CN113417298B - Construction method for greening road excavation slope by stacking plant growth bags - Google Patents

Abstract

The application relates to the technical field of slope greening, and discloses a construction method for road excavation and slope stacking vegetation bag greening, which mainly comprises the following steps: step S1: construction preparation: leveling a side slope to be constructed, removing floating soil on the surface of the side slope to form a working plane, and performing measurement lofting on the working plane; step S2: and (3) installing a sash beam frame: installing a frame lattice beam frame on the side slope; and step S3: and (3) partial pouring: pouring the horizontal part of the frame of the lattice girder; and step S4: stacking plant growing bags: stacking the plant growing bags in the space of the sash Liang Weihu and connecting the plant growing bags with the vertical part of the sash beam frame; step S5: and (4) partial pouring: pouring the vertical part of the frame of the lattice girder; step S6: and (5) maintenance: and (4) spraying water to the vegetation bags at irregular intervals according to the climatic environment. This application has the effect that improves the stability of being connected between vegetation bag and the side slope.

Description

Construction method for greening road excavation slope by stacking plant growth bags

Technical Field

The application relates to the field of slope greening, in particular to a construction method for road excavation and slope stacking plant growth bag greening.

Background

Along with the needs of population growth and economic development, china carries out a large amount of investment and implementation on the infrastructure of roads, roadbeds and the like, damages to the original ecological environment are inevitable in the construction process, especially on rock slopes with poor soil quality conditions of excavation road sections, due to the lack of the foundation for plant growth, engineering protection measures such as grouted rubble slope protection or net hanging anchor spraying are often adopted, damaged vegetation cannot be recovered, and the ecological environment and landscape effects of roads are also influenced. Therefore, how to ensure the stability of the side slope of the excavation side slope poor soil road section, the soil-filled stone or weathered stone road section and realize the long-term greening becomes a new focus of road environment protection and road construction.

At present, a Chinese utility model patent with the publication number of CN210421128U discloses an ecological slope protection based on plant growing bags, which sequentially comprises a first slope section, a first connecting section and a second slope section from the bottom to the top of a slope; the first slope section is provided with a first rammed earth layer and a first plant growth bag layer from the ground to the outside in sequence; the first connecting section is provided with a second plain soil compaction layer and a mortar stone layer from the ground to the outside in sequence; the second slope section is provided with a first raw soil compaction layer and a second plant-growing bag layer from the ground to the outside in sequence; the density of the first rammed plain soil layer is greater than 93%, and the density of the first rammed plain soil layer is greater than 80%.

In view of the above-mentioned related art, the inventor believes that the ecological slope protection formed by stacking the plant growth bags has a defect that the connection stability between the side slope and the plant growth bags is poor.

SUMMERY OF THE UTILITY MODEL

In order to alleviate the problem that stability of being connected between vegetation bag and the side slope is relatively poor, the application provides a road excavation side slope pile-up vegetation bag greening's construction method.

The application provides a road excavation side slope piling plant biological bag greening construction method, adopts following technical scheme:

a construction method for greening a road excavation side slope by stacking plant growth bags mainly comprises the following steps: step S1: construction preparation: leveling a side slope to be constructed, removing floating soil on the surface of the side slope to form a working plane, and performing measurement lofting on the working plane; step S2: and (3) installing a sash beam frame: installing a frame lattice beam frame on the side slope; and step S3: and (3) partial pouring: pouring the horizontal part of the frame of the lattice girder; and step S4: stacking the plant growing bags: stacking the plant growing bags in the space of the sash Liang Weihu and connecting the plant growing bags with the vertical part of the sash beam frame; step S5: and (4) partial pouring: pouring the vertical part of the frame of the lattice beam; step S6: and (5) maintenance: and (4) spraying water to the vegetation bags at irregular intervals according to the climatic environment.

