CN109024487A - A kind of guard system and its construction method that cold area's reservoir stability antiseepage is freeze proof - Google Patents
A kind of guard system and its construction method that cold area's reservoir stability antiseepage is freeze proof Download PDFInfo
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- CN109024487A CN109024487A CN201811026504.5A CN201811026504A CN109024487A CN 109024487 A CN109024487 A CN 109024487A CN 201811026504 A CN201811026504 A CN 201811026504A CN 109024487 A CN109024487 A CN 109024487A
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- 238000010276 construction Methods 0.000 title claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 83
- 239000002131 composite material Substances 0.000 claims abstract description 54
- 239000004567 concrete Substances 0.000 claims description 30
- 238000007789 sealing Methods 0.000 claims description 17
- 239000004746 geotextile Substances 0.000 claims description 16
- 239000012528 membrane Substances 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000005553 drilling Methods 0.000 claims description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 8
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- 239000004568 cement Substances 0.000 claims description 4
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- 238000005266 casting Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 238000005476 soldering Methods 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 210000004243 sweat Anatomy 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims 1
- 230000006378 damage Effects 0.000 abstract description 20
- 230000003628 erosive effect Effects 0.000 abstract description 8
- 239000003657 drainage water Substances 0.000 abstract description 2
- 230000007774 longterm Effects 0.000 abstract description 2
- 101100495270 Caenorhabditis elegans cdc-26 gene Proteins 0.000 description 11
- 239000002689 soil Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
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- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- 230000008014 freezing Effects 0.000 description 4
- 238000007710 freezing Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 239000011701 zinc Substances 0.000 description 4
- 229910052725 zinc Inorganic materials 0.000 description 4
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000010257 thawing Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/122—Flexible prefabricated covering elements, e.g. mats, strips
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
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Abstract
The invention belongs to side slopes, bank slope protection engineering field, disclose a kind of guard system that cold area's reservoir stability antiseepage is freeze proof, including the basis being embedded in side slope, sand-gravel cushion, composite water drain-proof plate, Reynolds mat is successively laid on basis to the side slope surface of side slope setting height from inside to outside, side slope setting height is higher than water level of surging, it further include single slope drainage pipe, single slope drainage pipe includes bottom single slope drainage pipe and top single slope drainage pipe, bottom single slope drainage water inlet tube section extends in side slope through basis, the inlet segment of top single slope drainage pipe sequentially passes through Reynolds mat, composite water drain-proof plate and sand-gravel cushion extend in side slope.The invention also discloses a kind of construction methods of guard system that cold area's reservoir stability antiseepage is freeze proof.The configuration of the present invention is simple, function be reliable, quick construction, long service life, can effectively prevent the erosion damage and seepage erosion of reservoir stability, substantially weakens the freeze-thaw damage of side slope, guarantee the steady in a long-term of reservoir stability.
Description
Technical field
The invention belongs to side slopes, bank slope protection engineering field, and in particular to a kind of cold area's reservoir stability antiseepage is freeze proof to be prevented
Protecting system further relates to a kind of guard system and construction method that cold area's reservoir stability antiseepage is freeze proof.
Background technique
In reservoir stability and Riparian buffers engineering, wave cut destruction, library water, which enter, blends seepage flow caused by fluctuation in stage
The emphasis problem of the problems such as slope is bad, slope surface freeze-thaw damage always bank slope protection.
Reservoir stability mainly uses mortar rubble masonry pavement and Reynolds mat to protect at this stage, although these safeguard procedures energy
Wave cut is resisted, but outside moisture can not be prevented to enter side slope.When water level increases outside side slope, outside moisture enters library
Bank slope, when water level quickly reduces outside slope, due to the choked flow of soil, the water inside side slope cannot be quickly discharged, and lead to slope Nei Shui
Position is higher than outside slope, generates the flowing pressure being directed toward outside slope, often leads to the seepage erosion of side slope.On the other hand, in cold district
Reservoir stability, after water enters side slope inside outside slope, winter will lead to side slope surface certain depth freezing expansion, make mortar flag stone
Slope protection frost heaving failure, when spring melts, side slope surface, which is melted, to soften, and the mortar flag stone of frost heaving failure protects failure, often produces
Raw thaw slumping；And Reynolds mat is flexible protective, although frost heaving failure will not be generated, since it is to be with slope surface
Support, when slope table thin-skinnedization, tend to vary with side slope and generate together slippery, the freeze-thaw damage of side slope cannot be prevented.
