer motor, loosen mixer and hang
Rope makes mixer cut native sinking along leading truck stirring.
3rd, cement mortar is prepared：When deep mixer sinks to certain depth, that is, start to stir by the match ratio that design determines
Cement mortar is mixed, pours into cement mortar in aggregate bin before treating mud jacking.
4th, lifting whitewashing stirring：After deep mixer sinks to projected depth, open slurry pump and cement mortar is pressed into ground
In, and while whitewashing, while rotate, while in strict accordance with design determine lifting speed lifting deep mixer.
5th, upper and lower stirring is repeated：When deep mixer is promoted to the top surface absolute altitude of projected depth, the cement mortar in aggregate bin
Should just it empty.To make weak soil and cement mortar stir, mixer can be sunk in soil in rotation again, to design reinforcement
Mixer is being lifted out ground after depth.
6th, clean：Cement mortar remaining in whole pipelines is cleaned, and the weak soil for being adhered to stirring-head is cleaned up.
7th, shift：Deep mixer is moved into next position, repeated the above steps.
By setting water seal curtain to each support pile, it can be ensured that support pile reliably works, in strengthening supporting stake intensity
While, the infiltration phenomenon that may occur during excavation pit can be avoided.
It is pointed out that under normal circumstances, the construction of the every support pile property entered water seal curtain respectively can be directed to.Example
Such as, can be after support pile is all pressed into the soil body, uniformly the property entered water seal curtain is constructed, to improve efficiency of construction.But also may be used
Be it is every press-in a piece support pile after, that is, the property entered water seal curtain construct, the invention is not limited in this regard.
In some embodiments of the invention, such as Guan Liang construction can be carried out after the construction of water seal curtain is completed.Guan Liang
Construction can be carried out as follows：
1st, the Guan Liang earthwork is excavated using mechanical subregion, such as is first excavated the first layer earthwork to support pile and designed stake top (before i.e.
Stake afterbody described in text) elevation location, start to abolish a laitance to designed elevation after soil more than removing.The concrete of stake core top surface will
Dabbing processing, removes stake top scum silica frost.As designed elevation pile crown concrete strength does not reach design requirement, must continue to abolish until concrete quality
Reach design requirement, together pouring molding during insufficient absolute altitude section Guan Liang concrete.
2nd, inter-pile soil for example manually leveling to hat bottom elevation, and ram tamp it is closely knit.
3rd, reinforcement fabrication can be carried out by Guan Liang section arrangement of reinforcement after stake tail end is abolished.Steel Reinforcing Bar Material, colligation error ensure full
Sufficient design and construction code requirement.The binding site poured to Guan Liang segmentation for example can be with reserved steel bar.
4th, to Guan Liang absolute altitude check simultaneously installation form.Must ensure during template support form stable, firmly, to prevent pouring
Template deformation during concrete.Template sectional dimension is made by Guan Liang section.
5th, reinforced bar engineering is completed.Vertical muscle should use preferably with HRB335 levels or HRB400 level reinforcing bars, stirrup and tension rib
HPB300 levels and HRB335 level reinforcing bars.Lateral longitudinal muscle diameter is no less than 20mm, and spacing not should be greater than 200mm；Top bottom surface indulges muscle
Diameter is no less than 20mm, and spacing not should be greater than 300mm；Stirrup diameter is no less than 8mm, and spacing not should be greater than 250mm；Drawknot
Muscle diameter should use 6~12mm, and spacing not should be greater than 500mm.
6th, concreting and maintenance are completed.Strength grade of concrete is not lower than C25, and campshed cage bar anchors into Guan Liang and should not
Less than 35d (d is bar diameter).
Embodiments of the invention give water seal curtain and the set-up mode of Guan Liang, but the present invention is not intended to limit water proof
The form of construction work of curtain and Guan Liang, those skilled in the art can use other forms of construction work or above-mentioned form of construction work carried out
Improve, to obtain more preferable construction effect.
In the practical operation of pattern foundation pit supporting structure, it can be selected according to situations such as the soil layer feature residing for foundation ditch, surrounding enviroment
Appropriate pattern foundation pit supporting structure mode.Support pile is briefly introduced several support patterns of foundation ditch below, but is not intended to limit
The system present invention.
1st, cantilever pile supporting.When excavation of foundation pit is shallower, geological conditions is preferable, environmental requirement (especially deformation requirements) is not high
When, cantilever pile support form can be used.After cantilever pile pile strength reaches regulation requirement, it is possible to carry out opening for soil layer
Dig.
