CN104775831A - Tunnel secondary lining inverted arch and arch wall combined part short-free side wall arcing construction method - Google Patents
Tunnel secondary lining inverted arch and arch wall combined part short-free side wall arcing construction method Download PDFInfo
- Publication number
- CN104775831A CN104775831A CN201510065788.9A CN201510065788A CN104775831A CN 104775831 A CN104775831 A CN 104775831A CN 201510065788 A CN201510065788 A CN 201510065788A CN 104775831 A CN104775831 A CN 104775831A
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- CN
- China
- Prior art keywords
- inverted arch
- arch
- template
- construction method
- arcing
- Prior art date
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Links
- 238000010276 construction Methods 0.000 title claims abstract description 35
- 238000009415 formwork Methods 0.000 claims description 18
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000004080 punching Methods 0.000 claims description 5
- 238000009412 basement excavation Methods 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 238000005266 casting Methods 0.000 abstract 2
- 230000002787 reinforcement Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000004513 sizing Methods 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003908 quality control method Methods 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
- E21D11/04—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 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
- E21D11/04—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
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
- E21F16/02—Drainage of tunnels
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a tunnel secondary lining inverted arch and arch wall combined part short-free side wall arcing construction method, and relates to the field of tunnel construction. The method comprises five processes of reinforcement binding, template fixing, arch concrete casting, arch top template dismantling, and center ditch template mounting and filled concrete casting and template dismantling. The method reduces the construction procedures, improves the construction quality level, is high in working efficiency, and saves a lot of costs.
Description
Technical field
The present invention relates to constructing tunnel field, be specifically related to a kind of tunnel double-lining inverted arch and short abutment wall arcing construction method is exempted from arch wall joint portion.
Background technology
Conventional tunnel inverted arch sequence of construction is first install inverted arch termination arc formwork, treats that inverted arch concreting completes, then installs filling template, carry out fill concrete construction.The sequence of construction of this secondary formwork form removal, produces a large amount of labour costs, inadvisable economically, and production efficiency is low, affects the construction period; Also existing defects qualitatively, do not ensure inverted arch and fill linear smoother of contact surface, inverted arch concrete easily invades in cable trench body simultaneously.And inverted arch arc formwork is the general name of inverted arch termination sizing arc punching block, the little punching block of inverted arch top arc, cable trench arc formwork.Its appearance, makes inverted arch construct and not only saves time but also facilitate, ensure that work progress quality simultaneously.It is more excellent compared with conventional construction method in quality control, financial cost, man-hour work efficiency etc.
Summary of the invention
It is good that problem to be solved by this invention is to provide a kind of construction quality, and short abutment wall arcing construction method is exempted from the tunnel double-lining inverted arch that operating efficiency is high and arch wall joint portion.
To achieve these goals, the technical scheme that the present invention takes for: short abutment wall arcing construction method is exempted from a kind of tunnel double-lining inverted arch provided and arch wall joint portion, comprises the steps:
(1) reinforcing bar binding: after inverted arch has excavated, manual amendment, according to drawing colligation inverted arch reinforcing bar;
(2) fixed form: first according to inverted arch excavation shape, integral hoisting inverted arch arced terminus template, and the longitudinal component in inverted arch reinforcing bar that in step (1), colligation is good is stretched out the reserved eyelet of end head formwork, then reinforce, again angle steel is fixed on mounted reinforcing bar, little for inverted arch top arc punching block is embedded wherein and uses bolt tightening;
(3) inverted arch concreting: build arch base concrete in the template first made in step (2), then symmetry is built until two linings and inverted arch line of demarcation place;
(4) inverted arch top template is removed and Central drain model sheetinstallat: after the inverted arch concreting of step (3) completes, and removes inverted arch top template and angle steel every other day, integral hoisting Central drain template;
(5) fill concrete is built and form removable: in the Central drain template made in step (4), symmetry builds fill concrete, prevent Central drain template from offseting, treat concrete setting, remove inverted arch end head formwork and Central drain template, clean out and reuse.
