CN208430484U - Falling zone slope green safeguard structure - Google Patents

Abstract

The utility model discloses a kind of falling zone slope green safeguard structures, are related to conservation technology field.Falling zone slope green safeguard structure includes the concrete gridiron being implemented in the side slope of falling zone；Concrete gridiron includes evenly arranged several greening lattice, is equipped with hypothallus in each greening lattice；It is provided with precast concrete in each greening lattice, afforests between lattice and precast concrete and is connected and fixed by cohesive body；Precast concrete is the intermediate framework with cavity, is embedded with vegetation net in cavity, vegetation net is in contact with hypothallus.The utility model alleviates current slope protection structure and is difficult to the problem of forming firm edge slope structure, and carry out greening vegetation on this basis.Precast concrete is arranged in concrete gridiron again after having constructed concrete gridiron in the utility model structure, while carrying out greening vegetation can also reinforcing side slope soil, guarantee the stabilization of side slope, to improve falling zone ecological environment have very good effect.

Description

Falling zone slope green safeguard structure

Technical field

The utility model relates to conservation technology fields, protect and tie in particular to a kind of falling zone slope green Structure.

Background technique

Falling zone is that river, lake, reservoir etc. rise and periodical water storage since seasonal water level disappears, maximum water level with The region of rising that disappears formed between lowest water level line, belongs to typical ecotone, to maintenance land and water ecosystem dynamic equilibrium etc. Aspect has critical function.Due to Reservoir Operation operation and natural conditions etc., reservoir level frequently and significantly wave is often resulted in Dynamic, reservoir edge vegetation tends to wreck, and such as without timely restoration of the ecosystem, will cause a series of ecology and ring Border problem.

Traditional falling zone bulkhead tech mainly has 3 seed types: first is that vegetation slope pavement is utilized merely, second is that using work merely Journey measure carries out slope protection, third is that plant, the compound bulkhead tech of engineering measure.Falling zone utilizes the research of vegetation slope pavement at present It is more, it is concentrated mainly on and resistance to flood the selecting of plant, breeds and the mechanism study of resistance to water logging and falling zone revegetation application technology Architectural study etc..Falling zone engineering measure is distributed in urban fringe, harbour etc. more, because being needed in view of flood control, falling zone Processing it is most of based on flinty slope, mainly grout or placed rockfill, cast-in-place concrete, precast concrete block, mud The rigid pavements such as dirt material, these slope protection works costs are relatively high, and bad adaptability is easy landslide.By engineering measure and life Object measure combines, and such as administers the soil erosion of falling zone, water eutrophication, a huge sum of money using vetiver and engineering comprehensive technique Belong to pollution, noxious waste pollution and Landfill Leachate Pollution etc..In addition, the flexibilities such as reticulated, plant cover concrete, protective pad Paving material also uses on the slope protection of falling zone, while native frame planting groove, prefabricated board shore protection slot, shore protection grass-planting brick, life State revetment brick etc. is expanded, but current slope protection structure is difficult to forming firm edge slope structure, and on this basis into Row greening vegetation, can't be applied to the slope surface that meets water of lake, reservoir area etc. completely, and side slope is difficult to resist the punching of SEA LEVEL VARIATION bring Brushing force cannot fundamentally solve the problems, such as the planting in the reparation of falling zone side slope.

In view of this, special propose the utility model.

Utility model content

The purpose of this utility model is to provide a kind of falling zone slope green safeguard structure, which is constructing coagulation Precast concrete is set in concrete gridiron again after native gridiron, it can also reinforcing side slope soil while carrying out greening vegetation Earth guarantees the stabilization of side slope, has very good effect to the ecological environment for improving falling zone.

In order to realize the above-mentioned purpose of the utility model, the following technical scheme is adopted:

The utility model provides a kind of falling zone slope green safeguard structure, mixed in the side slope of falling zone including being implemented in Solidifying soil gridiron；The concrete gridiron includes evenly arranged several greening lattice, is equipped with hypothallus in each greening lattice； It is provided with precast concrete in each greening lattice, by viscous between the greening lattice and the precast concrete Knot body is connected and fixed；The precast concrete is the intermediate framework with cavity, is embedded with vegetation net, institute in the cavity Vegetation net is stated to be in contact with the hypothallus.

Preferably, on the basis of technical solutions of the utility model, the cross section in the cavity is length and width in 30-35cm Rectangle or square, and/or, longitudinal height in the cavity is 8-12cm.

Preferably, on the basis of technical solutions of the utility model, the vegetation net is latticed dictyosome, and size of mesh opening is (4-6)cm×(4-6)cm。

Preferably, on the basis of technical solutions of the utility model, the vegetation net is nylon vegetation net.

Preferably, on the basis of technical solutions of the utility model, kind is implanted with solid native plant on the hypothallus.

Preferably, on the basis of technical solutions of the utility model, the solid native plant is Bermuda grass.

Preferably, on the basis of technical solutions of the utility model, the cohesive body is cement cohesive body.

Preferably, on the basis of technical solutions of the utility model, soil horizon is equipped on the cohesive body, on soil horizon It kind is implanted with and resistance to flood plant.

Preferably, on the basis of technical solutions of the utility model, it is described it is resistance to flood plant be aquatic long beak moss.

Preferably, on the basis of technical solutions of the utility model, concrete gridiron the burying in the side slope of falling zone Depth is 35-45cm.

Compared with the prior art, the utility model has the following beneficial effects:

The falling zone slope green safeguard structure of the utility model design includes the concrete being implemented in the side slope of falling zone Precast concrete in gridiron and concrete gridiron is embedded with vegetation net in the cavity in precast concrete.? When engineering construction, a kind of prefabricated concrete component of built-in vegetation net builds concrete gridiron, and in lattice in the side slope of falling zone Backfill phytyl matter in frame, concrete component is mounted in each gridiron of concrete gridiron by when use respectively, can select branch The solid native planting that leaf is short, root system is deep is engaged its root system with vegetation net in the vegetation of concrete component matrix off the net, To form the vegetation root system system that can consolidate soil.The sky between precast concrete and concrete gridiron is arranged in cohesive body In gap, for connecting each concrete component and concrete gridiron, it is integral to be allowed to shape, forms firm edge slope structure, right Entire planting slope surface is conserved, and complete green side slope structure is formed.The edge slope structure of the utility model can support well Water resistant wave directly washes away, in conjunction with root system of plant effect and engineering method fixed slope soil, while carrying out greening vegetation also Energy reinforcing side slope soil, guarantees the stabilization of side slope, has the function of conserving water and soil, and is formed simultaneously greening vegetation, improves falling zone Slope ecological environment has bright prospects and good environment, social and economic benefit.

Certain slope protection and afforestation effect are reached using the edge slope structure of the utility model, slope surface is basic under water impact It keeps stablizing, no landslide, landslide phenomenon.

Detailed description of the invention

It, below will be to specific embodiment in order to illustrate more clearly of the technical solution of specific embodiment of the present invention Attached drawing needed in description is briefly described.It should be evident that the accompanying drawings in the following description is the utility model Some embodiments for those of ordinary skill in the art without creative efforts, can also basis These attached drawings obtain other attached drawings.

Fig. 1 is a kind of plan view of the concrete gridiron of embodiment of the utility model；

Fig. 2 is a kind of plan view of the precast concrete of embodiment of the utility model；

Fig. 3 is a kind of falling zone slope green safeguard structure sectional view of embodiment of the utility model；

Fig. 4 is effect picture after falling zone side slope is repaired.

Icon: 1- concrete gridiron；2- afforests lattice；3- precast concrete；The cavity 4-；5- vegetation net；6- side slope；7- Hypothallus；8- cohesive body.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.

The utility model provides a kind of falling zone slope green safeguard structure, as shown in figure 3, including being implemented in falling zone Concrete gridiron 1 in side slope 6；Concrete gridiron 1 includes evenly arranged several greening lattice 2, is equipped in each greening lattice 2 Hypothallus 7；It is provided with precast concrete 3 in each greening lattice 2, afforests between lattice 2 and precast concrete 3 by viscous Knot body 8 is connected and fixed；Precast concrete 3 is the intermediate framework with cavity 4, is embedded with vegetation net 5, vegetation in cavity 4 Net 5 is in contact with hypothallus 7.

Concrete gridiron

Concrete gridiron is the armored concrete gridiron structure constructed in the side slope of falling zone, and the building of concrete gridiron can To be carried out using the engineering method of this field routine.

Typical but non-limiting concrete gridiron planar structure is as shown in Figure 1.It is hollow in concrete gridiron 1 in Fig. 1, structure Plant, the stone riprap on side slope surface are preferably removed when building, until the substantially smooth after-pouring concrete gridiron in side slope surface, gridiron is embedded to side In slope, side slope is separated to the block greening lattice 2 that pluralize, the greening shape of lattice 2 itself is not construed as limiting, and can be triangle, quadrangle, five Side shape or hexagon etc..Planting matrix is backfilled in greening lattice 2 into gridiron, forms hypothallus 7.

Typical but non-limiting planting matrix is, for example, Nutrition Soil etc..

Precast concrete

Concrete component be it is prefabricated, typical but non-limiting concrete component is also in gridiron shape, and shape can be with The peripheral dimension of the matching of concrete gridiron, concrete component frame is less than concrete gridiron, so that precast concrete can It is put into the lattice of concrete gridiron.

Fig. 2 is a kind of plan view of the precast concrete of embodiment of the utility model, as shown in Fig. 2, prefabricated mixed Solidifying soil component 3 is the intermediate framework with cavity 4, is embedded with vegetation net 5 in cavity 4, vegetation net 5 is in contact with hypothallus 7.

The mode of insertion vegetation net is not construed as limiting, preferably when making concrete component, by vegetation before casting concrete Web frame surrounding is fixed in prefabricated component template, then is poured, last demoulding；Or other modes can be taken, such as will Vegetation net cover fixes vegetation net again in framework.

Preferably, the cross section in framework cavity 4 is rectangle or square, length and width in 30-35cm, such as 30cm, 32cm, 34cm or 35cm.Preferably, framework (cavity 4) thickness (height) is 8-12cm, such as 8cm, 10cm or 12cm.

Preferably, vegetation net is the latticed dictyosome of nylon material, and size of mesh opening is (4-6) cm × (4-6) cm, such as 5cm×5cm。

Cohesive body

The gap afforested between lattice and precast concrete is equipped with cohesive body, and cohesive body is existing binding material (example Such as cement) made of three-dimensional-structure body, for example, cement structures body (cement cohesive body), each concrete can be connected and fixed Native component and concrete gridiron and precast concrete, shape is integral, strengthens edge slope structure.

Preferably, it is equipped with soil horizon on cohesive body, resistance to floods plant for planting.It is typical but non-limiting resistance to flood plant It is for example, resistance to flood moss, such as aquatic long beak moss, as auxiliary vegetation.

Plantation auxiliary vegetation can further increase the afforestation effect of slope surface at cohesive body.

In engineering construction can by after cement production systD cement slurry between concrete gridiron and precast concrete Gap carries out jointing, forms cement structures body.Soil can also be added in cement slurry and the resistance to vegetable seeds that floods carries out jointing, in this way Just do not have to be equipped with soil horizon on cohesive body, can play the role of plantation auxiliary vegetation yet.

Preferably, kind is implanted with solid native plant on hypothallus.

Solid native vegetable seeds is sowed into the vegetation net of precast concrete.Gu native plant refers to that root system is deep, can play The plant of fixation.Typical but non-limiting solid native vegetable seeds is, for example, Bermuda grass grass seeds.

It selects the solid native planting that branches and leaves are short, root system is deep in the vegetation net of coagulation figure component, makes its root system and vegetation Net occlusion, to form the vegetation root system system that can consolidate soil.

The falling zone slope green safeguard structure of the utility model includes the concrete gridiron being implemented in the side slope of falling zone And the precast concrete in concrete gridiron, vegetation net is embedded in the cavity in precast concrete.In engineering When construction, a kind of prefabricated concrete component of built-in vegetation net builds concrete gridiron, and in gridiron in the side slope of falling zone Backfill phytyl matter, concrete component is mounted in each gridiron of concrete gridiron by when use respectively, can select branches and leaves it is short, The deep solid native planting of root system is engaged its root system with vegetation net, with shape in the vegetation of concrete component matrix off the net At the vegetation root system system that can consolidate soil.The gap between precast concrete and concrete gridiron is arranged in cohesive body In, for connecting each concrete component and concrete gridiron, it is integral to be allowed to shape, firm edge slope structure is formed, to whole A planting slope surface is conserved, and complete green side slope structure is formed.The edge slope structure combination root system of plant of the utility model is made With with engineering method fixed slope soil, while carrying out greening vegetation can also reinforcing side slope soil, reach certain slope protection And afforestation effect.The edge slope structure of the utility model can resist well water wave and directly wash away, and guarantee the stabilization of side slope, slope surface The kept stable under water impact, no landslide, landslide phenomenon, has the function of conserving water and soil, is formed simultaneously greening vegetation, Improve falling zone slope ecological environment, there is bright prospects and good environment, social and economic benefit.

Falling zone slope green safeguard structure construction when the following steps are included:

(a) precast concrete: the intermediate framework with cavity is made in concreting, and cavity is embedded with vegetation net, Vegetation net is close to framework bottom surface；

Empty cross section is rectangle or square of the length and width in 30-35cm, and the longitudinal height in cavity is 8-12cm；Vegetation Net is the nylon wire with network, and size of mesh opening is (4-6) cm × (4-6) cm；

(b) it constructs concrete gridiron: constructing concrete gridiron, concrete gridiron in the falling zone side slope after leveling compacting Planting matrix is backfilled into concrete gridiron after molding；

(c) precast concrete that step (a) is placed in the concrete gridiron for having backfilled planting matrix, by cement slurry It is put in the gap between precast concrete and between precast concrete and concrete gridiron and carries out jointing, it is dry Cement cohesive body is formed afterwards；

(d) solid native vegetable seeds is sowed into the vegetation net of precast concrete, maintains into level ground；

(e) planting slope surface is conserved, forms green side slope.

Illustrate the above process in conjunction with Fig. 3:

Concrete gridiron 1 is constructed in the falling zone side slope 6 after leveling compacting, to concrete after the molding of concrete gridiron 1 Planting matrix is backfilled in gridiron 1, forms hypothallus 7, precast concrete 3 is put into the concrete lattice for having backfilled planting matrix Frame 1 is afforested in lattice 2, so that precast concrete 3 is embedded in concrete gridiron 1 and is afforested in lattice 2；With cement slurry to concrete Jointing is carried out between native component 3 and in the gap between precast concrete 3 and concrete gridiron 1, forms water after dry Mud cohesive body 8, for being connected and fixed concrete gridiron 1 and precast concrete 3；Finally to the plant of precast concrete 3 Solid native vegetable seeds is sowed in net 5, maintenance forms slope green safeguard structure after Cheng Ping.Effect after reparation is as shown in Figure 4.

Relatively stable green safeguard structure can be obtained after construction, it can also reinforcing side slope while carrying out greening vegetation Soil guarantees the stabilization of side slope, and slope protection and afforestation effect are good, and slope surface can resist well water wave and directly wash away, and slope surface is in water Stream impacts lower kept stable, no landslide, landslide phenomenon, and vegetation grows fine, has to the ecological environment for improving falling zone Significance.

Preferably, it after the molding of step (b) concrete gridiron, conserves 7-10 days, then backfill planting matrix into concrete gridiron Matter.Curing time is, for example, 7 days, 8 days, 9 days or 10 days.

Concrete hardening can be made by carrying out maintenance after the molding of concrete gridiron, improve the mouldability of concrete gridiron and strong Degree.

Preferably, after step (b) backfills planting matrix into concrete gridiron, leveling compacting, compacting degree is 90-93%, Such as 90%, 91%, 92% or 93%.

Compacting degree is also known as compactness, the ratio between dry density and standard maximum dry density after referring to planting matrix compacting, with Percentage indicates.

Preferably, when step (b) building concrete gridiron, buried depth of the concrete gridiron in the side slope of falling zone is in 35- 45cm, such as 35cm, 40cm or 45cm.

Buried depth guarantees concrete gridiron and side slope fix stably in 35-45cm.

Preferably, solid soil plant is Bermuda grass in step (d).

Bermuda grass is grass family, the short herbaceous plant of Cynodon, and stalk is thin and tough and tensile, and lower part ground sprawling of crawling is very long, Normal raw adventitious root on section, high up to 30 centimetres, stalk wall thickness, Glabrous, slightly two sides are flattened sometimes.Its rhizome spreading force is very strong, Wide floor file face, for good solid native plant.

Preferably, step (d) includes the sowing Bermuda grass seed into the vegetation net of precast concrete, covers nonwoven Cloth, Cheng Ping after water seasoning 40-50 days.

Water seasoning number of days is, for example, 40 days, 42 days, 44 days, 45 days, 48 days or 50 days, until Cheng Ping.

Preferably, step (e) maintenance processes include: and offset to fall the daily watering of band side slope progress, fertilising, weeding and pest and disease damage Control stategy, to promote the fast quick-recovery of slope landscape；It is preferred that the First Year water level after falling zone side slope is repaired falls the phase after rise, need close Observe multiple green situation, timely water seasoning.

In order to further appreciate that the utility model, the utility model effect is done with comparative example combined with specific embodiments below Further details of explanation.

