CN115772904A - Construction method of drilling embedded matrix container seedling greening system - Google Patents
Construction method of drilling embedded matrix container seedling greening system Download PDFInfo
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- CN115772904A CN115772904A CN202211572925.4A CN202211572925A CN115772904A CN 115772904 A CN115772904 A CN 115772904A CN 202211572925 A CN202211572925 A CN 202211572925A CN 115772904 A CN115772904 A CN 115772904A
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Abstract
The invention relates to a construction method of a drilling embedded matrix container seedling greening system, which mainly comprises the following construction steps: (1) slope cleaning; (2) measuring and paying off; (3) hoisting a movable steel truss construction platform; (4) drilling a container hole; (5) grouting and reinforcing the local broken rock mass; (6) installing a substrate container; (7) filling a container with the nutrient soil matrix; and (8) embedding container seedlings. According to the invention, container holes are drilled in the multistage rocky side slope through a movable steel truss construction platform, anchor rod tension steel plates are adopted for sealing grouting reinforcement aiming at local broken rocks, a matrix container is placed in the container holes, the matrix container is connected through a connected container steel bar net rack, a nutrient soil matrix rapid filling device is adopted in the matrix container for filling nutrient soil matrix, and container seedlings cultivated in advance are transplanted into the matrix container, so that the effect of rapid side slope greening is achieved.
Description
Technical Field
The invention relates to a matrix container seedling embedding and greening system for a drill hole and a construction method, which are mainly suitable for ecological restoration engineering of steep rock slopes with the gradient of more than 60 degrees, such as mines, municipal administration, railways, roads and the like.
Background
The traditional ecological quick restoration technology for the side slope mainly comprises a geotechnical grid method for the rocky side slope, a steep surface net hanging and tendril guiding method, a lattice beam anchoring method, a differential blasting slope cutting method, an anchor rod reinforcing method and the like, but for the steep side slope (greater than 60 degrees), the method is adopted for flexible protection and protection, the steep side slope does not have plant growth conditions, the treated side slope is a permanent smooth slope, and the effect of're-greening' is difficult to achieve.
In recent years, some units adopt to drill holes on side slopes to plant greening plants, and although certain greening effect is achieved, when facing rocky slopes, the following difficulties often exist in the construction process: the rock slope drilling efficiency is low, and the construction period is long; (2) The slope is often provided with local broken rock masses, and due to the fact that the broken rock masses are loose and low in strength, drilling cannot be conducted; (3) The substrate nutrient soil is directly filled in the side slope drill hole, so that the field filling is difficult, the workload is large, the nutrient soil loss is large, and the seedling and maintenance in the later period are difficult; (4) The survival rate of seeds planted in the holes is low, the period of later-stage greening is long, and the greening effect is poor.
Disclosure of Invention
The invention aims to improve the drilling efficiency of rock slopes, reduce the working strength, ensure that local broken rock mass can be drilled normally without collapse, improve the filling efficiency of matrix nutrient soil in the holes of the slope containers, reduce the greening time and cost, and quickly realize slope greening, and the invention provides a simple and effective construction method for embedding the drill holes into the matrix container seedling greening system.
In order to realize the technical purpose, the invention adopts the following technical scheme:
the construction method of the drilling embedded matrix container seedling greening system comprises the following specific steps:
step 1), slope cleaning: compiling a construction scheme, carrying out technical and safe construction and bottom crossing according to the scheme, completely clearing away hanging dangerous rocks, obviously protruding loose rock blocks and pumice on the slope surface, and ensuring the flatness of the slope surface;
step 2), measurement and setting: designing and distributing container holes according to a design drawing and site measurement point location marks, marking a local broken rock body, and determining the drilling positions of the container holes according to a design scheme;
step 3), hoisting a mobile steel truss construction platform: the method comprises the following steps of manufacturing a movable steel truss construction platform in advance, wherein the movable steel truss construction platform comprises a bottom platform steel plate, a vertical primary steel frame, a rake, a vertical secondary steel frame, a sliding block, a knob and a horizontal sliding steel frame, wherein a plurality of universal wheels and supporting feet are arranged at the bottom of the bottom platform steel plate, and the vertical primary steel frame is hinged with the bottom platform steel plate through steel hinges; the vertical secondary steel frame is slidably connected with the vertical primary steel frame, and the vertical secondary steel frame can be adjusted to stretch through a knob on the vertical primary steel frame; rakes are arranged on the vertical primary steel frame and the vertical secondary steel frame; horizontal sliding steel frames are arranged on the vertical primary steel frame and the vertical secondary steel frame, and sliding blocks are arranged at two ends and in