By adopting the technical scheme, after the sash beam frame is installed, concrete is poured on the sash beam frame at the horizontal part, so that the bearing capacity of the sash beam frame is improved; after concrete poured into the horizontal part of the frame of the lattice girder is cured to the designed strength, stacking plant biological bags in the space enclosed by the frame of the lattice girder, and connecting the plant biological bags at the edge with the vertical part of the frame of the lattice girder; after the plant biological bags are connected with the lattice beam frame, concrete is poured into the vertical part of the lattice beam frame, and the plant biological bags are fixedly connected with the lattice beam in the forming process of the vertical part of the lattice beam, so that the stability of connection between the plant biological bags and the side slope is improved.

Optionally, step S2 mainly includes the following steps: step S21: drilling: according to the pre-anchoring point drawn by measurement, drilling the working plane by using a pneumatic drilling machine, and drilling an anchor hole with the designed length below the working plane, wherein the anchor hole is vertical to the working plane; step S22: hole cleaning: cleaning the hole by using high-pressure air; step S23: and (3) installing a positioning anchor rod: inserting the positioning anchor rod into the anchor hole, and pouring cement slurry into the anchor hole from the bottom of the anchor hole; step S24: digging a groove: excavating a groove for embedding the lattice beam according to the data of measurement lofting mapping; step S25: binding steel bars: binding the steel bars to form a steel bar cage, placing the bound steel bar cage into the groove, wherein the steel bar cage is partially positioned above the working plane, and fixedly connecting the steel bar cage placed into the groove with the anchor rod; step S6: and (3) mounting a guard plate: guard plates are arranged on two sides of the length direction of the reinforcement cage and are positioned above the grooves.

Through adopting above-mentioned technical scheme, bury the steel reinforcement cage part underground the ditch inslot, improve the compact type of being connected between sash roof beam and the side slope after pouring the shaping, improve the effect that increases side slope stability.

Optionally, the plant biological bag in step S4 includes a bag surface and a bag body, the bag body is fixedly connected to one side of the bag surface, and one side of the bag surface away from the bag body is provided with a connecting assembly for connecting with an adjacent plant biological bag.

Through adopting above-mentioned technical scheme, set up coupling assembling on the bag face of plant biological bag, utilize coupling assembling to link together adjacent plant biological bag, improve the inseparable type of being connected between the plant biological bag in same sash, plant biological bag in the same sash connects into a whole through coupling assembling to improve the stability that plant biological bag and side slope are connected.

Optionally, coupling assembling includes two hair side magic subsides and two hook face magic subsides, the bag face is rectangle, four the magic subsides are located the both ends that are close to bag face length direction respectively and are close to the position at bag face width direction both ends, one of them hair side magic subsides fixed connection is in the position that is close to bag face length direction one end, another hair side magic subsides fixed connection is in the position that is close to bag face width direction one end.

Through adopting above-mentioned technical scheme, utilize the magic subsides to connect the bag face of adjacent plant biological bag, convenient operation, stability is stronger, and the staff of being convenient for operates, improves the convenience that the staff carries out the connection to plant biological bag.

Optionally, step S4 mainly includes the following steps: step S41: stacking: stacking plant biological bags into the sash, wherein the plant biological bags are stacked layer by layer from one end of the sash close to the bottom of the side slope to one end close to the top of the side slope; step S42: connecting: inserting the bag surface of the plant biological bag close to the vertical part of the sash beam frame into a gap between the reinforcement cage and the groove, and connecting the bag surfaces of the adjacent plant biological bags through a connecting assembly; step S43: filling gaps: inserting the connected parts of the bag surfaces of two adjacent plant biological bags into the gap between the two adjacent plant biological bags; after the bag surface is stuffed into the gap between two plant biological bags, filling soil into the gap between two adjacent plant biological bags, and tamping the filled soil to make the soil in the gap level with the upper surface of the plant biological bags.

By adopting the technical scheme, the plant biological bags are piled layer by layer, so that the stability of the plant biological bags in the piling process is improved; the bag surfaces of the adjacent plant biological bags are connected by the connecting assembly, so that the integrity between the plant biological bags is improved, and the connection tightness between the plant biological bags and the side slope is further improved.

Optionally, the bag surface is made of a polypropylene composite material, and the bag body is made of plant fibers.