Embodiment 1

A kind of falling zone slope green safeguard structure, including the concrete gridiron 1 being implemented in falling zone side slope 6；Coagulation Native gridiron 1 includes evenly arranged several greening lattice 2, is equipped with hypothallus 7 in each greening lattice 2,1 buried depth of concrete gridiron is 35cm；It is provided with precast concrete 3 in each greening lattice 2, afforests between lattice 2 and precast concrete 3 and passes through bonding Body 8 is connected and fixed；Precast concrete 3 is the intermediate framework with cavity 4, is embedded with vegetation net 5, vegetation net 5 in cavity 4 It is in contact with hypothallus 7, kind is implanted with Bermuda grass on hypothallus 7.The cross section in cavity 4 is the rectangle of long 35cm, width 30cm, empty The longitudinal height in hole 4 is 10cm；Vegetation net 5 is the nylon wire with network, and size of mesh opening is 5cm × 5cm；Cohesive body 8 is Cement cohesive body is equipped with soil horizon on cement cohesive body, and kind is implanted with aquatic long beak moss on soil horizon.

Embodiment 2

A kind of falling zone slope green safeguard structure, including the concrete gridiron 1 being implemented in falling zone side slope 6；Coagulation Native gridiron 1 includes evenly arranged several greening lattice 2, is equipped with hypothallus 7 in each greening lattice 2,1 buried depth of concrete gridiron is 45cm；It is provided with precast concrete 3 in each greening lattice 2, afforests between lattice 2 and precast concrete 3 and passes through bonding Body 8 is connected and fixed；Precast concrete 3 is the intermediate framework with cavity 4, is embedded with vegetation net 5, vegetation net 5 in cavity 4 It is in contact with hypothallus 7, kind is implanted with Bermuda grass on hypothallus 7.The cross section in cavity 4 is the square of long 35cm, width 35cm, empty The longitudinal height in hole 4 is 8cm；Vegetation net 5 is the nylon wire with network, and size of mesh opening is 6cm × 6cm；Cohesive body 8 is water Mud cohesive body is equipped with soil horizon on cement cohesive body, and kind is implanted with aquatic long beak moss on soil horizon.

Embodiment 3

A kind of falling zone slope green safeguard structure, including the concrete gridiron 1 being implemented in falling zone side slope 6；Coagulation Native gridiron 1 includes evenly arranged several greening lattice 2, is equipped with hypothallus 7 in each greening lattice 2,1 buried depth of concrete gridiron is 40cm；It is provided with precast concrete 3 in each greening lattice 2, afforests between lattice 2 and precast concrete 3 and passes through bonding Body 8 is connected and fixed；Precast concrete 3 is the intermediate framework with cavity 4, is embedded with vegetation net 5, vegetation net 5 in cavity 4 It is in contact with hypothallus 7, kind is implanted with Bermuda grass on hypothallus 7.The cross section in cavity 4 is the rectangle of long 32cm, width 30cm, empty The longitudinal height in hole 4 is 12cm；Vegetation net 5 is the nylon wire with network, and size of mesh opening is 5cm × 5cm；Cohesive body 8 is Cement cohesive body is equipped with soil horizon on cement cohesive body, and kind is implanted with aquatic long beak moss on soil horizon.

Above-described embodiment construction when the following steps are included:

(1) precast concrete: the intermediate framework with cavity is made in concreting, and empty bottom embeds vegetation Net；

(2) it constructs concrete gridiron: constructing armored concrete gridiron, concrete in the falling zone side slope after leveling compacting It after gridiron molding, then conserves 10 days, and backfill planting matrix in gridiron, forms hypothallus；

(3) precast concrete that step (1) is placed in the concrete gridiron for having backfilled planting matrix, by cement slurry It smears and carries out jointing in the gap between precast concrete and between precast concrete and concrete gridiron, do Cement cohesive body is constituted after dry, is laid with soil, the aquatic long beak moss of grown on soil on cement cohesive body；

(4) planting Bermuda grass: sowing Bermuda grass seed into the vegetation net of precast concrete, covers non-woven fabrics, pours It can Cheng Ping after water curing 40 days；

(5) it conserves: offseting and fall the daily watering of band side slope progress, fertilising, weeding and prevention and control of plant diseases, pest control management, to promote side slope The fast quick-recovery of landscape；First Year water level after falling zone side slope is repaired falls the phase after rise, and close observation is needed to answer green situation, and watering is supported in time Shield.