the middle of each horizontal sliding steel frame; the sliding blocks positioned at the two ends are fixedly connected with the horizontal sliding steel frame and are connected to the vertical first-stage steel frame or the vertical second-stage steel frame in a sliding manner, and the sliding block positioned in the middle is connected with the horizontal sliding steel frame in a sliding manner and can slide horizontally along the horizontal sliding steel frame; hoisting the movable steel truss construction platform to a multi-grade rock slope, and fixing the movable steel truss construction platform through support legs after moving to a target position; after the extension length of the vertical secondary steel frame is adjusted, the vertical secondary steel frame is locked through a knob, rakes on the vertical primary steel frame and the vertical secondary steel frame are unfolded, the vertical primary steel frame and the vertical secondary steel frame are erected on the multistage rock slope through steel hinge rotation, and the rakes bite the multistage rock slope;
step 4), drilling a container hole: installing a base steel plate on a sliding block of a horizontal sliding steel frame, installing a high-strength spring in a fixed cylinder of the drilling machine, fixing the bottom of the drilling machine with an elastic movable plate and then inserting the drilling machine into the fixed cylinder of the drilling machine, wherein the high-strength spring is propped against the elastic movable plate, and the front end of a drill rod on the drilling machine is propped against the rock surface of the multi-stage rock slope through the high-strength spring; starting a drilling machine, drilling container holes on the multistage rock slope by a drill rod according to lofting mark lines, after one container hole is drilled, moving the drilling machine to the next drilling position and drilling the next container hole by the horizontal movement of a sliding block on a horizontal sliding steel frame, after one row of container holes in the horizontal direction are drilled, sliding the horizontal sliding steel frame in the vertical direction along a vertical first-stage steel frame or a vertical second-stage steel frame, and drilling the next row of container holes until all container holes are drilled;
step 5), grouting and reinforcing local broken rock mass: aiming at a local broken rock body, a grouting anchor rod is arranged along the marked lines around the local broken rock body, a pull-connection steel plate with grouting holes is manufactured in advance and installed on the anchor rod, the pull-connection steel plate is in contact with the rock surface of the multistage rock slope, after the tightness between the pull-connection steel plate and the rock surface is detected and meets the requirement, cement slurry is injected through the grouting holes, and the broken rock body is reinforced through cement slurry;
step 6), installing a substrate container: manufacturing a matrix container and a connected container reinforcing steel bar net rack in advance according to the design size requirement, integrally hanging the connected container reinforcing steel bar net rack on a multi-grade rock slope, adjusting the position of the connected container reinforcing steel bar net rack to enable container limiting rings on the connected container reinforcing steel bar net rack to be aligned to container holes one by one, inserting the matrix container into the container holes, and sleeving the container limiting rings on the matrix container and limiting the matrix container;
step 7), filling a nutrient soil matrix into the matrix container: preparing a nutrient soil matrix in advance, and quickly filling the prepared nutrient soil matrix in a matrix container through a nutrient soil matrix quick filling device.
Step 8), embedding container seedlings: and (3) cultivating container seedlings, transplanting the cultivated container seedlings into a substrate container, covering the roots of the container seedlings with a nutrient soil substrate, and providing nutrition for the container seedlings.
Preferably, in step 7), the nutrient soil matrix is prepared by the following formula:
preferably, in the step 7), the rapid nutrient soil matrix filling device comprises a push-pull rod, a fixed hollow pipe, a matrix filling cylinder, a piston, a fixed handle and a push-pull handle, wherein the push-pull rod is arranged in the fixed hollow pipe, and the end part of the push-pull rod is provided with the push-pull handle; one end of the fixed hollow pipe is connected with the fixed handle, and the other end of the fixed hollow pipe is connected with the matrix filling cylinder; the push-pull rod penetrates through the fixed hollow pipe, a piston is arranged in the matrix filling cylinder, the end part of the push-pull rod is connected with the piston, and the push-pull rod pushes and pulls the piston to slide in the matrix filling cylinder; when the nutrient soil matrix is filled through the rapid nutrient soil matrix filling device, the piston is pushed to the bottom of the matrix filling cylinder, the nutrient soil matrix is filled into the matrix filling cylinder, then the matrix filling cylinder is aligned to the matrix container, and finally the piston is pushed outwards to fill the nutrient soil matrix in the matrix filling cylinder into the matrix container.
Preferably, in the step 3), the cross section of the vertical secondary steel frame is I-shaped, a sliding groove matched with the cross section of the vertical secondary steel frame is formed in the vertical primary steel frame, and the vertical secondary steel frame is connected in the sliding groove of the vertical primary steel frame; the knob is arranged on the vertical primary steel frame and is in threaded connection with the vertical primary steel frame; the knob is used for locking or loosening the vertical secondary steel frame.
