CN105386449A - Gully ecological slope protection structure and construction method thereof - Google Patents

Gully ecological slope protection structure and construction method thereof Download PDF

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Publication number
CN105386449A
CN105386449A CN201510648722.2A CN201510648722A CN105386449A CN 105386449 A CN105386449 A CN 105386449A CN 201510648722 A CN201510648722 A CN 201510648722A CN 105386449 A CN105386449 A CN 105386449A
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China
Prior art keywords
guard member
component
dissected valley
trench
slope protection
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CN201510648722.2A
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CN105386449B (en
Inventor
秦伟
殷哲
左长清
曹文洪
单志杰
王昭艳
燕楠
郭乾坤
李柏
秦俊桃
杜鹏飞
王党伟
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China Institute of Water Resources and Hydropower Research
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China Institute of Water Resources and Hydropower Research
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/20Securing of slopes or inclines
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G22/00Cultivation of specific crops or plants not otherwise provided for

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Botany (AREA)
  • Environmental Sciences (AREA)
  • Revetment (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)

Abstract

The invention discloses a gully ecological slope protection structure and a construction method thereof. The slope protection structure comprises first protection components laid on the slope surface of a gully, second protection components laid on the sloe toe, and third protection components laid at the bottom of the gully. At the junction of the slope surface and the slope toe, the first protection components and the second protection components are laid in an embedding manner. Main body edges of every two adjacent first protection components are in close contact, and a groove structure is formed between two upper bosses of the first protection components. The slope surface protection components, the slope toe protection components and the protection components in the gully bottom direction are arranged, and therefore the problems that in measures in the prior art, the slope protection stability is poor, water permeability is poor, the construction is complex, cost is high, and the vegetation recovery effect is poor are solved.

Description

A kind of dissected valley ecological slope protection structure and construction method thereof
Technical field
The present invention relates to technical field of ecological slope protection, particularly the ecological slope protection structure of the big-and-middle-sized dissected valley in a kind of Northeast black earth area and construction method thereof.
Background technology
Dissected valley is in heavy rain or melt water phase, the incision raceway groove that surface flow concentrates erosion to be formed, and its degree of depth reaches more than several meters, longitudinal section and domatic inconsistent, and common tillage control measure cannot be eliminated.Add up according to investigations, Northeast black earth area dissected valley furrow width between several meters to tens meters, ditch length between tens meters to rice up to a hundred, part can reach hundreds of rice, ditch depth is between tens centimetres to several meters, and the existing erosion groove in Northeast black earth area 29.6 ten thousand, wherein nearly 90,000 ditch body lengths are more than 1000 meters.Dissected valley can aggravate soil erosion, very easily causes rain disaster, produces damaging influence and hinder mechanized farming to arable land and road traffic.Therefore, carry out the Northeast's dissected valley Study on treatment technology and Technique Popularizing application, to the local soil erosion of minimizing, improve foodstuff planting area and improve the ecological environment significant.
At present, traditional erosion groove ditch slope control measures mainly comprises: stone masonry bank protection, cut slope prepare for afforestation, plant dry root grid bank protection etc.Stone masonry bank protection be stone is laid in ditch slope domatic on; between stone, hole cementitious materials (cement mortar) fills closely knit; the domatic formation in whole ditch slope one is made to have the entirety of higher-strength; prevent runoff seepage; protection ditch slope soil erosion slump; but the method cost is relatively high; simultaneously stone to be domaticly closed whole; completely cut off the mass exchange between soil and air, moisture; the hard that formation vegetation cannot grow is domatic, does not therefore meet the requirement of Sustainable Development of Ecological Environment.Cutting slope afforestation is ream the domatic astable entity in ditch slope, grade elimination, reduction helps sliding power, form tableland or fish-scale pit wholely, and plant Qiao, the shrub species (willow, willow etc.) of well developed root system wherein, to increase slope stability and vegetative coverage, but large, the extensive excavation of the method engineering quantity is violent to Soil Slope disturbance, the tree growth of plantation is grown comparatively slow, and it is more weak to resist rain flood erosion ability.Plant dry root grid slope protecting technique is according to plant vegetative propagation principle, it is strong that ability is sprouted in employing point, plant (weeping willow) limb easily taken root, be that netted horizontal type is embedded in the domatic soil in ditch slope by limb, only stay the dry tip crop out of 5-10cm, after being imbedded at the limb in soil and growing side root and being interweaved and reticulating, realize the interception of ditch slope slope runoff and the fixing effect of the soil body, but the method basketry is more loaded down with trivial details, resist rain flood erosion ability more weak, and difficulty is applied to the ditch slope that the gradient is greater than 45 °.
