CN112727505B - Treatment method for mine drilling through abandoned roadway - Google Patents
Treatment method for mine drilling through abandoned roadway Download PDFInfo
- Publication number
- CN112727505B CN112727505B CN202110128104.0A CN202110128104A CN112727505B CN 112727505 B CN112727505 B CN 112727505B CN 202110128104 A CN202110128104 A CN 202110128104A CN 112727505 B CN112727505 B CN 112727505B
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- drilling
- template
- roadway
- abandoned
- cylindrical
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
- E21D11/22—Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure
Abstract
The invention discloses a processing method for drilling a mine hole through a abandoned roadway, after drilling the mine hole into the abandoned roadway, manufacturing a plurality of cylinder templates, conveying the cylinder templates into the abandoned roadway, splicing the cylinder templates into a vertical template, and wrapping the drill hole of a roadway top plate in the center of the cylinder template; then, supporting devices are arranged between the left side and the right side of the cylinder template and the left side and the right side of the abandoned roadway, and the position of the cylinder template is fixed; pouring concrete into the template through the grouting pipe in the drilling hole until concrete slurry flows out of the overflow hole at the top of the cylindrical template, so that a closed space for connecting the top plate and the bottom plate is formed at the position where the drilling hole penetrates through the tunnel; and after the concrete is solidified, continuing the drilling operation according to the original route. When the original drilling hole penetrates through the abandoned roadway, the drilling hole can only be subjected to abandoned treatment; by the treatment method, the drilling hole penetrating through the abandoned roadway can be saved, so that the drilling hole can continue drilling along a given line, and the loss caused by scrapping of the drilling hole is avoided.
Description
Technical Field
The invention belongs to the technical field of mine construction, and particularly relates to a treatment method for a mine drilling through abandoned roadway.
Background
Drilling engineering is very ubiquitous in underground mines, drilling is generally vertical engineering or approximately vertical engineering, underground mine plane engineering is complicated, when drilling is carried out downwards from an upper roadway, plane scrapped roadway engineering can be sometimes penetrated, cement slurry leaks into scrapped roadway during drilling construction, so that a drill bit cannot be lubricated, rock slag cannot be discharged, drilling cannot be carried out, drilling scrapping is even caused, and huge economic loss is caused.
Disclosure of Invention
The invention provides a treatment method for drilling through abandoned roadway in mine, and aims to solve the technical problems.
Therefore, the invention adopts the following technical scheme:
a processing method for drilling through abandoned roadway in mine comprises the following steps:
1) After drilling to the abandoned roadway, stopping drilling operation firstly, and then determining the position of the abandoned roadway and the position of the drilled hole;
2) Cleaning sundries such as broken stones and the like below the drill holes in the abandoned roadway, so as to clean up a construction space; leveling on the bottom plate of the abandoned roadway, facilitating subsequent operation, and finally measuring the distance from the bottom plate to the top plate of the abandoned roadway;
3) Manufacturing a plurality of cylinder templates, wherein the heights of the cylinder templates after being spliced are equal to the distance measured in the step (2);
4) The cylindrical templates in the step 3) are conveyed into a abandoned roadway, a plurality of cylindrical templates are spliced into a vertical template, the cylindrical template at the bottom is placed at the leveling position of a bottom plate, and a drilling hole of a top plate is wrapped at the center of the cylindrical template; then, supporting devices are arranged between the left side and the right side of the cylinder template and the left side and the right side of the abandoned roadway, and the position of the cylinder template is fixed;
5) The joints between the templates and the top plate and the bottom plate of the abandoned roadway are smeared by using concrete, so that a closed space is formed between the templates and the top plate and the bottom plate; then, setting at least one grouting pipe and at least one overflow hole at the top of the cylinder template;
6) Pouring concrete into the template through the grouting pipe until concrete slurry flows out of the overflow holes at the top of the cylindrical template, so that a closed space for connecting the top plate and the bottom plate is formed at the position where the drilling and the tunnel are drilled; and after the concrete is solidified, the drilling operation can be continued along the original routing.
Further, the diameter of the cylindrical template is 1.5-2.5 m.
Further, the height of the cylindrical template is 1m.
Further, the cylinder template consists of four arc-shaped steel plates, and the four arc-shaped steel plates can be spliced into a circle; the left end and the right end of the arc-shaped steel plate are welded with vertical angle steel which stretches outwards along the edge line, the upper end and the lower end of the arc-shaped steel plate are welded with arc-shaped angle steel which stretches outwards, and bolt holes are formed in the vertical angle steel and the arc-shaped angle steel.