Preferably, the shape of template used in described step (1) and step (4) is arc.
Preferably, the material of bolt used in described step (2) is metal material.
Preferably, the eye diameter in described step (2) is 2-5cm.
Preferably, the concrete main component of inverted arch used in described step (3) comprises cement, water, stone and sand, and its corresponding mass ratio is 1:0.45:3:2.
Preferably, in described step (3), the concrete mode of building of inverted arch is that chute enters mould, and employing diameter is that the plug-in type vibrating rod of 50mm vibrates.
Adopt technical scheme of the present invention, inverted arch termination adopts sizing arc-shaped steel template, ensure that inverted arch thickness, makes absolute altitude be convenient to control; When inverted arch top arc formwork is installed, first on the inverted arch reinforcing bar that colligation is good, weld angle steel, template embedded and be joined with bolts, guarantee that inverted arch meets design drawing requirement with filling line of demarcation, construction quality is effectively guaranteed, utilize construction method provided by the present invention can reduce by 2 road working procedures, save labour, simplify because the present invention obtains in operation, operating efficiency is improved, time reduces cyclic advance greatly, accelerates construction speed.
accompanying drawing illustrates:
Fig. 1 is that tunnel invert and fill concrete formwork for placing install general arrangement.
Fig. 2 is that inverted arch top arc formwork mounting plane arranges schematic diagram.
Fig. 3 is inverted arch end head formwork constructional drawing, and alphabetical a, b are respectively template rib spacing, and c1 is that template is thick, and c2 is that rib is high, and diameter of bolt hole Φ, spacing a1 and template height h choose by construction requirement different designs.
Fig. 4 is inverted arch end face formwork structure schematic diagram, and long (a), wide (b), thick (c) and diameter of bolt hole (Φ) choose by construction requirement different designs.
Fig. 5 is inward turning nut structure schematic diagram, and wherein Φ 1, Φ 2, Φ 3 and h1 and h2 choose by construction requirement different designs.
Fig. 6 is the structural representation of connecting bolt, and wherein Φ 5 matches with the Φ 3 of nut.
Fig. 7 is gasket construction schematic diagram, and wherein Φ 7 is slightly larger than Φ 5, is standard component.
Formwork sides figure in gutter centered by Fig. 8, alphabetical a, b are respectively adjustable leading screw and template rib spacing.
Wherein: 1-inverted arch arced terminus template, 2-inverted arch concrete, 3-angle steel, 4-inverted arch top arc formwork, 5-connecting bolt, 6-interior spin nut, 7-liner, 8-center ditch typified form, 9-concrete, 10-bolt hole, 11-adjustable leading screw.
Detailed description of the invention
The technological means realized for making the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with detailed description of the invention, setting forth the present invention further.
As shown in Fig. 1 ~ Fig. 8, short abutment wall arcing construction method is exempted from a kind of tunnel double-lining inverted arch and arch wall joint portion, comprises the steps:
(1) reinforcing bar binding: after inverted arch has excavated, manual amendment, according to drawing colligation inverted arch reinforcing bar;
(2) fixed form: first according to inverted arch excavation shape, integral hoisting inverted arch arced terminus template, and the longitudinal component in inverted arch reinforcing bar that in step (1), colligation is good is stretched out the reserved eyelet of end head formwork, then reinforce, again angle steel is fixed on mounted reinforcing bar, little for inverted arch top arc punching block is embedded wherein and uses bolt tightening;
(3) inverted arch concreting: build arch base concrete in the template first made in step (2), then symmetry is built until two linings and inverted arch line of demarcation place;
(4) inverted arch top template is removed and Central drain model sheetinstallat: after the inverted arch concreting of step (3) completes, and removes inverted arch top template and angle steel every other day, integral hoisting Central drain template;
(5) fill concrete is built and form removable: in the Central drain template made in step (4), symmetry builds fill concrete, prevent Central drain template from offseting, treat concrete setting, remove inverted arch end head formwork and Central drain template, clean out and reuse.
