CN104612741A - Rail top air channel trolley construction method - Google Patents
Rail top air channel trolley construction method Download PDFInfo
- Publication number
- CN104612741A CN104612741A CN201410817759.9A CN201410817759A CN104612741A CN 104612741 A CN104612741 A CN 104612741A CN 201410817759 A CN201410817759 A CN 201410817759A CN 104612741 A CN104612741 A CN 104612741A
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- China
- Prior art keywords
- chassis
- air channel
- base plate
- construction method
- template
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Classifications
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- 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
Abstract
The invention relates to a rail top air channel trolley construction method. The rail top air channel trolley construction method comprises the following steps that (S1) a rail is laid in a station body in the extending direction of the station body, a trolley capable of vertically ascending and descending is spliced on the rail, and the trolley is made to be in sliding fit with the rail; (S2) a bottom plate is arranged on the top of the trolley, and the height of the trolley relative to the top of the station body is adjusted in an ascending and descending mode; (S3) reserved steel bars in a rail top air channel of the station body are dug out, later-stage steel bars for the bottom plate and a vertical wall are installed, and the reserved steel bars and the later-stage steel bars are bound; (S4) vertical inner side formworks are perpendicularly and fixedly connected to the bottom plate, and reinforced concrete cushion blocks are arranged at the crossed positions of inner side webs and the bottom plate; (S5) outer side formworks are arranged on the outer sides of the inner side formworks at intervals, and the inner side formworks and the outer side formworks are fixed through split bolts; (S6) concrete is poured between the inner side formworks and the outer side formworks, between the inner side formworks and the bottom plate and between the inner side formworks and the station body at a time. By means of the rail top air channel trolley construction method, the construction speed can be increased, and the manual work labor intensity can be lowered.
Description
Technical field
The present invention relates to tread air channel chassis construction method.
Background technology
Tread air channel is a sleeve configuration reinforced concrete structure, is made up of the base plate of transverse direction and vertical straight wall.Tread air channel, subway station is divided into prefabricated and cast-in-place two kinds.At present, the construction of cast-in-place method is mostly adopted at home.Cast-in-situ steel reinforced concrete tread air channel be divided into again first water and after water two kinds, under and shield-tunneling construction asynchronous with agent structure drawing by Bidding Invition, station internal construction drawing need to be limited by conditions such as stations, tread air channel can not be built with station agent structure simultaneously, waters method construction after must adopting.
The form that method construction conventional method adopts segmented-erection steel pipe scaffold and wooden form is usually watered behind tread air channel, after support has been set up, mounting base template, colligation base plate and straight wall reinforcing bar, straight wall outboard template is installed, builds base plate and bottom straight wall concrete, after reaching some strength, straight wall inner side template be installed and reinforce, finally building straight wall top concrete again.Construct after reaching form removal requirement, striking and template, be circulated to next section of construction.
Above-mentioned conventional rail against the wind road construction need to install in a large number in agent structure AT STATION, the work of striking template system, high to workman's technical requirements, speed of application is slow, labour's input amount is large, and general employing laminated wood template, the template number of turnover is few, and waste resource, does not meet the theory of environmental protection construction.And because base plate and straight wall are not that one-time-concreting is shaping, operation is more, and can cause producing constuction joint between base plate and straight wall, is unfavorable for the globality of structure.
Summary of the invention
In order to overcome the deficiencies in the prior art, the object of the present invention is to provide tread air channel chassis construction method, can speed of application be improved, reduce manual work labour intensity.
Object of the present invention adopts following technical scheme to realize:
Tread air channel chassis construction method, comprises the following steps:
Lay track along the bearing of trend of station main body in S1, AT STATION main body, on that track assembled can vertical lifting chassis and this chassis is coordinated with non-orbiting scroll;
S2, base plate is positioned over chassis top, lift adjustment chassis is relative to the height of station body top;
S3, the reserved steel bar dug out in main body tread air channel, station, install the later stage reinforcing bar being used for base plate and straight wall, reserved steel bar and later stage reinforcing bar carried out colligation;
S4, vertical inner side template is vertically fixed in base plate, this interior coxostermum and base plate delivery position arrange steel concrete cushion block;
S5, outboard template interval is located at the outside of inner side template, inner side template and outer coxostermum are fixed by split bolt;
S6, between inner side template and outboard template and between inner side template and base plate, station main body one-time-concreting concrete, make the straight wall that formed between inner side template and outboard template and base plate one-time-concreting shaping.
Preferably, further comprising the steps of between step S5 and step S6: the opening mould plate installing the hole for the formation of ventilation on described base plate; Tracking against the wind road adopts section construction, and the concrete interface position between section and section is installed and is used for concrete closing in net described in shutoff.
