CN218233519U

CN218233519U - Prevent that landslide backwall from continuing to fill structure by throwing of rock block of warping

Info

Publication number: CN218233519U
Application number: CN202221734778.1U
Authority: CN
Inventors: 冯永林; 王哲; 周继强; 王志洋; 王磊; 罗广锋; 吴瑾
Original assignee: Gansu Nonferrous Engineering Survey Design And Research Co ltd
Current assignee: Gansu Nonferrous Engineering Survey Design And Research Co ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2023-01-06
Anticipated expiration: 2032-07-07

Abstract

The utility model provides a prevent that landslide back wall from continuing to warp block stone and throw and fill structure relates to the block stone and throws and fill technical field, throw including the first time block stone and fill and throw with the second time block stone and fill, the one side that fills is thrown to the second time block stone evenly is provided with a plurality of friction pile. The utility model discloses a carry out the first time piece stone at landslide back wall slope toe and throw and fill, the first time piece stone is thrown and is filled after firm slope toe, carry out the second time piece stone again and throw and fill, lay one row of friction pile at the landslide rear edge at last, the first time piece stone is thrown and is filled the back pressure toe, the effect on firm back wall slope, the second time piece stone is thrown and is filled the engineering geology nature that can effectively improve the landslide body soil, simultaneously can not hinder the excretion of groundwater after the plain soil backfills, the landslide phenomenon can be avoided appearing between two main buildings of geracomium and welfare institute to the friction pile, prevent that landslide back wall from continuing to be out of shape, twice piece stone is thrown and is filled back landslide rear wall in basic stable state, reduce the possibility of deformation destruction of two buildings of geracomium and welfare institute.

Description

Prevent that landslide back wall from continuing to warp blockstone and throw structure of filling out

Technical Field

The utility model relates to a technical field is thrown and is filled out to the block stone, especially relates to a prevent that landslide back wall from continuing to warp block stone and throw and fill structure.

Background

With the increase of population, the available land resources on the ground are gradually reduced at present, and in order to improve the stability and firmness of two buildings on artificial land, thicker and larger rock blocks are usually cast and filled on a base soil layer between the two buildings, so that the soil layer is firmer.

In the prior art, as Chinese patent numbers are: CN110552324A discloses a side slope protection structure capable of underwater construction and a construction method thereof, which comprises geotextile, rock blocks, broken stones, geotechnical mold bag concrete and gabions. The geotextile is tightly attached to the underwater steep slope to be reinforced and extends to the periphery. The face of the filled rock blocks is a gentle slope which can be stabilized underwater. The gaps between the surface layer stones are filled with broken stones. The concrete of the earthwork model bag is laid on the gravels, and the gabion is pressed on the concrete of the earthwork model bag. A construction method of the underwater side slope protection structure is also disclosed. The surface layer of the riprap body is wrapped by the geotechnical formwork concrete, so that the rock blocks are prevented from being washed away by water flow, and the legs are stabilized by the gabion, so that a solid slope protection leg protection system can be formed, the firmness and the durability are realized, cofferdams are not needed during construction, the construction period is greatly shortened, and the cost is reduced.

At present, a landslide exists between two main buildings of a senior citizen home and a welfare home, the stability and firmness of the landslide between the senior citizen home and the welfare home are greatly reduced after a long time, the state of the rear wall of the landslide is unstable and can continue to deform, and the deformation and the damage of rooms of the senior citizen home and the welfare home can be caused in serious cases.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems that the landslide existing between the home for old people and the home for welfare exists in the prior art, the stability and the firmness of the landslide between the home for old people and the home for welfare after a long time are greatly reduced, the state of the rear wall of the landslide is unstable and can continue to deform, and the deformation and the damage of the two buildings of the home for old people and the home for welfare can be caused in serious cases, and providing a rock block throwing and filling structure for preventing the rear wall of the landslide from continuing to deform; the utility model discloses a carry out the first time piece stone at landslide back wall slope toe and throw and fill, the first time piece stone is thrown and is filled after firm slope toe, carry out the second time piece stone again and throw and fill, lay one row of friction pile at the landslide rear edge at last, the first time piece stone is thrown and is filled the back pressure toe, the effect on firm back wall slope, the second time piece stone is thrown and is filled the engineering geology nature that can effectively improve the landslide body soil, simultaneously can not hinder the excretion of groundwater after the plain soil backfills, the landslide phenomenon can be avoided appearing between two main buildings of geracomium and welfare institute to the friction pile, prevent that landslide back wall from continuing to be out of shape, twice piece stone is thrown and is filled back landslide rear wall in basic stable state, reduce the possibility of deformation destruction of two buildings of geracomium and welfare institute.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a prevent that landslide backwall continues to warp block stone and throws and fill structure, includes that first time block stone is thrown and is filled and fill with second time block stone is thrown and fill, one side that second time block stone was thrown and is filled evenly is provided with a plurality of friction pile.

