CN108952810A - A kind of tunnel blocks stopper structure construction method and tunnel and tunnel blocks plug - Google Patents
A kind of tunnel blocks stopper structure construction method and tunnel and tunnel blocks plug Download PDFInfo
- Publication number
- CN108952810A CN108952810A CN201810882224.8A CN201810882224A CN108952810A CN 108952810 A CN108952810 A CN 108952810A CN 201810882224 A CN201810882224 A CN 201810882224A CN 108952810 A CN108952810 A CN 108952810A
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- Prior art keywords
- tunnel
- plug
- section
- lining
- sudden expansion
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- 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
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- 238000010276 construction Methods 0.000 title claims abstract description 33
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/103—Dams, e.g. for ventilation
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/107—Reinforcing elements therefor; Holders for the reinforcing elements
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/14—Layout of tunnels or galleries; Constructional features of tunnels or galleries, not otherwise provided for, e.g. portals, day-light attenuation at tunnel openings
Abstract
The present invention provides a kind of tunnels to block plug construction method, and during Construction of Tunnel Liner, tunnel lining reinforcing bar corresponds to plug sudden expansion position and forms recessed area；During pouring lining concrete, the recessed area is filled and led up, and the section of tunnel composition, which can be cut, fills and leads up section, can be cut to fill and lead up together with the telescoping steel form of section and tunnel lining using uniform sizes and is poured；During tunnel plugging construction, the concrete chisel removal for filling and leading up section will can be cut, form cross section and the consistent concave inward structure in plug sudden expansion position on tunnel surface, and do not destroy former lining cutting reinforcing bar；Then tunnel concrete plug block section and sudden expansion position are synchronized and is poured, formed tunnel and block plug.The present invention also provides a kind of tunnels with tunnel closure plug foundation structure and the tunnel based on the tunnel to block plug.One aspect of the present invention optimizes tunnel overcurrent fluidised form, on the other hand can facilitate construction, shorten the construction period, cost saving；Meanwhile the relatively reliable safety of plugging effect of plug.
Description
Technical field
The present invention relates to a kind of tunnel, tunnels to block stopper structure and construction method, is mainly used for hydraulic tunnel, especially
The water tunnel later period blocks.
Background technique
With the progress of tunnel excavation technology, in the correlation engineerings such as water conservancy and hydropower, municipal administration by tunnel cross water in the way of get over
Come more universal.Part tunnel engineering ending the phase blocked, previous tunnel, in order to the later period plug setting and reliably
Property, it can all reserve some structures.But these structures will affect tunnel overcurrent fluidised form, and carry out step by step in construction, number
It is tired.If not reserving structure, although more convenient in lining construction, when constructing plug future, it is also necessary to corresponding stifled
The position of head removes the bar cutting of lining cutting, arranges reinforcing bar again again, in this way, it is complex not only to construct, but also engineering is hidden
Suffer from more.
Summary of the invention
Present invention technical problems to be solved first are to propose that a kind of new tunnel blocks plug construction method, are ensuring tunnel
Under the premise of hole blocks plug reliability, the tunnel block section lining construction duration is shortened, tunnel overcurrent fluidised form is optimized, simplified
Tunnel later period blocks process.For this purpose, the invention adopts the following technical scheme:
A kind of tunnel closure plug construction method, the plug have sudden expansion section, it is characterised in that: the following steps are included:
During Construction of Tunnel Liner, in the tunnel section of corresponding plug sudden expansion section, tunnel lining reinforcing bar corresponds to plug sudden expansion
Position forms recessed area；During pouring lining concrete, the recessed area is filled and led up, and the section composition of tunnel, which can be cut, to be filled and led up
Section can cut and fill and lead up section and tunnel lining using pouring together with the telescoping steel form of uniform sizes, can cut and fill and lead up section and surrounding
Tunnel lining surface flushes；
During tunnel plugging construction, the concrete chisel removal for filling and leading up section will can be cut, form cross section on tunnel surface and blocked up
Head process expands the consistent concave inward structure in position, and does not destroy former lining cutting reinforcing bar；Then by tunnel concrete plug block section and sudden expansion
Position, which synchronizes, to be poured, and is formed tunnel and is blocked plug.
