CN104775831B - A kind of tunnel double-lining inverted arch exempts from short abutment wall arcing construction method with arch wall joint portion - Google Patents
A kind of tunnel double-lining inverted arch exempts from short abutment wall arcing construction method with arch wall joint portion Download PDFInfo
- Publication number
- CN104775831B CN104775831B CN201510065788.9A CN201510065788A CN104775831B CN 104775831 B CN104775831 B CN 104775831B CN 201510065788 A CN201510065788 A CN 201510065788A CN 104775831 B CN104775831 B CN 104775831B
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- Prior art keywords
- inverted arch
- arch
- template
- construction method
- joint portion
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- 238000010276 construction Methods 0.000 title claims abstract description 34
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 15
- 238000009415 formwork Methods 0.000 claims description 20
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000009412 basement excavation Methods 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
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 2
- 230000015271 coagulation Effects 0.000 claims description 2
- 238000005345 coagulation Methods 0.000 claims description 2
- 239000002689 soil Substances 0.000 claims description 2
- 239000003643 water by type Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process 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
- 238000009434 installation Methods 0.000 description 1
- 239000011499 joint compound Substances 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 kind of tunnel double-lining inverted arch and exempt from short abutment wall arcing construction method with arch wall joint portion, relate to constructing tunnel field, including reinforcing bar binding, fixed form, inverted arch concreting, inverted arch top template is removed and Central drain model sheetinstallat and fill concrete pours and five technical processs of form removable, The present invention reduces working procedure, improve construction quality level, and work efficiency is high, has saved substantial amounts of cost.
Description
Technical field
The present invention relates to constructing tunnel field, be specifically related to a kind of tunnel double-lining inverted arch and tie with arch wall
Conjunction portion exempts from short abutment wall arcing construction method.
Background technology
Conventional tunnel inverted arch sequence of construction is first to install inverted arch termination arc formwork, treats inverted arch coagulation
Soil has poured, then installs filling template, is filled with concrete construction.This secondary formwork
The sequence of construction of form removal, produces substantial amounts of labour cost, the most inadvisable, and production efficiency is low,
Affect the construction period；Defect is there is also, it is ensured that inverted arch is not with to fill contact surface linear in quality
Smoother, in inverted arch concrete easily invades cable duct body simultaneously.And inverted arch arc formwork is inverted arch
Termination sizing arc punching block, the inverted arch top little punching block of arc, the general name of cable duct arc formwork.It
Appearance, make inverted arch construction not only save time but also facilitate, ensure that work progress quality simultaneously.It
The aspects such as quality control, Financial cost, work efficiency in man-hour are more excellent compared with conventional construction method.
Summary of the invention
Problem to be solved by this invention is to provide that a kind of construction quality is good, the tunnel that work efficiency is high
Road two serves as a contrast inverted arch and exempts from short abutment wall arcing construction method with arch wall joint portion.
To achieve these goals, the technical scheme that the present invention takes is a kind of tunnel of being provided
Road two serves as a contrast inverted arch and exempts from short abutment wall arcing construction method with arch wall joint portion, comprises the steps:
(1) reinforcing bar binding: after inverted arch has excavated, manual amendment, face upward according to drawing colligation
Arch reinforcing bar；
(2) fixed form: be first according to inverted arch excavation shape, integral hoisting inverted arch arc tips
Head mould plate, and the longitudinal component in inverted arch reinforcing bar that in step (1), colligation is good is stretched out face upward
The eyelet that curved arch end head formwork is reserved, then reinforces, then is fixed on by angle steel the most mounted
On reinforcing bar, the inverted arch top little punching block of arc is embedded and tightens with bolt；
(3) inverted arch concreting: pour arch in the template first made in step (2)
Base concrete, then symmetry pours until two serve as a contrast and at inverted arch demarcation line；
(4) inverted arch top arc formwork is removed and Central drain model sheetinstallat: treat step (3)
Inverted arch concreting complete after, remove inverted arch top arc formwork and angle steel every other day, entirety is hung
Dress Central drain template；
(5) fill concrete pours and form removable: the center made in step (4)
In the template of ditch, symmetry pours fill concrete, prevents Central drain template from offseting, treats concrete
Solidification, removes inverted arch arced terminus template and Central drain template, cleans out and reuse.
Preferably, the shape of template used in described step (1) and step (4) is arc
Shape.
