CN110094206A - A kind of vertical shaft tunnel concrete liner structure and method - Google Patents
A kind of vertical shaft tunnel concrete liner structure and method Download PDFInfo
- Publication number
- CN110094206A CN110094206A CN201910380605.0A CN201910380605A CN110094206A CN 110094206 A CN110094206 A CN 110094206A CN 201910380605 A CN201910380605 A CN 201910380605A CN 110094206 A CN110094206 A CN 110094206A
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- CN
- China
- Prior art keywords
- vertical shaft
- prefabricated
- tube coupling
- liner structure
- shaft tunnel
- 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
- 239000004567 concrete Substances 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000008878 coupling Effects 0.000 claims abstract description 29
- 238000010168 coupling process Methods 0.000 claims abstract description 29
- 238000005859 coupling reaction Methods 0.000 claims abstract description 29
- 239000011435 rock Substances 0.000 claims abstract description 23
- 238000009412 basement excavation Methods 0.000 claims description 8
- 239000004568 cement Substances 0.000 claims description 5
- 239000011440 grout Substances 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 10
- 238000009415 formwork Methods 0.000 description 8
- 239000011178 precast concrete Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000406668 Loxodonta cyclotis Species 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000008267 milk Substances 0.000 description 2
- 210000004080 milk Anatomy 0.000 description 2
- 235000013336 milk Nutrition 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D5/00—Lining shafts; Linings therefor
- E21D5/04—Lining shafts; Linings therefor with brick, concrete, stone, or similar building materials
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
A kind of vertical shaft tunnel concrete liner structure and method, including prefabricated tube coupling, prefabricated tube coupling are assembled into tubular structure section by section, and concrete layer is equipped between tubular structure and country rock face, and prefabricated tube coupling and country rock face are linked to be entirety by concrete layer.Concrete-lined working efficiency can be improved in a kind of vertical shaft tunnel concrete liner structure and method provided by the invention, reduces construction safety risk, eliminates lining concrete aggregate separated quality problems.
Description
Technical field
The present invention relates to vertical shaft tunnel concrete liner engineering, especially a kind of vertical shaft tunnel concrete liner structure and side
Method.
Background technique
In water power hydraulic engineering field, there is its power plant building of a large amount of engineering to be arranged on underground, needs to be arranged and lead to ground
The cable shaft and air shaft in face, it is highest up to more than 300 m.
During shaft excavation, combined bolting and shotcrete need to be carried out to country rock, be true after the completion of excavation to ensure the stabilization of country rock
Protect the long-term safe operation of building, it is necessary to carry out reinforced concrete lining layer, the general 30-50cm of lining thickness, lining cutting it is main
Effect is to prevent the local failure of country rock or convenient for the structure arrangement in well.
Vertical shaft liner structure is all made of monolithic reinforced concrete structure at present, and template is sliding formwork, and personnel, material pass through lifting
Equipment calls in working face, and concrete is put in storage by elephant trunk.Construction time security risk is high；Sliding formwork plays the sliding time and leans on micro-judgment,
It grasps bad, it may appear that the quality accident of sliding failure；Concrete is put in storage by elephant trunk, the quality thing of aggregate separated easily occurs
Therefore；Construction period is longer, and construction cost is high.
To some special power stations, such as island hydroenergy storage station, sand, stone, fresh water needed for lacking cast-in-place concrete are cast-in-place
Concrete scheme also will receive restriction.
" water power hydraulic engineering inclined shaft Construction of Silo specification " DL/T 5407-2009, it is mixed to current water power hydraulic engineering vertical shaft
The construction method of solidifying soil lining cutting has carried out concrete regulation.
The cast-in-place concrete theory of abandoning tradition of the present invention, breaches specification, is solved using precast concrete related
Problem.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of vertical shaft tunnel concrete liner structure and methods, both meet
Structure stress requires safely and fast construct again, guarantee construction quality, save the cost.