Another technical problems to be solved of the invention are to provide a kind of tunnel that plug foundation structure is blocked with tunnel,
It can be shortened the tunnel block section lining construction duration, optimize tunnel overcurrent fluidised form, simplify tunnel later period closure process, and ensure tunnel
Plug is blocked to stablize.For this purpose, the invention adopts the following technical scheme:
A kind of tunnel blocking plug foundation structure with tunnel, including tunnel lining reinforcing bar, it is characterised in that in corresponding plug
The tunnel section of sudden expansion section, tunnel lining reinforcing bar correspond to plug sudden expansion position and form recessed area, and the tunnel is that can dig in the recessed area
Except filling and leading up section, described cut fills and leads up section and surrounding tunnel lining surface flushes.
Further, the section of the recessed area is wedge shaped.
Further, the reinforcing bar of the tunnel lining reinforcing bar and its two sides that form recessed area is original whole or the original company of tying up
It connects.
Another technical problems to be solved of the invention are to provide a kind of tunnel closure plug based on above-mentioned tunnel, block
It is reliable and stable, and can be shortened the tunnel block section lining construction duration, optimize tunnel overcurrent fluidised form, simplifies tunnel later period closure stream
Journey.For this purpose, the invention adopts the following technical scheme:
A kind of tunnel closure plug based on above-mentioned tunnel, the plug have sudden expansion section, it is characterised in that tunnel wall is described
The periphery of sudden expansion section has lining cutting reinforcing bar, and the plug includes the sudden expansion position for blocking main body and being cast in the recessed area, shape
Plug is blocked at tunnel, and the sudden expansion position is in the end facing water of plug.
Further, the section at the sudden expansion position is wedge shaped.
Further, the reinforcing bar of the tunnel lining reinforcing bar and its two sides that form recessed area is original whole or the original company of tying up
It connects.
In conventional plug design, tunnel plug sudden expansion section has apparent figure to extend out compared with standard Tunnel Section, crosses and flows through
Cheng Zhong, tunnel plug sudden expansion section is since figure is irregular, and there are local head loss, reduce tunnel overcurrent energy
Power.Using technical solution of the present invention, overcome the disadvantage, optimize tunnel overcurrent fluidised form, after the lining of tunnel block section figure with
Standard paragraphs are consistent, avoid the local head loss of plug sudden expansion section, increase tunnel conveyance capacity, cost saving.
During Construction of Tunnel Liner, lining cutting reinforcing bar forms plug sudden expansion position reinforcing bar recessed area, pours lining concrete mistake
Cheng Zhong, corresponding sudden expansion position form and can not destroy cutting for reinforcing bar and fill and lead up Duan Bingneng and pour together with lining cutting.Therefore, the position
The telescoping steel form that uniform sizes can be used with other standard Tunnel Sections pours building lining, compensates for conventional tunnel block section lining cutting figure
The shortcomings that building lining can not being poured using the telescoping steel form of uniform sizes caused by irregular, do not need adjustment telescoping steel form size or
Block section lining cutting is manually poured, construction is simple shortens structure and plug that the lining cutting of tunnel block section pours duration and guarantee tunnel
Structure is reliable and safety.
The present invention is not only in early period, that is, Construction of Tunnel Liner, construction is simple, short time limit；It is applied in later period, that is, tunnel closure
Work, it is only necessary to cut plug sudden expansion section concrete, plug can be poured, connect reinforcing bar again again without carrying out cutting removal reinforcing bar
Complicated reinforcing bar operation, simplify and block process, mitigate construction workload and complexity, shorten tunnel and block the duration, save simultaneously
Investment.
Conventional plug is that upstream face frictional force by axial head thrust and peripherally and cohesive strength composition are reversed
The bearing structure object of the standing balance of drag." the wedging work that plug of the invention meets water side for wedge structure, after by hydraulic thrust
With ", frictional force and cohesive strength are removed on plug circumference, also necessarily leads to additional radial stress, occur plug between former lining cutting
The elastic resistance of interaction, the readjustment for thus causing plug cohesion stress to be distributed, further strengthens and bonds to plug
Effect makes stopper structure of the invention have very strong overload capacity, there is biggish water blocking safe margin.
To sum up, one aspect of the present invention optimizes tunnel overcurrent fluidised form, on the other hand can facilitate construction, shorten the construction period, and saves
Construction investment；Meanwhile the relatively reliable safety of plugging effect of plug.