By adopting the technical scheme, the bag surface is made of the polypropylene composite material, and has the advantages of ultraviolet resistance, corrosion resistance, no degradation and the like; the bag body is made of plant fibers, and along with the growth of plants in the plant growing bag, the bag body is decomposed into fertilizer to provide nutrients for the plants, and meanwhile, the possibility that the bag body influences the plants to root into a side slope is reduced; after the bag body is rotten, a plurality of bag faces connected together cover the slope top, improve the stability of the interior soil layer of former plant biological bag.

Optionally, a plurality of water passing pipes are arranged in the horizontal part of the frame lattice beam frame, the water passing pipes are arranged at equal intervals along the length direction of the horizontal part of the frame lattice beam frame, the water passing pipes are fixedly connected with the guard plate, and the length direction of the water passing pipes is parallel to the vertical part of the frame lattice beam frame.

Through adopting above-mentioned technical scheme, set up the water pipe in the horizontal part of sash roof beam frame, utilize the water pipe to communicate two adjacent sashes in with the vertical direction, reduce the possibility of ponding in the sash.

Optionally, step S5 mainly includes the following steps: step S51: protection: non-woven fabrics are laid on one side of the plant growing bag, which is far away from the side slope, so that a rapid seedling germination environment is created; step S52: spraying: the plant biological bags are sprayed from the upper part of the side slope by using a watering cart.

By adopting the technical scheme, the non-woven fabric is covered on one side of the plant growth bag, which is far away from the ground, so that a rapid seedling germination environment is created, and the possibility of loss of backfilled soil under the action of wind power is reduced; the plant growing bags are sprayed by the sprinkler, so that the humidity of the soil in the plant growing bags is kept, and a good external environment is provided for plant growth.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after the sash beam frame is installed, firstly, concrete is poured on the horizontal part of the sash beam frame, after the poured concrete is cured to the designed strength, a plant biological bag is piled and built in a space enclosed by the sash beam frame, the plant biological bag at the edge is connected with the vertical part of the sash beam frame, after the plant biological bag is connected with the sash beam frame, concrete is poured in the vertical part of the sash beam frame, and in the process of forming the vertical part of the sash beam, the plant biological bag is fixedly connected with the sash beam, so that the connection stability between the plant biological bag and a side slope is improved;

2. the connection component is arranged on the bag surface of the plant biological bags, the plant biological bags in the same sash are connected into a whole through the connection component, so that the connection tightness between the plant biological bags in the same sash is improved, and the connection stability between the plant biological bags and the side slope is improved;

3. through set up the water pipe in the horizontal part of sash roof beam frame, utilize the water pipe to communicate two adjacent sashes in with the vertical direction, reduce the possibility of the interior ponding of sash.

Drawings

FIG. 1 is a flowchart illustrating the overall steps of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 3 is a flowchart illustrating the overall steps of step S2 according to the embodiment of the present application;

FIG. 4 is a schematic structural diagram of a trench in an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a plant growth bag in an embodiment of the present application;

FIG. 6 is a flowchart illustrating the overall steps of step S4 according to the embodiment of the present application;

fig. 7 is a flowchart illustrating the overall steps of step S5 according to the embodiment of the present application.

Reference numerals are as follows: 100. side slope; 110. an anchor eye; 120. a trench; 200. a lattice beam frame; 210. a reinforcement cage; 220. a guard plate; 230. a water pipe; 300. planting a biological bag; 310. bagging; 320. a bag body; 330. a connecting assembly; 331. a hair surface magic tape; 332. hook face magic subsides.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a construction method for greening a road excavation side slope by stacking plant biological bags. Referring to fig. 1 and 2, a construction method for stacking plant biological bags for greening road excavation slopes mainly comprises the following steps: step S1: construction preparation: the method comprises the following steps of carrying out leveling operation on a side slope 100 to be constructed, improving the flatness of the surface of the side slope 100, taking the surface of the leveled side slope 100 as a working plane, clearing away floating soil on the working plane, improving the quality of the working plane, carrying out surveying and mapping lofting on the working plane after the working plane is cleared, and preparing for subsequent construction.

Step S2: the frame beam frame 200 is installed: the frame girder frame 200 is installed on the slope 100 according to the case of the survey setting on the work plane.