Preferably, in the step 4), when the container holes are drilled, the vertical distance between the container holes is 2-4m, the horizontal distance is 0.5m, the diameter of the container hole is 100mm, and the drilling angle is perpendicular to the rock surface of the multi-stage rock slope.
Preferably, in the step 6), the container limiting ring is fixed on the conjoined container steel bar net rack through the connecting bars which are staggered transversely and longitudinally.
Preferably, in step 8), in the process of cultivating the container seedlings, the germination rate test of the flower seedlings and the seeds is carried out in advance in a laboratory, and the seeds with the germination rate of more than 90% are sown and cultivated to be the container seedlings.
Preferably, after the step 8) is finished and the container seedlings are planted, watering, fertilizing, reseeding and pest control are carried out on the container seedlings regularly.
The invention has the following characteristics and beneficial effects:
(1) The invention develops a movable steel truss construction platform, a steel truss is erected on a side slope, a drilling machine can horizontally and vertically slide along the truss through a sliding block to quickly drill, the drilling efficiency of container holes on the rock side slope is improved, and the construction period is short.
(2) The invention adopts the mode of anchor rod pulling-connecting steel plate sealing grouting reinforcement aiming at local broken rock mass, improves the strength of the broken rock mass and ensures that the broken rock mass can be normally drilled with a container hole.
(3) The invention develops a rapid filling device for nutrient soil matrix, the device can rapidly block the matrix nutrient soil from the container hole, the workload is small, the nutrient soil loss is small, and the seedling culture and the maintenance in the later period are convenient and rapid.
(4) According to the invention, the cultivated container seedlings are placed in the container holes, so that the problems of low survival rate of the planted seeds, long period of later growth and greening period and poor greening effect in the traditional mode are solved.
Drawings
FIG. 1 is a schematic view of a multi-stage rock slope mobile steel truss construction platform drilling hole of the invention;
FIG. 2 is a structural diagram of a mobile steel truss construction platform according to the present invention;
FIG. 3 is a front structural view of the mobile steel truss construction platform of the invention;
FIG. 4 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a view of the anchor drilling machine of the present invention in connection with a slider;
FIG. 6 is a schematic view of multiple rows of container holes in a rock slope according to the present invention;
FIG. 7 is a view of the multistage rock mass slope of the present invention partially broken rock mass;
FIG. 8 is a drawing of the closed grouting reinforcement of the steel plate of the multistage locally broken rock slope anchor rod of the invention;
FIG. 9 is a detailed view of the sealing grouting reinforcement of the partially fractured rock bolt tension steel plate of the present invention;
FIG. 10 is a schematic view of the multi-stage rocky slope drilling embedding matrix container seedling greening in accordance with the present invention;
FIG. 11 is a front view (left view in FIG. 10) of the connected container steel bar net rack fixed matrix container of the present invention;
FIG. 12 is a structural view of a rapid nutrient soil matrix filling device according to the present invention;
FIG. 13 is a flow chart of the construction process of the present invention.
Wherein: 1-multi-stage rock slope; 2-a leg; 3-bottom platform steel plate; 4-universal wheels; 5-steel hinge; 6-vertical first-stage steel frames; 7-raking; 8-vertical secondary steel frames; 9-a sliding block; 10-a drill fixing cylinder; 11-a drill rod; 12-a drilling machine; 13-a knob; 14-horizontal sliding steel frame; 15-base steel plate; 16-a high-strength spring; 17-a flexible flap; 18-bolt; 19-a container well; 20-breaking the rock mass; 21-anchor rod; 22-pulling and connecting steel plates; 23-grouting holes; 24-cement slurry; 25-a backing plate; 26-a nut; 27-a substrate container; 28-nutrient soil matrix; 29-connected container steel bar net rack; 30-container seedlings; 31-connecting ribs; 32-a container stop collar; 33-a push-pull rod; 34-fixing a hollow pipe; 35-a matrix filling cylinder; 36-a piston; 37-fixed handle; 38-push-pull handle.
Detailed Description
The method comprises the following steps of slope building, anchor rod drilling, anchor rod grouting, steel bar binding, concrete pouring construction quality, steel frame telescopic structure principle, sliding block sliding principle, nutrient soil matrix rapid filling device structure principle, steel welding technical requirement, nutrient soil mixing proportion formula, plant seed selection requirement and the like.
As shown in fig. 1, the schematic drilling view of the mobile steel truss construction platform for the multistage rock slopes mainly comprises the multistage rock slopes 1 and container holes 19, wherein the container holes 19 are drilled in the multistage rock slopes 1 by the mobile steel truss construction platform, and the mobile steel truss construction platform can transversely move along the multistage rock slopes 1.
