CN110080201A - A kind of row's infiltration system and construction method for accelerating the dam body consolidation settlement of alkaline residue library - Google Patents
A kind of row's infiltration system and construction method for accelerating the dam body consolidation settlement of alkaline residue library Download PDFInfo
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- CN110080201A CN110080201A CN201910420573.2A CN201910420573A CN110080201A CN 110080201 A CN110080201 A CN 110080201A CN 201910420573 A CN201910420573 A CN 201910420573A CN 110080201 A CN110080201 A CN 110080201A
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- dam body
- alkaline residue
- slope surface
- drainage
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- 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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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
The present invention relates to offal treatment field, in particular to a kind of row for accelerating the dam body consolidation settlement of alkaline residue library seeps system and construction method.The row seeps system can be during alkaline residue library newly fills and increases dam body, without extracting other ancillary measures such as vacuum, original alkaline residue water in dam point is actively quickly discharged, accelerate the consolidation of alkaline residue dam body, improve the intensity of dam body soil, to improve the stability of dam body, accelerates the time of alkaline residue discharge storage, improve the utilization rate in alkaline residue library.Row infiltration system construction is convenient, speed is fast；The particularly suitable acceleration alkaline residue library of the drainage system, which is newly filled, increases dam body consolidation settlement, improves the stability of dam body.
Description
Technical field
The present invention relates to offal treatment field, in particular to a kind of row for accelerating the dam body consolidation settlement of alkaline residue library is seeped
System and construction method.
Background technique
Alkaline residue library is alkali station-service in the place of storage alkaline residue, is that alkali factory must build one of project.Alkali factory alkaline residue library majority is thing
Pushing off the slag dam body is first built, alkaline residue in Hydraulic transportation to alkaline residue library and is deposited consolidation by alkali factory.Increasingly with the alkaline residue amount of being discharged into
It is more, alkaline residue library will dilatation, alkaline residue library dam body, which will constantly be widened, to be increased.
Since alkaline residue library dam body is built a dam with alkaline residue, and at present, domestic built alkaline residue field alkaline residue dam body is mostly not set
Arrange infiltration system.And alkaline residue is often that particle is uniformly tiny, water content is high, and infiltration discharging consolidation ability is weaker.In this way in situation often
It will lead to alkaline residue dam body and differential settlement occur, dam body is caused crack occur.Dam body part easily infiltration saturation simultaneously, causes to collapse
It collapses.Therefore the design altitude on alkaline residue dam is limited, it is difficult to make full use of the storage ash storage capacity of cinder field.
After when alkaline residue library, above situation occurs in dam body, alkaline residue there is the hidden danger to leak in alkaline residue library or dam body is basic
It can not elevation and expansion again.It thus just needs separately to build a new alkaline residue library, it is clear that this is very uneconomic.
Summary of the invention
In view of the above-mentioned problems, the present invention provides one to solve the problems, such as that current alkaline residue library dam body consolidation draining is difficult
Kind is for accelerating the row of alkaline residue library dam body consolidation settlement to seep system and construction method, which seeps system and construction method is applied to alkali
Consolidation draining effect is strengthened in the dam strengthening of slag library, improves the intensity of dam body soil, to improve the stability of dam body, accelerates alkaline residue
The time of storage is discharged, the utilization rate in alkaline residue library is improved.The drainage system is easy for construction, speed is fast；The drainage system is especially suitable
Increase dam body consolidation settlement with accelerating alkaline residue library newly to fill, improves the stability of dam body.
Provided by the present invention for accelerate the dam body consolidation settlement of alkaline residue library row seep system, including dam body internal drainage channel and
Dam body slope surface fills loaded filter.
The dam body internal drainage channel is to be obtained by drilling operation, is distributed in inside dam body and the draining of slope surface is logical
Road is made of along dam body vertical direction multilayer drainage cell, and every layer of drainage cell is designed with a plurality of oblique row of equidistantly distributed
The end of water band and horizontal direction drainage belt, horizontal direction drainage belt forms seepage port in dam surface, wherein between drainage cell
Slope surface spacing is 1.5 ~ 2.0m, and the horizontal space between oblique drainage belt is 1.5 ~ 2.0m.
