Ecological slope protection and green recovery system for steep rock high slope water-intercepting planting belt and construction method of ecological slope protection and green recovery system

Abstract

The invention relates to an ecological slope protection and green recovery system for a steep rock high slope water interception vegetation belt and a construction method. The construction method comprises the following steps that a precast beam is fixedly connected with a steep rock high slope through an anchor cable; constructing a cast-in-place concrete slab; mounting a profile steel bracket; long-bag vegetation belt construction is carried out on the operation platform; planting and maintaining green vegetation. The construction method has the beneficial effects that the top cantilever prefabricated assembly type drainage ditch is designed, the prefabricated beam provided with the preformed groove is arranged on the steep rock high slope, the two ends of the prefabricated beam are supported in the preformed groove of the prefabricated beam, the cantilever prefabricated assembly type drainage ditch is semi-suspended, segmental assembly of the cantilever prefabricated assembly type drainage ditch is achieved, and adjustable irrigation of water flow is achieved; the plant survival rate of the long-bag vegetation belt is ensured; by developing a fixing technology for fixing the fixed buckle long bag vegetation belts on the slope surface, the long bag vegetation belts are fixed with the steep rock high slope through buckle type anchor rods.

Description

Technical Field

[0001] The invention belongs to the field of ecological restoration, and in particular relates to an ecological slope protection and greening system of a steep rocky high slope water interception vegetation belt and a construction method. Background Art

[0002] As people's awareness of ecological environmental protection increases, ecological slope protection technology has gradually been valued and developed. Due to the characteristics of exposed rocks, poor soil, and steep slopes, it is difficult for vegetation to recover naturally on steep rock slopes, which in turn causes a series of ecological and environmental problems such as soil erosion and landscape destruction. These problems not only affect the stability of the slope, but may also have a negative impact on the surrounding environment. Slope stability requirements: In the process of road and bridge construction, mine development, dam construction and other projects, the stability of steep rock slopes is crucial. Traditional engineering slope protection methods such as mesh anchor spraying concrete and grouting can ensure the stability of the slope to a certain extent, but they often require large investments and are not conducive to ecological restoration.

[0003] In summary, for the construction of ecological slope protection and greening system of water interception vegetation belt on steep rocky high slope, it is very important to seek an ecological slope protection and greening system of water interception vegetation belt on steep rocky high slope with fast construction speed, simple operation and reliable construction quality and its construction method. Summary of the invention

[0004] The purpose of the present invention is to overcome the deficiencies in the prior art and to provide an ecological slope protection and greening system for a steep rocky high slope water interception vegetation belt and a construction method.

[0005] This steep rocky high slope water interception vegetation belt ecological slope protection and greening system includes a steep rocky high slope, prefabricated beams, cantilevered prefabricated assembled drainage ditches, steel brackets, an operating platform and a long bag vegetation belt; the prefabricated beams are fixedly connected to the top of the steep rocky high slope by anchor cables, and cast-in-place concrete slabs are provided between the prefabricated beams; the cantilevered prefabricated assembled drainage ditches are installed on the prefabricated beams and are provided with a drip irrigation system; the steel brackets are arranged from top to bottom along the steep rocky high slope, and the top of the steel brackets are connected to the prefabricated beams; the operating platform is installed on the steel brackets; the steep rocky high slope is provided with a slope line, and the long bag vegetation belt is fitted and connected to the slope line.

[0006] Preferably, the prefabricated beam is provided with embedded threaded rods, embedded steel bars and reserved holes, one end of the prefabricated beam is cantilevered from the top of the steep rocky high slope, and a reserved groove and anti-falling ribs are provided at the cantilevered end; the anchor cable passes through the reserved hole to fix the prefabricated beam.

[0007] Preferably, a cast-in-place concrete slab is provided on the top of the steep rocky high slope, and the cast-in-place concrete slab includes a steel cage; the steel cage is welded and fixed to the precast beam embedded steel bars, and a reserved groove is provided on the side of the cast-in-place concrete slab close to the slope line.

