CN109341451A - A kind of damped blasting of tunnels structure and construction - Google Patents
A kind of damped blasting of tunnels structure and construction Download PDFInfo
- Publication number
- CN109341451A CN109341451A CN201811332302.3A CN201811332302A CN109341451A CN 109341451 A CN109341451 A CN 109341451A CN 201811332302 A CN201811332302 A CN 201811332302A CN 109341451 A CN109341451 A CN 109341451A
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- Prior art keywords
- hole
- blasting
- damped
- borehole
- explosion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a kind of damped blasting of tunnels structure and constructions, including explosion to excavate section；It is laid in the borehole that section is excavated in the explosion；The type of the borehole includes snubber, reliever, periphery hole.A kind of damped blasting of tunnels structure of the present invention and construction combine practical construction experience, and meet the regulation of relevant criterion, can adapt to more special construction environment, can reduce the vibration generated when explosion, demolition effect is good.
Description
Technical field
The present invention relates to technical field of building construction, and in particular to a kind of damped blasting of tunnels structure and construction.
Background technique
Recent domestic subway construction development is advanced by leaps and bounds, before especially man of China various aspects development speed ranks the world
Column, the city underground in China builds on a large scale, and city underground route is in underground and to be all disposed within city again relatively bustling
Region, the construction environments such as Adjacent Buildings, underground utilities are increasingly complex, and subway work difficulty and complexity are relatively large, especially
It is encounter Newly-built mine method Tunnel Blasting construction and under wear, side wear some complicated construction environment such as existing foundation pit can to construction band
Carry out very big risk, when bursting work, wants influence of the reduction concussion of blasting of maximum magnitude to surrounding enviroment, it is careless slightly will
The collapsing of tunnel and foundation pit is caused to cause huge casualties and economic loss.Therefore how correct under this particular surroundings
Be with Tunneling by mining method Technology of Blasting construction safety an important leverage.
Summary of the invention
The object of the present invention is to provide the damped blasting of tunnels structures and construction of a kind of good damping effect.
To achieve the goals above, the invention provides the following technical scheme:
A kind of damped blasting of tunnels structure disclosed by the invention, comprising:
Section is excavated in explosion；
It is laid in the borehole that section is excavated in the explosion；
The type of the borehole includes snubber, reliever, periphery hole.
Further, when section is excavated in the explosion is constructed using full section method, main line wide 6.16m in tunnel is high
6.41m；
The parameter of the borehole is aperture φ 42, single cycle drilling depth 1.8m；
Hole pattern parameters are as follows: second level V-cut eye array pitch 750mm, 75-85 ° of inclination angle, 1.5~2.2m of slot opening, hole depth
2.0m, ultra-deep 0.2m, the long 2.3m in hole；Reliever 650~900mm of pitch of holes, 650~900mm of array pitch；Periphery hole is quick-fried using smooth surface
It is broken, 5 ° of camber angle, along design profile line cloth hole, eye and stalk eyelet are pushed up away from 400~500mm, the quick-fried thickness 800mm of light, bottom plate hole
Away from 710mm.
Further, explosive payload in the borehole are as follows: explosive specific charge q=1.17kg/m3；Total dose Q=q*V=71kg；
Explosion volume V=S*L=60m3。
Further, when section is excavated in the explosion is constructed using double step method, main line wide 6.16m in tunnel is high
6.41m；
The parameter of the borehole is aperture φ 42mm, single cycle drilling depth 1.8m；
Hole pattern parameters: top bar snubber is arranged in the middle part of tunnel, second level V-cut eyelet array pitch 750mm, 80 ° of inclination angle
~85 °, slot opening 1.5m, hole depth 2.0m, ultra-deep 0.1m, the long 2.2m in hole, drilling depth 1.8m；Top bar snubber and periphery hole it
Between set reliever, reliever 700~750mm of pitch of holes, 550~750mm of array pitch；It gets out of a predicament or an embarrassing situation and tunnels minimum burden in eye and be
800~1000mm, pitch of holes are 700~1050mm；Periphery hole is along design profile cloth hole, and 5 ° of camber angle, along design profile line cloth
Eye and stalk eyelet are pushed up away from 450~500mm in hole, and the quick-fried thickness 800mm of light, bottom plate hole is away from 710mm.
