CN213296362U

CN213296362U - Landslide grouting reinforcement drainer

Info

Publication number: CN213296362U
Application number: CN202021838853.XU
Authority: CN
Inventors: 谢明朝
Original assignee: Guizhou Creates Prosperous Science And Technology Co ltd
Current assignee: Guizhou Creates Prosperous Science And Technology Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-05-28
Anticipated expiration: 2030-08-28

Abstract

The utility model provides a reinforcing drainer for mountain slope grouting, which comprises an aluminum plastic pipe, an extraction pipe, 2 terylene filter bags and a terylene filter cloth cylinder sleeved in the middle part of the extraction pipe, wherein the aluminum plastic pipe and the extraction pipe are arranged in the 2 terylene filter bags in a penetrating way; two PVC hoses are sleeved on the aluminum plastic pipe between the 2 terylene filter bags, drain holes are uniformly distributed on the extraction pipe, and the rear end of the extraction pipe is connected with a galvanized sieve pipe through threads. The grouting pump pressurizes and pours out the water which is more than the grout and filters out, improve the concentration of the grout, the high-concentration grout is continuously extruded into the gaps around the drill hole under the pressurization of the grouting pump and is fully mixed with the soft soil layer to form the concrete with higher strength, thereby preventing the possibility of easy landslide due to the loose soft soil layer, equivalently building a thick anti-blocking wall after the grouting grout is solidified, and in addition, the drainage sieve tube in the deep front end is used for collecting the rainwater in the rainstorm penetration and then discharging the rainwater along the pipeline, so that the mountain soil is not increased in water content, and the possibility of the mountain soil spalling is reduced.

Description

Landslide grouting reinforcement drainer

Technical Field

The utility model relates to a coal mining technical field, concretely relates to drainer is consolidated in mountain slope slip casting.

Background

A large amount of landslide and debris flow occur in rainy seasons in China all the time, accidents of road and railway washdown, village burying and the like caused by more or less landslide occur in mountains beside roads, railways, civil houses and the like, a large amount of property loss is caused to the nation and people, and a lot of lives disappear. More than 90% of landslide accidents occur in rainy seasons, and landslide and debris flow are most easily caused when heavy rain or heavy rainstorm continuously occurs for several days; the analysis shows that the continuous heavy rain enters the soil layer of the mountain to cause natural disasters such as swelling and landslide of the mountain caused by soil expansion, looseness, and weight increase of water volume.

SUMMERY OF THE UTILITY MODEL

The technical insufficiency that exists to the aforesaid, the utility model aims at providing a administer with low costs, can the slip casting consolidate mountain body lopsided soil, can give the guide out to the water that permeates into mountain body, lopsided again, make it alleviate the mountain body landslide to the softening of soil in the mountain body lopsided, the loose increment spalling of infiltration arouses.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a drainage device for reinforcing mountain slope by grouting, which comprises an aluminum plastic pipe, an extraction pipe, 2 terylene filter bags and a terylene filter cloth cylinder sleeved in the middle part of the extraction pipe, wherein the aluminum plastic pipe and the extraction pipe are arranged in the 2 terylene filter bags in a penetrating way; the tail end of the aluminum-plastic pipe is provided with a quick-release joint, and the front end of the aluminum-plastic pipe is provided with a rubber plug; two PVC (polyvinyl chloride) hoses are sleeved on the aluminum plastic pipes positioned between the 2 polyester filter bags, grouting holes are respectively formed in the aluminum plastic pipes positioned in the two PVC hoses, and the center distance between the two grouting holes is 1 meter; the aluminum plastic pipes positioned in the terylene filter bag are respectively provided with a grouting hole; the terylene filter cloth cylinder is sleeved on the extraction pipe, two ends of the terylene filter cloth cylinder are hermetically fixed with the extraction pipe through an aluminum alloy pipe hoop, drainage holes are uniformly distributed on the extraction pipe in the terylene filter cloth cylinder, and the rear end of the extraction pipe is connected with a galvanized sieve pipe through threads; the two ends of the PVC hose are hermetically fixed with the aluminum-plastic pipe through aluminum alloy pipe hoops, and the two ends of the polyester filter bag are hermetically fixed with the aluminum-plastic pipe, the extraction pipe and the polyester filter cloth cylinder through the aluminum alloy pipe hoops.

Preferably, the aluminum-plastic pipe is an antistatic flame-retardant black PE pipe with the diameter of 16 mm; the length of the terylene filter bag is 900mm, and the diameter is 160 mm; the diameter of the grouting hole is 8mm, and the diameter of the drain hole is 6 mm.

Preferably, the length of the aluminum-plastic pipe is 3-20 meters.

Preferably, the two ends of each aluminum-plastic pipe with the length of 3 meters are provided with internal and external threads or plug-in type flaring, so that the splicing of a plurality of aluminum-plastic pipes with the length of 3 meters is facilitated.

