CN105890475A - Underpass superhighway tunnel trunk excavation static blasting construction method - Google Patents
Underpass superhighway tunnel trunk excavation static blasting construction method Download PDFInfo
- Publication number
- CN105890475A CN105890475A CN201610433605.9A CN201610433605A CN105890475A CN 105890475 A CN105890475 A CN 105890475A CN 201610433605 A CN201610433605 A CN 201610433605A CN 105890475 A CN105890475 A CN 105890475A
- Authority
- CN
- China
- Prior art keywords
- tunnel
- excavation
- static
- underpass
- construction method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to a tunnel blasting excavation method, in particular to an underpass superhighway tunnel trunk excavation static blasting construction method. Trunk excavation and support include the following steps of pilot tunnel ahead ductile grouting pre-supporting, left or right pilot tunnel upper half section excavation, left or right pilot tunnel upper half section preliminary supporting, left or right pilot tunnel lower half section excavation, left or right pilot tunnel lower half section preliminary supporting, main tunnel ahead ductile grouting pre-supporting, main tunnel upper annular excavation, main tunnel arch pre-supporting, main tunnel middle core soil excavation, main tunnel inverted arch partial excavation, main tunnel inverted arch pre-supporting, main tunnel inverted arch pouring, and using a static blasting method for construction. By means of the underpass superhighway tunnel trunk excavation static blasting construction method, damage to tunnel preliminary supporting and the adverse effect on stratum by blasting vibration are reduced, existing structures are protected, and safety production is achieved.
Description
Technical field
The present invention relates to a kind of tunnel blasting excavation method, specifically, relate to a kind of underpass of freeways Tunnel
Body excavation static(al) blasting construction method.
Background technology
Explosive blasting technology is the most highly developed now, energy hole just right that explosive can be produced by it, makes him
Technical ability reaches predetermined explosion purpose, can control the slungshot, shock wave and the sound that produce during explosive charge preferably again
In the range of, also it is current topmost blasting demolishing method.But some from Adjacent Buildings very close to, can not produce big
The place of vibrations, makes to blow up with dynamite and exists for bigger risk.Therefore a kind of safety and reliability is needed under these particular surroundings
Method for dismounting.
The principle of static(al) blasting technology is: after artificial pore-creating, makes rock spalling, produces and split under the effect of static(al) blasting agent
Seam, less by pneumatic pick solution, abolish reach excavate purpose.Therefore, quiet quick-fried product directly affects Blasting Excavation effect.
The Cracking Mechanism of static(al) blasting agent:
1. the mechanism that static(al) blasting agent carries out crushing is different from explosive Cracking Mechanism, it mainly by cracking agent be broken internal
Occur slowly chemical reaction and physical change and make grain deformation, temperature raise, volumetric expansion so that being gradually increased hole wall
Quiet bulbs of pressure effect, make medium produce be full of cracks and disintegrate, static(al) expand crush method also referred to as static(al) compels to split and Static crushing skill
Art.
2. the tensile strength of the fragility such as rock or concrete medium is much smaller than its compression strength, and the tensile strength of rock is about
5～10Mpa, the tensile strength of concrete be about the bulbs of pressure of 20～60Mpa. usual soundless cracking agents up to 30～
50Mpa, when the static(al) blasting agent in big gun hole plays a role, big gun hole surrounding medium produces circumference tension, when tensile stress value surpasses
When crossing the tensile strength of medium, just producing crack between big gun hole, along with the increase of the bulbs of pressure, crack is progressively extended to crack,
Then dielectric breakdown is caused.
3. static(al) blasting agent is with special silicate, calcium oxide as primary raw material, coordinates other organic and inorganic additives
And the flour made, typical chemical equation is:
CaO+H2O → Ca (OH) 2+6.5 × 104 J
CaO calcium oxide in formula；H2O water
Ca (OH) 2 calcium hydroxide；J is burnt (thermal unit)
When calcium oxide becomes calcium hydroxide, its crystal is changed into multiple tripartite's scalenohedron by cubic crystal, this crystal
Convert, the expansion of crystal volume can be caused.According to mensuration, on the premise of free wxpansion, reacted volume can increase by 3～4
Times, its surface area also increases nearly 100 times, and the most every mol also discharges the heat of 6.5 × 10 J.If it is injected
In big gun hole, this expansion is retrained by hole wall, and pressure can rise to 50Mpa, and medium can produce footpath under this pressure effect
To compression stress and tangential tensile stress.
