CN218373665U - Grid bush ecological slope - Google Patents

Abstract

The utility model relates to a net bush cluster ecological slope, be equipped with the horizontal stake of multirow and the fixed stake of multirow on the domatic of slope, horizontal stake with vertical stake is crisscross and paste tight setting on vertical, horizontal stake is transversely laid down in domaticly, connects gradually/is in the same place with row horizontal stake, fixed stake inserts/buries domaticly, and the top exposes outside domaticly, leaves the interval between the fixed stake of same row, and the planting soil is filled in the partial or whole planting sash, and the nursery stock has been planted in the partial or whole planting sash that is filled with planting soil. The utility model discloses planting sash overall structure is stable, can effectively stabilize domatic soil, strengthens the stability of slope bank, weakens rainwater and surface runoff from all directions to domatic washing away, along with the growth of nursery stock, the root system is developed gradually, consolidates soil, replaces the stake gradually and consolidates the slope bank, both can keep soil and water stable, avoids soil and water loss, can promote the view effect again, beautifies the environment.

Description

Grid bush ecological slope

Technical Field

The utility model relates to a net bush ecological slope bank belongs to environmental protection technical field.

Background

The slope plays roles of relieving surface runoff washing, filtering rainwater pollutants, providing a biological habitat, regulating the microclimate of the water bank and the like in the ecological environment, and the important premise of the slope for playing the effects is the stability of the slope. For the bank with a large slope ratio, the degree of influence of the gravity of the slope soil is large, and when the slope is in rainy days, the slope is frequently eroded by rainwater and surface runoff, so that the environment is damaged, and even disasters are caused.

At present, the bank protection technique commonly used is for constructing the stereoplasm bank or directly plant green bank protection on the bank, and although two kinds of techniques can both avoid the landslide phenomenon to a certain extent, all have technical defect, and wherein, the technical defect that the existence of construction stereoplasm bank includes: (1) Not only can the environmental microclimate not be adjusted, but also the accumulation of surface heat can be aggravated, so that the temperature of the small environment is increased, and the effect is particularly obvious in summer; (2) The biological habitat is damaged, so that the ecological system is broken, and the aim of improving the living environment cannot be achieved; (3) Concrete or cement mortar is usually adopted for fixing the block stone in the construction operation of the hard slope, additives with different dosages are added into the concrete, and the additives can generate chemical reaction in water to generate adverse effect on water resources; (4) The non-point source pollution can not be filtered, and the rainwater carries the surrounding pollutants to flow into the river channel together, thereby polluting the water resource. Technical defects of direct planting of green plant revetments on the slope include: (1) In the early stage of green planting, the root system is not extended and cannot effectively solidify surrounding soil, but the self weight of the slope can be increased, the slope protection effect is limited in the period before the root system is effectively extended, and the hidden troubles of soil loss and landslide still exist in rainy days; (2) The green plants close to the river channel area are easy to be washed by river water in the time period when the water flow moves frequently or strongly, the green plants are prone to lodging, the root systems are exposed, the soil at the bottom is lost and the like, and the aim of slope protection of the river channel area cannot be achieved.

SUMMERY OF THE UTILITY MODEL

For overcoming the above-mentioned defect of prior art, the utility model provides a net bush clump ecological bank, solid native bank protection is effectual, can effectively avoid the soil erosion and water loss of bank.