2nd, Internal-shoring Supporting.When excavation of foundation pit area is larger, ground is weak, environmental requirement is high, inner bearing type can be used
Supporting.Pit earthwork is excavated to the base surface at first of reinforced concrete brace bottom first, then chisels supporting construction
With the joint face of purlin, and reinforced concrete support cushion construction is carried out, subsequent colligation spacer bar, prop up vertical side template, complete
After-pouring concrete is simultaneously conserved, and form removal and cleaning work are carried out when concrete strength reaches regulation.
3rd, anchor formula supporting is drawn.When foundation ditch soil layer condition is preferable, reaches and draw anchor condition, and when surrounding enviroment are less demanding,
It can use and draw anchor formula supporting.When foundation ditch soil layer first is excavated at first of anchor pole center line certain depth below, machine is utilized
Tool drills, and makes anchor pole according to the rules and inserts and send rod member, then carries out slip casting and form anchoring section, finally when anchoring body reaches certain
Tensioning and locking are carried out after intensity.
It may be noted that for the foundation ditch of stage excavation, for example, different campshed support forms can be directed to, repeat above-mentioned
Step carries out construction until being excavated to the bottom of foundation ditch.After foundation ditch is dug, such as Foundation Pit bottom can be cleared up, be whole
It is flat, and carry out subsequent work.
One aspect of the present invention provides a kind of inclination pilework.When this raked pile is for example mainly used in foundation ditch excavation
Soil body support, be particularly used to place the foundation ditch side soil body and cave in.Fig. 5 is the raked pile structural support of the embodiment of the present invention
Schematic diagram during foundation ditch.Referring to Fig. 5, the inclination pilework includes：First support pile 4, the second support pile 5, the 3rd support pile 7,
4th support pile 8, the first Guan Liang 6, the second Guan Liang 9 and the first coupling beam 10；Wherein the first support pile 4 include the first pile crown portion 41,
First afterbody 42 and the first pile crown portion 41 of connection and the first pile body portion 43 of first afterbody 42, the second support pile 5 include the
Two 51, second, pile crown portion afterbodys 52 and the second pile crown portion 51 of connection and the second pile body portion 53 of second afterbody 52, the first hat
Beam 6 includes the spaced first connecting portion of first direction and second connecting portion along its length；3rd support pile 7 includes the 3rd
Pile crown portion 72, prism of third order afterbody 73 and connection prism of third order head 71 and the prism of third order body portion 73 of prism of third order afterbody 72, the 4th supporting
Stake 8 includes the 4th pile crown portion 81, the 4th afterbody 82 and the 4th pile crown portion 81 of connection and the 4th pile body portion of the 4th afterbody 82
83。
Second Guan Liang 9 includes spaced 3rd connecting portion and the 4th connecting portion along its length.First He of afterbody 42
Second afterbody 52 is fixedly connected with first connecting portion and second connecting portion respectively；First pile crown portion 41 and the second pile crown portion 51 divide
Do not stretched out to the direction away from the first Guan Liang 6；Prism of third order afterbody 72 and the 4th afterbody 82 respectively with the 3rd connecting portion and the 4th
Connecting portion is fixedly connected；The pile crown portion 81 of prism of third order head 71 and the 4th respectively to away from the second Guan Liang 6 and with the first pile crown portion 41
The direction consistent with the second pile crown portion 51 is stretched out.First coupling beam 10 is in the second direction different from first direction and the first Guan Liang 6
It is fixedly connected with the second Guan Liang 9.It by using double support pile, can further improve supporting effect, improve supporting intensity.
As shown in figure 5, the branch that the supporting pile head portion that the first Guan Liang 6 is fixedly connected is fixedly connected with the second Guan Liang 9
The pile crown portion of fender pile can away from each other, while the stake afterbody of support pile that is fixedly connected of the first Guan Liang 6 and the institute of the second Guan Liang 9
The stake afterbody for the support pile being fixedly connected can be with close to each other.When carrying out pattern foundation pit supporting structure using such raked pile, will can incline
Taper pile is pressed into the soil body, and makes the first Guan Liang 6 and the support pile fixed close to foundation ditch edge, meanwhile, the second Guan Liang 9 and fix
The support pile of connection is arranged on the outside of foundation ditch.Because two row's support piles tilt to both direction respectively, so as to further carry
Its high supporting intensity to foundation ditch.Inclination pilework provided in an embodiment of the present invention obliquely (such as can roll into foundation ditch
Tiltedly) supporting foundation pit, and support strength is big, stability is good, so as to effectively avoid foundation ditch from caving in.
