CN107700500B - Slope retaining structure and slope supporting drain integral system - Google Patents
Slope retaining structure and slope supporting drain integral system Download PDFInfo
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- CN107700500B CN107700500B CN201710828674.4A CN201710828674A CN107700500B CN 107700500 B CN107700500 B CN 107700500B CN 201710828674 A CN201710828674 A CN 201710828674A CN 107700500 B CN107700500 B CN 107700500B
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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
- E02D5/02—Sheet piles or sheet pile bulkheads
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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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- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The present invention relates to a kind of slope retaining structure and slope supportings to drain integral system, wherein slope retaining structure includes: to be embedded in the rock-soil layer of side slope using the pile foundation component as support base；It is carried on the pile foundation component and is tightly fixed on the flexible reinforcement local soil type part of rock-soil layer, the slopes for being used to support side slope by compacted soil lamination；And it is carried on screening assembly of the pile foundation component for stopping flexible reinforcement local soil type part and the compacting soil layer to glide.Pile foundation component has greater stiffness, and bending resistance, shear-carrying capacity are big, can bear biggish load, and malformation is small, therefore stability with higher, and flexible reinforcement local soil type part adapts to biggish deformation, anti-seismic performance is also preferable with stronger elastic and toughness；During supporting, pile foundation component is fixed on rock-soil layer and is formed in stable support structure, and flexible reinforcement local soil type part adapts to soil layer and the deformation of adaptability occurs, so that side slope forms stable and firm supporting.
Description
Technical field
The present invention relates to slope retaining technical fields, more specifically, it relates to a kind of slope retaining structure and side slope branch
Gear draining integral system.
Background technique
With the high speed development of engineering construction and the growing tension of engineering land used, in highway, railway, water conservancy, municipal administration and live
In the development & construction of residence cell, the vertical side slope of a large amount of high roadbed, and the height of usually vertical supporting are all inevitably encountered
In 15m or more.
Not only security risk is high for the vertical side slope of high roadbed, and construction cost is big, according to " building slope engineering technology is advised
Model " (GB50330-2013) regulation, Gravity Retaining Wall is adapted to the side slope of height 10m or less and top of the slope without important building；
The supporting and retaining system height of armored concrete counterfort wall is also no more than 10m；The height of lattice anchored bolt retaining wall no more than 15m and
Relatively it is suitable for execavated rockmass, is not suitable for rectilinear embankment side slope；Can be used in specification be more than 15m vertical tall earth fill
It is the board-like barricade of anchorage pile.
In the board-like barricade of anchorage pile, supporting construction is tensed to realize firm support, due to the big portion of anchor cable by anchor cable
Dividing is constructed in banketing, and is influenced by execution conditions and Rock Conditions, and anchor cable corrodes vulnerable to ground and reduces structural strength, together
When, the Rock Conditions of tall earth fill can not provide anchor cable enough anchor forces, so that easily causing the long-term creep of anchor cable causes
Supporting construction displacement deformation is excessive, it is difficult to meet the requirement of engineering long-term safety.
Summary of the invention
In view of the deficienciess of the prior art, the embodiment of the present invention is designed to provide a kind of slope retaining structure and side
Slope supporting and retaining system drains integral system, it is intended to solve the disadvantage of existing supporting construction supporting intensity deficiency.
In a first aspect, the present embodiments relate to a kind of slope retaining structures, comprising:
The rock-soil layer of side slope is embedded in using the pile foundation component as support base；
It is carried on the pile foundation component and rock-soil layer, the slopes for being used to support side slope is tightly fixed on by compacted soil lamination
Flexible reinforcement local soil type part；And
It is carried on barrier of the pile foundation component for stopping flexible reinforcement local soil type part and the compacting soil layer to glide
Component.
