CN204783045U - Big section tunnel support device - Google Patents
Big section tunnel support device Download PDFInfo
- Publication number
- CN204783045U CN204783045U CN201520120631.7U CN201520120631U CN204783045U CN 204783045 U CN204783045 U CN 204783045U CN 201520120631 U CN201520120631 U CN 201520120631U CN 204783045 U CN204783045 U CN 204783045U
- Authority
- CN
- China
- Prior art keywords
- section tunnel
- strutting arrangement
- large cross
- bracing
- bar
- 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
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 71
- 239000010959 steel Substances 0.000 claims abstract description 71
- 239000000463 material Substances 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000003908 quality control method Methods 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 230000002787 reinforcement Effects 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000009415 formwork Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Abstract
The utility model relates to a big section tunnel support device, include: the tunnel inner wall is located through pre -buried reinforcement to frame set spare, pour in on the bottom of frame set spare no. 2 lining inverted arch, the support frame, through the full hall of mounting support in in the frame set spare, and gate -type passageway frame, locate the bottom of support frame is formed with the gate -type passageway. The utility model discloses big section tunnel support device solved the large cross -section tunnel peripheral narrow, the environment is complicated, the unable problem that adopts the quick construction of formworking jumbo reduces relying on formworking jumbo support system, practices thrift the cost. The material and the method of setting up that the support frame adopted are all the same with the scaffold, need not additionally to purchase the material and increase work post. The rigidity of steel form improves, dimensional deviation, perpendicularity, and concrete shaping quality control obtains guaranteeing. The material is the material commonly used in the construction, and is simple, but reuse, but can preset also field fabrication of finished product.
Description
Technical field
The utility model relates to constructing tunnel field, espespecially a kind of large cross-section tunnel bracing or strutting arrangement.
Background technology
Along with the expansion of China's expanding economy and infrastructure construction scale, construction of tunnel has become the important engineering in the mega projects such as highway, railway, municipal administration; And due to surrounding enviroment, geological conditions restriction, or in order to better meet the growing magnitude of traffic flow, transportation condition, or for pursuing the spacious effect of large space, the tunnel of shallow buried covered excavation big cross section form is increasing, these tunnels are when constructing, sometimes because periphery field environmental condition limits or length of tunnel is shorter, when causing employing conventional mould chassis support system to apply two linings, cost is too high, assembled, dismounting difficulty larger, the problems such as construction period is long, or formwork jumbo support system cannot be adopted to carry out operation at all.
Utility model content
The purpose of this utility model is the defect overcoming prior art, provides a kind of large cross-section tunnel bracing or strutting arrangement, and the periphery because of large cross-section tunnel in solution prior art is narrow, the restriction of circumstance complication, and cannot adopt the problem of formwork jumbo rapid construction.
The technical scheme realizing above-mentioned purpose is: provide large cross-section tunnel bracing or strutting arrangement, comprising:
Frame assembly, is located at tunnel inner wall by pre-buried girth member;
Build two lining inverted arch on the bottom of described frame assembly;
Bracing frame, is supported in described frame assembly by the full hall of fixture; And
Door type passage framework, is located at the bottom of support frame as described above and is formed with door type passage.
The beneficial effect of the utility model large cross-section tunnel bracing or strutting arrangement:
One, the utility model large cross-section tunnel bracing or strutting arrangement not only solves that the periphery of large cross-section tunnel is narrow, the restriction of circumstance complication, and the problem of formwork jumbo rapid construction cannot be adopted, and reduce the dependence of conventional mould chassis support system, cost-saving to greatest extent.
Two, material and the erection method of bracing frame employing are all identical with scaffold, without the need to additionally buying material and increasing work post.
Three, the integral rigidity of steel form improves a lot, dimensional errors, verticality, and concrete formation quality control is more easily guaranteed.
Four, making material therefor is the common used material in building operations, and technique is simple, can reuse, and structure is simple, and easy to process, install beforehand finished product also can field fabrication.