Fig. 2-3 are diagrams showing a structure of a movable steel truss construction platform, wherein the movable steel truss construction platform comprises support legs 2, a bottom platform steel plate 3, universal wheels 4, steel hinges 5, a vertical one-level steel frame 6, rakes 7, a vertical two-level steel frame 8, sliding blocks 9, a drilling machine fixing cylinder 10, a drilling rod 11, a drilling machine 12, a knob 13 and a horizontal sliding steel frame 14, a plurality of universal wheels 4 and the support legs 2 are arranged at the bottom of the bottom platform steel plate 3, and the movable steel truss construction platform is integrally supported through the support legs 2 after sliding to a construction position and plays a role in supporting and positioning the movable steel truss construction platform. In the invention, the support legs 2 adopt hydraulic support legs and can be lifted. The vertical first-stage steel frame 6 is hinged with the bottom platform steel plate 3 through a steel hinge 5. The vertical secondary steel frame 8 is connected with the vertical primary steel frame 6 in a sliding manner; the cross section of the vertical secondary steel frame 8 is I-shaped, a sliding groove matched with the cross section of the vertical secondary steel frame 8 is formed in the vertical primary steel frame 6, and the vertical secondary steel frame 8 is connected in the sliding groove of the vertical primary steel frame 6. The knob 13 is arranged on the vertical primary steel frame 6 and is in threaded connection with the vertical primary steel frame 6; the knob 13 is used for locking or loosening the vertical second-stage steel frame 8, and the knob 13 on the vertical first-stage steel frame 6 of the vertical second-stage steel frame 8 accessible is adjusted and is stretched out and drawn back. The vertical first-stage steel frame 6 and the vertical second-stage steel frame 8 are both provided with rakes 7, and the rakes 7 are of multi-tooth rake structures and can be bitten on the multi-stage rock slope 1. Horizontal sliding steel frames 14 are arranged on the vertical primary steel frame 6 and the vertical secondary steel frame 8, and sliding blocks 9 are arranged at two ends and in the middle of each horizontal sliding steel frame 14; the sliding blocks 9 located at the two ends are fixedly connected with the horizontal sliding steel frames 14 and are connected to the vertical first-stage steel frame 6 or the vertical second-stage steel frame 8 in a sliding mode, the horizontal sliding steel frames 14 can slide up and down along the vertical first-stage steel frame 6 or the vertical second-stage steel frame 8 through the sliding blocks 9, and the sliding blocks 9 located in the middle are connected with the horizontal sliding steel frames 14 in a sliding mode and can slide horizontally along the horizontal sliding steel frames 14.
As shown in fig. 4-6, the structure for connecting the jumbolter and the sliding block comprises a fixed cylinder 10 of the jumbolter, a drill rod 11, a drill 12, a base steel plate 15, a high-strength spring 16, an elastic movable plate 17, a bolt 18 and a container hole 19, wherein the base steel plate 15 is fixed on the sliding block 9 positioned in the middle of a horizontal sliding steel frame 14 through the bolt 18, the fixed cylinder 10 of the jumbolter is arranged on the base steel plate 15, and the base steel plate 15 and the fixed cylinder 10 of the jumbolter are welded together. The sliding block 9 positioned in the middle of the horizontal sliding steel frame 14 fixes the drilling machine 12 through the base steel plate 15 and the drilling machine fixing cylinder 10. The high-strength spring 16 and the elastic movable plate 17 are arranged in the drilling machine fixing cylinder 10, one end of the high-strength spring 16 is connected with the bottom of the drilling machine fixing cylinder 10, and the other end of the high-strength spring 16 is connected with the elastic movable plate 17. The bottom of the drilling machine 12 is supported on the elastic movable plate 17, and the drilling machine 12 can stretch and retract along the drilling machine fixing cylinder 10; during the drilling process of the multi-stage rock slope 1 by the drill rod 11 on the drilling machine 12, the drilling top thrust is applied to the bottom of the drilling machine 12 through the high-strength spring 16, and a container hole 19 is formed after drilling. In the invention, the drill rod 11 is a drill rod with a large caliber, and the diameter of the drill rod is 100mm.
