CN207211165U - A kind of compound antiskid piling wall retaining structure suitable for reservoir stability - Google Patents

A kind of compound antiskid piling wall retaining structure suitable for reservoir stability Download PDF

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Publication number
CN207211165U
CN207211165U CN201721217764.1U CN201721217764U CN207211165U CN 207211165 U CN207211165 U CN 207211165U CN 201721217764 U CN201721217764 U CN 201721217764U CN 207211165 U CN207211165 U CN 207211165U
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China
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antiskid
retaining wall
pile
wall
reservoir stability
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王杰涛
刘亚洲
於李军
苏爱军
权锋
李德伟
尹先忠
饶学斌
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Wuhan Municipal Engineering Design and Research Institute Co Ltd
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Wuhan Municipal Engineering Design and Research Institute Co Ltd
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Abstract

It the utility model is related to a kind of compound antiskid piling wall retaining structure suitable for reservoir stability, including antiskid pile group and retaining wall, antiskid pile group be vertically arranged in retaining wall and reservoir stability it is domatic between and support block cob wall, and the upper end of antiskid pile group is fixedly connected with the bottom of retaining wall, the lower end of antiskid pile group is extended downwardly into the antiskid stratum being mounted in below reservoir stability slide strips.The utility model is by the way that antiskid pile group build-in is arranged in the antiskid stratum below reservoir stability sliding surface, stability against sliding requirement can be met, by the way of stake top gravity-type concrete retaining wall, the slip casting type antiskid pile group and pile peripheral earth for making bottom form one, and it is coupled with top gravity retaining wall, combined type antiskid piling wall is formed, good integrity, three-dimensional effect is optimized from structure makes stress more reasonable.

Description

A kind of compound antiskid piling wall retaining structure suitable for reservoir stability
Technical field
It the utility model is related to storehouse bank to paddle slope geological Way of Engineering Technology in Control of Underground field, more particularly to one kind is applied to The compound antiskid piling wall retaining structure of reservoir stability.
Background technology
China's construction of hydropower facilities horizontal position is at the forefront in the world, and such as built Three Gorges Projects are water conservancy pivots maximum in the world Knob, but us control flood, the good society such as generate electricity and also triggering while economic benefit exacerbates bringing for the hydraulic engineering such as Three Gorges The geological disaster of reservoir area, wherein reservoir bank slump are exactly one of most common Geological Hazard.Currently used reservoir stability is controlled Reason measure is how similar with mountain area side slope, such as cuts slope unloading, friction pile, retaining wall.Because reservoir stability is paddle side slope and water Position is changed greatly by reservoir filling position influence on system operation, when reservoir stability treatment range is located at below water level and slip mass (bank slump) depth When spending larger, need to implement below water level using the control measures such as slope unloading, friction pile, retaining wall are cut, in the prior art, base Hole excavation sealing difficulty is big, and cost is high and construction risk is big, therefore for reservoir stability especially highly permeable Rock And Soil storehouse bank Slope needs a kind of control measures efficiently, inexpensive.
Utility model content
Technical problem to be solved in the utility model is to be directed to above-mentioned the deficiencies in the prior art, there is provided a kind of globality Well, speed of application is fast, operation side is small, suitable for the compound anti-of side slope of paddling, particularly highly permeable Rock And Soil reservoir stability Sliding pile wall retaining structure.
The technical scheme that the utility model solves above-mentioned technical problem is as follows:A kind of compound antiskid suitable for reservoir stability Piling wall retaining structure, including antiskid pile group and retaining wall, the antiskid pile group are vertically arranged in the retaining wall and reservoir stability Between domatic and the retaining wall is supported, and the upper end of the antiskid pile group is fixedly connected with the bottom of the retaining wall, it is described The lower end of antiskid pile group is mounted in the antiskid stratum below reservoir stability slide strips.
