CN108487270A - A kind of friction pile and construction method - Google Patents
A kind of friction pile and construction method Download PDFInfo
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- CN108487270A CN108487270A CN201810623369.6A CN201810623369A CN108487270A CN 108487270 A CN108487270 A CN 108487270A CN 201810623369 A CN201810623369 A CN 201810623369A CN 108487270 A CN108487270 A CN 108487270A
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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
- E02D17/20—Securing of slopes or inclines
- E02D17/207—Securing of slopes or inclines with means incorporating sheet piles or piles
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
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- General Life Sciences & Earth Sciences (AREA)
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- Piles And Underground Anchors (AREA)
Abstract
The present invention relates to engineering construction technology fields, and specifically disclose a kind of friction pile and construction method, the friction pile includes more vertical pile bodies, and the upper end of adjacent two piles body is fixedly connected by linking beam, and the upper end of multiple linking beams and pile body is enclosed to form closed loop；Wherein, pile body includes upper stake, middle stake and lower stake from top to bottom, and the diameter of middle stake is more than the diameter of upper piles and lower piles, and pile body is internally provided with vertical steel reinforcement cage, linking beam is internally provided with lateral crossbeam reinforcing bar, and the upper end of steel reinforcement cage and crossbeam reinforcing bar are affixed along the circumferential direction interval of closed loop.The friction pile is constructed by the construction method to be formed, and effectively slopes can be prevented to glide, and can be economized on resources to greatest extent under the premise of ensureing Landslide Stability and safety when especially administering large landslide, is controlled economic cost.
Description
Technical field
The present invention relates to engineering construction technologies, more particularly to friction pile and construction method.
Background technology
With the high speed development of the industries such as China city, traffic, mine, environmental protection, landslide control becomes one increasingly heavier
The engineering wanted.Friction pile occupies weight as a kind of effective engineering measure for reinforcing slip mass in the landslide control of countries in the world
The status wanted.
Friction pile is to be inserted into slopes slide surface good ground below using friction pile to resist stake to the effect of slip mass
Power (anchor force) balances the thrust of slide mass, increases its stability.When slip mass glides by the impedance of friction pile, before making stake
Gliding mass reaches stable state.For larger landslide control engineering, the method for generally use is the single friction pile of cross-section
With multiple rows of friction pile, the multiple rows of friction pile of cross-section can be classified resistance Thrust of Landslide, but front and back stress is indefinite, can not send out comprehensively
The shear resistance for waving friction pile causes waste of material huge, and increases engineering time limit.
Invention content
The object of the present invention is to provide a kind of friction pile and construction method, which is constructed by the construction method with shape
At, effectively slopes can be prevented to glide, especially administer large landslide when ensure Landslide Stability and safety premise
Under can economize on resources to greatest extent, control economic cost.
To achieve the goals above, the present invention provides a kind of friction pile, which includes more vertical pile bodies, phase
The upper end of adjacent two pile bodies is fixedly connected by linking beam, the upper end of multiple linking beams and the pile body enclose with
Form closed loop；Wherein, the pile body includes upper stake, middle stake and lower stake from top to bottom, and the diameter of the middle stake is more than upper pile
With the diameter of lower stake, the pile body is internally provided with vertical steel reinforcement cage, and the linking beam is internally provided with lateral cross
Beam steel, the upper end of the steel reinforcement cage are affixed along the circumferential direction interval of the closed loop with the crossbeam reinforcing bar.
Preferably, the diameter of upper pile 11, middle stake 12 and lower stake 13 is respectively a, b and c；Wherein, a ＜ b, c ＜ b, b ＜
(a+c)2+|a-c|。
Preferably, upper pile is identical with the diameter of lower stake.
Preferably, the upper end of multiple linking beams and the pile body is enclosed to form the closed loop of triangle；Preferably,
The upper end of multiple linking beams and the pile body is enclosed to form the closed loop of equilateral triangle.
Preferably, side is wrapped one of in the closed loop that the upper end of multiple linking beams and the pile body is enclosed
Include there are one linking beam and be fixed in the pile body at the linking beam both ends.
Preferably, two sides difference in the closed loop that the upper end of multiple linking beams and the pile body is enclosed
Include multiple pile bodies, on same side between adjacent two pile bodies between be divided into 20-40cm.
Preferably, the linking beam is identical with the quantity of the pile body, is 3-12 and is uniformly distributed.