Therefore, it is necessary to invent a kind of protection that cold area's reservoir stability antiseepage is freeze proof for the problem of cold area's reservoir stability
System and its construction method solve shortcomings and deficiencies of the prior art.
Summary of the invention
It is freeze proof the purpose of the present invention is in view of the above-mentioned problems existing in the prior art, providing a kind of cold area's reservoir stability antiseepage
Guard system, a kind of guard system and its construction method that cold area's reservoir stability antiseepage is freeze proof is also provided, library bank is effectively avoided
The erosion damage of side slope and seepage flow slope are bad, substantially weaken the freeze-thaw damage of side slope, and construction is simple, engineering cost are cheap.
In order to achieve the above object, the present invention provides following technical schemes:
A kind of guard system that cold area's reservoir stability antiseepage is freeze proof, it is sand-gravel cushion, compound including the basis being embedded in side slope
Drainable waterproofing plate, Reynolds mat are successively laid on basis to the side slope surface of side slope setting height from inside to outside, and side slope setting is high
Degree, which is higher than, surges water level, further includes single slope drainage pipe, and single slope drainage pipe includes bottom single slope drainage pipe and top single slope drainage pipe,
Bottom single slope drainage water inlet tube section extends in side slope through basis, and the inlet segment of top single slope drainage pipe sequentially passes through Reynolds shield
Pad, composite water drain-proof plate and sand-gravel cushion extend in side slope.
Basis as described above includes the concrete foundation section that multiple bottoms along side slope are laterally arranged, concrete foundation section
Between subsiding crack is set, filled bitumen sealing compound in subsiding crack.
It is 1 ~ 1.5m that concrete foundation section as described above, which is embedded the depth in side slope,.
Composite water drain-proof plate as described above includes composite geo-membrane, three V dimensional steel wire rack and drainage geotextiles, composite earth
Work film and drainage geotextiles are separately positioned on the two sides of three V dimensional steel wire rack, and composite geo-membrane side is towards outside side slope, drainage soil
Work cloth side is towards in side slope.
Reynolds mat as described above includes the net cage of the hexagons of multiple binding connections, in net cage filling partial size be 60 ~
The rubble or cobble of 150mm.
The inlet segment setting of single slope drainage pipe as described above, which is intake, spends hole, and the flower hole that intakes is multiple groups, the water inlet flower of each group
Hole is spaced apart along the inlet segment of single slope drainage pipe, and each water inlet flower hole with group is in the circumferential direction of the inlet segment of single slope drainage pipe
It is uniformly distributed, single slope drainage pipe is banded with drainage geotextiles by tying up silk in inlet segment, and drainage geotextiles cover all water inlet flowers
Hole.
A kind of guard system that cold area's reservoir stability antiseepage is freeze proof, further includes sealing shroud, and sealing shroud includes pipe sleeve and setting
Pipe sleeve pedestal in pipe sleeve one end, pipe sleeve are covered in top single slope drainage pipe water outlet, the inner wall and top single slope drainage pipe of pipe sleeve
Between be bonded and sealed by epoxy resin glue, pipe sleeve pedestal is bonded in composite water drain-proof plate towards side by epoxy resin glue
Side outside slope.
