CN114197502B - Recyclable palace laminated green protection grid and construction method thereof - Google Patents

Abstract

The invention discloses a recyclable palace laminated green protection grid and a construction method thereof. The protective grid chamber comprises a grid, and the grid is formed by mutually splicing four components with the same structure and then fixing the components through bolts. The low-alkali concrete is sprayed on the slope body before the construction, anchor rod holes can be drilled in advance in the soil layer deep sections, and the shallow sections are set according to the needs. Four identical members are bolted Cheng Geshi and the cells are secured by anchors and bolted to each other with surrounding cells. And the interior of the cell chamber is filled with foreign soil or ecological bags, so that the slope body is greened, the protection performance is improved, and the cell chamber main body can be taken down after plants grow, thereby realizing cyclic utilization. The invention can be well applied to slope lamination, overcomes the defects of modes such as anchor rod frame beams and the like in slope lamination protection, and has the advantages of simple structure, convenient maintenance and replacement, reduced excavation amount of earth and stone, short construction period and the like.

Description

Recyclable palace laminated green protection grid and construction method thereof

Technical Field

The invention relates to the technical field of slope protection, in particular to a recyclable green protection grid chamber for a slope laminate and a construction method thereof.

Background

The field of national capital construction in recent years is greatly developed, and the center of gravity of the capital construction is gradually inclined to the area with poor geological conditions, which is a challenge and a trigger for improving the construction technology. With the implementation of major strategies of the traffic intensity, the construction of large channels such as public, water, iron and air in various places of China is well-done, and the construction of traffic infrastructures is increasing. The slope lamination refers to a pile formed by washing and conveying a weathered product of rock under a hillside or in a foot area of the hillside by rainfall and running water, and the slope phenomenon is easy to generate along a contact line because the inclination of the bottom surface of the slope lamination is always consistent with that of an underlying bedrock slope, and particularly the newly-piled slope lamination has the characteristics of loose soil, high compressibility and strong subsidence. The loose deposit is a deposit of loose structure and is greatly affected by the external environment, and is extremely easy to deform and even can generate remarkable deformation along the base coating until sliding damage occurs, so that the problem of loose deposit needs to be properly solved.

The problem of loose slope lamination of a high slope is a great challenge to the traditional slope protection mode, and the conventional slope protection method at present comprises anchor rod frame beam protection, pile ecological bag protection, anchor net spraying combined protection, slurry rubble protection and the like.

The anchor rod frame beam protection is a scheme that anchor rods are firstly driven in to fix the frame beam, and then concrete is injected into the frame beam. During construction, the point positions of the anchor rods are determined firstly, the anchor rods are installed after drilling and hole cleaning, then the frame beams are bound by steel bars on site, templates are erected, concrete is poured into the frame beams, then the concrete in the steel truss is maintained, and finally the planting soil is backfilled. The anchor rod frame beam has the following defects: 1. the components are large, so that the transportation is inconvenient; 2. concrete needs to be poured on the slope body, so that the influence on the surrounding environment is great; 3. the curing period of the cast-in-place concrete is too long; 4. the digging is large; 5. the soil layer is easy to collapse due to overlarge dead weight.

The pile-up ecological bag protection is a scheme that grass seeds are arranged in the bag body in advance, and then the pile-up bag body is used for covering the whole slope. The construction is carried out according to the rows, firstly, the slope body is excavated, one row of the bottom of the slope is paved, then the second row is paved, and the like until the whole slope body is paved. Pile up ecological bag bank protection and have following shortcoming: 1. the excavation workload is large; 2. the ecological bag is easy to slide down the slope; 3. the survival rate of seeds cannot be guaranteed.

The combined protection of the anchor spraying net is a scheme for sealing the slope surface by sprayed concrete and a reinforcing steel net and reinforcing the slope surface by anchor rods. During construction, anchor rods with certain length and distribution are constructed in the rock mass, and the anchor rods and the rock mass jointly act to form a composite body, so that the defect of the strength of the rock mass is overcome, the anchor pulling effect is exerted, and the stability of a side slope is ensured. Meanwhile, the steel bar net is arranged on the slope to spray concrete, so that the slope is restrained from deforming, and the whole slope is integrated. The combined protection of the anchor spraying net has the following defects: 1. the concrete needs to be sprayed on site, so that the influence on the surrounding environment is great; 2. the application range is small, the method is not suitable for clay rock slopes with poor diagenetic effect, and the clay rock slope can not be directly used for water gushing sections, and the slope can be ensured to be usable by a water-free backflow method after water is discharged; 3. after the anchor rod, the reinforcing mesh and the concrete are aged, the protection is insufficient.

