CN104612697A - Construction method for subway station track upwind way - Google Patents
Construction method for subway station track upwind way Download PDFInfo
- Publication number
- CN104612697A CN104612697A CN201410769847.6A CN201410769847A CN104612697A CN 104612697 A CN104612697 A CN 104612697A CN 201410769847 A CN201410769847 A CN 201410769847A CN 104612697 A CN104612697 A CN 104612697A
- Authority
- CN
- China
- Prior art keywords
- air channel
- template
- tread
- construction
- pvc
- 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
- 238000010276 construction Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 238000004080 punching Methods 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000004513 sizing Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009416 shuttering Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
-
- 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
-
- 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
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
Landscapes
- 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)
- Environmental & Geological Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a construction method for a subway station track upwind way. The method comprises the steps that (1) a track upwind way reserved steel bar and a PVC reserved hole sleeve pipe are prepared; (2) side wall template splicing is carried out, and after side wall template splicing is completed, a side wall reserved inserting rib is mounted; (3) middle plate template splicing is carried out; (4) air way template assembling is carried out; (5) air fixing way template and air way wall inner die assembling and mounting are carried out; (6) concrete placing is carried out through a PVC reserved sleeve pipe hole, and vibration is carried out; (7) template detaching is carried out; and (8) next-stage construction is carried out. According to the specific construction situation of a post-placement air way, through a concrete placing method of the reserved hole, the problem of post-placement air way construction difficulty is effectively solved, air way forming quality and accurate locating are well achieved, construction cost is saved, and the method is suitable for wide promotion and application.
Description
Technical field
The present invention relates to metro station construction field, specifically refer to a kind of construction method being applied to tread air channel, subway station.
Background technology
In Metro Station Structure, tread air channel carries the task of subway air draft, air-supply, is the important component part of Metro Station Structure, and can directly affect subway train normally run.Tread air channel is positioned at above Gui Hang district, station, and section form is hung on middle plate under being similar to rectangle.Under different work situation, the difficulty of construction in tread air channel has larger difference, when tread air channel needs to build after main body frame construction AT STATION, because its construction space is little, transport of materials is difficult, cross-operation is more, operating personnel operates the factors such as inconvenience, after causing, water the consequences such as tread air channel difficulty of construction is large, claim for eot, cost increase, Forming Quality is poor, structure gauge deviation is excessive.Work that is interval according to metro shield and station raises procedure arrangement, and when station part is as shield launching end or receiving terminal, shield machine does not affect the construction in station internal rails road against the wind, and therefore, in constructing AT STATION, can construct in middle plate in advance in tread air channel; When condition is missed the stop at station as shield structure, because tread air channel is in cutter head of shield machine influence basin, therefore could construct after must treating technique on shield machine's station-crossing in tread air channel in station, and this just significantly increases tread air channel difficulty of construction.
Summary of the invention
The object of the invention is to for after water the Specific construction situation in air channel, a difficult problem for air channel constructional difficulties is watered after a kind of can effectively solving is provided, accurate positioning rail road against the wind, and improve its Forming Quality, and save the construction method being applied to tread air channel, subway station of construction cost greatly.
The present invention is achieved through the following technical solutions: a kind of construction method being applied to tread air channel, subway station, comprises the steps:
(1) processing prepares tread air channel reserved steel bar in advance, and is not less than the PVC reserving hole sleeve pipe of middle plate thickness;
(2) calculate the assembled combining form of punching block, assembled side wall template after setting-out, after side wall template assembly completes, side wall reserved joint bar is installed;
(3) assembled middle template die plate, setting-out air channel wall displacement also boring reserved air channel wall reinforcing bar, places PVC reserving hole sleeve pipe simultaneously and fixes afterwards;
(4) after technique on shield machine's station-crossing completes, the Assembling of air channel template is carried out;
(5) by the air channel template colligation of having assembled on the reinforcing bar of air duct board and air channel wall, use reinforcing bar binding air channel mould within the walls, and use fixture to reinforce air channel template and air channel mould within the walls;
(6) build concrete and reserve sleeve pipe hole injection tread air channel by middle plate PVC, two cover vibrating spears are prepared when building concrete, a set of vibrating spear is reserved in sleeve pipe hole by inserting PVC, vibrates to the concrete in the wall of air channel, and the concrete of another set of vibrating spear in-orbit against the wind on the inner centering plate in road vibrates;
(7) after air channel wall concrete and air duct board concrete placings complete, reach after form removal condition until it, remove fixture, make template depart from concrete face;
(8) next construction section construction of tread air channel is entered.