The present invention also provides a kind of construction methods of guard system that cold area's reservoir stability antiseepage is freeze proof, including following step
It is rapid:
A kind of construction method for the guard system that cold area's reservoir stability antiseepage is freeze proof, comprising the following steps:
Step 1 will protect the side slope of library bank to be divided into several construction sections by setting lateral length；
Step 2 successively constructs to each construction section, specifically includes the following steps:
Step 2.1 excavates foundation trench, the casting concrete section of foundation in foundation trench in side slope bottom；
The slope surface of step 2.2, smooth side slope is upwardly into side slope setting height from concrete foundation section and is laid with sand-gravel cushion 2, whole
Concora crush is real；
Step 2.3 is upwardly into side slope setting height laying composite water drain-proof plate from concrete foundation section, and composite water drain-proof plate is in item
Shape is spread in side slope from the top down, and 15~25cm is overlapped between adjacent strip composite water drain-proof plate, and lap-joint uses sweat soldering
Processing；
Step 2.4, construction run through concrete foundation section and extend to the bottom single slope drainage pipe drilling in side slope, and construction is successively passed through
It wears composite water drain-proof plate, sand-gravel cushion and the top single slope drainage pipe extended in side slope to drill, by bottom single slope drainage pipe
Inlet segment is installed to the drilling of bottom single slope drainage pipe, and the inlet segment of top single slope drainage pipe is installed to top single slope drainage pipe and is bored
Hole, using the gap between cement slurry sealed bottom single slope drainage pipe outer wall and concrete foundation section, at top single slope drainage pipe with
Sealing shroud is installed between composite water drain-proof plate；
Step 2.5 is upwardly into the net cage that side slope setting height is laid with Reynolds mat from concrete foundation section, and binding connects net cage,
The cobble that partial size is 60 ~ 150mm is filled in net cage；
Subsiding crack is arranged in step 2.6 between the concrete foundation section of adjacent construction section, and filled bitumen seals in subsiding crack
Cream.
Side slope setting height as described above is higher than water level of surging.
The present invention having the beneficial effect that compared with prior art
First, the present invention is added in Reynolds mat structure by combining composite water drain-proof plate and single slope drainage pipe, is reached
To the purpose for preventing seepage of slope destruction and decrease side slope freeze-thaw damage.Composite water drain-proof plate and single slope drainage pipe combine, energy
It is enough that water in slope soil is discharged and prevents outside water from entering side slope, slope soil can be prevented because softening and generating seepage flow by water
And damage, and side slope moisture content can be reduced, it prevents side slope from freezing, mitigates side slope freeze-thaw damage.
Second, invention increases porositys greatly, the sand-gravel cushion of good penetrability, can play draining and prevent side slope
The effect of freeze-thaw damage.
Third, the present invention have achieved the purpose that antiscour, frost heaving resistant and insulation by using Reynolds mat.Reynolds shield
Pad has the characteristics that big rough surface, hole, good water permeability, globality are strong, as the outermost layer of guard system, firstly,
It is highly resistant to washing away and invading for wave side slope, wave is avoided directly to wash away the destruction of slope instability caused by emptying slopes；
Secondly, the macroporous structure of Reynolds mat, makes structure itself not generate frost heaving failure, the service life of structure is increased, it can be right
Side slope provides permanent reliable protection effect；Again, the macroporous structure of Reynolds mat can weaken heat transfer, play certain
Function of heat insulation reduces the adverse effect of freeze thawing side slope.
4th, the configuration of the present invention is simple, economical rationality, function be reliable, quick construction, long service life, can effectively prevent
The erosion damage and seepage erosion of reservoir stability substantially weaken the freeze-thaw damage of side slope, enhance the frost resistance of cold area's reservoir stability
With durability, be conducive to the steady in a long-term of side slope.
Detailed description of the invention
Fig. 1 is cross-section diagram of the present invention；
Fig. 2 is composite water drain-proof plate structural schematic diagram；
Fig. 3 is Reynolds mat net cage schematic diagram；
Fig. 4 is single slope drainage pipe schematic diagram；
Fig. 5 is sealing shroud schematic diagram.
Wherein: 1-basis, 2-sand-gravel cushions, 3-composite water drain-proof plates, 3a-composite geo-membrane, 3b-three-dimensional soil
Work steel wire rack, 3c-drainage geotextiles, 4-Reynolds mats, 501-bottom single slope drainage pipes, 502-top single slope drainage pipes,
5a-water inlet flower hole, 5b-tie up silk, 6-ground lines, 7-net cages, 8-sealing shrouds, 9-sealing shroud pipe sleeves, 10-sealing shroud bottoms
Seat, h1-lowest water level, h2-peak level, h3-surge water level.
Specific embodiment
The present invention will be further described below with reference to examples, it is emphasized that, although the present invention will combine example
It is illustrated, this is not necessarily referring to the present invention and is defined in these examples, these examples are used only for showing technical solution of the present invention
Exploitativeness.