With continued reference to Fig. 5, for example, the 3rd support pile 7 and the 4th support pile 8 divide with the first support pile 4 and the second support pile 5
It is not oppositely arranged.Specifically, the 3rd support pile 7 is oppositely arranged with the first support pile 4, for example, in the inclination of the embodiment of the present invention
Stake is in use, the pile crown portion of the 3rd support pile 7 tilts to inclination on the outside of foundation ditch, the pile crown portion of the first support pile 4 to foundation ditch inner side.
For example, the angle of inclination of the 3rd support pile 7 and the first support pile 4 can be with identical.For example, angle of inclination is in 0-30 ° of scope
It is interior.For example, the angle of inclination of the first support pile, between 20-30 °, the angle of inclination of the 3rd support pile is between 10-20 °.Together
Sample, the 4th support pile 8 are oppositely arranged with the second support pile 5, for example, when the raked pile is used for supporting foundation pit, the 4th support pile 8
Pile crown portion tilted on the outside of foundation ditch, the pile crown portion of the second support pile 5 is to tilting on the inside of foundation ditch.For example, the 4th support pile 8 and
The angle of inclination of two support piles 5 can be with identical.For example, angle of inclination is in the range of 0-30 °.For example, the second support pile
Angle of inclination is between 20-30 °, and the angle of inclination of the 4th support pile is between 10-20 °.In Fig. 4, the second Guan Liang 9 respectively with
3rd support pile 7 is fixedly connected with the stake afterbody of the 4th support pile 8, and the first coupling beam 10 and the second coupling beam 11 connect and first respectively
Guan Liang 6 is fixedly connected with the second Guan Liang 9.As described above, a plurality of coupling beam can be set between the first Guan Liang 6 and the second Guan Liang 9, and
It can make raked pile that there is bigger intensity.By using the support pile of two-row structure, support pile overall structure can be made more
It is firm, so as to more preferable supporting foundation pit.
It should be noted that the position that is fixedly connected of the both ends of the first coupling beam 10 and the first Guan Liang 6 and the second Guan Liang 9 can be with
Fixed connection point respectively with the stake afterbody of the first support pile 4 and the 3rd support pile 7 positioned opposite to each other in Guan Liang is identical.
Equally, the both ends of the second coupling beam 11 can be respectively with setting with the position that is fixedly connected of the first Guan Liang 6 and the second Guan Liang 9 toward each other
Fixed connection point of the stake afterbody of the second support pile 5 put and the 4th support pile 8 in Guan Liang is identical.So as to by connecting fixed
Contact is arranged on roughly the same position, coupling beam, Guan Liang and support pile is fitted to each other, and then can simplify difficulty of construction, carries
High bonding strength.
Fig. 6 is a kind of double inclination pilework provided in an embodiment of the present invention.It is illustrated in Figure 6 double to incline compared with Fig. 5
The main distinction of taper pile is, wherein the pile crown portion of row's support pile is to planar tilt where another row's support pile.For example, second
Support pile is arranged to tilt to first row support pile.Further, the pile crown of the pile crown portion of first row support pile and second row support pile
Portion is generally in same surface, so that two row's support piles can enter the same depth of the soil body, and then more preferable supporting foundation pit.At this
During the actual use of double raked pile, for example, can by first row support pile close to the position of margin of foundation pit it is vertical enter to bury
Body, and second row support pile is obliquely entered the soil body to the pile crown portion of (namely to first row support pile) on the inside of foundation ditch.The branch
Fender pile can preferably be applied to the limited situation of foundation pit construction environment, and have good supporting effect.
In the above-described embodiments, the first Guan Liang for example can be rectangular parallelepiped structure, its height (gravity side during actual use
To size) be not less than 0.6 times of support pile stake footpath, and width is not less than support pile stake footpath.The cross section of first Guan Liang is for example
Can be square, and the both sides of the first Guan Liang in the width direction are at least the first Guan Liang beyond the length of support pile
The 1/2 of the cross section length of side.Pass through the shape of the first Guan Liang of setting and the correspondingly-sized relation with support pile, it can be ensured that raked pile
Stability Analysis of Structures, so as to more preferable supporting foundation pit.
In other embodiments of the invention, the pile crown portion of support pile for example can be cone shape.For example, along support pile
On length direction, the length of cone for example can be the 1/20-1/10 of supporting pile length, and the cone angle of cone is, for example, 30-45 °.
By the way that pile crown portion is arranged into cone shape, and the length and cone angle size of cone are set, can make support pile it is easier enter
Enter the soil body, while pile crown portion can be avoided to be damaged.