The beneficial effects of the utility model are:Compound antiskid piling wall retaining structure of the present utility model, by by the cunning Pile group build-in is arranged in the antiskid stratum below reservoir stability slide strips, can meet stability against sliding requirement, using stake top weight The mode of power formula concrete retaining wall, makes the slip casting type antiskid pile group of bottom and pile peripheral earth forms one, and with top gravity Formula retaining wall is coupled, composition combined type antiskid piling wall, good integrity, and optimizing three-dimensional effect from structure makes stress more close Reason.In addition, structure construction is not required to excavate on a large scale, the mechanical execution scope of operation is small, and speed of application is fast, and security is good, especially should Harnessing project of suddenly speedily carrying out rescue work is more fast and reliable.The structure not only good economy performance, stress performance is good, and anti-slide performance is strong.
On the basis of above-mentioned technical proposal, the utility model can also do following improvement:
Further:The antiskid pile group includes multiple bored concrete piles and multiple rotary churning piles, the multiple bored concrete pile and multiple rotations The parallel staggered setting of stake is sprayed, the upper end of the multiple bored concrete pile extends upwardly into the retaining wall respectively, the multiple The top of rotary churning pile is fixedly connected with the bottom of the retaining wall, the lower end of the multiple bored concrete pile and multiple rotary churning piles respectively to Under be mounted in the antiskid stratum below reservoir stability slide strips, and the bored concrete pile be located at the sliding stratum length be more than it is described Rotary churning pile is located at the length in the antiskid stratum.
The above-mentioned further beneficial effect of scheme is:Composite foundation can be improved well by the bored concrete pile and rotary churning pile The integral rigidity of soil, in the antiskid stratum below the hill wash band of bored concrete pile depth embedded base bank, rotary churning pile stretches into reservoir stability cunning Pile quality with following guarantee bored concrete pile, three-dimensional effect is optimized from structure, makes stress more reasonable.
Further:The bored concrete pile is poured by H profile steel and cement mortar and is made, and the upper end of the H profile steel anchor into it is described In retaining wall, the lower end of the H profile steel is inserted into the antiskid stratum below the reservoir stability slide strips, the cement mortar Top is fixedly connected with the bottom of the retaining wall, and lower end is extended downwardly into the antiskid stratum below reservoir stability slide strips.
The above-mentioned further beneficial effect of scheme is:By the way that the upper end of the H profile steel is anchored into the retaining wall so that The bored concrete pile is firmly connected with the retaining wall, ensures the globality of compound antiskid piling wall supporting file, improves whole compound antiskid The stability of piling wall supporting file.
Further:The retaining wall is the composite steel-concrete structure made of steel reinforcement cage and concrete building stones pour, And the steel reinforcement cage is located at the reinforced concrete structure bottom, the upper end of the H profile steel extends upwardly into the armored concrete In structure, and the steel reinforcement cage is fixedly connected with the part that the H profile steel is stretched into the reinforced concrete structure.
The above-mentioned further beneficial effect of scheme is:By the way that the upper end of the H profile steel is extended upwardly into the reinforced concrete In soil structure, and the steel reinforcement cage and the H profile steel are stretched into the elongated full weld of reinforced concrete structure inner rim, make earth-retaining Wall can the company's of playing beam action, improve the integral rigidity of compound antiskid piling wall supporting file, and can presses to antiskid pile group, resist compared with Big Thrust of Landslide.
Further:The retaining wall outer surface is coated with water-repellent paint.
The above-mentioned further beneficial effect of scheme is:By coating water-repellent paint in the retaining wall outer surface, to ensure Retaining wall is not influenceed by the periodically immersion of storehouse water and underground water, is improved the corrosion resistance of the retaining wall, is strengthened the earth-retaining The structural stability of wall.
Further:The retaining wall is provided with multiple single slope drainage passages, and the multiple single slope drainage passage is along described The thickness direction array distribution of retaining wall simultaneously runs through the retaining wall, and the single slope drainage passage is set with horizontal direction in angle Put, and close Ku Qu one end of the single slope drainage passage is less than close to water source one end in reservoir stability.
The above-mentioned further beneficial effect of scheme is:, can be by reservoir stability by setting the single slope drainage passage Moisture is discharged into the canal of storehouse, during going up in storehouse water in a canal position, due to the one-way conduction performance of osculum, prevents storehouse channel water from entering The immersion to slide strips is caused to soften in slopes.
Further:The bottom of the retaining wall is provided with concrete cushion, and the steel reinforcement cage is located at the concrete cushion Top, the upper end of the H profile steel is stretched into the reinforced concrete structure after being upward through the concrete cushion, and the H Shaped steel is located at part and the steel reinforcement cage full weld in the reinforced concrete structure.