Preferably, the quantity of the linking beam and the pile body is 3.
Preferably, the middle stake is platform taper, and diameter of section gradually increases from top to bottom.
Preferably, the side gradient of described taper is equal to the slopes gradient.
The present invention also provides a kind of construction method, which includes：1) determine that each pile body is located at slopes slide surface
On position and make marks；2) borehole is carried out at the position marked in step 1) and forms multiple stake holes；Wherein, Mei Gesuo
It includes from top to bottom upper hole, mesoporous and lower opening to state stake holes, and corresponds respectively to upper pile, middle stake and lower stake；It 3) will be described
Steel reinforcement cage is positioned coaxially to the stake holes in the stake holes, and to pouring mixed mud in stake holes to form the pile body；Its
In, the upper end of the steel reinforcement cage is reserved with part and is not poured；4) upper end of the steel reinforcement cage is reserved to the portion not poured
Divide and the crossbeam reinforcing bar is affixed along the circumferential direction interval of the closed loop；5) beam template made is sheathed on each institute
The periphery of crossbeam reinforcing bar is stated, and carries out pouring mixed mud to form the linking beam into the beam template.
Preferably, the step 2) includes successively excavating the upper hole, mesoporous and lower opening；Wherein, in the upper hole, mesoporous
Go deep into after 0.4-1m being all made of concrete progress retaining wall down with every in the digging process of lower opening, it is deep down again after retaining wall solidifies
Enter to excavate.
Preferably, per after going deep into 0.4-1m down and using mixed in the digging process of the upper hole, mesoporous and lower opening
Before solidifying soil carries out retaining wall, slots on the side wall excavated and stretch into reinforcing bar to be anchored.
Preferably, it is connected by rope traction between the reinforcing bar on adjacent two anchorage points.
Preferably, it sets up defences protecting wire net on side wall upper berth before carrying out retaining wall using concrete in the excavation of the mesoporous.
Preferably, the protection network is stainless steel steel wire.
Preferably, concrete model C30 used by retaining wall, and dado thickness is not less than 18cm.
Preferably, in the step 3), after continuous placing 0.5-0.8m, it is 1 time real to be all made of immersion vibrator puddling；
Wherein, it pours the lower pile to be formed to be located in the good ground of slopes, pours the middle stake part to be formed and be located at slope
In the sliding soil body of body, pours the upper pile part to be formed and be located in the sliding soil body.
Preferably, it is 1-2m that the lower mouth of the tumbling barrel of the immersion vibrator or conduit, which is poured with mixed mud at a distance from face,.
According to above-mentioned technical proposal, determine position that each pile body is located on slopes slide surface simultaneously by step 1) in the present invention
It makes marks；Borehole is carried out at the position that step 2) is marked in step 1) and forms multiple stake holes；Wherein, each stake holes
Include from top to bottom upper hole, mesoporous and lower opening, and corresponds respectively to upper pile, middle stake and lower stake；Step 3) is by the steel
Muscle cage is positioned coaxially to the stake holes in the stake holes, and to pouring mixed mud in stake holes to form the pile body；Wherein,
The upper end of the steel reinforcement cage is reserved with part and is not poured；The portion not poured is reserved in the upper end of the steel reinforcement cage by step 4)
Divide and the crossbeam reinforcing bar is affixed along the circumferential direction interval of the closed loop；The beam template made is sheathed on often by step 5)
The periphery of a crossbeam reinforcing bar, and carry out pouring mixed mud to form the linking beam into the beam template.So far, complete
At the construction of entire friction pile, due to being formed with the middle stake being relatively large in diameter in the middle part of the friction pile, entire pile body is in vertical direction
Pull resistance significantly enhanced, for traditional single cylinder stake have stronger protective, in addition, multiple
Linking beam and pile body interval are affixed, will be formed as an entirety between linking beam and pile body, effectively improve each pile body
Stress intensity improves bending resistance and the shearing strength of stake, considerably increases stability and the safety of friction pile, enhances antiskid
The regulation effect of stake, reduces project cost compared with Single row pillars and double-row pile, more economical.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is to be used to provide further understanding of the present invention, an and part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of structural schematic diagram of preferred embodiment of friction pile in the present invention；
Fig. 2 is the overall structure sectional view that friction pile is constructed after in slopes in the present invention.