Realize above-mentioned technical proposal, the support construction based on pile foundation component, with greater stiffness, and it is bending resistance, anti-
It is big to cut bearing capacity, biggish load can be born, malformation is small, therefore stability with higher, flexible reinforcement local soil type part tool
There are stronger elasticity and toughness, adapt to biggish deformation, anti-seismic performance is also preferable, and screening assembly will be compacted soil layer and flexibility
Reinforced earth assemblies block, so that pile foundation component and flexible reinforcement local soil type part, which organically combine, forms stable supporting construction；It is propping up
During shield, pile foundation component is fixed on rock-soil layer and is formed in stable support structure, and flexible reinforcement local soil type part adapts to
Soil layer and the deformation that adaptability occurs, so that side slope forms stable and firm supporting.
With reference to first aspect, in the first mode in the cards, the pile foundation component includes:
More are embedded in side of the rock-soil layer of side slope close to bottom of slope and the first support stake along the arrangement of slopes extending direction；
And
The first apical cap beam being fixed between the adjacent first support stake；
Flexible reinforcement local soil type part includes:
The vertically arranged flexible reinforced grating layer of multilayer；And
It is filled in the filling soil layer that the reinforced grating layer is compressed between the adjacent reinforced grating layer, the compacted soil
Layer is filled in the gap location formed between the pile foundation component and flexible reinforcement local soil type part and slopes；
The screening assembly include be carried between the adjacent first support stake, for stopping the compacting soil layer
One barrier portion；And
The first apical cap beam is carried on for stopping the second barrier portion of flexible reinforcement local soil type part.
Realize above-mentioned technical proposal, the first support stake and the first apical cap beam form integrated pile foundation component, for entire branch
Protection structure provides stable support force；Geotextiles have stronger toughness and elasticity, and by being compacted soil layer for reinforced grating
Layer, pile foundation component are connected with stability of slope, realize the support action of pile foundation component and flexible reinforcement local soil type part；First barrier portion and
Second barrier portion will be compacted soil layer and the barrier of flexible reinforcement local soil type part, keep the globality of supporting construction stronger, and will not collapse
The phenomenon that collapsing.
The first mode in the cards with reference to first aspect, in second of mode in the cards, the pile foundation group
Part further include:
Second support stake of the more rock-soil layers for being embedded in side slope, the second support stake and the first support stake are one by one
It is corresponding；
It is fixed on the second apical cap beam between the adjacent second support stake；And
It is located between the first support stake and the second support stake for connecting the first support stake and described
The coupling beam of second support stake.
Realize above-mentioned technical proposal, the second support stake is connected with each other by the second apical cap beam, and passes through coupling beam and first
It supports stake to be connected with each other, to further improve the support and bearing capacity of pile foundation component.
Second of scheme in the cards with reference to first aspect, in the third scheme in the cards, described second
Oblique pull beam is additionally provided between support stake and the coupling beam or between the first support stake and the coupling beam.
Realize above-mentioned technical proposal, oblique pull chain, the second support stake and coupling beam or oblique pull chain, the first support stake and coupling beam are formed
The rock-steady structure of triangle further improves the support and bearing capacity of pile foundation component.
The first mode in the cards with reference to first aspect, or second of side in the cards with reference to first aspect
Formula, or the third mode in the cards with reference to first aspect, in the 4th kind of mode in the cards, the reinforced grating
Layer includes upper geogrids layer and lower geogrids layer, and the deformability of the upper geogrids layer is less than the lower TGXG
The deformability of layer.
Realize above-mentioned technical proposal, lower geogrids layer intensity is high, deformation is small, has good stress performance；And upper soil
Work grid layer can play the role of reinforcement to the soil body and improve soil capability, and can obtain preferable economic effect.
4th kind of mode in the cards with reference to first aspect, in the 5th kind of mode in the cards, the upper geotechnique
Grid layer is shorter than the lower geogrids layer.
It realizes above-mentioned technical proposal, flexible reinforcement local soil type part is allowed more to adapt to the distribution of compacting earth pressure.
The first mode in the cards with reference to first aspect, or second of side in the cards with reference to first aspect
Formula, or the third mode in the cards with reference to first aspect, in the 6th kind of mode in the cards, first apical cap
It is located at second barrier portion on beam and is equipped with cantilever mast away from the side of slopes, and the top of second barrier portion and described outstanding
The top of arm column is equipped with capping beam.
Realize above-mentioned technical proposal, capping beam and cantilever mast further enhance the structural strength of the second barrier portion.
Second of mode in the cards with reference to first aspect, in the 7th kind of mode in the cards, first top
It is heavy that crown beam, the second apical cap beam, the first barrier portion, the second barrier portion and the capping beam are formed in scheduled interval apart
Expansion joint is dropped, is filled with pitch loose hemp fiber in the sedimentation expansion joint.
It realizes above-mentioned technical proposal, so that the variation that supporting construction can adapt to temperature generates deformation, avoids the production in crack
It is raw.
Second aspect, the present embodiments relate to a kind of slope supportings to drain integral system, comprising:
Slope retaining structure described in above-mentioned technical proposal；And
More are embedded in the compacting soil layer and pass through the drainpipe of the screening assembly.
It realizes above-mentioned technical proposal, supporting construction is discharged for the moisture in soil layer is compacted by drainpipe, to reduce branch
The phenomenon that protection structure causes structural strength to become smaller because of the erosion of moisture.
In conjunction with second aspect, in the first mode in the cards, first barrier portion and second barrier portion
On be equipped with multiple drain holes, and be equipped with reverse osmosis packet at each drain hole.
By using above-mentioned technical proposal, discharging capacity is further improved by drain hole, and reverse osmosis packet can be reduced
The reverse osmosis of outside moisture.
In conclusion the invention has the following advantages:
The embodiment of the present invention drains integral system by providing a kind of slope retaining structure and slope supporting, wherein side
Slope supporting construction includes: to be embedded in the rock-soil layer of side slope using the pile foundation component as support base；It is carried on the pile foundation component
And the flexible reinforcement local soil type part of rock-soil layer, the slopes for being used to support side slope is tightly fixed on by compacted soil lamination；And it is carried on
The screening assembly that the pile foundation component is used to that flexible reinforcement local soil type part and the compacting soil layer to be stopped to glide.Pile foundation component is made
Based on support construction, with greater stiffness, and bending resistance, shear-carrying capacity are big, can bear biggish load, malformation
It is small, therefore stability with higher, flexible reinforcement local soil type part have stronger elasticity and toughness, adapt to biggish deformation,
Anti-seismic performance is also preferable, and screening assembly will be compacted soil layer and flexible reinforcement soil assemblies block, so that pile foundation component and flexibility add
Muscle local soil type part organically combines and forms stable supporting construction；During supporting, pile foundation component is fixed on rock-soil layer simultaneously
Being formed is in stable support structure, and flexible reinforcement local soil type part adapts to soil layer and the deformation of adaptability occurs, thus opposite side domatic
At stable and firm supporting.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the embodiment of the present invention one；
Fig. 2 is the structural schematic diagram of one pile foundation component and the first barrier portion of the embodiment of the present invention；
Fig. 3 is the arrangement schematic diagram of flexible reinforcement local soil type part in the embodiment of the present invention one；
Fig. 4 is the structural schematic diagram of the embodiment of the present invention two；
Fig. 5 is the structural schematic diagram of drainpipe, the first barrier portion, drain hole and reverse osmosis packet in the embodiment of the present invention two；
Fig. 6 is the structural schematic diagram of two pile foundation component of the embodiment of the present invention, the first barrier portion and drainpipe.
In figure: 11, the first support stake；12, the first apical cap beam；13, the second support stake；14, the second apical cap beam；15, coupling beam；
16, oblique pull beam；2, flexible reinforcement local soil type part；21, reinforced grating layer；211, upper geogrids layer；212, lower geogrids layer；
22, soil layer is filled；31, the first barrier portion；32, the second barrier portion；33, cantilever mast；34, capping beam；4, it is compacted soil layer；5, it drains
Pipe；6, drain hole；7, reverse osmosis packet.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Embodiment one: a kind of slope retaining structure, as shown in Figure 1, comprising: be embedded in the rock-soil layer of side slope using as support
The pile foundation component of pedestal；It is carried on pile foundation component and is fixed the slope in rock-soil layer, being used to support side slope by being compacted soil layer 4
The flexible reinforcement local soil type part 2 of body；And the pile foundation component is carried on for stopping flexible reinforcement local soil type part 2 and described
It is compacted the screening assembly that soil layer 4 glides.
