CN104895094B - A kind of draining friction pile being automatically adjusted water level and construction method thereof - Google Patents
A kind of draining friction pile being automatically adjusted water level and construction method thereof Download PDFInfo
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Abstract
A kind of draining friction pile being automatically adjusted water level, the pile body formed on steel reinforcement cage including filling concrete, pile body is made up of concrete pile body and the rectangle hollow pile body that is arranged in concrete pile body, outer steel mould plate it is with outside pile body, interior steel form it is with on rectangle hollow pile body, rectangle hollow pile body be provided with many group water inlet pipe groups by top, pull end side is longitudinally parallel, rectangle hollow pile body be provided with many group regulation water inlet pipe groups by bottom, pull end side is longitudinally parallel, rectangle hollow pile body be provided with many group outlet pipe groups by pressure side side is longitudinally parallel, rectangle hollow pile body is provided with boring device.A kind of draining friction pile being automatically adjusted water level of present invention offer and construction method thereof, solution can must not be automatically adjusted water level, operating difficulties, problem that cost is high, can avoid the peak hour precipitation, reduce flowing pressure in slope soil, reduce the potential risk that landslide is destroyed, it is achieved that draining and the automatization of regulation water level.
Description
Technical field
The present invention relates to field of civil engineering, the draining antiskid being automatically adjusted water level that a kind of reservoir stability is reinforced
Stake and construction method thereof.
Background technology
As one of global three big geological disasters, the unstable failure of side slope often brings huge disaster to the mankind.
Compared with landslide, mountain region, the accident of reservoir stability is too numerous to enumerate.According to incompletely statistics, in reservoir area of Three Gorges, have and substantially deform mark
The landslide of elephant just reaches more than 1000.The deformation instability of this kind of side slope, often relevant with reservoir water level fluctuation.When storehouse water rapid drawdown, limit
The whereabouts of slope subsoil water lags behind disappearing of storehouse water and falls, and forms flowing pressure and be unfavorable for stablizing of slope body in side slope.As limit
The measure that slope is administered, the advantages such as friction pile is strong with its anti-slide performance, applicable elements is wide, construction safety is easy are used widely.
Therefore, there are many scholars that friction pile has been carried out substantial amounts of research and improvement, it is proposed that more novel friction pile.Wherein, also
Devise many draining friction piles, but these are not particularly suited for reservoir stability, and existence can not be automatically adjusted water level, operation is stranded
Difficult, high cost problem.
Summary of the invention
The technical problem to be solved is to provide a kind of draining friction pile being automatically adjusted water level and construction party thereof
Method, solution can must not be automatically adjusted water level, operating difficulties, problem that cost is high, precipitation of avoiding the peak hour, dynamic in reducing slope soil
Water pressure, reduces the potential risk that landslide is destroyed, it is achieved that draining and the automatization of regulation water level.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is: a kind of draining being automatically adjusted water level resists
Sliding pile, the pile body formed on steel reinforcement cage including filling concrete,
Pile body is made up of concrete pile body and the rectangle hollow pile body that is arranged in concrete pile body, is with outside pile body
Outer steel mould plate, rectangle hollow pile body is with interior steel form, being set by top, pull end side is longitudinally parallel of rectangle hollow pile body
Be equipped with many group water inlet pipe groups, rectangle hollow pile body be provided with many group regulation water inlet pipes by bottom, pull end side is longitudinally parallel
Group, rectangle hollow pile body be provided with many group outlet pipe groups by pressure side side is longitudinally parallel；
Water inlet pipe group is made up of the water inlet pipe of steel form and outer steel mould plate in the connection of multiple parallel horizontal positioned, regulation
Water inlet pipe group is made up of the regulation water inlet pipe of steel form and outer steel mould plate in the connection of parallel horizontal positioned, respectively regulates water inlet pipe
Group water outlet water inlet pipe port lid is installed, water inlet pipe port lid upper end is hinged with interior steel form, water inlet pipe port lid be installed on
Boring device in the hollow body of rectangle hollow pile body connects；
Outlet pipe group is made up of the outlet pipe of steel form and outer steel mould plate in multiple parallel connections, is provided with in outlet pipe
The outlet pipe port lid that can only the most unidirectional open.
The distance of the bottom distance slope sliding band of rectangle hollow pile body is 1 meter.