Construction technology process is not reasonable, causes the destruction to Tunnel, and it is unfavorable that stratum is produced by blasting vibration
Impact is difficult to control to.
And key points for operation 4.
Reply construction of buildings, character, operating environment, quantities, degree of crushing, construction period, weather conditions, configuration before broken
Bar gauge and cloth muscle situation carry out probe；For catalase it should be understood that rock property, joint, trend and underground water
Situation.Drilling parameter, distribution of boreholes and broken order then need the actual conditions according to broken object, and (material kind, reinforcing bar are joined
Put situation, rock proterties, the broken or lumpiness etc. of cutting) determine.
Summary of the invention
For above-mentioned deficiency of the prior art, the present invention provides a kind of minimizing destruction to Tunnel and explosion
The vibration adverse effect to stratum, protects existing structure thing, it is achieved the underpass of freeways tunnel trunk excavation of safety in production is quiet
Power blasting construction method.
The technical solution used in the present invention is:
A kind of underpass of freeways tunnel trunk excavation static(al) blasting construction method, tunnel cutting, supporting comprise the steps:
A, pilot tunnel advanced conduit slip casting pre support；
Half section excavation on b, left or right side pilot tunnel；
C, the pilot tunnel upper half section preliminary bracing of left or right side；
Half section excavation under d, left or right side pilot tunnel；
E, the pilot tunnel lower half section preliminary bracing of left or right side；
F, main hole advanced conduit slip casting pre support；
G, main hole upper, annular are excavated；
H, the arch preliminary bracing of main hole；
I, main hole central core soil excavate；
J, main hole inverted arch part are excavated；
K, the inverted arch preliminary bracing of main hole；
L, pour into a mould main hole inverted arch；
M, lay splash guard, use mould of formwork jumbo tunneling boring to build quadratic lining cement.
Use static(al) blasting.
Described static(al) blasting comprises the steps:
A, design cloth hole and boring；
(1) data exploration and collection；
(2) design cloth hole；First having to determine at least more than one free face before cloth hole, boring direction is parallel with free face；
(3) boring；
B, powder charge；
C, medicament react.
Bore diameter uses the drill bit of 38-50mm, and in boring, remaining water and recrement application high-pressure blast purging are clean, by aperture
Clean without soil rock ballast.
Drilling depth 1-2m；Shot depth is the 100% of hole depth.
Downward and downward-sloping eyelet, powder charge step is as follows:
Adding percentage by weight in a medicament is: after the water of 22-32% mixes liquid state, in pouring hole into rapidly and guarantee medicament
Dense state it is in hole；When boring is filled out in medication package, reality should be disclosed one by one.
Horizontal direction and the boring of upward direction, powder charge step is as follows:
With the high-strength long fibered paper more smaller than bore diameter packed enter medicament, by the powder stick quantity required for an operation circulation,
Be placed in basin, pour clean water into and be completely soaked, 30-50 second powder stick is sufficiently humidified so as to, the most not effervescent time, take out powder stick from hole
The end, starts to load one by one and disclose tightly, is loaded into aperture densely.
After rock just ftractures, add water in crack.
In medicament reaction, mixing water temperature controls below 15 DEG C；
Controlling the method in medicament reaction time is: adds inhibitor in mixing water or strictly controls mixing water, dry powder pharmaceutical
Temperature with rock；Inhibitor is sodium gluconate retarder.
Inhibitor is put in the mixing water soaking medicament.
Inhibitor addition is the 0.5%-6% of mixing water.
The beneficial effect of hinge structure of the present invention:
Underpass of freeways tunnel trunk of the present invention excavation static(al) blasting construction method, can abolish and not possess conventional blasting method condition and open
The rock mass in tunnel dug, reduces the destruction to Tunnel and the blasting vibration adverse effect to stratum, protects existing structure
Thing, it is achieved safety in production, has more vast potential for future development.