Specifically, the pile foundation component includes: the more rock-soil layers for being embedded in side slope close to the side of bottom of slope and along slopes
First support stake 11 of extending direction arrangement；It is fixed on the first apical cap beam 12 between adjacent first support stake 11；More are embedded in
Second support stake 13 of the rock-soil layer of side slope, the second support stake 13 and the first support stake 11 correspond；It is fixed on adjacent second
Support the second apical cap beam 14 between stake 13；It is located between the first support stake 11 and the second support stake 13 for connecting the first support
The coupling beam 15 of stake 11 and the second support stake 13；And be set between the second support stake 13 and coupling beam 15 or first support stake
Oblique pull beam 16 between 11 and coupling beam 15.
First support stake 11 and the second support stake 13 are deposited reinforced concrete pile, and stake section is rectangle or circle, stake
When section is rectangle, short side is not less than 1.2m, and when stake section is round, diameter is not less than 1.2m, the first support 11 He of stake
The height of second support stake 13 is the 2/5~1/2 of slope height, and the first support stake 11 and second supports stake 13 in the present embodiment
Height is the 1/2 of slope height, and the spacing between the second support stake 13 of adjacent two first supports stake 11 is 4~6m, this implementation
It is 5m in example, the spacing between the first support stake 11 and the second support stake 13 is 5~8m, is 6m, the first support in the present embodiment
The building-in depth of stake 11 and the second support stake 13 is the 1/3~2/3 of slope retaining height, and the present embodiment is slope retaining height
1/3；When building the first support stake 11 and the second support stake 13, the mode pore-forming of manually digging hole or rotary digging is first passed through, it is every to dig one
Section pours a section retaining wall, to ensure safety when manual work, is placed in steel reinforcement cage casting concrete pile, and coagulation again after pore-forming
The strength grade of soil is not less than C25, i.e. characteristic value of cubic concrete compressive strength fcu, k=25N/mm2 ultimately forms stabilization
Firm support stake.
First apical cap beam 12, the second apical cap beam 14, coupling beam 15 and oblique pull beam 16 are reinforced concrete structure, and using existing
The mode poured forms, and the strength grade of concrete be not less than C25, the first apical cap beam 12, the second apical cap beam 14, coupling beam 15 and tiltedly
Straining beam 16 and the first support stake 11, second are supported to anchor into mutually by reinforcing bar between stake 13 and be formed a fixed connection, and are finally made
First support stake 11, second supports stake 13, the first apical cap beam 12, the second apical cap beam 14, coupling beam 15 and oblique pull beam 16 to be connected with each other
Form integral structure.
In transverse direction, the first support stake 11 and the second support stake 13 are connected by coupling beam 15 and oblique pull beam 16, and formation one super
The lateral stability structure of static determinacy；On longitudinal direction, is connected between adjacent first support stake 11 by the first apical cap beam 12, is second adjacent
It supports and is connected between stake 13 by the second apical cap beam 14, form the frame structure of a multispan, and move towards the multiple of arrangement along side slope
Lateral stability structure and multiple longitudinal framing structures are connected two-by-two in length and breadth, and the supporting construction of a spatial stability is consequently formed, real
The stabilization supporting of existing side slope.
Flexible reinforcement local soil type part 2 includes: the flexible reinforced grating layer 21 of vertically arranged multilayer；And it is filled in
Compress the filling soil layer 22 of reinforced grating layer 21 between adjacent reinforced grating layer 21, compacting soil layer 4 be filled in pile foundation component and
The gap location formed between flexible reinforcement local soil type part 2 and slopes.