The quantity sum of water inlet pipe group and regulation water inlet pipe group is less than the quantity of outlet pipe group, bottom outlet pipe group
Installation site is higher than reservoir level lowest water level 1～3 meters.
In outlet pipe group, the oblique placement of the gradient of 3%～6% pressed by each outlet pipe.
Steel reinforcement cage, outer steel mould plate, interior steel form, many group water inlet pipe groups, many group regulation water inlet pipe groups, many group outlet pipe groups with
And multiple shedding motion forms an entirety.
In boring device, montant one end is connected with buoyancy aid, and the montant other end and the first cross bar and the second cross bar are hinged, and first
Cross bar and the second cross bar are hinged, and first cross bar one end is hinged with the water inlet pipe port lid of water inlet pipe group, second cross bar one end and interior steel
Template is hinged.
The first hinged cross bar and the second cross bar are provided above the two hinged shelves lids matched.
Loaded filter has been filled before and after pile body.
A kind of construction method of the draining friction pile being automatically adjusted water level, the method comprises the following steps:
1) design water inlet pipe group, regulation water inlet pipe group and outlet pipe group: according to distribution situation and the chi of pile body of subsoil water
Very little, appropriate design water inlet pipe group, regulation water inlet pipe group and the size of outlet pipe group, quantity and position；
2) make steel reinforcement cage, outer steel mould plate and interior steel form and form overall skeleton: take into account water pipe group, regulation water inlet pipe
On the premise of group and the size of outlet pipe group, quantity and position, by pile body stress configuration reinforcement cage, outer steel mould plate and interior punching block
Plate；
3) mounting opening device: in the cavity of the interior steel form formation of overall skeleton, according to design and installation boring device；
4) water pipe group, regulation water inlet pipe group and outlet pipe group it are installed into: on overall skeleton, be installed into water pipe according to design
Group, regulation water inlet pipe group and outlet pipe group, make steel reinforcement cage, outer steel mould plate, interior steel form, many group water inlet pipe groups, organize regulation more
The entirety that water inlet pipe group, many group outlet pipe groups and multiple shedding motion are formed；
5) by step 4) entirety made puts in the stake holes excavated, and fills loaded filter before and after entirety；
6) casting concrete molding in the entirety having filled loaded filter,
I.e. make the draining friction pile being automatically adjusted water level.
Step 4) in, according to the mode of manually digging hole, then need outside on steel form and interior steel form relevant position reserve
Water inlet and water outlet, aperture is slightly larger than water inlet pipe, the caliber of outlet pipe.
Step 5) in, loaded filter is that thickness is not less than 0.3m seepage material layer or non-fine concrete flaggy or geotextile
Layer.
The mentality of designing of the present invention is as follows:
With 2 meters × 1.5 meters × 20 meters (stake sectional dimension is for long: 2 meters, wide 1.5 meters, a length of 20.0 meters of stake) common friction piles
As a example by, design by least favorable situation, according to " Code for design of concrete structures " (GB 50010-2010), with symmetric reinforcement,
Under the detailing requiments premise meeting concrete component, the hollow section a size of 1.1 meters × 1.2 meters of friction pile, face can be obtained
To amass be 1.32 square metres, volume is 26.4 cubic metres.The minimum bending bearing capacity of this hollow friction pile is 17,280,000 Ns
Pause rice, and minimum shear resistant capacity is 2,556,000 newton.(minimum bending resistance is the contrast solid friction pile of same size
27340 kilonewton meters, minimum shear resistant capacity is 9,588,000 newton), the bending resistance of hollow friction pile, shear resistant capacity are subject to
Weakening to a certain extent, but the distance of the bottom of rectangle hollow pile body distance slope sliding band is 1 meter, and therefore, friction pile is empty
The part of the heart is little on actual maximum shear resistance impact, meanwhile, otherwise measure can be taked to improve hollow antiskid
The bearing capacity of stake, such as changes sectional dimension, reinforcement manner, uses combinative structure etc., be equally applicable under the same terms
Slope reinforcement.
