CN106440984A - Blasthole explosive pressing pipes for city shallow buried rock stratum tunnel static blasting construction and construction method - Google Patents
Blasthole explosive pressing pipes for city shallow buried rock stratum tunnel static blasting construction and construction method Download PDFInfo
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- CN106440984A CN106440984A CN201611184983.4A CN201611184983A CN106440984A CN 106440984 A CN106440984 A CN 106440984A CN 201611184983 A CN201611184983 A CN 201611184983A CN 106440984 A CN106440984 A CN 106440984A
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- Prior art keywords
- pressure pipe
- blasthole
- medicament
- detritus
- outer shroud
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
- F42D3/04—Particular applications of blasting techniques for rock blasting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses blasthole explosive pressing pipes for city shallow buried rock stratum tunnel static blasting construction and a construction method and belongs to the technical field of city tunnel subsurface excavation construction. The blasthole explosive pressing pipes comprise peripheral blasthole explosive pressing pipes and middle blasthole explosive pressing pipes. Each peripheral blasthole explosive pressing pipe comprises an outer annular pressing pipe a and an inner annular pressing pipe a. Two detritus cutting picks a are symmetrically distributed on the outer pressing portions of each outer annular pressing pipe a and the corresponding inner annular pressing pipe a separately, and flexible brackets are symmetrically distributed on the two sides of each detritus cutting pick a correspondingly. Each middle blasthole explosive pressing pipe comprises an outer annular pressing pipe b and an inner annular pressing pipe b which is in slip connection with the outer annular pressing pipe b. Four symmetrical detritus cutting picks b are in rigid connection with the outer pressing portions of each outer annular pressing pipe b and the corresponding inner annular pressing pipe b. The blasthole explosive pressing pipes for city shallow buried rock stratum tunnel static blast working and the construction method have the advantages of simple connecting structure, easy operation, realization of directional rock breaking, high efficiency of tunneling rock breaking, short construction period, low cost, security, and high efficiency.
Description
Technical field
The present invention relates to a kind of city shallow embedding rock stratum tunnel static blasting construction auxiliary pressure pipe and construction method, belong to city
Tunnel excavation construction technique field.
Background technology
With the fast development of China's urban construction, increasing Urban underground Tunnel engineering.City tunnel engineering is buried
Deep shallower, often pass through the road engineering closed on, pipe engineering and earth's surface during constructing tunnel and build (structure) and build, existing brill
Quick-fried method construction unavoidably impacts to existing structures safety and surrounding enviroment.Existing static blasting construction method is applied
Work generally existing tunnel perimeter is contoured to be difficult to control to, and detritus ability is weak, and rock breaking efficiency is poor.
Content of the invention
For solving the defect that prior art exists, it is an object of the invention to provide a kind of detritus ability is strong, blasting efficiency is high,
There is no detonation wave, simple to operate, easy construction, the city shallow embedding rock stratum tunnel static blasting construction blasthole medicament of energy directional blasting
Pressure pipe and construction method.
The technical scheme is that：City shallow embedding rock stratum tunnel static blasting construction blasthole medicament pressure pipe, including periphery
Blasthole medicament pressure pipe and intermediate hole medicament pressure pipe；
Described periphery blasthole medicament pressure pipe includes, outer shroud pressure pipe a and internal ring pressure pipe a being slidably connected therewith, outer shroud pressure pipe a
Constitute the concentric circumferences of closing with internal ring pressure pipe a, described internal ring pressure pipe a is slidably connected with outer shroud pressure pipe a by slide rail a, described
Slide rail a is provided with some ball base a, and ball base a installs ball a, and outer shroud pressure pipe a is provided with for coordinating ball a to roll
Spill guide-track groove a, two detritus pick a are respectively symmetrically on the outer splenium being distributed in outer shroud pressure pipe a and internal ring pressure pipe a, described
Two detritus pick a both sides are respectively symmetrically and flexible rest are distributed with；
Described intermediate hole medicament pressure pipe includes, outer shroud pressure pipe b and internal ring pressure pipe b being slidably connected therewith, outer shroud pressure pipe b
Constitute the concentric circumferences of closing with internal ring pressure pipe b, described internal ring pressure pipe b passes through two slide rail b and outer shroud pressure pipe b of symmetric design
It is slidably connected, each described slide rail b is provided with some ball base b, ball base b installs ball b, outer shroud pressure pipe b is provided with
For the spill guide-track groove b coordinating ball b to roll, the outer splenium of described outer shroud pressure pipe b and internal ring pressure pipe b is rigidly connected symmetrical
Four detritus pick b.