As shown in Figure 1, for a kind of guard system cross-section diagram that cold area's reservoir stability antiseepage is freeze proof of the present invention, the guard system
Including basis 1, sand-gravel cushion 2, composite water drain-proof plate 3, Reynolds mat 4 and single slope drainage pipe, in which:
Basis 1 is built by cement concrete, is placed in the side slope of 3 ~ 5m of lowest water level or less, and is equipped with bottom single slope drainage pipe
501, single slope drainage pipe 501 inlet segment in bottom extends in side slope through basis 1.
Basic 1 bottom surface is embedded in certain depth in side slope (1 ~ 1.5m), and the high 0.4m or so on basis 1, basis 1 includes along side
The concrete foundation section of bottom of slope portion cross direction profiles, concrete foundation section are excavated to be segmented after foundation trench in side slope and be poured, coagulation soil matrix
Between plinth section and subsiding crack is set, subsiding crack is sealed using bituminous seal cream.
Sand-gravel cushion 2, composite water drain-proof plate 3, Reynolds mat 4 are successively laid on basis 1 to water level of surging from inside to outside
On side slope surface in h3+5m altitude range, the upper end end setting of sand-gravel cushion 2, composite water drain-proof plate 3, Reynolds mat 4
Arc carries out transition.
2 thickness 15cm of sand-gravel cushion is laid with and uses compacting equipment grinding compacting, has draining and prevents the work of frost heave
With.
Composite water drain-proof plate 3, material model (Lampson LPS-1600) are a kind of integrate draining, water-proof function and one
Novel guarded drainage material has laterally quickly transmissibility and longitudinal impermeability.Its structure is as shown in Fig. 2, by composite geo-membrane
3a, three V dimensional steel wire rack 3b, drainage geotextiles 3c composition, composite geo-membrane 3a and drainage geotextiles 3c are separately positioned on three-dimensional soil
The two sides of work steel wire rack 3b.The side composite geo-membrane 3a is towards outside side slope, and the drainage side geotextiles 3c is towards in side slope, so that side slope body
Bottom single slope drainage pipe 501 on the basis of the enough flow directions along composite water drain-proof plate 3 of interior water energy, passes through bottom single slope drainage pipe
501 discharges, while the water outside side slope being prevented to penetrate into side slope, make the reduction of side slope moisture content, side slope can be effectively prevent to freeze.
Reynolds mat 4, thick 30cm are to compile the net cage 7 that twisted pair hexagon zinc-coated wire wire side is constituted by machine to fill rubble
Or the thickness being interconnected to form after cobble is much smaller than the pulvilliform engineering component of length and width.Net cage 7(such as Fig. 3 institute
Show) having a size of 100 × 150 × 30cm, it is made of zinc-coated wire, zinc-coated wire uses zinc-plated five aluminized wire of 3 ~ 4mm, tension
Intensity 450N/mm2, elongation percentage is not less than 10%.The specification of the net cage 7 of hexagon are as follows: two-wire lay length is not less than 3cm, mesh
Diameter 6cm.Net cage intensity height, corrosion-resistant, long service life.After the net cage 7 is laid with, using zinc-coated wire spiral
Shape binds the seamed edge for tightening adjacent net cage, is connected with each other each net cage, is subsequently filled the cobble that partial size is 60 ~ 150mm, forms thunder
Promise protection pad 4.
Single slope drainage pipe, including bottom single slope drainage pipe 501 and top single slope drainage pipe 502, bottom single slope drainage pipe 501
Inlet segment 1 extends in side slope through basis, and the inlet segment of top single slope drainage pipe 502 sequentially passes through Reynolds mat 4, compound anti-
Drain bar 3 and sand-gravel cushion 2 extend in side slope, pass through sealing between top single slope drainage pipe 502 and composite water drain-proof plate 3
8 connection of set is to prevent top single slope drainage pipe 502 and the infiltration of 3 seam crossing of composite water drain-proof plate.Single slope drainage pipe is (such as Fig. 4 institute
Show), existing patent achievement can be used, patent No. CN 204343314 U of 204676505 U or CN has water can only be by side slope
Inside flow to the single slope drainage function outside side slope.Top single slope drainage pipe 502 passes through sealing shroud 8 and composite water drain-proof plate 3 and is inserted into
Inside side slope, sealing shroud includes pipe sleeve 9 and the pipe sleeve pedestal 10 that 9 one end of pipe sleeve is arranged in, 9 inner wall of pipe sleeve and single slope drainage pipe
502 are bonded and sealed by epoxy resin glue, and pipe sleeve pedestal 10 is bonded in 3 side slope of composite water drain-proof plate by epoxy resin glue
Outer side can prevent water from penetrating into side slope along top single slope drainage pipe 502 and 3 junction of composite water drain-proof plate.Single slope drainage
The inlet segment setting of pipe, which is intake, spends hole 5a, the diameter 1cm for flower hole 5a of intaking, and flower hole 5a of intaking is in the inlet segment of single slope drainage pipe
Multiple groups are spaced apart, and every group of water inlet flower hole 5a is 4, and every group of water inlet flower hole 5a is equal in the circumferential direction of the inlet segment of single slope drainage pipe
Even distribution (90 ° of circumferential spacing), adjacent sets, which are intake, spends the spacing of hole 5a for 15cm.Single slope drainage pipe is in inlet segment package drainage soil
Work cloth 3c, drainage geotextiles 3c should cover all water inlet flower hole 5a, and be bound using a 5b is tied up.