The further improvement of the utility model large cross-section tunnel bracing or strutting arrangement is, described frame assembly comprises:
Be attached at the steel form of described tunnel Nell wall;
The shaped steel arch of described steel form inwall is located at interval, has spaced shaped steel.
The further improvement of the utility model large cross-section tunnel bracing or strutting arrangement is, described shaped steel is i shaped steel.
The further improvement of the utility model large cross-section tunnel bracing or strutting arrangement is, described pre-buried girth member is T-shaped rinforcement bar, and described T-shaped rinforcement bar has the pre-buried end being embedded in tunnel inner wall and the folded end supplying shaped steel described in support.
The further improvement of the utility model large cross-section tunnel bracing or strutting arrangement is, support frame as described above comprises:
Vertical spaced vertical bar;
Be fixed on the stake body of described vertical bar, described stake body comprises the multiple transverse bar and multiple longitudinal rod that transverse and longitudinal is cross-linked; And the baffle plate be located on described stake body.
The further improvement of the utility model large cross-section tunnel bracing or strutting arrangement is, described fixture comprises:
Be connected to the jacking structure between described shaped steel arch and described vertical bar;
Be located in the Two bors d's oeuveres steel pipe between described shaped steel arch and described jacking structure.
The further improvement of the utility model large cross-section tunnel bracing or strutting arrangement is, described door type passage framework comprises:
Along the gate-type shelf structure that tunnel axially spaced-apart is arranged, described gate-type shelf structure comprises two montants and is connected to the cross bar of end of described montant, is connected to brace between described cross bar and two described montants;
Be connected across the Crossing brace of multiple described gate-type shelf structure side.
The further improvement of the utility model large cross-section tunnel bracing or strutting arrangement is, described gate-type shelf structure is also provided with horizontal support, and described horizontal support is middle with support frame as described above is that vertical bar is connected.
The further improvement of the utility model large cross-section tunnel bracing or strutting arrangement is, described two lining inverted arch are provided with limit steel bar, and described limit steel bar is inserted in the described vertical bar of part.
The further improvement of the utility model large cross-section tunnel bracing or strutting arrangement is, also comprises the temporary support being located at described tunnel inner wall surrounding.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model large cross-section tunnel bracing or strutting arrangement;
Fig. 2 is the use structural representation of the pre-buried girth member of the utility model large cross-section tunnel bracing or strutting arrangement;
Fig. 3 is the use structural representation of the fixture of the utility model large cross-section tunnel bracing or strutting arrangement;
Fig. 4 is the use structural representation of the limit steel bar of the utility model large cross-section tunnel bracing or strutting arrangement;
Fig. 5 is the front view of the gate-type shelf structure in Fig. 1; And
Fig. 6 is the lateral view of the gate-type shelf structure in Fig. 1.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The utility model provides large cross-section tunnel bracing or strutting arrangement, is described the utility model large cross-section tunnel bracing or strutting arrangement below in conjunction with accompanying drawing.
Consult Fig. 1, show the utility model large cross-section tunnel bracing or strutting arrangement front view.Shown in composition graphs 1, the utility model large cross-section tunnel bracing or strutting arrangement, comprising: frame assembly 1, bracing frame 2, door type passage framework 3, temporary support 6 and two lining inverted arch 9.
Consult Fig. 2, show the use structural representation of the pre-buried girth member of the utility model large cross-section tunnel bracing or strutting arrangement.Frame assembly 1 is located at tunnel inner wall 7 by pre-buried girth member 4, and frame assembly 1 comprises steel form 10 and shaped steel arch 11, and wherein, steel form 10 is attached at tunnel inner wall 7.In the utility model, steel form 10 is the steel form that 3mm is thick, and steel form is by monolithic size 400mm*1200mm, and the punching block of the wide 50mm of the wing is assembled.The inwall of steel form 10 is located at shaped steel arch 11 interval.For reaching fixed steel arch-shelf, prevent the object of landing, pre-buried girth member 4 is set at spacing intervals at tunnel inner wall 7 place.In the utility model, pre-buried girth member 4 is T-shaped rinforcement bar, T-shaped rinforcement bar has pre-buried end 40 and bending end 41, wherein, pre-buried end 40 pre-plugged is in two lining concrete of tunnel inner wall 7, bending end 41 support in the bottom of shaped steel arch 11, and then prevents steel form 10 and shaped steel arch 11 from tunnel inner wall 7 landing, plays and steel form 10 and shaped steel arch 11 hook are established the effect of being fixed on tunnel inner wall 7.