Preferably, the grouting pressure that the plastic-aluminum pipe can bear is 3MPa, is applicable to the commonly used electronic of general construction, pneumatic grouting pump slip casting, and the hole sealing length can all be accomplished to this product 8 ~ 20 meters, can select to match suitable 750B dacron filter bag according to the drilling size.

Preferably, the galvanized sieve tube is formed by splicing a plurality of galvanized steel tubes which are 3 meters long and internally provided with internal and external threads, the galvanized steel tubes are sleeved with a 9-ampere terylene filter cloth cylinder with a throughput rate of more than 600 meshes after being punched, the diameter of the filter cloth cylinder is far larger than that of cement of about 200 meshes, cement paste to be injected can be left in a drilled hole in the middle section and a gap at the periphery of the drilled hole, water is filtered out of the steel tube through pressurization of a grouting pump, and cement paste with high concentration which is continuously increased is continuously extruded and filled into a gap at the periphery of the drilled hole by high-pressure grouting to form a slurry net to reinforce the solid which is solidified in the soil strata.

Preferably, the expansion bursting pressure of the PVC hose is 1.6-2.0 MPa, and after the filter bags at the front end and the rear end of the drill hole are fully filled by the grouting pump, the grout can break breaking valves made of PVC short sections at the middle sections under the pressurization of the grouting pump to fill the reinforced drill hole and soft soil and gaps with the periphery of 3-5 meters into the hollow core of the middle sections of the two sealed filter bags.

The beneficial effects of the utility model reside in that: the grouting pump is adopted to pressurize and grout and filter out more grout water, so as to improve the grout concentration, and high-concentration grout is continuously extruded into gaps around the drill hole under the pressurization of the grouting pump and is fully mixed with the soft soil layer to form concrete with higher strength; thereby preventing the possibility that the soft soil layer is loose and easy to slide. After the cement slurry is solidified, a thick anti-blocking wall is built, and the drainage sieve tube at the deep front end is used for collecting rainwater penetrating from the interior of the rain storm and then discharging the rainwater along the pipeline, so that the water content of the mountain soil is not increased any more, and the possibility of the mountain soil spalling is reduced; thereby ensuring the possibility that the mountain is not easy to slide.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is the embodiment of the utility model provides a drainage ware is consolidated in mountain slope slip casting's structural schematic diagram.

Description of reference numerals:

the production process comprises the following steps of 1-a polyester filter bag, 2-a PVC hose, 3-a polyester filter cloth cylinder, 4-an aluminum plastic pipe, 5-a grouting hole, 6-an aluminum alloy pipe hoop, 7-a rubber plug, 8-an extraction pipe, 9-a drainage hole, 10-a locking type grouting quick connector and 11-a galvanized sieve pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, the mountain slope grouting reinforcement drainer comprises two polyester filter bags 1 with the diameter of 160mm and the length of 900mm, wherein the polyester filter bags 1 are fastened on an antistatic flame-retardant black PE aluminum plastic pipe 4 with the diameter of 16mm, two PVC hoses 2 are fastened on the aluminum plastic pipe 4 between the two polyester filter bags 1 at an interval of 1m to form a bursting valve, and a grouting hole 5 with the diameter of 8mm is drilled on the aluminum plastic pipe in the middle of the bursting valve; the tail end of the aluminum-plastic pipe 4 is connected with a locking type grouting quick-plugging connector 10; a rubber plug 7 is plugged at the front end of the aluminum-plastic pipe 4 to prevent the slurry from streaming from the front end; the aluminum plastic pipe 4 is provided with a grouting hole 5 with the diameter of 8mm in the middle of the two terylene filter bags 1; the terylene filter cloth cylinder 3 is sleeved on the extraction pipe 8, two ends of the terylene filter cloth cylinder are hermetically fixed with the extraction pipe 8 through an aluminum alloy pipe hoop 6, drainage holes 9 are uniformly distributed on the extraction pipe 8 positioned in the terylene filter cloth cylinder 3, and the rear end of the extraction pipe 8 is connected with a galvanized sieve pipe 11 through threads; the two ends of the PVC hose 2 are hermetically fixed with the aluminum-plastic pipe 4 through the aluminum alloy pipe hoop 6, and the two ends of the terylene filter bag 1 are hermetically fixed with the aluminum-plastic pipe 4, the extraction pipe 8 and the terylene filter cloth cylinder 3 through the aluminum alloy pipe hoop 6.