Preferably, in described step S2, the top of chassis is provided with supporting traverse, chassis bottom be fixed with jack, supporting traverse is connected by support with jack and passes through this support and realizes regulating relative to the height of station body top.
Preferably, described base plate, inner side template and outboard template all adopt aluminium alloy plate.
Compared to existing technology, beneficial effect of the present invention is:
(1) the present invention has abandoned conventional template needs to set up template complex support system, realize construction equipment, by the direct jacking bottom plate of chassis, with inner side template, outboard template, station main body encloses the cavity formed for concreting, pass through layers of concrete simultaneously, in split bolt fixes, outboard template, thus greatly accelerate speed of application, under the guiding of track, chassis can be promoted easily after one section of construction to enter next section and construct, and, base plate and straight wall concrete one-time-concreting shaping, avoid the shortcoming that in conventional method, sidewall hanging beam concrete need be built at twice, simplify working procedure, reduce manual work labour intensity, decrease the generation of constuction joint, be conducive to the resistance to overturning of tread air channel structure,
(2) the present invention utilizes jack to adjust elevation and the plan-position of chassis, base plate, inner side template, the installation of outboard template, dismounting work can be realized easily, which compares Traditional Wood formwork integral good stability, ensure that air channel concreting surfacing is bright and clean;
(3) aluminium alloy plate of the present invention can reach more than 300 times by the number of turnover, and recovery value is high, avoids the wasting of resources.
Detailed description of the invention
Tread air channel chassis construction method, comprises the following steps:
Lay track along the bearing of trend of station main body in S1, AT STATION main body, on that track assembled can vertical lifting chassis and this chassis is coordinated with non-orbiting scroll; Track can adopt steel track, and track bottom rail paving i iron sleeper, to promote the stability of chassis movement;
S2, base plate is positioned over chassis top, lift adjustment chassis is relative to the height of station body top; The spacing distance of this base plate and station body top presets, then carries out lift adjustment to chassis, so that base top is risen to precalculated position;
S3, the reserved steel bar dug out in main body tread air channel, station, install the later stage reinforcing bar being used for base plate and straight wall, reserved steel bar and later stage reinforcing bar carried out colligation; For reinforcing bar and the reinforcing bar reinforced for straight wall of jacking of floor all together with reserved reinforcing bar binding, generally connected by welding manner;
S4, vertical inner side template is vertically fixed in base plate, this interior coxostermum and base plate delivery position arrange steel concrete cushion block; This steel concrete cushion block is used for stable support inner side template, to keep rigidity;
S5, outboard template interval is located at the outside of inner side template, inner side template and outer coxostermum are fixed by split bolt; Inner side template and outboard template composition build the space of straight wall, in conjunction with both inner reinforcing bar, can straight wall be reinforced to make follow-up pouring reinforcement;
S6, between inner side template and outboard template and between inner side template and base plate, station main body one-time-concreting concrete, make the straight wall that formed between inner side template and outboard template and base plate one-time-concreting shaping; Casting process, builds, by one end continuous placing to the other end in the cavity that can surround toward base plate, straight wall and station main body in the preformed hole of main body AT STATION.
By above-mentioned steps, chassis can once mounting shaping, behind one section of tread air channel of having constructed, need not repeat to install, remove chassis support system, only need promote chassis and utilize rail track to march to next section of circulation construction.When form removal is to next section circulation construction, vertical inner side template and vertical outboard template is only had to need manual demolition, the dismounting of base plate makes chassis height decline by adjustment jack, namely base plate departs from the concrete of having built, chassis to next section of construction location, can carry out next construction section reinforcing bar binding after adjusting height by rail forward impelling by jack.Wherein, after inner side template, outboard template are installed, diagonal brace or other water booster system can be set, keep the intensity of inner side template, outboard template, prevent from.
As a preferred embodiment of the present invention, further comprising the steps of between step S5 and step S6: the opening mould plate installing the hole for the formation of ventilation on described base plate, the base plate position in this tread air channel is by design drawing reserved opening, opening mould plate is installed, as the ventilation opening in tread air channel; Tracking against the wind road adopts section construction, concrete interface position between section and section is installed and is used for concrete closing in net described in shutoff, the closing in net installed is guaranteed to connect the concrete roughness in batch position, the leakproofness that the two sections of tread air channels being conducive to successively construction connect.