Consult Fig. 3, show the use structural representation of the fixture of the utility model large cross-section tunnel bracing or strutting arrangement; Shown in composition graphs 1 and Fig. 3, bracing frame 2 comprises: vertical bar 20, the stake body being vertically fixed on vertical bar 20 and the baffle plate be located on stake body, and stake body comprises the multiple transverse bar and multiple longitudinal rod that transverse and longitudinal is cross-linked.In the present embodiment, adopt ordinary steel pipe support to set up bracing frame 2, the spacing of vertical bar 20 is generally 80-100cm, and the spacing between transverse bar is generally 120cm-150cm, and the spacing between longitudinal rod is generally 120cm-150cm.
Vertical bar 20 is vertically arranged at intervals in tunnel, and as shown in Figure 3, the top of vertical bar 20 is connected with shaped steel arch 11 correspondence position of frame assembly 1 by fixture 5.Fixture 5 comprises jacking structure 50 and Two bors d's oeuveres steel pipe 51, wherein, jacking structure 50 is connected between shaped steel arch 11 and vertical bar 20, Two bors d's oeuveres steel pipe 51 is put into the jacking of jacking structure 50 and is located between shaped steel arch 11 and jacking structure 50, regulate jacking structure 50 to make shaped steel arch 11 and steel form 10 tightly be attached at tunnel inner wall 7, thus the vertical top of bar 20 is connected fastening with the shaped steel arch 11 of tunnel inner wall 7.
Consult Fig. 4, show the use structural representation of the limit steel bar of the utility model large cross-section tunnel bracing or strutting arrangement; Shown in composition graphs 1 and Fig. 4, two lining inverted arch 9 have been built in the bottom of tunnel inner wall 7 frame assembly 1, and the shaped steel arch 11 of frame assembly 1 is the skeleton of two lining inverted arch 9, is equivalent to the reinforcing bar in steel concrete, can play the effect be connected and fixed.Two lining inverted arch 9 are embedded with limit steel bar 8, and limit steel bar 8 is inserted in the vertical bar 20 of bracing frame 2 mid portion.In the present embodiment, limit steel bar 8 is HRB400 reinforcing bar, and the length anchored in the concrete of two lining inverted arch 9 is 30cm, expose for 20cm, the bottom of vertical bar 20 is sheathed on the exposed parts of limit steel bar 8, limits the position of vertical bar 20, thus prevent vertical bar 20 from sliding.
