CN114622455A - Underground coal mine road building method - Google Patents
Underground coal mine road building method Download PDFInfo
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- CN114622455A CN114622455A CN202210269685.4A CN202210269685A CN114622455A CN 114622455 A CN114622455 A CN 114622455A CN 202210269685 A CN202210269685 A CN 202210269685A CN 114622455 A CN114622455 A CN 114622455A
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000003245 coal Substances 0.000 title claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 27
- 239000000243 solution Substances 0.000 claims abstract description 19
- 229920000642 polymer Polymers 0.000 claims abstract description 18
- 239000004576 sand Substances 0.000 claims abstract description 12
- 239000002689 soil Substances 0.000 claims abstract description 12
- 238000005507 spraying Methods 0.000 claims abstract description 10
- 239000007864 aqueous solution Substances 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims abstract description 4
- 238000005056 compaction Methods 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 6
- 239000004567 concrete Substances 0.000 description 4
- 238000005065 mining Methods 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004566 building material Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000274582 Pycnanthus angolensis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000013039 cover film Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229940109850 royal jelly Drugs 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C9/00—Special pavings; Pavings for special parts of roads or airfields
- E01C9/08—Temporary pavings
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C21/00—Apparatus or processes for surface soil stabilisation for road building or like purposes, e.g. mixing local aggregate with binder
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/30—Coherent pavings made in situ made of road-metal and binders of road-metal and other binders, e.g. synthetic material, i.e. resin
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C9/00—Special pavings; Pavings for special parts of roads or airfields
- E01C9/08—Temporary pavings
- E01C9/086—Temporary pavings made of concrete, wood, bitumen, rubber or synthetic material or a combination thereof
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
- Road Repair (AREA)
Abstract
The invention discloses a coal mine underground road building method, and mainly relates to the technical field of underground road building. The method comprises the following steps: 1, stirring and uniformly mixing soil, sand, small stones, large stones and a polymer solution DSMB to obtain a premixed raw material, wherein the polymer solution DSMB is not more than 1.5% of the total volume of the premixed raw material according to the volume; 2, arranging the roadbed, cleaning and leveling the roadbed, removing uneven broken stones and blocks, and compacting the roadbed; 3, paving the premixed raw materials on the finished roadbed, wherein the paving thickness is 200-300 mm; 4, compacting the pavement paved with the premixed raw materials by using a road roller; 5, after compacting is finished and waiting for 24 hours, spraying the pavement with an aqueous solution prepared by a high molecular solution DSMB; and 6, waiting for 2 hours after spraying is finished, and compacting by using a rubber-tyred vehicle to enable the vehicle to go on. The invention has the advantages of energy saving, environmental protection, short time period, large road surface load capacity and easy repair.
Description
Technical Field
The invention relates to the field of underground road construction, in particular to an underground road construction method for a coal mine.
Background
In the pit of colliery, in order to facilitate mining driving and operation, also need to build the road to the bottom surface of mine, present colliery is the mode that adopts concrete + reinforcing bar in the road repairing in the pit, after arrangement road bed to compaction, will reach the filling requirement of concrete, then assist to lay the concrete through the box board on the road bed, need the cover film after the shakeout to watering maintenance every day, because in the pit, generally can reach 60% degree of solidification after a week, it needs 28 days to solidify completely. Therefore, the road repairing mode has low efficiency, large pollution, complex operation and long waiting time period. And the mining car under the mine has large load, the running and application of the equipment are very easy to damage the road surface, the road surface is often damaged, and the underground road built by the existing road building method is also very difficult to maintain.
Disclosure of Invention
The invention aims to provide a coal mine underground road building method which is energy-saving and environment-friendly, short in time period, large in road surface load capacity and easy to repair.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a coal mine underground road building method comprises the following steps:
step 2, arranging the roadbed, cleaning and leveling the roadbed, removing uneven broken stones and blocks, and compacting the roadbed;
3, paving the premixed raw materials on the finished roadbed, wherein the paving thickness is 200-300 mm;
step 4, compacting the pavement paved with the premixed raw materials by using a road roller;
step 5, after the compaction is finished and the compaction is finished for 24 hours, spraying the pavement with an aqueous solution prepared by a high molecular solution DSMB;
and 6, waiting for 2 hours after spraying is finished, and compacting by using a rubber-tyred vehicle to enable the vehicle to go on.
In step 1, the soil is in a powder shape, and the particle size is less than 0.075 mm; the sand contains no water, and the particle size is 0.075mm-5 mm; the particle size of the small stones is 5mm-10 mm; the particle size of the large stones is 10mm-30 mm.
