CN204312087U - A kind of tunnel transverse passage-way and intersection, main hole reinforce bracing frame - Google Patents
A kind of tunnel transverse passage-way and intersection, main hole reinforce bracing frame Download PDFInfo
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- CN204312087U CN204312087U CN201420792094.6U CN201420792094U CN204312087U CN 204312087 U CN204312087 U CN 204312087U CN 201420792094 U CN201420792094 U CN 201420792094U CN 204312087 U CN204312087 U CN 204312087U
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- arch
- intersection
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Abstract
The utility model discloses a kind of tunnel transverse passage-way and intersection, main hole reinforces bracing frame, the shaped steel arch comprising crossing between the main hole of constructed transverse passage-way and tunnel and the shaped steel door frame be supported in outside shaped steel arch, shaped steel arch and shaped steel door frame are laid on same vertical plane; Shaped steel arch is supported in transverse passage-way and it is positioned at the hole place of transverse passage-way; Shaped steel arch comprises arch support and two the first columns be supported in respectively below the arch support left and right sides; Shaped steel door frame comprises two and lays respectively at the second column outside two the first columns, is supported in top rail between two described second column top and multiple vertical supporting post be connected between top rail and arch support together, and top rail is positioned at directly over arch support.The utility model structure is simple, reasonable in design and support is convenient, result of use is good, can carry out firm support to the hole of constructed transverse passage-way, and easy accessibility, can not affect greatly the constructing tunnel duration.
Description
Technical field
The utility model belongs to technical field of tunnel construction, especially relates to a kind of tunnel transverse passage-way and intersection, main hole reinforces bracing frame.
Background technology
Current, along with the domestic and international high ferro visitor specially development of technology and the needs of social development, major long tunnel construction quantity increases gradually, also more and more higher to the requirement of tunnel construction technology and duration.Transverse passage-way refers to the lateral connection passage between two independent parallel main holes, tunnel, and for the major long tunnel of one-tunnel two-tracks, the quantity of transverse passage-way is more.Carry out in work progress to the one-tunnel two-tracks tunnel that there is transverse passage-way, between transverse passage-way and main hole, the difficulty of construction of crossing is larger, for guaranteeing construction safety, in tunnel excavation process, the braced structures that intersection between transverse passage-way and main hole adopts is most important, and it directly determines the Tunnel stability of crossing.But nowadays, the braced structures neither one that intersection place between transverse passage-way and main hole adopts is unified and the support scheme of standard, and can be less for the construction information used for reference, especially when adit construction completes, and when turning the construction of main hole from transverse passage-way, effectively need reinforce transverse passage-way hole, to guarantee subsequent construction safety.Thus, a kind of structure need be designed simple, reasonable in design and support convenient, that result of use is good tunnel transverse passage-way and intersection, main hole reinforces bracing frame, firm support can be carried out to the hole of constructed transverse passage-way, and easy accessibility, can not affect greatly the constructing tunnel duration.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of tunnel transverse passage-way and intersection, main hole is provided to reinforce bracing frame, its structure is simple, reasonable in design and support is convenient, result of use is good, can carry out firm support to the hole of constructed transverse passage-way.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of tunnel transverse passage-way and intersection, main hole reinforce bracing frame, it is characterized in that: the shaped steel arch comprising crossing between the main hole of constructed transverse passage-way and tunnel and the shaped steel door frame be supported in outside shaped steel arch, described shaped steel arch and shaped steel door frame are laid on same vertical plane; Described shaped steel arch is supported in transverse passage-way and it is positioned at the hole place of transverse passage-way, the structure of described shaped steel arch and size all with the cross-sectional configuration of transverse passage-way and measure-alike; Described shaped steel arch comprises the arch support and two the first columns be supported in respectively below the described arch support left and right sides that are supported in transverse passage-way arch, and described arch support is shape steel bracket, and described first column is shaped steel; Described shaped steel door frame comprises two and lays respectively at the second column outside two described first columns, is supported in top rail between two described second column top and multiple vertical supporting post be connected between top rail and described arch support together, described top rail is positioned at directly over described arch support, and described second column, top rail and vertical supporting post are shaped steel.
Above-mentioned a kind of tunnel transverse passage-way and intersection, main hole reinforce bracing frame, it is characterized in that: described arch support is assembled by many i iron, and described first column is i iron.
Above-mentioned a kind of tunnel transverse passage-way and intersection, main hole reinforce bracing frame, it is characterized in that: described second column, top rail and vertical supporting post are i iron.
Above-mentioned a kind of tunnel transverse passage-way and intersection, main hole reinforce bracing frame, it is characterized in that: the quantity of described shaped steel door frame is two, and the structure of two described shaped steel door frames is all identical with size and the two is in laying side by side.
Above-mentioned a kind of tunnel transverse passage-way and intersection, main hole reinforce bracing frame, it is characterized in that: two described shaped steel door frames are fastenedly connected and are integrated.