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 main component of inverted arch concrete used in described step (3) includes water
Mud, water, stone and sand, its corresponding mass ratio is 1:0.45:3:2.
Preferably, in described step (3), the mode that pours of inverted arch concrete is that chute enters mould,
The plug-in type vibrating rod using a diameter of 50mm vibrates.
Using technical scheme, inverted arch termination uses sizing arc-shaped steel template, it is ensured that
Inverted arch thickness, makes absolute altitude be easy to control；When inverted arch top arc formwork is installed, the best in colligation
Inverted arch reinforcing bar on weld angle steel, by template embed be joined with bolts, it is ensured that inverted arch with fill out
Fully boundary line meets design drawing requirement, and construction quality is effectively guaranteed, and utilizes the present invention
The construction method provided can reduce by 2 road working procedures, saves labour force, owing to the present invention exists
Being simplified in operation, work efficiency is improved, and cyclic advance reduces on the time significantly,
Accelerate construction speed.
Accompanying drawing illustrates:
Fig. 1 is tunnel inverted arch and fill concrete formwork for placing installation general arrangement.
Fig. 2 is that inverted arch top arc formwork mounting plane arranges schematic diagram.
Fig. 3 is inverted arch arced terminus structure of transvers plate figure, and letter a, b are respectively template rib spacing,
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 are by construction
Requirement different designs is chosen.
Fig. 4 is inverted arch end face formwork structure schematic diagram, long (a), wide (b), thick (c) and bolt
Bore dia (Φ) is chosen by construction requirement different designs.
Fig. 5 is inward turning nut structure schematic diagram, 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, for standard component.
Formwork sides figure in gutter centered by Fig. 8, letter a, b be respectively scalable leading screw and
Template rib spacing.
Wherein: 1 inverted arch arced terminus template, 2 inverted arch concrete, 3 angle steel, 4 face upward
Vault arc formwork, 5 connecting bolts, spin nut in 6,7 liners, 8 central trench are fixed
Section mould plate, 9 concrete, 10 bolts hole, 11 scalable leading screws.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be prone to bright with effect
White understanding, below in conjunction with detailed description of the invention, is expanded on further the present invention.
As shown in Fig. 1～Fig. 8, a kind of tunnel double-lining inverted arch exempts from short abutment wall arc with arch wall joint portion
Change construction method, comprise the steps:
(1) reinforcing bar binding: after inverted arch has excavated, manual amendment, face upward according to drawing colligation
Arch reinforcing bar；
(2) fixed form: be first according to inverted arch excavation shape, integral hoisting inverted arch arc tips
Head mould plate, and the longitudinal component in inverted arch reinforcing bar that in step (1), colligation is good is stretched out face upward
The eyelet that curved arch end head formwork is reserved, then reinforces, then is fixed on by angle steel the most mounted
On reinforcing bar, the inverted arch top little punching block of arc is embedded and tightens with bolt；
(3) inverted arch concreting: pour arch in the template first made in step (2)
Base concrete, then symmetry pours until two serve as a contrast and at inverted arch demarcation line；
(4) inverted arch top arc formwork is removed and Central drain model sheetinstallat: treat step (3)
Inverted arch concreting complete after, remove inverted arch top arc formwork and angle steel every other day, entirety is hung
Dress Central drain template；
(5) fill concrete pours and form removable: the center made in step (4)
In the template of ditch, symmetry pours fill concrete, prevents Central drain template from offseting, treats concrete
Solidification, removes inverted arch arced terminus template and Central drain template, cleans out and reuse.
It should be noted that the shape of template used in described step (1) and step (4)
It 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 main component of inverted arch concrete used in described step (3)
Including cement, water, stone and sand, its corresponding mass ratio is 1:0.45:3:2.
Additionally, the mode that pours of inverted arch concrete is that chute enters mould in described step (3), adopt
Vibrate with the plug-in type vibrating rod of a diameter of 50mm.
Letter a, b are respectively template rib spacing, and c1 is that template is thick, and c2 is that rib is high, bolt hole
Diameter of phi, spacing a1 and template height h are chosen by construction requirement different designs；Long (a), wide (b),
Thick (c) and diameter of bolt hole (Φ) are chosen by construction requirement different designs；Wherein Φ 1, Φ 2,
Φ 3 and h1 and h2 is chosen by construction requirement different designs；Wherein the Φ 5 and Φ 3 of nut
Match；Wherein Φ 7 is slightly larger than Φ 5, for standard component；Letter a, b are respectively scalable silk
Thick stick and template rib spacing.