Therefore, then foundation slope reinforcement commonly uses the quantity (general 8～20) of friction pile, and cumulative volume can reach 211 cubes
Rice, this provides the biggest footpath fluid space for subsoil water, also provides the biggest space for subsoil water storage.Accordingly, the present invention
In conjunction with the practical situation of reservoir stability, on the basis of utilizing friction pile cavity volume, enter according to the thinking of draining after first filling water
Row design, before Drawdown of Reservoir Water Level, level of ground water reduces the most to a certain extent, and after Drawdown of Reservoir Water Level, friction pile is arranged again
Water, thus the precipitation that realizes avoiding the peak hour, reduce flowing pressure in slope soil, reduce the purpose of the potential danger on landslide.The present invention can
More preferably being applicable to reservoir stability, it is simply effective, and achieves draining and the automatization of regulation water level.
A kind of draining friction pile being automatically adjusted water level that the present invention provides and construction method thereof, it has the beneficial effect that:
1, hollow cavity, being arranged by pull end side at rectangular hollow section pile body are formed by rectangular hollow section pile body
Water inlet pipe group and regulation water inlet pipe group, rectangular hollow section pile body outlet pipe group is set by pressure side side, regulate water inlet pipe group
It is connected with the boring device in hollow cavity, is designed according to the thinking of draining after first filling water, before Drawdown of Reservoir Water Level, underground
Water level reduces the most to a certain extent, and after Drawdown of Reservoir Water Level, friction pile carries out draining again, solution can must not be automatically adjusted water
Position, operating difficulties, problem that cost is high, precipitation of avoiding the peak hour, reduce flowing pressure in slope soil, reduce the potential danger on landslide
Danger, can more preferably be applicable to reservoir stability, the most effectively, and achieve draining and the automatization of regulation water level, reached to reduce
Due to the purpose of differential water pressures of the delayed generation of subsoil water during reservoir level rapid decrease.
2, the distance of the bottom distance slope sliding band of rectangle hollow pile body is 1 meter, and upper end is until pile body top, it is to avoid limit
Near the slip band of slope, the excessive situation causing Lack of support of shearing force occurs.
3, the quantity sum of water inlet pipe group and regulation water inlet pipe group is less than the quantity of outlet pipe group, bottom outlet pipe group
Installation site be designed to preferably draining higher than reservoir level lowest water level 1～3 meters.
4, the design of boring device achieves being automatically adjusted of water level.
5, water inlet pipe group setting height(from bottom) below reservoir level peak level 1～3 meter, it is ensured that slope underground water rises to necessarily
Could inject inside pile body after highly (close to water level peak height)；Simultaneously, it is considered to when high water level runs, meet with heavy rain effect, exist
It is also provided with water inlet pipe in the range of above high water mark 1～2 meters, makes full use of the effect of catchmenting of friction pile.
Accompanying drawing explanation
The invention will be further described with embodiment below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation of draining friction pile of the present invention；
Fig. 2 is that the A-A of Fig. 1 of the present invention is to sectional view；
Fig. 3 is that an outlet pipe of outlet pipe group is arranged in rectangular hollow section pile body in draining friction pile of the present invention
Schematic diagram；
Fig. 4 is the half sectional view of an outlet pipe of outlet pipe group in draining friction pile of the present invention；
Fig. 5 is that the right side of the water inlet pipe port lid of the water outlet setting of draining friction pile of the present invention interior regulation water inlet pipe group regards
Figure；
Fig. 6 is the left view of the water inlet pipe port lid of the water outlet setting of draining friction pile of the present invention interior regulation water inlet pipe group
Figure；
Fig. 7 is that the master of the water inlet pipe port lid of the water outlet setting of draining friction pile of the present invention interior regulation water inlet pipe group regards
Figure；
Fig. 8 is the right vertical view of the water inlet pipe port lid of the water outlet setting of draining friction pile of the present invention interior regulation water inlet pipe group
Figure；
Fig. 9 is the structural representation of boring device of the present invention；
Figure 10 is the boring device water inlet pipe port lid of the present invention view when opening；
Figure 11 is draining friction pile drainage procedure schematic diagram of the present invention；
Figure 12 is the illustraton of model of (anhydrous in pile body) under the embodiment of the present invention four original state；
Figure 13 is the embodiment of the present invention 4 first cross bar illustraton of model when overlapping with water inlet pipe port lid.