Existing ditch slope Treatment process is mainly divided into the Treatment process based on engineering measure and the Treatment process based on biological control measure two class.Wherein, Treatment process based on engineering measure only stresses to be laid by measure increases slope stability, reduce domatic exposed, control erosion avalanche, and construction costs is relatively high, soil ecology function is had comparatively strong impact and destroyed, the requirement of environment sustainable development cannot be met; Treatment process based on biological control measure only stress by measure lay increase vegetative coverage, reduce rainfall hit spatter, hinder delay runoff wash away, and the disturbance of whole ground is very violent, be limited to the harsh later stage vegetation recovery effect of ditch slope land occupation condition poor, rain flood resist ability is more weak, cannot meet and administer fast and continual and steady ecological construction requirement.
Summary of the invention
Based on the problems referred to above, the invention provides a kind of dissected valley ecological slope protection structure and construction method thereof, by laying slope protection component, basal slope protection component and the guard member along bottom of trench direction, to solve, prior art measure slope stability is poor, bad hydraulic permeability, construction complexity and the problems such as cost is high, vegetation recovery weak effect.
For above-mentioned purpose, the invention provides a kind of dissected valley ecological slope protection structure, it is characterized in that, comprising:
At the first guard member of the domatic laying of dissected valley, at the second guard member of toe laying and the 3rd guard member in bottom of trench laying; The intersection of described domatic and described toe, described first guard member and the second guard member are laid by the mode embedded;
Wherein, described first guard member comprises the main body that cross section is the column structure of regular polygon, at the center of described main body, there is the first through hole, the boss identical with described agent structure is respectively arranged with in the upper and lower of described main body, the circumscribed diameter of described boss is less than the circumscribed diameter of described main body, and the center of described boss has first through hole identical with the center of described main body;
Described second guard member comprise first component parallel to the ground and with domatic parallel second component, the top of described second component has recess, the edges co-operate of the main body of described recess and described first guard member, described first component has the second through hole in vertical direction;
Described 3rd guard member is laid on the bottom of trench of described dissected valley, for the earth of fixing described bottom of trench;
Wherein, the body rim close contact of adjacent two described first guard members, and by forming groove structure between two upper boss of described first guard member.
Wherein, the cross section of the main body of described first guard member is regular hexagon.
Wherein, the first guard member also comprises the plant biological bag be arranged in described first through hole, for planting vegetation.
Wherein, first component and the second component of described second guard member are structure as a whole, and described first component and second component are hexagonal angle degree.
Wherein, the thickness of the body of described first guard member is identical with the thickness of the recess of described second guard member.
Wherein, described 3rd guard member is draining foundation stone component, and described 3rd guard member is draining foundation stone component, and described draining foundation stone component is rectangular structure, and described draining foundation stone component has third through-hole in vertical direction.
Wherein, the second through hole of described second guard member and the third through-hole of described 3rd user's component are for inserting willow stake.
According to another aspect of the present invention, a kind of construction method of laying above-mentioned dissected valley ecological slope protection structure is provided, it is characterized in that, comprising:
S1, the ditch slope of dissected valley and bottom of trench to be arranged, the gradient on described ditch slope is arranged for lower than 60 degree;
S2, laterally lay the second guard member at the toe of described dissected valley;
S3, select the 3rd guard member according to the geographical environment at the width of the bottom of trench of described dissected valley and described dissected valley place and lay;
S4, from bottom the ditch slope of described dissected valley to Gou Po top until the first guard member successively laid by costa colpi line, the edge of the main body of the first guard member described in bottom matches with the recess of described second guard member and lays, and the bottom boss of described first guard member is embedded in soil;
S5, in the first through hole of described first guard member, clog plant biological bag, and in described plant biological bag planting plants.