The closed grouting reinforcement diagram of the anchor rod pulling and connecting steel plate of the multistage rocky slope local broken rock body comprises a multistage rocky slope 1, broken rock bodies 20, anchor rods 21, pulling and connecting steel plates 22, grouting holes 23, cement paste 24, a base plate 25 and nuts 26, wherein the broken rock bodies 20 are weak broken rock bodies, a plurality of anchor rods 21 are arranged around the broken rock bodies 20 in a drilling mode, the pulling and connecting steel plates 22 are fixed through the anchor rods 21, and the pulling and connecting steel plates 22 cover the broken rock bodies 20. The tie-in steel plate 22 is provided with a plurality of bolt holes and grouting holes 23, the bolt holes correspond to the anchor rods 21, and the ends of the anchor rods 21 penetrate through the bolt holes in the tie-in steel plate 22 and are fastened by nuts 26. The two ends of the tie-in steel plate 22 are supported on the base plate 25 of the anchor rod 21, the tie-in steel plate 22 covers the fractured rock mass 20 and seals the fractured rock mass 20 in all directions, and cement slurry 24 is poured into the fractured rock mass 20 through the grouting holes 23 and reinforces the same.
As shown in fig. 10-11, the schematic diagram of seedling greening with matrix containers embedded in the multi-level rock slope drill holes comprises a multi-level rock slope 1, matrix containers 27, nutrient soil matrixes 28, an integrated container reinforcing steel bar net rack 29, greening plants 30, connecting ribs 31 and container limiting rings 32, wherein the matrix containers 27 are placed in container holes 19 on the multi-level rock slope 1, the matrix containers 27 are of a cylindrical structure, the calibers of the matrix containers are matched with the container holes 19, and the matrix containers 27 are integrally fixed and connected through the integrated container reinforcing steel bar net rack 29; the conjoined container steel bar net rack 29 is fixed with a container limiting ring 32 through a connecting bar 31 which is staggered horizontally and longitudinally, the container limiting ring 32 is sleeved on the matrix container 27, and the matrix container 27 is limited through the container limiting ring 32. After the nutrient soil matrix 28 is filled into the matrix container 27, the container seedlings 30 which are cultivated in advance are transplanted into the matrix container 27, and therefore the slope is rapidly recovered to green.
As shown in fig. 12, the structure of the fast filling device for nutrient soil matrix comprises a push-pull rod 33, a fixed hollow pipe 34, a matrix filling cylinder 35, a piston 36, a fixed handle 37, a push-pull handle 38 and the like, wherein the push-pull rod 33 is arranged in the fixed hollow pipe 34, and the push-pull handle 38 is arranged at the end part of the push-pull rod 33; one end of the fixed hollow pipe 34 is connected with the fixed handle 37, the other end is connected with the matrix filling cylinder 35, and the fixed hollow pipe 34, the fixed handle 37 and the matrix filling cylinder 35 are welded into a whole. The push-pull rod 33 penetrates through the fixed hollow pipe 34, the push-pull handle 38 can drive the push-pull rod 33 to freely slide in the fixed hollow pipe 34 in a telescopic mode, the piston 36 is arranged in the matrix filling cylinder 35, the end portion of the push-pull rod 33 is connected with the piston 36, the piston 36 can be pushed and pulled through the push-pull rod 33 to slide in the matrix filling cylinder 35, and the nutrient soil matrix 28 filled in the matrix filling cylinder 35 is injected into the matrix container 27 under the extrusion of the piston 36.
The invention also provides a construction method of the drilling embedded matrix container seedling greening system, which comprises the following steps:
(1) Slope surface cleaning: according to the scheme, technical and safe construction and bottom crossing are carried out, slope cleaning construction is carried out on the whole section of the multistage rock slope 1 from top to bottom in a mode of manual lifting ropes, dangerous rocks hanging on the slope surface, loose rock blocks of obvious protruding parts and pumice are completely cleaned, and the slope surface is guaranteed to be flat.
(2) Measuring and paying off: according to a design drawing and site location marks, container holes 19 are designed and distributed accurately, a local broken rock body 20 is marked, lofting is carried out on each partition according to a general layout provided by a design scheme, and the drilling positions of the lofting container holes 19 are positioned by taking a control network after retesting as a basis.
(3) Hoisting a movable steel truss construction platform: the construction method comprises the following steps of manufacturing a movable steel truss construction platform in a factory in advance, hoisting the movable steel truss construction platform to a multi-grade rock slope 1 by a crane after the movable steel truss construction platform is transported to a construction site, opening support legs 2 after the movable steel truss construction platform is moved to a target position, and lifting the movable steel truss construction platform to fix the movable steel truss construction platform; stretch out vertical second grade steelframe 8 from vertical one-level steelframe 6, after adjusting vertical second grade steelframe 8's the length that stretches out, lock vertical second grade steelframe 8 through knob 13, expand vertical one-level steelframe 6, rake 7 on the vertical second grade steelframe 8, rotate through steel hinge 5 and make vertical one-level steelframe 6, vertical second grade steelframe 8 set up on multistage rock matter side slope 1, rake 7 bites multistage rock matter side slope 1, and slide horizontal slip steelframe 14 to suitable position.