Detailed description of the invention
Embodiment one
As Figure 1-Figure 8, a kind of draining friction pile being automatically adjusted water level, including filling concrete on steel reinforcement cage
The pile body 1 formed,
Pile body is made up of, outside pile body concrete pile body 1 and the rectangle hollow pile body 2 that is arranged in concrete pile body 1
It is with outer steel mould plate 3, rectangle hollow pile body 2 is with interior steel form 4, being indulged by edge, top, pull end side of rectangle hollow pile body 2
To being arranged with many group water inlet pipe groups 5 in parallel, rectangle hollow pile body 2 organized tune by longitudinally parallel being provided with in bottom, pull end side more
Joint water inlet pipe group 6, rectangle hollow pile body 2 be provided with many group outlet pipe groups 7 by pressure side side is longitudinally parallel；
Water inlet pipe group 5 is by steel form 4 and the water inlet pipe 5-1 group of outer steel mould plate 3 in the connection of multiple parallel horizontal positioned
Becoming, regulation water inlet pipe group 6 is by steel form 4 and the regulation water inlet pipe 6-1 group of outer steel mould plate 3 in the connection of parallel horizontal positioned
Become, at the outlet 6-2 of each regulation water inlet pipe group 6, water inlet pipe port lid 6-3, water inlet pipe port lid 6-3 upper end and interior punching block are installed
Plate 4 is hinged, and water inlet pipe port lid 6-3 is connected with the boring device 8 in the hollow body being installed on rectangle hollow pile body 2；
Outlet pipe group 7 is made up of the outlet pipe 7-1 of steel form 4 and outer steel mould plate 3 in multiple parallel connections, outlet pipe 7-
Outlet pipe port lid 7-2, outlet pipe port lid 7-2 are installed added with a gear in 1 so that it is can only the most unidirectional open.
The distance of the bottom distance slope sliding band of rectangle hollow pile body 2 is 1 meter.
The size in quantity, height and aperture that water inlet pipe group 5, regulation water inlet pipe group 6 and outlet pipe group 7 are installed presses subsoil water
The water yield and the height change of water level determine, the quantity sum of water inlet pipe group 5 and regulation water inlet pipe group 6 is less than outlet pipe group
The quantity of 7, the installation site of bottom outlet pipe group 7 is higher than reservoir level lowest water level 1～3 meters.
In outlet pipe group 7, each outlet pipe 7-1 presses the oblique placement of the gradient of 3%～6%, and preferred slope is 4%.
Water inlet pipe group 5, regulation water inlet pipe group 6 and outlet pipe group 7 use stainless-steel pipe to make, in order to prevent pipeline from being hindered
Plug, the exit of water inlet pipe group 5, the import department of regulation water inlet pipe group 6 and outlet pipe group 7 is provided with filter screen.
Water inlet pipe port lid 6-3 and outlet pipe port lid 7-2 uses stainless steel material to make, and is provided with elastic tape, plays close in lid
The effect of envelope.
Steel reinforcement cage, outer steel mould plate 3, interior steel form 4, many group water inlet pipe groups 5, many groups regulate water inlet pipe group 6, organize outlet pipe more
Group and multiple shedding motion form an entirety.
As it is shown in figure 9, in boring device 8, montant 8-2 one end is connected with buoyancy aid 8-1, the montant 8-2 other end and the first horizontal stroke
Bar 8-3 and the second cross bar 8-4 is hinged, and the first cross bar 8-3 and the second cross bar 8-4 is hinged, first cross bar 8-3 one end and water inlet pipe group
The water inlet pipe port lid 6-3 of 5 is hinged, and second cross bar 8-4 one end is hinged with interior steel form 4.In drainage procedure, in stake, water level can be sent out
Changing, boring device controls the open and close of water inlet pipe port lid 6-3 and changes the most therewith, thus can realize the automatic tune of water level
Joint.
The first hinged cross bar 8-3 and the second cross bar 8-4 is provided above the two hinged shelves lid 8-5 matched, its effect
It is to prevent the first cross bar 8-3 and the second cross bar 8-4 sagging deflections.
Loaded filter 11 (thickness seepage material not less than 0.3 meter or goods non-fine concrete plate or soil is filled before and after pile body
Work fabric).
Outer steel mould plate 3 and interior steel form 4 are corrugated steel template.