The above-mentioned further beneficial effect of scheme is:By setting the concrete cushion, it can be ensured that the friction pile Quality after group's perfusion effect and retaining wall shaping, further improve the stability of the retaining wall.
Brief description of the drawings
Fig. 1 is the compound antiskid piling wall retaining structure top view of the present utility model suitable for reservoir stability;
Fig. 2 is A-A structure sectional views in Fig. 1;
Fig. 3 is that the compound antiskid piling wall retaining structure of the present utility model suitable for reservoir stability administers reservoir bank landslide structure Schematic diagram;
Fig. 4 is B-B structure sectional views in Fig. 2.
In accompanying drawing, the list of parts representated by each label is as follows:
1st, antiskid pile group, 2, bored concrete pile, 3, retaining wall, 4, rotary churning pile, 5, cement mortar, 6, H profile steel, 7, steel reinforcement cage, 8, Concrete building stones, 9, waterproof coating layer, 10, concrete cushion, 11, waterline under reservoir stability, 12, reservoir stability slide strips, 13, Single slope drainage passage.
Embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality It is new, it is not intended to limit the scope of the utility model.
As Figure 1-4, a kind of compound antiskid piling wall retaining structure suitable for reservoir stability, including the He of antiskid pile group 1 Retaining wall 3, the antiskid pile group 1 be vertically arranged in the retaining wall 3 and reservoir stability it is domatic between and support the retaining wall 3, and the upper end of the antiskid pile group 1 is fixedly connected with the bottom of the retaining wall 3, the lower end of the antiskid pile group 1 is embedding downwards Gu in the antiskid stratum below reservoir stability slide strips.
Compound antiskid piling wall retaining structure of the present utility model, slided by the way that the sliding pile group build-in is arranged on into reservoir stability With stability against sliding requirement in following antiskid stratum, can be met, by the way of stake top gravity-type concrete retaining wall, make The slip casting type antiskid pile group of bottom forms one with pile peripheral earth, and is coupled with top gravity retaining wall, and composition combined type resists Sliding pile wall, good integrity, three-dimensional effect is optimized from structure makes stress more reasonable.In addition, structure construction is not required on a large scale Excavate, the mechanical execution scope of operation is small, and speed of application is fast, and security is good, and especially emergency repair harnessing project is more fast and reliable. The structure not only good economy performance, stress performance is good, and anti-slide performance is strong.
In the present embodiment, the antiskid pile group 1 includes multiple bored concrete piles 2 and multiple rotary churning piles 4, the multiple bored concrete pile 2 Staggered setting parallel with multiple rotary churning piles 4, the upper end of the multiple bored concrete pile 2 extend upwardly into the retaining wall 3 respectively Interior, the top of the multiple rotary churning pile 4 is fixedly connected with the bottom of the retaining wall 3, the multiple bored concrete pile 2 and multiple churnings The lower end of stake 4 is mounted in antiskid stratum of the reservoir stability slide strips below 12 separately down, and the bored concrete pile 2 is located at the cunning The length on stratum is more than the length that the rotary churning pile 4 is located at the antiskid stratum.Can be very by the bored concrete pile 2 and rotary churning pile 4 The good integral rigidity for improving composite foundation soil, in antiskid stratum of the depth embedded base bank hill wash band of bored concrete pile 2 below 12, rotation Reservoir stability slide strips ensure bored concrete pile pile quality below 12 is stretched into spray stake 4, and three-dimensional effect is optimized from structure, makes stress It is more reasonable.
In practice, a diameter of 150-200mm of the bored concrete pile 2, level interval 1-1.5m, and the bored concrete pile 2 Lower end is extended downwardly into antiskid stratum of the reservoir stability slide strips below 12, the above 0.5m above ground level of bored concrete pile 2, the filling The horizontal range noted between stake 2 and adjacent rotary churning pile 4 is 0.5m.