It is that operation acquisition is filled by slope surface that the dam body slope surface, which fills loaded filter, widens slope surface with anti-filter function
Dam body, it is vertically layer structure that the dam body slope surface, which fills loaded filter, and every layer is filled dam body by non-woven geotextile
Anti-package fills to form loaded filter, and the slope surface spacing ratio between the surface width and drainage cell of every layer of loaded filter is 1:3 ~ 4.
In order to carry out confluence management to reverse osmosis draining, all builds and grouted in the slope foot that each layer of dam body slope surface fills loaded filter
Stone gutter is managed collectively for collecting reverse osmosis draining.
Oblique drainage belt, horizontal direction drainage belt and non-woven geotextile provided by the invention are realizing the same of draining
When, the effect of alkaline residue library dam body reinforcement material is also acted, dam body itself shearing strength is increased.
The consolidation draining extracts other ancillary measures such as vacuum without additional increase, and utilizes the dam body slope widened
It fills loaded filter and is able to achieve Auto-drainage with itself loaded weight for increasing operation dam body in face.
A kind of construction method of above-mentioned Active Drainage system for accelerating the dam body consolidation settlement of alkaline residue library, including
Oblique dewatering hose construction and widens loaded filter and fill, specifically includes the following steps:
(1) 1.5 ~ 2m is pressed to existing alkaline residue library dam body slope surface horizontal space, is vertically measured to interlayer slope surface spacing by 1.5 ~ 2.0m
It puts a little；
(2) jumbolter drilling rod carries the drainage belt fixed and puts a point according to measurement, and drilling rod and ground are in 10o~15o, will
Drainage belt heads into existing alkaline residue library design of dam body depth；
(3) after reaching projected depth, jumbolter drilling rod rotary unloading hook is detached from drainage belt and drilling rod, and then drilling rod is extracted out, row
Water band stays in hole；
(4) after drilling rod is fully drawn out, roof-bolter displacement is next put at apply, headed into the drainage belt of dam body in dam body slope surface
Enough length is reserved outside, makees horizontal direction drainage channel in next step construction；
(5) the range surveying setting-out widened at the absolute altitude of width segments bottom according to design outside existing alkaline residue library dam body slope surface, puts
Part outer edge is filled at the absolute altitude of bottom out；
(6) it is laid with one layer of geotextiles on the absolute altitude of bottom, then fills requirement according to design, fills 0.5m thickness alkaline residue；
(7) after filling 0.5m thickness alkaline residue, the non-woven geotextile being laid at the absolute altitude of bottom is tipping up, anti-package, which is lived, fills alkali
The length of slag, anti-package part non-woven geotextile is not less than 1.5m；
(8) one layer of non-woven geotextile is re-layed having filled 0.5m thickness alkaline residue surface, and push down anti-package part non-woven geotextile,
Part outer edge is filled into drainage belt end traction reserved outside dam body slope surface in step (4) simultaneously, and solid with non-woven geotextile
It sets, non-woven geotextile and drainage belt are required to be laid with straight, and smooth, then no curling is filled requirement according to design, filled
0.5m thickness alkaline residue；
(9) step (8) are then repeated to fill existing dam body widened section to designed elevation.
Above-mentioned drainage belt head into existing alkaline residue library design of dam body depth design principle be more than safe slide surface and
Go deep into the existing dam body dam foundation.
The width design principle that above-mentioned dam body slope surface fills loaded filter is to guarantee that alkaline residue is being filled in loaded filter anti-package part
It is not pulled out under lateral forces.
In order to be managed collectively to reverse osmosis draining, above-mentioned construction method further include:
Step (10) builds stone masonry gutter, after filling the every single order dam body slope surface loaded filter of completion, on dam
The slope foot of body slope surface builds stone masonry gutter, oozes out for draining by existing dam body and newly filling dam body along drainage channel
Moisture.
The invention has the following advantages:
1. using drainage belt layering, arranged for interval in row's infiltration system of alkaline residue dam body consolidation settlement provided by the invention: providing alkali
The unimpeded approach of slag library consolidation draining widens the discharging consolidation increased during filling in alkaline residue dam body, has and continues efficiently
Discharging consolidation characteristic.