In step 1, the mixing ratio of the raw materials is as follows: the volume ratio of the soil, the sand, the small stones, the large stones and the polymer solution is 1:1:1:2: 0.05.
And the pavement compaction conditions in the step 4 comprise that the compaction force is not less than 6 tons, and the pavement is continuously compacted for 3 times.
In step 5, the ratio of the aqueous solution prepared from the polymer solution DSMB is: the polymer solution DSMB and water are prepared according to the volume ratio of 1 (3.5-6).
In step 5, the spraying of the pavement is performed according to 0.3L per square meter.
In step 6, the compaction by using the rubber-tyred vehicle is carried out for 5 times.
Compared with the prior art, the invention has the beneficial effects that:
1. the soil is added as the main raw material, the consumption of sand is reduced, cement is not needed, the cost of the raw material is low, and the energy-saving and environment-friendly effects are achieved.
2. The time period for paving the pavement is greatly shortened, and the construction efficiency is obviously improved.
3. The road surface built by the method has the advantage of large load capacity, can cope with the running of large engineering vehicles and load mine cars, and can greatly reduce the frequency of road surface damage compared with the road surface built by the conventional method.
4. Once the damage occurs, the premixed raw materials are directly filled to the damaged point and compacted, so that the repair is very simple and quick, and the underground operation period is not delayed.
Drawings
FIG. 1 is a front view of a road inspection report made in example 1.
Fig. 2 is a first page of a road detection report made in example 1.
Fig. 3 is a second page of the contents of the road detection report of example 1.
Fig. 4 is a third page of the contents of the road detection report of example 1.
Fig. 5 is a fourth page of the contents of the road detection report of example 1.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention can be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope defined by the present application.
Unless otherwise specified, the instruments, reagents, materials and the like used in the following examples are conventional instruments, reagents, materials and the like known in the art and are commercially available. Unless otherwise specified, the experimental methods, detection methods, and the like described in the following examples are conventional experimental methods, detection methods, and the like in the prior art.
Example (b): underground coal mine road building method
The method is used for building the specified road in the small-ridge town Yangxi ditch mining company in the Oak county, and the specific method comprises the following steps:
1. preparing the raw materials
The raw materials comprise soil, sand, small stones, large stones and polymer solution;
the soil is powdery, and the particle size is less than 0.075 mm;
the sand contains no water, and the particle size is 0.075mm-5 mm;
the particle size of the small stones is 5mm-10 mm;
the particle size of the large stones is 10mm-30 mm.
The polymer solution is an imported compounding agent in Canada, is a new generation of functional Dust suppression road-building material royal jelly in the world, is a polysaccharide green road-building material, can be used for quickly building a heavy-load dustless road, and is called Dual Stop mechanical Blend in English for short DSMB.
Uniformly stirring soil, sand, small stones, large stones and polymer solution according to the volume ratio of 1:1:1:2:0.05 to obtain a premixed raw material for later use;
the premixed raw materials which are well mixed and stirred by the method can be stored for 48 to 72 hours. And sufficient time is allowed for construction.
2. Arrangement roadbed
And cleaning and leveling the roadbed, removing uneven broken stones and blocks, and compacting the roadbed.
3. Laying is carried out
And directly paving the premixed raw materials on the finished roadbed, and flattening, wherein the paving thickness is 200-300 mm.
4. Compacting
And compacting the pavement paved with the premixed raw materials by using a road roller, wherein the compaction force is not less than 6 tons, and continuously compacting for 3 times.
5. Maintaining
After waiting for 24 hours, adding water into the polymer solution DSMB, preparing polymer aqueous solution according to the volume ratio of 1 (3.5-6), and spraying the polymer aqueous solution according to the volume ratio of 0.3L/square meter.
6. Repression
And (5) waiting for 2 hours after spraying, compacting the pavement for 5 times by using a rubber-tyred vehicle, namely paving the pavement, and immediately turning on the vehicle.
7. Repair of
And after the road surface is damaged, cleaning the damaged position, and directly filling the premixed raw materials to the damaged pit position. And repeating the step 4, the step 5 and the step 6 to compact, so that the repairing can be finished and the repairing can be immediately reused.
The method is used for replacing the traditional road building method of concrete or cement, and has the following effects:
1. the soil is added as the main raw material, the consumption of sand is reduced, cement is not needed, the cost of the raw material is low, and the energy-saving and environment-friendly effects are achieved.