The bottom of tunnel inner support frame is provided with door type passage framework 3, and is formed with door type passage, travels for discrepancy vehicle.Consult Fig. 5, show the front view of the gate-type shelf structure in Fig. 1; Consult Fig. 6, show the lateral view of the gate-type shelf structure in Fig. 1.Shown in composition graphs 1, Fig. 5 and Fig. 6, door type passage framework 3 comprises the Crossing brace 303 of the gate-type shelf structure 30 connected along tunnel axially spaced-apart and the side being located at gate-type shelf structure 30, wherein, gate-type shelf structure 30 is made up of the cross bar 301 of two montants 300 with the end being connected to montant 300, brace 302 is connected between cross bar 301 and two montants 300, make cross bar 301, montant 300 and brace 302 form triangle, thus the structure of gate-type frame is more stable.The side of spaced gate-type shelf structure 30 has Crossing brace 303, for shearing resistance, prevents displacement and topples over, and keeps the stability of door type passage framework 3 entirety.Further, gate-type shelf structure 30 is also provided with horizontal support 304, horizontal support 304 is connected with the bottom of the vertical bar 20 in the middle of bracing frame 2, and the montant 300 of gate-type shelf structure 30 is connected and fixed with the portion support body of bracing frame 2 bottom.In the present embodiment, the spacing of several gate-type shelf structures 30 be longitudinally connected is 1200mm, and the wide of gate-type shelf structure 30 is 4.5m, and height is 5m, and the montant 300 of gate-type shelf structure 30, cross bar 301, brace 302 and horizontal support 304 all adopt the i iron of 20b to make.Bridging adopts HRB400 to make.Horizontal support 304 is 20b i iron, width 4.5m, spacing 1200mm, and horizontal support 304 and gate-type shelf structure 30 are welded to connect, and the vertical bar 20 of bracing frame 2 middle part falls within horizontal support 304, is fixedly connected with.
Below the use step of the utility model large cross-section tunnel bracing or strutting arrangement is illustrated:
First at the bottom-mounted steel arch-shelf 11 of tunnel inner wall 7, steel form 10 is installed between tunnel inner wall 7 and shaped steel arch 11, concreting again, form two lining inverted arch 9, and limit steel bar 8 is inserted two lining inverted arch 9 of the bottom of tunnel inner wall 7, then door type passage framework 3 is installed, sets up bracing frame 2; Set up in process, vertical for the part of bracing frame 2 bar 20 is sheathed on limit steel bar 8, thus limit steel bar 8 limits the position of vertical bar 20, prevent vertical bar 20 from sliding; The vertical bar of mid portion 20 of bracing frame 2 falls within the upper shaped steel of door type passage framework 3; Then, the top of pre-buried tunnel inner wall 7 and the pre-buried girth member 4 of abutment wall, lay the top of tunnel inner wall 7 and the two lined steel templates 10 at abutment wall place, after laying completes, mount type steel arch-shelf 11, and with pre-buried girth member 4 fixed steel arch-shelf 11 in tunnel inner wall, anti-sliding stop; After installation, Two bors d's oeuveres steel pipe 51 is put into jacking structure 50, regulate jacking structure 50, make shaped steel arch 11 and steel form 10 tightly be attached at tunnel inner wall; Complete after installing and reinforcing, build two lining concrete of tunnel top or abutment wall.
The beneficial effect of the utility model large cross-section tunnel bracing or strutting arrangement is:
One, the utility model large cross-section tunnel bracing or strutting arrangement not only solves that the periphery of large cross-section tunnel is narrow, the restriction of circumstance complication, and the problem of formwork jumbo rapid construction cannot be adopted, and reduce the dependence of conventional mould chassis support system, cost-saving to greatest extent.
Two, material and the erection method of bracing frame employing are all identical with scaffold, without the need to additionally buying material and increasing work post.
Three, the integral rigidity of steel form improves a lot, dimensional errors, verticality, and concrete formation quality control is more easily guaranteed.
Four, making material therefor is the common used material in building operations, and technique is simple, can reuse, and structure is simple, and easy to process, install beforehand finished product also can field fabrication.
Below embodiment has been described in detail the utility model by reference to the accompanying drawings, and those skilled in the art can make many variations example to the utility model according to the above description.Thus, some details in embodiment should not formed restriction of the present utility model, the utility model by the scope that defines using appended claims as protection domain of the present utility model.
Claims (10)
1. a large cross-section tunnel bracing or strutting arrangement, is characterized in that, comprising:
Frame assembly, is located at tunnel inner wall by pre-buried girth member;
Build two lining inverted arch on the bottom of described frame assembly;
Bracing frame, is supported in described frame assembly by the full hall of fixture; And
Door type passage framework, is located at the bottom of support frame as described above and is formed with door type passage.
