CN202900288U - Steel section skeleton combined structure of tunnel minor radius section lining pouring - Google Patents
Steel section skeleton combined structure of tunnel minor radius section lining pouring Download PDFInfo
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- CN202900288U CN202900288U CN2012205651255U CN201220565125U CN202900288U CN 202900288 U CN202900288 U CN 202900288U CN 2012205651255 U CN2012205651255 U CN 2012205651255U CN 201220565125 U CN201220565125 U CN 201220565125U CN 202900288 U CN202900288 U CN 202900288U
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Abstract
The utility model discloses a steel section skeleton combined structure of tunnel minor radius section lining pouring. The steel section skeleton combined structure of the tunnel minor radius section lining pouring comprises a plurality of structural steel skeleton units. Each structural steel skeleton unit is composed of a vault arc-shaped skeleton and two arch foot arc-shaped skeletons which are installed on two sides of a tunnel. The vault arc-shaped skeleton is installed on the top of the tunnel, and each arch foot arc-shaped skeleton is connected with the vault arc-shaped skeleton in a flange mode. A transversely supporting skeleton is arranged between the two arch foot arc-shaped skeletons. The plurality of structural steel skeleton units are fixedly connected through reinforcing steel bars in a welded mode along the depth direction of the tunnel. The steel section skeleton combined structure of the tunnel minor radius section lining pouring has the advantages of being reasonable in design, enabling efficiency of assembly and disassembly of formworks to be greatly improved, greatly saving cost and needed working procedure time of custom-made special lining trolley equipment, being capable of being repeatedly used, and being applicable to lining concrete construction of tunnel linear with a minor radius and large radian.
Description
Technical field
The utility model relates to the type steel skeleton combining structure that the small radius section lining cutting of a kind of tunnel is built, and particularly less, the larger section lining construction equipment of radian of the linear sweep in a kind of suitable tunnel belongs to the building construction formwork field.
Background technology
Along with construction of tunnel and preventive works need, often need to carry out the lining cutting supporting in the construction and comprise building of lining cutting concrete.Generally adopt the fluid pressure type lining trolley for lining construction, it is straightway and the less curved section lining construction of radius radian that traditional handicraft is applicable to the tunnel linear.Because being the straight line typified form, can't satisfy and lining trolley can't pass through such tunnel for linear small radius, lining construction that radian is larger hydraulic lining trolley.
The utility model content
The utility model purpose: the purpose of this utility model is can't satisfy for traditional lining cutting hydraulic jumbo the construction needs of small radius, the larger tunnel lining concrete of radian, provide a kind of scene easy for installation, simple to operate, remove easily the Novel section steel skeleton combining structure that concrete quality and moulding are good.
Technical scheme: the type steel skeleton combining structure that a kind of tunnel small radius section lining cutting described in the utility model is built, comprise a plurality of type steel skeletons unit, described type steel skeleton unit is made of a vault arc skeleton, two arch springing arc skeletons, described two arch springing arc skeletons are installed in the both sides, tunnel, a vault arc skeleton is installed in the top in tunnel, and adopt flange to be connected between arch springing arc skeleton and the vault arc skeleton, be provided with the stull skeleton between described two arch springing arc skeletons; Adopt reinforcing bar to be welded to connect fixing along the tunnel depth direction between a plurality of type steel skeletons unit.
Further, between two arch springing arc skeletons of described type steel skeleton unit three stull skeletons that are parallel to each other are installed from bottom to top.
Further, described arch springing arc skeleton inboard is provided with connecting elements, and the two ends of described stull skeleton are connected by flange with connecting elements.
Further, along its radian direction wooden form is installed between the adjacent skeleton unit.
Further, described wooden form utilizes reinforced bar fastener to be fixed on the type steel skeleton unit.
Adopt above-mentioned skeleton combining structure, carry out the lining concrete job practices, mainly may further comprise the steps: measure unwrapping wire, reinforcing bar binding and examination, integral mold plate design and making, the on-the-spot pre-assembly of template, template installation, concreting, form removable and concrete curing, the step that wherein said template is installed comprises:
A) reinforcing bar binding installation in position, check that tunnel clearance and verticality meet the requirements after, can progressive type steel frame cellular installation;
B) before template is installed, template Di Kou control point should be set, eject control line, skeleton unit is carried out levelling.