Reference sign
1 pile body, 2 linking beam
3 slopes slide surfaces 4 slide the soil body
Stake on 5 good grounds 11
13 times stakes of stake in 12
Specific implementation mode
The specific implementation mode of the present invention is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched
The specific implementation mode stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the absence of explanation to the contrary, " up and down, front and back inside and outside " etc. is included in the term
The noun of locality only represents orientation of the term under normal service condition, or be those skilled in the art understand that be commonly called as, without answering
It is considered as the limitation to the term.
Referring to friction pile shown in Fig. 1-2, which includes more vertical pile bodies 1, adjacent two pile bodies 1
Upper end is fixedly connected by linking beam 2, and the upper end of multiple linking beams 2 and the pile body 1 is enclosed to form closed loop；Its
In, the pile body 1 includes upper stake 11, middle stake 12 and lower stake 13 from top to bottom, and the diameter of the middle stake 12 is more than upper pile 11
With the diameter of lower stake 13, the pile body 1 is internally provided with vertical steel reinforcement cage, and the linking beam 2 is internally provided with transverse direction
Crossbeam reinforcing bar, the upper end of the steel reinforcement cage is affixed along the circumferential direction interval of the closed loop with the crossbeam reinforcing bar.
Through the implementation of the above technical solution, due to being formed with the middle stake 12 being relatively large in diameter in the middle part of the friction pile, entirely
Pile body 1 is significantly enhanced in the pull resistance of vertical direction, is had for traditional single cylinder stake stronger
Protective will be formed as an entirety, have in addition, multiple linking beams 2 are spaced affixed with pile body 1 between linking beam 2 and pile body 1
The stress intensity for improving each pile body of effect, improves bending resistance and the shearing strength of stake, considerably increases the stabilization of friction pile
Property and safety, enhance the regulation effect of friction pile, project cost are reduced compared with Single row pillars and double-row pile, more pass through
Ji.It is further to note that the connection between crossbeam reinforcing bar and steel reinforcement cage is by way of wire binding or welding
Mode.
In this embodiment, in order to enable the antiskid performance of middle stake 12 further increases, it is preferable that upper pile 11,
The diameter of middle stake 12 and lower stake 13 is respectively a, b and c；Wherein, a ＜ b, c ＜ b, b ＜ (a+c)/2+ | a-c |.In in theory
The diameter of stake 12 is the bigger the better, but since middle stake 12 itself has certain gravity, once after the diameter of middle stake 12 is excessive
On the one hand the waste of material can be caused, on the other hand then will receive the squeezing action of slopes plus after one same-action of gravity of itself
Deformation is bent downward, better AsA -GSH cycle is not had.Therefore, the diameter of middle stake 12 is set to upper stake 11 and lower 13 diameter of stake
Average value and absolute value stake 12 in asing plus difference between upper stake 11 and lower stake 13 the diameter limit, on the one hand saving
On the other hand material can play best protection effect.
In this embodiment, in order to improve the stability of upper stake 11 and lower 13 stress equalization of stake and entire pile body 1,
Preferably, upper pile 11 is identical with the diameter of lower stake 13.
In this embodiment, in order to further increase the antiskid slope performance of friction pile, it is preferable that multiple linking beams
2 and the pile body 1 upper end enclose to form the closed loop of triangle；The quantity of multiple linking beams 2 could be provided as being more than 3
It is a, it is finally arranged in triangle, triangle can be played with more the advantage of stability to further increase friction pile
Antiskid slope performance.Furthermore it is preferred that the upper end of multiple linking beams 2 and the pile body 1 is enclosed to form equilateral triangle
The closed loop of shape.The stability of equilateral triangle is most strong in the triangles, to further improve the anti-landslide of friction pile
Energy.
In this embodiment, for material saving cost while reaching protection effect, it is preferable that multiple companies
Side includes that there are one linking beams 2 and affixed one of in the closed loop that the upper end of binder 2 and the pile body 1 is enclosed
Pile body 1 in 2 both ends of the linking beam.Since the shape that entire friction pile is enclosed is triangle, in some slope surfaces
Position that an is side of triangle is horizontal and being located on relatively is arranged in construction, receives the positive impact of slopes, and due to both sides
Side had multiple pile bodies 1 receive it is shock proof preparation and all impact forces converge to a little on to reinforce antiskid
Performance, if at this point, being additionally provided with multiple stakes on a uppermost side in the case where the pile body 1 of two sides is intensive enough
Body 1 hinders landslide and enters on the pile body 1 on two sides instead, and just seem unusual waste.
