CN104234010B - Construction method for ecological draining and accumulating water channel - Google Patents

Construction method for ecological draining and accumulating water channel Download PDF

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Publication number
CN104234010B
CN104234010B CN201410415713.4A CN201410415713A CN104234010B CN 104234010 B CN104234010 B CN 104234010B CN 201410415713 A CN201410415713 A CN 201410415713A CN 104234010 B CN104234010 B CN 104234010B
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accumulating
canal
water
draining
arc
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CN104234010A (en
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孙淑英
辛胜利
孙明文
孙德森
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Inner Mongolia University
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Inner Mongolia University
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Abstract

The invention discloses a construction method for an ecological draining and accumulating water channel. The construction method is characterized in that a water channel with the length of 5.0-35.0m, the width of an upper opening of 1.0-3.5m and the depth of 0.4-2.0m is dug at a part which is 10.0-30.0m far away from a side slope on a flat plate ground of a strip mine refuse dump; the gradients of the two sides of the water channel are 15-35 degrees; one to five downstream pipelines with a low inside and a high outside are transversely buried on the outer side of the water channel; a communicated channel with the depth of 0.4-0.8m, the width of 0.5-1.0m and the length of 5-30m is dug between arc-shaped draining and accumulating water channels; a water retaining dam is constructed at a 1.0-m part of the outer side of each draining and accumulating water channel; a protection dam is constructed at a part which is 1.0m far away from the edge of the inner side in each arc-shaped draining and accumulating water channel. After the draining and accumulating water channels are communicated, water separation dams are constructed at the two ends of the channel to form one arc-shaped communicated type ecological draining and accumulating water channel with great water draining and accumulating amount. The arc-shaped communicated type ecological draining and accumulating water channel can avoid collapsing and the water accumulating amount is increased; the water and soil loss can be prevented and landslide is avoided.