(4) Drilling a container hole: a base steel plate 15 is installed on a sliding block 9 of a horizontal sliding steel frame 14, a high-strength spring 16 is installed in a drilling machine fixing cylinder 10, the bottom of a drilling machine 12 is fixed with an elastic movable plate 17 and then inserted into the drilling machine fixing cylinder 10, the high-strength spring 16 is propped against the elastic movable plate 17, and the front end of a drill rod 11 on the drilling machine 12 is propped against the rock surface of the multistage rock slope 1 through the high-strength spring 16; after the mobile steel truss construction platform is set up firmly and stably, a drilling machine 12 is started, container holes 19 are drilled on the multistage rock slope 1 by a drill rod 11 according to lofting mark lines, the vertical direction interval of the container holes 19 is 2-4m, the horizontal interval is 0.5m, the diameter of each container hole 19 is 100mm, and the drilling angle is perpendicular to the rock surface of the multistage rock slope 1; after drilling one container hole 19, the drilling machine 12 is moved to the next drilling position and the next container hole 19 is drilled through the horizontal movement of the sliding block 9 on the horizontal sliding steel frame 14, after the drilling of one row of container holes 19 in the horizontal direction is completed, the next row of container holes 19 is drilled through the vertical sliding of the horizontal sliding steel frame 14 along the vertical first-stage steel frame 6 or the vertical second-stage steel frame 8, and the drilling of the container holes 19 is completed.
(5) Grouting and reinforcing local broken rock mass: in the process of drilling the container hole 19, a grouting anchor rod 21 is arranged on a local broken rock body 20 along the peripheral marked lines of the local broken rock body, a pull-connection steel plate 22 with a grouting hole 23 is manufactured in advance and installed on the anchor rod 21, the pull-connection steel plate 22 is in contact with the rock surface of the multistage rock slope 1, after the sealing performance between the pull-connection steel plate 22 and the rock surface is detected and meets the requirements, cement slurry 24 is poured through the grouting hole 23, and the broken rock body 20 is reinforced through the cement slurry 24.
(6) Installing a substrate container: manufacturing a matrix container 27 and a connected container reinforcing steel bar net rack 29 in a factory according to design size requirements in advance, wherein the matrix container 27 is of a cylindrical structure with the caliber matched with the container hole 19; the unit type conjoined container reinforcing steel bar net rack 29 is integrally hung on the multi-grade rock slope 1, the position of the conjoined container reinforcing steel bar net rack 29 is adjusted, container limiting rings 32 on the conjoined container reinforcing steel bar net rack 29 are aligned to container holes 19 one by one, a matrix container 27 is inserted into the container holes 19, and the container limiting rings 32 are sleeved on the matrix container 27 and limit the matrix container 27.
(7) Filling nutrient soil matrix into the matrix container, wherein the method comprises the following steps:
1) Preparing a nutrient soil matrix 28 in advance, wherein the component proportion is as follows:
dosage scale for proportioning components of nutrient soil matrix
2) Prefabricating a nutrient soil matrix rapid filling device in a factory in advance;
3) The prepared nutrient soil matrix 28 is quickly filled in the matrix container 27 through the nutrient soil matrix quick filling device. When the nutrient soil matrix 28 is filled through the rapid nutrient soil matrix filling device, the piston 36 is pushed to the bottom of the matrix filling cylinder 35, the nutrient soil matrix 28 is filled into the matrix filling cylinder 35, then the matrix filling cylinder 35 is aligned with the matrix container 27, and finally the piston is pushed outwards to fill the nutrient soil matrix 28 in the matrix filling cylinder 35 into the matrix container 27.
(8) Embedding container seedlings:
1) The method comprises the following steps of (1) carrying out a flower seedling seed germination rate test in a test room in advance, sowing and raising seedlings by adopting seeds with the germination rate of more than 90 percent and using the seeds as container seedlings 30, and spraying a small amount of water for maintenance after seedling emergence;
2) The cultivated container seedlings 30 are transplanted into the substrate container 27, and the roots of the container seedlings 30 are covered and nourished by the nutrient soil substrate 28.
(9) Maintenance management: after the container seedlings 30 are transplanted in the substrate container 27, maintenance such as watering, fertilizing, reseeding, pest control and the like is performed regularly.
