CN107165176A - A kind of method for strengthening the native check dam in the slope collapse exit or entrance of a clitch or check dam sediment trapping retaining - Google Patents
A kind of method for strengthening the native check dam in the slope collapse exit or entrance of a clitch or check dam sediment trapping retaining Download PDFInfo
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- CN107165176A CN107165176A CN201710417428.XA CN201710417428A CN107165176A CN 107165176 A CN107165176 A CN 107165176A CN 201710417428 A CN201710417428 A CN 201710417428A CN 107165176 A CN107165176 A CN 107165176A
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- check dam
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- slope collapse
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
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Abstract
The invention discloses a kind of method for strengthening the native check dam in the slope collapse exit or entrance of a clitch or check dam sediment trapping retaining.Build native check dam or soil property check dam in slope collapse mouthful downstream, dam site selection channel gradient relatively delays, can alluvial plain area larger part, then plant grass planting by plant between slope collapse bottom to the ecological region planting bamboo plant between slope collapse mouthful downstream check dam or check dam, bamboo.Implement after kind of bamboo improvement, slope collapse ditch bed and punching (flood) product are fanned the nutrient content such as the soil organism and nitrogen phosphorus and significantly improved, and soil is improved, and plant growing condition is improved.Sustainable Operation is utilized after bamboo grows into forest, cut selectively for building, traffic, furniture, papermaking, craft woven etc., certain economic benefit can be obtained.
Description
Technical field：
The invention belongs to bringing soil erosion under control field, and in particular to one kind strengthens the native check dam in the slope collapse exit or entrance of a clitch or check dam sediment trapping
The method of retaining.
Background technology：
Collapsed gully erosion is a kind of serious soil loss pattern, is distributed widely in southern low hilly land area, serious slope collapse
Corrode can destroyed land resource, damage basic farmland, deteriorate ecological environment and aggravation natural calamity, seriously threaten territory, ecology
And public safety.The general method using " above block, lower stifled, middle green " is administered in slope collapse, and interception of being ditched at the top of slope collapse is catchmented slope
Face earth's surface charge for remittance, check dam is built at the slope collapse exit or entrance of a clitch or downstream or check dam blocks stifled runoff and silt, wall is collapsed inside slope collapse, colluvial
The bare slopes such as heap build platform planting plants.But this river harnessing ideas is related to great system engineering, in the specific implementation
Suffer from the limitation of various conditions.What some places were more typical at present often simply builds native check dam at the slope collapse exit or entrance of a clitch or downstream
Or soil property check dam, for retaining silt, with prevent or mitigate collapsed gully erosion silt it is direct under let out influence to downstream area.But
Due to slope collapse top catchment it is domatic high steep inside the domatic effect of confluxing and slope collapse, ditch head retrogressive erosion, collapse wall erosion and cave in,
Colluvial heap is secondary to be corroded etc. and constantly to occur, runoff carry under one's arms silt from top to down directly under let out, cause silt in check dam or check dam
Preceding alluvial, part silt is even discharged downstream with runoff from spillway.By long-term continuous erosion and alluvial, slope collapse bottom ditch
With turning into Sediment Siltation, vegetation growth condition becomes very severe, can turn into barren land mostly in mouth region domain, even if planting above tall fill
Plant is not easy to growth and grown into forest, and the safety and stability of check dam or check dam crack or damage occurs also by a certain degree of influence
Phenomenon, the high sediment laden flow discharged from excessive Great Gulch also directly threatens the ecological safety of slope collapse downstream area.
The content of the invention：
It is an object of the invention to provide a kind of method for strengthening the native check dam in the slope collapse exit or entrance of a clitch or check dam sediment trapping retaining.The present invention
Using the method for manual intervention, improvement slope collapse bottom utilizes bamboo to check dam or the plant growing condition of check dam forefoot area
The fast life of class plant soon long, root system consolidation force it is strong and it is resistance to the characteristic such as flow or blow over and cover completely, check dam or check dam retaining sediment trapping benefit are improved, so as to solve
Certainly above-mentioned simple check dam or check dam administer the deficiency that collapsed gully erosion is present.
