CN109268040A - A kind of vcehicular tunnel abnormal shape arch and supporting construction - Google Patents
A kind of vcehicular tunnel abnormal shape arch and supporting construction Download PDFInfo
- Publication number
- CN109268040A CN109268040A CN201811459243.6A CN201811459243A CN109268040A CN 109268040 A CN109268040 A CN 109268040A CN 201811459243 A CN201811459243 A CN 201811459243A CN 109268040 A CN109268040 A CN 109268040A
- Authority
- CN
- China
- Prior art keywords
- arch
- tunnel
- abnormal shape
- vcehicular tunnel
- vcehicular
- 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.)
- Granted
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- 238000010276 construction Methods 0.000 title claims abstract description 21
- 230000002159 abnormal effect Effects 0.000 title claims abstract description 14
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000002131 composite material Substances 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005215 recombination Methods 0.000 description 2
- 230000006798 recombination Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
- E21D11/20—Special cross- sections, e.g. corrugated
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention discloses a kind of vcehicular tunnel abnormal shape arch, the arch is circumferential enclosed construction, including upper arch and lower arch；Lower arch is the upward U-shaped structure of open side；Upper arch is used to support the top in tunnel, upper arch is a continuous wavy curve, the extending direction of wavy curve is the width direction in tunnel, the wavy curve is made of the identical unicast curve of multiple structures, wave crest is parallel to the vertical line of trough and the extending direction in tunnel, and the both ends of upper arch are connect with the both ends of lower arch respectively.The arch increases longitudinally connected between composite lining of tunnel preliminary bracing arch, to arch buckling, extend the supporting range of arch circumferential direction, increase the stability of arch part support rigidity and entire combination supporting, can reduce tunnel longitudinal stress otherness it is larger and generate construction risk.
Description
Technical field
The present invention relates to vcehicular tunnel construction technique field, specially a kind of vcehicular tunnel abnormal shape arch.
Background technique
The middle arch rack of composite lining of tunnel preliminary bracing at present is connected in longitudinal direction using reinforcing bar using the circumferential cyclization of list Pin,
Country rock is reinforced, generates moderate finite deformation to resist country rock.However at the longitudinally connected place of arch, reinforcing bar only plays longitudinally connected work
With there are the missings of supporting between arch longitudinal direction, are easy to produce larger sedimentation at these positions and even " close a landslide ".
Problem in view of the prior art, it is necessary to design a kind of novel arch, cannot be risen for solving existing arch longitudinally
To the problem of supporting role.
Summary of the invention
Aiming at the problems existing in the prior art, the present invention provides a kind of vcehicular tunnel abnormal shape arch, adopts at the top of arch
With reticular structure, increase the longitudinally connected rigidity of arch, extend the supporting range of arch circumferential direction, enhances integer support stability.
The present invention is to be achieved through the following technical solutions:
A kind of vcehicular tunnel abnormal shape arch, the arch are circumferential enclosed construction, including upper arch and lower arch；
Lower arch is the upward U-shaped structure of open side；
Upper arch is used to support the top in tunnel, and upper arch is a continuous wavy curve, the extension side of wavy curve
To the width direction for tunnel, which is made of the identical unicast curve of multiple structures, the vertical line of wave crest to trough with
The extending direction in tunnel is parallel, and the both ends of upper arch are connect with the both ends of lower arch respectively.
Optionally, the upper arch is arc-shaped structure.
Optionally, the both ends of the upper arch are located at the center of wave height.
Optionally, the wave height of the wavy curve is 500mm-1500mm, two neighboring corrugation pitch 800mm-1200mm.
Optionally, it is provided with connecting hole at each wave crest or trough of the upper arch, for connecting with adjacent arch.
Optionally, the axis of the connecting hole and the extending direction in tunnel are parallel.
Optionally, the cross section of the arch is I-shaped, round or polygon.
Optionally, the I-shaped waist is vertically arranged.
The application also provides a kind of safeguard structure of vcehicular tunnel, including above-mentioned arch, several arches prolong along tunnel
Length direction equidistantly arranges, and two neighboring arch is along the radial mirror settings in tunnel, and the wave crest of adjacent company arch connects or phase
Neighbour connects the trough connection of an arch, and the top of supporting construction is made to form reticular structure.