[0008] Preferably, the steel support includes inner columns, outer columns, upper cross beams, lower cross beams and an operating platform; the upper cross beams are provided with ear plates, which are fixed to the prefabricated beams by embedded threaded rods; the lower cross beams are anchored to the bottom of the slope; the operating platform includes a safety net, guardrails, cross bars and longitudinal bars, wherein the cross bars are provided with ear plates, which are connected and fixed to the inner columns and outer columns by fixing screws, and the upper part of the cross bars is provided with longitudinal bars and guardrails in sequence from bottom to top, and a safety net is provided between the guardrails.

[0009] Preferably, the operating platform is installed at different heights on the steel support from top to bottom, and a plurality of operating platforms are provided according to the length of the slope; the long bag vegetation belt is fixedly connected to the steep rocky high slope by a snap-on anchor rod.

[0010] Preferably, the snap-on anchor comprises an anchor and a V-shaped steel bar, and the V-shaped steel bar is welded to the end of the anchor.

[0011] Preferably, the cantilever prefabricated assembled drainage ditch comprises several sections, both ends of each cantilever prefabricated assembled drainage ditch section are supported in the reserved grooves of prefabricated beams, one side of the middle part of the cantilever prefabricated assembled drainage ditch is placed on the reserved grooves of cast-in-place concrete slabs, a plastic hose is provided on the inner side of the long bag vegetation belt, and holes are provided on the plastic hose, the cantilever prefabricated assembled drainage ditch is provided with a pre-buried drip irrigation steel pipe, and the pre-buried drip irrigation steel pipe is connected to the plastic hose; the pre-buried drip irrigation steel pipe is equipped with a piston.

[0012] The construction method of the steep rocky high slope water interception vegetation belt ecological slope protection and greening system comprises the following steps: Step 1: The prefabricated beam is fixedly connected to the steep rocky high slope through an anchor cable; Step 2: Cast-in-place concrete slab construction: The steel cage is welded and fixed to the embedded steel bars, the cast-in-place concrete slab is cast, and a reserved groove is set at the slope line position; Step 3: Installation of steel support: The top of the steel support is fixed to the prefabricated beam, and the bottom is anchored to the bottom of the slope; operating platforms are set at different heights of the steel support; Step 4: constructing a long bag vegetation belt on the operating platform: the long bag vegetation belt is fixed to the steep rocky high slope by means of a snap-on anchor rod; Step 5: Planting and maintenance of green vegetation: Install the cantilevered prefabricated assembled drainage ditch on the prefabricated beam and the cast-in-place concrete slab, and connect the inner side of the long bag vegetation belt through a plastic hose for drip irrigation.

[0013] The beneficial effects of the present invention are: 1) The present invention designs a top cantilevered prefabricated assembled drainage ditch, arranges a prefabricated beam with a reserved groove on a steep rocky high slope, supports both ends in the reserved groove of the prefabricated beam, and the cantilevered prefabricated assembled drainage ditch is semi-suspended, thereby realizing segmented assembly of the cantilevered prefabricated assembled drainage ditch, achieving regulated irrigation of water flow, and ensuring the survival rate of plants in the long bag vegetation belt.

[0014] 2) The present invention develops a fixing technology for a standardized clip-on long bag vegetation belt fixed on the slope surface. The long bag vegetation belt is fixed to the steep rocky high slope through a clip-on anchor rod, so that the long bag vegetation belt can fit the steep rocky high slope well, ensuring the stability of the slope.

[0015] 3) The present invention develops a standardized hanging bracket technology for slope construction. The operating platform is installed at different heights of the steel bracket from top to bottom, which makes it convenient for workers to drill holes on steep rock slopes, improves work efficiency and ensures work safety.

[0016] 4) The present invention designs a method for combining prefabrication and cast-in-place treatment of the slope top surface. The cast-in-place concrete slab and the prefabricated beam are arranged at intervals, and one side of the middle part of the cantilevered prefabricated assembled drainage ditch is placed on the reserved groove of the cast-in-place concrete slab, which is semi-suspended, thereby reducing costs while also ensuring the overall structural strength. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a cross-sectional diagram of the ecological slope protection and greening system of the water interception vegetation belt on steep rocky high slopes; Figure 2 It is a side elevation diagram of the ecological slope protection and greening system of the water interception vegetation belt on the steep rocky high slope; Figure 3 It is a schematic diagram of the connection section of the precast beam and the cast-in-place concrete slab; Figure 4 This is a schematic diagram of the operating platform; Figure 5 This is a schematic diagram of the precast beam elevation; Figure 6 It is a schematic diagram of the plan of the precast beam; Figure 7 It is a plan view of the installation of cantilevered prefabricated assembled drainage ditch.

[0018] Explanation of the accompanying drawings: 1-steep rocky high slope, 2-slope line, 3-anchor cable, 4-prefabricated beam, 5-cantilevered prefabricated assembled drainage ditch, 6-embedded threaded rod, 7-snap-in anchor rod, 8-steel bracket, 9-inner column, 10-outer column, 11-upper cross beam, 12-lower cross beam, 13-operating platform, 14-long bag vegetation belt, 15-fixing screw, 16-anti-falling rib, 17-reserved groove, 18-ear plate, 19-cast-in-place concrete slab, 20-rebar cage, 21-embedded steel bars, 22-safety net, 23-guardrail, 24-cross bar, 25-longitudinal bar, 26-reserved hole, 27-embedded drip irrigation steel pipe. DETAILED DESCRIPTION

[0019] The present invention is further described below in conjunction with embodiments. The description of the following embodiments is only used to help understand the present invention. It should be noted that for ordinary persons in the art, without departing from the principle of the present invention, the present invention can also be modified in some ways, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.

[0020] Embodiment 1 As an embodiment, this steep rocky high slope water interception vegetation belt ecological slope protection and greening system includes a steep rocky high slope 1, a prefabricated beam 4, a cantilevered prefabricated assembled drainage ditch 5, a steel support 8, an operating platform 13 and a long bag vegetation belt 14; the prefabricated beam 4 is fixedly connected to the top of the steep rocky high slope 1 by an anchor cable 3, and a cast-in-place concrete slab 19 is provided between the prefabricated beams 4; the cantilevered prefabricated assembled drainage ditch 5 is installed on the prefabricated beam 4 and is provided with a drip irrigation system; the steel support 8 is arranged from top to bottom along the steep rocky high slope 1, and the top of the steel support 8 is connected to the prefabricated beam 4; the operating platform 13 is installed on the steel support 8; the steep rocky high slope 1 is provided with a slope line 2, and the long bag vegetation belt 14 is fitted and connected to the slope line 2.

[0021] The prefabricated beam 4 is prefabricated in a factory, and is provided with embedded threaded rods 6, embedded steel bars 21, and reserved holes 26. A reserved groove 17 and an anti-falling rib 16 are provided at the cantilever end; the anchor cable 3 passes through the reserved hole 26 to fix the prefabricated beam 4; the cast-in-place concrete slab 19 steel cage 20 is welded and fixed to the embedded steel bars 21 of the prefabricated beam 4, and a reserved groove 17 is provided at the position of the slope line 2 of the cast-in-place concrete slab 19.

[0022] like Figure 1As shown, the steel support 8 is composed of inner columns 9, outer columns 10, upper crossbeams 11, lower crossbeams 12, an operating platform 13, etc.; the upper crossbeam 11 is provided with ear plates 18 and fixed with prefabricated beams 4 with embedded threaded rods 6; the lower crossbeam 12 is fixed by connecting with ordinary anchor rods at the bottom of the slope; the operating platform 13 is composed of safety nets 22, guardrails 23, cross bars 24, longitudinal bars 25, etc., which are arranged in layers, wherein the cross bar 24 is provided with ear plates 18 and connected and fixed with the inner columns 9 and outer columns 10 of the steel support 8 through fixing screws 15, and the upper part of the cross bar 24 is provided with longitudinal bars 25, guardrails 23, safety nets 22, steel plates or bamboo plywood in sequence.

[0023] The operating platform 13 is installed from top to bottom, and the steel bracket 8 can be recycled according to the length of the slope. Workers drill holes for the snap-on anchor rods 7 on the operating platform 13, and the long bag vegetation belt 14 is fixed by the snap-on anchor rods 7; the snap-on anchor rods 7 are made by welding V-shaped steel bars at the ends of ordinary anchor rods.

[0024] like Figure 7 As shown, the cantilevered prefabricated assembled drainage ditch 5 is prefabricated in the factory with its two end supports and the reserved groove 17 of the prefabricated beam 4, and is placed in the cast-in-place concrete slab 19 with the reserved groove 17 in a semi-suspended state; the cantilevered prefabricated assembled drainage ditch 5 is provided with a pre-buried drip irrigation steel pipe 27 connected with a plastic hose, wherein the plastic hose is provided with holes for drip irrigation, and is located on the inner side of the long bag vegetation belt 14; the pre-buried drip irrigation steel pipe 27 of the cantilevered prefabricated assembled drainage ditch 5 is sealed by a piston on a daily basis to drain rainwater, and the piston can be removed in the dry season to store water through the cantilevered prefabricated assembled drainage ditch 5, and drip irrigation is carried out through the plastic hose to ensure the survival rate of plants in the long bag vegetation belt 14.

[0025] Embodiment 2 As another embodiment, this embodiment 2 proposes, based on the embodiment 1, a more specific steep rock high slope water interception vegetation belt ecological slope protection and greening system: like Figure 6 As shown, the prefabricated beam 4 is provided with embedded threaded rods 6, embedded steel bars 21 and reserved holes 26. One end of the prefabricated beam 4 is cantilevered from the top of the steep rocky high slope 1, and a reserved groove 17 and an anti-falling rib 16 are provided at the cantilevered end; the anchor cable 3 passes through the reserved hole 26 to fix the prefabricated beam 4.

[0026] like Figure 3 As shown, a cast-in-place concrete slab 19 is provided on the top of the steep rocky high slope 1, and the cast-in-place concrete slab 19 includes a steel cage 20; the steel cage 20 is welded and fixed to the precast beam 4 with embedded steel bars 21, and a reserved groove 17 is provided on the side of the cast-in-place concrete slab 19 close to the slope line 2.

[0027] The steel support 8 includes inner columns 9, outer columns 10, upper cross beams 11, lower cross beams 12 and an operating platform 13; the upper cross beam 11 is provided with ear plates 18, and the ear plates 18 are fixed to the prefabricated beams 4 by embedded threaded rods 6; the lower cross beam 12 is anchored to the bottom of the slope; the operating platform 13 includes a safety net 22, a guardrail 23, a cross bar 24 and a longitudinal bar 25, wherein the cross bar 24 is provided with an ear plate 18, and the ear plate 18 is connected and fixed to the inner columns 9 and the outer columns 10 by fixing screws 15, and the upper part of the cross bar 24 is sequentially provided with longitudinal bars 25 and guardrails 23 from bottom to top, and a safety net 22 is provided between the guardrails 23.

[0028] The operating platform 13 is installed at different heights of the steel support 8 from top to bottom, and a plurality of operating platforms 13 are arranged according to the length of the slope; the long bag vegetation belt 14 is fixedly connected to the steep rock high slope 1 through the snap-on anchor rod 7.

[0029] The snap-on anchor rod 7 comprises an anchor rod and a V-shaped steel bar, and the V-shaped steel bar is welded to the end of the anchor rod.

[0030] like Figure 7 As shown, the cantilevered prefabricated assembled drainage ditch 5 includes several sections, and both ends of each cantilevered prefabricated assembled drainage ditch 5 section are supported in the reserved groove 17 of the prefabricated beam 4. One side of the middle part of the cantilevered prefabricated assembled drainage ditch 5 is placed on the reserved groove 17 of the cast-in-place concrete slab 19. A plastic hose is provided on the inner side of the long bag vegetation belt 14, and holes are provided on the plastic hose. The cantilevered prefabricated assembled drainage ditch 5 is provided with a pre-buried drip irrigation steel pipe 27, which is connected to the plastic hose; the pre-buried drip irrigation steel pipe 27 is installed with a piston.

[0031] It should be noted that the parts in this embodiment that are the same or similar to those in the first embodiment can be referenced to each other and will not be described in detail in this application.

[0032] Embodiment 3 As another embodiment, this embodiment 3, based on the embodiment 2, proposes a construction method for the steep rocky high slope water interception vegetation belt ecological slope protection and greening system, and its main construction steps are as follows: Step 1, prefabricated beam processing: the prefabricated beam 4 is prefabricated in the factory, and is provided with pre-embedded threaded rods 6, pre-embedded steel bars 21, and reserved holes 26, and a reserved groove 17 and an anti-falling rib plate 16 are provided at the cantilever end; the anchor cable 3 passes through the reserved hole 26 to fix the prefabricated beam 4; Step 2: Cast-in-place concrete slab construction: The cast-in-place concrete slab 19 steel cage 20 is welded and fixed to the precast beam 4 embedded steel bars 21, and a reserved groove 17 is set at the position of the slope line 2 of the cast-in-place concrete slab 19; Step 3, installation of steel bracket: The steel bracket 8 is composed of inner column 9, outer column 10, upper crossbeam 11, lower crossbeam 12, operating platform 13, etc.; the upper crossbeam 11 is provided with ear plate 18 and fixed with prefabricated beam 4 embedded threaded rod 6; the lower crossbeam 12 is connected and fixed with the common anchor rod at the bottom of the slope; the operating platform 13 is composed of safety net 22, guardrail 23, cross bar 24, longitudinal bar 25, etc., which are arranged in layers, wherein the cross bar 24 is provided with ear plate 18 and connected and fixed with inner column 9 and outer column 10 of steel bracket 8 through fixing screw 15, and the upper part of cross bar 24 is provided with longitudinal bar 25, guardrail 23, safety net 22, steel plate or bamboo plywood in sequence; Step 4: Construction of long bag vegetation belt: The operating platform 13 is installed from top to bottom. The steel bracket 8 can be recycled according to the length of the slope. Workers drill holes for the clip-on anchor rods 7 on the operating platform 13. The long bag vegetation belt 14 is fixed by the clip-on anchor rods 7. The clip-on anchor rods 7 are made by welding V-shaped steel bars at the ends of ordinary anchor rods. Step 5. Installation and greening maintenance of cantilevered prefabricated drainage ditch: The cantilevered prefabricated drainage ditch 5 is prefabricated in the factory with its two end supports and the reserved groove 17 position of the prefabricated beam 4, and is placed in the cast-in-place concrete slab 19 with the reserved groove 17 in a semi-suspended state; the cantilevered prefabricated drainage ditch 5 is provided with a pre-buried drip irrigation steel pipe 27 connected to a plastic hose, wherein the plastic hose is provided with holes for drip irrigation, and is located on the inner side of the long bag vegetation belt 14; the pre-buried drip irrigation steel pipe 27 of the cantilevered prefabricated drainage ditch 5 is sealed by a piston on a daily basis to drain rainwater, and the piston can be removed in the dry season to store water through the cantilevered prefabricated drainage ditch 5, and drip irrigation is carried out through the plastic hose to ensure the survival rate of plants in the long bag vegetation belt 14.

[0033] It should be noted that the parts in this embodiment that are the same or similar to those in the second embodiment can be referenced to each other and will not be described in detail in this application.

[0034] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

Claims

1. The ecological slope protection and greening system of the water interception vegetation belt on steep rocky high slopes is characterized by: It includes a steep rocky high slope, prefabricated beams, cantilevered prefabricated assembled drainage ditches, steel brackets, an operating platform and long bag vegetation belts; the prefabricated beams are fixedly connected to the top of the steep rocky high slope by anchor cables, and cast-in-place concrete slabs are provided between the prefabricated beams; the cantilevered prefabricated assembled drainage ditches are installed on the prefabricated beams and are provided with a drip irrigation system; the steel brackets are arranged from top to bottom along the steep rocky high slope, and the top of the steel brackets are connected to the prefabricated beams; the operating platform is installed on the steel brackets; the steep rocky high slope is provided with a slope line, and the long bag vegetation belt is fitted and connected to the slope line.

2. The steep rocky high slope water interception vegetation belt ecological slope protection and greening system according to claim 1 is characterized in that: The prefabricated beam is provided with embedded threaded rods, embedded steel bars and reserved holes. One end of the prefabricated beam is cantilevered from the top of the steep rocky high slope, and a reserved groove and an anti-falling rib are provided at the cantilevered end; the anchor cable passes through the reserved hole to fix the prefabricated beam.

3. The steep rocky high slope water interception vegetation belt ecological slope protection and greening system according to claim 2 is characterized in that: A cast-in-place concrete slab is provided on the top of the steep rocky high slope, and the cast-in-place concrete slab includes a steel cage; the steel cage is welded and fixed to the prefabricated beam embedded steel bars, and a reserved groove is provided on one side of the cast-in-place concrete slab close to the slope line.

4. The steep rocky high slope water interception vegetation belt ecological slope protection and greening system according to claim 1 is characterized in that: The steel support includes inner columns, outer columns, upper crossbeams, lower crossbeams and an operating platform; the upper crossbeams are provided with ear plates, which are fixed to the prefabricated beams by embedded threaded rods; the lower crossbeams are anchored to the bottom of the slope; the operating platform includes a safety net, guardrails, cross bars and longitudinal bars, wherein the cross bars are provided with ear plates, which are connected and fixed to the inner columns and outer columns by fixing screws, and longitudinal bars and guardrails are provided on the upper part of the cross bars in sequence from bottom to top, and a safety net is provided between the guardrails.

5. The steep rocky high slope water interception vegetation belt ecological slope protection and greening system according to claim 1 is characterized in that: The operating platform is installed at different heights of the steel support from top to bottom, and a plurality of operating platforms are provided according to the length of the slope; the long bag vegetation belt is fixedly connected to the steep rocky high slope through a snap-on anchor rod.

6. The steep rocky high slope water interception vegetation belt ecological slope protection and greening system according to claim 5 is characterized in that: The clip-on anchor rod comprises an anchor rod and a V-shaped steel bar, and the V-shaped steel bar is welded to the end of the anchor rod.

7. The steep rocky high slope water interception vegetation belt ecological slope protection and greening system according to claim 1 is characterized in that: The cantilever prefabricated assembled drainage ditch comprises several sections, and both ends of each cantilever prefabricated assembled drainage ditch section are supported in the reserved grooves of prefabricated beams. One side of the middle part of the cantilever prefabricated assembled drainage ditch is placed on the reserved grooves of cast-in-place concrete slabs, and a plastic hose is arranged on the inner side of the long bag vegetation belt, and holes are arranged on the plastic hose. The cantilever prefabricated assembled drainage ditch is provided with a pre-buried drip irrigation steel pipe, which is connected to the plastic hose; the pre-buried drip irrigation steel pipe is installed with a piston.

8. The construction method of the steep rocky high slope water interception vegetation belt ecological slope protection and greening system according to any one of claims 1 to 7, characterized in that: The following steps are involved: Step 1: The prefabricated beam is fixedly connected to the steep rocky high slope through an anchor cable; Step 2: Cast-in-place concrete slab construction: The steel cage is welded and fixed to the embedded steel bars, the cast-in-place concrete slab is cast, and a reserved groove is set at the slope line position; Step 3: Installation of steel support: The top of the steel support is fixed to the prefabricated beam, and the bottom is anchored to the bottom of the slope; operating platforms are set at different heights of the steel support; Step 4: constructing a long bag vegetation belt on the operating platform: the long bag vegetation belt is fixed to the steep rocky high slope by means of a snap-on anchor rod; Step 5: Planting and maintenance of green vegetation: Install the cantilevered prefabricated assembled drainage ditch on the prefabricated beam and the cast-in-place concrete slab, and connect the inner side of the long bag vegetation belt through a plastic hose for drip irrigation.

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