The method for strengthening the native check dam in the slope collapse exit or entrance of a clitch or check dam sediment trapping retaining of the present invention, it is characterised in that including following
Step：
Build native check dam or soil property check dam in slope collapse mouthful downstream, dam site selection channel gradient relatively delays, can alluvial plain area compared with
General goal, is then planted between slope collapse bottom to the ecological region planting bamboo plant between slope collapse mouthful downstream check dam or check dam, bamboo
Grass planting is by plant.
It is preferred that, comprise the following steps that：
A, build native check dam or soil property check dam：Native check dam or soil property check dam, dam site selection are built in slope collapse mouthful downstream
Channel gradient relatively delays, can alluvial plain area larger part, dam foundation contour line is first marked on ground by check dam or check dam design size, clearly
Except the surface dust in contour line, turf, tree root and stone etc., along axis of dam center, engagement groove is excavated from bottom of trench to two lateral sulcus slopes, so
Compaction by layers is tamped immediately to designed elevation after filling out afterwards, thus builds up native check dam or soil property check dam；
B, site preparation dig cave：Bamboo plant is planted, in slope collapse bottom by the row direction vertical with water (flow) direction with digging cave mode
Kind of a plant hole is leveled land and dug by this specification to the region between slope collapse mouthful downstream check dam or check dam, opens sufficient base of often being spreaded manuer in holes behind cave
Fertilizer；
C, plantation bamboo plant：In plantation in annual 3~April, the thick 1.2~1.5cm of bamboo species selection bar biennial bamboo cane connects
The root and stem of certain plants is dug out, and the bamboo tip is decapitated, and stays 1.5~2.0m of bar and 2~3 disk branches, and keeps the rhizome of bamboo kind intact, during plantation from internode
Diagonal is cut off, and angle is cut into bamboo bar end, to accept precipitation, is kept moisture, bamboo kind is put into cave, earthing is buried entirely, two
Grass planting is planted between row bamboo by plant, increases vegetation cover.
Further preferably, comprise the following steps that：
A, build native check dam or soil property check dam：Native check dam or soil property check dam, dam site selection are built in slope collapse mouthful downstream
Channel gradient relatively delays, can alluvial plain area larger part, dam foundation contour line is first marked on ground by check dam or check dam design size, clearly
Except the surface dust in contour line, turf, tree root and stone, along axis of dam center, engagement groove, groove width are excavated from bottom of trench to two lateral sulcus slopes
With each 0.5m~1.0m of groove depth, then compaction by layers is to designed elevation, loose 3~5cm of upper soil horizon before banketing, and every layer is filled out
0.25~0.30m of soil, tamps immediately after filling out, and thus builds up native check dam or soil property check dam；
B, site preparation dig cave：Bamboo plant is planted by the row direction vertical with water (flow) direction with digging cave mode, and seeding row spacing 3m ×
5m, is leveled land and is dug kind of a plant hole by this specification in slope collapse bottom to the region between slope collapse mouthful downstream check dam or check dam, plant
Plant hole specification is long 0.8m, width 0.6m, depth 0.4m, opens sufficient base manure of often being spreaded manuer in holes behind cave, base manure composite fertilizer or organic fertilizer, amount of application
Composite fertilizer is 0.25kg/ caves, and organic fertilizer is 40-50kg/ caves, if soil property silt content is higher, adds to plough and plants the good soil property of land reform；
C, plantation bamboo plant：In plantation in annual 3~April, the thick 1.2~1.5cm of bamboo species selection bar biennial bamboo cane connects
The root and stem of certain plants is dug out, and the bamboo tip is decapitated, and stays 1.5~2.0m of bar and 2~3 disk branches, and keeps the rhizome of bamboo kind intact, protects eye and root
Point, diagonal is cut off from internode during plantation, and angle is cut into bamboo bar end, to accept precipitation, keeps moisture, bamboo kind is put into cave
Interior, earthing is buried entirely, and brambles, molasses grass are planted between two row bamboos, increases vegetation cover.