And step S3: and (3) partial pouring: concrete is poured into the horizontal portion of the sash girder frame 200, and the concrete in the sash girder frame 200 is cured after the concrete is poured, so that the design strength is achieved, thereby improving the bearing capacity of the sash girder frame 200.

And step S4: 300 stacking of the plant growing bags: the plant biological bags 300 are piled and built in the sash surrounded by the sash beam frame 200, and the plant biological bags 300 adjacent to the vertical part of the sash beam frame 200 are connected with the vertical part of the sash beam frame 200.

Step S5: and (3) partial pouring: concrete is poured into the vertical part of the lattice beam frame 200, the concrete in the lattice beam frame 200 is maintained after pouring is finished, the design strength is achieved, the plant growth bag 300 is fixedly connected with the lattice beam in the process of forming the vertical part of the lattice beam, and therefore the stability of connection between the plant growth bag 300 and the side slope 100 is improved.

Step S6: and (5) maintenance: according to the weather condition, the plant growing bag 300 is watered irregularly, the humidity of the soil in the plant growing bag 300 is kept, and a good external environment is provided for plant growth.

Referring to fig. 3 and 4, step S2 mainly includes the steps of:

step S21: drilling: drilling is carried out on the pre-anchoring points which are drawn and laid out by a pneumatic drilling machine, an anchor hole 110 which is in accordance with the designed length is drilled below the working plane, and the anchor hole 110 is vertical to the working plane.

Step S22: hole cleaning: the inside of the anchor hole 110 is cleaned, high-pressure air is blown into the hole through a fan, and sundries such as gravels in the hole are discharged out of the hole by utilizing the high-pressure air.

Step S23: installing a positioning anchor rod: an anchor rod for positioning the frame girder frame 200 is inserted into the anchor hole 110, a grouting pipe is inserted into the bottom of the anchor hole 110, and cement is grouted into the anchor hole 110 from the bottom of the anchor hole 110.

Step S24: digging the groove 120: according to the data of measurement lofting surveying and mapping, digging grooves 120 for embedding frame beams on the side slope 100, wherein the plurality of grooves 120 are integrally arranged in a grid shape, and anchor rods are positioned at the intersection of the two grooves 120;

referring to fig. 2 and 3, step S25: binding steel bars: binding reinforcing steel bars into a reinforcing steel bar cage 210, placing the reinforcing steel bar cage into the groove 120, wherein three fifths of the reinforcing steel bar cage 210 is positioned above the working plane, and embedding the reinforcing steel bar cage 210 into the groove 120 to improve the tightness of connection between the poured and molded sash beam and the side slope 100, so that the effect of improving the stability of the side slope 100 is achieved; the reinforcement cage 210 placed in the groove 120 is fixedly connected with the anchor rod, the reinforcement cage 210 is fixed by the anchor rod, and the stability of connection between the reinforcement cage 210 and the side slope 100 is improved.

Step S26: the guard plate 220 is installed: guard plates 220 are installed on two sides of the reinforcement cage 210 in the length direction, the guard plates 220 are fixedly connected with the reinforcement cage 210, and the guard plates 220 are located above the grooves 120.

Referring to fig. 2, in step S3, a plurality of water pipes 230 are disposed in the horizontal portion of the frame girder 200, the water pipes 230 are disposed in the reinforcement cage 210 in a penetrating manner, the length direction of the water pipes 230 is perpendicular to the length direction of the reinforcement cage 210, and two ends of the water pipes 230 in the length direction are respectively disposed between the two guard plates 220 on two sides of the reinforcement cage 210 in the length direction; by communicating two adjacent frames in the vertical direction through the water passing pipe 230, the possibility of water accumulation in the frames is reduced, and the possibility of influence on plant growth caused by excessive water in soil is reduced.

Referring to fig. 5 and 6, step S4 mainly includes the steps of:

step S41: the bag 300 of growing plant is built to sign indicating number in the sash that the sash roof beam encloses, will plant the bag 300 of growing plant by the sash be close to the one end of slope 100 bottom to be close to the one end layer by layer of slope 100 top and build, through will plant the bag 300 of growing plant and build up layer by layer, improve the stability that the bag 300 of growing plant was built up the step in-process.