Specifically, reinforced grating layer 21 includes upper geogrids layer 211 and lower geogrids layer 212, upper geogrids layer
211 deformability is less than the deformability of lower geogrids layer 212；Lower geogrids layer 212 is small using high-intensitive and deformation
Steel mould direction earthwork grille, steel plastic geogrid tensile strength be 80~150kN/m, nominal strength elongation≤3%, band
Crosspoint limit peeling force >=500N, single strip width >=17mm, single strip thickness 2mm, mesh size≤110 × 180mm,
Every square metre of quality is not less than 800g, thus has good stress performance；Upper geogrids layer 211 then uses the two-way soil of warp knit
Work grid, warp knitting geogrid tensile strength are 30~80kN/m, nominal strength elongation≤8%, the removing of the band crosspoint limit
Power >=200N, single strip width >=17mm, single strip thickness 2.0mm, mesh size≤110 × 180mm, every square metre of quality
Not less than 300g, it can mainly play reinforcement to the soil body and improve soil capability, and preferable economic effect can be obtained；Together
When, in order to adapt to the regularity of distribution feature of compacting 4 pressure size of soil layer, reinforced grating layer 21 uses the arrangement side of upper short lower length
Formula.
Upper geogrids layer 211 and lower geogrids layer 212 are laid with multilayer, the spacing between every layer along the vertical direction
For 30~50cm, the present embodiment example uses 40cm；It is first that the paved surface compacting of TGXG is smooth when laying, to be laid
After geo-grid material is qualified by inspection, white line or hanging wire are marked to prevent longitudinal skew occurs by breadth in geo-grid material
The phenomenon that, it can start to be laid with, it is every meter wide to use nail 4 then with the U-shaped end for following closely fixed TGXG, and uniformly distance is solid
It is fixed, then TGXG is slowly drawn forward with laydown machine or manual method and is spread, the 10 meters of progress pedestrian's work straightening of every paving are primary, until
Final be laid with is completed；Compacting soil layer 4 using have the gravelly soil of certain gradation, sandy soil or in low-liquid-limit cohesive soil, and be compacted
Must not have in soil layer 4 and freeze block, organic material and house refuse, every one layer of TGXG of laying tamps a lamination reality soil layer 4, is compacted
For soil layer 4 by the stringent compaction in layers of TGXG, lift height is 30~50cm, uses 40cm in the present embodiment, that is, ensure that phase
Spacing between adjacent TGXG is 40cm, and the compacted soil between adjacent TGXG constitutes filling soil layer 22, and
Its compacting factor >=0.93.
Screening assembly include be carried on it is adjacent first support stake 11 between, for stops compacting soil layer 4 the first barrier portion
31；And the first apical cap beam 12 is carried on for stopping the second barrier portion 32 of flexible reinforcement local soil type part 2；Specifically, first every
Stopper 31 and the second barrier portion 32 are the breast boards being made of armored concrete, and the first barrier portion 31 and the second barrier portion 32 are adopted
It is formed with cast-in-place form, and the strength grade of concrete is not less than C25, between the first barrier portion 31 and the first support stake 11,
Fixation is anchored into mutually by reinforcing bar between second barrier portion 32 and the first apical cap beam 12, to form stable soil-baffling structure.
In order to further increase the intensity of screening assembly, it is located at the second barrier portion 32 on the first apical cap beam 12 and deviates from slopes
Side be equipped with cantilever mast 33, and the top of the second barrier portion 32 and the top of cantilever mast 33 are equipped with capping beam 34, cantilever mast 33
In up-narrow and down-wide trapezoidal shape, to have preferable support effect, cantilever mast 33 and capping beam 34 are armored concrete knot
Structure is formed using cast-in-place form, and the strength grade of concrete is not less than C25, and cantilever mast 33 and the first barrier portion 31 it
Between, between capping beam 34 and the first barrier portion 31, between cantilever mast 33 and capping beam 34 fixation is anchored into mutually by reinforcing bar.
In order to make pile foundation component have certain telescopic deformation ability to adapt to the variation of temperature, the first apical cap beam 12,
It is heavy that second apical cap beam 14, the first barrier portion 31, the second barrier portion 32 and capping beam 34 are formed in scheduled interval apart
Expansion joint is dropped, and is filled with pitch loose hemp fiber in sedimentation expansion joint, settles the usually wide 3cm in expansion joint, and adjacent sedimentation expansion joint
Between at a distance of 30~40m, at a distance of 35m in the present embodiment, so that entire supporting construction can follow the variation of temperature along level side
To the deformation for generating adaptability, the generation in crack is avoided.