Wherein, described step S3 specifically comprises:
When selecting described 3rd guard member to be draining foundation stone component, lay described draining foundation stone component at described bottom of trench; Described draining foundation stone component is rectangular structure, and has three through holes in vertical direction at described draining foundation stone component; Willow stake is wedged in described third through-hole.
In another embodiment, described step S3 specifically comprises:
When the larger and described dissected valley bottom of trench of the width of described bottom of trench produce the flow that confluxes larger time, embed willow stake at described bottom of trench, described willow stake is embedded into described bottom of trench by the arrangement mode of setting.
Dissected valley ecological slope protection structure of the present invention and construction method thereof, for Northeast black earth area big-and-middle-sized dissected valley ditch slope erosion control and vegetation recovery, lay protective slope structure, comprise the first domatic guard member, second guard member of toe and the 3rd guard member along bottom of trench direction, relatively high based on the Treatment process construction costs solving existing engineering measure, soil ecology function is had comparatively strong impact and destroyed, the requirement of environment sustainable development cannot be met, biological control measure is that the Treatment process whole ground disturbance of master is violent, later stage vegetation recovery effect is poor, rain flood resist ability is more weak, the problem that improvement and continual and steady ecological construction fast require cannot be met, organically combined by engineering measure and biological control measure, realize firm ditch slope soil, reduce and corrode slump, increase vegetative coverage, dredge ditch slope confluxes for using of precipitation resource provides condition simultaneously, expansion is grown on quick control dissected valley ditch slope, improve ecological vegetation environment.
Accompanying drawing explanation
Can understanding the features and advantages of the present invention clearly by reference to accompanying drawing, accompanying drawing is schematic and should not be construed as and carry out any restriction to the present invention, in the accompanying drawings:
Fig. 1 shows the schematic diagram of dissected valley ecological slope protection structure of the present invention.
Fig. 2 shows the structural representation of an embodiment of the first guard member of the present invention.
Fig. 3 A and 3B shows the scale diagrams of the specific embodiment of the first guard member of the present invention.
Fig. 4 shows the structural representation of an embodiment of the second guard member of the present invention.
Fig. 5 A-5B shows the scale diagrams of the specific embodiment of the second guard member of the present invention.
Fig. 6 A and 6B shows the structural representation of the draining foundation stone component of one embodiment of the present of invention.
Fig. 7 is the structural representation in the stake of bottom of trench wedging willow of one embodiment of the invention.
Fig. 8 shows the structural representation of plant biological bag of the present invention.
Fig. 9 shows the protective slope structure schematic diagram laying draining foundation stone component at bottom of trench of the present invention.
Figure 10 shows the protective slope structure schematic diagram embedding willow stake at bottom of trench of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
Fig. 1 shows the schematic diagram of dissected valley ecological slope protection structure of the present invention.
With reference to Fig. 1, the dissected valley ecological slope protection structure of one embodiment of the present of invention, specifically comprises:
At domatic compact arranged first guard member 10 of dissected valley, at compact arranged second guard member 20 of toe and the 3rd guard member 30 in bottom of trench arrangement; At the intersection of described domatic and described toe, being arranged by the mode embedded of described first guard member and the second guard member.
In the present embodiment, first guard member comprises the main body that interface is the column structure of regular polygon, at the center of described main body, there is the first through hole, the boss identical with described agent structure is respectively arranged with in the upper and lower of described main body, the length of side of described boss is less than the length of side of described main body, and the center of described boss has first through hole identical with the center of described main body.
Fig. 2 shows the structural representation of an embodiment of the first guard member of the present invention.
As shown in Figure 2, the cross section of the main body 11 of first guard member 10 of the present embodiment is regular hexagon, and its boss 12 is the regular hexagon that the length of side is less, and the center of the first guard member 10 is provided with the first through hole 13.
Fig. 3 A and 3B shows the scale diagrams of the specific embodiment of the first guard member of the present invention.
