CN207553039U - The replacing structure destroyed for Frozen Area winter without ice sheet canal for water conveyance anti-freeze expansion - Google Patents
The replacing structure destroyed for Frozen Area winter without ice sheet canal for water conveyance anti-freeze expansion Download PDFInfo
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- CN207553039U CN207553039U CN201721680344.7U CN201721680344U CN207553039U CN 207553039 U CN207553039 U CN 207553039U CN 201721680344 U CN201721680344 U CN 201721680344U CN 207553039 U CN207553039 U CN 207553039U
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Abstract
The utility model is related to water delivery engineering technical field, a kind of more particularly to changed for anti-freeze expansion of the Frozen Area winter without ice sheet water delivery fills out channel structure.A kind of replacing structure destroyed for Frozen Area winter without ice sheet canal for water conveyance anti-freeze expansion, according to frost heave feature of the Frozen Area winter without ice sheet canal for water conveyance, make full use of the insulation effect of winter water in a canal, sand gravel is replaced using non-tunneling boring, frost heave canal base soil in the range of the depth of freezing of channel side slopes top is replaced into non-frost heave soil --- sand gravel, sand gravel fill stratum is following and two sides are laid with the geotextile with reverse filter effect, impervious barrier is laid at the top of the sand gravel fill stratum of canal top of the slope, and in sand gravel fill stratum lowest part, the position farthest from canal slope surface is laid with collector pipe along canal, and several staple shaft and mating facilities that draw water of catchmenting are set.The problem of overcoming the anti-freeze expansion failure mode of flexibility+rigidity lining cutting that existing channel uses application effect be bad in canal for water conveyance in winter.
Description
Technical field
The utility model is related to water delivery engineering technical field, more particularly to one kind is defeated without ice sheet for Frozen Area winter
The anti-freeze expansion of water, which is changed, fills out channel structure.
Background technology
China northeast, northwest, North China are in seasonal frozen soil region, and the freeze injury of building is very universal.And it is in water and soil
The hydraulic engineering of environment is even more so.As between China irrigated area, urban water supply, industrial water, reservoir lake and between basin
The channel of the main water-carriage mode of water allotment, if in seasonal frozen soil region, rigid lining cutting layer, that is, concrete slab frost heave is broken
It is bad serious.At present, in-depth study has been carried out, and achieve a large amount of research to the frost heaving failure problem researcher of channel
Achievement, this problem have also obtained preferable solution.But these achievements overwhelming majority was cut off the water channel for winter.For
The achievement in research of winter canal for water conveyance is then emphasis in terms of ice trouble and ice condition.
Most of channel frost heaving resistants destroy design and do not differentiate between channel winter operation situation at present.In other words, it is believed that：
The effect of frost heaving failure that channel tunneling boring is subject to when freezing is the most serious, as long as solve tunneling boring and freeze（Correspond to winter
When cutting off the water）Canal frost heave destroy problem, when tunneling boring is freezed（When corresponding to winter and cutting off the water）Canal frost heave destroys problem
Solution directly applies to winter canal for water conveyance, then the problem of frost heave of the canal base soil of all channels just thoroughly solves at all,
With reference to the ice trouble achievement in research of winter canal for water conveyance, then the frost heave of all channels and ice trouble problem just all solve.However, engineering
Practice（The destruction situation of Manasi river primary power station flume, the lining cutting knot for geomembrane+concrete slab which uses
Structure）Show both to make to employ anti-freeze expansion destruction measure, winter canal for water conveyance still has frost heaving failure phenomenon.And mountain area channel warm season stops
When water overhauls or channel water is deep smaller, underground water is to one under differential pressure action（Two）The channel of one film of cloth+concrete slab lining cutting knot
Plate jacks up, and liner plate is turned over by detrusion displacement and ruined again when discharging water.I.e. currently frequently with one（Two）One film of cloth+concrete slab lining
Structure channel is built not only to be faced with winter frost heaving failure but also had warm season underground water to jack up destruction.Therefore, it is necessary to further to being used for
Anti-freeze expansion of the winter without ice sheet canal for water conveyance destroys technology and canal for water conveyance is studied.