Support construction based on pile foundation component, with greater stiffness, and bending resistance, shear-carrying capacity are big, can bear
Biggish load, malformation is small, therefore stability with higher, and flexible reinforcement local soil type part 2 has stronger elastic and tough
Property, biggish deformation is adapted to, anti-seismic performance is also preferable, and screening assembly will be compacted soil layer 4 and flexible reinforcement local soil type part 2 hinders
Gear, so that pile foundation component and flexible reinforcement local soil type part 2 organically combine and form stable supporting construction；During supporting,
Pile foundation component is fixed on rock-soil layer and is formed in stable support structure, and flexible reinforcement local soil type part 2 adapts to soil layer and occurs
The deformation of adaptability, so that side slope forms stable and firm supporting.
Embodiment two:
A kind of slope supporting draining integral system, comprising: slope retaining structure described in embodiment one；And more
It is embedded in compacting soil layer 4 and passes through the drainpipe 5 of screening assembly；Specifically, offering through-hole in the first barrier portion 31, drain
5 grafting of pipe is arranged in through-holes and diagonally downward, and tilt angle is 5-10 °, is 10 ° in the present embodiment, drainpipe 5 is using three-dimensional
Porous flexible porous tube, water-permeable pipe supports tube body by antirust steel rim of spring from inside to outside, so that the soft structure of high resistance to compression is formed,
It is bonded with non-woven fabrics on the inside of tube body to filter as liner, is arranged with polypropylene fiber silk outside tube body, 5 diameter of drainpipe is 80~
120mm, the present embodiment 100mm, and coefficient of permeability >=0.02cm/sec, so that drainpipe 5 is with preferable comprehensive
Pervious function.
It is equipped with multiple drain holes 6 in the first barrier portion 31 and the second barrier portion 32, and is all provided at each drain hole 6
There is reverse osmosis packet 7；Drain hole 6 is the preformed hole in the first barrier portion 31 and the second barrier portion 32, and is arranged diagonally downward, aperture
For 100mm, it is 2m in the present embodiment, filling out for drain hole 6 is arranged in reverse osmosis packet 7 that the spacing between adjacent drain hole 6, which is 2~3m,
Native side, the diameter of reverse osmosis packet 7 about 500mm are wrapped up using permeable non-woven geotextile, and it is internal load the good coarse sand of gradation and
Gravel, non-woven geotextile mass area ratio are not less than 300g/m2, and tearing strength is not less than 400N, and reverse osmosis packet 7 is rammed by clay
It is fixed on the first barrier portion 31 and the second barrier portion 32 in fact, sluicing energy is further improved by setting drain hole 6 and reverse osmosis packet 7
Power, and reverse osmosis packet 7 can reduce the reverse osmosis of outside moisture；It will be compacted in soil layer 4 by drainpipe 5, drain hole 6 and reverse osmosis packet 7
Moisture be discharged supporting construction, to reduce the phenomenon that supporting construction causes structural strength to become smaller because of the erosion of moisture.
In the above-described embodiments, it emphasizes particularly on different fields to the description of each embodiment, there is no the part being described in detail in some embodiment,
Reference can be made to the related descriptions of other embodiments.
It should be noted that for the various method embodiments described above, for simple description, therefore, it is stated as a series of
Combination of actions, but those skilled in the art should understand that, the present invention is not limited by the sequence of acts described because
According to the present invention, certain steps sequentially or may be carried out simultaneously using other.Secondly, those skilled in the art should also know
It knows, the embodiments described in the specification are all preferred embodiments, the actions and modules being related to not necessarily this hair
Necessary to bright.
In several embodiments provided herein, it should be understood that disclosed device, it can be real in other way
It is existing.For example, the apparatus embodiments described above are merely exemplary, such as the division of said units, only one kind is patrolled
Volume function division, there may be another division manner in actual implementation, such as multiple units or components can combine or can be with
It is integrated into another system, or some features can be ignored or not executed.Another point, it is shown or discussed mutual
Coupling or communication connection can be through some interfaces, and the indirect coupling or communication connection between device or unit can be electricity
Letter or other forms.