In a specific embodiment, be the front view of the first guard member and the scale diagrams of left view as shown in figs.3 a and 3b, the orthohexagonal length of side of main body 11 can be set to 558mm, on it, the orthohexagonal length of side of lower convex platform 12 is 500mm, the height of boss is 100mm, and the height of the entirety of the first guard member, namely the height from convex platform to lower convex platform is 400mm, the Breadth Maximum of the first guard member can 1115mm, first through hole 13 is for running through the cylinder of upper and lower end face, and the diameter of cross section circle is 700mm.
Above-mentioned is a specific embodiment of the first guard member, according to the size of dissected valley, can arrange the concrete size of the first guard member accordingly, be not specifically limited at this.
In addition, the first guard member in the present embodiment, boss is provided with up and down in main body, the boss of its underpart is embedded in domatic soil when constructing, thus this first guard member is fixed on domatic on, the convex edge of table on its top is less than the edge of main body, after laying completes, above domatic, define groove by the first adjacent guard member, thus rainwater flows to dissected valley bottom along groove can be convenient to time with heavy rainfall.
In addition; first guard member of the present embodiment adopts the strong material of seepage of water to make; raw material adopt the environment-friendly materials such as cement, sand, slag, flyash to be main high-pressure forming shape; belong to environmental protection new material, natural precipitation rapidly through earth's surface, can supplement soil and groundwater in good time; ventilative, good water permeability; can not only prevent erosion, and the adjustment soil moisture and wetness action can be played, there is the effect of protection earth's surface, self-restraint water and soil.
In the present invention, the second guard member being laid on toe comprise first component parallel to the ground and with domatic parallel second component, the top of described second component has recess, the edges co-operate of the main body of described recess and described first guard member, described first component has the second through hole in vertical direction.
Fig. 4 shows the structural representation of an embodiment of the second guard member of the present invention.
As shown in Figure 4, the first component of the second guard member of the present embodiment and the angle of second component are for being 120 °, and first component and second component are structure as a whole, as in Fig. 4, the top of the second component of the second guard member has a recess that can hold the first guard member, and the edge of the structure of its recess and the main body of the first guard member matches.In addition, second component arranges the second through hole of vertical direction, in the second through hole, inserts Liu Zhuan, the stability of second component can be increased.
In addition, the upper surface of the second guard member can be arranged to arcuate structure, be convenient to rainwater flow to the second guard member from the groove that the first guard member is formed and finally flow to the bottom of trench of dissected valley, but the structure of the upper surface of the second guard member is also not specifically limited, and the structure that hierarchic structure or ramp structure etc. are convenient to current is equally applicable to the application.
Further, the thickness at the top of the first component of the second guard member is identical with the thickness of the main body of the first guard member, thus makes the thickness of the recess being arranged on its top identical with the thickness of the main body of the first guard member.
When the first guard member is arranged to regular hexagon structure, the structure of the recess of the second guard member is the inverted trapezoidal structure on three adjacent limits that can hold the first guard member, make when laying, be embedded into the recess of the second guard member near three limits of the first guard member of toe, reinforced the laying of the first guard member by the second guard member.
Fig. 5 A-5B shows the scale diagrams of the specific embodiment of the second guard member of the present invention.
In a specific embodiment, elevation as indicated by figures 5 a-5b and left view, the elevation of the second guard member be one long be the wide rectangle for 1000mm of 1600mm, its cross section is nearly triangular form structure, and cut the recess notch of 1 inverted trapezoidal on the top of component, be recess, each second guard member is provided with 1 recess, recess specification yardstick is identical with 1/2nd the first guard members, for inlaying combination with horizontally-arranged domatic first guard member of the domatic bottom, as can be seen from left view 5B, the length being parallel to the first component on ground of the second guard member is 1000mm, being parallel to domatic second component long is 1100mm, the top width of second component is 200mm, in addition, second component is provided with through hole, for inserting willow stake, the object of this design is adopted to be, increase the contact area of member bottom section and soil, reduce the stressed pressure of member bottom section, improve basal slope protection component weight capacity, increase the surface area that confluxes of rhone, resistance to overturning after final lifting slope protection component and basal slope protection Component composition, improve overall drainage.