The plant biological bag 300 in the step S4 includes a bag surface 310 and a bag body 320, the bag surface 310 is rectangular, the bag body 320 is fixedly connected to one side of the bag surface 310, and the bag body 320 is a hollow cuboid structure; the connecting component 330 is fixedly connected to the side of the bag surface 310 away from the bag body 320.

The connecting assembly 330 comprises two hair side magic tapes 331 and two hook side magic tapes 332, wherein one hair side magic tape 331 and one hook side magic tape 332 are respectively and fixedly connected to the positions close to the two ends of the bag surface 310 in the length direction; the other loop surface magic tape 331 and the other hook surface magic tape 332 are fixedly connected to positions near both ends of the bag surface 310 in the width direction, respectively.

The bag surface 310 is made of polypropylene composite material, and the bag body 320 is made of plant fiber. The bag surface 310 is made of polypropylene composite material, and has the advantages of ultraviolet resistance, corrosion resistance, no degradation and the like; the bag body 320 is made of plant fibers, and along with the growth of plants in the plant growing bag 300, the bag body 320 is decayed to provide nutrients for the plants as fertilizers, and the possibility that the bag body 320 influences the rooting of the plants in the side slope 100 is reduced; after the bag body 320 is rotted, the bag surfaces 310 connected together cover the slope 100, so that the stability of the soil layer in the original plant-growing bag 300 is improved.

Step S42: connecting: the bag surface 310 of the plant-growing bag 300 close to the vertical part of the lattice beam frame 200 is inserted into the gap between the steel reinforcement cage 210 and the groove 120, and the bag surface 310 of the adjacent plant-growing bag 300 is connected through the hair surface magic tape 331 and the hook surface magic tape 332, so that the plant-growing bags 300 in the same lattice are connected into a whole, the integrity of the plant-growing bags 300 in the same lattice is improved, and the compactness of connection between the plant-growing bags 300 and the side slope 100 is further improved.

Step S43: filling gaps: the part of the bag surface 310 of two adjacent plant biological bags 300 connected by the connecting component 330 is plugged into the gap between two adjacent plant biological bags 300; after the bag surface 310 is plugged into the gap between the two plant biological bags 300, soil is filled into the gap between the two adjacent plant biological bags 300, the soil filled into the gap between the two adjacent plant biological bags 300 covers the upper part of the bag surface 310, and the filled soil is tamped, so that the soil in the gap is flush with the upper surfaces of the plant biological bags 300, and the connection stability between the plant biological bags 300 is improved.

Referring to fig. 2 and 7, step S5 mainly includes the steps of:

step S51: protection: the non-woven fabrics are covered above the plant growing bag 300, a proper germination environment is created for the seedlings, the survival rate of the seeds in the plant growing bag 300 is improved, and the possibility of reseeding of workers is reduced.

Step S52: spraying: according to the weather condition, the watering cart is used for spraying water to the side slope 100 irregularly above the side slope 100, so that the humidity of the soil in the plant growing bag 300 is kept, and a good external environment is provided for plant growth.

The implementation principle of the construction method for greening the vegetation bags by stacking the excavation side slopes in the embodiment of the application is as follows: the plant biological bags 300 in the same sash are connected into a whole, and the plant biological bags 300 close to the vertical part of the sash beam are connected with the sash beam, so that the connection stability between the plant biological bags 300 and the side slope 100 is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (4)

1. A construction method for greening a road excavation side slope by stacking plant growth bags is characterized by comprising the following steps: the method mainly comprises the following steps:

step S1: construction preparation: leveling a side slope (100) to be constructed, removing the surface floating soil of the side slope (100) to form a working plane, and performing measurement lofting on the working plane; step S2: installing a frame beam frame (200): installing a lattice beam frame (200) on the side slope (100); and step S3: and (3) partial pouring: pouring the horizontal part of the sash beam frame (200); and step S4: the plant growing bags (300) are piled: piling the plant biological bags (300) in the space of the sash Liang Weihu and connecting the plant biological bags (300) with the vertical part of the sash beam frame (200); step S5: and (3) partial pouring: pouring the vertical part of the sash beam frame (200); step S6: and (5) maintenance: spraying water to the vegetation bags (300) at irregular intervals according to the climatic environment;