Above-mentioned unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, and without limiting it；Although reference
The present invention will be described in detail for previous embodiment, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (5)
1. a kind of slope retaining structure characterized by comprising be embedded in the rock-soil layer of side slope using the pile foundation as support base
Component；
It is carried on the pile foundation component and is fixed by being compacted soil layer (4) in rock-soil layer, the slopes for being used to support side slope
Flexible reinforcement local soil type part (2)；And the pile foundation component is carried on for stopping flexible reinforcement local soil type part (2) and described
It is compacted the screening assembly that soil layer (4) glide；
The pile foundation component includes: the more rock-soil layers for being embedded in side slope close to the side of bottom of slope and arranges along slopes extending direction
First support stake (11)；And it is fixed on the first apical cap beam (12) between adjacent first support stake (11)；More are buried
Set on the second support stake (13) of the rock-soil layer of side slope, second support stake (13) and the first support stake (11) one are a pair of
It answers；It is fixed on the second apical cap beam (14) between adjacent second support stake (13)；And it is located at the first support stake
(11) stake (13) are supported for connecting first support stake (11) and described second between second support stake (13)
Coupling beam (15)；
The screening assembly includes being carried between adjacent first support stake (11), for stopping the compacting soil layer (4)
The first barrier portion (31)；And the first apical cap beam (12) is carried on for stopping flexible reinforcement local soil type part (2)
Second barrier portion (32)；It is located at second barrier portion (32) on the first apical cap beam (12) away from the side of slopes equipped with outstanding
Arm column (33), and the top of second barrier portion (32) and the top of the cantilever mast (33) are equipped with capping beam (34)；It is described
It is also set between second support stake (13) and the coupling beam (15) or between first support stake (11) and the coupling beam (15)
There are oblique pull beam (16)；The building-in depth of first support stake (11) and the second support stake (13) is the 1/3~2/ of slope retaining height
3；
Flexible reinforcement local soil type part (2) includes: the flexible reinforced grating layer (21) of vertically arranged multilayer；And it fills out
Fill the filling soil layer (22) that the reinforced grating layer (21) is compressed between the adjacent reinforced grating layer (21), the compacting
Soil layer (4) is filled in the gap location formed between the pile foundation component and flexible reinforcement local soil type part (2) and slopes；
The reinforced grating layer (21) includes upper geogrids layer (211) and lower geogrids layer (212), the lower TGXG
The deformability of layer (212) is less than the deformability of the upper geogrids layer (211).
2. slope retaining structure according to claim 1, which is characterized in that the upper geogrids layer (211) is shorter than institute
State lower geogrids layer (212).
3. slope retaining structure according to claim 1, which is characterized in that the first apical cap beam (12), the second apical cap
Beam (14), the first barrier portion (31), the second barrier portion (32) and the capping beam (34) are formed at a distance of scheduled interval
There is sedimentation expansion joint, is filled with pitch loose hemp fiber in the sedimentation expansion joint.
4. a kind of slope supporting drains integral system, which is characterized in that including side described in claims 1 to 3 any one
Slope supporting construction；And more be embedded in it is described compacting soil layer (4) and pass through the screening assembly drainpipe (5).
5. slope supporting according to claim 4 drains integral system, which is characterized in that first barrier portion (31)
It is equipped with multiple drain holes (6) on second barrier portion (32), and is equipped with reverse osmosis packet at each drain hole (6)
(7)。
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| CN201710828674.4A CN107700500B (en) | 2017-09-14 | 2017-09-14 | Slope retaining structure and slope supporting drain integral system |
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| CN107700500B true CN107700500B (en) | 2019-06-18 |
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| CN109881686A (en) * | 2018-12-03 | 2019-06-14 | 中铁上海工程局集团有限公司 | A kind of tall and big retaining structure of Unfavorable geology side slope |
| CN111539051B (en) * | 2020-03-16 | 2022-07-12 | 中铁二院工程集团有限责任公司 | Three-dimensional static force calculation method for overhead pile plate structure |
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