C) during the skeleton assembly unit, flange connects and adopts high-strength bolt, carries out verification and performs the support of skeleton pin, mounting arch parietal bone frame and two, three road stulls after installing arch springing arc skeleton and first stull.The unit skeleton vertically adopts the fixing welding of reinforcing bar.
Can adopt loader to install in conjunction with artificial the cooperation when D) skeleton is installed.
E) wooden model is installed according to laying the skeleton unit spacing and is processed wooden model, and installs, and utilizes reinforced bar fastener to be fixed; And carry out the processing mortar leakage prevention of wooden model piece.
F) after the template installation, reply verticality, headroom, axial location, formwork edge joint etc. are veritified, and can carry out concreting after the acceptance(check).
The method of described concreting comprises:
A) should carry out symmetrical blanking during concreting, symmetry is vibrated, and pays special attention to the concreting time, control concreting speed and lift height, and concreting speed should be controlled at 2m/ hour, layer height 2m.
B) utilize 4 ￠ 30mm vibrating heads to make firm by ramming, and keep the concrete thickness in the concrete zone, in time add as placed concrete, concrete is spread gradually towards periphery from operation window.
C) the vault place utilizes plate vibrator to vibrate, thereby guarantees that the vault place is concrete closely knit.
Utilize flange to connect to form skeleton unit, be fastenedly connected and guarantee that slippage does not appear in skeleton unit.Wooden model is installed and is carried out the assembly unit seam, can guarantee Structure Appearance Quality, and with rational job practices.Particularly in concreting process, note speed of perfusion, lift height and build the time, build order and can reduce residual bubble, make mortar be full of the aggregate space and make concrete surface smooth.Concrete quality and outward appearance are good after the form removal, satisfy the tunnel lining concrete requirement.Reasonable in design because of skeleton unit, template assembly and dismounting efficient are improved greatly, greatly save the special lining trolley equipment cost of customization and needed activity time.And can reuse, the most suitable tunnel is linear to be that the larger lining concrete construction of small radius, radian is used.
The utility model compared with prior art, its beneficial effect is: the utility model is reasonable in design, makes template assembly and removes efficient and greatly improve, and greatly saves the special lining trolley equipment cost of customization and needed activity time; And can reuse, the most suitable tunnel is linear to be that the larger lining concrete construction of small radius, radian is used.
Description of drawings
Fig. 1 is the type steel skeleton combining structure schematic diagram that tunnel described in the utility model small radius section lining cutting is built.
The specific embodiment
The below is elaborated to technical solutions of the utility model, but protection domain of the present utility model is not limited to described embodiment.
As shown in Figure 1, the type steel skeleton combining structure that the small radius section lining cutting of a kind of tunnel is built, comprise a plurality of type steel skeletons unit, described type steel skeleton unit is by a vault arc skeleton 1, two arch springing arc skeletons 2 consist of, described two arch springing arc skeletons 2 are installed in the both sides, tunnel, a vault arc skeleton 1 is installed in the top in tunnel, and adopt flange to be connected between arch springing arc skeleton 2 and the vault arc skeleton 1, between described two arch springing arc skeletons 2 three stull skeletons 5 that are parallel to each other are installed from bottom to top, 4,3, described arch springing arc skeleton 2 inboards are provided with 6, three stull skeletons 3 of connecting elements, 4,5 two ends are connected by flange 7 with connecting elements 6.
Adopt reinforcing bar 9 to be welded to connect fixing along the tunnel depth direction between a plurality of type steel skeletons unit, along its radian direction wooden form 8 is installed between the adjacent skeleton unit, described wooden form 8 utilizes reinforced bar fastener to be fixed on the type steel skeleton unit, is used for concreting 10.
As mentioned above, although the specific preferred embodiment of reference has represented and has explained the utility model that it shall not be construed as the restriction to the utility model self.Under the spirit and scope prerequisite of the present utility model that does not break away from the claims definition, can make in the form and details various variations to it.