Above-mentioned a kind of tunnel transverse passage-way and intersection, main hole reinforce bracing frame, it is characterized in that: the vertical supporting post being positioned at top on the left of described arch support in multiple described vertical supporting post is Left-side support post, and the vertical supporting post being positioned at top on the right side of described arch support in multiple described vertical supporting post is Right side support post, the quantity of described Left-side support post and described Right side support post is multiple, and multiple described Left-side support post and multiple described Right side support post are symmetrically laid.
Above-mentioned a kind of tunnel transverse passage-way and intersection, main hole reinforce bracing frame, it is characterized in that: described in described shaped steel door frame, the quantity of Left-side support post and described Right side support post is three.
Above-mentioned a kind of tunnel transverse passage-way and intersection, main hole reinforce bracing frame, it is characterized in that: the overhead height of described arch support and its top identical with the floor height of top rail is propped up and withstood on top rail.
Above-mentioned a kind of tunnel transverse passage-way and intersection, main hole reinforce bracing frame, it is characterized in that: described arch support is assembled by multiple arc segment.
The utility model compared with prior art has the following advantages:
1, structure simple, reasonable in design and drop into construction cost lower.
2, support convenient and dismounting is easy, can easy, complete dismounting fast, can not affect greatly the constructing tunnel duration.
3, result of use is good, firm support can be carried out to the hole of constructed transverse passage-way, and the shaped steel arch supported in main hole, tunnel can easyly be fixed on this reinforcing bracing frame, be integrated the braced structures in the main hole of transverse passage-way and tunnel is fastenedly connected, effectively can guarantee the construction safety of transverse passage-way and tunnel Zhu Dong crossing.
In sum, the utility model structure is simple, reasonable in design and support is convenient, result of use is good, can carry out firm support to the hole of constructed transverse passage-way, and easy accessibility, can not affect greatly the constructing tunnel duration.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Description of reference numerals:
1-transverse passage-way; 2-the first shaped steel arch; 3-shaped steel door frame;
3-1-the second column; 3-2-top rail; 3-3-vertical supporting post;
3-4-lower transverse beam.
Detailed description of the invention
As shown in Figure 1, the shaped steel arch 2 that the utility model comprises crossing between the main hole of constructed transverse passage-way 1 and tunnel and the shaped steel door frame 3 be supported in outside shaped steel arch 2, described shaped steel arch 2 is laid on same vertical plane with shaped steel door frame 3.Described shaped steel arch 2 is supported in transverse passage-way 1 and it is positioned at the hole place of transverse passage-way 1, the structure of described shaped steel arch 2 and size all with the cross-sectional configuration of transverse passage-way 1 and measure-alike.Described shaped steel arch 2 comprises the arch support and two the first columns be supported in respectively below the described arch support left and right sides that are supported in transverse passage-way 1 arch, and described arch support is shape steel bracket, and described first column is shaped steel.Described shaped steel door frame 3 comprises two and lays respectively at the second column 3-1 outside two described first columns, is supported in top rail 3-2 between two described second column 3-1 top and multiple vertical supporting post 3-3 be connected between top rail 3-2 and described arch support together, described top rail 3-2 is positioned at directly over described arch support, and described second column 3-1, top rail 3-2 and vertical supporting post 3-3 are shaped steel.
In the present embodiment, described arch support is assembled by many i iron, and described first column is i iron.
Further, described second column 3-1, top rail 3-2 and vertical supporting post 3-3 are i iron.
In the present embodiment, the quantity of described shaped steel door frame 3 is two, and the structure of two described shaped steel door frames 3 is all identical with size and the two is in laying side by side.Two described shaped steel door frames 3 are fastenedly connected and are integrated.
Reality carries out propping up immediately to shaped steel door frame 3, needs first dig the hole place of transverse passage-way 1.
Actually add man-hour, the vertical supporting post 3-3 being positioned at top on the left of described arch support in multiple described vertical supporting post 3-3 is Left-side support post, and the vertical supporting post 3-3 being positioned at top on the right side of described arch support in multiple described vertical supporting post 3-3 is Right side support post, the quantity of described Left-side support post and described Right side support post is multiple, and multiple described Left-side support post and multiple described Right side support post are symmetrically laid.
In the present embodiment, described in described shaped steel door frame 3, the quantity of Left-side support post and described Right side support post is three.
During practice of construction, can according to specific needs, the quantity of Left-side support post described in described shaped steel door frame 3 and described Right side support post be adjusted accordingly.
In the present embodiment, the overhead height of described arch support and its top identical with the floor height of top rail 3-2 is propped up and is withstood on top rail 3-2.
In the present embodiment, described arch support is assembled by multiple arc segment.
In the present embodiment, described shaped steel door frame 3 also comprises the lower transverse beam 3-4 between being connected to together bottom two described second column 3-1, and described lower transverse beam 3-4 is that level is laid.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solutions of the utility model.