Based on above-mentioned, in the present invention, inverted arch termination uses sizing arc-shaped steel template, it is ensured that inverted arch
Thickness, makes absolute altitude be easy to control；When inverted arch top arc formwork is installed, first in good the facing upward of colligation
Weld angle steel on arch reinforcing bar, template is embedded and is joined with bolts, it is ensured that inverted arch and filling point
Boundary line meets design drawing requirement, and construction quality is effectively guaranteed, and utilizes the present invention to be carried
The construction method of confession can reduce by 2 road working procedures, saves labour force, owing to the present invention is in operation
On simplified, work efficiency is improved, and cyclic advance reduces on the time significantly, accelerate
Construction speed.
Obviously the present invention implements and is not subject to the restrictions described above, if the present invention of have employed
Method design and the improvement of various unsubstantialities that carries out of technical scheme, or the most improved incite somebody to action this
Design and the technical scheme of invention directly apply to other occasion, all at the protection model of the present invention
Within enclosing.
Claims (6)
1. a short abutment wall arcing construction method is exempted from tunnel double-lining inverted arch and arch wall joint portion, bag
Include following step:
(1) reinforcing bar binding: after inverted arch has excavated, manual amendment, face upward according to drawing colligation
Arch reinforcing bar；
(2) fixed form: be first according to inverted arch excavation shape, integral hoisting inverted arch arc tips
Head mould plate, and the longitudinal component in inverted arch reinforcing bar that in step (1), colligation is good is stretched out face upward
The eyelet that curved arch end head formwork is reserved, then reinforces, then is fixed on by angle steel the most mounted
On reinforcing bar, the inverted arch top little punching block of arc is embedded and tightens with bolt；
(3) inverted arch concreting: pour arch in the template first made in step (2)
Base concrete, then symmetry pours until two serve as a contrast and at inverted arch demarcation line；
(4) inverted arch top arc formwork is removed and Central drain model sheetinstallat: treat step (3)
Inverted arch concreting complete after, remove inverted arch top arc formwork and angle steel every other day, entirety is hung
Dress Central drain template；
(5) fill concrete pours and form removable: the center made in step (4)
In the template of ditch, symmetry pours fill concrete, prevents Central drain template from offseting, treats concrete
Solidification, removes inverted arch arced terminus template and Central drain template, cleans out and reuse.
A kind of tunnel double-lining inverted arch the most according to claim 1 is exempted from short with arch wall joint portion
Abutment wall arcing construction method, it is characterised in that: used in described step (1) and step (4)
The shape of template be arc.
A kind of tunnel double-lining inverted arch the most according to claim 1 is exempted from short with arch wall joint portion
Abutment wall arcing construction method, it is characterised in that: the material of bolt used in described step (2)
Matter is metal material.
A kind of tunnel double-lining inverted arch the most according to claim 1 is exempted from short with arch wall joint portion
Abutment wall arcing construction method, it is characterised in that: the eye diameter in described step (2) is 2-5cm.
A kind of tunnel double-lining inverted arch the most according to claim 1 is exempted from short with arch wall joint portion
Abutment wall arcing construction method, it is characterised in that: inverted arch coagulation used in described step (3)
The main component of soil includes cement, water, stone and sand, and its corresponding mass ratio is 1:0.45:
3:2.
A kind of tunnel double-lining inverted arch the most according to claim 1 is exempted from short with arch wall joint portion
Abutment wall arcing construction method, it is characterised in that: in described step (3), inverted arch concrete waters
The mode of building is that chute enters mould, uses the plug-in type vibrating rod of a diameter of 50mm to vibrate.
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 CN104775831A (en) | 2015-07-15 |
| CN104775831B true CN104775831B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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 |
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| CN (1) | CN104775831B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113700289B (en) * | 2021-05-24 | 2023-02-10 | 海南优技建筑铝模有限公司 | Assembly type aluminum alloy template assembling system for building |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967985B (en) * | 2010-09-08 | 2012-11-07 | 中铁隧道集团有限公司 | Self-propelled inverted arch template construction method |
| CN102146799B (en) * | 2011-03-10 | 2013-01-09 | 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 |
| CN102852531B (en) * | 2012-09-29 | 2014-11-12 | 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 |
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| CN104775831A (en) | 2015-07-15 |
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