Claims (5)
1. type steel skeleton combining structure that tunnel small radius section lining cutting is built, it is characterized in that, comprise a plurality of type steel skeletons unit, described type steel skeleton unit is made of a vault arc skeleton, two arch springing arc skeletons, described two arch springing arc skeletons are installed in the both sides, tunnel, a vault arc skeleton is installed in the top in tunnel, and adopts flange to be connected between arch springing arc skeleton and the vault arc skeleton, is provided with the stull skeleton between described two arch springing arc skeletons; Adopt reinforcing bar to be welded to connect fixing along the tunnel depth direction between a plurality of type steel skeletons unit.
2. the tunnel small radius section lining cutting according to claim 1 type steel skeleton combining structure of building is characterized in that, between two arch springing arc skeletons of described type steel skeleton unit three stull skeletons that are parallel to each other is installed from bottom to top.
3. the tunnel small radius section lining cutting according to claim 1 and 2 type steel skeleton combining structure of building is characterized in that described arch springing arc skeleton inboard is provided with connecting elements, and the two ends of described stull skeleton are connected by flange with connecting elements.
4. the tunnel small radius section lining cutting according to claim 1 type steel skeleton combining structure of building is characterized in that, along its radian direction wooden form is installed between the adjacent skeleton unit.
5. the tunnel small radius section lining cutting according to claim 4 type steel skeleton combining structure of building is characterized in that described wooden form utilizes reinforced bar fastener to be fixed on the type steel skeleton unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205651255U CN202900288U (en) | 2012-10-31 | 2012-10-31 | Steel section skeleton combined structure of tunnel minor radius section lining pouring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205651255U CN202900288U (en) | 2012-10-31 | 2012-10-31 | Steel section skeleton combined structure of tunnel minor radius section lining pouring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202900288U true CN202900288U (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205651255U Expired - Lifetime CN202900288U (en) | 2012-10-31 | 2012-10-31 | Steel section skeleton combined structure of tunnel minor radius section lining pouring |
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| CN (1) | CN202900288U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557013A (en) * | 2013-11-06 | 2014-02-05 | 王静 | Annular steel structure supporting construction method with open type TBM (tunnel boring machine) |
| CN106014457A (en) * | 2015-03-24 | 2016-10-12 | 中铁隆工程集团有限公司 | Connection application of L-shaped grille joint in tunnel initial supporting structure |
| CN107605510A (en) * | 2017-11-09 | 2018-01-19 | 山东科技大学 | A kind of drag-line steel grating bow member and its construction method |
| CN108561160A (en) * | 2018-05-24 | 2018-09-21 | 中铁十局集团第工程有限公司 | Two lined steel muscle bracing means of ledge method large cross-section tunnel and reinforcement means |
| CN110195514A (en) * | 2018-02-26 | 2019-09-03 | 中国核工业第五建设有限公司 | A kind of segment-shaped dome concreting method |
-
2012
- 2012-10-31 CN CN2012205651255U patent/CN202900288U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557013A (en) * | 2013-11-06 | 2014-02-05 | 王静 | Annular steel structure supporting construction method with open type TBM (tunnel boring machine) |
| CN106014457A (en) * | 2015-03-24 | 2016-10-12 | 中铁隆工程集团有限公司 | Connection application of L-shaped grille joint in tunnel initial supporting structure |
| CN107605510A (en) * | 2017-11-09 | 2018-01-19 | 山东科技大学 | A kind of drag-line steel grating bow member and its construction method |
| CN107605510B (en) * | 2017-11-09 | 2023-08-22 | 山东科技大学 | Dragline type steel grid arch frame and construction method thereof |
| CN110195514A (en) * | 2018-02-26 | 2019-09-03 | 中国核工业第五建设有限公司 | A kind of segment-shaped dome concreting method |
| CN108561160A (en) * | 2018-05-24 | 2018-09-21 | 中铁十局集团第工程有限公司 | Two lined steel muscle bracing means of ledge method large cross-section tunnel and reinforcement means |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |