CN108755708B - Soft rock slope ecological protection construction method - Google Patents
Soft rock slope ecological protection construction method Download PDFInfo
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- CN108755708B CN108755708B CN201810427906.XA CN201810427906A CN108755708B CN 108755708 B CN108755708 B CN 108755708B CN 201810427906 A CN201810427906 A CN 201810427906A CN 108755708 B CN108755708 B CN 108755708B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/09—Watering arrangements making use of movable installations on wheels or the like
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/02—Arrangement of sewer pipe-lines or pipe-line systems
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- Mining & Mineral Resources (AREA)
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- General Engineering & Computer Science (AREA)
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- Water Supply & Treatment (AREA)
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- Health & Medical Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The invention relates to a soft rock slope ecological protection construction method, which comprises the following steps: 1) preparing a double-layer drainage ditch and an arc-shaped plastic slope frame; 2) excavating a slope surface of the side slope; 3) arranging a double-layer drainage ditch; 4) arranging a slope protection anchor rod and a transverse drain pipe; 5) arranging a drainage strip; 6) laying a reinforcing rib layer; 7) arranging a vegetation soil layer I and a vegetation soil layer II; 8) and (5) uniformly sprinkling water on the side slope. The invention has the beneficial effects that: the prefabricated double-layer drainage ditch comprises the crop planting groove and the drainage ditch, so that the requirement of side slope drainage can be met, the side slope platform can be greened, and the greening effect of the side slope is improved; the arc-shaped slope-shaping frame can quickly finish slope-shaping construction at the position where the slope surface changes, reduce the difficulty of slope arc-shaped slope shaping and improve the effect of slope arc-shaped slope shaping; according to the invention, the water seepage groove is excavated along the slope surface, and the drainage strip is laid in the water seepage groove, so that the drainage effect of the slope surface and the air permeability of the vegetation soil layer I can be greatly improved.
Description
Technical Field
The invention relates to a slope construction method, in particular to a soft rock slope ecological protection construction method which is high in site construction efficiency, good in greening effect and convenient to maintain and construct, belongs to the field of civil engineering, and is suitable for soft rock slope ecological protection engineering.
Background
In the engineering construction process of highways, railways, water conservancy and the like, a large amount of exposed soil and stone side slopes formed by soil and stone filling and digging engineering, and effective ecological protection is an important measure for improving the greening effect of the side slopes and protecting the ecological environment. In the slope plant greening protection construction measures, hydraulic spray seeding, foreign soil spray seeding and spray mixed planting have a typical ecological protection construction technology and accord with the concept of sustainable development of slope greening engineering.
Admittedly, although the existing construction achieves a better construction effect under a proper working condition, in the process of slope ecological protection construction, particularly in the process of soft rock slope ecological protection construction, the problems of poor greening protection effect, soil removal, slope scouring, low construction efficiency and the like are often encountered, and the greening effect of slope engineering is seriously affected. In view of this, in order to improve the construction quality and efficiency of the soft rock slope ecological protection and improve the stress performance and integrity of the protective structure, the invention of the soft rock slope ecological protection construction method capable of improving the integrity of the vegetation soil layer and the slope soil layer, improving the greening and drainage effects of the slope and improving the sprinkling uniformity is urgently needed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the soft rock slope ecological protection construction method which can improve the integrity of a vegetation soil layer and a slope soil layer, improve the greening and drainage effects of a slope and improve the sprinkling uniformity.