Particularly, the present invention realizes chassis and to be elevated and the mode driving base plate to be elevated is: in described step S2, the top of chassis is provided with supporting traverse, this supporting traverse is used for support baseboard, chassis bottom be fixed with jack, supporting traverse is connected by support with jack and passes through this support and realizes regulating relative to the height of station body top, carrys out driving arm, and drive supporting traverse lift adjustment by jack.
As the preferred embodiment of the present invention, base plate, inner side template and outboard template all adopt aluminium alloy plate, are beneficial to recovery.
Above-mentioned embodiment is only the preferred embodiment of the present invention; can not limit the scope of protection of the invention with this, change and the replacement of any unsubstantiality that those skilled in the art does on basis of the present invention all belong to the present invention's scope required for protection.
Claims (4)
1. tread air channel chassis construction method, is characterized in that comprising the following steps:
Lay track along the bearing of trend of station main body in S1, AT STATION main body, on that track assembled can vertical lifting chassis and this chassis is coordinated with non-orbiting scroll;
S2, base plate is positioned over chassis top, lift adjustment chassis is relative to the height of station body top;
S3, the reserved steel bar dug out in main body tread air channel, station, install the later stage reinforcing bar being used for base plate and straight wall, reserved steel bar and later stage reinforcing bar carried out colligation;
S4, vertical inner side template is vertically fixed in base plate, this interior coxostermum and base plate delivery position arrange steel concrete cushion block;
S5, outboard template interval is located at the outside of inner side template, inner side template and outer coxostermum are fixed by split bolt;
S6, between inner side template and outboard template and between inner side template and base plate, station main body one-time-concreting concrete, make the straight wall that formed between inner side template and outboard template and base plate one-time-concreting shaping.
2. tread air channel according to claim 1 chassis construction method, is characterized in that: further comprising the steps of between step S5 and step S6: the opening mould plate installing the hole for the formation of ventilation on described base plate; Tracking against the wind road adopts section construction, and the concrete interface position between section and section is installed and is used for concrete closing in net described in shutoff.
3. tread air channel according to claim 1 chassis construction method, it is characterized in that: in described step S2, the top of chassis is provided with supporting traverse, chassis bottom be fixed with jack, supporting traverse is connected by support with jack and passes through this support and realizes regulating relative to the height of station body top.
4. the tread air channel chassis construction method according to any one of claims 1 to 3, is characterized in that: described base plate, inner side template and outboard template all adopt aluminium alloy plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410817759.9A CN104612741A (en) | 2014-12-24 | 2014-12-24 | Rail top air channel trolley construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410817759.9A CN104612741A (en) | 2014-12-24 | 2014-12-24 | Rail top air channel trolley construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104612741A true CN104612741A (en) | 2015-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410817759.9A Pending CN104612741A (en) | 2014-12-24 | 2014-12-24 | Rail top air channel trolley construction method |
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| CN (1) | CN104612741A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863676A (en) * | 2016-04-07 | 2016-08-17 | 山东天齐置业集团股份有限公司 | Construction method for underground loop on-site concrete air duct |
| CN106437770A (en) * | 2016-11-09 | 2017-02-22 | 湖南五新模板有限公司 | Hydraulic formwork trolley for rail top air duct post-pouring construction |
| CN109441484A (en) * | 2018-11-26 | 2019-03-08 | 中铁隧道集团三处有限公司 | A kind of formwork jumbo construction method of underground narrow space air hose passage construction |
| CN113550761A (en) * | 2021-09-03 | 2021-10-26 | 中交隧道工程局有限公司 | Construction method of support frame body of subway station rail top air duct |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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
- 2014-12-24 CN CN201410817759.9A patent/CN104612741A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
|---|
| 杜宇: "全预制轨顶风道在成都地铁2号线工程中的设计与应用", 《中华民居》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863676A (en) * | 2016-04-07 | 2016-08-17 | 山东天齐置业集团股份有限公司 | Construction method for underground loop on-site concrete air duct |
| CN106437770A (en) * | 2016-11-09 | 2017-02-22 | 湖南五新模板有限公司 | Hydraulic formwork trolley for rail top air duct post-pouring construction |
| CN106437770B (en) * | 2016-11-09 | 2018-11-09 | 湖南五新模板有限公司 | A kind of hydraulic template trolley for pouring construction after rail against the wind road |
| CN109441484A (en) * | 2018-11-26 | 2019-03-08 | 中铁隧道集团三处有限公司 | A kind of formwork jumbo construction method of underground narrow space air hose passage construction |
| CN113550761A (en) * | 2021-09-03 | 2021-10-26 | 中交隧道工程局有限公司 | Construction method of support frame body of subway station rail top air duct |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150513 |
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| RJ01 | Rejection of invention patent application after publication |