2. large cross-section tunnel bracing or strutting arrangement as claimed in claim 1, it is characterized in that, described frame assembly comprises:
Be attached at the steel form of described tunnel inner wall;
Be located at the shaped steel arch of described steel form inwall, there is spaced shaped steel.
3. large cross-section tunnel bracing or strutting arrangement as claimed in claim 2, it is characterized in that, described shaped steel is i shaped steel.
4. large cross-section tunnel bracing or strutting arrangement as claimed in claim 2, it is characterized in that, described pre-buried girth member is T-shaped rinforcement bar, and described T-shaped rinforcement bar has the pre-buried end being embedded in tunnel inner wall and the folded end supplying shaped steel described in support.
5. large cross-section tunnel bracing or strutting arrangement as claimed in claim 2, it is characterized in that, support frame as described above comprises:
Vertical spaced vertical bar;
Be fixed on the stake body of described vertical bar, described stake body comprises the multiple transverse bar and multiple longitudinal rod that transverse and longitudinal is cross-linked; And
Be located at the baffle plate on described stake body.
6. large cross-section tunnel bracing or strutting arrangement as claimed in claim 5, it is characterized in that, described fixture comprises:
Be connected to the jacking structure between described shaped steel and described vertical bar;
Be located in the Two bors d's oeuveres steel pipe between described shaped steel and described jacking structure.
7. large cross-section tunnel bracing or strutting arrangement as claimed in claim 6, it is characterized in that, described door type passage framework comprises:
Along the gate-type shelf structure that tunnel axially spaced-apart is arranged, described gate-type shelf structure comprises two montants and is connected to the cross bar of end of described montant, is connected to brace between described cross bar and two described montants;
Be connected across the Crossing brace of multiple described gate-type shelf structure side.
8. large cross-section tunnel bracing or strutting arrangement as claimed in claim 7, is characterized in that, described gate-type shelf structure is also provided with horizontal support, and described horizontal support is connected with the vertical bar in the middle of support frame as described above.
9. large cross-section tunnel bracing or strutting arrangement as claimed in claim 8, is characterized in that, described two lining inverted arch are provided with limit steel bar, and described limit steel bar is inserted in the described vertical bar of part.
10. large cross-section tunnel bracing or strutting arrangement as claimed in claim 1, is characterized in that, also comprise the temporary support being located at described tunnel inner wall surrounding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520120631.7U CN204783045U (en) | 2015-03-02 | 2015-03-02 | Big section tunnel support device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520120631.7U CN204783045U (en) | 2015-03-02 | 2015-03-02 | Big section tunnel support device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204783045U true CN204783045U (en) | 2015-11-18 |
Family
ID=54523113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520120631.7U Expired - Fee Related CN204783045U (en) | 2015-03-02 | 2015-03-02 | Big section tunnel support device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204783045U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649651A (en) * | 2015-12-31 | 2016-06-08 | 中铁二十五局集团第五工程有限公司 | Construction method of secondary tunnel lining |
| CN106930767A (en) * | 2017-03-28 | 2017-07-07 | 中国五冶集团有限公司 | Big cross section arcading tunnel construction method |
| CN111852498A (en) * | 2020-08-03 | 2020-10-30 | 中建八局第二建设有限公司 | Combined support applied to tunnel construction and construction method based on combined support |
-
2015
- 2015-03-02 CN CN201520120631.7U patent/CN204783045U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649651A (en) * | 2015-12-31 | 2016-06-08 | 中铁二十五局集团第五工程有限公司 | Construction method of secondary tunnel lining |
| CN106930767A (en) * | 2017-03-28 | 2017-07-07 | 中国五冶集团有限公司 | Big cross section arcading tunnel construction method |
| CN106930767B (en) * | 2017-03-28 | 2019-01-08 | 中国五冶集团有限公司 | Big cross section arcading tunnel construction method |
| CN111852498A (en) * | 2020-08-03 | 2020-10-30 | 中建八局第二建设有限公司 | Combined support applied to tunnel construction and construction method based on combined support |
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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: 20151118 |