Description

A kind of ecological water draining and accumulating canal construction method
Technical field
The present invention relates to opencast coal mine dump soil and water conservation method, refer in particular to one kind and can increase reservoir storage to prevent water and soil stream Become estranged the arc communication type ecology water draining and accumulating canal construction method on landslide.
Background technology
Open-pit mine blast refers to the specified place that open-pit mine stope overburden is entered, and general overburden amount can be mining amount Several times or more than ten times, anti-, pumping equipment is generally set, to keep the stabilization of refuse dump slope angle.It is outdoor to build water draining and accumulating canal A kind of effective soil and water conservation method in ore deposit refuse dump.
At present, the method for digging of conventional opencast coal mine dump water draining and accumulating canal has two kinds:One kind is in refuse dump square position Between side slope 5.0-20.0m, width 0.8-1.5m, depth 0.8-1.5m through type water draining and accumulating canals are dug;One kind is apart from square position gear At cob wall 5.0-15.0m, 0.8-1.5m wide, depth 0.8-1.5m, a 5.0-20.0m retainings canal long, the interval between water channel are dug Distance is 5.0-30.0m.Because refuse dump is that open coal mine peels off earthwork casting formation in 3-5, soil layer is built on the sand.With Upper two kinds of retaining canals take right angle to excavate, and through rain drop erosion, immersion during rainfall, the soil of surrounding is inwardly collapsed, and periphery produces crack, Rainwater is collapsed soil and is blocked to accumulation is permeated at the low crack of physical features, increases impact failure of the rainwater to square position on the outside of retaining canal Intensity, when rainfall is big, retaining wall on the outside of square position of easily destroying by rush of water causes domatic wide-spread decline, and severe water and soil erosion is destroyed by rush of water Vegetation is difficult to recover.Develop a kind of being both avoided that to collapse, reservoir storage can be increased again, prevent erosion, it is to avoid come down Water draining and accumulating canal construction method, be ensure open-pit mine blast ecological management quality and effect in the urgent need to.
The content of the invention
The patent of the present invention technical problem to be solved is to provide a kind of arc communication type ecology water draining and accumulating canal construction method, this Planting ecological water draining and accumulating canal construction method can increase reservoir storage, prevent erosion, avoid coming down, prevent rainwater from being caused to refuse dump Harm.
The technical problem to be solved in the present invention is realized by following scheme:A kind of ecological water draining and accumulating canal construction method, it is special Levying is:At open-pit mine blast square position ground distance side slope 10.0-30.0m, 5.0-35.0m long, 1.0- wide suitable for reading are built in digging 3.5m, depth 0.4-2.0m, 15-35 ° of the gradient of water channel both sides build up arc low between the shallow centre depth in both sides, a two ends senior middle school Retaining canal, water channel bury laterally outside in low outer high, angle of inclination be 15-25 °, a diameter of 0.1-0.25m, 2.0-6.0m long Pipeline 1-5 roots, dig depth 0.4-0.8m, width 0.5-1.0m, 5.0-30.0m UNICOMs long canal, with digging downstream between arc water draining and accumulating canal The soil for going out builds 0.7-1.0m high, bottom 1.0-1.5m wide, top 0.5-1.0m checkdams wide at 1.0m on the outside of water draining and accumulating canal. Each arc retaining canal builds a 0.3-0.8m high, bottom 0.5-1.0m wide, top 0.4- wide at the 1.0m of inside edge 0.7m protects dam.Retaining canal checkdam builds sowing grass filling seed, litters curtain through compacting, reduces impact of the rainwater to soil Power, root system of plant being capable of Gu Ba, Hu Qu.The quantity of arc water draining and accumulating canal will according to the fluctuating of field ground, the gradient size come It is determined that, expansion reservoir storage should be reached, it can be made not excessive again.After determining that several water draining and accumulating canals are connected, repaiied at the two ends of canal 1.0-1.5m high, bottom 1.5-2.0m wide, top 0.8-1.0m water proofs dam wide are built, the big arc UNICOM of a water draining and accumulating amount is formed Formula ecology water draining and accumulating canal.
It is an advantage of the invention that:A kind of ecological water draining and accumulating canal construction method, take arc dig build, Qian Qu UNICOMs, water channel The trimmed compacting in both sides, the gradient is between 15-35 °.Sowing plant litters curtain can strengthen the steadiness of water channel, checkdam, make it In the washing away and soak of current, the earthwork on periphery is not collapsed, it is to avoid periphery produces crack.Multiple water channels are connected, a water After canal stores full water, rainwater is diverted to other water channels by UNICOM's canal, increases reservoir storage, prevents rainwater excessive;Ecological water draining and accumulating canal The rainwater built up between side slope is flowed under the obstruct of interior checkdam by UNICOM's canal, it is to avoid current are rushed to arc water draining and accumulating canal Brush;The rainwater built up between checkdam and square position on the outside of ecological water draining and accumulating canal flows into retaining by laterally embedded pipeline downstream Canal, prevent rainwater be accumulated to low-lying place destroy by rush of water retaining wall, cause landslide.By design, implementation, dig and build arc water draining and accumulating canal, it is many Canal is connected;Checkdam is built, plant is sowed, is littered curtain, embedded pipeline downstream, composition arc communication type ecology water draining and accumulating canal, Increased the water draining and accumulating function of water channel, it is to avoid the harm that soil erosion and rainwater are caused, improve and protection ecology of mining areas is administered Quality, accelerates ecology of mining areas and administers process.
Brief description of the drawings
Fig. 1 is ecological water draining and accumulating canal floor map.
Fig. 2 is ecological water draining and accumulating canal longitudinal sectional view.
Fig. 3 is ecological water draining and accumulating canal transverse sectional view.
In figure:1st, arc retaining canal 2, UNICOM's canal 3, outside checkdam 4, inner side protection dam 5, water proof dam 6, horizontal stroke To pipeline downstream
Specific embodiment
Below in conjunction with the accompanying drawings for an embodiment:
As shown in figure 1, the 15.0m long of arc retaining canal 1,2.5m wide suitable for reading, depth 0.4-1.5m, the gradient 15- of water channel both sides 35 °, the 15.0m long of UNICOM's canal 2, width 0.8m, depth 0.5m, the 1.0m high of outside checkdam 3, bottom 1.5m wide, top 0.7m wide, inner side Protection dam 4 0.5m high, bottom 0.8m wide, top 0.4m wide, the 1.0m high of water proof dam 5, bottom 1.5m wide, top 0.7m wide, outward Side block dam the bottom embedded horizontal 3.5m long of pipeline 6, diameter 0.2m downstream.The rainwater that water draining and accumulating canal inner side is built up is by downstream Pipeline 6 is flowed into canal, it is to avoid current directly wash away water draining and accumulating canal.Checkdam sowing grass fills seed, litters curtain, can reduce rainwater Scouring intensity, prevent rain water runoff.