In addition, the second guard member is placed in toe, is close to the horizontally-arranged domatic first guard member base of the domatic bottom, and object is the slope protection component installaiton after reinforcing assembling, plays the effect of collecting and dredging rainfall on slope land and confluxing in addition.In addition, the second guard member adopts the strong material of seepage of water to make, and raw material adopt the environment-friendly materials such as cement, sand, slag, flyash to be main high-pressure forming shape, belong to environmental protection new material.
3rd guard member is arranged on the bottom of trench of dissected valley, for the earth of fixing bottom of trench;
In one embodiment, be the dissected valley of 1 ~ 3m for bottom of trench width, the 3rd guard member that bottom of trench is laid is draining foundation stone component, can either play a role in the drainage, can increase again the stability of basal slope protection component and slope protection component.
Fig. 6 A and 6B shows the structural representation of the draining foundation stone component of one embodiment of the present of invention, and wherein, 6A is top view, and 6B is left view.
As shown in Figure 6 A and 6B, draining foundation stone component is layed in dissected valley bottom of trench, keep with the basal slope protection component lower end rhone on two lateral sulcus slopes at same level height, common formation " U " type groove, in a specific embodiment, bottom of trench draining foundation stone component is long is 1600mm, wide is 500mm, and thickness is 200mm, and respectively opening a diameter in foundation stone left and right position is the third through-hole of 100mm, wedge willow stake in hole, increase the stability of foundation stone.Willow stake should newly be lived, straight, diameter 3 ~ 5cm, the length of willow stake is 1.5m, and 0.5m in soil is inserted in willow stake.
In addition, in another embodiment, when the bottom of trench width of dissected valley is greater than 3m, because bottom of trench width is larger, in the region that amount of precipitation is large, bottom of trench should adopt the mode of laying draining foundation stone, increase bottom of trench drainability, reduce draining washing away bottom of trench, strengthen the stability of slope protecting components, because bottom of trench need lay a large amount of foundation stone, engineering quantity and cost all can increase, and for the little region of amount of precipitation, the mode selecting bottom of trench to wedge willow stake is administered bottom of trench, namely the 3rd guard member is the willow stake of wedging, willow stake not only possesses Littoral Barrier, the effect of flood detention drainage, and there is green ecological feature.
Fig. 7 is the structural representation in the stake of bottom of trench wedging willow of one embodiment of the invention, and as shown in Figure 7, L is the spacing that bottom of trench 3 arranges willow stake, and when dissected valley length is less than 50m, bottom of trench willow pile spacing reference value is 5m; When dissected valley length is in 50 ~ 100m scope, bottom of trench willow pile spacing reference value is 10m; When dissected valley length is greater than 100m, bottom of trench willow pile spacing reference value is 20m.Willow stake should newly be lived, straight, diameter 3 ~ 5cm, the length of willow stake is 1.5m, and the line space of willow stake is 1m, and the spacing in the rows of planting of often row willow stake is 20 ~ 25cm, and 0.5m in soil is inserted in willow stake.
In further embodiment of the present invention, for placing plant biological bag in the first through hole on the first guard member.
Fig. 8 shows the structural representation of plant biological bag of the present invention.
As shown in Figure 8, plant biological bag adopts plastics that are nontoxic, environment-friendly degradable, has the features such as quality is light, intensity is high, uvioresistant, water permeability and good permeability, is filled in plant biological bag after first being mixed with matrix by soil, form hypothallus, load the degree of depth and be about 20cm, then be filled in plant biological bag after vegetable seeds is mixed with soil, form seed soil horizon, load highly about 10cm, fill rear plant biological bag cylindrical, highly about 30cm, diameter is about 70cm.
According to another aspect of the present invention, a kind of construction method of laying above-mentioned dissected valley ecological slope protection structure is provided, it is characterized in that, comprising:
S1, the ditch slope of dissected valley and bottom of trench to be arranged, the gradient on described ditch slope is arranged for lower than 60 degree;
S2, laterally lay the second guard member at the toe of described dissected valley;
S3, select the 3rd guard member according to the geographical environment at the width of the bottom of trench of described dissected valley and described dissected valley place and lay;
S4, from bottom the ditch slope of described dissected valley to Gou Po top until the first guard member successively laid by costa colpi line, the edge of the main body of the first guard member described in bottom matches with the recess of described second guard member and lays, and the bottom boss of described first guard member is embedded in soil;
S5, in the first through hole of described first guard member, clog plant biological bag, and in described plant biological bag planting plants.