Invention content
The utility model is in view of the shortcomings of the prior art, propose that one kind is prevented for Frozen Area winter without ice sheet canal for water conveyance
The replacing structure of frost heaving failure, the anti-freeze expansion failure mode for overcoming flexibility+rigidity lining cutting that existing channel uses are defeated in winter
The problem of application effect is bad in water channel road.It can be ensured that when winter canal for water conveyance does not generate frost heaving failure and warm season is cut off the water also not
The jack-up that canal external water pressure occurs is destroyed.The antifreezing expansion effect of conventional displacement canal base soil can be not only played, but also can save and change
Earth fill amount, reduces cost, economizes on resources, environmental protection.
Technical solution used by the utility model：
According to frost heave feature of the Frozen Area winter without ice sheet canal for water conveyance, the heat preservation of winter water in a canal is made full use of to make
With, using non-tunneling boring replace sand gravel, i.e., the frost heave canal base soil in the range of the depth of freezing of channel side slopes top is replaced
For non-frost heave soil --- sand gravel, sand gravel layer is following and two sides are laid with the geotextile with anti-filter, canal top of the slope
The top of sand gravel fill stratum 6 be laid with impervious barrier 1, and in 6 lowest part of sand gravel fill stratum, the position Yan Qu farthest from canal slope surface
Collector pipe 11 is laid with, and several staple shaft and mating facilities that draw water of catchmenting are set.
The replacing structure destroyed for Frozen Area winter without ice sheet canal for water conveyance anti-freeze expansion, sand gravel banket
The impervious barrier 1 that 6 top of layer is laid with is above to have the native geomembrane cloth or concrete slab protected, and geomembrane cloth or coagulation
The width of native plate is more than the horizontal width of sand gravel layer.
The described replacing structure destroyed for Frozen Area winter without ice sheet canal for water conveyance anti-freeze expansion, under channel side slopes
Frost heave canal base soil in the non-frozen region in portion is not replaced, and side slope concrete slab and the canal base soil of the non-frozen region in its underpart
Between be also laid with there is the geotextile of anti-filter, and add on the concrete slab in non-frozen region and tend in canal and to canal
The non-return valve of internal drainage.
The replacing structure destroyed for Frozen Area winter without ice sheet canal for water conveyance anti-freeze expansion, sand gravel banket
6 lower surface of layer less than channel water face, and the two distance it is equivalent not less than canal side slope sand gravel fill stratum freeze it is deep with slope angle cosine it
Product；The equivalent depth of freezing of sand gravel layer is the thermal resistance of former canal base frozen soil and the product of the thermal conductivity factor of sand gravel（When replacement rate is 100%）.
The replacing structure destroyed for Frozen Area winter without ice sheet canal for water conveyance anti-freeze expansion, canal cross section
In, the horizontal width of sand gravel fill stratum is equivalent not less than the sand gravel of canal side slope to freeze the deep quotient with slope angle sine；Sand gravel layer
Equivalent depth of freezing is the thermal resistance of former canal base frozen soil and the product of the thermal conductivity factor of sand gravel（When replacement rate is 100%）.
The replacing structure destroyed for Frozen Area winter without ice sheet canal for water conveyance anti-freeze expansion, sand gravel layer two
What side and base were laid with has the function of the geotextile of anti-filter, sand gravel layer is wrapped in geotextile, the geotechnique at top
Fabric is folded to sand gravel layer and is laid under impervious barrier.
The replacing structure destroyed for Frozen Area winter without ice sheet canal for water conveyance anti-freeze expansion, the staple shaft that catchments are set
It puts away from outside 2-3 meters on the outside of sand gravel in the canal base do not replaced, water is drained by the drainpipe being connected with collector pipe in collector pipe
It catchments in staple shaft, the staple shaft that catchments is equipped with the corresponding pumping equipment dark well water that will catchment and is evacuated in canal.