The utility model discloses realize above-mentioned purpose's technical scheme is: the ecological slope is characterized in that a plurality of rows of transverse (a direction perpendicular to rainwater runoff on the slope surface, generally a direction of an intersection line of a horizontal plane and the slope surface along a corresponding height) timber piles and a plurality of rows of fixed timber piles are arranged on the slope surface of the slope surface (the slope surface of the slope surface is the slope surface), the transverse timber piles and the longitudinal timber piles are staggered and tightly attached in the longitudinal direction (the direction perpendicular to the transverse direction on the slope surface, or the direction of rainwater runoff), so that the top support positions of the fixed timber piles correspond to (above in the longitudinal direction) the lower side of the transverse timber piles, or the fixed timber piles on the upper side and the lower side of the transverse timber piles clamp and fix the transverse timber piles, the transverse timber piles are horizontally and horizontally arranged on the slope surface, the fixed timber piles are sequentially connected/tightly connected with the transverse timber piles in the same row, the top of the fixed timber piles is exposed out of the slope surface, a gap is reserved between the fixed timber piles on the same row of the fixed timber piles, a plurality of planting lattices are separated on the slope surface, planting lattices are filled with planting soil partially or completely, and nursery stocks are planted in the lattices partially or completely filled in the planting lattices.

Generally, the height of the planting soil layer may be no greater than the diameter of the transverse timber piles.

Preferably, the row of the fixed wooden piles located at the lowest position in the longitudinal direction is located at the bottom of the slope.

Preferably, a row of fixing wooden piles located at the lowest position in the longitudinal direction are vertically inserted into the slope.

Further, the other rows of fixed wood piles except the row of fixed wood piles positioned at the lowest position in the longitudinal direction are inserted into the slope perpendicular to the slope surface of the slope.

Preferably, the top end of the fixed wood pile is exposed (or protruded) out of the slope surface of the slope bank, and the height of the slope surface is the same as the diameter of the transverse wood pile.

Preferably, the distance between adjacent fixing timber piles in each row of fixing timber piles is the same.

Adjacent rows of the fixing timber piles may be arranged in longitudinal alignment or staggered (non-aligned in the longitudinal direction).

Preferably, the planting sash covers the slope of the slope (or the slope of the related slope region) to form a planting grid.

Preferably, the slope ratio of the slope bank is not less than 1:2.

Preferably, an anti-scouring layer is laid next to the fixed timber piles at the bank bottom of the downhill of the row of the fixed timber piles which are longitudinally positioned at the lowest position, and the anti-scouring layer is formed by uniformly mixing and laying cobblestones and broken stones.

Preferably, the shore bottom where the scour prevention layer is laid is tamped or not tamped with foundation soil.

The utility model has the advantages that:

1) The planting sash formed by the criss-cross transverse wood piles and the fixed wood piles is stable in overall structure, can effectively stabilize slope soil, enhance the stability of a slope, weaken the erosion of rainwater and surface runoff on the slope from all directions, and can compress the effect time of soil stabilization and slope protection, so that the soil stabilization and slope protection effect is immediately realized, the root system is gradually developed along with the growth of nursery stocks, the soil is consolidated, the wood piles are gradually replaced to reinforce the slope, the erosion of the rainwater and the surface runoff on the slope is resisted, the water and soil stability can be kept, the water and soil loss can be avoided, the landscape effect can be improved, and the environment can be beautified;

2) The seedlings planted on the slope can effectively block rainwater and pollutants carried by surface runoff, absorb dissolved substances in non-point source pollution, reduce or avoid pollution to downstream water, and enhance the self-purification and decontamination capability of the riverway;

3) The wooden piles (fixed wooden piles) inserted into the slope can anchor the slope body of the slope, weaken the scouring force of water flow (rivers, rainwater, surface runoff and the like) on the slope, enhance the stability of the slope and improve the effect of soil stabilization and slope protection;

4) The planting sash forms a stable space, can provide a suitable living environment for various organisms, enriches the diversity of the organisms and is beneficial to promoting the recovery of the regional ecological environment;

5) The wooden piles are degradable environment-friendly materials, and can be gradually rotten and degraded along with the lapse of time, and finally become fertilizer to moisten the slope soil for plants to absorb, so that the growth of the plants is promoted, the long-term soil stabilization and slope protection effects are realized, and the environment is not polluted;

6) The ecological slope bank can play a role in regulating the small climate of a local area (a waterfront area), and particularly can effectively reduce the temperature of the local area through transpiration and respiration of green plants in summer.