Detailed description of the invention
Fig. 1 is that tunnel blocks stopper structure figure in the present invention.
Fig. 2 is the A-A cross-sectional view of Fig. 1.
Fig. 3 is the B-B cross-sectional view of Fig. 1.
Fig. 4 is the position the C enlarged drawing in Fig. 1.
Fig. 5 is the tunnel schematic diagram after Construction of Tunnel Liner.
Specific embodiment
Below in conjunction with attached drawing and work progress, stopper structure of the invention is discussed in detail.The explanation of the following embodiments and the accompanying drawings
Only for example, not restricting the protection scope of the present invention.
1, Construction of Tunnel Liner
As shown, in the tunnel section of corresponding plug sudden expansion section 2, tunnel lining reinforcing bar 4 is right during Construction of Tunnel Liner
Plug sudden expansion position 21 is answered to form recessed area；During pouring lining concrete, the recessed area is filled and led up, the section structure of tunnel
Section 30 is filled and led up at that can cut, can cut and fill and lead up section 30 and tunnel lining using pouring together with the telescoping steel form of uniform sizes, can dig
It is flushed except section 30 is filled and led up with 3 surface of tunnel lining of surrounding；Tunnel after lining cutting can be used as hydraulic tunnel in engineering.
2, plug construction is blocked
During tunnel plugging construction, the concrete chisel removal for filling and leading up section 30 will can be cut, forming cross section on tunnel surface is in
The concave inward structure of wedge shape, and former lining cutting reinforcing bar is not destroyed, the reinforcing bar of the lining cutting reinforcing bar and its two sides that make sudden expansion position periphery is kept
Original whole or original tie up connection；Then the plug main body 1 of tunnel concrete plug and sudden expansion position 21 are synchronized and is poured, shape
Plug is blocked at tunnel, the plug body section where sudden expansion position 21 is plug sudden expansion section, and the sudden expansion position is in
The end facing water of plug.
Drawing reference numeral S1 is the end facing water of plug, and drawing reference numeral S2 is the downstream of plug.
The foregoing is merely the specific implementation case of invention, technical characteristic of the invention is not limited thereto, any correlation
Within the field of the present invention, made changes or modifications all cover within the protection scope of the present invention the technical staff in field.
Claims (7)
1. a kind of tunnel blocks plug construction method, the plug has sudden expansion section, it is characterised in that: the following steps are included:
During Construction of Tunnel Liner, in the tunnel section of corresponding plug sudden expansion section, tunnel lining reinforcing bar corresponds to plug sudden expansion
Position forms recessed area；During pouring lining concrete, the recessed area is filled and led up, and the section composition of tunnel, which can be cut, to be filled and led up
Section can cut and fill and lead up section and tunnel lining using pouring together with the telescoping steel form of uniform sizes, can cut and fill and lead up section and surrounding
Tunnel lining surface flushes；
During tunnel plugging construction, the concrete chisel removal for filling and leading up section will can be cut, form cross section on tunnel surface and blocked up
Head process expands the consistent concave inward structure in position, and does not destroy former lining cutting reinforcing bar；Then by tunnel concrete plug block section and sudden expansion
Position, which synchronizes, to be poured, and is formed tunnel and is blocked plug.
2. a kind of tunnel for blocking plug foundation structure with tunnel, including tunnel lining reinforcing bar, it is characterised in that corresponding stifled
Head process expands the tunnel section of section, and tunnel lining reinforcing bar corresponds to plug sudden expansion position and forms recessed area, and the tunnel is in the recessed area can
It cuts and fills and leads up section, described cut fills and leads up section and surrounding tunnel lining surface flushes.
3. a kind of tunnel for blocking plug foundation structure with tunnel as claimed in claim 2, it is characterised in that the recessed area
Section it is wedge shaped.
4. a kind of tunnel for blocking plug foundation structure with tunnel as claimed in claim 2, it is characterised in that form recessed area
Tunnel lining reinforcing bar and the reinforcing bar of its two sides be that original whole or original tie up connect.
5. a kind of tunnel based on tunnel described in claim 2 blocks plug, the plug has sudden expansion section, it is characterised in that tunnel
Hole wall has lining cutting reinforcing bar in the periphery of the sudden expansion section, and the plug includes blocking main body and being cast in prominent in the recessed area
Expand position, forms tunnel and block plug, and the sudden expansion position is in the end facing water of plug.