Embodiment two
A kind of construction method of the draining friction pile being automatically adjusted water level, the method comprises the following steps:
1) design water inlet pipe group 5, regulation water inlet pipe group 6 and outlet pipe group 7: according to the distribution situation of subsoil water and pile body
Size, appropriate design water inlet pipe group 5, regulation water inlet pipe group 6 and the size of outlet pipe group 7, quantity and position；
2) make steel reinforcement cage, outer steel mould plate 3 and interior steel form 4 form overall skeleton: take into account water pipe group 5, regulate into
On the premise of water pipe group 6 and the size of outlet pipe group 7, quantity and position, by pile body stress configuration reinforcement cage, outer steel mould plate 3 and
Interior steel form 4；
3) mounting opening device 8: in the cavity of interior steel form 4 formation of overall skeleton, fill according to design and installation perforate
Put 8；
4) water pipe group 5, regulation water inlet pipe group 6 and outlet pipe group 7 it are installed into: according to design perforate pacifying on overall skeleton
Put into water pipe group 5, regulation water inlet pipe group 6 and outlet pipe group 7, make steel reinforcement cage, outer steel mould plate 3, interior steel form 4, organize water inlet more
The entirety that pipe group 5, many group regulation water inlet pipe groups 6, many group outlet pipe groups and multiple shedding motion are formed；
5) entirety that step 4 is made is put in the stake holes excavated, before and after entirety, fill loaded filter 11；
6) casting concrete molding in the entirety having filled loaded filter 11,
I.e. make the draining friction pile being automatically adjusted water level.
Step 4) in, according to the mode of manually digging hole, then need outside on steel form 3 and interior steel form 4 relevant position pre-
Staying into water and water outlet, aperture is slightly larger than water inlet pipe, the caliber of outlet pipe.
Step 5) in, loaded filter 11 is not less than 0.3m seepage material layer or non-fine concrete flaggy or geotextile for thickness
Layer.
Embodiment three
As shown in figure 11, the process using draining friction pile of the present invention to carry out draining is as follows:
After friction pile has been constructed, owing to the change of water level can form saturation 10 in slope body 9；
When reservoir level rises, level of ground water rises the also same period, and each regulation water inlet pipe group water inlet pipe port lid 6-3 is because of by first
Cross bar 8-3 and the constraint of the second cross bar 8-4 and close, after the height that water level reaches certain, water just can be from rectangular hollow section
Top each water inlet pipe group 5 of pile body 2 flows to, in the cavity of pile body, make the water level in pile body constantly increase, the buoyancy aid of boring device 8
8-1 can be moved up (as shown in Figure 10) by buoyancy, then drives first cross bar 8-3 one end to tilt, opens stake successively
Each outlet 6-2 regulating water inlet pipe group 6.Owing to the outlet pipe port lid 7-2 in the outlet pipe 7-1 of design can only unidirectional beat
Opening, water can only flow out in pile body, and so, the part subsurface flow after stake has entered in pile body, and water level can be before Drawdown of Reservoir Water Level
Obtain a certain degree of reduction.
During Drawdown of Reservoir Water Level, the water level in pile body is higher than the water level after stake, and the water in pile body will be from water outlet
Pipe 7-1 discharges, and the water level in pile body reduces, and the buoyancy causing boring device 8 to be subject to reduces, and returns to former under deadweight
Position.Moving in circles with this, the water inlet pipe port lid 6-3 open and close of regulation water inlet pipe group 6 change repeatedly, complete the draining of friction pile,
Reduce water-head, the purpose of flowing pressure in reduction slope soil.
Embodiment four
In above-mentioned drainage procedure, can boring device 8 reach to open the function of Guan Bi, and whole design is played decision
Property effect.
To this end, verified by founding mathematical models, as shown in figure 12, under initial position (anhydrous in pile body), the
Two cross bar 8-4 and the first cross bar 8-3 are level under deadweight, laterally props up water inlet pipe port lid 6-3, in order to avoid water inlet pipe port lid 6-3 quilt
Dynamic water after Zhuan is opened.After node B is by power (buoyancy) straight up, the second cross bar 8-4 can be around center of circle O1Upwards occur
Rotating, and affect the first cross bar 8-3 upwardly-deformed, the first cross bar 8-3 affects water inlet pipe port lid 6-3 around fixing point center of circle O again2To
Upper rotation, the outlet 6-2 aperture that will regulate water inlet pipe group 6 is opened.