The beneficial effects of the utility model：
1st, the utility model proposes the displacement knot suitable for the channel of winter water delivery on the basis of existing engineering technology
Structure, i.e. only part canal base soil are replaced into sand gravel, it will be able to the anti-freeze expansion of flexibility+rigidity lining cutting that existing channel is overcome to use
Destruction measure the problem of application effect is bad in canal for water conveyance in winter.Compared with conventional replacing structure, it can reduce and change earth fill
Workload saves man power and material, reduces cost, economize on resources.And solves the jelly of Frozen Area winter canal for water conveyance
Bad problem is burst, not only improves the water efficiency of canal system of channel, substantially reduces warm season maintenance time, reduces maintenance cost,
Increase run time, improve the emptying effectiveness of winter canal for water conveyance whole year, reduce the probability of the non-frost heaving failure of channel, greatly
Ground extends channel service life.Its economic benefit brought is significant.
2nd, the replacing structure that the utility model destroys for Frozen Area winter without ice sheet canal for water conveyance anti-freeze expansion, overcomes
Under water in a canal insulation effect there are no give full play to it for underwater portion displacement layer in canal for water conveyance in winter for tunneling boring cushion
The drawbacks of effect that anti-freeze expansion is destroyed, i.e. underwater portion frost heave canal base soil need not replace；If in this replacing structure, knot
It closes the many-sided information summary of engineering ground, level of ground water etc. to consider, channel, which adds, to catchment, draining or sets non-return valve in slope surface
Facilities are waited, can also alleviate or release canal for water conveyance winter in winter non-frost heaving failure and only water or the water amount such as warm season channel maintenance
The jack-up destruction of liner plate when underground water reverse osmosis enters canal in the case of small, can alleviate to a certain extent or solve channel this
Breakoff phenomenon.
3rd, the utility model proposes replacing structure, for winter without ice sheet canal for water conveyance, in canal base soil condition, waterpower item
In the case of part and rigid lining cutting layer thickness all same, the winter frost heaving failure effect of channel can be eliminated, and canal when warm season is cut off the water
Jack-up destruction because of canal external water pressure does not occur yet for road.For winter cuts off the water channel, it can not only reduce canal lining layer
Under frost-heave force and because reduce compression slender member ratio of height to thickness due to improve channel side slopes plate frost heaving resistant ability, therefore, also may be used
The frost heaving resistant damage capability that winter crosses the lining cutting layer in water channel road is improved with this method.Channel anti-freeze expansion described in this patent is destroyed
Replacing structure, can alleviate or solve this breakoff phenomenon of channel to a certain extent.
Description of the drawings
Fig. 1 is Frozen Area winter without ice sheet water delivery anti-freeze expansion canal cross section figure；
In figure：1. impervious barrier, above to have the geomembrane cloth of soil protection or the cast-in-place concrete slab that bears down on one；2. side slope coagulation
Native plate；3. canal base concrete plate；4. geotextile；5. canal base is native；6. sand gravel fill stratum；7. winter channel water is deep；8. gravel
9. distance of the sand gravel layer bottom away from channel water plane of horizontal width of rock layers；Freeze deeply 10. sand gravel fill stratum is equivalent；11. collection
Water pipe；12. non-return valve.
Specific embodiment
Existing channel, which changes, to be filled out, and is that the frost heave canal base soil in the deep range of jelly at canal bottom and two side slopes is replaced into certain thickness
Sand gravel layer is spent, i.e., changes and fills out on tunneling boring, and to be canal bottom and canal side slope do not freeze the base soil in region not to the displacement method that this patent is carried
Displacement, is only replaced into sand gravel, waterproof is done on sand gravel layer top, is made instead of geotextile by the base soil soil in canal side slope frozen region
Filtering layer, and it is equipped with corresponding pumping equipment.Below by specific embodiment, the technical solution of the utility model is done further
Detailed description.