Claims (1)

1. a kind of ecological water draining and accumulating canal construction method, it is characterized in that:In open-pit mine blast square position ground distance side slope 10.0- At 30.0m, 5.0-35.0m long, 1.0-3.5m wide suitable for reading, depth 0.4-2.0m are built in digging, and 15-35 ° of the water channel both sides gradient builds up one Low arc retaining canal between shallow middle deep, the two ends senior middle school in both sides, each water channel is longitudinally embedded interior low outer by square position retaining wall side High, gradient is 15-25 °, a diameter of 0.1-0.25m, the 1-5 roots of pipeline downstream of 2.0-6.0m long, arc water draining and accumulating canal transverse direction Connection, digs depth 0.4-0.8m, width 0.5-1.0m, 5.0-30.0m UNICOMs long canal between water channel, with the soil for digging out outside water draining and accumulating canal At the 1.0m of side, 0.7-1.0m high, bottom 1.0-1.5m wide, top 0.5-1.0m checkdams wide are built;Away from each arc retaining canal A 0.3-0.8m high, bottom 0.5-1.0m wide, top 0.4-0.7m protection dam wide are built at the 1.0m of inside edge;Retaining canal After checkdam build, litter curtain, sowing grass through compacting and fill seed, buffer and reduce impulsive force of the rainwater to soil, plant growth After getting up, root system being capable of Gu Ba, Hu Qu;The quantity of arc water draining and accumulating canal will according to the fluctuating of field ground, the gradient size come It is determined that, expansion reservoir storage should be reached, it can be made not excessive again;After determining that several water draining and accumulating canals are connected, repaiied at the two ends of canal 1.0-1.5m high, bottom 1.5-2.0m wide, top 0.8-1.0m water proofs dam wide are built, the big arc UNICOM of a water draining and accumulating amount is formed Formula ecology water draining and accumulating canal.
CN201410415713.4A 2014-08-15 2014-08-15 Construction method for ecological draining and accumulating water channel Active CN104234010B (en)

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CN105625269B (en) * 2015-12-26 2017-11-10 黄禹尧 Double walls of ditch three, which dam, blocks sand shield canal ship shape traverse furrow
CN107761657A (en) * 2017-10-30 2018-03-06 中国矿业大学 A kind of landscape ecosystem based on North large-scale coal-electricity base refuse dump

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KR20100011401A (en) * 2008-07-25 2010-02-03 (주)자연과학 Method for constructing an ecotype water channel structure
CN102733401A (en) * 2012-06-25 2012-10-17 西北综合勘察设计研究院 Method for treating dump slope of surface mine
CN103061327A (en) * 2013-01-22 2013-04-24 中钢集团马鞍山矿山研究院有限公司 Comprehensive water control technique for dump

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KR20100011401A (en) * 2008-07-25 2010-02-03 (주)자연과학 Method for constructing an ecotype water channel structure
CN102733401A (en) * 2012-06-25 2012-10-17 西北综合勘察设计研究院 Method for treating dump slope of surface mine
CN103061327A (en) * 2013-01-22 2013-04-24 中钢集团马鞍山矿山研究院有限公司 Comprehensive water control technique for dump

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