A diameter of 500mm of the rotary churning pile 4, often arrange in rotary churning pile 4 between the two neighboring rotary churning pile 4 it is horizontal away from From for 1-1.5m, the horizontal range between rotary churning pile 4 described in adjacent two row is 1.2-1.5m, and the rotary churning pile 4 extends downwardly into storehouse Depth in antiskid stratum of the bank hill wash band below 12 is 3-5m, and multiple rotary churning piles 4 are in quincunx distribution, described Rotary churning pile 4 uses substance pipe churning.
In the present embodiment, the bored concrete pile 2 is poured and is made by H profile steel 6 and cement mortar 5, and the upper end of the H profile steel 6 Anchor into the retaining wall 3, the lower end of the H profile steel 6 is inserted into antiskid stratum of the reservoir stability slide strips below 12, institute The top for stating cement mortar 5 is fixedly connected with the bottom of the retaining wall 3, and lower end extends downwardly into reservoir stability slide strips below 12 In antiskid stratum.By the way that the upper end of the H profile steel 6 is anchored into the retaining wall 3 so that the bored concrete pile 2 and the earth-retaining Wall 3 firmly connects, and ensures the globality of compound antiskid piling wall supporting file, improves the stability of whole compound antiskid piling wall supporting file.By Preceding description understands that the depth that the upper end of the H profile steel 6 is anchored into the retaining wall 3 is 0.5m, ensures compound antiskid piling wall branch The globality of shelves.
In the present embodiment, the retaining wall 3 is the composite reinforcing steel bar coagulation made of steel reinforcement cage 7 and concrete building stones 8 pour Soil structure, and the steel reinforcement cage 7 is located at the reinforced concrete structure bottom, the upper end of the H profile steel 6 extends upwardly into the steel In tendon concrete structure, and the steel reinforcement cage 7 is fixed with the part that the H profile steel 6 is stretched into the reinforced concrete structure and connected Connect.By the way that the upper end of the H profile steel 6 is extended upwardly into the reinforced concrete structure, and by the steel reinforcement cage 7 and the H Shaped steel 6 stretches into the elongated full weld of reinforced concrete structure inner rim, make retaining wall 3 can the company's of playing beam action, improve multiple The integral rigidity of antiskid piling wall supporting file is closed, and can presses to antiskid pile group 1, resists larger Thrust of Landslide.
In practice, the height of the steel reinforcement cage 7 is 700-1000mm, and the steel reinforcement cage 7 and the H types above ground level The elongated full weld in steel periphery.
Preferably, in the above-described embodiments, the outer surface of retaining wall 3 is coated with water-repellent paint 9.By in the earth-retaining The outer surface of wall 3 coats water-repellent paint 9, to ensure that retaining wall 3 is not influenceed by the periodically immersion of storehouse water and underground water, described in raising The corrosion resistance of retaining wall 3, strengthen the structural stability of the retaining wall 3.Here, the water-repellent paint is prevented for polymer cement Water paint.
Preferably, in the above-described embodiments, the retaining wall 3 is provided with multiple single slope drainage passages 13, the multiple list Thickness direction array distribution to drainage channel 13 along the retaining wall 3 simultaneously runs through the retaining wall 3, and the single slope drainage leads to Road 13 is set with horizontal direction in angle, and close Ku Qu one end of the single slope drainage passage 13 is less than in reservoir stability Water source one end.By setting the single slope drainage passage 13, moisture in reservoir stability can be discharged into the canal of storehouse, in storehouse water in a canal position During rise, due to the one-way conduction performance of osculum, prevent storehouse channel water enters in slopes from causing the immersion to slide strips soft Change.
In practice, along the distance between two neighboring described single slope drainage passage 13 in horizontal direction and along vertical The distance between two neighboring described single slope drainage passage 13 on direction is 2m, is led to setting the multiple single slope drainage Behind road 13, the retaining wall 3 is poured, forms the composite steel-concrete structure of concrete building stones 8.
Preferably, in the above-described embodiments, the bottom of the retaining wall 3 is provided with concrete cushion 10, the steel reinforcement cage 7 In the top of the concrete cushion 10, the steel is stretched into the upper end of the H profile steel 6 after being upward through the concrete cushion 10 In tendon concrete structure, and the H profile steel 6 is located at part and the full weld of steel reinforcement cage 7 in the reinforced concrete structure.It is logical Cross and the concrete cushion 10 is set, it can be ensured that the quality after the perfusion effect of antiskid pile group 1 and retaining wall 3 shaping, Further improve the stability of the retaining wall 3.Here, the thickness of the concrete cushion 10 is 100mm, and is mixed using C20 Solidifying soil padding.