In order to solve the above technical problems, the technical scheme adopted by the invention is that:
A kind of vertical shaft tunnel concrete liner structure, including prefabricated tube coupling, prefabricated tube coupling are assembled into tubular structure, tubulose knot section by section
Concrete layer is equipped between structure and country rock face, prefabricated tube coupling and country rock face are linked to be entirety by concrete layer.
The prefabricated tube coupling includes tube body, tube body upper end is equipped with hanging ring, and bottom of the pipe corresponding position is equipped with to be put into for hanging ring
Aperture.
The tube wall is equipped with keyway.
Gap between the tube body and country rock face is 5cm-7cm.
The tube body upper end is equipped with watertight rubber item.
A kind of vertical shaft tunnel concrete liner method, comprising the following steps:
Step 1), during shaft excavation, with the decline of excavation face in palisades pre-embedment grouting pipe；At the same time, comprehensive analysis is true
The height of fixed prefabricated tube coupling and internal-and external diameter etc. and carry out prefabricated pipe section it is prefabricated, transport to scene；
Step 2 measures control lifting by hanging apparatus to well head, hangs in well and keeps and country rock face preset clearance；
Step 3), suspension hook are automatically-unhooked；Continue next section lifting；Cement grout is carried out with the rising segmentation of tube coupling；
After step 4), packer grouting reach 3 day age, start next section of lifting；It moves in circles until terminating.
A kind of vertical shaft tunnel concrete liner structure of the present invention and method, have following technical effect that
1), by taking 300m grades of high vertical shafts as an example, using current sliding formwork cast-in-place concrete method, sliding formwork installation+sliding formwork is sliding+and sliding formwork tears open
Except about needing 5 months, using this method, prefabricated tube coupling is not accounted for the straight line duration, considers that gap is in the milk when solidifying between tube wall and country rock
Between, achievable installation in 2 months；Using this method, sliding formwork manufacture, installation can be saved and remove cost, prefabricated tube coupling concrete
The flowing concrete cast-in-place compared with sliding formwork about reduces 50 yuan/m of cost3, accumulative to reduce about 800,000 yuan of cost.
2) it, completes to splice in vertical shaft by the way that prefabricated tube coupling to be put into, it is complete using the gap between prefabricated tube coupling and country rock face
It is simple and convenient at the perfusion of concrete, and guarantee safety.The quality and efficiency for effectively meeting engineering, reduce cost of labor,
With good application value.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is construction main view of the invention.
Fig. 2 is the main sectional view of prefabricated tube coupling in the present invention.
Fig. 3 is the partial enlargement diagram in Fig. 1 at A.
Fig. 4 be the present invention in prefabricated tube coupling be put into after sectional view.
Fig. 5 is the schematic diagram in the present invention after multiple prefabricated tube couplings assembly.
Fig. 6 is integral construction schematic diagram of the invention.
In figure: prefabricated tube coupling 1, country rock face 2, concrete layer 3, tube body 4, hanging ring 5, aperture 6, keyway 7, watertight rubber item 8,
Grout pipe 9, hanging apparatus 10.
Specific embodiment
As shown in Figs 1-4, a kind of vertical shaft tunnel concrete liner structure, including prefabricated tube coupling 1, prefabricated tube coupling 1 include pre-
Concrete tube body 4 processed, 4 upper end of precast concrete tube body are equipped with hanging ring 5, can be used for connecting with hanging apparatus 10 and transfer to vertical shaft
In, and 4 lower end corresponding position of tube body is equipped with the aperture 6 being put into for hanging ring, can keep multiple tube bodies 4 are assembled section by section to form vertical shaft in this way
Liner structure.Prefabricated pipe outer wall and country rock face 2(are specially country rock pneumatically placed concrete face) between reserve the gap 5cm, which can
Lifting demand is solved, and after the cement slurry sets that can be perfused in gap, tube coupling and country rock is made to be linked to be entirety, guarantees that country rock is whole
Stablize, and prefabricated pipe gravity load can largely be transmitted to country rock, guarantees construction time structure safety.Precast concrete tube body 4
High visibility lifting appliance ability, prefabricated field condition, traffic condition flexibly determine, precast concrete tube body 4 in the present embodiment
Height is 3m.