6. tunnel as claimed in claim 5 blocks plug, it is characterised in that the section at the sudden expansion position is wedge shaped.
7. tunnel as claimed in claim 5 blocks plug, it is characterised in that the lining cutting reinforcing bar of the sudden expansion position periphery and its
The reinforcing bar of two sides is original whole or original ties up connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810882224.8A CN108952810A (en) | 2018-08-06 | 2018-08-06 | A kind of tunnel blocks stopper structure construction method and tunnel and tunnel blocks plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810882224.8A CN108952810A (en) | 2018-08-06 | 2018-08-06 | A kind of tunnel blocks stopper structure construction method and tunnel and tunnel blocks plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108952810A true CN108952810A (en) | 2018-12-07 |
Family
ID=64467702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810882224.8A Pending CN108952810A (en) | 2018-08-06 | 2018-08-06 | A kind of tunnel blocks stopper structure construction method and tunnel and tunnel blocks plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108952810A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233390A (en) * | 2021-12-20 | 2022-03-25 | 中铁二院工程集团有限责任公司 | Auxiliary tunnel plugging structure suitable for weak surrounding rock and calculation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2219350C1 (en) * | 2002-06-10 | 2003-12-20 | Государственное учреждение Кузбасский государственный технический университет | Mine hydraulic insulation bridge |
| CA2471807A1 (en) * | 2004-03-16 | 2005-09-16 | Lease Crutcher Lewis | Method of constructing a concrete shear core multistory building |
| KR20110121146A (en) * | 2010-04-30 | 2011-11-07 | 진명구 | Front mold for tunnel of concrete working |
| CN107313785A (en) * | 2017-08-23 | 2017-11-03 | 中国电建集团成都勘测设计研究院有限公司 | High dam ecology water supply hole block section liner structure |
| CN107524471A (en) * | 2017-10-18 | 2017-12-29 | 北京建工路桥工程建设有限责任公司 | A kind of tunnel end plugging construction method |
| CN107605511A (en) * | 2017-08-31 | 2018-01-19 | 中国电建集团北京勘测设计研究院有限公司 | Cavern's plug peripheral water stopping structure and its construction method |
| CN208763663U (en) * | 2018-08-06 | 2019-04-19 | 中国电建集团华东勘测设计研究院有限公司 | A kind of tunnel and tunnel closure plug blocking plug foundation structure with tunnel |
-
2018
- 2018-08-06 CN CN201810882224.8A patent/CN108952810A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2219350C1 (en) * | 2002-06-10 | 2003-12-20 | Государственное учреждение Кузбасский государственный технический университет | Mine hydraulic insulation bridge |
| CA2471807A1 (en) * | 2004-03-16 | 2005-09-16 | Lease Crutcher Lewis | Method of constructing a concrete shear core multistory building |
| KR20110121146A (en) * | 2010-04-30 | 2011-11-07 | 진명구 | Front mold for tunnel of concrete working |
| CN107313785A (en) * | 2017-08-23 | 2017-11-03 | 中国电建集团成都勘测设计研究院有限公司 | High dam ecology water supply hole block section liner structure |
| CN107605511A (en) * | 2017-08-31 | 2018-01-19 | 中国电建集团北京勘测设计研究院有限公司 | Cavern's plug peripheral water stopping structure and its construction method |
| CN107524471A (en) * | 2017-10-18 | 2017-12-29 | 北京建工路桥工程建设有限责任公司 | A kind of tunnel end plugging construction method |
| CN208763663U (en) * | 2018-08-06 | 2019-04-19 | 中国电建集团华东勘测设计研究院有限公司 | A kind of tunnel and tunnel closure plug blocking plug foundation structure with tunnel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233390A (en) * | 2021-12-20 | 2022-03-25 | 中铁二院工程集团有限责任公司 | Auxiliary tunnel plugging structure suitable for weak surrounding rock and calculation method thereof |
| CN114233390B (en) * | 2021-12-20 | 2023-07-25 | 中铁二院工程集团有限责任公司 | Auxiliary gallery plugging structure suitable for weak surrounding rock and calculation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181207 |