When the device is used, according to the requirements of landslide control construction, the drilling depth is not less than 30 meters, the aperture is not less than 75mm, after the upper inclined holes are drilled according to the designed hole pitch, 5 galvanized sieve tubes with the length of 3 meters are connected through the spiral grains and then are sent into the drilling holes, then the rear end galvanized sieve tubes are connected with the aluminum-plastic pipes through the spiral grains and are continuously inserted into the drilling holes, and 20 cm steel pipes and one meter of aluminum-plastic pipes are reserved outside the drilling holes to be grouted. The reserved quick plug connector on the aluminum-plastic pipe and the aluminum-plastic pipe on the grouting pump are connected and tensioned, then the grouting pump is started for grouting, when the grout enters the two terylene filter bags for grouting, the sealed front and rear filter bags are sequentially expanded and blocked, clear water is discharged, and when the grouting pressure reaches or exceeds 1.6-2.0 MPa, the burst valves supported by the two PVC hoses at the middle section can burst to open any one to perform grouting to the middle section; at the moment, the pointer of a pressure gauge on the grouting pump returns to about 0-0.1 MPa, the pressure gauge can slowly rise when the grouting pump continuously performs grouting to the middle section, clear water filtered out by cement slurry can flow out from the pipe at the moment, a large amount of water is filtered out by grouting pressure, the concentration of the cement slurry is improved, the cement slurry is continuously extruded and permeated to gaps at 3-5 meters on the inner periphery of a drill hole to form a slurry net shape, the concrete strength of a soft soil layer is enhanced, the clear water filtered out when the grouting pressure reaches 2.0MPa is also reduced, and then the grouting, reinforcing and hole sealing work is completed.

The utility model discloses a preceding two bilayers are strained and are expanded the shutoff earlier and die preceding rear end drilling passageway and broken area of slip casting interlude and form firm concrete layer again, prevent that the erosion of torrential rain leads to the landslide.

The part 10-15 meters away from the bottom end without grouting is a rainwater collecting and permeating section which is used for discharging rainwater outwards, and the purpose of discharging rainwater is to prevent rainwater from expanding in deep soil and loosening soil to crack to form a landslide factor.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The mountain slope grouting reinforcement drainer is characterized by comprising an aluminum-plastic pipe, an extraction pipe, 2 polyester filter bags and a polyester filter cloth cylinder, wherein the polyester filter cloth cylinder is sleeved in the middle of the extraction pipe, and the aluminum-plastic pipe and the extraction pipe are arranged in the 2 polyester filter bags in a penetrating manner; the tail end of the aluminum-plastic pipe is provided with a quick-release joint, and the front end of the aluminum-plastic pipe is provided with a rubber plug; two PVC (polyvinyl chloride) hoses are sleeved on the aluminum plastic pipes positioned between the 2 polyester filter bags, grouting holes are respectively formed in the aluminum plastic pipes positioned in the two PVC hoses, and the center distance between the two grouting holes is 1 meter; the aluminum plastic pipes positioned in the terylene filter bag are respectively provided with a grouting hole; the terylene filter cloth cylinder is sleeved on the extraction pipe, two ends of the terylene filter cloth cylinder are hermetically fixed with the extraction pipe through an aluminum alloy pipe hoop, drainage holes are uniformly distributed on the extraction pipe in the terylene filter cloth cylinder, and the rear end of the extraction pipe is connected with a galvanized sieve pipe through threads; the two ends of the PVC hose are hermetically fixed with the aluminum-plastic pipe through aluminum alloy pipe hoops, and the two ends of the polyester filter bag are hermetically fixed with the aluminum-plastic pipe, the extraction pipe and the polyester filter cloth cylinder through the aluminum alloy pipe hoops.

2. The mountain slope grouting reinforcement drainer of claim 1, wherein the aluminum-plastic pipe is an antistatic flame-retardant black PE pipe with a diameter of 16 mm; the length of the terylene filter bag is 900mm, and the diameter is 160 mm; the diameter of the grouting hole is 8mm, and the diameter of the drain hole is 6 mm.

3. The landslide grouting reinforcement drainer as claimed in claim 2, wherein the length of the aluminum-plastic pipe is 3-20 m.

4. The landslide grouting reinforcement drainer as claimed in claim 3, wherein both ends of each 3m long aluminum-plastic pipe are provided with internal and external threads or insertion type flares, so that a plurality of 3m long aluminum-plastic pipes can be conveniently spliced.

5. The landslide grouting reinforcement and drainage device as claimed in any one of claims 1-4, wherein the aluminum-plastic pipe can bear grouting pressure of 3 MPa.

6. The landslide grouting reinforcement drainer as claimed in claim 1, wherein the galvanized screen pipe is formed by splicing a plurality of galvanized steel pipes with 3m length and inner and outer gongs.

7. The landslide grouting reinforcement drainer as claimed in claim 1, wherein the expansion bursting pressure of the PVC hose is 1.6-2.0 MPa.

8. The landslide grouting reinforcement drainer of claim 1, wherein the transmittance of the dacron filter cloth cylinder is greater than 600 meshes.