Drawings

FIG. 1 is a schematic longitudinal sectional view of an embodiment of the present invention;

fig. 2 is a schematic plan view (plan view from the slope surface) of a partial structure according to an embodiment of the present invention.

Detailed Description

Referring to fig. 1 and 2, the utility model discloses a net bush cluster ecological slope, the horizontal stake 2 of multirow has been kept flat along horizontal on slope 1 or the relevant region of slope, inserts along transversely being equipped with the multirow the fixed stake of slope, the top protrusion of fixed stake the domatic of slope, the crisscross and the setting of hugging closely along vertical (with water flow direction vertically) of multirow horizontal stake and the fixed stake of multirow, form and plant the sash, every row of horizontal stake is pressed from both sides tightly fixedly by two rows of fixed stakes that are located its uphill direction (or call upside) and downhill path direction (or call downside), and every row of horizontal stake supports by the one row of fixed stake that is located its downhill path direction, avoids it to follow the slope landing. According to planting needs, planting soil is filled in the corresponding planting sash, the height of a planting soil layer is not larger than the diameter of the transverse wood pile, preferably smaller than the height of the transverse wood pile, so that the planting soil is completely positioned in the planting sash, unnecessary loss caused by washing of water flow is avoided, and the nursery stock 3 is planted in the planting sash. By vertically and horizontally staggered horizontal stake with fixed stake constitutes planting sash overall structure is stable, can effectively stabilize domatic soil, strengthens the stability of bank weakens rainwater and surface runoff and follows the erodeing of all directions to domatic to can compress the onset time of solid soil bank protection, make solid soil bank protection effect immediately see, along with the growth of nursery stock, the root system is developed gradually, consolidates soil, replaces the stake gradually and consolidates the bank resists rainwater and surface runoff and to domatic erodeing, both can keep soil and water stable, avoids soil and water loss, can promote the view effect again, beautifies the environment.

The nursery stock planted on the slope bank is preferably shrub (cutting on the slope bank), such as salix mongolica, is vigorous in vitality, is easy to survive, and is developed in root system after mature growth, so that soil stabilization and slope protection are facilitated. The planted nursery stock can also adopt other shrubs with strong vitality and developed root systems.

The planted nursery stock is inclined towards the downstream direction in the longitudinal direction (see figure 1), the required inclined planting can be realized by adopting inclined insertion or other suitable modes, the position of the nursery stock exposed out of the ground is preferably close to the adjacent transverse timber pile below, the tree root preferably extends to the lower part of the adjacent transverse timber pile above, and the inclined branch can be attached to or supported on the adjacent transverse timber pile below, so that the resistance of the nursery stock to the runoff is favorably reduced when the nursery stock is subjected to strong runoff, namely, the acting force of the runoff on the nursery stock is favorably reduced, the stability is good, the bending amplitude is small when the nursery stock is subjected to the action of the runoff, and the phenomenon of breaking or pulling out the root is not easy to occur.

The row of fixed wooden piles 4 which are longitudinally positioned at the lowest part are preferably positioned at the slope bottom of the slope bank and are vertically inserted into the slope bank, so that the transverse wooden piles in the slope direction can be resisted and fixed, the erosion of a water body in a river channel to the slope bottom of the slope bank can be effectively weakened, and the soil fixing effect on the slope bottom or slope toe of the slope bank is realized.

The other rows of fixed wooden piles 5 except the row of fixed wooden piles which is longitudinally positioned at the lowest position are preferably inserted into the slope surface of the slope, so that the slope can be anchored, the scouring force of water flow (rivers, rainwater, surface runoff and the like) on the slope is weakened, the stability of the slope is enhanced, and the effect of soil stabilization and slope protection is improved.

The height of the top end of the fixed wood pile protruding out of the slope surface of the slope is preferably the same as the diameter of the transverse wood pile, namely the top end of the fixed wood pile is flush with the top surface of the transverse wood pile, so that the ecological sash and the slope surface of the slope are regular, attractive and unobtrusive in overall structure.