Described slide rail a end is provided with slide rail closure a, and described slide rail b end is provided with slide rail closure b.
Described spill guide-track groove a end is provided with groove closure a, and described spill guide-track groove b end is provided with groove closure b.
The length of described detritus pick a and detritus pick b is 10-12mm.
Described spill guide-track groove a section is U-shaped, depth 3-5mm, and described depth is less than the 1/3 of outer shroud pressure pipe a wall thickness, institute
State spill guide-track groove b section U-shaped, depth 3-5mm, described depth is less than the 1/3 of outer shroud pressure pipe b wall thickness.
Described slide rail a stroke is the 1/3-1/2 of blasthole a diameter, and described slide rail b stroke is the 1/3-1/2 of blasthole b diameter.
The length 2-4mm shorter than detritus pick a length of described flexibility rest.
Described ball base a, ball a quantity are four, and described ball base b, ball b quantity are four.
City shallow embedding rock stratum tunnel static blasting construction method, comprises the steps：
S1) arrange drilling boring according to the geological conditions and hardness of country rock；
S2) the boring that each drilling is terminated, carries out clearing up landwaste and the rubble of in the hole；
S3) according to a static blasting construction area, periphery blasthole and intermediate hole are determined；
S4) determine cracking agent consumption, prepare cracking agent slurry；
S5) assemble, tie up outer shroud pressure pipe a and internal ring pressure pipe a of fixing periphery blasthole medicament pressure pipe, and intermediate hole medicine
Outer shroud pressure pipe b of agent pressure pipe and internal ring pressure pipe b；
S6) irrigate cracking agent slurry into periphery blasthole medicament pressure pipe and intermediate hole medicament pressure pipe respectively, and cover；
S7) the periphery blasthole medicament pressure pipe of capping and the distribution of intermediate hole medicament pressure pipe are inserted periphery blasthole and middle big gun
In the hole, the outer contour of the detritus pick a of periphery blasthole medicament pressure pipe is overlapped with tunnel excavation contour line；Intermediate hole medicament pressure
One direction of the detritus pick b of pipe is parallel with the free face of explosion, other direction is vertical with free face.
Described cracking agent is static breaking agent, and composition includes quick lime, described cracking agent slurry composition include quick lime and
Water.
The invention has the beneficial effects as follows：Slip combined static medicine pressure pipe pick is rigidly connected with inner and outer ring pressure pipe, cuts
Tooth concentrates detritus, flexible rest stationary positioned, and slidably, attachment structure is simple, processing ease for inner and outer rings pressure pipe ball, real
Now orientation detritus, tunnel contour forming, driving detritus efficiency high, short time limit, low cost, safe and efficient.
Brief description
The present invention has accompanying drawing 7 width.
Fig. 1 is periphery blasthole medicament pressure pipe structure chart；
Fig. 2 is outer shroud pressure pipe a structure chart；
Fig. 3 is internal ring pressure pipe a structure chart；
Fig. 4 is intermediate hole medicament pressure pipe structure chart；
Fig. 5 is outer shroud pressure pipe b structure chart；
Fig. 6 is internal ring pressure pipe b structure chart；
Fig. 7 is periphery blasthole medicament pressure pipe and intermediate hole medicament pressure pipe scattergram during static blasting.