The present invention also provides a kind of construction methods of guard system that cold area's reservoir stability antiseepage is freeze proof, including following step
It is rapid:
Step 1, section construction: the side slope of library bank will be protected to be divided into several construction sections by setting lateral length (such as 20m).
Step 2 successively constructs to each construction section.
Constructed in step 2 to each construction section the following steps are included:
Step 2.1, construction concrete foundation section: foundation trench, the casting concrete section of foundation in foundation trench are excavated in side slope bottom.
Step 2.2, construction sand-gravel cushion: it is high to be upwardly into side slope setting from concrete foundation section for the slope surface of smooth side slope
Degree is laid with sand-gravel cushion 2, leveling compacting, and side slope setting height is higher than water level of surging.
Step 2.3, construction composite water drain-proof plate: side slope setting height is upwardly into from concrete foundation section and is laid with compound anti-row
Water plate 3, composite water drain-proof plate 3 is in a strip shape to be spread in side slope from the top down, between adjacent strip composite water drain-proof plate 3 overlap 15~
25cm, lap-joint are handled using sweat soldering, and side slope setting height is higher than water level of surging.
Step 2.4, the unidirectional drainpipe of construction: construction runs through concrete foundation section and the bottom extended in side slope is unidirectionally arranged
Pipe bore, construction sequentially pass through composite water drain-proof plate 3, sand-gravel cushion 2 and extend to top single slope drainage pipe in side slope
Single slope drainage pipe 501 inlet segment in bottom is installed to the drilling of bottom single slope drainage pipe, by top single slope drainage pipe 502 by drilling
Inlet segment is installed to top single slope drainage pipe drilling, uses 501 outer wall of cement slurry sealed bottom single slope drainage pipe and coagulation soil matrix
Sealing shroud 8 is installed in gap between plinth section between top single slope drainage pipe 502 and composite water drain-proof plate 3.
Step 2.5, construction Reynolds mat 4: side slope setting height is upwardly into from concrete foundation section and is laid with Reynolds mat 4
Net cage 7, binding connection net cage 7, fills the cobble that partial size is 60 ~ 150mm in net cage 7, and side slope setting height is higher than water of surging
Position.
Subsiding crack is arranged in step 2.6 between the concrete foundation section of adjacent construction section, and filled bitumen is close in subsiding crack
Seal cream.
In step 2.3, composite water drain-proof plate 3 includes three V dimensional steel wire rack 3b and is arranged in three V dimensional steel wire rack 3b
The composite geo-membrane 3a and drainage geotextiles 3c on two sides, the side composite geo-membrane 3a is towards outside side slope, the side drainage geotextiles 3c
Towards in side slope.
Sand-gravel cushion 2, composite water drain-proof plate 3 and single slope drainage pipe 5 are combined, are arranged in 4 structure of Reynolds mat
In, a kind of guard system for being substantially better than the prior art in the cold freeze proof aspect performance of area's reservoir stability antiseepage is formd, is this hair
Bright main innovation point.