The invention has the beneficial effects that: when the original drilling hole penetrates through the abandoned roadway, the drilling hole can only be subjected to abandoned treatment; by the treatment method, the drilling holes penetrating through the abandoned roadway can be saved, so that the drilling holes continue to drill along the established line, loss caused by scrapping of the drilling holes is avoided, and the treatment method has great economic value in mine drilling construction; the cylinder template can be prefabricated standard parts, is produced in a factory and then transported to a construction site for installation, so that maintenance operation is convenient, the drilling time is reduced, and the processing efficiency is further improved.
Drawings
FIG. 1 is a schematic front view of the treatment process of the present invention;
FIG. 2 is a schematic top view of the treatment process of the present invention;
FIG. 3 is a front view of the construction of the cylinder form of the present invention;
FIG. 4 is a top plan view of the construction of the cylindrical form of the present invention;
in the figure: 1-drilling, 2-cylinder templates, 3-overflow holes, 4-supporting devices, 5-arc angle steel, 6-vertical angle steel, 7-bolt holes, 8-drilling opening roadways, 9-abandoned roadway and 10-arc steel plates.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1-2, a treatment method for mine drilling through abandoned roadway comprises the following steps:
1) Drilling downwards along the drilling opening roadway 8, after drilling to the abandoned roadway 9, stopping the drilling operation firstly, and then determining the position of the abandoned roadway 9 and the position of drilling.
2) Debris such as broken stones and the like below the drilled holes in the abandoned roadway 9 are cleaned, so that a construction space is cleaned, and subsequent construction operation is facilitated; and then casting concrete on the bottom plate of the abandoned roadway 9 for leveling, enabling the leveling layer to be parallel to the horizontal plane, and finally measuring the distance from the bottom plate to the top plate of the abandoned roadway 9.
3) Manufacturing a plurality of cylinder templates 2, wherein the heights of the cylinder templates 2 after being spliced are equal to the distance measured in the step (2); the cylindrical template 2 (shown in fig. 3-4) is composed of four arc-shaped steel plates 10, the four arc-shaped steel plates 10 can be spliced into a circle, vertical angle steels 6 extending outwards are welded at the left end and the right end of each arc-shaped steel plate 10 along the edge line, arc-shaped angle steels 5 extending outwards are welded at the upper end and the lower end of each arc-shaped steel plate, bolt holes 7 are formed in the vertical angle steels 6 and the arc-shaped angle steels 5, the adjacent arc-shaped steel plates 10 are fixed through connecting bolts between the vertical angle steels 6, and the adjacent cylindrical template 2 is fixed through connecting bolts between the arc-shaped angle steels 5. Wherein the diameter of the cylindrical template 2 is 1.5-2.5 m, and the height of the cylindrical template 2 is 1m.
4) The cylindrical templates 2 in the step 3) are transported to a abandoned roadway 9, the cylindrical templates 2 are assembled on site, and a plurality of cylindrical templates 2 are assembled into a vertical template. The cylindrical template 2 at the bottom is placed at the leveling position of the bottom plate, and the drilling holes 1 of the top plate are wrapped at the center of the cylindrical template 2. And then, a supporting device 4 is arranged between the left side and the right side of the cylinder template 2 and the left side and the right side of the abandoned roadway 9, the position of the cylinder template 2 is fixed, a wood pile can be selected as the supporting device 4, one end of the wood pile is abutted against the abandoned roadway 9, and the other end is abutted against the cylinder template 2.
5) And the joints between the templates and the top plate and the bottom plate of the abandoned roadway 9 are smeared by using concrete, so that a closed space is formed between the templates and the top plate and the bottom plate. Then, at the top of the cylindrical die plate 2, not less than one grouting pipe and not less than one overflow hole 3 are provided.
6) Pouring concrete into the template through the grouting pipe until concrete slurry flows out of the overflow holes 3 at the top of the cylindrical template 2, so that a closed space for connecting the top plate and the bottom plate is formed at the position where the drilling and the tunnel are drilled; after the concrete is solidified, the drilling operation can be continued along the original routing, the concrete in the template can prevent cement slurry from leaking out of the scrapped roadway, and the construction requirement is met.
It should be noted that the above is only a part of embodiments of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and substitutions can be made without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as the protection scope of the present invention.