Comparative example 1

A kind of falling zone slope green safeguard structure, including the concrete gridiron 1 being implemented in falling zone side slope 6；Coagulation Native gridiron 1 includes evenly arranged several greening lattice 2, is equipped with hypothallus 7 in each greening lattice 2,1 buried depth of concrete gridiron is 35cm；It is embedded with vegetation net 5 in each greening lattice 2, vegetation net 5 is in contact with hypothallus 7, and kind is implanted with Bermuda grass on hypothallus 7. Vegetation net 5 is the nylon wire with network, and size of mesh opening is 5cm × 5cm；

Above-mentioned comparative example construction when the following steps are included:

(1) it constructs concrete gridiron: constructing armored concrete gridiron, concrete in the falling zone side slope after leveling compacting After gridiron molding, then conserve 7 days, and planting matrix is backfilled in gridiron；

(2) planting Bermuda grass: being embedded in vegetation net in each greening lattice for the concrete gridiron for having backfilled planting matrix, to Bermuda grass seed is sowed in vegetation net, covers non-woven fabrics, it can Cheng Ping after water seasoning 40 days；

(3) it conserves: offseting and fall the daily watering of band side slope progress, fertilising, weeding and prevention and control of plant diseases, pest control management, to promote side slope The fast quick-recovery of landscape；First Year water level after falling zone side slope is repaired falls the phase after rise, and close observation is needed to answer green situation, and watering is supported in time Shield.

It repairs, is formed according to falling zone side slope of the construction method of embodiment 1-3 and comparative example 1 to test reservoir Embodiment 1-3, comparative example 1 fall band slope green safeguard structure.The protection of the utility model green safeguard structure is found after implementation Effect is good, and safeguard structure is stablized compared with comparative example, embodiment 1-3 slope surface kept stable under water impact, no landslide, landslide Phenomenon.And there is landslide phenomenon in 1 slope surface of comparative example, while embodiment 1-3 slope greening effect is also preferable, water logging moss growing way base This is good, and fluctuation of water table area vegetation growing way is substantially good, and the above vegetation coverage of the water surface reaches 60%-70%.

It can be seen that the utility model uses the double-deck ruggedized construction of concrete gridiron and precast concrete, side slope Stability is good, while having certain afforestation effect, is a kind of plant, the compound slope protection mode of engineering measure.

Although illustrate and describing the utility model with specific embodiment, it will be appreciated that without departing substantially from this reality Many other change and modification can be made in the case where novel spirit and scope.It is, therefore, intended that in appended right It include all such changes and modifications belonged in the scope of the utility model in it is required that.

Claims (10)

1. a kind of falling zone slope green safeguard structure, which is characterized in that including the concrete lattice being implemented in the side slope of falling zone Frame；The concrete gridiron includes evenly arranged several greening lattice, is equipped with hypothallus in each greening lattice；Each institute It states in greening lattice and is provided with precast concrete, connected between the greening lattice and the precast concrete by cohesive body Connect fixation；The precast concrete is the intermediate framework with cavity, is embedded with vegetation net, the vegetation in the cavity Net is in contact with the hypothallus.

2. falling zone slope green safeguard structure described in accordance with the claim 1, which is characterized in that the cross section in the cavity is Length and width 30-35cm rectangle or square, and/or, longitudinal height in the cavity is 8-12cm.

3. falling zone slope green safeguard structure described in accordance with the claim 1, which is characterized in that the vegetation net is latticed Dictyosome, size of mesh opening are (4-6) cm × (4-6) cm.

4. falling zone slope green safeguard structure described in accordance with the claim 3, which is characterized in that the vegetation net is nylon plant By net.

5. according to the described in any item falling zone slope green safeguard structures of claim 1-4, which is characterized in that the hypothallus Upper kind be implanted with solid native plant.

6. falling zone slope green safeguard structure according to claim 5, which is characterized in that the solid native plant is dog tooth Root.

7. according to the described in any item falling zone slope green safeguard structures of claim 1-4, which is characterized in that the cohesive body For cement cohesive body.

8. falling zone slope green safeguard structure according to claim 7, which is characterized in that be equipped on the cohesive body Soil horizon, kind, which is implanted with, on soil horizon resistance to floods plant.

9. falling zone slope green safeguard structure according to claim 8, which is characterized in that it is described it is resistance to flood plant be it is aquatic Long beak moss.

10. according to the described in any item falling zone slope green safeguard structures of claim 1-4, which is characterized in that the coagulation Buried depth of the native gridiron in the side slope of falling zone is 35-45cm.