CN110344861A - The quick construction method of lithostratigraphy super-span underground engineering and its structure - Google Patents
The quick construction method of lithostratigraphy super-span underground engineering and its structure Download PDFInfo
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- CN110344861A CN110344861A CN201910732151.9A CN201910732151A CN110344861A CN 110344861 A CN110344861 A CN 110344861A CN 201910732151 A CN201910732151 A CN 201910732151A CN 110344861 A CN110344861 A CN 110344861A
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- 238000010276 construction Methods 0.000 title claims abstract description 27
- 239000011435 rock Substances 0.000 claims abstract description 90
- 206010044565 Tremor Diseases 0.000 abstract description 2
- 238000009412 basement excavation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/006—Lining anchored in the rock
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D13/00—Large underground chambers; Methods or apparatus for making them
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses lithostratigraphy super-span underground engineerings quickly to build structure, middle hole including running through core rock mass, the two sides in the middle hole are equipped with upper edge hole, rock pillar is equipped between the middle hole and upper edge hole, through equipped with interim transverse passage-way on the rock pillar, the lower section in the upper edge hole is equipped with lower edge hole, overlength anchor cable is equipped in the middle hole and upper edge hole roof rock mass, it is equipped with the interim anchor pole in middle hole in the palisades in the middle hole, is equipped with the interim anchor pole of the top Bian Dong rock pillar in the rock pillar palisades in the upper edge hole；The invention also discloses the quick construction methods of lithostratigraphy super-span underground engineering.The present invention can be achieved to excavate the more work surfaces of UNDERGROUND STRUCTURES simultaneously, quickly and safely formed Mass Near The Top of Underground Cavity country rock from steady stress circle, avoid cavern range top sillar sphenoid because excavation supporting not in time slump due to lead to the risk of cavern's shakiness.
Description
Technical field
The present invention relates to the quick sides of building of underground engineering technical field more particularly to lithostratigraphy super-span underground engineering
Method and its structure.
Background technique
China is the state on more mountains, and according to statistics, the area in mountainous region, hills and plateau accounts for the 69% of the national soil gross area, this
A little area stratum are mostly lithostratigraphy.National plains region lithostratigraphy is also widely distributed, and Extra-fine sand rock stratum is distributed mainly on
Yangtze Delta Plain and North Jiangsu Area；Fine sand rock stratum is distributed mainly on lane housing and TAI HU AREA；Sub- sandstone layer be sandstone and
A kind of rock stratum between gravel, is distributed mainly on Yangtze Delta Plain area, areas formerly flooded by the Huanghe River and region following the line of the sea.
With the development of national economy, underground space development is increasingly taken seriously.Underground space development can
To realize city spatial colonization, land utilization efficiency is improved；The Science & Technology Demands of construction can be pulled, underground engineering science and technology is pushed to produce
Industry transition and technological progress；It can establish perfect underground disaster prevention space system, strengthen the ability that country resists disaster and war.
The research how quickly and safely to realize that super-span underground engineering is built in lithostratigraphy is seldom, therefore, now needs
Design the quick construction method of lithostratigraphy super-span underground engineering and its structure.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and the lithostratigraphy super-span proposed
The quick construction method of lower engineering and its structure, it is therefore intended that the more work surfaces of UNDERGROUND STRUCTURES are excavated in realization simultaneously, quickly
Safely formed underground structure at the top of country rock from steady stress circle, avoid excavate range at the top of sillar sphenoid because supporting is collapsed not in time
Fall and cause the risk of underground structure shakiness.
To achieve the goals above, present invention employs following technical solutions:
Lithostratigraphy super-span underground engineering quickly builds structure, the middle hole including running through core rock mass, the middle hole
Two sides be equipped with upper edge hole, rock pillar is equipped between the middle hole and upper edge hole, it is interim horizontal through being equipped on the rock pillar
Channel, the lower section in the upper edge hole are equipped with lower edge hole, are equipped with overlength anchor in the middle hole and upper edge hole roof rock mass
Rope, the palisades in the middle hole are interior to be equipped with the interim anchor pole in middle hole, is equipped with the top Bian Dong rock pillar in the rock pillar palisades in the upper edge hole
Interim anchor pole, the core rock mass palisades in the lower edge hole are interior to be equipped with the interim anchor pole of side hole lower core rock mass.
Preferably, the upper edge hole and lower edge hole equivalent width.
Preferably, the width summation of the middle hole and rock pillar and core rock mass equivalent width.
Preferably, ramp is equipped at the interim transverse passage-way.
Preferably, the interim anchor pole in middle hole and the interim anchor pole of the top Bian Dong rock pillar are horizontally disposed.
The quick construction method of lithostratigraphy super-span underground engineering, comprising the following steps:
S1, rapid construction Zhong Dong, the interim anchor pole in middle hole and interim transverse passage-way, and hole top overlength anchor cable in construction simultaneously,
Rock mass above fixed structure；
With interim transverse passage-way and middle hole be channel of being unearthed after S2, the perforation of middle hole in the hole in, construction left and right sides upper edge hole with
Interim anchor pole, also construct simultaneously outside hole left and right sides upper edge hole and interim anchor pole are greatly interim branch with rock pillar across underground chamber
Support, construction upper edge hole top overlength anchor cable, fixed upper edge hole top rock mass；
After S3, the perforation of upper edge hole, interim transverse passage-way is excavated to cavern's floor level in hole, in hole with interim transverse passage-way with
Middle hole is channel of being unearthed, construction left and right sides lower edge hole and the interim anchor pole of side hole lower core rock mass, is also constructed simultaneously outside hole
Left and right sides lower edge hole and the interim anchor pole of side hole lower core rock mass, rock pillar is based on core rock mass；
S4, using interim transverse passage-way as working face, it is opposite to excavate rock mass within the scope of rock pillar, and overlength anchor at the top of rock pillar of constructing
Rope；
S5, core rock mass is excavated, applies secondary lining, form super-span underground structure.
Beneficial effects of the present invention:
The underground structure that need to be excavated is divided into middle hole, upper edge hole, lower edge hole, rock pillar, core rock mass, interim transverse passage-way
Six parts are formed temporarily with overlength anchor cable from steady stress circle, substep, layering, more work surfaces by the rock stratum at the top of underground structure
Realization is excavated quickly to build.
It can be used as excavation temporary support at the top of super-span underground structure by the way that rock pillar is arranged, be super at the top of Zhong Dong and side hole
Long anchor cable construction offer condition, interim transverse passage-way can construct simultaneously for the more work surfaces in side hole and provide condition, and middle hole leads to temporarily horizontal
Road can be used as the outer wan access of dregs in side hole, it can be achieved that super-span underground structure is quickly and safely built.
Detailed description of the invention
Fig. 1 is the cross-sectional configuration signal that super-span underground engineering in lithostratigraphy proposed by the present invention quickly builds structure
Figure；
Fig. 2 is the planar structure signal that super-span underground engineering in lithostratigraphy proposed by the present invention quickly builds structure
Figure；
Fig. 3 leads to for the middle hole that super-span underground engineering in lithostratigraphy proposed by the present invention quickly builds structure with temporarily horizontal
Road, which is constructed, indulges face section structure diagram；
Fig. 4 is vertical for the upper edge hole construction that super-span underground engineering in lithostratigraphy proposed by the present invention quickly builds structure
Face sectional schematic diagram structural schematic diagram；
Fig. 5 is vertical for the lower edge hole construction that super-span underground engineering in lithostratigraphy proposed by the present invention quickly builds structure
Face sectional schematic diagram structural schematic diagram；
Fig. 6 is the rock pillar and core rock mass that super-span underground engineering in lithostratigraphy proposed by the present invention quickly builds structure
It constructs and indulges face section structure diagram.