Claims (8)
1. The construction method of the seedling greening system by drilling the embedded matrix container (27) is characterized by comprising the following specific steps:
step 1), slope cleaning: a construction scheme is compiled, technical and safe construction is carried out according to the scheme to carry out bottom crossing, and hanging dangerous rocks, obviously protruding loose rock blocks and pumice on the slope surface are all thoroughly cleaned, so that the flatness of the slope surface is ensured;
step 2), measurement and paying-off: designing and distributing container holes (19) according to a design drawing and site measurement point location marks, marking a local broken rock body (20), and determining the drilling positions of the container holes (19) according to a design scheme;
step 3), hoisting the movable steel truss construction platform: the method comprises the steps of manufacturing a movable steel truss construction platform in advance, wherein the movable steel truss construction platform comprises a bottom platform steel plate (3), a vertical primary steel frame (6), a rake (7), a vertical secondary steel frame (8), a sliding block (9), a knob (13) and a horizontal sliding steel frame (14), a plurality of universal wheels (4) and supporting legs (2) are arranged at the bottom of the bottom platform steel plate (3), and the vertical primary steel frame (6) is hinged with the bottom platform steel plate (3) through a steel hinge (5); the vertical secondary steel frame (8) is in sliding connection with the vertical primary steel frame (6), and the vertical secondary steel frame (8) can be adjusted to stretch out and draw back through a knob (13) on the vertical primary steel frame (6); the vertical primary steel frame (6) and the vertical secondary steel frame (8) are both provided with rakes (7); horizontal sliding steel frames (14) are arranged on the vertical primary steel frame (6) and the vertical secondary steel frame (8), and sliding blocks (9) are arranged at two ends and in the middle of each horizontal sliding steel frame (14); the sliding blocks (9) positioned at the two ends are fixedly connected with the horizontal sliding steel frame (14) and are connected to the vertical first-stage steel frame (6) or the vertical second-stage steel frame (8) in a sliding manner, and the sliding block (9) positioned at the middle part is connected with the horizontal sliding steel frame (14) in a sliding manner and can horizontally slide along the horizontal sliding steel frame (14); the movable steel truss construction platform is hung on a multi-grade rock slope (1) and is fixed through support legs (2) after being moved to a target position; after the extension length of the vertical secondary steel frame (8) is adjusted, the vertical secondary steel frame (8) is locked through a knob (13), rakes (7) on the vertical primary steel frame (6) and the vertical secondary steel frame (8) are unfolded, the vertical primary steel frame (6) and the vertical secondary steel frame (8) are erected on the multistage rock slope (1) through rotation of a steel hinge (5), and the rakes (7) bite the multistage rock slope (1);
step 4), drilling a container hole (19): a base steel plate (15) is installed on a sliding block (9) of a horizontal sliding steel frame (14), a high-strength spring (16) is installed in a fixed cylinder (10) of a drilling machine (12), the bottom of the drilling machine (12) is fixed with an elastic movable plate (17) and then inserted into the fixed cylinder (10) of the drilling machine (12), the high-strength spring (16) is propped against the elastic movable plate (17), and the front end of a drill rod (11) on the drilling machine (12) is propped against the rock surface of a multi-stage rock slope (1) through the high-strength spring (16); starting a drilling machine (12), drilling container holes (19) on a drill rod (11) on a multistage rock slope (1) according to lofting mark lines, after one container hole (19) is drilled, enabling the drilling machine (12) to move to the next drilling position and drill the next container hole (19) through horizontal movement of a sliding block (9) on a horizontal sliding steel frame (14), after drilling of one row of container holes (19) in the horizontal direction is completed, drilling the next row of container holes (19) by sliding the horizontal sliding steel frame (14) in the vertical direction along a vertical first-stage steel frame (6) or a vertical second-stage steel frame (8) until drilling of all container holes (19) is completed;
step 5), grouting and reinforcing the local fractured rock mass (20): aiming at a local broken rock body (20), a grouting anchor rod (21) is arranged along the peripheral marked lines of the local broken rock body, a pull-connection steel plate (22) with a grouting hole (23) is manufactured in advance and installed on the anchor rod (21), the pull-connection steel plate (22) is in contact with the rock surface of the multi-stage rock slope (1), after the sealing performance between the pull-connection steel plate (22) and the rock surface is detected and meets the requirement, cement slurry (24) is injected through the grouting hole (23), and the broken rock body (20) is reinforced through the cement slurry (24);
step 6), installing a substrate container (27): manufacturing a matrix container (27) and a connected container reinforcing steel bar net rack (29) according to the design size requirement in advance, integrally hanging the connected container reinforcing steel bar net rack (29) on a multi-grade rock slope (1), adjusting the position of the connected container reinforcing steel bar net rack (29), aligning container limiting rings (32) on the connected container reinforcing steel bar net rack (29) with container holes (19) one by one, inserting the matrix container (27) into the container holes (19), and sleeving the container limiting rings (32) on the matrix container (27) and limiting the matrix container (27);
step 7), filling a nutrient soil matrix (28) into the matrix container (27): preparing a nutrient soil matrix (28) in advance, and quickly filling the prepared nutrient soil matrix (28) in a matrix container (27) through a quick filling device of the nutrient soil matrix (28).