For realizing the inventive method better, further, in described step (1), the PVC reserving hole casing length that processing prepares is identical with middle plate thickness.PVC reserving hole casing length is identical with middle plate thickness, is that conveniently the later stage builds concrete by PVC reserving hole sleeve pipe.
For realizing the inventive method better, further, in described step (3), the spacing between fixing adjacent two PVC reserving hole sleeve pipes is 1000mm.During for watering after the wall of guarantee tread air channel, concrete energy fully filled wall, is convenient to concrete vibrating simultaneously, and reserved PVC overlaps tube pitch and gets 1000mm.
For realizing the inventive method better, further, in described step (3), middle template die plate is veneer.
For realizing the inventive method better, further, in described step (4), air channel template comprises air channel wall form and air duct board template.
For realizing the inventive method better, further, in described step (4), to the assembled employing merogenesis assembling of air channel template, merogenesis length is 1.5m.
For realizing the inventive method better, further, in described step (5), fixture is jacking or degree of tightness part or Screw arbor with nut at both-ends.
For realizing the inventive method better, further, in described step (8), the length of construction section is 20 ~ 30m.According to the condition of construction of reality, the length of general preferred construction section is 20 ~ 30m, the construction reference watered after can meeting tread air channel.
When condition is missed the stop at station as shield structure, because tread air channel is in cutter head of shield machine influence basin, therefore could construct after must treating technique on shield machine's station-crossing in tread air channel in station, and this just significantly increases tread air channel difficulty of construction.
For this situation, while middle plate installs template, process hole provided pipe voluntarily at the construction field (site), provided pipe adopts common PVC sleeve pipe, and casing diameter 150mm, length is identical with middle plate thickness.At the scene make time according in plate reinforced mesh horizontal spacing in advance by every for middle slab muscle 9m mono-section of colligation on PVC sleeve pipe, the derailed road center line of wall against the wind of setting-out on middle template die plate simultaneously, after completing, reserved Casing elevator be put in tread air channel wall displacement and fix.During for watering after the wall of guarantee tread air channel, concrete energy fully filled wall, is convenient to concrete vibrating simultaneously, and reserved PVC overlaps tube pitch and gets 1000mm.
Plate in structure is hung under the wall of tread air channel, middle template die plate adopts veneer, therefore, reserves air channel wall joint bar when middle plate formwork erection according to the boring in advance on middle template die plate of tread air channel arrangement of reinforcement, consider to be convenient to middle plate form removable, reserved joint bar bore dia should 2-3mm larger than bar diameter.
Tread air duct board is connected with agent structure side wall, should according to tread air channel arrangement of reinforcement advance reservation air duct board joint bar when agent structure side wall is constructed.Current main structure of subway station construction adopts combination sizing punching block usually, therefore when considering air duct board reserved joint bar, and processing tread air duct board reserved joint bar abnormal shape steel mould separately.Abnormal shape steel mould processing adopts and the identical material of the little punching block of conventional combination, and machining rear requirement can combinationally use with the little punching block of common sizing.
Tread air channel template adopts sizing punching block, because tread air duct board and wall are all thinner, during concreting, institute's load that produces is less, therefore the 3mm steel plate that tread air channel template adopts common sizing punching block to use processes, air channel wall side template adopts φ 10 Screw arbor with nut at both-ends to reinforce, consider recycling of Screw arbor with nut at both-ends, screw jacket pvc pipe.The template merogenesis assembling when constructing, merogenesis length 1.5m, air channel wall form is wide to be determined according to body of wall height, if body of wall is too high, then adopt the little punching block of combination to be spliced, air channel template width is then determined according to air duct board size, merogenesis length 1.5m.