The present invention has achieved the purpose that antiscour, frost heaving resistant and insulation by using Reynolds mat 4.Reynolds mat 4
Have the characteristics that big rough surface, hole, good water permeability, globality are strong, as the outermost layer of guard system, firstly, energy
It is effective against washing away and invading for wave side slope, wave is avoided directly to wash away the destruction of slope instability caused by emptying slopes；Its
Secondary, the macroporous structure of Reynolds mat 4 makes structure itself not generate frost heaving failure, increases the service life of structure, being capable of opposite side
Slope provides permanent reliable protection effect；Again, the macroporous structure of Reynolds mat 4 can weaken heat transfer, play certain
Function of heat insulation reduces the adverse effect of freeze thawing side slope.
For the present invention by setting composite water drain-proof plate 3 and single slope drainage pipe 5, having reached prevents seepage of slope from destroying and weakening
The purpose of side slope freeze-thaw damage.Water in slope soil can be discharged and prevent outer by composite water drain-proof plate 3 and single slope drainage pipe 5
Boundary's water enters side slope, can prevent slope soil from damaging due to being softened by water and being generated seepage flow, and can reduce side slope moisture content,
Reduction even prevents side slope from freezing, and mitigates side slope unfreezing.
The present invention big, good penetrability sand-gravel cushion 2 by setting porosity, can play draining and prevent side slope from freezing
Melt the effect of destruction.
In conclusion the present invention can play the erosion damage for effectivelying prevent cold area's reservoir stability by embodiment of above
And seepage erosion, substantially weaken side slope freeze-thaw damage, improve reservoir stability stability, safety with benefit effect.
Disclosed above is only the preferred embodiment of the present invention, but the present invention is not limited to this, any to be familiar with this skill
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by the technical staff in art field, should all cover at this
Within the protection scope of invention.Therefore, protection scope of the present invention with the scope of protection of the claims and should not take off
From under the premise of the principle of the invention it is made it is several improvement and should all be within the scope of the present invention.
Claims (9)
1. a kind of guard system that cold area's reservoir stability antiseepage is freeze proof, including the basis (1) being embedded in side slope, feature exists
In sand-gravel cushion (2), composite water drain-proof plate (3), Reynolds mat (4) are successively laid on basic (1) to side slope from inside to outside and set
Determine on the side slope surface of height, it further includes single slope drainage pipe, single slope drainage pipe includes bottom that side slope setting height, which is higher than water level of surging,
Portion's single slope drainage pipe (501) and top single slope drainage pipe (502), bottom single slope drainage pipe (501) inlet segment run through basic (1) and prolong
It extends in side slope, the inlet segment of top single slope drainage pipe (502) sequentially passes through Reynolds mat (4), composite water drain-proof plate (3) and sand
Gravel blanket (2) extends in side slope.
2. a kind of freeze proof guard system of cold area's reservoir stability antiseepage according to claim 1, which is characterized in that described
Basic (1) includes the concrete foundation section that multiple bottoms along side slope are laterally arranged, and subsiding crack is arranged between concrete foundation section,
Filled bitumen sealing compound in subsiding crack.
3. a kind of freeze proof guard system of cold area's reservoir stability antiseepage according to claim 1, which is characterized in that described
It is 1 ~ 1.5m that concrete foundation section, which is embedded the depth in side slope,.
4. a kind of freeze proof guard system of cold area's reservoir stability antiseepage according to claim 1, which is characterized in that described
Composite water drain-proof plate (3) includes composite geo-membrane (3a), three V dimensional steel wire rack (3b) and drainage geotextiles (3c), composite geo-membrane
(3a) and drainage geotextiles (3c) are separately positioned on the two sides of three V dimensional steel wire rack (3b), and the composite geo-membrane side (3a) is towards side
Outside slope, the drainage geotextiles side (3c) is towards in side slope.
5. a kind of freeze proof guard system of cold area's reservoir stability antiseepage according to claim 1, which is characterized in that described
Reynolds mat (4) includes the net cage (7) of the hexagon of multiple binding connections, and filling partial size is the broken of 60 ~ 150mm in net cage (7)
Stone or cobble.
6. a kind of freeze proof guard system of cold area's reservoir stability antiseepage according to claim 1, which is characterized in that described
The inlet segment setting of single slope drainage pipe, which is intake, spends hole (5a), and flower hole (5a) of intaking is multiple groups, and water inlet flower hole (5a) of each group is along list
It is spaced apart to the inlet segment of drainpipe, each water inlet flower hole (5a) with group is equal in the circumferential direction of the inlet segment of single slope drainage pipe
Even distribution, single slope drainage pipe are banded with drainage geotextiles (3c) in inlet segment by tying up silk (5b), drainage geotextiles (3c) covering
All water inlet flowers hole (5a).