In addition, being equipped with keyway 7 on 4 outer wall of tube body, the bonding that can reinforce prefabricated pipe and grout injection by keyway 7 is strong
Degree.
It is equipped with watertight rubber item 8 in 4 upper end of tube body, watertight rubber item 8 can effectively prevent cement slurry from prefabricated pipe bonding crack
Face leaks out.
A kind of vertical shaft tunnel concrete liner method, comprising the following steps:
Step 1), during shaft excavation, with the decline of excavation face in palisades pre-embedment grouting pipe 9；At the same time, comprehensive analysis is true
The height of fixed prefabricated tube coupling 1 and internal-and external diameter etc. and carry out prefabricated pipe section 1 it is prefabricated, transport to scene；
Step 2 passes through hanging apparatus 10(tower crane) control lifting is measured to well head, swash in the transmitting of silo bottom the center point
Light, centering control are hung in well, keep reserving the gap 5mm with country rock face 2；
Step 3), suspension hook are automatically-unhooked；Continue next section lifting；Cement grout is carried out with the rising segmentation of tube coupling, position of being in the milk
In interval between country rock face 2 and prefabricated tube coupling 1；
After step 4), packer grouting reach 3 day age, start next section of lifting；It moves in circles until terminating.
Claims (6)
1. a kind of vertical shaft tunnel concrete liner structure, it is characterised in that: including prefabricated tube coupling (1), prefabricated tube coupling (1) is spelled section by section
Dress up tubular structure, between tubular structure and country rock face (2) be equipped with concrete layer (3), concrete layer (3) by prefabricated tube coupling (1) with
Country rock face (2) is linked to be entirety.
2. a kind of vertical shaft tunnel concrete liner structure according to claim 1, it is characterised in that: the prefabricated tube coupling
It (1) include tube body (4), tube body (4) upper end is equipped with hanging ring (5), and tube body (4) lower end corresponding position is equipped with the aperture being put into for hanging ring
(6).
3. a kind of vertical shaft tunnel concrete liner structure according to claim 2, it is characterised in that: the tube body (4) is outside
Wall is equipped with keyway (7).
4. a kind of vertical shaft tunnel concrete liner structure according to claim 1, it is characterised in that: the tube body (4) with
Gap between country rock face (2) is 5cm-7cm.
5. a kind of vertical shaft tunnel concrete liner structure according to claim 1, it is characterised in that: on the tube body (4)
End is equipped with watertight rubber item (8).
6. a kind of vertical shaft tunnel concrete liner structure progress concrete lining described in any one of -5 according to claim 1
Method, it is characterised in that: the following steps are included:
Step 1), during shaft excavation, with the decline of excavation face in palisades pre-embedment grouting pipe (9)；At the same time, comprehensive analysis
Determine height and internal-and external diameter of prefabricated tube coupling (1) etc. and carry out prefabricated pipe section (1) it is prefabricated, transport to scene；
Step 2 measures control lifting by hanging apparatus (10) to well head, hangs in well and keeps pre- with country rock face (2)
Stay gap；
Step 3), suspension hook are automatically-unhooked；Continue next section lifting；Cement grout is carried out with the rising segmentation of tube coupling；
After step 4), packer grouting reach 3 day age, start next section of lifting；It moves in circles until terminating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910380605.0A CN110094206A (en) | 2019-05-08 | 2019-05-08 | A kind of vertical shaft tunnel concrete liner structure and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910380605.0A CN110094206A (en) | 2019-05-08 | 2019-05-08 | A kind of vertical shaft tunnel concrete liner structure and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110094206A true CN110094206A (en) | 2019-08-06 |