Each row of transverse timber piles can be formed by connecting a plurality of transverse timber piles according to the transverse width of the slope (the related area), and the connecting end parts of two adjacent transverse timber piles in the same row can be bound through steel wires (galvanized steel wires) to realize the relative fixation of the positions of the transverse timber piles and the galvanized steel wires. The transverse wooden piles can press the slope soil of the slope and can also prevent the slope soil from running down along with water flow. The distance between each row of transverse wooden piles is the same, and the distance is the same as the diameter of the fixed wooden piles.

The distance between adjacent fixed timber piles in each row of fixed timber piles is preferably the same, and the fixed timber piles can be arranged regularly along the longitudinal direction on the slope, and can be arranged irregularly, preferably regularly, namely the fixed timber piles are arranged into a plurality of rows along the transverse direction and a plurality of rows along the longitudinal direction. When the fixing timber piles are irregularly arranged in the longitudinal direction, a regular arrangement is preferably adopted, for example, a plurality of rows of fixing timber piles every other row or several rows are regularly arranged in the longitudinal direction, that is, a plurality of rows of fixing timber piles every other row or several rows are arranged in a plurality of rows in the longitudinal direction. The distance between each row of fixed timber piles is the same, and the distance is the same as the diameter of the transverse timber pile. The fixing wooden piles and the transverse wooden piles can be bound through steel wires (galvanized steel wires), and the fixing effect between the fixing wooden piles and the transverse wooden piles is further guaranteed. The bottom end of the fixed wooden pile can be sharpened, so that the fixed wooden pile can be conveniently inserted into the slope.

The planting sash preferably covers the slope of the slope bank (or the slope of the slope bank region concerned) to form a planting grid so as to exert a soil stabilization effect on all the slopes of the slope bank or the slope bank region concerned.

The slope ratio of the slope is preferably not less than 1:2, such as 1:2, 1:1 or 1.

An anti-scouring layer 6 is preferably laid at the position, close to the fixed wooden piles, of the bank bottom of the downhill of the row of the fixed wooden piles which is longitudinally positioned at the lowest position, so that the situation that rainwater and surface runoff scour the river bottom (particularly when a water body is at a low water level) to cause the bottom of the slope bank to slide is avoided. Scour prevention layer is laid by cobblestone and rubble homogeneous mixing and forms, the particle diameter of cobblestone is 50-100mm, the particle diameter of rubble is 20-40mm, the cobblestone with the preferred 4:1 of the mixed proportion of rubble, scour prevention layer lays highly preferably 100-300mm, scour prevention layer can extend 1-3m to the river course along the bank bottom that is located the downhill path department of one row of fixed stake of below.

Lay whether there is water in the river course when can be according to the construction at the bottom of the bank on scour prevention layer, carry out or do not carry out the foundation soil tamp, usually, if anhydrous (when the water is in the low water level) in the river course during the construction, then carry out the foundation soil tamp, if there is water in the river course during the construction, then do not carry out the foundation soil tamp.

The grid shrub ecological slope is particularly suitable for soil fixation and slope protection of a slope with a large gradient (the slope ratio is not less than 1:2), and has an especially obvious slope protection effect on a steep slope.

The ecological slope of the grid shrub cluster is formed by adopting ecological environment-friendly materials (wooden piles) and green plant soil-fixing slope protection, the functions of slope protection are met, meanwhile, the environment protection, decontamination and landscape attributes are added, all functions are gradually improved and powerful automatically along with the lapse of time, and the ecological slope has the functions of soil-fixing slope protection, decontamination, environment protection, environment beautification and the like.