Claims (9)
1. a tunnel transverse passage-way and intersection, main hole reinforce bracing frame, it is characterized in that: comprise the shaped steel arch (2) being positioned at crossing between the main hole of constructed transverse passage-way (1) and tunnel and the shaped steel door frame (3) being supported in shaped steel arch (2) outside, described shaped steel arch (2) is laid on same vertical plane with shaped steel door frame (3); Described shaped steel arch (2) is supported in transverse passage-way (1) and it is positioned at the hole place of transverse passage-way (1), the structure of described shaped steel arch (2) and size all with the cross-sectional configuration of transverse passage-way (1) and measure-alike; Described shaped steel arch (2) comprises the arch support and two the first columns be supported in respectively below the described arch support left and right sides that are supported in transverse passage-way (1) arch, described arch support is shape steel bracket, and described first column is shaped steel; Described shaped steel door frame (3) comprises two and lays respectively at the second column (3-1) outside two described first columns, is supported in top rail (3-2) between two described second column (3-1) top and multiple vertical supporting post (3-3) be connected between top rail (3-2) and described arch support together, described top rail (3-2) is positioned at directly over described arch support, and described second column (3-1), top rail (3-2) and vertical supporting post (3-3) are shaped steel.
2. reinforce bracing frame according to a kind of tunnel transverse passage-way according to claim 1 and intersection, main hole, it is characterized in that: described arch support is assembled by many i iron, described first column is i iron.
3. reinforce bracing frame according to a kind of tunnel transverse passage-way described in claim 1 or 2 and intersection, main hole, it is characterized in that: described second column (3-1), top rail (3-2) and vertical supporting post (3-3) are i iron.
4. reinforce bracing frame according to a kind of tunnel transverse passage-way described in claim 1 or 2 and intersection, main hole, it is characterized in that: the quantity of described shaped steel door frame (3) is two, the structure of two described shaped steel door frames (3) is all identical with size and the two is in laying side by side.
5. reinforce bracing frame according to a kind of tunnel transverse passage-way according to claim 4 and intersection, main hole, it is characterized in that: two described shaped steel door frames (3) are fastenedly connected and are integrated.
6. reinforce bracing frame according to a kind of tunnel transverse passage-way described in claim 1 or 2 and intersection, main hole, it is characterized in that: the vertical supporting post (3-3) being positioned at top on the left of described arch support in multiple described vertical supporting post (3-3) is Left-side support post, and the vertical supporting post (3-3) being positioned at top on the right side of described arch support in multiple described vertical supporting post (3-3) is Right side support post, the quantity of described Left-side support post and described Right side support post is multiple, multiple described Left-side support post and multiple described Right side support post are symmetrically laid.
7. reinforce bracing frame according to a kind of tunnel transverse passage-way according to claim 6 and intersection, main hole, it is characterized in that: described in described shaped steel door frame (3), the quantity of Left-side support post and described Right side support post is three.
8. reinforce bracing frame according to a kind of tunnel transverse passage-way described in claim 1 or 2 and intersection, main hole, it is characterized in that: the overhead height of described arch support and its top identical with the floor height of top rail (3-2) is propped up and withstood on top rail (3-2).
9. reinforce bracing frame according to a kind of tunnel transverse passage-way described in claim 1 or 2 and intersection, main hole, it is characterized in that: described arch support is assembled by multiple arc segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420792094.6U CN204312087U (en) | 2014-12-13 | 2014-12-13 | A kind of tunnel transverse passage-way and intersection, main hole reinforce bracing frame |
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| CN201420792094.6U CN204312087U (en) | 2014-12-13 | 2014-12-13 | A kind of tunnel transverse passage-way and intersection, main hole reinforce bracing frame |
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| CN204312087U true CN204312087U (en) | 2015-05-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105350545A (en) * | 2015-11-24 | 2016-02-24 | 郑州大学 | Self-balancing supporting structure of tool type arch support of subway foundation pit end well |
| CN107035382A (en) * | 2017-06-22 | 2017-08-11 | 中铁十局集团第五工程有限公司 | Tunnel portal support system under weak surrounding rock |
| CN108442950A (en) * | 2018-03-09 | 2018-08-24 | 中国矿业大学(北京) | A kind of " U-shaped steel holder " Dam Foundation Strengthened in Situ method |
-
2014
- 2014-12-13 CN CN201420792094.6U patent/CN204312087U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105350545A (en) * | 2015-11-24 | 2016-02-24 | 郑州大学 | Self-balancing supporting structure of tool type arch support of subway foundation pit end well |
| CN105350545B (en) * | 2015-11-24 | 2017-08-04 | 郑州大学 | A kind of subway foundation pit end well tool-type arch support self-balancing supporting construction |
| CN107035382A (en) * | 2017-06-22 | 2017-08-11 | 中铁十局集团第五工程有限公司 | Tunnel portal support system under weak surrounding rock |
| CN108442950A (en) * | 2018-03-09 | 2018-08-24 | 中国矿业大学(北京) | A kind of " U-shaped steel holder " Dam Foundation Strengthened in Situ method |
| CN108442950B (en) * | 2018-03-09 | 2020-01-07 | 中国矿业大学(北京) | In-situ reinforcement method for U-shaped steel bracket |
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