Particularly, above-mentioned work progress is specially:
(1) preparation of construction work: suitably leveling ditch slope, eliminate the soil block of the obvious convex-concave in local, remove stone, weeds, and press the slope that ditch slope main body gradient forms opposed flattened, can keep former overall gradient for the ditch slope being less than 60 degree, the ditch slope more than more than 60 degree then needs by the smooth slope control that makes within 60 degree.The unnecessary earthwork that leveling is formed, parallel channel direction homogeneous reactor fills in ditch toe, and compacting forms smooth-going basal slope protection component arrangement ground.
(2) lay the second guard member of toe and the 3rd guard member of bottom of trench, described three guard members are selected to be lay draining foundation stone component or the stake of wedging willow according to the geographical environment of the position of bottom of trench and locality.As laid draining foundation stone component, then place one continuously along toe and ranked second guard member, lay bottom of trench draining foundation stone component along bottom of trench drainage direction again, the length according to ditch can estimate the quantity should laying draining foundation stone, and the rainfall being convenient to import groove is discharged along bottom of trench.As when bottom of trench wedging willow stake, note preventing damage willow stake crust, and make tooth eye upwards.
(3) slope protection component is installed: when the first domatic guard member is installed, successively laying is installed from bottom ditch slope to Gou Po top costa colpi line, the degree of depth that single first guard member inserts in soil is 100mm, adjacent members connects closely and keeping parallelism, the depth of groove be combined to form by the first adjacent guard member should be consistent, the area laid shared by single first guard member is known, just can be estimated the quantity of the first guard member by whole domatic area divided by single first guard member area occupied.
(4) load plant biological bag: in the hollow circuit cylinder of each first guard member, filling plant biological bag, plant biological bag should in complete loading component circular hole, and circular hole outward flange should a little more than the top of plant biological bag, prevents rainfall to destroy by rush of water plant biological bag.The vegetable seeds selected in plant biological bag based on draft, as English ryegrass, alfalfa etc.
Dissected valley ecological slope protection structure of the present invention, at two domatic laying first guard members of dissected valley, the second guard member is laid at toe, and according to the size of bottom of trench and the geographical environment of locality, select the 3rd suitable guard member, be illustrated in figure 9 the structural representation laying draining foundation stone component at bottom of trench, Figure 10 is the structural representation embedding willow stake at bottom of trench, by arranging protective slope structure, firm ditch slope soil can be realized, reduce and corrode slump, increase vegetative coverage, dredge ditch slope confluxes for using of precipitation resource provides condition simultaneously, expansion is grown on quick control dissected valley ditch slope, improve ecological vegetation environment.
Dissected valley ecological slope protection structure of the present invention and construction method thereof, for Northeast black earth area big-and-middle-sized dissected valley ditch slope erosion control and vegetation recovery, lay protective slope structure, comprise the first domatic guard member, second guard member of toe and the 3rd guard member along bottom of trench direction, relatively high based on the Treatment process construction costs solving existing engineering measure, soil ecology function is had comparatively strong impact and destroyed, the requirement of environment sustainable development cannot be met, biological control measure is that the Treatment process whole ground disturbance of master is violent, later stage vegetation recovery effect is poor, rain flood resist ability is more weak, the problem that improvement and continual and steady ecological construction fast require cannot be met, organically combined by engineering measure and biological control measure, realize firm ditch slope soil, reduce and corrode slump, increase vegetative coverage, dredge ditch slope confluxes for using of precipitation resource provides condition simultaneously, expansion is grown on quick control dissected valley ditch slope, improve ecological vegetation environment.
Also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
Above embodiment is only for illustration of the present invention; and be not limitation of the present invention; the those of ordinary skill of relevant technical field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all equivalent technical schemes also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.