Compared with prior art, the invention has the following beneficial technical effects:
A kind of supporting construction of vcehicular tunnel provided by the present application closes arch circumferential direction, increases tunnel recombination formula lining
It is longitudinally connected between block preliminary bracing arch, to arch buckling, the supporting range of arch circumferential direction is extended, arch is increased
Local support rigidity and the stability of entire combination supporting, can reduce tunnel longitudinal stress otherness it is larger and generate construction
Risk.
A kind of tunnel support structure when installation, carries out the positive and negative assembled supporting for just completing tunnel using multiple above-mentioned arches
System, the arch improve the construction efficiency of support system, reduce construction cost in pre-formed, the in-site installation of factory's batch.
It is carried out with bolt longitudinally connected simultaneously, saves welding procedure.Secondly after multiple arch connections, the top of supporting construction is made to form net
Shape structure increases the overall stability that arch is applied in combination.
Detailed description of the invention
Fig. 1 is the front view of arch of the present invention；
Fig. 2 is the side view of arch of the present invention；
Fig. 3 is the top view of arch of the present invention；
Fig. 4 is the axonometric drawing of arch of the present invention；
Fig. 5 is the scheme of installation of arch of the present invention.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, described to be explanation of the invention rather than limit
It is fixed.
As shown in Figs 1-4, a kind of vcehicular tunnel opposite sex arch, the circumferential closing which is made of upper arch and lower arch
Structure.
Lower arch is the upward U-shaped structure of open side, and the top of lower arch is arranged in arch frame.
Match at the top of the shape and tunnel of upper arch, be arc-shaped structure, upper arch is that a continuous waveform is bent
Line is constituted, which is made of the identical unicast curve of multiple structures, the vertical line of wave crest to trough and the extension side in tunnel
To parallel, the both ends of upper arch are located at the center of wave height, and the both ends of upper arch are connect with two tops of lower arch respectively.
The wave height of wavy curve is 500mm-1500mm, two neighboring corrugation pitch 800-1200.
Connecting hole is provided at peaks and troughs, for being connected with adjacent arch, the axis and tunnel of the connecting hole
Extending direction it is parallel.Two neighboring arch is connected by screw bolts or welds along the radial mirror settings in tunnel, and preferred bolt connects
It connects.
Cross section of arch and lower arch is I-shaped on this, and I-shaped support portion is vertically arranged.
Arch and lower arch are all made of I-steel bending and molding, the top surface in the top surface support tunnel of upper arch on this；Lower arch
The bottom surface of frame is supported on the ground in tunnel.
Cross section of arch and lower arch can also be circle, direction, rectangle or polygon on this.
As shown in figure 5, a kind of supporting construction of vcehicular tunnel, including multiple above-mentioned closed arches of circumferential direction, multiple arches
Extending direction along tunnel equidistantly arranges, radial mirror settings of the two neighboring arch along tunnel, the wave of two neighboring arch
Peak is bolted or the trough of two neighboring arch is bolted, and the top of supporting construction is made to form reticular structure.
A kind of supporting construction of vcehicular tunnel provided by the present application closes arch circumferential direction, increases tunnel recombination formula lining
It is longitudinally connected between block preliminary bracing arch, to arch buckling, the supporting range of arch circumferential direction is extended, arch is increased
Local support rigidity and the stability of entire combination supporting, can reduce tunnel longitudinal stress otherness it is larger and generate construction
Risk.
When tunnel support structure is installed, using multiple above-mentioned arches, the positive and negative assembled support system for just completing tunnel is carried out,
The arch improves the construction efficiency of support system, reduces construction cost in pre-formed, the in-site installation of factory's batch.Simultaneously
It is carried out with bolt longitudinally connected, saves welding procedure.Secondly after multiple arch connections, the top of supporting construction is made to form netted knot
Structure increases the overall stability that arch is applied in combination.
The above content is merely illustrative of the invention's technical idea, and this does not limit the scope of protection of the present invention, all to press
According to technical idea proposed by the present invention, any changes made on the basis of the technical scheme each falls within claims of the present invention
Protection scope within.