It addition, the influence of dynamic water formed by the differential water pressures inside and outside pile body, outlet 6-2 can open in aperture further.Wherein,
Between second cross bar 8-4 and the first cross bar 8-3, the trace of motion can be reflected by below equation:
(sinα-0.05+0.05cosγ)2+(2-cosα-0.05sinγ)2=1
Sin β=sin α-0.05+0.05cos γ
In formula, α is the angle that the second cross bar 8-4 rotates；β is the angle that the first cross bar 8-3 deforms therewith；γ is water inlet pipe
The angle that port lid 6-3 rotates.The result calculated is as shown in table 1 below.(B, A represent Figure 12, the two-end-point of the first cross bar 8-3 in 13)
Table 1 result of calculation statistical table
Can show that the final position that rod member moves, the final angle that the second cross bar 8-4 rotates up are from upper table 1
14.3490 °, the final angle that the first cross bar 8-3 and water inlet pipe port lid 6-3 rotates with is 10.8598 ° and 100.8598 °.According to
This mapping, can obtain the first cross bar 8-3 and finally overlap with water inlet pipe port lid 6-3, as shown in figure 13, and center of circle O2And between B '
A length of 1050mm, is the second cross bar 8-4, the first cross bar 8-3 and water inlet pipe port lid 6-3 radius sum.Behind this position, first
The motion of cross bar 8-3 is made boring device 8 to move up by water inlet pipe port lid 6-3 constraint again.
In sum from initial position and the result of calculation of final position of boring device 8, boring device 8 can realize
Self-draining function.
In the present invention, pile body bear after Thrust of Landslide side is called stake, otherwise for before stake.
Claims (10)
1. it is automatically adjusted a draining friction pile for water level, the pile body (1) formed on steel reinforcement cage including filling concrete, its
It is characterised by:
Pile body is made up of, outside pile body concrete pile body (1) and the rectangle hollow pile body (2) that is arranged in concrete pile body (1)
Gusset has outer steel mould plate (3), and rectangle hollow pile body (2) is with interior steel form (4), rectangle hollow pile body (2) by pull end one
Upper lateral part is longitudinally parallel is provided with many groups water inlet pipe group (5), being put down along longitudinal by bottom, pull end side of rectangle hollow pile body (2)
Row is provided with many groups regulation water inlet pipe group (6), being provided with many groups and go out by pressure side side is longitudinally parallel of rectangle hollow pile body (2)
Water pipe group (7)；
Water inlet pipe group (5) is by steel form (4) in the connection of multiple parallel horizontal positioned and the water inlet pipe (5-of outer steel mould plate (3)
1) composition, regulation water inlet pipe group (6) is entered by the regulation of steel form (4) and outer steel mould plate (3) in the connection of parallel horizontal positioned
Water pipe (6-1) forms, and outlet (6-2) place of each regulation water inlet pipe group (6) is provided with water inlet pipe port lid (6-3), pore of intaking
Lid (6-3) upper end hinged with interior steel form (4), water inlet pipe port lid (6-3) with in the hollow body being installed on rectangle hollow pile body (2)
Boring device (8) connect；
Outlet pipe group (7) is made up of the outlet pipe (7-1) of steel form (4) and outer steel mould plate (3) in multiple parallel connections, water outlet
In pipe (7-1), the outlet pipe port lid (7-2) that can only the most unidirectional open is installed.
A kind of draining friction pile being automatically adjusted water level the most according to claim 1, it is characterised in that: rectangle hollow pile body
(2) distance of bottom distance slope sliding band is 1 meter.
A kind of draining friction pile being automatically adjusted water level the most according to claim 1, it is characterised in that: water inlet pipe group (5)
And the quantity sum of regulation water inlet pipe group (6) is less than the quantity of outlet pipe group (7), the installation position of bottom outlet pipe group (7)
Set high in reservoir level lowest water level 1～3 meters.
A kind of draining friction pile being automatically adjusted water level the most according to claim 1, it is characterised in that: outlet pipe group (7)
In, the oblique placement of the gradient of 3%～6% pressed by each outlet pipe (7-1).
A kind of draining friction pile being automatically adjusted water level the most according to claim 1, it is characterised in that: steel reinforcement cage, outer steel
Template (3), interior steel form (4), many groups water inlet pipe group (5), many groups regulation water inlet pipe group (6), many group outlet pipe groups and multiple
Shedding motion forms an entirety.
A kind of draining friction pile being automatically adjusted water level the most according to claim 1, it is characterised in that: boring device (8)
In, montant (8-2) one end is connected with buoyancy aid (8-1), montant (8-2) other end and the first cross bar (8-3) and the second cross bar (8-4)
Hinged, the first cross bar (8-3) is hinged with the second cross bar (8-4), the first cross bar (8-3) one end and the water inlet pipe of water inlet pipe group (5)
Port lid (6-3) is hinged, and the second cross bar (8-4) one end is hinged with interior steel form (4).