It should be noted that the shape of template used in described step (1) and step (4) is arc.
In the present embodiment, the material of bolt used in described step (2) is metal material.
In the present embodiment, the eye diameter in described step (2) is 2-5cm.
In the present embodiment, the concrete main component of inverted arch used in described step (3) comprises cement, water, stone and sand, and its corresponding mass ratio is 1:0.45:3:2.
In addition, in described step (3), the concrete mode of building of inverted arch is that chute enters mould, and employing diameter is that the plug-in type vibrating rod of 50mm vibrates.
Letter a, b are respectively template rib spacing, and c1 is that template is thick, and c2 is that rib is high, and diameter of bolt hole Φ, spacing a1 and template height h choose by construction requirement different designs; Long (a), wide (b), thick (c) and diameter of bolt hole (Φ) choose by construction requirement different designs; Wherein Φ 1, Φ 2, Φ 3 and h1 and h2 choose by construction requirement different designs; Wherein Φ 5 matches with the Φ 3 of nut; Wherein Φ 7 is slightly larger than Φ 5, is standard component; Letter a, b are respectively adjustable leading screw and template rib spacing.
Based on above-mentioned, in the present invention, inverted arch termination adopts sizing arc-shaped steel template, ensure that inverted arch thickness, makes absolute altitude be convenient to control; When inverted arch top arc formwork is installed, first on the inverted arch reinforcing bar that colligation is good, weld angle steel, template embedded and be joined with bolts, guarantee that inverted arch meets design drawing requirement with filling line of demarcation, construction quality is effectively guaranteed, utilize construction method provided by the present invention can reduce by 2 road working procedures, save labour, simplify because the present invention obtains in operation, operating efficiency is improved, time reduces cyclic advance greatly, accelerates construction speed.
Obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (6)
1. a short abutment wall arcing construction method is exempted from tunnel double-lining inverted arch and arch wall joint portion, comprises the steps:
(1) reinforcing bar binding: after inverted arch has excavated, manual amendment, according to drawing colligation inverted arch reinforcing bar;
(2) fixed form: first according to inverted arch excavation shape, integral hoisting inverted arch arced terminus template, and the longitudinal component in inverted arch reinforcing bar that in step (1), colligation is good is stretched out the reserved eyelet of end head formwork, then reinforce, again angle steel is fixed on mounted reinforcing bar, little for inverted arch top arc punching block is embedded wherein and uses bolt tightening;
(3) inverted arch concreting: build arch base concrete in the template first made in step (2), then symmetry is built until two linings and inverted arch line of demarcation place;
(4) inverted arch top template is removed and Central drain model sheetinstallat: after the inverted arch concreting of step (3) completes, and removes inverted arch top template and angle steel every other day, integral hoisting Central drain template;
(5) fill concrete is built and form removable: in the Central drain template made in step (4), symmetry builds fill concrete, prevent Central drain template from offseting, treat concrete setting, remove inverted arch end head formwork and Central drain template, clean out and reuse.
2. short abutment wall arcing construction method is exempted from a kind of tunnel double-lining inverted arch according to claim 1 and arch wall joint portion, it is characterized in that: the shape of template used in described step (1) and step (4) is arc.
3. short abutment wall arcing construction method is exempted from a kind of tunnel double-lining inverted arch according to claim 1 and arch wall joint portion, it is characterized in that: the material of bolt used in described step (2) is metal material.
4. short abutment wall arcing construction method is exempted from a kind of tunnel double-lining inverted arch according to claim 1 and arch wall joint portion, it is characterized in that: the eye diameter in described step (2) is 2-5cm.
5. short abutment wall arcing construction method is exempted from a kind of tunnel double-lining inverted arch according to claim 1 and arch wall joint portion, it is characterized in that: the concrete main component of inverted arch used in described step (3) comprises cement, water, stone and sand, and its corresponding mass ratio is 1:0.45:3:2.