7. a kind of freeze proof guard system of cold area's reservoir stability antiseepage according to claim 1, which is characterized in that further include
Sealing shroud (8), sealing shroud (8) include the pipe sleeve pedestal (10) of pipe sleeve (9) and setting in pipe sleeve (9) one end, top single slope drainage
It manages (502) and runs through pipe sleeve (9), bonded between the inner wall and top single slope drainage pipe (502) of pipe sleeve (9) by epoxy resin glue
Sealing, pipe sleeve pedestal (10) are bonded in composite water drain-proof plate (3) towards the side outside side slope by epoxy resin glue.
8. a kind of construction method for the guard system that cold area's reservoir stability antiseepage is freeze proof, which comprises the following steps:
Step 1 will protect the side slope of library bank to be divided into several construction sections by setting lateral length；
Step 2 successively constructs to each construction section, specifically includes the following steps:
Step 2.1 excavates foundation trench, the casting concrete section of foundation in foundation trench in side slope bottom；
The slope surface of step 2.2, smooth side slope is upwardly into side slope setting height from concrete foundation section and is laid with sand-gravel cushion 2, whole
Concora crush is real；
Step 2.3 is upwardly into side slope setting height laying composite water drain-proof plate (3), composite water drain-proof plate from concrete foundation section
(3) in a strip shape to spread in side slope from the top down, 15~25cm is overlapped between adjacent strip composite water drain-proof plate (3), lap-joint adopts
It is handled with sweat soldering；
Step 2.4, construction run through concrete foundation section and extend to the bottom single slope drainage pipe drilling in side slope, and construction is successively passed through
Composite water drain-proof plate (3), sand-gravel cushion (2) and the top single slope drainage pipe extended in side slope is worn to drill, bottom is unidirectional
Drainpipe (501) inlet segment is installed to the drilling of bottom single slope drainage pipe, and the inlet segment of top single slope drainage pipe (502) is installed to
The drilling of top single slope drainage pipe, uses seam of the cement slurry sealed bottom single slope drainage pipe (501) between outer wall and concrete foundation section
Gap installs sealing shroud (8) between top single slope drainage pipe (502) and composite water drain-proof plate (3)；
Step 2.5 is upwardly into the net cage (7) that side slope setting height is laid with Reynolds mat (4), binding connection from concrete foundation section
Net cage (7), the cobble that filling partial size is 60 ~ 150mm in net cage (7)；
Subsiding crack is arranged in step 2.6 between the concrete foundation section of adjacent construction section, and filled bitumen seals in subsiding crack
Cream.
9. a kind of construction method of the freeze proof guard system of cold area's reservoir stability antiseepage according to claim 8, feature
It is, the side slope setting height is higher than water level of surging.
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| CN112195699A (en) * | 2020-09-15 | 2021-01-08 | 中电建十一局工程有限公司 | High-groundwater-level silty roadbed filling technology |
| CN112746622A (en) * | 2021-02-08 | 2021-05-04 | 中国科学院西北生态环境资源研究院 | Seepage-proofing anti-freezing ecological slope protection structure and construction method thereof |
| CN112746622B (en) * | 2021-02-08 | 2022-05-03 | 中国科学院西北生态环境资源研究院 | Seepage-proofing anti-freezing ecological slope protection structure and construction method thereof |
| CN113638442A (en) * | 2021-08-17 | 2021-11-12 | 中国科学院西北生态环境资源研究院 | Cutting retaining wall unit with automatic diversion function and manufacturing method thereof |
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| CN115323852A (en) * | 2022-08-01 | 2022-11-11 | 中交第一公路勘察设计研究院有限公司 | Assembly construction method for roadbed block stone layer in permafrost region |
| CN115323852B (en) * | 2022-08-01 | 2024-01-23 | 中交第一公路勘察设计研究院有限公司 | Construction method for assembling roadbed block stone layer in permafrost region |
| CN115305871A (en) * | 2022-08-24 | 2022-11-08 | 中国二十冶集团有限公司 | Ecological environment restoration construction method for dam road slope protection |
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