The construction of the grid shrub ecological slope is preferably implemented by the following steps (taking a river slope as an example):

1) Paving an anti-scouring layer with the thickness of 100-300mm on the bank bottom extending 1-3m from the slope bottom of the slope to the river channel by adopting uniformly mixed cobblestones and crushed stones, wherein the particle size of the cobblestones is 50-100mm, the particle size of the crushed stones is 20-40mm, and the mixing ratio of the cobblestones to the crushed stones is 4:1;

2) Transversely inserting a first row of fixed wood piles into a slope bottom of a slope bank close to an anti-scouring layer, vertically inserting the first row of fixed wood piles into the slope bottom of the slope bank, wherein the length of each fixed wood pile is 2m, the diameter of each fixed wood pile is 100mm, the bottom end of each fixed wood pile is sharpened, the depth of the slope bottom inserted into the slope bank is 1.9m, the height of the exposed slope bank is 0.1m, and the distance between every two adjacent fixed wood piles is 1m;

3) Horizontally placing a first row of transverse wood piles on the slope bank of the first row of fixed wood piles in the direction close to the first row of fixed wood piles along the transverse direction, wherein the length of each transverse wood pile is 4m, and the diameter of each transverse wood pile is 100mm;

4) Inserting a second row of fixed wood piles into the slope bank close to the first row of transverse wood piles in the upward slope direction of the first row of transverse wood piles along the transverse direction, wherein the second row of fixed wood piles are inserted into the slope bank perpendicular to the slope surface, the depth of insertion into the slope bank is 1.9m, and the height of exposure out of the slope bank is 0.1m;

5) Transversely and horizontally placing a second row of transverse wood piles on the slope bank of the second row of fixed wood piles in the upward slope direction, and repeating the construction in the later period until the top of the slope bank is reached;

6) Filling planting soil in a space (planting sash) formed between each transverse timber pile and each fixed timber pile, wherein the filling height of the planting soil is not higher than the height of the slope surface exposed by the fixed timber pile (or the diameter of the transverse timber pile);

7) After the planting soil is filled, planting the nursery stock in the planting soil layer.

The preferred and optional technical means disclosed in the present invention, except for the specific description and the further limitation that one preferred or optional technical means is another technical means, can be combined at will to form a plurality of different technical solutions.

Claims (10)

1. Grid bush ecological slope, be equipped with multirow horizontal stake and multirow fixed stake on the domatic of its characterized in that slope, horizontal stake with fixed stake is crisscross and paste tightly setting on vertical, horizontal stake is transversely laid in domaticly, connects gradually with row horizontal stake/is close together, fixed stake inserts/buries domaticly, and the top is exposed outside domatic, leaves the interval between the fixed stake of same row, separates a plurality of planting sash on domatic from this, and partial or whole planting sash is filled with planting soil, and partial or whole planting sash filled with planting soil is planted with the nursery stock.

2. The grid shrub ecological slope as claimed in claim 1, wherein the row of the fixed wooden piles located at the lowest position in the longitudinal direction is located at the bottom of the slope.

3. The grid shrub ecological slope as claimed in claim 2, wherein a row of fixed wooden piles located at the lowest position in the longitudinal direction are vertically inserted into the slope.

4. The grid shrub ecological slope as claimed in claim 3, wherein the rows of fixing timber piles except the longitudinally lowest row of fixing timber piles are inserted into the slope perpendicular to the slope of the slope.

5. The lattice shrub ecological slope as claimed in claim 1, wherein the top end of the fixed wood pile is exposed out of the slope at the same height as the diameter of the transverse wood pile.

6. The lattice bush ecological slope as claimed in claim 1, wherein the distance between adjacent fixed piles in each row of fixed piles is the same.

7. The lattice bush ecological slope as claimed in claim 6, wherein the fixing timber piles of adjacent rows are arranged in longitudinal alignment or staggered.

8. The lattice bushy ecological slope bank as claimed in claim 1, wherein the planting sashes cover the slope of the slope bank.

9. The lattice bush ecological slope as claimed in claim 1, wherein the slope ratio is not less than 1:2.

10. The grid shrub ecological slope as claimed in claim 2, wherein an erosion preventing layer is laid next to the fixed wooden piles at the bank bottom of the downslope of the row of fixed wooden piles located at the lowest in the longitudinal direction, and the erosion preventing layer is formed by uniformly mixing and laying cobblestones and broken stones.

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