In figure: hole in 1,2 upper edge holes, 3 lower edge holes, 4 rock pillars, 5 core rock mass, the interim anchor pole in hole in 6, on 7 side holes
The interim anchor pole of portion's rock pillar, the interim anchor pole of 8 side hole lower core rock mass, 9 interim transverse passage-ways, 10 overlength anchor cables, 11 ramps.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-6, lithostratigraphy super-span underground engineering quickly builds structure, including in core rock mass 5
Hole 1, the two sides in middle hole 1 are equipped with upper edge hole 2, and rock pillar 4 is equipped between middle hole 1 and upper edge hole 2, runs through on rock pillar 4 and is equipped with
Interim transverse passage-way 9, the lower section in upper edge hole 2 are equipped with lower edge hole 3, are equipped with overlength in middle hole 1 and 2 roof rock mass of upper edge hole
Anchor cable 10, the palisades in middle hole 1 are interior to be equipped with the interim anchor pole 6 in middle hole, is equipped with the top Bian Dong rock pillar in 4 palisades of rock pillar in upper edge hole 2
Interim anchor pole 7,5 palisades of core rock mass in lower edge hole 3 are interior to be equipped with the interim anchor pole 8 of side hole lower core rock mass.
In the present invention, upper edge hole 2 and 3 equivalent width of lower edge hole.
Specifically, the width summation of middle hole 1 and rock pillar 4 and 5 equivalent width of core rock mass.
Specifically, being equipped with ramp 11 at interim transverse passage-way 9, can be transported outward convenient for dregs by ramp 11 according to construction needs.
Specifically, the middle interim anchor pole 6 in hole and the interim anchor pole 7 of the top Bian Dong rock pillar are horizontally disposed.
Structure and method disclosed by the invention are when implementing, in advance by Large Span Underground Engineering Division at middle hole 1, upper edge
Hole 2, lower edge hole 3, rock pillar 4,5 five part of core rock mass, hole 1, middle hole are interim in rapid construction again based on core rock mass 5
Anchor pole 6 and interim transverse passage-way 9, and 1 top overlength anchor cable 10 of hole in construction simultaneously, fixed structure top rock mass.
It with interim transverse passage-way 9 and middle hole 1 is channel of being unearthed after the perforation of middle hole 1 in the hole in, upper edge hole at left and right sides of construction
2 and interim anchor pole 7, also construct simultaneously outside hole left and right sides upper edge hole 2 and interim anchor pole 7 are with rock pillar 4 across underground chamber greatly
Temporary support, 2 top overlength anchor cable 10 of upper edge hole of constructing, fixed 2 top rock mass of upper edge hole.
After upper edge hole 2 penetrates through, interim transverse passage-way 9 is excavated to cavern's floor level in hole, with interim transverse passage-way 9 in hole
It is channel of being unearthed, construction left and right sides lower edge hole 3 and the interim anchor pole 8 of side hole lower core rock mass with middle hole 1, outside hole also simultaneously
Construction left and right sides lower edge hole 3 and the interim anchor pole 8 of side hole lower core rock mass, rock pillar 4 is based on core rock mass 5.
Continue with interim transverse passage-way 9 to be working face, it is opposite to excavate rock mass in 4 range of rock pillar, and 4 top overlength of rock pillar of constructing
Anchor cable 10.
Core rock mass 5 is finally excavated, secondary lining is applied, forms super-span underground structure.
More than, it is merely preferred embodiments of the present invention, but scope of protection of the present invention is not limited thereto, it is any
Those familiar with the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its invents
Design is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. lithostratigraphy super-span underground engineering quickly builds structure, which is characterized in that including in core rock mass (5)
The two sides in hole (1), the middle hole (1) are equipped with upper edge hole (2), and rock pillar is equipped between the middle hole (1) and upper edge hole (2)
(4), through interim transverse passage-way (9) are equipped on the rock pillar (4), the lower section of the upper edge hole (2) is equipped with lower edge hole (3),
It is equipped with overlength anchor cable (10) in the middle hole (1) and upper edge hole (2) roof rock mass, is equipped in the palisades of the middle hole (1)
The middle interim anchor pole in hole (6), rock pillar (4) palisades of the upper edge hole (2) are interior to be equipped with the interim anchor pole of the top Bian Dong rock pillar (7), institute
It states and is equipped with the interim anchor pole of side hole lower core rock mass (8) in core rock mass (5) palisades in lower edge hole (3).
2. super-span underground engineering in lithostratigraphy according to claim 1 quickly builds structure, which is characterized in that described
Upper edge hole (2) and lower edge hole (3) equivalent width.