Accompanying drawing explanation
Fig. 1 is the construction process figure of underpass of freeways tunnel trunk of the present invention excavation static(al) blasting construction method；
V grade of country rock sequence of excavation figure of Fig. 2 underpass of freeways of the present invention tunnel trunk excavation static(al) blasting construction method；
V grade of country rock working procedure plane of Fig. 3 underpass of freeways of the present invention tunnel trunk excavation static(al) blasting construction method
Figure；
Wear V grade of country rock of Tang Jingao section under Fig. 4 underpass of freeways of the present invention tunnel trunk excavation static(al) blasting construction method to execute
Static(al) blasting boreholes figure；
V grade of country rock of Tang Jingao section is worn big under Fig. 5 underpass of freeways of the present invention tunnel trunk excavation static(al) blasting construction method
Guan Peng operating room executes static(al) blasting boreholes figure.
Critical piece symbol description in accompanying drawing:
In figure:
1, get out of a predicament or an embarrassing situation in secondary lining 2, main hole
3, in main hole, top bar in step 4, main hole
5, side pilot tunnel tops bar 6, side pilot tunnel gets out of a predicament or an embarrassing situation 6
7, side pilot tunnel is topped bar
41, snubber region 42, snubber spacing
43, reliever 44, reliever spacing
45, periphery hole 46, perimeter shothole spacing
In figure, the direction of arrow is tunneling direction.
Detailed description of the invention
Referring to the drawings and embodiment the present invention will be described in detail:
Accompanying drawing 1-5 understands, and a kind of underpass of freeways tunnel trunk excavation static(al) blasting construction method, tunnel cutting, supporting are executed
Following the principle of " short drilling depth, weak blast, few disturbance, early spray anchor, diligent measurement, tightly close " in work, the whole country rock in this tunnel is all adopted
Country rock excavation is carried out with two side-wall pilot tunnel.Every section of tunnel of Tang Jin high regime drilling depth controls in 0.8-1.0m scope.
V grade of tunnel country rock excavation
1. V level country rock sequence of excavation is shown in Fig. 1.
2. excavation, supporting order are described as follows:
Tunnel cutting, supporting comprise the steps:
A, pilot tunnel advanced conduit slip casting pre support；
Half section excavation on b, left or right side pilot tunnel；
C, the pilot tunnel upper half section preliminary bracing of left or right side；The pilot tunnel upper half section preliminary bracing of left or right side includes: extension bar-mat reinforcement,
Radial conduit supporting, installation steel arch-shelf, pneumatically placed concrete.
Half section excavation under d, left or right side pilot tunnel；
E, the pilot tunnel lower half section preliminary bracing of left or right side；The pilot tunnel lower half section preliminary bracing of left or right side includes: extension bar-mat reinforcement,
Radial conduit supporting, installation steel arch-shelf, pneumatically placed concrete.
F, the advanced conduit in main hole (pipe canopy) slip casting pre support；
G, main hole upper, annular are excavated；
H, the arch preliminary bracing of main hole；The arch preliminary bracing of main hole includes: hang bar-mat reinforcement, radial conduit supporting, install steel arch-shelf,
Pneumatically placed concrete.
I, main hole central core soil excavate；
J, main hole inverted arch part are excavated；
K, the inverted arch preliminary bracing of main hole；The inverted arch preliminary bracing of main hole includes: install steel arch-shelf, pneumatically placed concrete.
L, pour into a mould main hole inverted arch；
M, lay splash guard, use mould of formwork jumbo tunneling boring to build quadratic lining cement.
2, underpass of freeways tunnel trunk excavates static(al) blasting construction method according to claim 1, and its feature exists
In: use static(al) blasting.
3, underpass of freeways tunnel trunk excavates static(al) blasting construction method according to claim 2, and its feature exists
In: described static(al) blasting comprises the steps:
A, design cloth hole and boring；
(1) data exploration and collection；
Reply construction of buildings, character, operating environment, quantities, degree of crushing, construction period, weather conditions, configuration before broken
Bar gauge and cloth muscle situation carry out probe；For catalase it should be understood that rock property, joint, trend and underground water
Situation.Drilling parameter, distribution of boreholes and broken order then need the actual conditions according to broken object, and (material kind, reinforcing bar are joined
Put situation, rock proterties, the broken or lumpiness etc. of cutting) determine.