6. short abutment wall arcing construction method is exempted from a kind of tunnel double-lining inverted arch according to claim 1 and arch wall joint portion, it is characterized in that: in described step (3), the concrete mode of building of inverted arch is that chute enters mould, employing diameter is that the plug-in type vibrating rod of 50mm vibrates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510065788.9A CN104775831B (en) | 2015-02-09 | 2015-02-09 | A kind of tunnel double-lining inverted arch exempts from short abutment wall arcing construction method with arch wall joint portion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510065788.9A CN104775831B (en) | 2015-02-09 | 2015-02-09 | A kind of tunnel double-lining inverted arch exempts from short abutment wall arcing construction method with arch wall joint portion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104775831A true CN104775831A (en) | 2015-07-15 |
| CN104775831B CN104775831B (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510065788.9A Active CN104775831B (en) | 2015-02-09 | 2015-02-09 | A kind of tunnel double-lining inverted arch exempts from short abutment wall arcing construction method with arch wall joint portion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104775831B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107201908A (en) * | 2017-06-16 | 2017-09-26 | 中铁五局集团有限公司 | A kind of construction method of the regional buried Central drain in tunnel of bitter cold |
| CN113700289A (en) * | 2021-05-24 | 2021-11-26 | 海南优技建筑铝模有限公司 | Assembly type aluminum alloy template assembling system for building |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967985A (en) * | 2010-09-08 | 2011-02-09 | 中铁隧道集团三处有限公司 | Self-propelled inverted arch template construction method |
| CN102146799A (en) * | 2011-03-10 | 2011-08-10 | 中铁二局股份有限公司 | Construction equipment for inverted arch of two-track tunnel of high-speed railway |
| CN202017493U (en) * | 2011-03-10 | 2011-10-26 | 中铁二局股份有限公司 | Construction equipment for inverted arch of high-speed railway double-track tunnel |
| CN102852531A (en) * | 2012-09-29 | 2013-01-02 | 中铁八局集团第一工程有限公司 | Construction method for suspended reinforcement of high gas tunnel inverted arch model |
| CN203394540U (en) * | 2013-07-25 | 2014-01-15 | 成都锐龙机械制造有限公司 | Suspension overturning inverted arch formwork trolley for tunnels |
-
2015
- 2015-02-09 CN CN201510065788.9A patent/CN104775831B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967985A (en) * | 2010-09-08 | 2011-02-09 | 中铁隧道集团三处有限公司 | Self-propelled inverted arch template construction method |
| CN102146799A (en) * | 2011-03-10 | 2011-08-10 | 中铁二局股份有限公司 | Construction equipment for inverted arch of two-track tunnel of high-speed railway |
| CN202017493U (en) * | 2011-03-10 | 2011-10-26 | 中铁二局股份有限公司 | Construction equipment for inverted arch of high-speed railway double-track tunnel |
| CN102852531A (en) * | 2012-09-29 | 2013-01-02 | 中铁八局集团第一工程有限公司 | Construction method for suspended reinforcement of high gas tunnel inverted arch model |
| CN203394540U (en) * | 2013-07-25 | 2014-01-15 | 成都锐龙机械制造有限公司 | Suspension overturning inverted arch formwork trolley for tunnels |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107201908A (en) * | 2017-06-16 | 2017-09-26 | 中铁五局集团有限公司 | A kind of construction method of the regional buried Central drain in tunnel of bitter cold |
| CN107201908B (en) * | 2017-06-16 | 2023-10-31 | 中铁五局集团有限公司 | Construction method for deep-buried central ditch of tunnel in severe cold region |
| CN113700289A (en) * | 2021-05-24 | 2021-11-26 | 海南优技建筑铝模有限公司 | Assembly type aluminum alloy template assembling system for building |
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| Publication number | Publication date |
|---|---|
| CN104775831B (en) | 2016-08-24 |
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