Preferably, the thickness of the first stone block throwing filling is 3.0-6.0 m, and the width is 5m.

Preferably, the slope gradient of the first-time block stone throwing filling is 1.25.

Preferably, the thickness of the second stone block throwing is 1.0m.

Preferably, the number of the anti-slide piles is twenty, and the distance between centers of the piles is 3.5m.

Preferably, the diameter of the slide-resistant pile is 1.20m, and the length of the slide-resistant pile is 35.0m.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model discloses in, throw out and pack out the stone through taking at landslide back wall slope toe, form the first stone and throw out and pack the structure, first stone is thrown and is filled out after firm slope toe, carry out the second time stone and throw and fill out again, first stone is thrown and is filled out and play the back pressure toe, the effect on firm back wall slope, the engineering geology nature that can effectively improve the synovial body soil is thrown and pack out to the second time stone, can not hinder the excretion of plain soil backfill back groundwater simultaneously, prevent that the landslide back wall from continuing to warp, avoid influencing old courtyard, two main buildings in welfare institute, two main buildings are thrown and filled out through the first stone twice stone of throwing and filling out with the second time stone, its back wall is in basic stable state, the possibility that old courtyard and welfare institute two buildings room warp destruction after the stone is thrown and filled out is little.

2. The utility model discloses in, through laying one row of friction pile at the landslide rear edge, the friction pile can avoid appearing the landslide phenomenon between the two main buildings of the asylum for the aged and the welfare institute, avoids two building rooms of the asylum for the aged and the welfare institute to warp the destruction simultaneously, improves the stability and the fastness of the landslide between the asylum for the aged and the welfare institute main building.

Drawings

Fig. 1 is the utility model provides a block stone of block stone throwing filling structure prevents that landslide back wall from continuing to warp fills back wall slope picture.

Illustration of the drawings: 1. anti-slide piles; 2. secondary stone block throwing and filling; 3. and (5) throwing and filling the rock blocks for the first time.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1, the utility model provides a prevent that landslide backwall continues block stone of deformation and throws and fill structure, fill 3 and fill 2 including first time block stone and throw with second time block stone, one side that 2 was filled out to second time block stone evenly is provided with a plurality of friction pile 1, and the pile body owner muscle of friction pile 1 adopts HRB400 phi 22 twisted steel, and the stirrup adopts the HPB235 phi 10 reinforcing bar, and the landslide phenomenon can avoid appearing between senior citizen institute and the two main buildings of welfare institute to friction pile 1, avoids the deformation of the two buildings room of the institute of the old and welfare institute to destroy simultaneously.

The thickness of the first block stone throwing and filling 3 is 3.0-6.0 m, the width of the first block stone throwing and filling 3 is 5m, and the first block stone throwing and filling 3 plays a role in back pressure of slope toe and stabilization of a back wall slope.

The slope gradient of the first-time block stone dumping 3 is 1.25, and the first-time block stone dumping 3 can prevent the landslide back wall from continuously deforming.

The thickness of the second rock block throwing and filling 2 is 1.0m, the second rock block throwing and filling 2 can effectively improve the engineering geological property of the sliding body soil, and meanwhile, the discharge of underground water after the plain soil is backfilled cannot be hindered.

The number of the anti-slide piles 1 is twenty, the pile center distance is 3.5m, the stirrup distance is 400mm, the concrete adopts C25 grade, and the concrete protective layer is 80mm thick.