Side wall and air duct board adopt ordinary steel template, and template system is made up of form surfacing, chute, degree of tightness part (studdle) etc., and consider the factors such as market supply, studdle adopts common jacking screw rod used.Be welded with the horizontal concrete chute of opening at template back surface and weld 100mm × 100mm × 10mm steel plate on studdle top, template can be connected with supported back screw rod or separate, so that the template of different model can be assembled.After template, horizontal support screw rod uses a upright support bar to be reinforced by horizontal support screw support, bar hole is opened in the middle of upright support bar, horizontal support screw rod passes from bar hole, and upright support bar is vertically worn every 100mm boring and cut son thus the relative position regulating horizontal support screw rod and upright support bar.Upright screw rod is welded on horizontal shuttering face, and adopts oblique angle Plate Welding to reinforce, upright support distance between tie rods 60cm, and horizontal screw bolt is between the upper and lower apart from determining according to template runner position.Template back surface arranges degree of tightness part mainly in order to template and structural concrete face be separated when being convenient to Template Location and form removal when installation form.
The present invention compared with prior art, has the following advantages and beneficial effect:
The Specific construction situation in air channel is watered after the present invention is directed to, by the concreting method of reserving hole, after effectively solving, water a difficult problem for air channel constructional difficulties, well solve the Forming Quality in air channel and accurately locate simultaneously, greatly save the cost of construction, suitable extensive use is promoted.
Detailed description of the invention
Embodiments of the invention are described below in detail, in describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Also can be directly be connected, also can be indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
Embodiment:
The present embodiment discloses a kind of construction method being applied to tread air channel, subway station, for after water the Specific construction situation in air channel, a difficult problem for air channel constructional difficulties is watered after a kind of can effectively solving is provided, accurate positioning rail road against the wind, and improve its Forming Quality, and save the method for construction cost greatly, specific implementation process is as follows:
When main structure of subway station is constructed, in advance according to construction drawing processing tread air channel reserved steel bar, and processing PVC reserving hole sleeve pipe.Before agent structure side wall template assembly, according to absolute altitude present position, tread air channel, calculate the combining form that punching block is assembled, assembled side wall template after setting-out, installation side wall reserved joint bar after side wall template assembly completes.
According to drawing setting-out tread air channel wall displacement also boring reserved air channel wall reinforcing bar after middle plate template assembly completes, place PVC simultaneously and reserve sleeve pipe and fix.
After shield structure has missed the stop, start tread air channel of constructing, air channel template system is assembled at the construction field (site).Colligation air duct board and air channel wall reinforcing bar after air duct board template assembly completes, reinforcing bar binding completes installs air channel mould by reinforced liner and template systems such as jacking, degree of tightness part, Screw arbor with nut at both-ends within the walls.
Concreting is reserved sleeve pipe hole by middle plate PVC and is injected tread air channel, and prepare two cover vibrating spears during concreting, air channel wall concrete vibrating is inserted by PVC preformed hole on middle plate, and air duct board concrete vibrating needs in-orbit inside, road against the wind to complete.
Concreting completes and first removes air channel wall Screw arbor with nut at both-ends after reaching form removal condition, loosens holder jacking, beats degree of tightness part jackscrew after strutting system has loosened, makes template disengaging concrete surface, carries out next stage construction afterwards.
Be understandable that, according to the construction method in tread air channel in one embodiment of the invention, operating principle and the course of work of the parts such as air channel template, fixture are all prior aries, and known by those skilled in the art, are just no longer described in detail here.
In the description of this manual, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example and combine in an appropriate manner.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: do not departing under principle of the present invention and aim and can carry out multiple change, amendment, replacement and modification to these embodiments, scope of the present invention is by claim and equivalents thereof.
Claims (8)
1. be applied to the construction method in tread air channel, subway station, it is characterized in that: comprise the steps:
(1) processing prepares tread air channel reserved steel bar in advance, and is not less than the PVC reserving hole sleeve pipe of middle plate thickness;
(2) calculate the assembled combining form of punching block, assembled side wall template after setting-out, after side wall template assembly completes, side wall reserved joint bar is installed;
(3) assembled middle template die plate, setting-out air channel wall displacement also boring reserved air channel wall reinforcing bar, places PVC reserving hole sleeve pipe simultaneously and fixes afterwards;
(4) after technique on shield machine's station-crossing completes, the Assembling of air channel template is carried out;
(5) by the air channel template colligation of having assembled on the reinforcing bar of air duct board and air channel wall, use reinforcing bar binding air channel mould within the walls, and use fixture to reinforce air channel template and air channel mould within the walls;
(6) build concrete and reserve sleeve pipe hole injection tread air channel by middle plate PVC, two cover vibrating spears are prepared when building concrete, a set of vibrating spear is reserved in sleeve pipe hole by inserting PVC, vibrates to the concrete in the wall of air channel, and the concrete of another set of vibrating spear in-orbit against the wind on the inner centering plate in road vibrates;
(7) after air channel wall concrete and air duct board concrete placings complete, reach after form removal condition until it, remove fixture, make template depart from concrete face;
(8) next construction section construction of tread air channel is entered.
