CN203977363U

CN203977363U - A kind of ecological slope protection

Info

Publication number: CN203977363U
Application number: CN201420348230.2U
Authority: CN
Inventors: 陈建; 张凤翔; 杜红磊
Original assignee: Jiangsu Institute of Architectural Technology
Current assignee: Jiangsu Institute of Architectural Technology; Jiangsu Jianzhu Institute
Priority date: 2014-06-26
Filing date: 2014-06-26
Publication date: 2014-12-03
Anticipated expiration: 2024-06-26

Abstract

The utility model provides a kind of ecological slope protection, comprises bottom Ecological Retaining Wall, timber in a row, bank protection region, levee crown; Described bottom Ecological Retaining Wall is arranged in toe, and levee crown is arranged in top, slope, and bank protection region becomes step slope from bottom Ecological Retaining Wall to levee crown, and described toe is at riverbed place; Described timber in a row is furnished with a row between bottom Ecological Retaining Wall and bank protection region, on bank protection region, in a row arranges successively along the direction on top, Di Dao slope, slope.The utility model bank protection cost is low, good stability.

Description

A kind of ecological slope protection

Technical field

The utility model relates to hydrotechnics field, relates in particular to a kind of ecological slope protection.

Background technology

Ecological revetment is on the Channel slope being shaped, to form the environment that is beneficial to plant growth; utilize the effect (root system fixation) between plant and side slope rock or the soil body to produce the effect of filtering native draining, reinforcing side slope; make it to meet the requirement to side slope soil stabilization; can recover and protect again the bank protection mode of river channel natural ecological environment; be a kind of environment-friendly type bank protection, effectively protect side slope method.And stone barricade, gabion and concrete block structural cost and maintenance costs that current domestic ecological slope protection extensively adopts are all higher, be applicable to the higher important river (as navigation channel, scenic spot etc.) of investment; In the time of the side slope in the face of the poor type of mechanical stability, also to need to increase especially the mechanical stability of structure.Therefore, need to develop the low and mechanical stability of a kind of cost and meet the demands, all easier ecological slope protection structures of construction and dimension maintenance.

Utility model content

The purpose of this utility model is to solve the defect that above-mentioned prior art exists, and the ecological revetment that a kind of cost is low and mechanical stability is good is provided.

A kind of ecological slope protection, comprises bottom Ecological Retaining Wall, timber in a row, bank protection region, levee crown; Described bottom Ecological Retaining Wall is arranged in toe, and levee crown is arranged in top, slope, and bank protection region becomes step slope from bottom Ecological Retaining Wall to levee crown, and described toe is at riverbed place; Described timber in a row is furnished with a row between bottom Ecological Retaining Wall and bank protection region, on bank protection region, in a row arranges successively along the direction on top, Di Dao slope, slope.

Further, a kind of ecological slope protection as above, described bottom Ecological Retaining Wall comprises sand-gravel cushion, plain concrete cushion layer, the piece stone walling body arranged successively from top to bottom; The thick 30cm of described sand-gravel cushion, the thick 20cm of plain concrete cushion layer, piece stone barricade is of a size of the native 50mm of 500 scholar 50 × 400 scholar 50 × 200.

Further, a kind of ecological slope protection as above, described bank protection region comprise from the end to successively arrange layer of sand, microlith sublayer, riprap layer, overburden layer.

Further, a kind of ecological slope protection as above, the thick 10cm of described layer of sand, the thick 15cm in microlith sublayer, riprap layer average thickness > 20cm, overburden layer average thickness > 5cm.

Further, a kind of ecological slope protection as above, Turf Culture on overburden layer, very water shrub zone of plantation after the timber in a row of piece stone barricade, along planting bank protection arbor on river course waterline.

Further, a kind of ecological slope protection as above, stone maximum particle diameter≤30mm in described microlith sublayer.

Further, a kind of ecological slope protection as above, described timber diameter in a row is 50mm～100mm, and the bending arrow degree of pile total length is not more than a footpath half, and within the scope of 1m, the torsion of wood grain is not more than the half of pile circumference.