The soft rock slope ecological protection construction method comprises the following steps:
1) preparing a double-layer drainage ditch and an arc-shaped plastic slope frame: the double-layer drainage ditch comprises a crop planting groove and a drainage ditch, and a tank bottom water filtering plate is arranged between the crop planting groove and the drainage ditch; a ditch top pressure bearing platform is arranged on a first ditch side wall at the top of the drainage ditch, and a side wall water drainage slotted hole is formed in a second ditch side wall of the crop planting ditch; laying a groove wall inverted filter layer along the inner side wall of the crop planting groove; a slope molding transverse plate of the arc slope molding frame is connected with the upper shearing plate and the lower shearing plate through transverse connecting plates, and a traction rope connecting body and a first weight body are arranged on the upper surface of the slope molding transverse plate;
2) excavating a slope surface of the side slope: firstly, excavating a side slope rock-soil layer by using construction machinery, then performing fillet slope molding on the changed position of the slope surface shape by using an arc-shaped slope molding frame, and excavating a water seepage groove at the position of a transverse water drainage pipe;
3) laying a double-layer drainage ditch: digging a drainage ditch arrangement groove on the slope platform, then paving an anti-seepage layer in the drainage ditch arrangement groove, and hoisting the double-layer drainage ditch into the drainage ditch arrangement groove;
4) slope protection anchor rod and horizontal drain pipe lay: after finishing the slope surface finishing, respectively drilling a slope protection anchor rod and a transverse drain pipe into the slope rock-soil layer;
5) arranging a drainage strip: paving a drainage strip in the water seepage groove along the slope surface, and communicating a transverse drainage pipe with the drainage strip;
6) arranging a reinforcement layer: firstly, connecting an anchoring connecting plate at the top of a filler strip rope ladder with a slope rock-soil layer through an anchoring bolt I, then laying a filler strip and a rope along the slope rock-soil layer, then laying a reinforced layer, and connecting the top of the reinforced layer with a catch basin through an anchoring bolt II; then anchoring the anchoring studs which are firmly connected with the partition plate, the retaining plate and the anchoring top plate into the side slope rock-soil layer; the partition plate is vertically welded with the soil retaining plate, and the soil retaining plate is parallel to the trend of the side slope; an anchoring top plate is arranged at the top of the anchoring stud; the anchoring top plate is connected to the bottom of the partition plate and the bottom of the retaining plate;
7) the vegetation soil layer I and the vegetation soil layer II are arranged: spraying the vegetation soil layer I, and filling the vegetation soil layer II in the crop planting groove;
8) and (3) side slope uniform sprinkling construction: set up water tank and ballast body two on the portable platform of slip watering device to pass through rod end connecting bolt and rotation hinge with the both ends of slant extension rod respectively with spray pipe and portable platform and be connected, adjust the inclination of slant extension rod through angle adjusting rod, and make spray pipe and water tank pass through the aqueduct and be connected, evenly spray water maintenance afforestation crop to vegetation soil layer one through the water jet.
Preferably, the cross sections of the upper shearing plate and the lower shearing plate in the step 1) are arc-shaped and respectively consist of a shearing transverse plate and a shearing blade; the first groove side wall and the second groove side wall of the double-layer drainage ditch are simultaneously poured into a whole by adopting reinforced concrete materials; the cell wall inverted filter layer is made of geotextile materials; the tank bottom water filtering plate is made of a concrete plate, and a tank bottom water seepage tank is arranged on the tank bottom water filtering plate.
Preferably, the water seepage grooves in the step 2) are dug along the height direction of the slope, and the depth of the water seepage grooves is 0.1-0.2 m.
Preferably, the drainage strips in the step 5) are laid along the inner surface of the water seepage groove, and the bottom of the drainage strips is inserted into the drainage ditch.
Preferably, the cross section of the drainage ditch arrangement groove in the step 3) is the same as that of the double-layer drainage ditch.
Preferably, the partition plate and the retaining plate in the step 6) are vertically welded and connected, and the retaining plate is parallel to the trend of the side slope.
Preferably, the method comprises the following steps: step 7), adopting cohesive soil for the vegetation soil layer I; and the vegetation soil layer II adopts sandy soil or plant-growing concrete, and the top surface elevation is 10-20cm lower than that of the crop planting groove.
Preferably, the method comprises the following steps: step 8) the water spraying ports are uniformly arranged at intervals along the length direction of the water spraying pipe; the movable platform is connected with the ground through rollers or rails.
The invention has the beneficial effects that:
(1) the prefabricated double-layer drainage ditch comprises the crop planting groove and the drainage ditch, so that the requirement of side slope drainage can be met, the side slope platform can be greened, and the greening effect of the side slope is improved.
(2) The arc-shaped slope-shaping frame can quickly finish slope-shaping construction on the changed position of the slope surface shape, reduce the difficulty of slope arc-shaped slope shaping and improve the effect of slope arc-shaped slope shaping.