(2) design cloth hole；
First having to determine at least more than one free face before cloth hole, boring direction is parallel with free face；
Free face (scope of freedom) is the most, and it is the biggest that unit breaks stone amount, and economic benefit is the highest.Cut during rock (or concrete) same
One row hole drilling should keep in one plane as far as possible.The size of pitch-row and array pitch and formation hardness, concrete strength and cloth muscle
Having direct relation, when hardness is the biggest, concrete strength is the highest, the close reinforcing bar of cloth muscle is thick, pitch-row is the least with array pitch, otherwise then big, hole
Arrange away from array pitch, see table:
Table 1 pitch-row and array pitch simply arrange table
| Formation hardness | F=4 | F=6 | F=8 | F=12 | Element concrete | Reinforced concrete |
| Pitch-row (CM) | 50--100 | 40 | 30 | 20 | 30 | 20 |
| Array pitch (CM) | 80 | 50 | 40 | 30 | 40 | 30 |
(3) boring；
B, powder charge；
C, medicament react.
Bore diameter and crushing effect have direct relation, hole too small, are unfavorable for that medicament gives full play to effect；Boring is too
Greatly, aperture is difficult to block.Described bore diameter uses the drill bit of 38-50mm, remaining water and recrement application high pressure wind in boring
Wash clean, aperture is other clean without soil rock ballast.
Drilling depth 1-2m；Shot depth is the 100% of hole depth.
Downward and downward-sloping eyelet, powder charge step is as follows:
Adding percentage by weight in a medicament is: the water (concrete amount of water is determined by granular size) of 22-32% mixes liquid state
After, in pouring hole into rapidly and guarantee that medicament is in dense state in hole；
When boring is filled out in medication package, reality should be disclosed one by one.
Horizontal direction and the boring of upward direction, powder charge step is as follows:
With the high-strength long fibered paper more smaller than bore diameter packed enter medicament, by the powder stick quantity required for an operation circulation,
Be placed in basin, pour clean water into and be completely soaked, 30-50 second powder stick is sufficiently humidified so as to, the most not effervescent time, take out powder stick from hole
The end, starts to load one by one and disclose tightly, is loaded into aperture densely.I.e. " concentrate and soak, be thoroughly impregnated with, load one by one, smash respectively
Real ".
After rock just ftractures, add water in crack.Support medicament sustained response, to obtain more preferable effect.
Load medicament the most every time, will observe and determine whether rock, medicament, the temperature of mixing water meet the requirements.Filling
During, in having begun to occur the medicament (performance starts to steam and temperature rapid increase) of chemical reaction not allow load hole.
Add mixing water from medicament and not can exceed that five minutes to filling end, the time of this process.
The speed of medicament reaction has direct relation with temperature, and temperature is the highest, and the reaction time is the fastest, otherwise the slowest.Actual
In operation, controlling medicament reaction time the fastest method has two kinds, and one is addition inhibitor in mixing water.Another kind of method
It is strictly to control mixing water, dry powder pharmaceutical and the temperature of rock (or concrete).Summer temperature is higher, and broken front reply is broken
Thing blocks, and medicament is deposited low temperature and entered, it is to avoid tan by the sun.
In medicament reaction, mixing water temperature controls below 15 DEG C；
Controlling the method in medicament reaction time is: adds inhibitor in mixing water or strictly controls mixing water, dry powder pharmaceutical
Temperature with rock (or concrete)；
Medicament (volume) reaction time too fast easy generation punching casualty accident, the inhibitor of available delayed response time.
Inhibitor is put in the mixing water soaking medicament (volume).
Add winter and inspire agent and improve mixing water temperature.Mix and stir that water temperature is the highest may not exceed 50 DEG C.Reaction time is general
Controlling at 30-60 minute preferably, the reaction time can be shortened according to actual conditions in job site, is beneficial to construction.
Table 2 static(al) blasting agent cloth hole design parameter table
| Broken target | Hole depth: L | Adjacent holes is away from a (cm) | Array pitch: b | Aperture: d (mm) | Usage amount kg/m3 |
| Soft rock | 1.0H | 40--100 | (0.6-0.9)a | 38--50 | 5--10 |
| Middle hardness rock | 1.05H | 30--40 | (0.6-0.9)a | 38--50 | 12--22 |
| Hard granite | 1.05H | 25--40 | 30--80 | 38--50 | 18--25 |
| Stone material cuts | 0.9H | 20--40 | (0.6-0.9)a | 38--50 | 12--18 |
| Plain concrete | 0.8H | 20--30 | (0.6-0.9)a | 38--50 | 12--18 |
| Armored concrete | 0.9H | 15--30 | (0.6-0.9)a | 38--50 | 18--25 |
After inhibitor addition is the artificial pore-creating of 0.5%-6% of mixing water, make under the effect of static(al) blasting agent rock spalling,
Produce crack, less by pneumatic pick solution, abolish reach excavate purpose.Therefore, quiet quick-fried product directly affects Blasting Excavation effect.
Drum tower tunnel V level country rock Xia Chuan Tang Jin high regime static(al) blasting hole diameter 50mm, perimeter shothole spacing 25cm, slotting
Eye spacing 30cm, reliever spacing 40cm, journey plum blossom-shaped layout, layout drawing is shown in accompanying drawing 4, Fig. 5.
VI refers to arch advanced conduit construction section, 1 right side left with 1 be outside profile, radial extension construction section.
Drilling depth selects according to construction requirement, at 1-2m.Shot depth is the 100% of hole depth.Brill is filled out in medication package
Kong Shi, should disclose reality one by one.Coarse granule medicament water ash percentage by weight is adjusted to the mobility of static fracturing agents during 22%-25%
Preferably, fine powder medicament water ash weight ratio mobility when about 32% is preferable.Downward filling tamping is more convenient, uses " by upper
Arriving down, layering is broken " form of construction work, facilitate operative.
When the static(al) blasting agent in big gun hole plays a role, big gun hole surrounding medium produces circumference tension, works as tensile stress value
When exceeding the tensile strength of medium, just producing crack between big gun hole, along with the increase of the bulbs of pressure, crack is progressively extended to split
Seam, then causes dielectric breakdown, carries out rock mass and abolish, in order to complete the excavation work of tunnel trunk.
Xia Chuan Tang Jin high regime V level country rock static(al) blasting boreholes is arranged as shown in Figure 4, in figure,
1, bore diameter is 50mm.
2, perimeter shothole spacing is 0.25m, snubber spacing 0.3m, reliever spacing 0.4m.
3, blasting sequence divides seven constructions according to V level country rock two side-wall pilot tunnel.
4, snubber 60, periphery hole 186, reliever 1106,1352 altogether.
Xia Chuan Tang Jin high regime V level country rock steel tube shed operating room static(al) blasting boreholes is arranged as it is shown in figure 5, in figure,
1, bore diameter is 50mm.
2, perimeter shothole spacing is 0.25m, snubber spacing 0.3m, reliever spacing 0.4m.
3, blasting sequence divides seven constructions according to V level country rock two side-wall pilot tunnel.
4, snubber 60, periphery hole 192, reliever 1180,1432 altogether.
Fig. 4 is the V common section of level country rock, and Fig. 5 is V level country rock Guan Peng operating room, namely the location of steel tube shed in construction hole,
Section is bigger than common section.
The present invention has substantive distinguishing features and significant technological progress, the underpass of freeways tunnel trunk excavation of the present invention
Static(al) blasting construction method has can abolish the rock mass in tunnel not possessing conventional blasting method condition excavation, is to reduce at the beginning of tunnel
The destruction of phase supporting and the blasting vibration adverse effect to stratum, protect existing structure thing, it is achieved safety in production, has the most wide
Development prospect.
Embodiments above is used for illustrative purposes only, rather than limitation of the present invention, about the technology of technical field
Personnel, without departing from the spirit and scope of the present invention, it is also possible to make various conversion or change.Therefore, all etc.
Same technical scheme page should belong to scope of the invention, should be limited by each claim.
Claims (10)
1. a underpass of freeways tunnel trunk excavation static(al) blasting construction method, it is characterised in that tunnel cutting, supporting bag
Include following steps:
A, pilot tunnel advanced conduit slip casting pre support；
Half section excavation on b, left or right side pilot tunnel；
C, the pilot tunnel upper half section preliminary bracing of left or right side；
Half section excavation under d, left or right side pilot tunnel；
E, the pilot tunnel lower half section preliminary bracing of left or right side；
F, main hole advanced conduit slip casting pre support；
G, main hole upper, annular are excavated；
H, the arch preliminary bracing of main hole；
I, main hole central core soil excavate；
J, main hole inverted arch part are excavated；
K, the inverted arch preliminary bracing of main hole；
L, pour into a mould main hole inverted arch；
M, lay splash guard, use mould of formwork jumbo tunneling boring to build quadratic lining cement.
Underpass of freeways tunnel trunk excavation static(al) blasting construction method the most according to claim 1, it is characterised in that: adopt
Use static(al) blasting.
Underpass of freeways tunnel trunk excavation static(al) blasting construction method the most according to claim 2, it is characterised in that: institute
State static(al) blasting to comprise the steps:
A, design cloth hole and boring；
(1) data exploration and collection；
(2) design cloth hole；First having to determine at least more than one free face before cloth hole, boring direction is parallel with free face；
(3) boring；
B, powder charge；
C, medicament react.
Underpass of freeways tunnel trunk excavation static(al) blasting construction method the most according to claim 3, it is characterised in that: bore
Bore dia uses the drill bit of 38-50mm, and in boring, remaining water and recrement application high-pressure blast purging are clean, and aperture is other clean without soil stone
Slag.
Underpass of freeways tunnel trunk excavation static(al) blasting construction method the most according to claim 3, it is characterised in that: bore
Hole depth 1-2m；Shot depth is the 100% of hole depth.
Underpass of freeways tunnel trunk excavation static(al) blasting construction method the most according to claim 3, it is characterised in that: to
Lower and downward-sloping eyelet, powder charge step is as follows:
Adding percentage by weight in a medicament is: after the water of 22-32% mixes liquid state, in pouring hole into rapidly and guarantee medicament
Dense state it is in hole；When boring is filled out in medication package, reality should be disclosed one by one.
Underpass of freeways tunnel trunk excavation static(al) blasting construction method the most according to claim 3, it is characterised in that: water
Square to the boring with upward direction, powder charge step is as follows:
With the high-strength long fibered paper more smaller than bore diameter packed enter medicament, by the powder stick quantity required for an operation circulation,
Be placed in basin, pour clean water into and be completely soaked, 30-50 second powder stick is sufficiently humidified so as to, the most not effervescent time, take out powder stick from hole
The end, starts to load one by one and disclose tightly, is loaded into aperture densely.
8., according to underpass of freeways tunnel trunk excavation static(al) blasting construction method described in claim 6 or 7, its feature exists
In: after rock just ftractures, add water in crack.
Underpass of freeways tunnel trunk excavation static(al) blasting construction method the most according to claim 3, it is characterised in that:
In medicament reaction, mixing water temperature controls below 15 DEG C；
Controlling the method in medicament reaction time is: adds inhibitor in mixing water or strictly controls mixing water, dry powder pharmaceutical
Temperature with rock；
Inhibitor is put in the mixing water soaking medicament.
Underpass of freeways tunnel trunk excavation static(al) blasting construction method the most according to claim 9, it is characterised in that:
Inhibitor addition is the 0.5%-6% of mixing water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610433605.9A CN105890475A (en) | 2016-06-18 | 2016-06-18 | Underpass superhighway tunnel trunk excavation static blasting construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610433605.9A CN105890475A (en) | 2016-06-18 | 2016-06-18 | Underpass superhighway tunnel trunk excavation static blasting construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105890475A true CN105890475A (en) | 2016-08-24 |
Family
ID=56729508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610433605.9A Pending CN105890475A (en) | 2016-06-18 | 2016-06-18 | Underpass superhighway tunnel trunk excavation static blasting construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105890475A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060779A (en) * | 2017-04-19 | 2017-08-18 | 中建八局第三建设有限公司 | A kind of anti-cut construction method of narrow regions ultra-deep passage inclined shaft |
| CN107976130A (en) * | 2017-12-12 | 2018-05-01 | 中国冶集团有限公司 | The quick soundless cracking method of rock |
| CN108843327A (en) * | 2018-06-19 | 2018-11-20 | 武汉大学 | Tunnel cut shot method based on soundless cracking agent |
| CN109026017A (en) * | 2018-07-26 | 2018-12-18 | 重庆交通建设(集团)有限责任公司 | Tunnel excavation support safe construction method |
| CN110823031A (en) * | 2019-11-06 | 2020-02-21 | 国网辽宁省电力有限公司大连供电公司 | Blasting construction method for shallow tunnel |
| CN111912307A (en) * | 2020-07-23 | 2020-11-10 | 中交上海航道局有限公司 | Blasting excavation method of V-level surrounding rock large-section granite tunnel |
| CN112729035A (en) * | 2020-12-25 | 2021-04-30 | 上海二十冶建设有限公司 | Integral static blasting device for relatively complete rock stratum and construction method thereof |
| CN113203328A (en) * | 2021-05-28 | 2021-08-03 | 江汉大学 | Dynamic and static blasting combined forming method for tunnel excavation profile surface |
| CN113203329A (en) * | 2021-05-31 | 2021-08-03 | 中信建设有限责任公司 | Stone square static crushing method for ultra-large volume of mountain deep foundation pit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220868A (en) * | 2011-05-23 | 2011-10-19 | 重庆中环建设有限公司 | Urban shallow buried large-section tunnel five-step excavating method |
| CN102287195A (en) * | 2011-05-13 | 2011-12-21 | 中铁四局集团第二工程有限公司 | Construction method of large-span tunnel passing through rapid transit railway with shallow tunneling process |
| CN103234403A (en) * | 2013-04-24 | 2013-08-07 | 中国科学院武汉岩土力学研究所 | Static blasting construction method for highway tunnel |
| JP2016044901A (en) * | 2014-08-25 | 2016-04-04 | 株式会社フジタ | Blasting method |
-
2016
- 2016-06-18 CN CN201610433605.9A patent/CN105890475A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287195A (en) * | 2011-05-13 | 2011-12-21 | 中铁四局集团第二工程有限公司 | Construction method of large-span tunnel passing through rapid transit railway with shallow tunneling process |
| CN102220868A (en) * | 2011-05-23 | 2011-10-19 | 重庆中环建设有限公司 | Urban shallow buried large-section tunnel five-step excavating method |
| CN103234403A (en) * | 2013-04-24 | 2013-08-07 | 中国科学院武汉岩土力学研究所 | Static blasting construction method for highway tunnel |
| JP2016044901A (en) * | 2014-08-25 | 2016-04-04 | 株式会社フジタ | Blasting method |
Non-Patent Citations (2)
| Title |
|---|
| MANATEE9986: "静力爆破施工工法", 《百度文库LINK?URL=6QMAXBX88LFMXG7P4MQ2SC4JUM8UTCDQZWUIDMIU15THDZHNHRSQRXRL3VLP5QDWNUFCLKYXSCNVAPGHV82BNO17DRRTITXZJ2_LQVR-5GC》 * |
| WSQ大本营: "九峰隧道V级围岩专项施工方案", 《百度文库HTTP://WENKU.BAIDU.COM/LINK?URL=YDEPYGZ1PBVU7PKQ1EVBZO1OVBXUGI4JCEZSM4XSDIXLBNMLCHC6C13GA9GIBV9ZZJ3DLY7HG4KH9FFTRSYDU56TDCCP_RBMUNXSB4ANSYI》 * |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060779A (en) * | 2017-04-19 | 2017-08-18 | 中建八局第三建设有限公司 | A kind of anti-cut construction method of narrow regions ultra-deep passage inclined shaft |
| CN107976130A (en) * | 2017-12-12 | 2018-05-01 | 中国冶集团有限公司 | The quick soundless cracking method of rock |
| CN107976130B (en) * | 2017-12-12 | 2019-12-06 | 中国一冶集团有限公司 | quick and soundless rock breaking method |