A kind of draining friction pile being automatically adjusted water level the most according to claim 6, it is characterised in that: hinged first is horizontal
Bar (8-3) is provided above the two hinged shelves lids (8-5) matched with the second cross bar (8-4).
A kind of draining friction pile being automatically adjusted water level the most according to claim 1, it is characterised in that: fill before and after pile body
There is loaded filter (11).
9. the construction method of the draining friction pile being automatically adjusted water level, it is characterised in that the method comprises the following steps:
1) design water inlet pipe group (5), regulation water inlet pipe group (6) and outlet pipe group (7): according to distribution situation and the pile body of subsoil water
Size, appropriate design water inlet pipe group (5), regulation water inlet pipe group (6) and size, quantity and the position of outlet pipe group (7)；
2) make steel reinforcement cage, outer steel mould plate (3) and interior steel form (4) and form overall skeleton: take into account water pipe group (5), regulation
On the premise of size, quantity and the position of water inlet pipe group (6) and outlet pipe group (7), by pile body stress configuration reinforcement cage, outer steel mould
Plate (3) and interior steel form (4)；
3) mounting opening device (8): in the cavity that the interior steel form (4) of overall skeleton is formed, fill according to design and installation perforate
Put (8)；
4) water pipe group (5), regulation water inlet pipe group (6) and outlet pipe group (7) it are installed into: be installed on overall skeleton according to design
Water pipe group (5), regulation water inlet pipe group (6) and outlet pipe group (7), make steel reinforcement cage, outer steel mould plate (3), interior steel form (4), many
The entirety that group water inlet pipe group (5), many groups regulation water inlet pipe group (6), many group outlet pipe groups and multiple shedding motion are formed；
5) entirety that step 4) is made is put in the stake holes excavated, before and after entirety, fill loaded filter (11)；
6) casting concrete molding in the entirety having filled loaded filter (11),
I.e. make the draining friction pile being automatically adjusted water level.
The construction method of a kind of draining friction pile being automatically adjusted water level the most according to claim 9, it is characterised in that:
In step 4), according to the mode of manually digging hole, then need the upper relevant position of steel form (3) and interior steel form (4) outside reserve into
Water and water outlet, aperture is slightly larger than water inlet pipe, the caliber of outlet pipe.
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| CN108661061A (en) * | 2018-06-07 | 2018-10-16 | 中铁二院工程集团有限责任公司 | Hinged joint opposite supporting type anchors pilework |
| CN109853591A (en) * | 2019-01-24 | 2019-06-07 | 石家庄铁道大学 | Drain friction pile and preparation method thereof |
| CN110700288B (en) * | 2019-10-17 | 2021-03-23 | 中国地质大学（武汉） | Method and system suitable for preventing and controlling deep drainage of landslide of hydrodynamic pressure type reservoir |
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| CN100535263C (en) * | 2007-12-28 | 2009-09-02 | 中国科学院水利部成都山地灾害与环境研究所 | Construction method for vertical prestressed anchor rope friction pile slope-sliding prevention and treatment |
| CN202787281U (en) * | 2012-09-12 | 2013-03-13 | 中铁第四勘察设计院集团有限公司 | Hydrophobic anti-slide structure |
| JP3181195U (en) * | 2012-11-05 | 2013-01-31 | 東洋鋼業株式会社 | Slope placement steps and slope placement steps |
| CN102953389B (en) * | 2012-11-07 | 2015-08-12 | 宁波大学 | A kind of slope supporting anchor draws antislide pile |
| CN202913416U (en) * | 2012-11-07 | 2013-05-01 | 宁波大学 | Drainage slide-resistant pile |
| JP5290461B1 (en) * | 2012-12-04 | 2013-09-18 | 矢作建設工業株式会社 | Slope reinforcement method |
| CN103266594A (en) * | 2013-05-21 | 2013-08-28 | 中南大学 | Slide-resistant pile |
| CN104389307A (en) * | 2014-12-08 | 2015-03-04 | 中铁西北科学研究院有限公司勘察设计分公司 | Self-resetting slide-resistant pile structure with energy consumption function and implementation method thereof |
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