Further, explosive payload in the borehole are as follows: main line top bar is averaged explosive specific charge q=1.2kg/m3；Total dose Q
=q*V=42.5kg, explosion volume V=S*L=35.1m3。
A kind of damped blasting of tunnels structure construction engineering method disclosed by the invention, includes the following steps:
The selection of S1, blasting design scheme；
The selection of S2, rock drilling equipment；
The selection of S3, explosive；
S4, blasting parameter design and explosive payload calculate；
S5, cloth hole and drilling；
S6, powder charge, blocking；
S7, design of firing circuit.
Further, in the step S1, when the distances of two working faces is less than 30m, when a working face bursting work,
The personnel of another working face are notified to withdraw, when two working faces are less than 15m, an only quasi- working face bursting work, separately
One working face stops operation.
Further, in the step S2, Tunnel Blasting drilling machine takes the bit bore of Ф 42mm diameter.
Further, the arrangement of the Tunnel Blasting snubber, reliever, periphery hole, country rock keyhole are drawn using wedge shape
Slot, slot opening 1.5m, array pitch 750mm, bottom hole spacing 400mm；
Periphery hole is evenly arranged along design profile line, in order to control out break and convenient for falling drilling when jewel hole next time
Eye, plans borehole direction with 3%~5% slope extrapolation, eyeground falls in 10cm~15cm other than design profile line.Bottom plate eye
Eyeground must also fall in 5cm~10cm or so other than design profile line, and fall in same vertical plane with the eyeground of reliever, periphery hole
On, and take biggish explosive specific charge, be conducive to cover the compacting of ballast on overcoming and play the role of turning over quarrel.Periphery pitch of holes takes
400~500mm, 500~700mm of minimum burden.0.15~0.25kg/m of concentration of charge；
The arrangement of via hole should be arranged successively from inside to outside, successively be detonated, gradually close to excavation contour line, pitch-row takes 500
~800mm.
Further, the Tunnel Blasting blasthole uses bottom hole concentrated charge structure, and photoface exploision uses spaced loading, volume
Shape emulsion explosive is decided quick-fried medicine, and detonating capsule is placed in bottom hole, and sockets for collecting energy is directed toward aperture, clay that air part 1:3 match and
The stemming blocking that sand mixes, stemming length cannot be less than 200mm.
In the above-mentioned technical solutions, a kind of damped blasting of tunnels structure of the present invention and construction combine practice of construction warp
It tests, and meets the regulation of relevant criterion, can adapt to more special construction environment, the vibration generated when explosion can be reduced,
Demolition effect is good.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only one recorded in the present invention
A little embodiments are also possible to obtain other drawings based on these drawings for those of ordinary skill in the art.
Fig. 1 is the shallow bore hole blast hole projectile filling knot of a kind of damped blasting of tunnels structure provided in an embodiment of the present invention and construction
Structure schematic diagram；
Fig. 2 is the deep hole blast hole projectile filling knot of a kind of damped blasting of tunnels structure provided in an embodiment of the present invention and construction
Structure schematic diagram；
Fig. 3 is the light blast hole charge constitution of a kind of damped blasting of tunnels structure provided in an embodiment of the present invention and construction
Schematic diagram.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, below in conjunction with attached drawing to this hair
It is bright to be further detailed.
Embodiment one:
Referring to a kind of damped blasting of tunnels structure that shown in Fig. 1 to Fig. 3, the embodiment of the present invention one is provided, comprising:
Section is excavated in explosion；
It is laid in the borehole that section is excavated in explosion；
The type of borehole includes snubber, reliever, periphery hole.
Preferably, above-mentioned when explosion is excavated section and constructed using full section method, main line wide 6.16m in tunnel is high
6.41m；
The parameter of borehole is aperture φ 42, single cycle drilling depth 1.8m；
Hole pattern parameters are as follows: second level V-cut eye array pitch 750mm, 75-85 ° of inclination angle, 1.5~2.2m of slot opening, hole depth
2.0m, ultra-deep 0.2m, the long 2.3m in hole；Reliever 650~900mm of pitch of holes, 650~900mm of array pitch；Periphery hole is quick-fried using smooth surface
It is broken, 5 ° of camber angle, along design profile line cloth hole, eye and stalk eyelet are pushed up away from 400~500mm, the quick-fried thickness 800mm of light, bottom plate hole
Away from 710mm.
