CN202707093U - Temporary support system for tunnel construction - Google Patents
Temporary support system for tunnel construction Download PDFInfo
- Publication number
- CN202707093U CN202707093U CN201220415579.4U CN201220415579U CN202707093U CN 202707093 U CN202707093 U CN 202707093U CN 201220415579 U CN201220415579 U CN 201220415579U CN 202707093 U CN202707093 U CN 202707093U
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- Prior art keywords
- construction
- stiff girder
- support system
- steel arch
- beams
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- 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.)
- Expired - Lifetime
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- Lining And Supports For Tunnels (AREA)
Abstract
Disclosed is a temporary support system for tunnel construction. Two problems are brought about when temporary supports are adopted for reinforcement, namely that a certain number of steel products are needed, and the temporary supports occupy most of space needed by inverted arch construction and bring great inconvenience to the inverted arch construction and have a strong impact on construction efficiency. The temporary support system for the tunnel construction comprises stiffening beams (1), wherein the stiffening beams (1) are fixed on two sides of a footing of each steel arch (3) with construction finished through lock catches (2), and the stiffening beams (1) extend to two sides of a footing of each steel arch (4) with construction unfinished. Lateral support beams (5) are arranged between the stiffening beam on one side and the stiffening beam on the other side to form a quadrangular structure, wherein the lateral support beams (5) are provided with length adjusting devices (6). The temporary support system for the tunnel construction is used for tunnel construction support.
Description
Technical field:
The utility model relates to a kind of constructing tunnel temporary supporting system.
Background technology:
When adopting New Austrian Tunneling Method principle design and construction V level surrounding rock tunnel, elementary supporting great majority adopt take the steel arch frame as main combined type lining cutting supporting.This supporting and protection structure is least stable when inverted arch is constructed, and the steel arch frame very easily sinks, is out of shape, thereby causes tunnel to cave in.Often adopt the way of interim cross binding to solve in the construction, namely in the paragraph that is about to construction, laterally each Pin steel arch support is fixed above not closed steel arch frame footing with steel part, stop its displacement.
But, when adopting temporary supporting to reinforce, will bring two problems: the one, need the steel of some; The 2nd, temporary supporting takies the required space of most of inverted arch construction, and construction brings great inconvenience to inverted arch, has a strong impact on efficiency of construction.
Summary of the invention:
The purpose of this utility model provides a kind of constructing tunnel temporary supporting system, does not need to take the inverted arch construction space fully, very convenient operation.
Above-mentioned purpose realizes by following technical scheme:
A kind of constructing tunnel temporary supporting system, its composition comprises: stiff girder, described stiff girder is fixed on respectively the both sides of the steel arch frame footing of finishing construction by snap close, described stiff girder extends the both sides of the steel arch frame footing of not finishing construction, between the described stiff girder of one side and the described stiff girder of opposite side the cross binding beam is installed, form quadrilateral structure, described cross binding beam is provided with length adjuster.
Described constructing tunnel temporary supporting system, described stiff girder side is fixed with one group of steel arch frame.
Beneficial effect:
When this product used, the upper end of two described stiff girders was fixed on respectively the top of the steel arch frame footing of finishing construction by snap close, do not need to take the inverted arch construction space fully, very convenient operation.Compare the steel of use with traditional support system and can save 60%.
Description of drawings:
Accompanying drawing 1 is the structural representation of this product.
The specific embodiment:
Embodiment 1:
A kind of constructing tunnel temporary supporting system, its composition comprises: stiff girder 1, described stiff girder is fixed on respectively the both sides of steel arch frame 3 footing of finishing construction by snap close 2, described stiff girder extends the both sides of steel arch frame 4 footing of not finishing construction, between the described stiff girder of one side and the described stiff girder of opposite side cross binding beam 5 is installed, form quadrilateral structure, described cross binding beam is provided with length adjuster 6.
Embodiment 1:
Described constructing tunnel temporary supporting system, described stiff girder side is fixed with one group of steel arch frame.
Mounting method:
At first the end with two longitudinal stiffening girders is being temporarily fixed on the steel arch frame of finishing the inverted arch construction with snap close above the steel arch frame footing respectively; The other end of stiff girder is supported by the cross binding beam, in the support process, should keep whole system in same plane; When longitudinal stiffening girder and steel arch frame can not close contacts, use the timber wedge wedging, make the reinforcing that can both be supported of every Pin steel arch frame, form complete support system, then carry out the reinforcing that can both be supported of inverted arch frame, form complete support system, then carry out the inverted arch construction, form the inverted arch construction section of finishing 7.Treat that the inverted arch concrete strength reaches 5Mpa dismountable temporary supporting system when above, carries out the Construction of Supporting of next inverted arch construction section 8.
Claims (2)
1. constructing tunnel temporary supporting system, its composition comprises: stiff girder, it is characterized in that: described stiff girder is fixed on respectively the both sides of the steel arch frame footing of finishing construction by snap close, described stiff girder extends the both sides of the steel arch frame footing of not finishing construction, between the described stiff girder of one side and the described stiff girder of opposite side the cross binding beam is installed, form quadrilateral structure, described cross binding beam is provided with length adjuster.
2. described constructing tunnel temporary supporting system according to claim 1, it is characterized in that: described stiff girder side is fixed with one group of steel arch frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220415579.4U CN202707093U (en) | 2012-08-21 | 2012-08-21 | Temporary support system for tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220415579.4U CN202707093U (en) | 2012-08-21 | 2012-08-21 | Temporary support system for tunnel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202707093U true CN202707093U (en) | 2013-01-30 |
Family
ID=47587402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220415579.4U Expired - Lifetime CN202707093U (en) | 2012-08-21 | 2012-08-21 | Temporary support system for tunnel construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202707093U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696786A (en) * | 2013-11-14 | 2014-04-02 | 中铁隧道集团有限公司 | Arch support connecting method for enhancing longitudinal stability between steel arch supports |
| CN107191203A (en) * | 2017-04-05 | 2017-09-22 | 中铁二十二局哈尔滨铁路建设集团有限责任公司 | It is a kind of it is adjustable control tunnel surrounding convergent deformation false stull device and apply method |
-
2012
- 2012-08-21 CN CN201220415579.4U patent/CN202707093U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696786A (en) * | 2013-11-14 | 2014-04-02 | 中铁隧道集团有限公司 | Arch support connecting method for enhancing longitudinal stability between steel arch supports |
| CN107191203A (en) * | 2017-04-05 | 2017-09-22 | 中铁二十二局哈尔滨铁路建设集团有限责任公司 | It is a kind of it is adjustable control tunnel surrounding convergent deformation false stull device and apply method |
| CN107191203B (en) * | 2017-04-05 | 2023-11-28 | 中铁二十二局集团第一工程有限公司 | Temporary transverse strut device capable of adjustably controlling tunnel surrounding rock convergence deformation and construction method |
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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 |
Granted publication date: 20130130 |
|
| CX01 | Expiry of patent term |