The mortar rubble protection is a scheme for realizing the slope protection function by adopting a masonry structure for mortar combination. During construction, the stone is cleaned, then the mortar is stirred by a stirrer, and then mortar is filled in the masonry joint, so that the bonding is realized. The slurry rubble has the following protection defects: 1. the self-weight is large, and the falling off is easy; 2. the application range is limited, and the framework slope protection is only suitable for soil layers and stone slopes which are generally stable, and is not suitable for slopes which are steep and have unstable soil properties; 3. the construction requirement is high, the protection performance is very good for the construction quality, the rubble is vertically laid on the slope surface from bottom to top to form a folded or arched framework, and the masonry can play a role only when being stable and compact.

Disclosure of Invention

The invention aims at: aiming at the problems of large excavation amount, structural aging, environmental pollution and the like of the existing slope protection measures, the invention provides a recyclable slope laminated green protection structure which has the advantages of green environmental protection, light structure and low manufacturing cost and aims at overcoming the defects of the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a but cyclic utilization's palace laminate green protection check room, the protection check room includes the grid, and the grid is by the mutual concatenation back of four structural identical components through the bolt fastening form, arbitrary component one end extends at the middle part and forms the middle part extension, and the other end extends at upper portion and forms upper portion extension, and the upper portion extension of one of them component overlaps with the middle part extension of another component each other, and four components overlap each other to make up the grid.

It should be further noted that the inner side of the grille is provided with a drain hole, and both sides of the drain hole are provided with fiber covers. The fiber cover is a grid-shaped polyethylene fiber cover, so that the blockage of the drain holes can be effectively prevented.

It is further to be noted that the upper portion extension section of each component is provided with a first threaded hole, the middle portion extension section is provided with a second threaded hole, the first threaded hole and the second threaded hole are both provided with steel cylinders with inner side threads, the first threaded hole of one component upper portion extension section is overlapped with the second threaded hole of the middle portion extension section of the other component, the overlapped part is fixed through a bolt, and a water supply and drainage channel is arranged below the overlapped part of the two threaded holes.

It is further to be noted that an additional platform is arranged on the outer side of the grille, an anchor rod hole is formed in the additional platform, a smooth steel circular column is arranged in the anchor rod hole, and the anchor rod hole is inserted into an anchor rod for supporting.

The construction method comprises the following steps:

step one: the method comprises the steps of firstly aligning different extension sections of two identical components, enabling a first threaded hole and a second threaded hole of the two components to be aligned, screwing bolts into the first threaded hole and the second threaded hole, connecting a combined body to other components after screwing, then connecting the head side and the tail side of the new combined body by using a new component, and forming a grid with four components which are meshed end to end, wherein the four components are connected to form a grid, and the grid is fixed by four bolts;

step two: spraying low-alkali concrete, firstly performing waterproof and drainage facilities before spraying the low-alkali concrete, and then performing high-pressure spraying of the low-alkali concrete on the whole slope body to stabilize a shallow soil layer section;

step three: placing cells, sequentially paving the cells from bottom to top in rows, firstly arranging an anti-slip pile at the bottom of a slope, then placing one cell at the position of the slope, wherein the shape of the cell can be changed at this time, the cell can be regulated into a square or a diamond according to actual needs, and inserting an anchor rod into an anchor rod hole to fix the first cell after the regulation is completed; next, laying a next cell in the same row of adjacent positions of the first cell, combining the upper extension section of the first cell and the middle extension section of the other cell to finish horizontal lap joint, aligning the bolt holes on the outer sides of the extension sections, screwing bolts, and performing the same operation until the row is full; then, a second layer is paved, the second layer and the first layer are also combined and horizontally bolted through the extension sections, whether an anchor rod needs to be inserted into the position is determined according to a geological detection report, if so, the anchor rod is driven into an anchor rod hole (after that, the previous operation is repeated until the slope is paved, and after the slope is paved, a drainage channel or a water supply pipe is arranged in a gap between adjacent grid chambers;

step four: filling foreign soil, removing the cell main body, filling the foreign soil in the cell, and planting plants; after the plants grow well, screwing out bolts among the cells from the top row of the slope top, and sequentially taking down the cells from the slope top, thereby realizing the recycling of the cells.