Preferably, annular groove can be set close to the position of cone afterbody around pile body portion, the depth of groove is, for example, stake footpath
1/25-1/30, the width of groove for example can be 1-2cm., can be with by setting annular groove close to the position of cone in pile body portion
Support pile is set to be engaged each other with the soil body of contact after entering the soil body, so as to further improve the stability of support pile.
In one embodiment, the cross section of support pile for example can with Ω shapes, so as to so that support pile it is easier enter
Enter the soil body, and its interaction force with the soil body can be increased, and then improve pattern foundation pit supporting structure effect.
In one embodiment, the cross section of support pile can be trapezoidal.For example, trapezoidal bond length is the 1/ of long side
2-1/4, so as to both support pile be made to be readily pressed into the soil body, the active force of the support pile and the soil body into the soil body can be made again
It is stronger, so as to improve the stability to pattern foundation pit supporting structure.
Above example can be combined with each other, and have more preferable effect.
It is described above various embodiments of the present invention, described above is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.In the case of without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes will be apparent from for the those of ordinary skill in art field.Therefore, protection scope of the present invention should
It should be defined by scope of the claims.
Claims (10)
- A kind of 1. foundation pit supporting method, it is characterised in that including：First support pile, the second support pile, the 3rd support pile, the 4th support pile, the first Guan Liang, the second Guan Liang and first are provided Coupling beam；Wherein described first support pile includes the first pile crown portion, first afterbody and connection the first pile crown portion and described first First pile body portion of stake afterbody, second support pile include the second pile crown portion, second afterbody and connection second pile crown Portion and the second pile body portion of second afterbody, the 3rd support pile include prism of third order head, prism of third order afterbody and connection The prism of third order head and the prism of third order body portion of the prism of third order afterbody, the 4th support pile include the 4th pile crown portion, the 4th Stake afterbody and connection the 4th pile crown portion and the 4th pile body portion of the 4th afterbody；Make the first pile body portion at the first position at the edge of foundation ditch to be dug to enter to bury in the first inclination angle with gravity direction Body, wherein the first pile crown portion reaches stake bottom precalculated position；Make described second in the second place at the edge of foundation ditch to be dug Pile body portion in the second inclination angle with gravity direction to enter the soil body, wherein the second pile crown portion reaches stake bottom precalculated position；It is described The first direction of first position and the second place along foundation ditch edge to be dug arranges；First Guan Liang is set to be fixedly connected respectively with first afterbody and second afterbody, and first Guan Liang On the inside of collateral support group hole edge away from foundation ditch center；The 3rd opening position on the outside of the edge of foundation ditch to be dug makes the prism of third order body portion to enter with gravity direction in the 3rd inclination angle Enter the soil body, wherein the prism of third order head reaches stake bottom precalculated position；The 4th opening position on the outside of the edge of foundation ditch to be dug makes The 4th pile body portion in the 4th inclination angle with gravity direction to enter the soil body, wherein the 4th pile crown portion reaches stake bottom pre-determined bit Put；Second Guan Liang is set to be fixedly connected respectively with the prism of third order afterbody and the 4th afterbody；And first coupling beam is set to be fixedly connected with first Guan Liang and institute along the second direction for being different from the first direction State the second Guan Liang.
- 2. foundation pit supporting method according to claim 1, it is characterised in that the first pile crown portion, second pile crown Portion is to inclination on the inside of foundation ditch, and the prism of third order head, the 4th pile crown portion tilt to foundation ditch outside.
- 3. foundation pit supporting method according to claim 2, it is characterised in that first inclination angle and second inclination angle exist In the range of 0-30 °.
- 4. foundation pit supporting method according to claim 1, it is characterised in that first support pile and second supporting Stake is vertical with gravity direction, and the pile crown portion of the 3rd support pile and the 4th support pile tilts to foundation ditch inner side.
- 5. foundation pit supporting method according to claim 1, it is characterised in that first support pile and second supporting To inclination on the inside of foundation ditch, the 3rd support pile and the 4th support pile are vertical with gravity direction in the pile crown portion of stake.
- 6. according to the foundation pit supporting method described in claim any one of 1-5, it is characterised in that make first coupling beam along difference Being respectively fixedly connected with first Guan Liang and second Guan Liang in the second direction of the first direction also includes：Make described The both ends of one coupling beam are respectively fixedly connected with first afterbody in the fixed connection place of first Guan Liang and the described 3rd Stake afterbody is in the fixed connection place of second Guan Liang.
