CN107503756B - A kind of drilling construction method for photoface exploision - Google Patents
A kind of drilling construction method for photoface exploision Download PDFInfo
- Publication number
- CN107503756B CN107503756B CN201710892296.6A CN201710892296A CN107503756B CN 107503756 B CN107503756 B CN 107503756B CN 201710892296 A CN201710892296 A CN 201710892296A CN 107503756 B CN107503756 B CN 107503756B
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- China
- Prior art keywords
- blasthole
- drilling
- drilled
- construction method
- photoface exploision
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- 238000005553 drilling Methods 0.000 title claims abstract description 62
- 238000010276 construction Methods 0.000 title claims abstract description 29
- 238000012795 verification Methods 0.000 claims description 9
- 238000004880 explosion Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 13
- 238000005422 blasting Methods 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000002360 explosive Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/006—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries by making use of blasting methods
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Earth Drilling (AREA)
Abstract
A kind of drilling construction method for photoface exploision reuses the blasthole drilling that drilling machine carries out same construction parameter, makes bored blasthole perpendicular to ground and mutual keeping parallelism by the present invention in that being configured to blasthole to be drilled with the mode of virtual blasthole line.Implementation through the invention, it ensure that the hole wall periphery stress distribution having the same to be drilled under the conditions of identical geology, so that the process for forming the quick-fried face of light in blasting process is more gentle uniformly, being not in the excessive situation that obtains of local stress leads to the out-of-flatness in explosion face, by the way that drilling is arranged perpendicular to ground and keeps the good depth of parallelism between each other, enable and be formed by light quick-fried face when explosion and generated along same plane, is formed by the quick-fried surface evenness of light and greatly improves.In addition, the implementation of the present invention is relatively simple, can largely be promoted and applied in the photoface exploision of massif slope surface.
Description
Technical field
The invention belongs to engineering explosion fields, are related to photoface exploision, specially a kind of drilling construction for photoface exploision
Method.
Background technology
Traditional photoface exploision, often using the bore mode separately constructed, although using identical between each drilling
Bore mode, but associated parameters relationship is not set between each drilling, it needs to reset when drilling each time
The relevant parameter of drilling machine increases although having used identical drilling parameter with the quantity of drilling, is carrying out boring work
When drilling machine more or less deviation can all occur each time, it is difficult to ensure drilled quality and the depth of parallelism so that follow-up
The blasting quality of photoface exploision is difficult to ensure.
Chinese patent (publication number：CN106368606A a kind of tunnel photoface exploision drilling construction method) is disclosed, is passed through
In the installation direction controller on rock drill, the bore angle for setting drilling machine in the construction process is constructed, and is solved artificial
The deficiency constructed by rule of thumb when drilling is excavated, being accurately positioned when drilling machine is drilled is realized, but photoface exploision is come
It says, still can not ensure the tidiness in the quick-fried face of light, there are the flaw that explosion face is coarse, be also easy to the problems such as building stones avalanche occur,
It is unfavorable for subsequent continuing to construct.
Invention content
In order to solve the above technical problems, the present invention provides a kind of drilling construction methods for photoface exploision.
The present invention is achieved by the following technical programs.
A kind of drilling construction method for photoface exploision provided by the invention, includes the following steps：
Step 1：Smooth compacting is carried out to construction site, the plane error on ground is controlled within 5cm.
Step 2：Blasthole to be drilled is preset on construction ground, and is attached blasthole to be drilled using line, is formed
Virtual blasthole line；
Step 3：Centered on blasthole to be drilled, in the both sides of blasthole to be drilled, drawn and wide parallel of drilling machine in ground surface
Line, and the parallel lines are vertical with virtual blasthole line；
Step 4：Drilling machine is started, makes two crawler belts of drilling machine that the parallel lines that step 3 is done be completely covered, drill bit is aligned
Preset blasthole to be drilled carries out bore operation.
All preset blastholes to be drilled are on the same line in step 2.
In step 4, bored blasthole is perpendicular to the ground, and is mutually parallel between each blasthole.
The drilling machine is TY370GN hydraulic down-the-hole drills.
In step 5, the depth of bored blasthole is 12m.
Further include a drilling machine verification step, to the large arm of used drilling machine, drilling rod and impactor before step 4
90 degree of verifications are carried out, the control switch of corresponding component is locked after verification, ensures that subsequent blasthole is completed with identical parameter
Bore operation.
The blasthole bored in step 5, mouth diameters are less than base diameter.
The blasthole bored in step 5, mouth diameters are 0.95 times of base diameter.
The beneficial effects of the present invention are：Implementation through the invention uses phase when constructing in photoface exploision hole drilling
Same drilling machine state and identical drilling parameter drills, and ensure that the hole wall periphery to be drilled under the conditions of identical geology has
Identical stress distribution so that the process that the quick-fried face of light is formed in blasting process is more gentle uniformly, is not in local stress
The excessive situation that obtains leads to the out-of-flatness in explosion face, by the way that drilling is arranged perpendicular to ground and keeps flat well between each other
Row degree so that light quick-fried face is formed by when explosion to be generated along same plane, be formed by the quick-fried surface evenness of light and carried significantly
It is high.In addition, the implementation of the present invention is relatively simple, it can carry out largely promoting in the photoface exploision of massif slope surface and answer
With.