Compared with the prior art, the invention has the beneficial effects that:

(1) According to the invention, each cell can be communicated up and down, water can be supplied to the upper side, and the water can flow downwards layer by layer along the water drain holes of the cells, so that each cell can store a certain amount of water for plant growth;

(2) The ecological bags or the soil for the soil bags are in the cells, the sliding trend of the bags is counteracted by the friction between the bag bodies and the slope and the combined action of the anchor rods, and compared with the traditional bag laying method which needs to laminate the bags layer by layer, the ecological bags or the soil for the soil bags are only required to be laid in the cells, so that the using amount of the bags or the soil for the soil bags is greatly reduced;

(3) The invention can be used after being pulled to a construction site. The four components forming the grid chamber are completed consistently, the manufacturing is simple and convenient, the grid is easy to replace after being damaged, the soil body is prevented from losing by the existence of the grid, the drainage is not influenced, and meanwhile, the grid chamber has the filtering and intercepting functions, is more environment-friendly, and therefore the use value is remarkably improved;

(4) After the plants grow out, the structural main body can be removed to realize recycling;

(5) The method has wide adaptability, protects the soil with the anchor rod for the soil with deep soil, and protects the soil with the shotcrete for the soil with shallow soil.

(6) The structure design is reasonable, the loose pile-up layers with different thicknesses can be used, the loose pile-up layers of the side slope can be effectively protected, the loose pile-up layers can be directly used when being transported, the construction time of workers on the side slope is reduced, the disassembly is convenient, and the loose pile-up layers can be recycled;

(7) The component has simple structure and is easy to replace after being damaged;

(8) The structure improves the survival rate of seeds, keeps water capable of supplying water for plant growth while protecting soil from water, is friendly to the surrounding environment and does not cause pollution.

Drawings

FIG. 1 is a schematic view of a cell arranged on a slope;

FIG. 2 is a front view of a component;

FIG. 3 is a top view of the component;

FIG. 4 is a left side view of the component;

FIG. 5 is a schematic diagram of a cell;

FIG. 6 is a front view of a cell;

FIG. 7 is a top view of a cell;

FIG. 8 is a left side view of a cell;

FIG. 9 is a schematic illustration of one of the overlapping patterns between cells;

FIG. 10 is a schematic illustration of another manner of bridging between cells;

FIG. 11 is a schematic diagram of a cell used on a slope;

in the figure: 1. a drain hole; 2. a fiber cover; 3. an upper extension section; 4. a middle extension section; 5. a first threaded hole; 6. a bolt; 7. a water supply and drainage channel; 8. a platform; 9. an anchor rod hole; 15. and a second threaded hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the invention, are within the scope of the invention.

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-10, a recyclable green protection structure for a pile-up layer provided by an embodiment of the present invention is formed by assembling four identical components and then combining the components with bolts.

The utility model provides a but cyclic utilization's palace laminate green protection check room, the protection check room includes the grid, and the grid is by the mutual concatenation back of four structural identical components through the bolt fastening form, arbitrary component one end extends at the middle part and forms middle part extension 4, and the other end extends at upper portion and forms upper portion extension 3, and the upper portion extension of one of them component overlaps with the middle part extension of another component each other, and four components overlap each other to make up the grid.

The inner side of the grid is provided with a drain hole 1, and two sides of the drain hole 1 are provided with fiber covers 2. The fiber cover 2 is a grid-shaped polyethylene fiber cover, and can effectively prevent the blockage of the drain holes.

The upper extension section 3 of each component is provided with a first threaded hole 5, the middle extension section 4 is provided with a second threaded hole 15, the first threaded hole 5 and the second threaded hole 15 are both internally provided with steel cylinders with inner side threads (the first threaded hole 5 of one component upper extension section is overlapped with the second threaded hole 15 of the middle extension section of the other component, the overlapped part is fixed by a bolt 6, and a water supply and drainage channel 7 is arranged below the overlapped part of the two threaded holes.

It should be further noted that an additional platform 8 is arranged on the outer side of the grille, an anchor rod hole 9 is arranged on the additional platform, a smooth steel circular column is arranged in the anchor rod hole 9, and the anchor rod hole 9 is inserted into an anchor rod 10 for supporting.

The construction method comprises the following steps:

step one: the method comprises the steps of firstly aligning different extension sections of two identical components, enabling a first threaded hole 5 and a second threaded hole 15 of the two components to be aligned, screwing a bolt 6 into the first threaded hole 5 and the second threaded hole 15, connecting a combined body to other components after screwing, then connecting the head side and the tail side of the new combined body by using a new component, and forming four components into a grid with the four components biting end to end, wherein the four components are connected to form the grid, and the grid is fixed by four bolts;

step two: spraying low-alkali concrete, firstly performing waterproof and drainage facilities before spraying the low-alkali concrete, and then performing high-pressure spraying of the low-alkali concrete on the whole slope body to stabilize a shallow soil layer section;