Embodiment 1
As shown in Figure 1, the displacement that the utility model destroys for Frozen Area winter without ice sheet canal for water conveyance anti-freeze expansion
Structure according to frost heave feature of the Frozen Area winter without ice sheet canal for water conveyance, makes full use of the insulation effect of winter water in a canal, adopts
Sand gravel is replaced with non-tunneling boring, it is characterised in that：Frost heave canal base soil quilt in the range of the depth of freezing of channel side slopes top
It is replaced into non-frost heave soil --- sand gravel, sand gravel fill stratum 6 is following and two sides are laid with the geotechnique with reverse filter effect and knit
Object 4, the top of sand gravel fill stratum 6 of canal top of the slope are laid with impervious barrier 1, and in 6 lowest part of sand gravel fill stratum, farthest from canal slope surface
Position be laid with collector pipe 11 along canal, and several staple shaft and mating facilities that draw water of catchmenting are set.
Embodiment 2
Referring to Fig. 1, the displacement knot destroyed for Frozen Area winter without ice sheet canal for water conveyance anti-freeze expansion of the present embodiment
Structure, with embodiment 1 the difference lies in：The impervious barrier 1 that sand gravel fill stratum 6 is laid with is above has soil protection geomembrane cloth
Or concrete slab, the width of geomembrane cloth or concrete slab are more than the horizontal width of sand gravel layer.
Embodiment 3
Referring to Fig. 1, the displacement knot destroyed for Frozen Area winter without ice sheet canal for water conveyance anti-freeze expansion of the present embodiment
Structure, with embodiment 1 or embodiment 2 the difference lies in：Though the frost heave canal base soil in the non-frozen region in channel side slopes lower part
It does not replace, but the geotechnique with anti-filter is also laid between the canal base soil of the non-frozen region of side slope concrete slab and its underpart
Fabric, and on non-frozen region inner concrete plate plus tend in canal and can be to the non-return valve 12 of canal internal drainage.
The utility model is used for the replacing structure destroyed without ice sheet canal for water conveyance anti-freeze expansion in Frozen Area winter, sand gravel
6 lower surface of fill stratum is less than channel water face, and the two distance jelly equivalent not less than canal side slope sand gravel fill stratum is deeply and more than slope angle
The product of string；The equivalent depth of freezing of sand gravel layer is the thermal resistance of former canal base frozen soil and the product of the thermal conductivity factor of sand gravel（Replacement rate is 100%
When）.
In canal cross section, the horizontal width of sand gravel fill stratum is equivalent not less than the sand gravel of canal side slope to freeze depth and slope angle
The quotient of sine；The equivalent depth of freezing of sand gravel layer is the thermal resistance of former canal base frozen soil and the product of the thermal conductivity factor of sand gravel（Replacement rate is
When 100%）.
What sand gravel layer two sides and base were laid with has the function of the geotextile of anti-filter, and sand gravel layer is wrapped in geotechnique
In fabric, the geotextile at top is folded to sand gravel layer and is laid under impervious barrier.
The staple shaft that catchments is arranged in the canal base do not replaced away from outside 2-3 meters on the outside of sand gravel, and water passes through with catchmenting in collector pipe
The connected drainpipe of pipe is drained into the staple shaft that catchments, and the staple shaft that catchments is equipped with the corresponding pumping equipment dark well water that will catchment and is evacuated to canal
In.
By existing construction technology compacting canal base soil.On the canal base soil of compacting replacement section is wanted with existing method opening excavation
The groove of position, cutting depth are the thickness of the sand gravel layer of displacement, and carrying out geotechnique by the prior art in canal slope slot side and slot bottom knits
The laying of object, groove is interior to be laid with the soakaway trench protected with loaded filter, and water is drained into catchmenting in the former canal base soil by sand gravel layer
In staple shaft, and the facility that draws water accordingly is configured.Backfill sand gravel layer.Original soil between two sand gravel layers and the lower part canal soil body are dug
Go out, and repair domatic into gool, the laying of entire gool slope surface geotextile, folding is in Qu Po on the geotextile at sand gravel layer bottom
Under the geotextile in face.Slope surface is laid with canal bottom or casting concrete is into liner plate, and underwater canal slope concrete slab, which is equipped with, to incline
To in canal and to the non-return valve of canal internal drainage.