Specific implementation mode
Be described further below technical scheme of the present invention, but claimed range be not limited to it is described.
A kind of drilling construction method for photoface exploision includes the following steps：
Step 1：Smooth compacting is carried out to construction site, the plane error on ground is controlled within 5cm.
Step 2：Blasthole to be drilled is preset on construction ground, and is attached blasthole to be drilled using line, is formed
Virtual blasthole line；
Step 3：Centered on blasthole to be drilled, in the both sides of blasthole to be drilled, drawn and wide parallel of drilling machine in ground surface
Line, and the parallel lines are vertical with virtual blasthole line；
Step 4：Drilling machine is started, makes two crawler belts of drilling machine that the parallel lines that step 3 is done be completely covered, drill bit is aligned
Preset blasthole to be drilled carries out bore operation.
All preset blastholes to be drilled are on the same line in step 2.Set on same straight line blasthole to, be for
Ensure that the formation in the quick-fried face of light in blasting process along lineal layout, can finally form a complete explosion face, if big gun
Hole not on the same line, then can not be formed than more complete explosion face, and the stress wave that when explosion generates will not be along the same side
To propagation, the out-of-flatness of explosion face there is also, the case where rubble avalanche.
In step 4, bored blasthole is perpendicular to the ground, and is mutually parallel between each blasthole.
Bored blasthole is perpendicular to the ground and the stress generated when being to make explosion that is mutually parallel passes in a plane
It broadcasts, forms the same explosion face, if not parallel between each blasthole, generated stress can form intersection, can not shape
At complete explosion face, a large amount of patch work is also needed in subsequent construction, and stress produces different level to rock stratum
Execution, also the geological conditions of construction site can be made to form local difference, increase subsequent difficulty of construction.
The drilling machine is TY370GN hydraulic down-the-hole drills.The drilling machine of the model uses crawler travel, and drilling tool is rotatable to be pushed away
Into, drilling cramp can promote compensation, and drilling machine leveling is all made of hydraulic-driven, and using the compressed air of air pressure output as power,
Impact drilling and flushing blasthole, it is with good performance, same running parameter and working condition can be applied in the construction process
Boring work is carried out, ensures the consistency of bored blasthole.
In step 5, the depth of bored blasthole is 12m.The selection of blast hole depth is carried out according to specific construction requirement,
If too deep blasthole can cause more complicated stress to constitute, increase the cost of wiring and powder charge, is also unable to reach expected
Effect can increase the cost of blast working, therefore be selected after should being calculated with factors such as explosives used if excessively shallow blasthole
Select suitable blast hole depth.
Further include a drilling machine verification step, to the large arm of used drilling machine, drilling rod and impactor before step 4
90 degree of verifications are carried out, the control switch of corresponding component is locked after verification, ensures that subsequent blasthole is completed with identical parameter
Bore operation.
It is drilled using identical driller parameters, advantageously ensures that the process consistency of bored blasthole, what guarantee was bored
Blasthole is obtained can have good homogeneity, every physical index such as surface smoothness of hole wall, the stress distribution situation of surrounding
To preferable control, it is conducive to the formation in the quick-fried face of light in blasting process.
The blasthole bored in step 5, mouth diameters are less than base diameter.
The blasthole bored in step 5, mouth diameters are 0.95 times of base diameter.
Up-small and down-big setting is finally carried out to blasthole in punching, the stress formed after explosive can be made to trigger is more equal
It is even, be conducive to the formation in the quick-fried face of light, if but mouth diameters have big difference with base diameter, the burst stress of bottom can be caused
It excessively concentrates, is unfavorable for the quick-fried face molding of whole light instead.
Implementation through the invention uses identical drilling machine state and identical brill when constructing in photoface exploision hole drilling
Hole parameter drills, and ensure that the hole wall periphery stress distribution having the same to be drilled under the conditions of identical geology so that
The process that the quick-fried face of light is formed in blasting process is more gentle uniformly, and being not in the excessive situation that obtains of local stress leads to explosion face
Out-of-flatness, keep perpendicular to ground and between each other the good depth of parallelism by the way that drilling is arranged so that formed when explosion
The quick-fried face of light can be generated along same plane, be formed by the quick-fried surface evenness of light and greatly improve.In addition, the embodiment party of the present invention
Method is relatively simple, can largely be promoted and applied in the photoface exploision of massif slope surface.