2. The time period for paving the pavement is greatly shortened, and the construction efficiency is obviously improved.
3. The road surface built by the method has the advantage of large load capacity, can cope with the running of large engineering vehicles and load mine cars, and can greatly reduce the frequency of road surface damage compared with the road surface built by the conventional method.
4. Once damage occurs, the premixed raw materials are directly filled to a damaged point and compacted, so that the repair is very simple and quick, and the underground operation period is not delayed.
After the construction is finished, Shanxi entrusted highway engineering test detection Limited company is used for detection in the mining industry of major West ditches in the small mountains of Oak county. The test reports are shown in FIGS. 1-5.
Claims (7)
1. A coal mine underground road building method is characterized by comprising the following steps:
step 1, stirring and uniformly mixing soil, sand, small stones, large stones and a polymer solution DSMB to obtain a premixed raw material, wherein the polymer solution DSMB is not more than 1.5% of the total volume of the premixed raw material in terms of volume;
step 2, arranging the roadbed, cleaning and leveling the roadbed, removing uneven broken stones and blocks, and compacting the roadbed;
3, paving the premixed raw materials on the finished roadbed, wherein the paving thickness is 200-300 mm;
step 4, compacting the pavement paved with the premixed raw materials by using a road roller;
step 5, after the compaction is finished and the compaction is finished for 24 hours, spraying the pavement with an aqueous solution prepared by a high molecular solution DSMB;
and 6, waiting for 2 hours after the spraying is finished, and compacting by using a rubber-tyred vehicle to enable the vehicle to go on.
2. The method for building a coal mine underground road according to claim 1, wherein in step 1, the soil is in a powder form and has a particle size of less than 0.075 mm; the sand contains no water, and the particle size is 0.075mm-5 mm; the particle size of the small stones is 5mm-10 mm; the particle size of the large stones is 10mm-30 mm.
3. The underground coal mine road building method according to claim 1, wherein in the step 1, the mixing ratio of the raw materials is as follows: the volume ratio of the soil, the sand, the small stones, the big stones and the polymer solution is 1:1:1:2: 0.05.
4. The method for building a coal mine underground road according to claim 1, wherein the road surface compaction conditions in the step 4 comprise that the compaction force is not less than 6 tons, and 3 times of continuous compaction are carried out.
5. The underground coal mine road building method according to claim 1, wherein in the step 5, the ratio of the aqueous solution prepared by the polymer solution DSMB is as follows: the polymer solution DSMB and water are prepared according to the volume ratio of 1 (3.5-6).
6. The method for building a road under a coal mine well according to claim 1, wherein in the step 5, the spraying of the road surface is performed according to 0.3L per square meter.
7. The method for building a road under a coal mine well according to claim 1, wherein in step 6, the compacting by using a rubber-tyred vehicle is performed for 5 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210269685.4A CN114622455A (en) | 2022-03-18 | 2022-03-18 | Underground coal mine road building method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210269685.4A CN114622455A (en) | 2022-03-18 | 2022-03-18 | Underground coal mine road building method |
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| CN114622455A true CN114622455A (en) | 2022-06-14 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108677667A (en) * | 2018-03-26 | 2018-10-19 | 美尚生态景观股份有限公司 | A kind of method of constructing roadway based on biological enzyme soil-solidified-agent |
| CN108842557A (en) * | 2018-06-15 | 2018-11-20 | 中国铁道科学研究院铁道建筑研究所 | A kind of temporary road pavement structure and method of constructing roadway |
| KR102062879B1 (en) * | 2019-06-28 | 2020-01-06 | 한일콘(주) | Soil pavement road construction and soft ground improvement method using Soilcone |
| CN113718583A (en) * | 2021-07-23 | 2021-11-30 | 中铁十局集团第三建设有限公司 | Novel temporary road construction process |
-
2022
- 2022-03-18 CN CN202210269685.4A patent/CN114622455A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108677667A (en) * | 2018-03-26 | 2018-10-19 | 美尚生态景观股份有限公司 | A kind of method of constructing roadway based on biological enzyme soil-solidified-agent |
| CN108842557A (en) * | 2018-06-15 | 2018-11-20 | 中国铁道科学研究院铁道建筑研究所 | A kind of temporary road pavement structure and method of constructing roadway |
| KR102062879B1 (en) * | 2019-06-28 | 2020-01-06 | 한일콘(주) | Soil pavement road construction and soft ground improvement method using Soilcone |
| CN113718583A (en) * | 2021-07-23 | 2021-11-30 | 中铁十局集团第三建设有限公司 | Novel temporary road construction process |
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