Claims (10)

1. a dissected valley ecological slope protection structure, is characterized in that, comprising:
At the first guard member of the domatic laying of dissected valley, at the second guard member of toe laying and the 3rd guard member in bottom of trench laying; The intersection of described domatic and described toe, described first guard member and the second guard member are laid by the mode embedded;
Wherein, described first guard member comprises the main body that cross section is the column structure of regular polygon, at the center of described main body, there is the first through hole, the boss identical with described agent structure is respectively arranged with in the upper and lower of described main body, the circumscribed diameter of described boss is less than the circumscribed diameter of described main body, and the center of described boss has first through hole identical with the center of described main body;
Described second guard member comprise first component parallel to the ground and with domatic parallel second component, the top of described second component has recess, the edges co-operate of the main body of described recess and described first guard member, described first component has the second through hole in vertical direction;
Described 3rd guard member is laid on the bottom of trench of described dissected valley, for the earth of fixing described bottom of trench;
Wherein, the body rim close contact of adjacent two described first guard members, and by forming groove structure between two upper boss of described first guard member.
2. dissected valley ecological slope protection structure as claimed in claim 1, it is characterized in that, the cross section of the main body of described first guard member is regular hexagon.
3. dissected valley ecological slope protection structure as claimed in claim 1, it is characterized in that, the first guard member also comprises the plant biological bag be arranged in described first through hole, for planting vegetation.
4. dissected valley ecological slope protection structure as claimed in claim 1, it is characterized in that, first component and the second component of described second guard member are structure as a whole, and described first component and second component are hexagonal angle degree.
5. dissected valley ecological slope protection structure as claimed in claim 1, it is characterized in that, the thickness of the body of described first guard member is identical with the thickness of the recess of described second guard member.
6. dissected valley ecological slope protection structure as claimed in claim 1, it is characterized in that, described 3rd guard member is draining foundation stone component, and described draining foundation stone component is rectangular structure, and described draining foundation stone component has third through-hole in vertical direction.
7. dissected valley ecological slope protection structure as claimed in claim 6, it is characterized in that, the second through hole of described second guard member and the third through-hole of described 3rd user's component are for inserting willow stake.
8. lay a construction method for the dissected valley ecological slope protection structure described in claim 1-7, it is characterized in that, comprising:
S1, the ditch slope of dissected valley and bottom of trench to be arranged, the gradient on described ditch slope is arranged for lower than 60 degree;
S2, laterally lay the second guard member at the toe of described dissected valley;
S3, select the 3rd guard member according to the geographical environment at the width of the bottom of trench of described dissected valley and described dissected valley place and lay;
S4, from bottom the ditch slope of described dissected valley to Gou Po top until the first guard member successively laid by costa colpi line, the edge of the main body of the first guard member described in bottom matches with the recess of described second guard member and lays, and the bottom boss of described first guard member is embedded in soil;
S5, in the first through hole of described first guard member, clog plant biological bag, and in described plant biological bag planting plants.
9. the construction method of dissected valley ecological slope protection structure as claimed in claim 8, it is characterized in that, described step S3 specifically comprises:
When selecting described 3rd guard member to be draining foundation stone component, lay described draining foundation stone component at described bottom of trench; Described draining foundation stone component is rectangular structure, and has three through holes in vertical direction at described draining foundation stone component; Willow stake is wedged in described third through-hole.
10. the construction method of dissected valley ecological slope protection structure as claimed in claim 8, it is characterized in that, described step S3 specifically comprises:
When the larger and described dissected valley bottom of trench of the width of described bottom of trench produce the flow that confluxes larger time, embed willow stake at described bottom of trench, described willow stake is embedded into described bottom of trench by the arrangement mode of setting.
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CN111456040A (en) * 2020-04-01 2020-07-28 中国水利水电科学研究院 Ditch cutting slope protection structure and construction method
CN114651673A (en) * 2022-03-08 2022-06-24 中国水利水电科学研究院 Grass planting water treatment corrosion reduction treatment method and system for farmland erosion gully

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CN111456040A (en) * 2020-04-01 2020-07-28 中国水利水电科学研究院 Ditch cutting slope protection structure and construction method
CN111456040B (en) * 2020-04-01 2021-04-13 中国水利水电科学研究院 Ditch cutting slope protection structure and construction method
CN114651673A (en) * 2022-03-08 2022-06-24 中国水利水电科学研究院 Grass planting water treatment corrosion reduction treatment method and system for farmland erosion gully

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