Claims (8)
1. a kind of drilling construction method for photoface exploision, it is characterised in that include the following steps：
Step 1：Smooth compacting is carried out to construction site, the plane error on ground is controlled within 5cm；
Step 2：Blasthole to be drilled is preset on construction ground, and is attached blasthole to be drilled using line, is formed virtual
Blasthole line；
Step 3：Centered on blasthole to be drilled, in the both sides of blasthole to be drilled, the parallel lines wide with drilling machine are drawn in ground surface,
And the parallel lines are vertical with virtual blasthole line；
Step 4：Drilling machine is started, makes two crawler belts of drilling machine that the parallel lines that step 3 is done be completely covered, drill bit is aligned default
Blasthole to be drilled, carry out bore operation.
2. being used for the drilling construction method of photoface exploision as described in claim 1, it is characterised in that：It is all pre- in step 2
If blasthole to be drilled on the same line.
3. being used for the drilling construction method of photoface exploision as described in claim 1, it is characterised in that：In step 4, bored
Blasthole is perpendicular to the ground, and is mutually parallel between each blasthole.
4. being used for the drilling construction method of photoface exploision as described in claim 1, it is characterised in that：The drilling machine is
TY370GN hydraulic down-the-hole drills.
5. being used for the drilling construction method of photoface exploision as described in claim 1, it is characterised in that：In step 4, bored
The depth of blasthole is 12m.
6. being used for the drilling construction method of photoface exploision as described in claim 1, it is characterised in that：Before step 4, also
Including a drilling machine verification step, 90 degree of verifications are carried out to the large arm of used drilling machine, drilling rod and impactor, after verification
The control switch of locked corresponding component, ensures that subsequent blasthole completes bore operation with identical parameter.
7. being used for the drilling construction method of photoface exploision as described in claim 1, it is characterised in that：It is bored in step 4
Blasthole, mouth diameters are less than base diameter.
8. being used for the drilling construction method of photoface exploision as claimed in claim 7, it is characterised in that：It is bored in step 4
Blasthole, mouth diameters are 0.95 times of base diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710892296.6A CN107503756B (en) | 2017-09-27 | 2017-09-27 | A kind of drilling construction method for photoface exploision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710892296.6A CN107503756B (en) | 2017-09-27 | 2017-09-27 | A kind of drilling construction method for photoface exploision |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107503756A CN107503756A (en) | 2017-12-22 |
| CN107503756B true CN107503756B (en) | 2018-11-02 |
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|---|---|---|---|
| CN201710892296.6A Active CN107503756B (en) | 2017-09-27 | 2017-09-27 | A kind of drilling construction method for photoface exploision |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009228977A (en) * | 2008-03-24 | 2009-10-08 | Toda Constr Co Ltd | Blasting construction method |
| CN102261874A (en) * | 2011-08-16 | 2011-11-30 | 安徽恒源煤电股份有限公司钱营孜煤矿 | Method for blasting large section of rock roadway at one time |
| CN103868419A (en) * | 2014-03-18 | 2014-06-18 | 北京工业大学 | Smooth surface blasting construction method used in tunnel excavation process in hydraulic engineering |
| CN204495211U (en) * | 2014-12-08 | 2015-07-22 | 上海市政工程设计研究总院（集团）有限公司 | A kind of blasting hole arrangement system of tunnel open excavation section |
| CN204718510U (en) * | 2015-05-27 | 2015-10-21 | 中交一公局厦门工程有限公司 | A kind of novel joint-cutting quick-burning charge monoblock type photoface exploision device |
| CN107084648A (en) * | 2017-04-24 | 2017-08-22 | 哈密新智源水利水电工程建设监理有限公司 | One kind uses pilot hole guide-localization and Smooth Blasting Construction method |
-
2017
- 2017-09-27 CN CN201710892296.6A patent/CN107503756B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009228977A (en) * | 2008-03-24 | 2009-10-08 | Toda Constr Co Ltd | Blasting construction method |
| CN102261874A (en) * | 2011-08-16 | 2011-11-30 | 安徽恒源煤电股份有限公司钱营孜煤矿 | Method for blasting large section of rock roadway at one time |
| CN103868419A (en) * | 2014-03-18 | 2014-06-18 | 北京工业大学 | Smooth surface blasting construction method used in tunnel excavation process in hydraulic engineering |
| CN204495211U (en) * | 2014-12-08 | 2015-07-22 | 上海市政工程设计研究总院（集团）有限公司 | A kind of blasting hole arrangement system of tunnel open excavation section |
| CN204718510U (en) * | 2015-05-27 | 2015-10-21 | 中交一公局厦门工程有限公司 | A kind of novel joint-cutting quick-burning charge monoblock type photoface exploision device |
| CN107084648A (en) * | 2017-04-24 | 2017-08-22 | 哈密新智源水利水电工程建设监理有限公司 | One kind uses pilot hole guide-localization and Smooth Blasting Construction method |
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|---|---|
| CN107503756A (en) | 2017-12-22 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Drilling construction method used for smooth surface blasting Effective date of registration: 20200521 Granted publication date: 20181102 Pledgee: Liupanshui Rural Commercial Bank Co., Ltd Pledgor: GUIZHOU ANKAIDA INDUSTRIAL Co.,Ltd. Registration number: Y2020520000007 |
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