Preferably, explosive payload in above-mentioned borehole are as follows: explosive specific charge q=1.17kg/m3；Total dose Q=q*V=71kg；
Explosion volume V=S*L=60m3。
Preferably, above-mentioned when explosion is excavated section and constructed using double step method, main line wide 6.16m in tunnel is high
6.41m；
The parameter of the borehole is aperture φ 42mm, single cycle drilling depth 1.8m；
Hole pattern parameters: top bar snubber is arranged in the middle part of tunnel, second level V-cut eyelet array pitch 750mm, 80 ° of inclination angle
~85 °, slot opening 1.5m, hole depth 2.0m, ultra-deep 0.1m, the long 2.2m in hole, drilling depth 1.8m；Top bar snubber and periphery hole it
Between set reliever, reliever 700~750mm of pitch of holes, 550~750mm of array pitch；It gets out of a predicament or an embarrassing situation and tunnels minimum burden in eye and be
800~1000mm, pitch of holes are 700~1050mm；Periphery hole is along design profile cloth hole, and 5 ° of camber angle, along design profile line cloth
Eye and stalk eyelet are pushed up away from 450~500mm in hole, and the quick-fried thickness 800mm of light, bottom plate hole is away from 710mm.
Preferably, explosive payload in above-mentioned borehole are as follows: main line top bar is averaged explosive specific charge q=1.2kg/m3；Total dose Q
=q*V=42.5kg, explosion volume V=S*L=35.1m3。
Embodiment two:
Referring to shown in Fig. 1 to Fig. 3, a kind of damped blasting of tunnels structure construction engineering method disclosed by the invention, including walk as follows
It is rapid:
The selection of S1, blasting design scheme；
The selection of S2, rock drilling equipment；
The selection of S3, explosive；
S4, blasting parameter design and explosive payload calculate；
S5, cloth hole and drilling；
S6, powder charge, blocking；
S7, design of firing circuit.
Preferably, in above-mentioned step S1, when the distances of two working faces is less than 30m, when a working face bursting work,
The personnel of another working face are notified to withdraw, when two working faces are less than 15m, an only quasi- working face bursting work, separately
One working face stops operation.
Preferably, in above-mentioned step S2, Tunnel Blasting drilling machine takes the bit bore of Ф 42mm diameter.
Preferably, the arrangement of above-mentioned Tunnel Blasting snubber, reliever, periphery hole, country rock keyhole are drawn using wedge shape
Slot, slot opening 1.5m, array pitch 750mm, bottom hole spacing 400mm；
Periphery hole is evenly arranged along design profile line, in order to control out break and convenient for falling drilling when jewel hole next time
Eye, plans borehole direction with 3%~5% slope extrapolation, eyeground falls in 10cm~15cm other than design profile line.Bottom plate eye
Eyeground must also fall in 5cm~10cm or so other than design profile line, and fall in same vertical plane with the eyeground of reliever, periphery hole
On, and take biggish explosive specific charge, be conducive to cover the compacting of ballast on overcoming and play the role of turning over quarrel.Periphery pitch of holes takes
400~500mm, 500~700mm of minimum burden.0.15~0.25kg/m of concentration of charge；
The arrangement of via hole should be arranged successively from inside to outside, successively be detonated, gradually close to excavation contour line, pitch-row takes 500
~800mm.
Preferably, above-mentioned Tunnel Blasting blasthole uses bottom hole concentrated charge structure, and photoface exploision uses spaced loading, volume
Shape emulsion explosive is decided quick-fried medicine, and detonating capsule is placed in bottom hole, and sockets for collecting energy is directed toward aperture, clay that air part 1:3 match and
The stemming blocking that sand mixes, stemming length cannot be less than 200mm.
In the above-mentioned technical solutions, a kind of damped blasting of tunnels structure of the present invention and construction combine practice of construction warp
It tests, and meets the regulation of relevant criterion, can adapt to more special construction environment, the vibration generated when explosion can be reduced,
Demolition effect is good.