2. a kind of construction method being applied to tread air channel, subway station according to claim 1, is characterized in that: in described step (1), and the PVC reserving hole casing length that processing prepares is identical with middle plate thickness.
3. a kind of construction method being applied to tread air channel, subway station according to claim 1 and 2, is characterized in that: in described step (3), and the spacing between fixing adjacent two PVC reserving hole sleeve pipes is 1000mm.
4. a kind of construction method being applied to tread air channel, subway station according to claim 1 and 2, it is characterized in that: in described step (3), middle template die plate is veneer.
5. a kind of construction method being applied to tread air channel, subway station according to claim 1 and 2, it is characterized in that: in described step (4), air channel template comprises air channel wall form and air duct board template.
6. a kind of construction method being applied to tread air channel, subway station according to claim 5, is characterized in that: in described step (4), and to the assembled employing merogenesis assembling of air channel template, merogenesis length is 1.5m.
7. a kind of construction method being applied to tread air channel, subway station according to claim 1 and 2, is characterized in that: in described step (5), and fixture is jacking or degree of tightness part or Screw arbor with nut at both-ends.
8. a kind of construction method being applied to tread air channel, subway station according to claim 1 and 2, is characterized in that: in described step (8), the length of construction section is 20 ~ 30m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410769847.6A CN104612697A (en) | 2014-12-15 | 2014-12-15 | Construction method for subway station track upwind way |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410769847.6A CN104612697A (en) | 2014-12-15 | 2014-12-15 | Construction method for subway station track upwind way |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104612697A true CN104612697A (en) | 2015-05-13 |
Family
ID=53147322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410769847.6A Pending CN104612697A (en) | 2014-12-15 | 2014-12-15 | Construction method for subway station track upwind way |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104612697A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829750A (en) * | 2017-09-27 | 2018-03-23 | 中建三局基础设施工程有限公司 | A kind of rail road and section shield synchronous construction structure and method against the wind |
| CN108798703A (en) * | 2018-07-03 | 2018-11-13 | 上海市城市建设设计研究总院（集团）有限公司 | Implement the construction method and its constructing structure in upper heat extraction air duct in compound tube coupling station |
| CN109162741A (en) * | 2018-10-29 | 2019-01-08 | 中铁十二局集团有限公司 | The method in shield crossing piston air duct and piston air duct superstructure synchronous construction |
| CN110700872A (en) * | 2019-09-11 | 2020-01-17 | 上海宝冶建筑装饰有限公司 | Construction method of rail top air duct |
| CN111501830A (en) * | 2020-04-30 | 2020-08-07 | 中建八局轨道交通建设有限公司 | Subway open cut station rail top air duct structure and sequential construction method thereof |
| CN111648404A (en) * | 2020-06-02 | 2020-09-11 | 中建八局轨道交通建设有限公司 | Construction method for top air duct of rail of open cut station of reverse subway |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3103284B2 (en) * | 1994-12-16 | 2000-10-30 | 株式会社奥村組 | Tunnel excavation shearing gantry |
| CN202466327U (en) * | 2012-02-24 | 2012-10-03 | 中铁十二局集团第二工程有限公司 | Rail top air duct in subway station |
| CN203403650U (en) * | 2013-08-28 | 2014-01-22 | 中铁十一局集团城市轨道工程有限公司 | Improved semi-prefabricated subway station rail top wind channel |
-
2014
- 2014-12-15 CN CN201410769847.6A patent/CN104612697A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3103284B2 (en) * | 1994-12-16 | 2000-10-30 | 株式会社奥村組 | Tunnel excavation shearing gantry |
| CN202466327U (en) * | 2012-02-24 | 2012-10-03 | 中铁十二局集团第二工程有限公司 | Rail top air duct in subway station |
| CN203403650U (en) * | 2013-08-28 | 2014-01-22 | 中铁十一局集团城市轨道工程有限公司 | Improved semi-prefabricated subway station rail top wind channel |
Non-Patent Citations (1)
| Title |
|---|