2. present invention row's infiltration system is during alkaline residue library newly fills and increases dam body, without extracting vacuum etc., other are auxiliary
Help in the case of measure, using the row seep system newly fill increase dam body preloading under actively and during fill construction loads is quick
Original alkaline residue water in dam point, economy is discharged.Accelerate the consolidation of alkaline residue library dam body, the intensity of dam body soil is improved, to mention
The high stability of dam body, accelerates the time of alkaline residue discharge storage, improves the utilization rate in alkaline residue library.
3. the present invention is in addition to the compactness of alkaline residue itself and shearing strength are significantly increased, by reinforcement material drainage belt and soil
Work cloth reinforcement material forms stable reinforced earth dam structure, improves carrying and the shear resistance of alkaline residue dam body, enhances alkaline residue
The reliability in library.
4. slope surface loaded filter structure geotextiles are constituted in the present invention, the loaded filter structure of formation prevents alkaline residue from seeping structure through row
It is flowed out by drainage in dam body channel, filters the draining of alkaline residue field, protect environment.
According to below with reference to the accompanying drawings to detailed description of illustrative embodiments, other features and aspect of the disclosure will become
It is clear.
Detailed description of the invention:
The row for accelerating alkaline residue dam body consolidation settlement that 1 embodiment 1 of attached drawing provides seeps system schematic.
The row for accelerating alkaline residue dam body consolidation settlement that 2 embodiment 1 of attached drawing provides seeps System drainage channel layout figure.
The row for accelerating alkaline residue dam body consolidation settlement that 3 embodiment 1 of attached drawing provides seeps system construction schematic diagram.
The row for accelerating alkaline residue dam body consolidation settlement that 4 embodiment 1 of attached drawing provides seeps the signal of system dam body widened section
Figure.
Symbol meaning in figure: 1. oblique drainage belts；2. horizontal direction drainage belt；3. alkaline residue；4. dam heightening part；
5. original alkaline residue dam body；6. stone masonry gutter；7. dam body slope surface fills loaded filter；8. seepage port.
Specific embodiment:
The various exemplary embodiments of the disclosure, feature and aspect is described in detail below with reference to attached drawing.Identical attached drawing in attached drawing
Label indicates original part functionally identical or similar.
Special term " exemplary " means " being used as example or illustrative " herein.
In addition, giving numerous details in specific embodiment below to better illustrate the disclosure.
It will be appreciated by those skilled in the art that without certain details, the disclosure equally be can be implemented.In some instances, for
Method well known to those skilled in the art, method etc. are not described in detail, to highlight the purport of the disclosure.
Embodiment 1
The storage of alkaline residue 3 has been approached criticality safety position, original 5 specification of alkaline residue dam body in the alkali factory alkaline residue pond of Tangshan business section prince wife pasture
For three steps, the high 4m of first step, the high 7m of second step, the high 4m of third step, three step slopes are than being all 1:1.5, it is contemplated that
4 specification of dam heightening part be 6m, slope ratio 1:1.5 by it is provided by the invention actively arrange infiltration system form it is as follows:
Provided by the present invention for accelerating the row of alkaline residue library dam body consolidation settlement to seep system, including dam body internal drainage channel and dam body
Slope surface fills loaded filter.The dam body internal drainage channel is to be obtained by drilling operation, is distributed in dam body inside and slope surface
Drainage channel be made of along dam body vertical direction multilayer drainage cell, every layer of drainage cell is designed with the more of equidistantly distributed
The oblique drainage belt 1 of item and horizontal direction drainage belt 2, the end of horizontal direction drainage belt 2 is in dam body form of expression seepage port 8, wherein arranging
Slope surface spacing between water unit is 2.0m, and the horizontal space between oblique drainage belt 1 is 1.5m.
It is that operation acquisition is filled by slope surface that the dam body slope surface, which fills loaded filter 7, widens slope with anti-filter function
Face dam body, it is layer structure that the dam body slope surface, which fills loaded filter 7 vertically, and every layer is filled dam body by nonwoven geotechnique
Cloth anti-package fills to form loaded filter, and the slope surface spacing ratio between the surface width and drainage cell of every layer of loaded filter is 1:4.
Stone masonry gutter 6 is all built in the slope foot that each layer of dam body slope surface fills loaded filter 7, for collecting reverse osmosis draining
It is managed collectively.
The above-mentioned construction method for actively arranging infiltration system the following steps are included:
(1) 1.5m is pressed to existing alkaline residue library dam body slope surface horizontal space, each level course interlayer slope surface spacing 2m of vertical direction is surveyed
Amount is put a little.
(2) jumbolter drilling rod carries the drainage belt fixed and puts a point according to measurement, and drilling rod is to be in 15 with groundo's
Fixed drainage belt is headed into existing alkaline residue library safety of dam body sliding surface 5m once by direction.
(3) after reaching projected depth, jumbolter drilling rod, which slightly rotates, is detached from drainage belt and drilling rod, then drilling rod
Extraction, drainage belt stay in hole.
(4) after drilling rod is fully drawn out, roof-bolter displacement is next put at apply, the outer drainage belt of existing dam body slope surface is stopped in advance
Enough length makees horizontal direction drainage channel in next step construction.
Dam body slope surface is filled loaded filter and is realized by non-woven geotextile；Loaded filter non-woven geotextile also serves as alkaline residue library dam body reinforcement
Material increases dam body itself shearing strength.
It is comprised the steps of: when Specific construction
(1) widening at the absolute altitude of width segments bottom outside existing alkaline residue library dam body slope surface is surveyed according to the range of design
Unwrapping wire is measured, releases and fills part outer edge at the absolute altitude of bottom.
(2) it is laid with one layer of non-woven geotextile on the absolute altitude of bottom, then fills requirement according to design, fills 0.5m
Thickness alkaline residue.
(3) after filling 0.5m thickness alkaline residue, the geotextiles being laid at the absolute altitude of bottom are tipping up, anti-package is lived
Alkaline residue is filled, the length of anti-package part geotextiles is not less than 1.5m.
(4) one layer of geotextiles are re-layed having filled 0.5m thickness alkaline residue surface, and pushes down anti-package part geotechnique
Cloth, while part outer edge is filled in drainage belt end traction reserved outside dam body slope surface, and fixes with geotextiles.Geotechnique
Cloth and drainage belt are required to be laid with straight, smooth, no curling.Then requirement is filled according to design, fills 0.5m thickness alkali
Slag.
(5) step (4) are then repeated to fill existing dam body widened section to designed elevation.
System administration is carried out in order to drain to reverse osmosis, every layer of dam body slope surface fills loaded filter lowest level and also built stone masonry row
Ditch, the stone masonry gutter also serve as drainage system in the operation of alkaline residue library dam body later period.Except by normal effects when gutter is designed
Outside factor considers, still it should be noted that the influence of dam body water percolating capacity.
The above content is combine specific preferred embodiment to the further description of the invention made, and it cannot be said that originally
The specific embodiment of invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs,
The other embodiments obtained in the case where not departing from technical solution of the present invention should be included in the protection scope of corresponding invention.
Claims (8)
1. a kind of row for accelerating the dam body consolidation settlement of alkaline residue library seeps system, which is characterized in that the row seeps system and includes
Dam body internal drainage channel and dam body slope surface fill loaded filter.
2. the row according to claim 1 for accelerating the dam body consolidation settlement of alkaline residue library seeps system, which is characterized in that described
Dam body internal drainage channel be to be obtained by drilling operation, be distributed in inside dam body and the drainage channel of slope surface, hang down along dam body
Histogram multilayer drainage cell to being made of, every layer of drainage cell is designed with a plurality of oblique drainage belt and level of equidistantly distributed
To drainage belt, wherein the slope surface spacing between drainage cell is 1.5 ~ 2.0m, the horizontal space between oblique drainage belt is 1.5 ~
2.0m。
3. the row according to claim 2 for accelerating the dam body consolidation settlement of alkaline residue library seeps system, which is characterized in that described
Horizontal direction drainage belt end dam surface formed seepage port.
4. the row according to claim 1 for accelerating the dam body consolidation settlement of alkaline residue library seeps system, which is characterized in that described
Dam body slope surface to fill loaded filter be that operation acquisition is filled by slope surface, widen slope surface dam body with anti-filter function, it is described
Dam body slope surface to fill loaded filter be vertically layer structure, every layer is filled dam body and fills shape by non-woven geotextile anti-package
At loaded filter, the slope surface spacing ratio between the surface width and drainage cell of every layer of loaded filter is 1:3 ~ 4.