(3) According to the invention, the water seepage groove is excavated along the slope surface, and the drainage strip is laid in the water seepage groove, so that the drainage effect of the slope surface and the air permeability of the vegetation soil layer I can be greatly improved.
(4) The invention adopts the sliding sprinkler to carry out slope sprinkling construction, can effectively improve the uniformity of slope sprinkling and avoid scouring the vegetation soil layer I in the sprinkling construction.
Drawings
FIG. 1 is a schematic cross-sectional view of the soft rock slope ecological protection structure of the present invention;
FIG. 2 is a schematic cross-sectional view of a double drain;
FIG. 3 is a schematic cross-sectional view of a sliding sprinkler according to the present invention;
FIG. 4 is a schematic cross-sectional view of an arc-shaped slope-molding frame according to the present invention;
FIG. 5 is a schematic cross-sectional view of the upper shear plate and the lower shear plate;
FIG. 6 is a schematic view of the structure of a filler rope ladder;
FIG. 7 is a schematic view of the attachment of the retaining plate and anchor stud to the partition plate;
FIG. 8 is a schematic view of the layout of the infiltration grooves;
FIG. 9 is a flow chart of the soft rock slope ecological protection construction of the invention.
Description of reference numerals: 1-double-layer drainage ditch; 2-arc-shaped slope-shaping frame; 3-a crop planting tank; 4-a drainage ditch; 5-tank bottom water filtering plate; 6-trench sidewall one; 7-a groove top pressure bearing platform; 8-trench sidewall two; 9-side wall drainage slotted holes; 10-cell wall inverted filter layer; 11-molding a slope transverse plate; 12-upper shear plate; 13-lower shear plate; 14-transverse webs; 15-a pull-cord connector; 16-weight one; 17-slope rock-soil layer; 18-water seepage grooves; 19-arranging grooves in drainage ditches; 20-impermeable layer; 21-slope protection anchor rod; 22-transverse drain pipe; 23-a drainage strip; 24-a ribbed layer; 25-a filler rope ladder; 26-an anchoring connection plate; 27-anchoring the bolt I; 28-a filler strip; 29-catch drain; 30-anchoring a bolt II; 31-a partition plate; 32-a soil guard plate; 33-anchoring studs; 34-vegetation soil layer one; 35-vegetation soil layer two; 36-sliding sprinkler; 37-a movable platform; 38-a water tank; 39-pressing the second heavy body; 40-oblique extension rods; 41-water spray pipe; 42-rod end connecting bolt; 43-a rotating hinge; 44-angle adjusting rod; 45-a water conduit; 46-water spray nozzle; 47-shearing a transverse plate; 48-a shearing edge; 49-tank bottom water seepage tank; 50-a rope; 51-anchoring the top plate.
Detailed Description
The present invention will be further described with reference to the following examples. The following examples are set forth merely to aid in the understanding of the invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
The technical requirements of excavation construction of a slope rock-soil layer, the technical requirements of design and construction of a slope protection anchor rod, the technical requirements of design and construction of a transverse drain pipe, the technical requirements of design and manufacturing construction of a double-layer drainage ditch, the technical requirements of vegetation soil layer-spraying construction and the like are omitted in the embodiment, and the embodiment of the structure related to the invention is mainly explained.
Referring to fig. 1 to 8, the invention adopts an arc-shaped slope molding frame 2 to perform fillet slope molding, and a slope protection anchor rod 21 and a transverse drain pipe 22 are arranged in a slope rock-soil layer 17; paving a double-layer drainage ditch 1 prefabricated in a segmented manner on the side slope platform; laying a drainage strip 23 along the slope seepage groove 18, and communicating a transverse drainage pipe 22 with the drainage strip 23; firstly, connecting an anchoring connecting plate 26 at the top of a filler strip rope ladder 25 with a side slope rock-soil layer 17 through an anchoring bolt, then laying a filler strip 28 on the outer side of the side slope rock-soil layer 17, then laying a reinforcement layer 24, anchoring an anchoring stud 33 which is firmly connected with a partition plate 31 and a soil retaining plate 32 into the side slope rock-soil layer 17, then spraying a vegetation soil layer I34, and filling a vegetation soil layer II 35 in a crop planting groove 3; the sliding sprinkler 36 is adopted to perform the maintenance irrigation of the green crops.
The double-layer drainage ditch 1 comprises a crop planting groove 3 and a drainage ditch 4, and a tank bottom water filtering plate 5 is arranged between the crop planting groove 3 and the drainage ditch 4; the width of the crop planting groove 3 is 1.2m, and the height is 0.3 m; the width of the drainage ditch 4 is 0.6m, and the height is 0.6 m; the tank bottom water filtering plate 5 is a concrete plate, the strength grade of the concrete is C35, the plate thickness is 100mm, and the width is 0.55 m. The thickness of the first groove side wall 6 and the second groove side wall 8 are both 100mm, and concrete slabs are adopted, and the concrete strength grade is C35. The width of the ditch top pressure bearing platform 7 is 0.1m, and the height thereof is 0.1 m; the height of the side wall water drainage slotted hole 9 is 5mm, and the length is 20 mm. And a groove wall reverse filter layer 10 is laid along the inner side wall of the crop planting groove 3, and the groove wall reverse filter layer 10 adopts reverse filter geotextile. The width of the tank bottom water seepage tank 49 is 1cm and the length is 0.5m, which are arranged on the tank bottom water filtering plate 5.
The slope-molding transverse plate 11 of the arc-shaped slope-molding frame 2 is connected with the upper shearing plate 12 and the lower shearing plate 13 through the transverse connecting plate 14. The arc length of the upper shearing plate 12 and the arc length of the lower shearing plate 13 are 2m, the width of the upper shearing plate is 0.3m, and the upper shearing plate and the lower shearing plate are rolled by steel plates with the thickness of 2cm and the strength grade of Q235; the width of the shearing transverse plate 47 is 25cm, and the width of the shearing blade 48 is 5 cm; the plastic slope transverse plate 11 is 1.5m in length and is formed by rolling a steel plate with the thickness of 2cm and the strength grade of Q235; the width of the transverse connecting plate 14 is 0.1m, and the transverse connecting plate is rolled by a steel plate with the thickness of 1cm and the strength grade of Q235.
A traction rope connecting body 15 and a first ballast body 16 are arranged on the upper surface of the plastic slope transverse plate 11, the traction rope connecting body 15 is formed by bending a twisted steel bar with the diameter of 32mm, and the inner aperture is 10 cm; the first weight 16 is made of iron blocks and has the weight of 50 kg.
The slope rock-soil layer 17 is made of strongly weathered phyllite.
The width of the water seepage groove 18 is 0.3m, and the depth is 0.15 m; the diameter of the transverse drain pipe 22 in the infiltration groove 18 is 130mm, and a drain hose is used.
The drain gutter arrangement groove 19 is 0.1m larger in cross-sectional size than the double-layer drain gutter 1.
The impermeable layer 20 is made of geomembrane and has a thickness of 1 mm.
The slope protection anchor rod 21 adopts a twisted steel bar with the diameter of 32 mm.
The drainage strip 23 adopts a plastic water storage and drainage plate
The reinforcement layer 24 is a steel bar grid.
The filler strip rope ladder 25 consists of an anchoring connecting plate 26, a filler strip 28 and a rope 50; the width of the anchoring connecting plate 26 is 0.2m, and the anchoring connecting plate is formed by rolling a steel plate with the thickness of 2mm and the strength grade of Q235; the filler strip 28 is a square wood strip with the thickness of 100mm multiplied by 1000 mm; the rope 50 is a steel wire rope with a diameter of 5 mm.
The first anchor bolt 27 and the second anchor bolt 30 are both made of twisted steel with the diameter of 32mm, and the length of the twisted steel is 100 mm.
The cross section of the intercepting ditch 29 is rectangular, the width is 0.5m, and the depth is 0.5 m.
The separation plate 31, the retaining plate 32 and the anchoring top plate 51 are all formed by rolling steel plates with the thickness of 2mm and the strength grade of Q235, and the heights of all the steel plates are 100 mm; wherein the length of the partition plate 31 is 300mm and the length of the soil guard plate 32 is 500 mm. An anchor top plate 51 having a width of 100mm and a length of 120mm is provided on the top of the anchor stud 33. The anchoring peg 33 is made of a twisted steel bar with a diameter of 32mm and a length of 100 mm.
The thickness of the vegetation soil layer I34 is 150mm, and cohesive soil is adopted; and the second vegetation soil layer 35 is sandy soil with the thickness of 200 mm.
The movable platform 37 of the sliding sprinkler 36 is connected with the water tank 38 and the second ballast body 39 in a welding way. The water carrying capacity of the water tank 38 is 2m3, and the water tank is formed by welding steel plates with the thickness of 1 mm; the second weight 39 weighs 500 kg.
The oblique extension rod 40 is a steel pipe with the diameter of 100mm, the length of 5m and the wall thickness of 2 mm; the spray pipe 41 is made of PVC pipe with the diameter of 100mm, the side surface of the spray pipe 41 is provided with a water spray opening 46, and the water spray opening 46 is made of an automatic water spray nozzle.
The rod end connecting bolt 42 is a sleeve bolt with an inner diameter of 100 mm.
The rotary hinge 43 is a spherical hinge with a diameter of 100 mm.
The angle adjusting rod 44 is made of a steel pipe with a diameter of 100mm and a wall thickness of 2 mm.
The water conduit 45 is a rubber hose with a diameter of 30 mm.
Fig. 9 is a flow chart of the soft rock slope ecological protection construction of the present invention, and referring to fig. 9, a soft rock slope ecological protection construction method includes the following construction steps:
1) preparing a double-layer drainage ditch 1 and an arc-shaped plastic slope frame 2: the double-layer drainage ditch 1 comprises a crop planting groove 3 and a drainage ditch 4, and a tank bottom water filtering plate 5 is arranged between the crop planting groove 3 and the drainage ditch 4; a ditch top pressure bearing platform 7 is arranged on a ditch side wall I6 at the top of the drainage ditch 4, and a side wall water drainage slotted hole 9 is arranged on a ditch side wall II 8 of the crop planting ditch 3; laying a groove wall inverted filter layer 10 along the inner side wall of the crop planting groove 3; a plastic slope transverse plate 11 of the arc-shaped plastic slope frame 2 is connected with an upper shearing plate 12 and a lower shearing plate 13 through a transverse connecting plate 14, and a traction rope connecting body 15 and a first ballast body 16 are arranged on the upper surface of the plastic slope transverse plate 11;
2) excavating a slope surface of the side slope: firstly, excavating a side slope rock-soil layer 17 by using construction machinery, then performing fillet slope molding on the changed position of the slope surface shape by using an arc-shaped slope molding frame 2, and excavating a water seepage groove 18 at the position of a transverse drain pipe 22;
3) the double-layer drainage ditch 1 is arranged: digging a drainage ditch laying groove 19 on the slope platform, then paving an impermeable layer 20 in the drainage ditch laying groove 19, and hoisting the double-layer drainage ditch 1 into the drainage ditch laying groove 19;
4) the slope protection anchor rods 21 and the transverse drain pipes 22 are arranged: after finishing the slope surface finishing, respectively drilling a slope protection anchor rod 21 and a transverse drain pipe 22 into the slope rock-soil layer 17;
5) the drainage strips 23 are laid: paving a drainage strip 23 in the water seepage groove 18 along the slope surface, and communicating the transverse drainage pipe 22 with the drainage strip 23;
6) arranging a reinforcing rib layer 24: firstly, connecting an anchoring connecting plate 26 at the top of a filler strip rope ladder 25 with a slope rock-soil layer 17 through a first anchoring bolt 27, then laying a filler strip 28 and a rope 50 along the slope rock-soil layer, then laying a reinforced layer 24, and connecting the top of the reinforced layer 24 with a cut-off ditch 29 through a second anchoring bolt 30; then anchoring the anchoring studs 33 firmly connected with the partition plate 31, the retaining plate 32 and the anchoring top plate 51 into the slope rock-soil layer 17;
7) vegetation soil layer one 34 and vegetation soil layer two 35 set up: spraying a vegetation soil layer I34, and filling a vegetation soil layer II 35 in the crop planting groove 3;
8) and (3) side slope uniform sprinkling construction: a water tank 38 and a second ballast body 39 are arranged on a movable platform 37 of the sliding sprinkler 36, two ends of an inclined extension rod 40 are respectively connected with a water spray pipe 41 and the movable platform 37 through a rod end connecting bolt 42 and a rotating hinge 43, the inclination angle of the inclined extension rod 40 is adjusted through an angle adjusting rod 44, the water spray pipe 41 is connected with the water tank 38 through a water guide pipe 45, and water is uniformly sprayed to a vegetation soil layer 34 through a water spray opening 46 to maintain green crops.
Claims (6)
1. A soft rock slope ecological protection construction method is characterized by comprising the following construction steps:
1) preparing a double-layer drainage ditch (1) and an arc-shaped plastic slope frame (2): the double-layer drainage ditch (1) comprises a crop planting groove (3) and a drainage ditch (4), and a groove bottom water filtering plate (5) is arranged between the crop planting groove (3) and the drainage ditch (4); a ditch top pressure bearing platform (7) is arranged on a first ditch side wall (6) at the top of the drainage ditch (4), and a side wall water drainage slotted hole (9) is arranged on a second ditch side wall (8) of the crop planting ditch (3); a groove wall inverted filter layer (10) is laid along the inner side wall of the crop planting groove (3); a slope molding transverse plate (11) of the arc-shaped slope molding frame (2) is connected with an upper shearing plate (12) and a lower shearing plate (13) through a transverse connecting plate (14), and a traction rope connector (15) and a first ballast body (16) are arranged on the upper surface of the slope molding transverse plate (11); the cross sections of the upper shearing plate (12) and the lower shearing plate (13) are arc-shaped and are respectively composed of a shearing transverse plate (47) and a shearing blade (48);
2) excavating a slope surface of the side slope: firstly, excavating a side slope rock-soil layer (17) by using construction machinery, then carrying out fillet slope molding on a slope surface shape change part by using an arc-shaped slope molding frame (2), and excavating a water seepage groove (18) at the position of a transverse drain pipe (22), wherein the water seepage groove (18) is excavated along the height direction of the slope surface, and the depth of the water seepage groove is 0.1-0.2 m;
3) the double-layer drainage ditch (1) is arranged: digging a drainage ditch arrangement groove (19) on the slope platform, then paving an impermeable layer (20) in the drainage ditch arrangement groove (19), and hoisting the double-layer drainage ditch (1) into the drainage ditch arrangement groove (19);
4) the slope protection anchor rod (21) and the transverse drain pipe (22) are arranged: after finishing the slope surface finishing, respectively drilling a slope protection anchor rod (21) and a transverse drain pipe (22) into the slope rock-soil layer (17);
5) arranging a drainage strip (23): paving a drainage strip (23) in the water seepage groove (18) along the slope surface, and communicating the transverse drainage pipe (22) with the drainage strip (23);
6) arranging a reinforcing rib layer (24): firstly, connecting an anchoring connecting plate (26) at the top of a filler strip rope ladder (25) with a slope rock-soil layer (17) through an anchoring bolt I (27), then laying a filler strip (28) and a rope (50) along the slope rock-soil layer, then laying a reinforced layer (24), and connecting the top of the reinforced layer (24) with a catch basin (29) through an anchoring bolt II (30); then anchoring the anchoring studs (33) which are firmly connected with the partition plates (31), the retaining plates (32) and the anchoring top plates (51) into the side slope rock-soil layer (17); the partition plate (31) is vertically welded with the soil retaining plate (32), and the soil retaining plate (32) is parallel to the trend of the side slope; an anchoring top plate (51) is arranged at the top of the anchoring stud (33); the anchoring top plate (51) is connected to the bottom of the partition plate (31) and the retaining plate (32);
7) vegetation soil layer one (34) and vegetation soil layer two (35) set up: spraying a vegetation soil layer I (34), and filling a vegetation soil layer II (35) in the crop planting groove (3);
8) and (3) side slope uniform sprinkling construction: a water tank (38) and a second ballast body (39) are arranged on a movable platform (37) of a sliding water spraying device (36), two ends of an inclined extension rod (40) are respectively connected with a water spraying pipe (41) and the movable platform (37) through a rod end connecting bolt (42) and a rotating hinge (43), the inclination angle of the inclined extension rod (40) is adjusted through an angle adjusting rod (44), the water spraying pipe (41) is connected with the water tank (38) through a water guide pipe (45), and water is uniformly sprayed to a vegetation soil layer I (34) through a water spraying port (46) to maintain greening crops.
2. The soft rock slope ecological protection construction method according to claim 1, characterized in that: step 1), pouring a first groove side wall (6) and a second groove side wall (8) of the double-layer drainage ditch (1) into a whole by adopting a reinforced concrete material; the cell wall inverted filter layer (10) is made of geotextile materials; the tank bottom water filtering plate (5) is a concrete plate, and a tank bottom water seepage tank (49) is arranged on the tank bottom water filtering plate (5).
3. The soft rock slope ecological protection construction method according to claim 1, characterized in that: and 5) paving the drainage strip (23) along the inner surface of the water seepage groove (18), and inserting the bottom of the drainage strip into the drainage ditch (4).
4. The soft rock slope ecological protection construction method according to claim 1, characterized in that: and step 3), the cross section of the drainage ditch arrangement groove (19) is the same as that of the double-layer drainage ditch (1).
5. The soft rock slope ecological protection construction method according to claim 1, characterized in that: step 7), adopting cohesive soil for the vegetation soil layer I (34); the vegetation soil layer II (35) adopts sandy soil or plant-growing concrete, and the top surface elevation is 10-20cm lower than that of the crop planting groove (3).
6. The soft rock slope ecological protection construction method according to claim 1, characterized in that: step 8), the water spraying nozzles (46) are uniformly arranged at intervals along the length direction of the water spraying pipe (41); the movable platform (37) is connected with the ground through rollers or rails.
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| CN201810427906.XA CN108755708B (en) | 2018-05-07 | 2018-05-07 | Soft rock slope ecological protection construction method |
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| CN201810427906.XA CN108755708B (en) | 2018-05-07 | 2018-05-07 | Soft rock slope ecological protection construction method |
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| CN108755708B true CN108755708B (en) | 2020-06-02 |
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| CN107246019B (en) * | 2017-06-30 | 2019-10-29 | 浙江大学 | A kind of slope underground water drilling self-starting drainage by suction method |
| CN109315237B (en) * | 2018-11-08 | 2020-10-09 | 郭少河 | Method for greening high and steep rocky slope of mine |
| CN109577456B (en) * | 2018-12-07 | 2020-11-20 | 杭州昂创科技有限公司 | Construction method of ecological prefabricated assembly type reinforced concrete rapid trough drainage system |
| CN110396990B (en) * | 2019-08-13 | 2024-07-19 | 山东省水利科学研究院 | Cut and lead ecological escape canal |
| CN110453683B (en) * | 2019-08-20 | 2021-02-23 | 中化明达(福建)地质勘测有限公司 | Construction method of greening soil nailing wall |
| CN114303806B (en) * | 2021-12-21 | 2023-02-28 | 中煤(安徽)地质环保科技有限公司 | Vegetation greening method and vegetation greening auxiliary structure thereof in alpine and high-altitude areas |
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| CN203403426U (en) * | 2013-08-13 | 2014-01-22 | 南昌工程学院 | Supporting structure of expensive earth road cutting side slope |
| CN104695451A (en) * | 2013-12-06 | 2015-06-10 | 大连环复生态技术有限公司 | Slope greening system having internal impounding and draining structure |
| KR20150002028U (en) * | 2015-01-23 | 2015-05-28 | 시아먼 헝통 커신 띠시아 파이슈이 꽁청 유한공사 | Structure to drain water in slope with s type drain pipe |
| CN205604265U (en) * | 2016-04-12 | 2016-09-28 | 化学工业岩土工程有限公司 | Slope protection structure |
| CN106869146A (en) * | 2017-02-22 | 2017-06-20 | 安徽省交通建设股份有限公司 | A kind of careless blanket ecoscape slope protection system and construction method |
| CN207121869U (en) * | 2017-08-28 | 2018-03-20 | 刘国富 | A kind of hydraulic engineering ecological protection slope |
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