- 7. foundation pit supporting method according to claim 6, it is characterised in that also include providing the second coupling beam, and in institute Stating second direction makes the both ends of second coupling beam be respectively fixedly connected with first Guan Liang and second Guan Liang.
- 8. foundation pit supporting method according to claim 7, it is characterised in that also include providing the 3rd coupling beam, and not Being same as the third direction of the second direction makes the both ends of the 3rd coupling beam be respectively fixedly connected with first Guan Liang and institute State the second Guan Liang.
- A kind of 9. raked pile, it is characterised in that including：First support pile, the second support pile, the 3rd support pile, the 4th support pile, First coupling beam, the first Guan Liang and the second Guan Liang；Wherein described first support pile includes the first pile crown portion, first afterbody and connects the first pile crown portion and the stake tail The first pile body portion in portion, second support pile include the second pile crown portion, second afterbody and connection the second pile crown portion and Second pile body portion of second afterbody, the first direction spaced first that first Guan Liang includes along its length connect Socket part and second connecting portion；3rd support pile includes prism of third order head, prism of third order afterbody and connects the prism of third order head and the prism of third order tail The prism of third order body portion in portion, the 4th support pile include the 4th pile crown portion, the 4th afterbody and connection the 4th pile crown portion and 4th pile body portion of the 4th afterbody；Second Guan Liang includes spaced 3rd connecting portion and the 4th along its length Connecting portion；First afterbody and second afterbody are fixed with the first connecting portion and the second connecting portion respectively to be connected Connect；The first pile crown portion and the second pile crown portion are stretched out to the direction away from first Guan Liang respectively；The prism of third order afterbody and the 4th afterbody are fixed with the 3rd connecting portion and the 4th connecting portion respectively to be connected Connect；The prism of third order head and the 4th pile crown portion respectively to away from second Guan Liang and with the first pile crown portion and institute The consistent direction in the second pile crown portion is stated to stretch out；First coupling beam is consolidated in the second direction different from the first direction and first Guan Liang and second Guan Liang Fixed connection.
- 10. inclination pilework according to claim 9, it is characterised in that first support pile and the 3rd supporting Stake is positioned opposite to each other, wherein the first pile crown portion and the prism of third order head are away from each other and first afterbody and institute It is close to each other to state prism of third order afterbody.
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| CN201710625248.0A CN107366290A (en) | 2017-07-27 | 2017-07-27 | Foundation pit supporting method and raked pile |
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| CN201710625248.0A CN107366290A (en) | 2017-07-27 | 2017-07-27 | Foundation pit supporting method and raked pile |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109440781A (en) * | 2018-11-24 | 2019-03-08 | 天津大学 | Active inclination foundation pit supporting method with double rows of piles |
| CN113863076A (en) * | 2021-09-27 | 2021-12-31 | 中国一冶集团有限公司 | Construction method of sunken road under sandbar bridge |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101418570A (en) * | 2008-11-28 | 2009-04-29 | 天津大学 | Foundation pit supporting method with double rows of piles |
| CN102864781A (en) * | 2012-09-29 | 2013-01-09 | 成都四海岩土工程有限公司 | Foundation pit supporting method utilizing inclined piles |
| CN203684230U (en) * | 2013-11-21 | 2014-07-02 | 昆明理工大学 | Prefabricated double-row pile structure |
| CN205259193U (en) * | 2015-11-26 | 2016-05-25 | 中国建筑股份有限公司 | A splayed supporting construction for foundation ditch engineering |
-
2017
- 2017-07-27 CN CN201710625248.0A patent/CN107366290A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101418570A (en) * | 2008-11-28 | 2009-04-29 | 天津大学 | Foundation pit supporting method with double rows of piles |
| CN102864781A (en) * | 2012-09-29 | 2013-01-09 | 成都四海岩土工程有限公司 | Foundation pit supporting method utilizing inclined piles |
| CN203684230U (en) * | 2013-11-21 | 2014-07-02 | 昆明理工大学 | Prefabricated double-row pile structure |
| CN205259193U (en) * | 2015-11-26 | 2016-05-25 | 中国建筑股份有限公司 | A splayed supporting construction for foundation ditch engineering |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109440781A (en) * | 2018-11-24 | 2019-03-08 | 天津大学 | Active inclination foundation pit supporting method with double rows of piles |
| CN109440781B (en) * | 2018-11-24 | 2021-04-23 | 天津大学 | Active inclined double-row pile foundation pit supporting method |
| CN113863076A (en) * | 2021-09-27 | 2021-12-31 | 中国一冶集团有限公司 | Construction method of sunken road under sandbar bridge |
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