Further, a kind of ecological slope protection as above, the pile top of described timber in a row is Rhizoma Sparganii taper, pile top length is for loosening the soil or Soft Soil Layer is made as 1～2 times an of footpath, for compared with hardpan being 1～1.5 times an of footpath.

Further, a kind of ecological slope protection as above, described bottom Ecological Retaining Wall is high to be embedded in riverbed along toe, and its top exceeds bed elevation 50cm, and in a row timber exceeds overburden layer elevation 10cm; In a row timber is arranged a row along the every 3m of the direction～5m on top, Di Dao slope, slope.

Further, a kind of ecological slope protection as above, described step slope ratio of slope is not suddenly in 1:2.

The utility model beneficial effect:

1. adopt the innovation of ecological protection theory, protective slope structure forms slow wearing after campshed, except having anti-rainwater, river is washed in a pan and rinsed effect, also takes to greatest extent topsoil in, raising vegetation survival rate.

2. focus on utilizing basis and log raft pile to provide support power to mask riprap layer, improved the stability of bank protection.

3. bank protection is taked nature Riparian vegetation band, is applicable to unhurried current, the riverbank that soil quality stabilizing coefficient is poor;

4. adopt the friendly shaped material of river ecological and former green wood, little to ambient influnence, engineering cost is low, and regular maintenance is simple;

5. protective slope structure does not affect flood passage forming good River Landscape effect, and log raft pile is after service life, and vegetable layer and jackstone mask will form the native overcoat of stable table, the vegetation buffer strip pollutant in river of can also degrading.

Brief description of the drawings

Fig. 1 is the utility model ecological slope protection structural representation.

Reference numeral:

1-sand-gravel cushion; 2-plain concrete layer; 3-set bolt; The 4-lumps of wood; 5-river bed leg wire of slope; 6-piece stone walling body; 7-timber in a row; 8-shrub zone; 9-overburden layer; 11-turf; 12-layer of sand; 13-microlith sublayer; 14-riprap layer; 15-arbor; 16-levee crown; 17-curb.

Detailed description of the invention

For making the purpose of this utility model, technical scheme and advantage clearer, below technical scheme in the utility model be clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.

As shown in Figure 1, the ecological slope protection that the utility model provides, comprises bottom Ecological Retaining Wall, in a row timber 7 (have good anti-river, rainwater is washed in a pan and rinsed effect, is beneficial to slope vegetation growth simultaneously), bank protection region, levee crown 16; Described bottom Ecological Retaining Wall is arranged in toe, and levee crown 16 is arranged in top, slope, and bank protection region is from bottom Ecological Retaining Wall to 16 one-tenth step slopes of levee crown, and described toe is at riverbed place; Described timber in a row 7 is furnished with a row between bottom Ecological Retaining Wall and bank protection region, in a row arranges successively on bank protection region along the direction on top, Di Dao slope, slope simultaneously.

Described Ecological Retaining Wall is positioned at toe place, bottom, along the river base slope payment to a porter 5 positions, the foundation trench of the dark 50cm of excavation and wide 50cm downwards, be encased inside sand-gravel cushion 1 (as barricade ground, improve bearing capacity effect), water plain concrete cushion layer 2 (in order to stablize the stone of block stone walling bottom), sand-gravel cushion 30cm is thick again, and plain concrete cushion layer 20cm is thick.In plain concrete cushion layer 2, do placed rockfill barricade 6 (gear soil, the while is as the angle, town of levee slope, for rock revetment provides support), piece stone barricade is of a size of: length × wide × height=500 scholar's 50 × 400 scholar's 50 × 200 soil 50 (mm).Between bottom Ecological Retaining Wall and bank protection region, be furnished with row's piece stone barricade 6, insert the lumps of wood 4 in the bottom of piece stone barricade 6, penetrate set bolt 3 timber 7 in a row is fixed on to piece stone barricade 6 sides; In a row timber 7 is risen out overburden layer elevation > 10cm, and in a row timber 7 is arranged a row along the direction every 3m successively～5m on top, Di Dao slope, slope.