In this embodiment, in order to further strengthen the antiskid performance of slopes, it is preferable that multiple linking beams 2 with
And two sides in the closed loop that is enclosed of the upper end of the pile body 1 have respectively included multiple pile bodies 1, are located on same side
It is divided into 20-40cm between adjacent two pile bodies 1.The distance between pile body 1 wherein on two sides according to side with
Depending on angle between bottom edge, the interval between angle more big then pile body 1 is bigger.
In this embodiment, in order to further strengthen the antiskid performance of slopes, it is preferable that the linking beam 2 and described
The quantity of pile body 1 is identical, is 3-12 and is uniformly distributed.
In this embodiment, in order to further improve the antiskid slope performance of friction pile, it is preferable that the linking beam 2
Quantity with the pile body 1 is 3.The quantity that the linking beam 2 in triangle each edge is formed by by reduction reduces often
The torque on side prevents from damaging linking beam 2 more in itself due to landslide, in the bend resistance intensity of each linking beam 2
Under the premise of reaching highest, the anti-landslide of friction pile is further increased by the quantity of the increase setting friction pile in slopes
Energy.
In this embodiment, in order to further enhance the antiskid performance of middle stake 12, it is preferable that the middle stake 12 is platform cone
Shape, and diameter of section gradually increases from top to bottom.In this way so that contact between the side of middle stake 12 and slopes
Area increases, to increase antiskid performance.
In this embodiment, in order to further enhance the antiskid performance of middle stake 12, it is preferable that the side of described taper
Gradient is equal to the slopes gradient.At this point, slope surface of the side of middle stake 12 perpendicular to slopes, the stress of middle stake 12 are most so that
Anti-slippery effect reaches best.
The present invention also provides a kind of construction method, which includes：1) determine that each pile body 1 is located at slopes slide surface
Position on 3 simultaneously makes marks；2) borehole is carried out at the position marked in step 1) and forms multiple stake holes；Wherein, each
The stake holes includes from top to bottom upper hole, mesoporous and lower opening, and corresponds respectively to upper pile 11, middle stake 12 and lower stake 13；
3) steel reinforcement cage and the stake holes are positioned coaxially in the stake holes, and described to be formed to pouring mixed mud in stake holes
Pile body 1；Wherein, the upper end of the steel reinforcement cage is reserved with part and is not poured；4) by the upper end of the steel reinforcement cage reserve not by
The part and the crossbeam reinforcing bar poured is affixed along the circumferential direction interval of the closed loop；5) beam template made is arranged
In the periphery of each crossbeam reinforcing bar, and carry out pouring mixed mud to form the linking beam 2 into the beam template.
By the implementation of above-mentioned construction method, pile body 1 is by the way that based on steel reinforcement cage, stake holes is that die wall is poured, and is poured
Steel reinforcement cage plays the role of reinforcing entire 1 bearing capacity of pile body after building up type, and the mixed mud after pouring is hardened, and plays blocking
The effect that the soil body 4 glides is slid, and steel wire is carried out to crossbeam reinforcing bar directly on the pile body 1 poured and binds affixed or weldering
It connects so that the upper end of steel reinforcement cage stays the part not poured and crossbeam reinforcing bar affixed along the circumferential direction interval of closed loop, to stake
Body 1 is formed as an entirety with linking beam 2, and construction efficiency is also improved while increasing antiskid performance.
In this embodiment, it in order to ensure that each stake holes will not cave in during excavation, and further carries
High skid resistance energy, it is preferable that the step 2) includes successively excavating the upper hole, mesoporous and lower opening；Wherein, the upper hole,
It is all made of concrete progress retaining wall after often going deep into 0.4-1m in mesoporous and the digging process of lower opening down, after retaining wall solidifies again
It deeply excavates down.The digging process in upper hole, mesoporous and lower opening is mutually independent and sequentially carries out from top to bottom, when upper
The excavation of next sector hole is entered back into after the solidification completely of the retaining wall of one sector hole.
In this embodiment, it in order to further strengthen the upper hole of excavation, the stability of mesoporous and lower opening, prevents from caving in,
And increase the stability of the upper stake 11 after pouring, middle stake 12 and lower stake 13, it is preferable that in the upper hole, mesoporous and lower opening
Per before going deep into carrying out retaining wall after 0.4-1m and using concrete down in digging process, slot simultaneously on the side wall excavated
Reinforcing bar is stretched into be anchored.Anchoring is by presetting reinforcing bar in slot and extending out to outside, then consolidated by concreting
It is fixed.