In practice, the construction of the compound antiskid piling wall retaining structure suitable for reservoir stability is as follows:In reservoir stability The edge of slide strips 12 is vertically arranged antiskid pile group 1;Concrete cushion 10 is set in the upper end of the antiskid pile group 1 so that described The upper end of bored concrete pile 2 is stretched into reinforced concrete structure after being upward through the concrete cushion 10, then by colligation it is good described in The part full weld that steel reinforcement cage 7 is stretched into the reinforced concrete structure with bored concrete pile 2.After concrete stone material 8 is poured so that institute The upper end for stating rotary churning pile 4 is fixedly connected with the bottom of the retaining wall 3, carries out formwork in the periphery of steel reinforcement cage 7, and pour mixed Solidifying earth and stone material 8, forms retaining wall 3;Waterproof coating layer 9 is coated in the outer surface of the retaining wall 3, completes construction.
Wherein, set the Specific construction of antiskid pile group 1 as follows:In a row it is arranged at intervals in the edge of reservoir stability slide strips 12 more Individual rotary churning pile 4;Between the edge of reservoir stability slide strips 12 uses mechanical pipe-following drilling, formation and the churning to live 4 staggeredly Every the drilling of setting, and it is downwardly into each drilling in H profile steel 6 to the antiskid stratum, and the H profile steel 6 Top is basseted, and carries out slip casting twice in succession to each drilling, and the H profile steel 6 is inlayed and is fixed on the storehouse bank Corresponding to side slope slide strips 12 in the drilling, bored concrete pile 2 is formed, and the bored concrete pile 2 and the rotary churning pile 4 are parallel staggered It is arranged in antiskid stratum of the reservoir stability slide strips below 12, and the bored concrete pile 2 is located at the length on the antiskid stratum More than the length that the rotary churning pile 4 is located at the antiskid stratum.
As shown in figure 3, in practice, tested according to the method described above.In certain reservoir area of Three Gorges reservoir stability, Rock And Soil master To be that stone containing block backfills gravelly sand and completely weathered granite, bank ruin prediction width 59.6-74.6m, jeopardize building on the top of slope thing safety, need Administered, storehouse bank major part treatment range is located at the bottom of 175m reservoir levels line 11.Using above-mentioned compound antiskid piling wall supporting and retaining system knot Structure is as side slope primary abatement means, using H profile steel 6 built in bored concrete pile, the rotary churning pile 4 of setting high pressure, stake top gravity type between stake The mode of concrete retaining wall 3, makes the slip casting type antiskid pile group 1 of bottom and pile peripheral earth forms one, and with top gravity type Retaining wall 3 is coupled, and forms combined type antiskid piling wall supporting file.Rotary churning pile 4 can be well between the secondary high-pressure slip-casting of bored concrete pile 2 and stake The integral rigidity of composite foundation soil is improved, the depth embedded base bank hill wash band of bored concrete pile 2 is below 12 in antiskid stratum, high pressure between stake Rotary churning pile 4 go deep into reservoir stability slide strips 3-5m below 12, three-dimensional effect is optimized from structure makes stress more reasonable.Gravity Formula retaining wall 3 is the compound masonry structure of concrete building stones 8, and being connected by stake top H profile steel 6 with steel reinforcement cage 7 makes retaining wall 3 can The company's of playing beam action, the integral rigidity of compound antiskid piling wall supporting file is improved, and can presses to antiskid pile group 1, resists larger Thrust of Landslide, and the outside coating polymer cement waterproof paint of retaining wall 3, wall body lay single slope drainage hole 13, make retaining wall 3 not Influenceed by the periodically immersion of storehouse water and underground water.
After the completion of construction, the structural representation of the compound antiskid piling wall supporting file of a portion is as shown in figure 3, and prior art Compare, the present embodiment beneficial effect is:Structure construction is not required to excavate on a large scale, and the mechanical execution scope of operation is small, and speed of application is fast, Security is good, and especially emergency repair harnessing project is more fast and reliable.The structure not only good economy performance, stress performance is good, and And anti-slide performance is strong.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in Within the scope of shield.