The present invention is in the way of engineering measure and plant measures are combined, by bamboo plant and check dam or check dam composition one
The individual complete slope collapse exit or entrance of a clitch and punching (flood) product fan erosion control system, can reach obvious slope collapse harness effect.Bamboo plant has
There is natural propagation ability and take out the characteristics such as bamboo shoot stooling strong, fast growth, branch bar be tall and straight and branches and leaves are luxuriant, plant then, when
Year takes out bamboo shoot tiller, and Second Year just can grow into forest, and can effectively block within the 3rd year slope collapse, plays sediment trapping retaining, protection check dam or sediment trapping
The function of dam safe operation.Bamboo plant well developed root system, is reticulated, and can concentrate at downwards in divergent contour to surrounding extension growth
In deeper soil layer, with flourishing whip root formation tufted bamboo pier, crisscross root system and deep-rooted bamboo pier can effectively subtract
Slow, scattered runoff, retains silt.Implement after kind of bamboo improvement, slope collapse ditch bed and punching (flood) product fan soil organism and nitrogen phosphorus etc.
Nutrient content is significantly improved, and soil is improved, and plant growing condition is improved.Sustainable Operation is utilized after bamboo grows into forest,
Cut selectively for building, traffic, furniture, papermaking, craft woven etc., certain economic benefit can be obtained.
Brief description of the drawings：
Fig. 1 is the slope collapse exit or entrance of a clitch and punching (flood) product fan erosion control System planes schematic diagram；
Fig. 2 is the slope collapse exit or entrance of a clitch and punching (flood) product fan erosion control system diagrammatic cross-section.
Embodiment：
Following examples are that the present invention is further illustrated, rather than limitation of the present invention.
Embodiment 1：
As depicted in figs. 1 and 2, with reference to Fig. 1 and Fig. 2 native check dams in the reinforcement slope collapse exit or entrance of a clitch for describing the present invention or check dam
The method of sediment trapping retaining, is comprised the following steps that：
The place that raceway groove is more straight at the active type slope collapse exit or entrance of a clitch, ditch stenostomia, volume are big, basis is good, i.e. dam site are selected
Select channel gradient relatively delay, can alluvial plain area larger part addressing build soil property check dam, check dam design height of dam 4.5m, long 102m,
The wide 2m of dam crest.Dam foundation contour line is first marked during construction on ground, clear base is carried out, the surface dust on ground, turf, tree in contour line is removed
Root and stone etc., along axis of dam center, engagement groove are excavated from bottom of trench to two lateral sulcus slopes, then groove width 1.0m, groove depth 0.5m are layered
Earth filling tamping visits pine every layer of top 3~5cm of consolidation soil layer, the every layer of 0.25~0.30m that bankets, after filling out immediately to height of dam before banketing
Compacting, thus builds up check dam.Leveled land in check dam to slope collapse bottom section, bamboo plant is vertical with water (flow) direction by row
Direction, dig kind of a plant hole.Plant hole longitudinal hill spacing 5m, horizontal hill spacing 3m are planted, cave specification is opened for 0.8m × 0.6m × 0.4m, opens behind cave
Often spread manuer in holes composite fertilizer 0.25kg.Bamboo is planted in April, and bamboo kind is sinocalamus latiflorus, green bamboo, hardhead is yellow, strangle young bamboo or bamboo shoot bamboo etc., bamboo
Thick 1.2~the 1.5cm of selector biennial bamboo cane is planted, even the root and stem of certain plants is dug out, and the bamboo tip is decapitated, stays 1.5~2.0m of bar and 2~3 disks branches,
And keep the rhizome of bamboo kind intact, especially to protect eye and root point.Diagonal is cut off from internode during plantation, and bamboo bar end is cut
Into angle, to accept precipitation, moisture is kept.It is vertical with water (flow) direction during plantation in a row to plant, bamboo kind is put into kind of plant hole
Earthing afterwards, place plantation sinocalamus latiflorus close to slope collapse, strangles young bamboo, and the silted land plantation green bamboo of alluvial fan, hardhead are yellow or strangle young bamboo, OK
Away from 5m, spacing in the rows 3m.The shrubs such as brambles, molasses grass are planted between two row bamboos, the silt amount of retaining of vegetation is increased.By inquiry with
Monitoring, bamboo plantation in April, takes out bamboo shoot rate up to more than 65% then, after growing 6 months, and one plant of single bamboo can tiller 3~5.Root system
Flourishing shape is for example netted, and concentrates at the deep soil layers of 30~40cm, consolidated soil downwards, and root range is big, forms bamboo pier one by one, point
Dissipate and delay runoff, soil protection is from washing away loss.Monitoring result (being shown in Table 1) shows, under the conditions of identical rainfall, plants
Bamboo area reduces 56.0% than the annual runoff of check plot (not planting bamboo, do not build check dam), and mould is corroded in runoff coefficient reduction by 63.0%
Number reduces 74.3%, and water conservation efficiency of soil conservation is notable.Soil fertility is improved after kind of bamboo, plant growing condition be improved significantly.According to
Sampling analysis (the results are shown in Table 2), and the Zhong Zhu areas soil organism, full nitrogen, full phosphorus, full potassium content increase than check plot respectively
40.5%th, 46.0%, 33.3%, 14.3%.Can also increase the income of local farmers after kind of bamboo, bamboo have growth it is fast,
The features such as cycle is short, purposes is wide, economic value is high, is widely used in building, traffic, furniture, papermaking, craft woven etc..