Claims (7)
1. a kind of replacing structure destroyed for Frozen Area winter without ice sheet canal for water conveyance anti-freeze expansion, is put using non-tunneling boring
Change sand gravel, it is characterised in that：Frost heave canal base soil in the range of the depth of freezing of channel side slopes top is replaced into non-frost heave
Soil --- sand gravel, sand gravel fill stratum（6）Following and two sides are laid with the geotextile with reverse filter effect（4）, canal top of the slope
Sand gravel fill stratum（6）Top is laid with impervious barrier（1）, and in sand gravel fill stratum（6）Lowest part, the position farthest from canal slope surface
It puts along canal and is laid with collector pipe（11）, and several staple shaft and mating facilities that draw water of catchmenting are set.
2. the displacement knot according to claim 1 destroyed for Frozen Area winter without ice sheet canal for water conveyance anti-freeze expansion
Structure, it is characterised in that：Sand gravel fill stratum（6）The impervious barrier of laying（1）For the geomembrane cloth or coagulation for above thering is soil to protect
Native plate, and the width of geomembrane cloth or concrete slab is more than the horizontal width of sand gravel fill stratum.
3. the displacement according to claim 1 or 2 destroyed for Frozen Area winter without ice sheet canal for water conveyance anti-freeze expansion
Structure, it is characterised in that：Frost heave canal base soil in the non-frozen region in channel side slopes lower part is not replaced, and side slope concrete slab with
Also the geotextile with anti-filter is laid between the canal base soil of the non-frozen region in its underpart, and mixed in non-frozen region
On concrete board plus tend in canal and to the non-return valve of canal internal drainage（12）.
4. the displacement knot according to claim 3 destroyed for Frozen Area winter without ice sheet canal for water conveyance anti-freeze expansion
Structure, it is characterised in that：Sand gravel fill stratum（6）Lower surface is less than channel water face, and the two distance is not less than canal side slope sand gravel
Fill stratum is equivalent to freeze the deep product with slope angle cosine；Sand gravel fill stratum is equivalent to freeze the thermal resistance and sand gravel that depth is former canal base frozen soil
The product of thermal conductivity factor.
5. the displacement knot according to claim 3 destroyed for Frozen Area winter without ice sheet canal for water conveyance anti-freeze expansion
Structure, it is characterised in that：In canal cross section, the horizontal width of sand gravel fill stratum is equivalent not less than the sand gravel of canal side slope to be frozen deeply
With the quotient of slope angle sine；The equivalent depth of freezing of sand gravel fill stratum is the thermal resistance of former canal base frozen soil and the product of the thermal conductivity factor of sand gravel.
6. the displacement according to claim 4 or 5 destroyed for Frozen Area winter without ice sheet canal for water conveyance anti-freeze expansion
Structure, it is characterised in that：What sand gravel fill stratum two sides and base were laid with has the function of the geotextile of anti-filter, by sand gravel
Fill stratum is wrapped in geotextile, and the geotextile at top is folded to sand gravel layer and is laid under impervious barrier.
