CN202001020U - Outer arch frame of open cut tunnel - Google Patents
Outer arch frame of open cut tunnel Download PDFInfo
- Publication number
- CN202001020U CN202001020U CN2011200708869U CN201120070886U CN202001020U CN 202001020 U CN202001020 U CN 202001020U CN 2011200708869 U CN2011200708869 U CN 2011200708869U CN 201120070886 U CN201120070886 U CN 201120070886U CN 202001020 U CN202001020 U CN 202001020U
- Authority
- CN
- China
- Prior art keywords
- bow member
- tunnel
- arch frame
- support bar
- open trench
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an outer arch frame of an open cut tunnel, which is arranged on a tunnel outer template provided with a construction window. A supporting rod is vertically arranged in the construction window. The outer arch frame comprises a plurality of arch frame units which are sequentially connected end to end, wherein mounting holes bringing convenience to the fixation of the supporting rod are formed on the arch frame unit. The outer arch frame has the advantages that: the outer template is reinforced and is not easy to deform; the outer belly face of the tunnel is ensured to meet a designed size; the outline of an arch body is smooth; and the bearing capacity and the impact resistance of the arch body are effectively improved.
Description
Technical field
The utility model belongs to the constructing tunnel apparatus technology, particularly a kind of outer bow member of open cut tunnel construction.
Background technology
The bow member building is widely used in construction, when carrying out open trench tunnel, bow member is installed on the inwall of internal mold as support unit usually, the interior outside of belly that guarantees the tunnel satisfies design size, but the external mold of donor also can be subjected to bigger external force, thereby the situation that distortion occurs causes the outer outside of belly of donor to be discontented with the full size cun shape that designs, and has influence on the load-bearing and the impact resistance of donor.
The utility model content
The technical problems to be solved in the utility model provides a kind of outer bow member of open trench tunnel of reinforcing external mold.
In order to solve the problems of the technologies described above, the utility model provides following technical scheme: the outer bow member of a kind of open trench tunnel, it is installed on the tunnel exterior sheathing that is provided with the construction window, vertically be provided with support bar in the described construction window, comprise the bow member unit that several head and the tail link to each other in turn, described bow member unit is provided with the installing hole of being convenient to the fixed support bar.
Further, for the ease of processing, the cross section of described bow member unit is I-shaped, and arc length is 4～5m, and thickness is 10mm, highly is 150mm.
Further, in order to be complementary with support bar, installing hole is equidistant installation, spacing 1.2m between two installing holes.
Further, described support bar connects with bolt by installing hole.
Further, bow member unit head and the tail connect in turn for convenience, and described bow member unit one end is a plush copper, and the other end is a shrinkage pool.
Compared with prior art, advantage of the present utility model is: reinforced external mold, made external mold not yielding, guaranteed that the outer outside of belly in tunnel satisfies design size, made the donor profile along sliding, improved the load-bearing and the impact resistance of donor effectively.
Description of drawings
Below in conjunction with drawings and Examples technical solutions of the utility model are further specified:
Fig. 1 is the structural representation of the outer a kind of embodiment of bow member of a kind of open trench tunnel of the utility model;
Fig. 2 is the structural representation of the utility model bow member a kind of embodiment in unit.
The specific embodiment
As shown in Figure 1 and Figure 2, the utility model is installed on the tunnel exterior sheathing that is provided with the construction window, vertically be provided with support bar in the described construction window, comprise the bow member unit 1 that several head and the tail link to each other in turn, described bow member unit 1 is provided with the installing hole 2 of being convenient to the fixed support bar.
In the present embodiment, for the ease of processing, the cross section of described bow member unit 1 is I-shaped, and arc length is 4～5m, and thickness is 10mm, highly is 150mm.In order to be complementary with support bar, installing hole 2 is equidistant installation, spacing 1.2m between two installing holes 2.Described support bar connects by installing hole 2 usefulness bolts.Bow member unit 1 head and the tail connect in turn for convenience, and described bow member unit 1 one ends are plush copper, and the other end is a shrinkage pool.
When the utility model is installed, support bar is penetrated in the installing hole 2, connect with bolt; Bow member unit 1 head and the tail connect in turn, and the junction cooperates for the plush copper shrinkage pool, adopt lateral pin to fix.
For a person skilled in the art; under the prerequisite that does not break away from the utility model structure; can also make some distortion and improvement, these also should be considered as protection domain of the present utility model, and these can not influence effect and practical applicability that the utility model is implemented.
Claims (5)
1. the outer bow member of an open trench tunnel, it is installed on the tunnel exterior sheathing that is provided with the construction window, vertically be provided with support bar in the described construction window, it is characterized in that: comprise the bow member unit (1) that several head and the tail link to each other in turn, described bow member unit (1) is provided with the installing hole (2) of being convenient to the fixed support bar.
2. the outer bow member of open trench tunnel as claimed in claim 1, it is characterized in that: the cross section of described bow member unit (1) is I-shaped, and arc length is 4～5m, and thickness is 10mm, highly is 150mm.
3. the outer bow member of open trench tunnel as claimed in claim 1 is characterized in that: installing hole (2) is installed spacing 1.2m between two installing holes (2) for equidistant.
4. the outer bow member of open trench tunnel as claimed in claim 1, it is characterized in that: described support bar connects with bolt by installing hole (2).
5. the outer bow member of open trench tunnel as claimed in claim 1, it is characterized in that: described bow member unit (1) one end is a plush copper, and the other end is a shrinkage pool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200708869U CN202001020U (en) | 2011-03-17 | 2011-03-17 | Outer arch frame of open cut tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200708869U CN202001020U (en) | 2011-03-17 | 2011-03-17 | Outer arch frame of open cut tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202001020U true CN202001020U (en) | 2011-10-05 |
Family
ID=44703765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200708869U Expired - Fee Related CN202001020U (en) | 2011-03-17 | 2011-03-17 | Outer arch frame of open cut tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202001020U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102505708A (en) * | 2011-10-21 | 2012-06-20 | 中冶建工集团有限公司 | Construction method of tunnel at oversized cross section open cut area in track traffic |
| CN104481558A (en) * | 2014-11-15 | 2015-04-01 | 中铁三局集团有限公司 | Feet-arch-free principle based reinforcing type lining construction method for steel frame in tunnel transition section |
-
2011
- 2011-03-17 CN CN2011200708869U patent/CN202001020U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102505708A (en) * | 2011-10-21 | 2012-06-20 | 中冶建工集团有限公司 | Construction method of tunnel at oversized cross section open cut area in track traffic |
| CN102505708B (en) * | 2011-10-21 | 2014-05-07 | 中冶建工集团有限公司 | Construction method of tunnel at oversized cross section open cut area in track traffic |
| CN104481558A (en) * | 2014-11-15 | 2015-04-01 | 中铁三局集团有限公司 | Feet-arch-free principle based reinforcing type lining construction method for steel frame in tunnel transition section |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20180317 |