Step 8), embedding container seedlings (30): cultivating container seedlings (30), transplanting the cultivated container seedlings (30) into a substrate container (27), covering the roots of the container seedlings (30) with a nutrient soil substrate (28) and providing nutrition for the container seedlings.
2. The method for constructing a seedling greening system by embedding drilling holes into matrix containers (27) according to claim 1, wherein in the step 7), the formulation of the nutrient soil matrix (28) is as follows:
3. the seedling greening system construction method of the drilling embedded matrix container (27) according to claim 1, wherein in the step 7), the rapid nutrient soil matrix (28) filling device comprises a push-pull rod (33), a fixed hollow pipe (34), a matrix filling cylinder (35), a piston (36), a fixed handle (37) and a push-pull handle (38), the push-pull rod (33) is arranged in the fixed hollow pipe (34), and the push-pull handle (38) is arranged at the end part of the push-pull rod (33); one end of the fixed hollow pipe (34) is connected with a fixed handle (37), and the other end is connected with a matrix filling cylinder (35); the push-pull rod (33) penetrates through the fixed hollow pipe (34), a piston (36) is arranged in the matrix filling cylinder (35), the end part of the push-pull rod (33) is connected with the piston (36), and the piston (36) is pushed and pulled through the push-pull rod (33) to slide in the matrix filling cylinder (35); when the nutrient soil matrix (28) is filled through the rapid filling device for the nutrient soil matrix (28), the piston (36) is pushed to the bottom of the matrix filling cylinder (35), the nutrient soil matrix (28) is filled into the matrix filling cylinder (35), then the matrix filling cylinder (35) is aligned to the matrix container (27), and finally the piston (36) is pushed outwards to fill the nutrient soil matrix (28) in the matrix filling cylinder (35) into the matrix container (27).
4. The construction method of the seedling greening system with the drilled and embedded substrate container (27) according to claim 1, wherein in the step 3), the cross section of the vertical secondary steel frame (8) is in an I shape, a sliding groove matched with the cross section of the vertical secondary steel frame (8) is formed in the vertical primary steel frame (6), and the vertical secondary steel frame (8) is connected in the sliding groove of the vertical primary steel frame (6); the knob (13) is arranged on the vertical primary steel frame (6) and is in threaded connection with the vertical primary steel frame (6); the knob (13) is used for locking or loosening the vertical secondary steel frame (8).
5. The method for constructing a seedling greening system by embedding drilling holes into matrix containers (27) according to claim 1, wherein in the step 4), when the container holes (19) are drilled, the vertical intervals of the container holes (19) are 2-4m, the horizontal intervals are 0.5m, the diameters of the container holes (19) are 100mm, and the drilling angles are vertical to the rock surface of the multistage rocky slope (1).
6. The method for constructing a seedling greening system by drilling holes and embedding matrix containers (27) according to claim 1, wherein in the step 6), container limiting rings (32) are fixed on a connected container steel bar net rack (29) through connecting ribs (31) which are staggered transversely and longitudinally.
7. The method for constructing a seedling greening system by embedding a substrate container (27) into a drilled hole according to claim 1, wherein in the step 8), in the process of cultivating the container seedling (30), a test for the germination rate of flower seedling seeds is carried out in advance in a laboratory, and seeds with the germination rate of 90% or more are used for sowing and raising seedlings to serve as the container seedling (30).
8. The construction method of the seedling greening system by embedding the drilled holes into the matrix containers (27) according to claim 1, wherein after the step 8) is finished and the container seedlings (30) are planted, watering, fertilizing, reseeding and pest control are periodically carried out on the container seedlings (30).
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| CN202211572925.4A CN115772904A (en) | 2022-12-08 | 2022-12-08 | Construction method of drilling embedded matrix container seedling greening system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117231133A (en) * | 2023-11-16 | 2023-12-15 | 中铁一局集团有限公司 | Side slope movable drilling platform |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117231133A (en) * | 2023-11-16 | 2023-12-15 | 中铁一局集团有限公司 | Side slope movable drilling platform |
| CN117231133B (en) * | 2023-11-16 | 2024-03-22 | 中铁一局集团有限公司 | Side slope movable drilling platform |
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