In this embodiment, it in order to further reinforce the stability in the upper hole excavated, mesoporous and lower opening, improves whole
Intensity, it is preferable that connected by rope traction between the reinforcing bar on adjacent two anchorage points.
In this embodiment, due to the digging diameter of mesoporous maximum, in order to ensure mesoporous is unlikely in digging process
It caves in, it is preferable that set up defences protecting wire net on side wall upper berth before carrying out retaining wall using concrete in the excavation of the mesoporous.
In addition, in order to prevent protection network get rusty influence protection effect, it is preferable that the protection network be stainless steel steel wire.
In this embodiment, in order to further increase the intensity of retaining wall, enhance antiskid performance, it is preferable that retaining wall is adopted
Concrete model C30, and dado thickness is not less than 18cm.
In this embodiment, in order to further increase the intensity and antiskid performance of friction pile, it is preferable that the step
3) in, after continuous placing 0.5-0.8m, it is 1 time real to be all made of immersion vibrator puddling；Wherein, pour to be formed it is described under
Stake 13 is located in the good ground 5 of slopes, pours 12 part of middle stake to be formed and is located in the sliding soil body 4 of slopes, institute
11 part of upper pile to be formed is poured to be located in the sliding soil body 4.Entire 1 upper end of pile body point is located in good ground 5, steadily
5 intensity of of layer itself are higher than the sliding soil body 4, and when sliding the sliding of the soil body 4, pile body 1 is located at the generation of the part in good ground 5
Opposite effect power gives pile body 1 relative to one opposite effect power of glide direction, weakens sliding, more to anti-slippery effect
It is good.
In this embodiment, in order to obtain preferably tamping mixed mud effect, it is preferable that the immersion vibrator
Tumbling barrel or lower mouth and the mixed mud of conduit to pour at a distance from face be 1-2m.The tumbling barrel of immersion vibrator or the lower mouth of conduit with
Mixed mud pour face distance simultaneously it can be appreciated that be immersion vibrator tumbling barrel or conduit stretch into mixed mud away from
From.
The preferred embodiment of the present invention is described in detail above in association with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical scheme of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (10)
1. a kind of friction pile, which is characterized in that the friction pile includes more vertical pile bodies (1), adjacent two pile bodies
(1) upper end is fixedly connected by linking beam (2), and the upper end of multiple linking beams (2) and the pile body (1) is enclosed with shape
At closed loop；Wherein,
The pile body (1) includes upper stake (11), middle stake (12) and lower stake (13) from top to bottom, and the diameter of the middle stake (12) is more than
The diameter of upper pile (11) and lower stake (13), the pile body (1) are internally provided with vertical steel reinforcement cage, the linking beam
(2) be internally provided with lateral crossbeam reinforcing bar, the upper end of the steel reinforcement cage is with the crossbeam reinforcing bar along the circumferential direction of the closed loop
Direction interval is affixed.
2. friction pile according to claim 1, wherein the diameter of upper pile (11), middle stake (12) and lower stake (13) point
It Wei not a, b and c；Wherein,
A ＜ b, c ＜ b, b ＜ (a+c) 2+ | a-c |；It is preferred that upper pile (11) is identical with the lower diameter of stake (13).
3. friction pile according to claim 1, wherein the upper end of multiple linking beams (2) and the pile body (1) is enclosed
It closes to form the closed loop of triangle；
Preferably, the upper end of multiple linking beams (2) and the pile body (1) is enclosed to form the closed loop of equilateral triangle.
4. friction pile according to claim 3, wherein
Side includes one of in the closed loop that the upper end of multiple linking beams (2) and the pile body (1) is enclosed
One linking beam (2) and the pile body (1) for being fixed in the linking beam (2) both ends；
Two sides in the closed loop that the upper end of multiple linking beams (2) and the pile body (1) is enclosed respectively include
There are multiple pile bodies (1), 20-40cm is divided between being located on same side between adjacent two pile bodies (1).
5. friction pile according to claim 3, wherein the linking beam (2) is identical with the quantity of the pile body (1),
For 3-12 and it is uniformly distributed；It is preferred that the quantity of the linking beam (2) and the pile body (1) is 3.