the step S2 mainly comprises the following steps: step S21: drilling: according to the pre-anchoring point drawn by measurement, a pneumatic drilling machine is used for drilling a working plane, an anchor hole (110) with the designed length is drilled below the working plane, and the anchor hole (110) is vertical to the working plane; step S22: hole cleaning: cleaning the hole by using high-pressure air; step S23: installing a positioning anchor rod: inserting the positioning anchor rod into the anchor hole (110), and pouring cement paste into the anchor hole (110) from the bottom of the anchor hole (110); step S24: digging a groove (120): according to the data of measurement lofting mapping, excavating a groove (120) for embedding the frame beam; step S25: binding steel bars: binding reinforcing steel bars to form a reinforcing steel bar cage (210), placing the bound reinforcing steel bar cage (210) into the groove (120), wherein part of the reinforcing steel bar cage (210) is positioned above the working plane, and fixedly connecting the reinforcing steel bar cage (210) placed into the groove (120) with the anchor rod; step S26: mounting a guard plate (220): guard plates (220) are arranged on two sides of the reinforcement cage (210) in the length direction, and the guard plates (220) are positioned above the grooves (120);

the plant biological bag (300) in the step S4 comprises a bag surface (310) and a bag body (320), wherein the bag body (320) is fixedly connected to one side of the bag surface (310), and a connecting component (330) used for being connected with the adjacent plant biological bag (300) is arranged on one side, away from the bag body (320), of the bag surface (310);

the connecting assembly (330) comprises two hair side magic tapes (331) and two hook side magic tapes (332), the bag surface (310) is rectangular, the four magic tapes are respectively positioned at two ends close to the length direction of the bag surface (310) and two ends close to the width direction of the bag surface (310), one hair side magic tape (331) is fixedly connected at a position close to one end of the bag surface (310) in the length direction, and the other hair side magic tape (331) is fixedly connected at a position close to one end of the bag surface (310) in the width direction;

step S4 mainly includes the following steps: step S41: stacking: in one sash, stacking the plant biological bags (300) layer by layer from one end of the sash close to the bottom of the side slope (100) to one end close to the bottom of the side slope (100), wherein the bag surface (310) of the plant biological bags (300) is positioned on one side far away from the side slope (100); step S42: connecting: inserting the bag surface (310) of the plant biological bag (300) close to the vertical part of the frame lattice beam frame (200) into the gap between the steel reinforcement cage (210) and the groove (120), and connecting the bag surfaces (310) of the adjacent plant biological bags (300) through a connecting component (330); step S43: filling gaps: the bag surfaces (310) of two adjacent plant biological bags (300) are plugged into the gap between the two adjacent plant biological bags (300) through the connecting component (330); after the bag surface (310) is stuffed into the gap between two plant biological bags (300), the gap between two adjacent plant biological bags (300) is filled with soil, and the filled soil is tamped, so that the soil in the gap is flush with the upper surfaces of the plant biological bags (300).

2. The construction method for road excavation and slope stacking vegetation bag greening according to claim 1, wherein the construction method comprises the following steps: the bag surface (310) is made of polypropylene composite materials, and the bag body (320) is made of plant fibers.

3. The construction method for road excavation and slope stacking vegetation bag greening according to claim 1, wherein the construction method comprises the following steps: a plurality of water passing pipes (230) are arranged in the horizontal part of the sash beam frame (200) in the step S2, the water passing pipes (230) are arranged at equal intervals along the length direction of the horizontal part of the sash beam frame (200), the water passing pipes (230) are fixedly connected with the guard plate (220), and the length direction of the water passing pipes (230) is parallel to the vertical part of the sash beam frame (200).

4. The construction method for road excavation and slope stacking vegetation bag greening according to claim 1, wherein the construction method comprises the following steps: step S5 mainly includes the following steps: step S51: protection: non-woven fabrics are laid on one side of the plant growing bag (300) far away from the side slope (100) to build a rapid seedling germination environment; step S52: spraying: the plant biological bags (300) are sprayed from the upper part of the side slope (100) by using a watering cart.

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