It is above that certain exemplary embodiments of the invention are only described by way of explanation, undoubtedly, for ability
The those of ordinary skill in domain without departing from the spirit and scope of the present invention can be with a variety of different modes to institute
The embodiment of description is modified.Therefore, above-mentioned attached drawing and description are regarded as illustrative in nature, and should not be construed as to the present invention
The limitation of claims.
Claims (10)
1. a kind of damped blasting of tunnels structure characterized by comprising
Section is excavated in explosion；
It is laid in the borehole that section is excavated in the explosion；
The type of the borehole includes snubber, reliever, periphery hole.
2. a kind of damped blasting of tunnels structure according to claim 1, which is characterized in that excavate section when the explosion and adopt
When being constructed with full section method, tunnel main line wide 6.16m, high 6.41m；
The parameter of the borehole is aperture φ 42, single cycle drilling depth 1.8m；
Hole pattern parameters are as follows: second level V-cut eye array pitch 750mm, 75-85 ° of inclination angle, 1.5~2.2m of slot opening, hole depth 2.0m surpass
Deep 0.2m, the long 2.3m in hole；Reliever 650~900mm of pitch of holes, 650~900mm of array pitch；Periphery hole uses photoface exploision, flare
Eye and stalk eyelet are pushed up away from 400~500mm, the quick-fried thickness 800mm of light, bottom plate hole is away from 710mm along design profile line cloth hole in 5 ° of angle.
3. a kind of damped blasting of tunnels structure according to claim 2, which is characterized in that explosive payload in the borehole are as follows:
Explosive specific charge q=1.17kg/m3；Total dose Q=q*V=71kg；Explosion volume V=S*L=60m3。
4. a kind of damped blasting of tunnels structure according to claim 1, which is characterized in that excavate section when the explosion and adopt
When being constructed with double step method, tunnel main line wide 6.16m, high 6.41m；
The parameter of the borehole is aperture φ 42mm, single cycle drilling depth 1.8m；
Hole pattern parameters: top bar snubber is arranged in the middle part of tunnel, second level V-cut eyelet array pitch 750mm, and 80 ° of inclination angle~
85 °, slot opening 1.5m, hole depth 2.0m, ultra-deep 0.1m, the long 2.2m in hole, drilling depth 1.8m；Top bar is between snubber and periphery hole
If reliever, reliever 700~750mm of pitch of holes, 550~750mm of array pitch；Getting out of a predicament or an embarrassing situation and tunneling minimum burden in eye is 800
~1000mm, pitch of holes are 700~1050mm；Periphery hole is along design profile cloth hole, and 5 ° of camber angle, along design profile line cloth hole,
Eye and stalk eyelet are pushed up away from 450~500mm, the quick-fried thickness 800mm of light, bottom plate hole is away from 710mm.
5. a kind of damped blasting of tunnels structure according to claim 4, which is characterized in that explosive payload in the borehole are as follows:
Main line top bar is averaged explosive specific charge q=1.2kg/m3；Total dose Q=q*V=42.5kg, explosion volume V=S*L=35.1m3。
6. a kind of damped blasting of tunnels structure construction engineering method, which comprises the steps of:
The selection of S1, blasting design scheme；
The selection of S2, rock drilling equipment；
The selection of S3, explosive；
S4, blasting parameter design and explosive payload calculate；
S5, cloth hole and drilling；
S6, powder charge, blocking；
S7, design of firing circuit.
7. a kind of damped blasting of tunnels structure construction engineering method according to claim 6, which is characterized in that the step S1
In, when the distances of two working faces is less than 30m, when a working face bursting work, the personnel of another working face to be notified to remove
From when two working faces are less than 15m, only a quasi- working face bursting work, another working face stop operation.
8. a kind of damped blasting of tunnels structure construction engineering method according to claim 6, which is characterized in that the step S2
In, Tunnel Blasting drilling machine takes the bit bore of Ф 42mm diameter.