| 刘婷等: "轨顶风道先浇法施工工艺的设计和应用", 《西部交通科技》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829750A (en) * | 2017-09-27 | 2018-03-23 | 中建三局基础设施工程有限公司 | A kind of rail road and section shield synchronous construction structure and method against the wind |
| CN107829750B (en) * | 2017-09-27 | 2019-10-25 | 中建三局基础设施工程有限公司 | A kind of rail road and section shield constructing structure and method simultaneously against the wind |
| CN108798703A (en) * | 2018-07-03 | 2018-11-13 | 上海市城市建设设计研究总院（集团）有限公司 | Implement the construction method and its constructing structure in upper heat extraction air duct in compound tube coupling station |
| CN108798703B (en) * | 2018-07-03 | 2023-10-03 | 上海市城市建设设计研究总院（集团）有限公司 | Construction method for implementing upper heat extraction air duct in composite pipe joint station and construction structure thereof |
| CN109162741A (en) * | 2018-10-29 | 2019-01-08 | 中铁十二局集团有限公司 | The method in shield crossing piston air duct and piston air duct superstructure synchronous construction |
| CN110700872A (en) * | 2019-09-11 | 2020-01-17 | 上海宝冶建筑装饰有限公司 | Construction method of rail top air duct |
| CN110700872B (en) * | 2019-09-11 | 2021-08-27 | 上海宝冶建筑装饰有限公司 | Construction method of rail top air duct |
| CN111501830A (en) * | 2020-04-30 | 2020-08-07 | 中建八局轨道交通建设有限公司 | Subway open cut station rail top air duct structure and sequential construction method thereof |
| CN111648404A (en) * | 2020-06-02 | 2020-09-11 | 中建八局轨道交通建设有限公司 | Construction method for top air duct of rail of open cut station of reverse subway |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104612697A (en) | Construction method for subway station track upwind way | |
| CN104400898A (en) | Vertical integral forming mould of novel prefabricated concrete segment and forming method thereof | |
| CN204311741U (en) | Rack template system is watered behind a kind of portable tread air channel | |
| CN103437791B (en) | The mounting method of buried water stop in a kind of tunnel lining trolley termination | |
| CN103470272B (en) | A kind of chassis for the multiple section concrete construction of Mining Method and construction method thereof | |
| CN207582956U (en) | A kind of one-time formed constructing device of concrete window tongue and groove | |
| CN109208790B (en) | Single-side formwork erecting construction method for arc shear wall | |
| CN203022024U (en) | Integrally-movable formwork for pipe gallery cast-in-situ construction | |
| CN102966121A (en) | Integrally movable mould frame for pipe rack cast-in-site construction | |
| CN104131704A (en) | Steel pipe column concrete lateral pouring method and steel pipe column structure used in method | |
| CN207362703U (en) | Box beam steel and wood composite template | |
| CN107460889A (en) | Integral movable support formwork in underground comprehensive pipe gallery construction and construction method thereof | |
| CN208816125U (en) | Shield inspection-pit maintenance backfill support construction | |
| CN107191006B (en) | Dismantling and repairing method for refractory concrete layer of diversion trench | |
| CN103306463B (en) | Metal liner concrete air channel construction method | |
| CN104153573B (en) | V-type cylinder concrete pour mould and construction method | |
| CN111472540A (en) | Integrated formwork system suitable for concrete pouring of pool wall and construction method thereof | |
| CN109869153B (en) | Integral lifting cantilever formwork device for rapidly constructing shaft lining and construction method | |
| CN203499697U (en) | Trolley used for concrete construction of various cross sections through mining method | |
| CN106567538B (en) | A kind of positioning mold of toilet concrete flanging | |
| CN110017023A (en) | Collar tie beam construction method based on tool-type regularization concrete collar tie beam formwork erecting structure | |
| CN113021603A (en) | Construction method for prefabricated assembled diamond type bent cap | |
| CN210685375U (en) | Quick-release formwork for cast-in-place slab strips between laminated floors | |
| CN204327154U (en) | A kind of moving die plate system for tread air channel | |
| CN109372522B (en) | Construction method of complex overlapping tunnel for urban rail transit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150513 |
|
| RJ01 | Rejection of invention patent application after publication |