The pile diameter of the anti-slide pile 1 is 1.20m, the pile length of the anti-slide pile 1 is 35.0m, the anti-slide pile 1 is excavated by a rotary drilling rig, a 4.0m steel cylinder retaining wall is arranged at a downward hole, the final retaining wall is exposed out of the ground by 0.5m, and the designed retaining wall is a 4mm thick steel plate hoop retaining arm.

The utility model discloses a theory of operation: the block stone throwing and filling structure consists of a first block stone throwing and filling 3, a second block stone throwing and filling 2 and a plurality of anti-slide piles 1; when block stone dumping is carried out on a landslide between two main buildings of a senior citizen house and a welfare house, firstly, the block stone is dumped and filled at the slope toe of the rear wall of the landslide by one belt to form a first block stone dumping and filling 3 structure, the first block stone dumping and filling 3 plays a role in back pressure of the slope toe and stabilization of the rear wall slope, the block stone dumping and filling thickness of the first block stone dumping and filling 3 is 3.0-6.0 m, the width of the first block stone dumping and filling 3 is 5m, and meanwhile, the slope is dumped on the slope according to the slope rate of 1.25; the existing slip mass has high water content and is mostly in a saturated state, after slope toe is stabilized by first rock block dumping 3, second rock block dumping 2 is carried out, and the dumping thickness of the second rock block dumping 2 is 1.0m, the engineering geological property of slip mass soil can be effectively improved, simultaneously, the discharge of underground water after plain soil backfilling is not hindered, then, a landslide region is backfilled to restore the original terrain, the continuous deformation of the rear wall of a landslide is prevented, two main buildings of a senior citizen institute and a welfare institute are prevented from being influenced, after the first rock block dumping 3 and the second rock block dumping 2 are carried out, the rear wall is in a basic stable state, the stability and the firmness of a landslide between the senior citizen institute and the welfare institute are improved, and the possibility of deformation damage of the house of the senior citizen and the welfare institute after the rock block dumping is small; a row of anti-slide piles 1 are arranged at the rear edge of a landslide, the anti-slide piles 1 are arranged for twenty in total, the pile length of each anti-slide pile 1 is 35.0m, the pile diameter is 1.20m, the pile center distance is 3.5m, HRB400 phi 22 threaded steel bars are adopted as main reinforcements of a pile body of each anti-slide pile 1, HPB235 phi 10 steel bars are adopted as stirrups, the distance between the stirrups is 400mm, C25 grade concrete is adopted, the thickness of a concrete protective layer is 80mm, a rotary drilling rig is adopted for excavating the anti-slide piles 1, a 4.0m steel cylinder protective wall is arranged downwards in an orifice, finally the protective wall is exposed out of the ground by 0.5m, and the protective wall is a 4 mm-thick steel plate hoop protective arm, so that the landslide phenomenon between an old home and a welfare home is avoided, the deformation and the damage of two buildings of the old home and the welfare home are avoided, and the stability and firmness of the landslide between the home are improved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a prevent that landslide back wall continues to warp piece stone and throw structure of filling which characterized in that, fills (2) including first time piece stone is thrown and is filled (3) and second time piece stone, one side that second time piece stone was thrown and is filled (2) evenly is provided with a plurality of friction pile (1).

2. The rock block riprap structure for preventing the landslide rear wall from continuing to deform according to claim 1, wherein: the thickness of the first stone block throwing filling (3) is 3.0-6.0 m, and the width is 5m.

3. The rock block riprap structure for preventing the landslide rear wall from continuing to deform according to claim 1, wherein: the slope gradient of the first stone block throwing filling (3) is 1.25.

4. The rock block riprap structure for preventing the landslide rear wall from continuing to deform according to claim 1, wherein: and the thickness of the second stone block throwing and filling (2) is 1.0m.

5. The rock block riprap preventing the landslide rear wall from continuing to deform according to claim 1, wherein: the number of the anti-slide piles (1) is twenty, and the pile center distance is 3.5m.

6. The rock block riprap preventing the landslide rear wall from continuing to deform according to claim 1, wherein: the diameter of the anti-slide pile (1) is 1.20m, and the length of the anti-slide pile (1) is 35.0m.