9. a kind of damped blasting of tunnels structure construction engineering method according to claim 6, which is characterized in that the Tunnel Blasting
The arrangement of snubber, reliever, periphery hole, country rock keyhole use V-cut, slot opening 1.5m, array pitch 750mm, between bottom hole
Away from 400mm；
Periphery hole is evenly arranged along design profile line, in order to control out break and convenient for falling drilling eye when jewel hole next time, is intended
By borehole direction with 3%~5% slope extrapolation, eyeground falls in 10cm~15cm other than design profile line.The eyeground of bottom plate eye
Also 5cm~10cm or so other than design profile line must be fallen in, and is fallen in the same vertical plane with the eyeground of reliever, periphery hole,
And biggish explosive specific charge is taken, be conducive to cover the compacting of ballast on overcoming and plays the role of turning over quarrel.Periphery pitch of holes takes 400
~500mm, 500~700mm of minimum burden.0.15~0.25kg/m of concentration of charge；
The arrangement of via hole should be arranged successively from inside to outside, successively be detonated, gradually close to excavation contour line, pitch-row takes 500~
800mm。
10. a kind of damped blasting of tunnels structure according to claim 6, which is characterized in that the Tunnel Blasting blasthole is adopted
With bottom hole concentrated charge structure, photoface exploision uses spaced loading, and web-like emulsion explosive is decided quick-fried medicine, and detonating capsule is placed in hole
Bottom, sockets for collecting energy are directed toward aperture, and the stemming that the clay and sand that air part is matched with 1:3 mix blocks, and stemming length must not
Less than 200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811332302.3A CN109341451A (en) | 2018-11-09 | 2018-11-09 | A kind of damped blasting of tunnels structure and construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811332302.3A CN109341451A (en) | 2018-11-09 | 2018-11-09 | A kind of damped blasting of tunnels structure and construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109341451A true CN109341451A (en) | 2019-02-15 |
Family
ID=65313017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811332302.3A Pending CN109341451A (en) | 2018-11-09 | 2018-11-09 | A kind of damped blasting of tunnels structure and construction |
Country Status (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111811348A (en) * | 2020-08-14 | 2020-10-23 | 中交路桥建设有限公司 | Excavation and tunneling construction method for damping control blasting of tunnel |
| CN113091542A (en) * | 2021-04-29 | 2021-07-09 | 中铁六局集团有限公司 | Railway blasting construction method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001021299A (en) * | 1999-07-06 | 2001-01-26 | Nishimatsu Constr Co Ltd | Method for blasting excavation |
| CN102494571A (en) * | 2011-12-11 | 2012-06-13 | 中建八局大连建设工程有限公司 | Construction method for damped blasting of tunnels |
| CN105387777A (en) * | 2015-10-30 | 2016-03-09 | 山东大学 | Smooth blasting spaced loading joint-cutting pipe |
| CN107289827A (en) * | 2017-08-11 | 2017-10-24 | 中铁四局集团有限公司 | Double-side wedge cut tunneling blasting method for extra-large section tunnel |
| CN209295800U (en) * | 2018-11-09 | 2019-08-23 | 中铁二十二局集团轨道工程有限公司 | A kind of damped blasting of tunnels structure |
-
2018
- 2018-11-09 CN CN201811332302.3A patent/CN109341451A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001021299A (en) * | 1999-07-06 | 2001-01-26 | Nishimatsu Constr Co Ltd | Method for blasting excavation |
| CN102494571A (en) * | 2011-12-11 | 2012-06-13 | 中建八局大连建设工程有限公司 | Construction method for damped blasting of tunnels |
| CN105387777A (en) * | 2015-10-30 | 2016-03-09 | 山东大学 | Smooth blasting spaced loading joint-cutting pipe |
| CN107289827A (en) * | 2017-08-11 | 2017-10-24 | 中铁四局集团有限公司 | Double-side wedge cut tunneling blasting method for extra-large section tunnel |
| CN209295800U (en) * | 2018-11-09 | 2019-08-23 | 中铁二十二局集团轨道工程有限公司 | A kind of damped blasting of tunnels structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111811348A (en) * | 2020-08-14 | 2020-10-23 | 中交路桥建设有限公司 | Excavation and tunneling construction method for damping control blasting of tunnel |
| CN113091542A (en) * | 2021-04-29 | 2021-07-09 | 中铁六局集团有限公司 | Railway blasting construction method |
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