| CN108843327A (en) * | 2018-06-19 | 2018-11-20 | 武汉大学 | Tunnel cut shot method based on soundless cracking agent |
| CN108843327B (en) * | 2018-06-19 | 2019-10-25 | 武汉大学 | Tunnel excavation method based on soundless cracking agent |
| CN109026017A (en) * | 2018-07-26 | 2018-12-18 | 重庆交通建设(集团)有限责任公司 | Tunnel excavation support safe construction method |
| CN110823031A (en) * | 2019-11-06 | 2020-02-21 | 国网辽宁省电力有限公司大连供电公司 | Blasting construction method for shallow tunnel |
| CN111912307A (en) * | 2020-07-23 | 2020-11-10 | 中交上海航道局有限公司 | Blasting excavation method of V-level surrounding rock large-section granite tunnel |
| CN111912307B (en) * | 2020-07-23 | 2022-09-09 | 中交上海航道局有限公司 | Blasting excavation method for V-level surrounding rock large-section granite tunnel |
| CN112729035A (en) * | 2020-12-25 | 2021-04-30 | 上海二十冶建设有限公司 | Integral static blasting device for relatively complete rock stratum and construction method thereof |
| CN113203328A (en) * | 2021-05-28 | 2021-08-03 | 江汉大学 | Dynamic and static blasting combined forming method for tunnel excavation profile surface |
| CN113203328B (en) * | 2021-05-28 | 2022-08-26 | 江汉大学 | Dynamic and static blasting combined forming method for tunnel excavation contour surface |
| CN113203329A (en) * | 2021-05-31 | 2021-08-03 | 中信建设有限责任公司 | Stone square static crushing method for ultra-large volume of mountain deep foundation pit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105890475A (en) | Underpass superhighway tunnel trunk excavation static blasting construction method | |
| CN101196117A (en) | Non-blasting digging method for tunnel and underground project | |
| CN105651132B (en) | Directional static blasting construction method for foundation pit stratum and combined guiding device for directional static blasting construction method | |
| CN107121037B (en) | Construction method for statically crushing stone | |
| CN104533418B (en) | A kind of underground coal mine deep hole static(al) that is used for breaks rock dust | |
| CN101256065B (en) | Safety rapid processing technique for strong to extremely strong rock burst | |
| CN103884247B (en) | Rock static blasting method | |
| CN103321653B (en) | Method of treating lining after collapse of underground cavern crown | |
| CN103603676B (en) | A kind of scraper laneway support method | |
| CN103485336A (en) | Drilling pile drilling construction method of bead-type karst area | |
| CN103526748A (en) | Technology for constructing deepwater bridge underwater pier large-diameter bored piles in bead-stringed type karst areas | |
| CN110344400A (en) | The hard rock pore-forming construction technology of churning driven opportunity | |
| CN203321531U (en) | Lining processing structure for underground cavern after collapse of top arch | |
| CN114472462B (en) | Underground-aboveground linkage coal gangue disposal system and disposal method | |
| CN109162298A (en) | A kind of construction method of hydrous fluids pipe gallery | |
| Xu et al. | Investigation of non-explosive expansion material in roof caving field application | |
| CN108756916A (en) | High intensity basement rock protrusion stratum shield construction method | |
| CN104990467A (en) | Digging pile hard rock section combined construction method | |
| CN103322414B (en) | A kind of method fast and safely excavating oil and gas pipes cubic meter of stone section repairing working pit | |
| CN105421462B (en) | The construction and guard method of ultimate soft rock ground | |
| CN104315251A (en) | Manual pipe jacking construction method for earth and rock combined geological conditions | |
| CN207317651U (en) | Stone slab static crushing structure | |
| CN105736000A (en) | Construction method for detaching shield forming tunnel zero ring duct pieces through static blasting | |
| CN114135119B (en) | Construction method for breaking open caisson blade foot concrete cushion by static expansion | |
| CN108221970A (en) | A kind of urban road under-traverse tunnel and city underground crossed construction technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160824 |
|
| RJ01 | Rejection of invention patent application after publication |