In figure reference is as follows：1.1st, blasthole a, 1.2, blasthole b, 2.1, slide rail a, 2.2, slide rail b, 3.1, outer shroud pressure pipe
A, 3.2, outer shroud pressure pipe b, 4.1, internal ring pressure pipe a, 4.2, internal ring pressure pipe b, 5.1, spill guide-track groove a, 5.2, spill guide-track groove b,
6.1st, groove closure a, 6.2, groove closure b, 7.1, detritus pick a, 7.2, detritus pick b, 8, flexible rest, 9.1, ball bottom
Seat a, 9.2, ball base b, 10.1, slide rail closure a, 10.2, slide rail closure b, 11.1, ball a, 11.2, ball b.
Specific embodiment
The present invention will be further described for 1-7 below in conjunction with the accompanying drawings：
City shallow embedding rock stratum tunnel static blasting construction blasthole medicament pressure pipe, including periphery blasthole medicament pressure pipe and middle big gun
Hole medicament pressure pipe；
Described periphery blasthole medicament pressure pipe includes, outer shroud pressure pipe a3.1 and internal ring pressure pipe a4.1 being slidably connected therewith, outward
Ring pressure pipe a3.1 constitutes the concentric circumferences of closing with internal ring pressure pipe a4.1, and described internal ring pressure pipe a4.1 passes through slide rail a2.1 and outer shroud
Pressure pipe a3.1 is slidably connected, and described slide rail a2.1 is provided with some ball base a9.1, and ball base a9.1 installs ball
A11.1, outer shroud pressure pipe a3.1 is provided with the spill guide-track groove a5.1 for coordinating ball a11.1 to roll, two detritus picks
A7.1 is respectively symmetrically on the outer splenium being distributed in outer shroud pressure pipe a3.1 and internal ring pressure pipe a4.1, described two detritus pick a7.1 two
Side is respectively symmetrically and flexible rest 8 is distributed with；
Described intermediate hole medicament pressure pipe includes, outer shroud pressure pipe b3.2 and internal ring pressure pipe b4.2 being slidably connected therewith, outward
Ring pressure pipe b3.2 constitutes the concentric circumferences of closing with internal ring pressure pipe b4.2, and described internal ring pressure pipe b4.2 passes through two of symmetric design
Slide rail b2.2 is slidably connected with outer shroud pressure pipe b3.2, and each described slide rail b2.2 is provided with some ball base b9.2, ball base
Ball b11.2 is installed on b9.2, outer shroud pressure pipe b3.2 is provided with the spill guide-track groove b5.2 for coordinating ball b11.2 to roll,
Be rigidly connected on the outer splenium of described outer shroud pressure pipe b3.2 and internal ring pressure pipe b4.2 symmetrical four detritus pick b7.2.
Described slide rail a2.1 end is provided with slide rail closure a10.1, and described slide rail b2.2 end is provided with slide rail closure b10.2.
Described spill guide-track groove a5.1 end is provided with groove closure a6.1, and described spill guide-track groove b5.2 end is provided with groove
Closure b6.2.
The length of described detritus pick a7.1 and detritus pick b7.2 is 10-12mm.
Described spill guide-track groove a5.1 section is U-shaped, depth 3-5mm, and described depth is less than outer shroud pressure pipe a3.1 wall thickness
1/3, described spill guide-track groove b5.2 section is U-shaped, depth 3-5mm, and described depth is less than the 1/3 of outer shroud pressure pipe b3.2 wall thickness.
Described slide rail a2.1 stroke is the 1/3-1/2 of blasthole a1.1 diameter, and described slide rail b2.2 stroke is that blasthole b1.2 is straight
The 1/3-1/2 in footpath.
The length 2-4mm shorter than detritus pick a7.1 length of described flexibility rest 8.
Described ball base a9.1, ball a11.1 quantity are four, and described ball base b9.2, ball b11.2 quantity are
Four.
City shallow embedding rock stratum tunnel static blasting construction method, comprises the steps：
S1) arrange drilling boring according to the geological conditions and hardness of country rock；
S2) the boring that each drilling is terminated, carries out clearing up landwaste and the rubble of in the hole；
S3) according to a static blasting construction area, periphery blasthole and intermediate hole are determined；
S4) determine cracking agent consumption, prepare cracking agent slurry；According to static blasting construction area drilling hole amount, a depth
Degree calculates the consumption of cracking agent, water and additive, according to ratio and consumption by cracking agent, water and additive mixing and stirring,
Form even slurry；
S5) assemble, tie up outer shroud pressure pipe a3.1 and internal ring pressure pipe a4.1 of fixing periphery blasthole medicament pressure pipe, and middle
Outer shroud pressure pipe b3.2 of blasthole medicament pressure pipe and internal ring pressure pipe b4.2；Fixation is tied up by low-intensity iron wire, bottom adopts plastics
Latch is connected with steel base, and preventing and treating cracking agent slurry is excessive；
S6) irrigate cracking agent slurry into periphery blasthole medicament pressure pipe and intermediate hole medicament pressure pipe respectively, and cover；With
Irrigate in pressure pipe in one region, continuous pouring slurry in same pressure pipe simultaneously, full irrigation pressure pipe, after the completion of perfusion, the mouth of pipe adopts
Plastic plug is connected with steel lid envelope, and preventing and treating cracking agent slurry is blurted out；
S7) the periphery blasthole medicament pressure pipe of capping and the distribution of intermediate hole medicament pressure pipe are inserted periphery blasthole and middle big gun
In the hole, the outer contour of the detritus pick a7.1 of periphery blasthole medicament pressure pipe is overlapped with tunnel excavation contour line；Intermediate hole medicine
One direction of the detritus pick b7.2 of agent pressure pipe is parallel with the free face of explosion, other direction is vertical with free face.Confirm
Behind direction, using loess stemming, blasthole is blocked, closure length is not less than 30cm；
Described cracking agent is static breaking agent, and composition includes quick lime, described cracking agent slurry composition include quick lime and
Water.Add cracking agent and water in described periphery blasthole medicament pressure pipe, cracking agent occurs chemical reaction, volumetric expansion with water, makes
Obtain internal ring pressure pipe to extend out along slide rail, detritus pick enters into blasthole wall rock interior, flexible support and blasthole contact internal walls, right
Static tube plays fixing and effect of contraction, located the rubble direction of detritus pick, realizes orientation detritus, according to default tunnel
Profile, arranges this periphery blasthole medicament pressure pipe at contour edge, and adjusts the rubble direction of detritus pick, so, detritus
Pick will carry out rubble operation along the rubble direction setting, and forms tunnel contour it is ensured that the accuracy of tunnel excavation profile.
Up to 40-60MPa, engineering rock mass intensity is about 10-30Mpa, detritus pick 7 to this periphery blasthole medicament pressure pipe in the hole maximum intensity
Presence considerably increase detritus stress concentration it will be apparent that enhancing static blasting detritus efficiency, improve tunnel boring efficiency,
Greatly shorten the driving duration, reduce tunnel piercing cost, there is safely and efficiently feature simultaneously.
The above is only the preferred embodiment of the present invention it is noted that ordinary skill people for the art
For member, on the premise of without departing from the technology of the present invention principle, some improvement and modification can also be made, these improve and modification
Also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of static blasting construction blasthole medicament pressure pipe in city shallow embedding rock stratum tunnel is it is characterised in that include periphery blasthole medicine
Agent pressure pipe and intermediate hole medicament pressure pipe；
Described periphery blasthole medicament pressure pipe includes, outer shroud pressure pipe a (3.1) and internal ring pressure pipe a (4.1) being slidably connected therewith, outward
Ring pressure pipe a (3.1) constitutes the concentric circumferences of closing with internal ring pressure pipe a (4.1), and described internal ring pressure pipe a (4.1) passes through slide rail a
(2.1) it is slidably connected with outer shroud pressure pipe a (3.1), described slide rail a (2.1) is provided with some balls base a (9.1), ball base a
(9.1) upper installation ball a (11.1), outer shroud pressure pipe a (3.1) is provided with the spill guide rail for coordinating ball a (11.1) to roll
Groove a (5.1), two detritus pick a (7.1) are respectively symmetrically the external pressure being distributed in outer shroud pressure pipe a (3.1) and internal ring pressure pipe a (4.1)
In portion, described two detritus pick a (7.1) both sides are respectively symmetrically and flexible rest (8) are distributed with；
Described intermediate hole medicament pressure pipe includes, outer shroud pressure pipe b (3.2) and internal ring pressure pipe b (4.2) being slidably connected therewith, outward
Ring pressure pipe b (3.2) constitutes the concentric circumferences of closing with internal ring pressure pipe b (4.2), and described internal ring pressure pipe b (4.2) passes through symmetric design
Two slide rail b (2.2) be slidably connected with outer shroud pressure pipe b (3.2), each described slide rail b (2.2) is provided with some ball base b
(9.2), ball base b (9.2) is upper installs ball b (11.2), and outer shroud pressure pipe b (3.2) is provided with for coordinating ball b (11.2)
Spill guide-track groove b (5.2) rolling, it is right that the outer splenium of described outer shroud pressure pipe b (3.2) and internal ring pressure pipe b (4.2) is rigidly connected
Four detritus pick b (7.2) claiming.
2. the static blasting of city according to claim 1 shallow embedding rock stratum tunnel construction blasthole medicament pressure pipe it is characterised in that
Described slide rail a (2.1) end is provided with slide rail closure a (10.1), and described slide rail b (2.2) end is provided with slide rail closure b (10.2).
3. the static blasting of city according to claim 1 shallow embedding rock stratum tunnel construction blasthole medicament pressure pipe it is characterised in that
Described spill guide-track groove a (5.1) end is provided with groove closure a (6.1), and described spill guide-track groove b (5.2) end is provided with groove envelope
Stifled b (6.2).
4. the static blasting of city according to claim 1 shallow embedding rock stratum tunnel construction blasthole medicament pressure pipe it is characterised in that
The length of described detritus pick a (7.1) and detritus pick b (7.2) is 10-12mm.
5. the static blasting of city according to claim 1 shallow embedding rock stratum tunnel construction blasthole medicament pressure pipe it is characterised in that
Described spill guide-track groove a (5.1) section is U-shaped, depth 3-5mm, and described depth is less than the 1/3 of outer shroud pressure pipe a (3.1) wall thickness,
Described spill guide-track groove b (5.2) section is U-shaped, depth 3-5mm, and described depth is less than the 1/3 of outer shroud pressure pipe b (3.2) wall thickness.
6. the static blasting of city according to claim 1 shallow embedding rock stratum tunnel construction blasthole medicament pressure pipe it is characterised in that
Described slide rail a (2.1) stroke is the 1/3-1/2 of blasthole a (1.1) diameter, and described slide rail b (2.2) stroke is that blasthole b (1.2) is straight
The 1/3-1/2 in footpath.
7. the static blasting of city according to claim 1 shallow embedding rock stratum tunnel construction blasthole medicament pressure pipe it is characterised in that
The length 2-4mm shorter than detritus pick a (7.1) length of described flexibility rest (8).
8. the static blasting of city according to claim 1 shallow embedding rock stratum tunnel construction blasthole medicament pressure pipe it is characterised in that
Described ball base a (9.1), ball a (11.1) quantity are four, and described ball base b (9.2), ball b (11.2) quantity are
Four.
9. the city shallow embedding rock stratum tunnel static blasting construction method based on blasthole medicament pressure pipe is it is characterised in that include as follows
Step：
S1) arrange drilling boring according to the geological conditions and hardness of country rock；
S2) the boring that each drilling is terminated, carries out clearing up landwaste and the rubble of in the hole；
S3) according to a static blasting construction area, periphery blasthole and intermediate hole are determined；
S4) determine cracking agent consumption, prepare cracking agent slurry；
S5) assemble, tie up outer shroud pressure pipe a (3.1) and internal ring pressure pipe a (4.1) of fixing periphery blasthole medicament pressure pipe, and middle
Outer shroud pressure pipe b (3.2) of blasthole medicament pressure pipe and internal ring pressure pipe b (4.2)；
S6) irrigate cracking agent slurry into periphery blasthole medicament pressure pipe and intermediate hole medicament pressure pipe respectively, and cover；
S7) the periphery blasthole medicament pressure pipe of capping and the distribution of intermediate hole medicament pressure pipe are inserted periphery blasthole and intermediate hole
Interior, the outer contour of detritus pick a (7.1) of periphery blasthole medicament pressure pipe is overlapped with tunnel excavation contour line；Intermediate hole medicine
One direction of detritus pick b (7.2) of agent pressure pipe is parallel with the free face of explosion, other direction is vertical with free face.
10. the city shallow embedding rock stratum tunnel static blasting construction method based on blasthole medicament pressure pipe according to claim 9,
It is characterized in that, described cracking agent is static breaking agent, and composition includes quick lime, and described cracking agent slurry composition includes quick lime
And water.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611184983.4A CN106440984B (en) | 2016-12-20 | 2016-12-20 | City shallow embedding rock stratum tunnel static blasting construction blasthole medicament pressure pipe and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611184983.4A CN106440984B (en) | 2016-12-20 | 2016-12-20 | City shallow embedding rock stratum tunnel static blasting construction blasthole medicament pressure pipe and construction method |
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| Publication Number | Publication Date |
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| CN106440984A true CN106440984A (en) | 2017-02-22 |
| CN106440984B CN106440984B (en) | 2018-03-16 |
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| CN201611184983.4A Active CN106440984B (en) | 2016-12-20 | 2016-12-20 | City shallow embedding rock stratum tunnel static blasting construction blasthole medicament pressure pipe and construction method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420104A (en) * | 2017-06-09 | 2017-12-01 | 中铁建大桥工程局集团第五工程有限公司 | The horizontal prebored hole static blasting excavation construction method of shallow tunnel super-large diameter |
| CN109296378A (en) * | 2018-10-23 | 2019-02-01 | 中交二航局第二工程有限公司 | Hidden hole drilling cooperates quartering hammer digging excavation construction method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04293893A (en) * | 1991-03-22 | 1992-10-19 | Fujita Corp | Controlled blasting method of base rock tunnel |
| CN1176377A (en) * | 1996-09-08 | 1998-03-18 | 黄凤扬 | Calcination demolition method for marble and limestone and its blasthole plug and demolition liquid |
| CN101871752A (en) * | 2010-06-28 | 2010-10-27 | 黄义干 | Hydraulic static blasting expansion tube |
| CN103376032A (en) * | 2012-04-12 | 2013-10-30 | 周思明 | Hydraulic rock blaster |
-
2016
- 2016-12-20 CN CN201611184983.4A patent/CN106440984B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04293893A (en) * | 1991-03-22 | 1992-10-19 | Fujita Corp | Controlled blasting method of base rock tunnel |
| CN1176377A (en) * | 1996-09-08 | 1998-03-18 | 黄凤扬 | Calcination demolition method for marble and limestone and its blasthole plug and demolition liquid |
| CN101871752A (en) * | 2010-06-28 | 2010-10-27 | 黄义干 | Hydraulic static blasting expansion tube |
| CN103376032A (en) * | 2012-04-12 | 2013-10-30 | 周思明 | Hydraulic rock blaster |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420104A (en) * | 2017-06-09 | 2017-12-01 | 中铁建大桥工程局集团第五工程有限公司 | The horizontal prebored hole static blasting excavation construction method of shallow tunnel super-large diameter |
| CN109296378A (en) * | 2018-10-23 | 2019-02-01 | 中交二航局第二工程有限公司 | Hidden hole drilling cooperates quartering hammer digging excavation construction method |
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| Publication number | Publication date |
|---|---|
| CN106440984B (en) | 2018-03-16 |
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