The slope collapse Zhong Zhu areas soil and water conservation benefit of table 1
The slope collapse Zhong Zhu areas soil nutrient content of table 2
Claims (3)
1. a kind of method for strengthening the native check dam in the slope collapse exit or entrance of a clitch or check dam sediment trapping retaining, it is characterised in that comprise the following steps：
Build native check dam or soil property check dam in slope collapse mouthful downstream, dam site selection channel gradient relatively delays, can alluvial plain area larger part,
Then grass planting quilt is planted between slope collapse bottom to the ecological region planting bamboo plant between slope collapse mouthful downstream check dam or check dam, bamboo
Plant.
2. according to the method described in claim 1, it is characterised in that comprise the following steps that：
A, build native check dam or soil property check dam：Native check dam or soil property check dam, dam site selection raceway groove are built in slope collapse mouthful downstream
Relatively delay than drop, can alluvial plain area larger part, dam foundation contour line is first marked on ground by check dam or check dam design size, wheel is removed
Surface dust, turf, tree root and stone in profile etc., along axis of dam center, engagement groove, Ran Houfen are excavated from bottom of trench to two lateral sulcus slopes
Layer earth filling tamping is tamped to designed elevation, thus builds up native check dam or soil property check dam immediately after filling out；
B, site preparation dig cave：Bamboo plant is planted by the row direction vertical with water (flow) direction with digging cave mode, in slope collapse bottom to collapsing
Kind of a plant hole is leveled land and dug in region between Gang Kou downstreams check dam or check dam by this specification, opens sufficient base manure of often being spreaded manuer in holes behind cave；
C, plantation bamboo plant：In plantation in annual 3~April, the thick 1.2~1.5cm of bamboo species selection bar biennial bamboo cane, even root and stem of certain plants digging
Go out, the bamboo tip be decapitated, stay 1.5~2.0m of bar and 2~3 disks branch, and keep the rhizome of bamboo kind intact, during plantation from internode diagonal
Cut-out, bamboo bar end is cut into angle, bamboo kind is put into cave, earthing is buried entirely, and grass planting is planted between two row bamboos by plant, increase
Vegetation cover.