Described bank protection region comprises loaded filter, riprap layer 14 and overburden layer 9, described loaded filter is made up of layer of sand 12 and microlith sublayer 13, the thick 10cm of layer of sand, the thick 15cm in microlith sublayer, it is good that in layer of sand 12, sand requires grating, and stone maximum particle diameter≤30mm in microlith sublayer 13 utilizes timber 7 in a row to provide support power on loaded filter, do riprap layer 14, levee slope 16 drift angles arrange curb 17.Riprap layer 14 average thickness > 20cm.Overburden layer 9 on riprap layer, overburden layer 9 soil layer average thickness > 5cm.Turf Culture 11 on overburden layer 9, endures water shrub zone 8 in the rear plantation of piece stone barricade 6 timber 7 in a row, along planting bank protection arbor 15 on river course waterline simultaneously.

Described loaded filter is taken away soil particle when preventing that the water of levee slope soil the inside from oozing out, causes levee slope to destroy; Riprap layer plays the domatic effect of protection, and certain ballast is provided.

The utility model is applicable to plains region river course slope protection, the shore protection of road, and slope ratio of slope is not suddenly in 1:2, and the related depth of water 2～5m is with interior more suitable.

Finally it should be noted that: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of the each embodiment technical scheme of the utility model.

Claims

1. an ecological slope protection, is characterized in that, comprises bottom Ecological Retaining Wall, timber (7) in a row, bank protection region, levee crown (16); Described bottom Ecological Retaining Wall is arranged in toe, and levee crown (16) is arranged in top, slope, and from bottom Ecological Retaining Wall to levee crown, (16) become step slope in bank protection region, and described toe is at riverbed place; Described timber in a row (7) is furnished with a row between bottom Ecological Retaining Wall and bank protection region, in a row arranges successively on bank protection region along the direction on top, Di Dao slope, slope simultaneously.

2. a kind of ecological slope protection according to claim 1, is characterized in that, described bottom Ecological Retaining Wall comprises sand-gravel cushion (1), plain concrete cushion layer (2), the piece stone walling body (6) arranged successively from top to bottom; Described sandstone pad (1) bed thickness 30cm, the thick 20cm of plain concrete cushion layer (2), piece stone barricade (6) is of a size of the native 50mm of 500 scholar 50 × 400 scholar 50 × 200.

3. a kind of ecological slope protection according to claim 1, it is characterized in that, described bank protection region comprise from the end to successively arrange layer of sand (12), microlith sublayer (13), riprap layer (14), overburden layer (9).

4. a kind of ecological slope protection according to claim 3, it is characterized in that, the thick 10cm of described layer of sand (12), the thick 15cm in microlith sublayer (13), riprap layer (14) average thickness > 20cm, overburden layer (9) average thickness > 5cm.

5. a kind of ecological slope protection according to claim 4, it is characterized in that, at the upper Turf Culture (11) of overburden layer (9), very water shrub zone (8) of plantation after the timber in a row (7) of piece stone barricade (6), along planting bank protection arbor (15) on river course waterline.

6. a kind of ecological slope protection according to claim 3, is characterized in that, stone maximum particle diameter≤30mm in described microlith sublayer (13).

7. a kind of ecological slope protection according to claim 1, it is characterized in that, described timber in a row (7) diameter is 50mm～100mm, and the bending arrow degree of pile total length is not more than a footpath half, and within the scope of 1m, the torsion of wood grain is not more than the half of pile circumference.

8. a kind of ecological slope protection according to claim 1, is characterized in that, the pile top of described timber in a row (7) is Rhizoma Sparganii taper, and pile top length is for loosening the soil or Soft Soil Layer is made as 1～2 times an of footpath, for compared with hardpan being 1～1.5 times an of footpath.

9. a kind of ecological slope protection according to claim 3, is characterized in that, described bottom Ecological Retaining Wall is high to be embedded in riverbed along toe, and its top exceeds bed elevation 50cm, and in a row timber (7) exceeds overburden layer elevation 10cm; In a row timber (7) is arranged a row along the every 3m of the direction～5m on top, Di Dao slope, slope.

10. a kind of ecological slope protection according to claim 1, is characterized in that, described step slope ratio of slope is not suddenly in 1:2.