3. super-span underground engineering in lithostratigraphy according to claim 1 quickly builds structure, which is characterized in that described
The width summation of middle hole (1) and rock pillar (4) and core rock mass (5) equivalent width.
4. super-span underground engineering in lithostratigraphy according to claim 1 quickly builds structure, which is characterized in that described
Ramp (11) are equipped at interim transverse passage-way (9).
5. super-span underground engineering in lithostratigraphy according to claim 1 quickly builds structure, which is characterized in that described
The middle interim anchor pole in hole (6) and the interim anchor pole of the top Bian Dong rock pillar (7) are horizontally disposed.
6. the quick construction method of lithostratigraphy super-span underground engineering, which comprises the following steps:
Hole (1), the interim anchor pole in middle hole (6) and interim transverse passage-way (9) in S1, rapid construction, and it is super at the top of hole (1) in construction simultaneously
Long anchor cable (10), fixed structure top rock mass；
S2, middle hole (1) perforation after, in the hole in interim transverse passage-way (9) He Zhongdong (1) be unearthed channel, construction at left and right sides of top
Side hole (2) and interim anchor pole (7), also construct simultaneously outside hole left and right sides upper edge hole (2) and interim anchor pole (7), greatly across underground
With rock pillar (4) for temporary support, overlength anchor cable (10) at the top of construction upper edge hole (2) fixes rock above upper edge hole (2) for cavern
Body；
After S3, upper edge hole (2) perforation, interim transverse passage-way (9) is excavated to cavern's floor level in hole, with interim transverse passage-way in hole
(9) He Zhongdong (1) is channel of being unearthed, lower edge hole (3) and the interim anchor pole of side hole lower core rock mass (8) at left and right sides of construction,
Lower edge hole (3) and the interim anchor pole of side hole lower core rock mass (8) at left and right sides of also constructing simultaneously outside hole, rock pillar (4) is with core
Based on rock mass (5)；
S4, with interim transverse passage-way (9) for working face, excavate rock mass in rock pillar (4) range in opposite directions, and super at the top of rock pillar of constructing (4)
Long anchor cable (10)；
S5, core rock mass (5) are excavated, applies secondary lining, form super-span underground structure.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502715A (en) * | 2020-05-29 | 2020-08-07 | 中铁第六勘察设计院集团有限公司 | Method for comprehensively constructing fractured rock mass in oversized underground cavern crossing stage |
| CN112065470A (en) * | 2020-09-23 | 2020-12-11 | 中铁四局集团有限公司 | Cave depot tank body excavation method |
| CN112576285A (en) * | 2020-12-14 | 2021-03-30 | 中铁隧道局集团有限公司 | Method for dismantling double-rock-pillar support of huge-span underground cave depot |
| CN112901182A (en) * | 2021-02-03 | 2021-06-04 | 中铁隧道局集团有限公司 | Eight-part excavation construction method for reserving double rock pillar supports in large-span underground cave depot |
| CN117189136A (en) * | 2023-11-06 | 2023-12-08 | 中铁九局集团第四工程有限公司 | Construction method for building large-section tunnel by reinforcing middle rock mass |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502715A (en) * | 2020-05-29 | 2020-08-07 | 中铁第六勘察设计院集团有限公司 | Method for comprehensively constructing fractured rock mass in oversized underground cavern crossing stage |
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| CN112065470A (en) * | 2020-09-23 | 2020-12-11 | 中铁四局集团有限公司 | Cave depot tank body excavation method |
| CN112576285A (en) * | 2020-12-14 | 2021-03-30 | 中铁隧道局集团有限公司 | Method for dismantling double-rock-pillar support of huge-span underground cave depot |
| CN112901182A (en) * | 2021-02-03 | 2021-06-04 | 中铁隧道局集团有限公司 | Eight-part excavation construction method for reserving double rock pillar supports in large-span underground cave depot |
| CN117189136A (en) * | 2023-11-06 | 2023-12-08 | 中铁九局集团第四工程有限公司 | Construction method for building large-section tunnel by reinforcing middle rock mass |
| CN117189136B (en) * | 2023-11-06 | 2024-01-09 | 中铁九局集团第四工程有限公司 | Construction method for building large-section tunnel by reinforcing middle rock mass |
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