Claims (9)
1. a kind of vcehicular tunnel abnormal shape arch, which is characterized in that the arch is circumferential enclosed construction, including upper arch and lower arch
Frame；
Lower arch is the upward U-shaped structure of open side；
Upper arch is used to support the top in tunnel, and upper arch is a continuous wavy curve, and the extending direction of wavy curve is
The width direction in tunnel, the wavy curve are made of the identical unicast curve of multiple structures, the vertical line and tunnel of wave crest to trough
Extending direction it is parallel, the both ends of upper arch are connect with the both ends of lower arch respectively.
2. vcehicular tunnel abnormal shape arch according to claim 1, which is characterized in that the upper arch is arc-shaped structure.
3. vcehicular tunnel abnormal shape arch according to claim 1, which is characterized in that the both ends of the upper arch are located at wave height
Center.
4. vcehicular tunnel abnormal shape arch according to claim 1, which is characterized in that the wave height of the wavy curve is 500mm-
1500mm, two neighboring corrugation pitch 800mm-1200mm.
5. vcehicular tunnel abnormal shape arch according to claim 1, which is characterized in that each wave crest or trough of the upper arch
Place is provided with connecting hole, for connecting with adjacent arch.
6. vcehicular tunnel abnormal shape arch according to claim 5, which is characterized in that the axis of the connecting hole and prolonging for tunnel
Length direction is parallel.
7. vcehicular tunnel abnormal shape arch according to claim 1, which is characterized in that the cross section of the arch be it is I-shaped,
Round or polygon.
8. vcehicular tunnel abnormal shape arch according to claim 7, which is characterized in that the I-shaped waist is vertically arranged.
9. a kind of safeguard structure of vcehicular tunnel, which is characterized in that including any one of the claim 1-8 arch, several
Extending direction of the arch along tunnel equidistantly arranges, radial mirror settings of the two neighboring arch along tunnel, adjacent company arch
Wave crest connection or adjacent company arch trough connection, make supporting construction top formation reticular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811459243.6A CN109268040B (en) | 2018-11-30 | 2018-11-30 | Special-shaped arch frame and supporting structure for highway tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811459243.6A CN109268040B (en) | 2018-11-30 | 2018-11-30 | Special-shaped arch frame and supporting structure for highway tunnel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109268040A true CN109268040A (en) | 2019-01-25 |
| CN109268040B CN109268040B (en) | 2024-05-07 |
Family
ID=65186782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811459243.6A Active CN109268040B (en) | 2018-11-30 | 2018-11-30 | Special-shaped arch frame and supporting structure for highway tunnel |
Country Status (1)
| Country | Link |
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| CN (1) | CN109268040B (en) |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB808500A (en) * | 1954-09-09 | 1959-02-04 | Bergbaustahl Gmbh & Co | Anchor supports for roofs and walls of mine galleries and the like |
| DE2637738A1 (en) * | 1976-08-21 | 1978-02-23 | Wuppermann Gmbh Theodor | Tunnel lining with arches and corrugated sheets - has corrugated cold rolled steel sheets secured to return flanges of U=section arches |
| FR2497871A1 (en) * | 1981-01-14 | 1982-07-16 | Salzgitter Maschinen Ag | TRIM TRIM FOR COMPOSITE SUPPORT BASED ON CONCRETE SPRAYED FOR WELL DRAINING OR DIGGING WELLS OR TUNNELS |
| AU1471602A (en) * | 2001-02-19 | 2002-08-22 | Neumann Steel Pty Limited | A mine support |
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-
2018
- 2018-11-30 CN CN201811459243.6A patent/CN109268040B/en active Active
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| FR2497871A1 (en) * | 1981-01-14 | 1982-07-16 | Salzgitter Maschinen Ag | TRIM TRIM FOR COMPOSITE SUPPORT BASED ON CONCRETE SPRAYED FOR WELL DRAINING OR DIGGING WELLS OR TUNNELS |
| AU1471602A (en) * | 2001-02-19 | 2002-08-22 | Neumann Steel Pty Limited | A mine support |
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| Publication number | Publication date |
|---|---|
| CN109268040B (en) | 2024-05-07 |
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