5. the row according to claim 3 or 4 for accelerating the dam body consolidation settlement of alkaline residue library seeps system, which is characterized in that
Stone masonry gutter has all been built in the slope foot that every layer of dam body slope surface fills loaded filter, has carried out unification for collecting reverse osmosis draining
Management.
6. the construction method of row's infiltration system as described in claim 1 for accelerating the dam body consolidation settlement of alkaline residue library, feature
It is, comprising the following steps: 1.5 ~ 2m is pressed to existing alkaline residue library dam body slope surface horizontal space, is vertically pressed to interlayer slope surface spacing
1.5 ~ 2.0m measurement is put a little；Jumbolter drilling rod carries the drainage belt fixed and puts a point according to measurement, and drilling rod is in ground
10o~15o, drainage belt is headed into existing alkaline residue library design of dam body depth；After reaching projected depth, jumbolter drilling rod rotary unloading
Hook is detached from drainage belt and drilling rod, and then drilling rod is extracted out, and drainage belt stays in hole；After drilling rod is fully drawn out, under roof-bolter displacement
One put at apply, the drainage belt for having been headed into dam body reserves enough length outside dam body slope surface, makees in next step construction
Horizontal direction drainage channel；Widening at the absolute altitude of width segments bottom outside existing alkaline residue library dam body slope surface measures according to the range of design
Unwrapping wire releases and fills part outer edge at the absolute altitude of bottom；It is laid with one layer of geotextiles on the absolute altitude of bottom, then fills and wants according to design
It asks, fills 0.5m thickness alkaline residue；After filling 0.5m thickness alkaline residue, the non-woven geotextile being laid at the absolute altitude of bottom is tipping up,
Anti-package, which is lived, fills alkaline residue, and the length of anti-package part non-woven geotextile is not less than 1.5m；Filling 0.5m thickness alkaline residue surface again
The row for being laid with one layer of non-woven geotextile, and pushing down anti-package part non-woven geotextile, while will be reserved outside dam body slope surface in step (4)
Part outer edge is filled in the end traction of water band, and fixes with non-woven geotextile, and non-woven geotextile and drainage belt are required to be laid with
Straight, smooth, then no curling fills requirement according to design, fills 0.5m thickness alkaline residue；Then repeating step (8) will be existing
Dam body widened section is filled to designed elevation, and the design principle that the drainage belt heads into existing alkaline residue library design of dam body depth is super
It crosses safe slide surface and gos deep into the existing dam body dam foundation.
7. the width design principle that the dam body slope surface fills loaded filter is to guarantee loaded filter anti-package part in the side for filling alkaline residue
It is not pulled out under to power effect.
8. the construction method of row's infiltration system according to claim 6 for accelerating the dam body consolidation settlement of alkaline residue library, special
Sign is, further includes:
Step (10) builds stone masonry gutter, after filling the every single order dam body slope surface loaded filter of completion, on the slope of dam body slope surface
Foot builds stone masonry gutter, for draining by existing dam body and the new moisture for filling dam body and oozing out along drainage channel.
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| CN201910420573.2A CN110080201A (en) | 2019-05-21 | 2019-05-21 | A kind of row's infiltration system and construction method for accelerating the dam body consolidation settlement of alkaline residue library |
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Cited By (2)
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| CN111305211A (en) * | 2020-03-05 | 2020-06-19 | 中钢集团马鞍山矿山研究总院股份有限公司 | Novel method for heightening and expanding capacity of ultrafine particle tailing pond with one-time dam construction by adopting midline method |
| CN116104052A (en) * | 2023-01-19 | 2023-05-12 | 中煤科工开采研究院有限公司 | Paste alkaline residue safe mining and digging method and dam dismantling method |
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| CN116104052A (en) * | 2023-01-19 | 2023-05-12 | 中煤科工开采研究院有限公司 | Paste alkaline residue safe mining and digging method and dam dismantling method |
| CN116104052B (en) * | 2023-01-19 | 2023-09-05 | 中煤科工开采研究院有限公司 | Paste alkaline residue safe mining and digging method and dam dismantling method |
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