Family
ID=67447369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910380605.0A Pending CN110094206A (en) | 2019-05-08 | 2019-05-08 | A kind of vertical shaft tunnel concrete liner structure and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110094206A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112627885A (en) * | 2020-12-30 | 2021-04-09 | 兰州铁道设计院有限公司 | Backfill load reduction structure for top shaft of large buried depth tunnel and construction method thereof |
| CN112814684A (en) * | 2021-02-18 | 2021-05-18 | 中交第二公路工程局有限公司 | Cast-in-place and prefabricated assembly combined tunnel shaft inner wall structure and construction method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB270041A (en) * | 1926-03-02 | 1927-05-05 | Thomas Blandford | Improvements in and relating to concrete linings for shafts, wells and other shaft-like structures |
| SU708058A1 (en) * | 1977-12-13 | 1980-01-05 | Среднеазиатское Отделение Всесоюзного Ордена Ленина Проектно-Изыскательского И Научно-Исследовательского Института "Гидропроект" Им. С.Я.Жука | Made-up mine roof support |
| SU836359A1 (en) * | 1979-07-25 | 1981-06-07 | Ордена Трудового Красного Знаменинаучно-Исследовательский Институтоснований И Подземных Сооруженийим. H.M.Герсеванова Государственногокомитета Cobeta Министров Cccp Поделам Строительства | Mine shaft lining |
| CN109026012A (en) * | 2018-07-25 | 2018-12-18 | 中国电建集团华东勘测设计研究院有限公司 | Vertical shaft surrounding rock supporting structure and its excavation supporting method |
| CN109630128A (en) * | 2019-02-19 | 2019-04-16 | 广东华方工程设计有限公司 | A kind of prefabricated reinforced concrete assembled self weight sinking vertical shaft |
| CN109723075A (en) * | 2018-12-06 | 2019-05-07 | 中建地下空间有限公司 | A kind of prefabrication and assembly construction controllable type open caisson construction method |
-
2019
- 2019-05-08 CN CN201910380605.0A patent/CN110094206A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB270041A (en) * | 1926-03-02 | 1927-05-05 | Thomas Blandford | Improvements in and relating to concrete linings for shafts, wells and other shaft-like structures |
| SU708058A1 (en) * | 1977-12-13 | 1980-01-05 | Среднеазиатское Отделение Всесоюзного Ордена Ленина Проектно-Изыскательского И Научно-Исследовательского Института "Гидропроект" Им. С.Я.Жука | Made-up mine roof support |
| SU836359A1 (en) * | 1979-07-25 | 1981-06-07 | Ордена Трудового Красного Знаменинаучно-Исследовательский Институтоснований И Подземных Сооруженийим. H.M.Герсеванова Государственногокомитета Cobeta Министров Cccp Поделам Строительства | Mine shaft lining |
| CN109026012A (en) * | 2018-07-25 | 2018-12-18 | 中国电建集团华东勘测设计研究院有限公司 | Vertical shaft surrounding rock supporting structure and its excavation supporting method |
| CN109723075A (en) * | 2018-12-06 | 2019-05-07 | 中建地下空间有限公司 | A kind of prefabrication and assembly construction controllable type open caisson construction method |
| CN109630128A (en) * | 2019-02-19 | 2019-04-16 | 广东华方工程设计有限公司 | A kind of prefabricated reinforced concrete assembled self weight sinking vertical shaft |
Non-Patent Citations (1)
| Title |
|---|
| 顾志刚: "《水工工艺基础》", 31 March 2002, 中国电力出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112627885A (en) * | 2020-12-30 | 2021-04-09 | 兰州铁道设计院有限公司 | Backfill load reduction structure for top shaft of large buried depth tunnel and construction method thereof |
| CN112814684A (en) * | 2021-02-18 | 2021-05-18 | 中交第二公路工程局有限公司 | Cast-in-place and prefabricated assembly combined tunnel shaft inner wall structure and construction method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20190806 |