3. method according to claim 2, it is characterised in that comprise the following steps that：
A, build native check dam or soil property check dam：Native check dam or soil property check dam, dam site selection raceway groove are built in slope collapse mouthful downstream
Relatively delay than drop, can alluvial plain area larger part, dam foundation contour line is first marked on ground by check dam or check dam design size, wheel is removed
Surface dust, turf, tree root and stone in profile, along axis of dam center, engagement groove, groove width and groove are excavated from bottom of trench to two lateral sulcus slopes
Deep each 0.5m~1.0m, then compaction by layers is to designed elevation, loose 3~5cm of upper soil horizon before banketing, and every layer is banketed
0.25~0.30m, tamps immediately after filling out, and thus builds up native check dam or soil property check dam；
B, site preparation dig cave：Bamboo plant is planted, seeding row spacing 3m × 5m by the row direction vertical with water (flow) direction with digging cave mode,
Kind of a plant hole is leveled land and dug by this specification in slope collapse bottom to the region between slope collapse mouthful downstream check dam or check dam, plants plant hole
Specification is long 0.8m, width 0.6m, depth 0.4m, opens sufficient base manure of often being spreaded manuer in holes behind cave, and base manure composite fertilizer or organic fertilizer, amount of application are combined
Fertilizer is 0.25kg/ caves, and organic fertilizer is 40-50kg/ caves, if soil property silt content is higher, adds to plough and plants the good soil property of land reform；
C, plantation bamboo plant：In plantation in annual 3~April, the thick 1.2~1.5cm of bamboo species selection bar biennial bamboo cane, even root and stem of certain plants digging
Go out, the bamboo tip be decapitated, stay 1.5~2.0m of bar and 2~3 disk branches, and keep the rhizome of bamboo kind intact, protect eye and root point,
Diagonal is cut off from internode during plantation, and bamboo bar end cuts into angle, bamboo kind is put into cave, earthing is buried entirely, two row bamboos it
Between plantation brambles, molasses grass, increase vegetation cover.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710417428.XA CN107165176A (en) | 2017-06-06 | 2017-06-06 | A kind of method for strengthening the native check dam in the slope collapse exit or entrance of a clitch or check dam sediment trapping retaining |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710417428.XA CN107165176A (en) | 2017-06-06 | 2017-06-06 | A kind of method for strengthening the native check dam in the slope collapse exit or entrance of a clitch or check dam sediment trapping retaining |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109930556A (en) * | 2019-04-24 | 2019-06-25 | 黑龙江省水利科学研究院 | A kind of combined type check dam soil and water conservation method |
| CN110485533A (en) * | 2019-08-28 | 2019-11-22 | 新疆农业大学 | Drought-hit area collection rain flood storage tree planting channel |
| CN110959328A (en) * | 2019-12-26 | 2020-04-07 | 广东省生态环境技术研究所 | Plant sand storage and fixation system for hilly valley land in hilly area |
| CN114711082A (en) * | 2022-04-26 | 2022-07-08 | 广东省科学院生态环境与土壤研究所 | Hillock-caving-volume-caving rapid vegetation recovery technology without soil preparation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1446985A (en) * | 2003-04-08 | 2003-10-08 | 刘平 | Method for harnessing collapsing hill |
| KR20110028801A (en) * | 2009-09-14 | 2011-03-22 | 유재형 | Planting consturuction using the straight bamboo |
| CN102322066A (en) * | 2011-06-21 | 2012-01-18 | 福建省长汀县水土保持站 | Three-in-one slope collapse managing method employing slope management, slope lowering and slope stabilization |
| CN106068753A (en) * | 2016-07-20 | 2016-11-09 | 张盛钟 | Erosion zone, a kind of south collapses hilllock fast greening method |
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2017
- 2017-06-06 CN CN201710417428.XA patent/CN107165176A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1446985A (en) * | 2003-04-08 | 2003-10-08 | 刘平 | Method for harnessing collapsing hill |
| KR20110028801A (en) * | 2009-09-14 | 2011-03-22 | 유재형 | Planting consturuction using the straight bamboo |
| CN102322066A (en) * | 2011-06-21 | 2012-01-18 | 福建省长汀县水土保持站 | Three-in-one slope collapse managing method employing slope management, slope lowering and slope stabilization |
| CN106068753A (en) * | 2016-07-20 | 2016-11-09 | 张盛钟 | Erosion zone, a kind of south collapses hilllock fast greening method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109930556A (en) * | 2019-04-24 | 2019-06-25 | 黑龙江省水利科学研究院 | A kind of combined type check dam soil and water conservation method |
| CN110485533A (en) * | 2019-08-28 | 2019-11-22 | 新疆农业大学 | Drought-hit area collection rain flood storage tree planting channel |
| CN110959328A (en) * | 2019-12-26 | 2020-04-07 | 广东省生态环境技术研究所 | Plant sand storage and fixation system for hilly valley land in hilly area |
| CN110959328B (en) * | 2019-12-26 | 2021-09-14 | 广东省生态环境技术研究所 | Plant sand storage and fixation system for hilly valley land in hilly area |
| CN114711082A (en) * | 2022-04-26 | 2022-07-08 | 广东省科学院生态环境与土壤研究所 | Hillock-caving-volume-caving rapid vegetation recovery technology without soil preparation |
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Application publication date: 20170915 |