Claims (7)

  1. A kind of 1. compound antiskid piling wall retaining structure suitable for reservoir stability, it is characterised in that:Including antiskid pile group (1) and gear Cob wall (3), the antiskid pile group (1) be vertically arranged in the retaining wall (3) and reservoir stability it is domatic between and support the gear Cob wall (3), and the upper end of the antiskid pile group (1) is fixedly connected with the bottom of the retaining wall (3), the antiskid pile group (1) Lower end be mounted in the antiskid stratum of reservoir stability slide strips (12) below.
  2. 2. the compound antiskid piling wall retaining structure according to claim 1 suitable for reservoir stability, it is characterised in that:It is described Antiskid pile group (1) includes multiple bored concrete piles (2) and multiple rotary churning piles (4), the multiple bored concrete pile (2) and multiple rotary churning piles (4) Parallel staggered setting, the upper end of the multiple bored concrete pile (2) extends upwardly into the retaining wall (3) respectively, described more The top of individual rotary churning pile (4) is fixedly connected with the bottom of the retaining wall (3), the multiple bored concrete pile (2) and multiple rotary churning piles (4) lower end is mounted in the antiskid stratum of reservoir stability slide strips (12) below separately down, and the bored concrete pile (2) is located at institute State the length in antiskid stratum and be more than the length that the rotary churning pile (4) is located in the antiskid stratum.
  3. 3. the compound antiskid piling wall retaining structure according to claim 2 suitable for reservoir stability, it is characterised in that:It is described Bored concrete pile (2) is poured and is made by H profile steel (6) and cement mortar (5), and the upper end of the H profile steel (6) anchors into the retaining wall (3) in, the lower end of the H profile steel (6) is inserted into the antiskid stratum of the reservoir stability slide strips (12) below, the cement bonded sand Slurry (5) top be fixedly connected with the bottom of the retaining wall (3), lower end extend downwardly into reservoir stability slide strips (12) below resist In sliding stratum.
  4. 4. the compound antiskid piling wall retaining structure according to claim 3 suitable for reservoir stability, it is characterised in that:It is described Retaining wall (3) is the composite steel-concrete structure made of steel reinforcement cage (7) and concrete building stones (8) pour, and the reinforcing bar Cage (7) is located at the reinforced concrete structure bottom, and the upper end of the H profile steel (6) extends upwardly into the reinforced concrete structure It is interior, and the steel reinforcement cage (7) is fixedly connected with the part that the H profile steel (6) is stretched into the reinforced concrete structure.
  5. 5. the compound antiskid piling wall retaining structure according to claim 4 suitable for reservoir stability, it is characterised in that:It is described Retaining wall (3) outer surface is coated with waterproof coating layer (9).
  6. 6. the compound antiskid piling wall retaining structure according to claim 5 suitable for reservoir stability, it is characterised in that:It is described Retaining wall (3) is provided with multiple single slope drainage passages (13), and the multiple single slope drainage passage (13) is along the retaining wall (3) Thickness direction array distribution and run through the retaining wall (3), the single slope drainage passage (13) sets with horizontal direction in angle Put, and close Ku Qu one end of the single slope drainage passage (13) is less than close to water source one end in reservoir stability.
  7. 7. the compound antiskid piling wall retaining structure according to claim 6 suitable for reservoir stability, it is characterised in that:It is described The bottom of retaining wall (3) is provided with concrete cushion (10), and the steel reinforcement cage (7) is located at the top of the concrete cushion (10), The upper end of the H profile steel (6) is stretched into the reinforced concrete structure after being upward through the concrete cushion (10), and described H profile steel (6) is located at part and the steel reinforcement cage (7) full weld in the reinforced concrete structure.
CN201721217764.1U 2017-09-21 2017-09-21 A kind of compound antiskid piling wall retaining structure suitable for reservoir stability Active CN207211165U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111021403A (en) * 2019-12-26 2020-04-17 河北建太工程设计有限公司 Road barricade bank protection

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111021403A (en) * 2019-12-26 2020-04-17 河北建太工程设计有限公司 Road barricade bank protection

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