6. according to the friction pile described in any one of claim 1-5, wherein the middle stake (12) is platform taper, and section
Diameter gradually increases from top to bottom；It is preferred that the side gradient of described taper is equal to the slopes gradient.
7. a kind of construction method, the construction for the friction pile described in any one of claim 1-6, which is characterized in that institute
Stating construction method includes：
1) it determines the position that each pile body (1) is located on slopes slide surface (3) and makes marks；
2) borehole is carried out at the position marked in step 1) and forms multiple stake holes；Wherein, each stake holes is from upper
And lower includes upper hole, mesoporous and lower opening, and correspond respectively to upper pile (11), middle stake (12) and lower stake (13)；
3) steel reinforcement cage and the stake holes are positioned coaxially in the stake holes, and to pouring mixed mud in stake holes to be formed
The pile body (1)；Wherein, the upper end of the steel reinforcement cage is reserved with part and is not poured；
4) part not poured and the crossbeam reinforcing bar are reserved into along the circumferential direction side of the closed loop in the upper end of the steel reinforcement cage
It is affixed to being spaced；
5) beam template made is sheathed on to the periphery of each crossbeam reinforcing bar, and is poured into the beam template
Mixed mud is built to form the linking beam (2).
8. construction method according to claim 7, wherein the step 2) include successively excavate the upper hole, mesoporous and
Lower opening；
Wherein, concrete progress is all made of after often going deep into 0.4-1m down in the digging process of the upper hole, mesoporous and lower opening
Retaining wall deeply excavates down again after retaining wall solidifies；Preferably, often past in the digging process of the upper hole, mesoporous and lower opening
Under go deep into after 0.4-1m and retaining wall carried out using concrete before, slot on the side wall excavated and stretch into reinforcing bar to carry out
Anchoring；It is highly preferred that being connected by rope traction between reinforcing bar on adjacent two anchorage points.
9. construction method according to claim 8, wherein in the excavation of the mesoporous using concrete carry out retaining wall it
It is preceding to set up defences protecting wire net on side wall upper berth；
Preferably, the protection network is stainless steel steel wire；
Concrete model C30 used by retaining wall, and dado thickness is not less than 18cm.
10. construction method according to claim 7, wherein in the step 3), after continuous placing 0.5-0.8m,
It is 1 time real using immersion vibrator puddling；Wherein, the good ground (5) that the lower pile to be formed (13) is located at slopes is poured
It is interior, it pours the middle stake (12) to be formed and is partly located in the sliding soil body (4) of slopes, pour the upper pile to be formed
(11) partly it is located in the sliding soil body (4)；
Preferably, it is 1-2m that the lower mouth of the tumbling barrel of the immersion vibrator or conduit, which is poured with mixed mud at a distance from face,.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083163A (en) * | 2018-09-06 | 2018-12-25 | 安康学院 | A kind of efficient rigid structure structure of stake arched door type for administering regional landslide |
| CN109853598A (en) * | 2019-03-29 | 2019-06-07 | 西安工业大学 | A kind of mini pile rigid connection structure and construction method for having both landslide-proofing and producing road |
| CN109914446A (en) * | 2019-04-11 | 2019-06-21 | 西安工业大学 | A kind of strong skid resistance mini pile and its construction method of landslide-proofing |
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| CN102140800A (en) * | 2011-01-24 | 2011-08-03 | 中铁西北科学研究院有限公司 | Quick, safe and environment-friendly method for constructing non-excavated anti-slide pile |
| CN202881964U (en) * | 2012-10-15 | 2013-04-17 | 中国建筑第六工程局有限公司 | Pile structure capable of preventing and treating landslide |
| CN106120721A (en) * | 2016-08-19 | 2016-11-16 | 化学工业岩土工程有限公司 | Multi-layer bottom-expanding manual hole digging cast-in-place pile and construction method |
| CN208870054U (en) * | 2018-06-15 | 2019-05-17 | 华东交通大学 | A kind of friction pile |
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| CN109083163A (en) * | 2018-09-06 | 2018-12-25 | 安康学院 | A kind of efficient rigid structure structure of stake arched door type for administering regional landslide |
| CN109853598A (en) * | 2019-03-29 | 2019-06-07 | 西安工业大学 | A kind of mini pile rigid connection structure and construction method for having both landslide-proofing and producing road |
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