Claims (4)
1. The treatment method for the mine drilling through the abandoned roadway is characterized by comprising the following steps of:
1) After drilling to the abandoned roadway (9), firstly stopping drilling operation, and then determining the position of the abandoned roadway (9) and the position of the drilling;
2) Debris such as broken stones and the like below the drilled holes in the abandoned roadway (9) are cleaned, so that a construction space is cleaned; leveling on the bottom plate of the abandoned roadway (9), facilitating subsequent operation, and finally measuring the distance from the bottom plate to the top plate of the abandoned roadway (9);
3) Manufacturing a plurality of cylindrical templates (2), wherein the heights of the cylindrical templates (2) after being spliced are equal to the distances measured in the step (2);
4) The cylindrical templates (2) in the step 3) are conveyed into a abandoned roadway (9), a plurality of cylindrical templates (2) are spliced into a vertical template, the cylindrical templates (2) at the bottom are placed at the leveling position of a bottom plate, and a drilling hole of a top plate is wrapped at the center of the cylindrical templates (2); then, a supporting device (4) is arranged between the left side and the right side of the cylindrical template (2) and the left side and the right side of the abandoned roadway (9), and the position of the cylindrical template (2) is fixed;
5) The joints between the cylinder templates (2) and the top plate and the bottom plate of the abandoned roadway (9) are smeared by concrete, so that a closed space is formed between the templates and the top plate and the bottom plate; then, setting at least one grouting pipe and at least one overflow hole (3) at the top of the cylinder template (2);
6) Pouring concrete into the template through the grouting pipe until concrete slurry flows out of the overflow holes (3) at the top of the cylindrical template (2), so that a closed space for connecting the top plate and the bottom plate is formed at the position where the drilling hole penetrates through the roadway; and after the concrete is solidified, the drilling operation can be continued along the original routing.
2. The method for treating mine drilling through abandoned roadway according to claim 1, wherein the diameter of the cylindrical template (2) is 1.5-2.5 m.
3. The method for treating mine drilling through abandoned roadway according to claim 2, characterized in that the height of the cylindrical template (2) is 1m.
4. A method of treating mine drilling through abandoned roadway according to claim 3, wherein the cylindrical template (2) is composed of four arc-shaped steel plates (10), and the four arc-shaped steel plates (10) can be spliced into a circle; the left end and the right end of the arc-shaped steel plate (10) are welded with vertical angle steel (6) which stretches outwards along the edge line, the upper end and the lower end of the arc-shaped steel plate are welded with arc-shaped angle steel (5) which stretches outwards, and bolt holes (7) are formed in the vertical angle steel (6) and the arc-shaped angle steel (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110128104.0A CN112727505B (en) | 2021-01-29 | 2021-01-29 | Treatment method for mine drilling through abandoned roadway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110128104.0A CN112727505B (en) | 2021-01-29 | 2021-01-29 | Treatment method for mine drilling through abandoned roadway |
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| Publication Number | Publication Date |
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| CN112727505A CN112727505A (en) | 2021-04-30 |
| CN112727505B true CN112727505B (en) | 2023-05-23 |
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| CN202110128104.0A Active CN112727505B (en) | 2021-01-29 | 2021-01-29 | Treatment method for mine drilling through abandoned roadway |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881015B (en) * | 2010-05-31 | 2011-06-15 | 长江水利委员会长江勘测规划设计研究院 | Method for blocking underground pit water by pneumatically casting granular materials |
| CN104405404B (en) * | 2014-11-14 | 2016-06-08 | 山东科技大学 | A kind of gas in mine stay roadway method |
| CN105114029B (en) * | 2015-08-19 | 2017-06-13 | 中煤科工集团西安研究院有限公司 | A kind of shutoff method of the bad drilling of mine laneway inner sealing |
| CN105351001B (en) * | 2015-11-16 | 2017-09-05 | 中国矿业大学 | A kind of method based on gob side entry retaining region reinforcement gas pumping |
| CN207048781U (en) * | 2017-10-30 | 2018-02-27 | 中国煤炭地质总局水文地质局 | A kind of hanging sleeve pipe of deep hole |
| CN108798678B (en) * | 2018-05-30 | 2019-11-26 | 中煤第一建设有限公司 | Wear tunnel freezing hole construction technique |
| CN109578070B (en) * | 2018-12-14 | 2020-04-14 | 安徽马钢罗河矿业有限责任公司 | Method for filling hole-finding at bottom of drill hole |
| CN110374680B (en) * | 2019-07-18 | 2021-05-11 | 长沙矿山研究院有限责任公司 | Construction process of retaining wall of surrounding rock crushing water burst roadway |
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