7. according to claim 1,2,4 or 5 is used for what Frozen Area winter destroyed without ice sheet canal for water conveyance anti-freeze expansion
Replacing structure, it is characterised in that：The staple shaft that catchments is arranged in the canal base do not replaced away from 2-3 meters on the outside of sand gravel outside, in collector pipe
Water is drained by the drainpipe being connected with collector pipe in the staple shaft that catchments, and the staple shaft that catchments, which is equipped with corresponding pumping equipment, will catchment staple shaft
Middle water is evacuated in canal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721680344.7U CN207553039U (en) | 2017-12-06 | 2017-12-06 | The replacing structure destroyed for Frozen Area winter without ice sheet canal for water conveyance anti-freeze expansion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721680344.7U CN207553039U (en) | 2017-12-06 | 2017-12-06 | The replacing structure destroyed for Frozen Area winter without ice sheet canal for water conveyance anti-freeze expansion |
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| Publication Number | Publication Date |
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| CN207553039U true CN207553039U (en) | 2018-06-29 |
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ID=62665042
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721680344.7U Active CN207553039U (en) | 2017-12-06 | 2017-12-06 | The replacing structure destroyed for Frozen Area winter without ice sheet canal for water conveyance anti-freeze expansion |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108166455A (en) * | 2017-12-21 | 2018-06-15 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of construction method and structure of High-cold regions excavation channel anti-freeze expansion |
| CN110206100A (en) * | 2019-06-18 | 2019-09-06 | 济南大学 | A kind of equivalent, which fills to take out, recycles the method that underground heat can be carried out ice age water delivery |
| CN111719509A (en) * | 2020-06-05 | 2020-09-29 | 西北农林科技大学 | Heat-preservation anti-frost-heaving phase-change heat-insulation board for foundation soil of canal in salt cold region |
| CN111912693A (en) * | 2020-07-30 | 2020-11-10 | 石河子大学 | Frozen soil, frozen soil and frozen soil engineering research foundation platform |
| CN116516898A (en) * | 2023-06-30 | 2023-08-01 | 水利部交通运输部国家能源局南京水利科学研究院 | High-groundwater excavation channel side slope drainage system and construction method |
| CN117588603A (en) * | 2024-01-18 | 2024-02-23 | 衡水道一工程材料有限公司 | Warm water overflow pipe and severe cold region water delivery channel protection system comprising same |
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- 2017-12-06 CN CN201721680344.7U patent/CN207553039U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108166455A (en) * | 2017-12-21 | 2018-06-15 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of construction method and structure of High-cold regions excavation channel anti-freeze expansion |
| CN108166455B (en) * | 2017-12-21 | 2020-03-03 | 水利部交通运输部国家能源局南京水利科学研究院 | Construction method and structure for preventing frost heaving of excavation channel in high and cold area |
| CN110206100A (en) * | 2019-06-18 | 2019-09-06 | 济南大学 | A kind of equivalent, which fills to take out, recycles the method that underground heat can be carried out ice age water delivery |
| CN110206100B (en) * | 2019-06-18 | 2021-06-04 | 济南大学 | Method for conducting water delivery in ice period by equivalently filling and pumping and recycling geothermal energy |
| CN111719509A (en) * | 2020-06-05 | 2020-09-29 | 西北农林科技大学 | Heat-preservation anti-frost-heaving phase-change heat-insulation board for foundation soil of canal in salt cold region |
| CN111719509B (en) * | 2020-06-05 | 2021-12-24 | 西北农林科技大学 | Heat-preservation anti-seepage anti-frost-heaving method for heat-preservation anti-frost-heaving phase-change heat-preservation plate for foundation soil of canal in salt cold region |
| CN111912693A (en) * | 2020-07-30 | 2020-11-10 | 石河子大学 | Frozen soil, frozen soil and frozen soil engineering research foundation platform |
| CN111912693B (en) * | 2020-07-30 | 2023-06-30 | 石河子大学 | Frozen soil, frozen soil and frozen soil engineering research foundation platform |
| CN116516898A (en) * | 2023-06-30 | 2023-08-01 | 水利部交通运输部国家能源局南京水利科学研究院 | High-groundwater excavation channel side slope drainage system and construction method |
| CN116516898B (en) * | 2023-06-30 | 2023-08-29 | 水利部交通运输部国家能源局南京水利科学研究院 | High-groundwater excavation channel side slope drainage system and construction method |
| CN117588603A (en) * | 2024-01-18 | 2024-02-23 | 衡水道一工程材料有限公司 | Warm water overflow pipe and severe cold region water delivery channel protection system comprising same |
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