step three: placing cells, sequentially paving the cells from bottom to top in rows, firstly arranging an anti-slide pile at the bottom of a slope, then placing one cell at the position of the slope, wherein the shape of the cell can be changed at the moment, adjusting the cell into a square or a diamond according to actual needs, and inserting an anchor rod 10 into an anchor rod hole 9 to fix the first cell after the adjustment is completed; next, laying a next cell in the same row of adjacent positions of the first cell, combining the upper extension section 3 of the first cell and the middle extension section 4 of the other cell to finish horizontal lap joint, aligning the bolt holes on the outer sides of the extension sections, screwing the bolts 6, and performing the same operation until the row is full; then a second layer is paved, the second layer and the first layer are horizontally bolted through the combination of the extension sections, whether the anchor rod needs to be inserted into the position is determined according to a geological detection report, and if so, an anchor rod 10 is driven into the anchor rod hole 9; repeating the previous operation until the slope is paved, and setting drainage channels or water supply pipes in the gaps between adjacent cells after the slope is paved;

step four: filling foreign soil, removing the cell main body, filling the foreign soil in the cell, and planting plants; after the plants grow well, screwing out bolts among the cells from the top row of the slope top, and sequentially taking down the cells from the slope top, thereby realizing the recycling of the cells.

Claims (2)

1. The construction method of the recycled palace laminated green protection grid chamber is characterized in that the protection grid chamber comprises a grid, the grid is formed by mutually splicing four components with the same structure and then fixing the components through bolts, one end of any component extends in the middle to form a middle extension section (4), the other end extends in the upper to form an upper extension section (3), the upper extension section of one component is mutually overlapped with the middle extension section of the other component, and the four components are mutually overlapped, so that the grid is formed;

the upper extension section (3) of each component is provided with a first threaded hole (5), the middle extension section (4) is provided with a second threaded hole (6), steel cylinders with inner side threads are arranged in the first threaded hole (5) and the second threaded hole (6), the first threaded hole (5) of one component upper extension section is overlapped with the second threaded hole (15) of the other component middle extension section, the overlapped part is fixed through a bolt (6), and a water supply and drainage channel (7) is arranged below the overlapped part of the two threaded holes; an additional platform (8) is arranged on the outer side of the grille, an anchor rod hole (9) is formed in the additional platform, a smooth steel circular column is arranged in the anchor rod hole (9), and the anchor rod hole (9) is used for supporting an anchor rod (10);

the construction method comprises the following steps:

step one: the method comprises the steps of firstly aligning different extension sections of two identical components, enabling a first threaded hole (5) and a second threaded hole (15) of the two components to be aligned, screwing bolts (6) into the first threaded hole (5) and the second threaded hole (15), connecting a combined body to other components after screwing, then connecting the two sides of the head and the tail of the new combined body by using a new component, and forming a grid with four components which are engaged in a tail-to-tail mode, wherein the four components are connected to form a grid, and the grid is fixed by using four bolts;

step two: spraying low-alkali concrete, firstly performing waterproof and drainage facilities before spraying the low-alkali concrete, and then performing high-pressure spraying of the low-alkali concrete on the whole slope body to stabilize a shallow soil layer section;

step three: placing cells, sequentially paving the cells from bottom to top according to rows, firstly arranging an anti-slide pile at the bottom of a slope, then placing one cell at the position of the slope, wherein the shape of the cell can be changed, the cell can be regulated into a square or a diamond according to actual needs, and inserting an anchor rod (10) into an anchor rod hole (9) to fix the first cell after the regulation is completed; next, laying a next cell in the same row of adjacent positions of the first cell, combining the upper extension section (3) of the first cell and the middle extension section (4) of the other cell to finish horizontal lap joint, aligning the bolt holes on the outer sides of the extension sections, screwing bolts (6), and performing the same operation until the row is full; then a second layer is paved, the second layer and the first layer are also combined and horizontally bolted through the extension sections, whether the anchor rod needs to be inserted into the position is determined according to a geological detection report, and if so, an anchor rod (10) is driven into an anchor rod hole (9); repeating the previous operation until the slope is paved, and setting drainage channels or water supply pipes in the gaps between adjacent cells after the slope is paved;

step four: filling foreign soil, removing the cell main body, filling the foreign soil in the cell, and planting plants; after the plants grow well, screwing out bolts among the cells from the top row of the slope top, and sequentially taking down the cells from the slope top, thereby realizing the recycling of the cells.

2. The construction method of the recyclable palace laminated green protection cell according to claim 1, wherein the construction method comprises the following steps: the inner side of the grid is provided with a drain hole (1), and both sides of the drain hole (1) are provided with fiber covers (2).

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