CN210068201U - Corrugated plate supporting assembly - Google Patents
Corrugated plate supporting assembly Download PDFInfo
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- CN210068201U CN210068201U CN201920972948.1U CN201920972948U CN210068201U CN 210068201 U CN210068201 U CN 210068201U CN 201920972948 U CN201920972948 U CN 201920972948U CN 210068201 U CN210068201 U CN 210068201U
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Abstract
The utility model discloses a corrugated plate supporting component, which comprises two adjacent corrugated plates, wherein the two adjacent corrugated plates are installed and fixed in the circumferential direction of a tunnel through the matching of the end where a positioning block is positioned and the end where a positioning groove is positioned, so that the corrugated plates in the circumferential direction are connected into a whole, and when the corrugated plates receive the pressure at the top of the tunnel rock wall or the pressure at two sides, the corrugated plates in the circumferential direction are stressed integrally; the two adjacent corrugated plates are butted with a second side plate on the channel steel at the corresponding position through a flange plate in the axial direction of the tunnel and are fixed by a second bolt, and when the tunnel is subjected to pressure, the first side plate or the second side plate of the channel steel deforms in the axial direction to buffer the pressure; two brace rods of the corrugated structure are symmetrically arranged between the annular plate and the lower wing plate on two sides of the web plate, and when pressure is applied, the channel steel on two sides slides downwards on the web plate in the radial direction, and the brace rods deform to buffer the pressure.
Description
Technical Field
The utility model relates to a tunnel engineering field especially relates to a subassembly is strutted to buckled plate.
Background
In the prior art, a concrete composite lining method is often adopted to support a tunnel or a culvert. Generally speaking, the primary support mainly bears all loads in the construction stage and main loads in the operation stage, the secondary support is mainly used as a safety reserve to bear loads which are possibly degraded and act on a secondary lining or additional loads caused by soft rock creep, environmental condition change and the like, meanwhile, in alpine regions, the joint part of the concrete support often has the problems of water leakage, corrosion and frost heaving, so that the concrete can fall off, thereby bringing the safety problem, the existing secondary support usually adopts corrugated plates formed by splicing to support a tunnel, the pressure generated by rock explosion, frost heaving and soft rock creep cannot be supported by the steel-shaped structure of the corrugated plates, the pressure is in the axial direction or the radial direction of the corrugated plate support, and if the corrugated plate support bears the pressure only by the structure of the corrugated plate, the support formed by the corrugated plates can be greatly deformed and lose the capacity, and current buckled plate adopts the flange to rely on the bolt fastening after the butt joint when the hoop is spliced, and this kind of structure is when receiving pressure, concentrates on flange or bolt during the atress, very easily takes place to warp and makes joint strength decline to lead to its to strut the performance reduction.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a joint strength between the ripples can be improved to and when tunnel cliff strutted production pressure to the tunnel, its axial direction or radial direction can both obtain the buckled plate support subassembly of alleviating.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is: a corrugated plate supporting assembly comprises a supporting body and a pressure reducing mechanism, wherein the supporting body supports a tunnel rock wall and is matched with the tunnel rock wall in shape; the supporting body is formed by splicing a plurality of corrugated plates in the axial direction and the annular direction of the tunnel, the two annular ends of the supporting body are fixed with an inverted arch at the bottom of the tunnel, and the two adjacent corrugated plates are fixed through a splicing structure in the annular direction of the tunnel and are connected by a pressure reducing mechanism in the axial direction of the tunnel; the splicing structure comprises flange plates which are positioned at two axial ends of each corrugated plate and are fixed along the annular direction of the tunnel, one end of each flange plate extends outwards along the radian of the flange plate to form a positioning block, the other end of each flange plate is provided with a positioning groove matched with the positioning block, and two adjacent corrugated plates are embedded into the positioning grooves in a matched manner through the positioning blocks to be connected and fixed; the pressure reducing mechanism comprises profile steel, channel steel and support ribs; the section steel is formed by sequentially splicing and fixing a plurality of section steel unit bodies along the circumferential direction of the tunnel, and is provided with an upper wing plate of an outer ring, a lower wing plate of an inner ring and a web plate which is fixed between the upper wing plate and the lower wing plate and enables the section steel to form an I shape; the channel steel comprises two channel steel, each channel steel is formed by sequentially splicing and fixing a plurality of channel steel unit bodies along the circumferential direction of a tunnel, the section of each channel steel is of an n-shaped structure, a ring-shaped plate is arranged at the top of each channel steel, a first side plate and a second side plate are fixed at two ends of the inner side of each ring-shaped plate, a notch is formed between each first side plate and each second side plate, the two channel steel are symmetrically arranged at two sides of the outer ring of a web plate, the first side plates of the two channel steel are fixed with the web plate through first bolts, slotted holes with the length directions consistent with the radial direction of the tunnel are formed in the positions, corresponding to the first bolts, on the web plate, two adjacent corrugated plates are butted with the second side plates through flanges at; the supporting ribs are fixed in each notch, the supporting ribs are of a wave structure along the circumferential direction of the tunnel, wave crests of the supporting ribs are fixed with the annular plate, and wave troughs of the supporting ribs are fixed with the lower wing plate.
The further technical scheme is as follows: the splicing structure is fixed by a third bolt at the overlapping part formed by the mutual overlapping of the corrugated plates.
The further technical scheme is as follows: the third bolt is located the buckled plate outside crest to and between crest and the trough.
The further technical scheme is as follows: the middle position of the annular plate protrudes outwards to form a wave-shaped structure.
The further technical scheme is as follows: a first sealing gasket is fixed between the first side plate and the web plate.
The further technical scheme is as follows: and a second sealing gasket is fixed between the second side plate and the flange plate.
The further technical scheme is as follows: corrugated plate outside trough internal fixation has the drain bar, the water drainage tank has been seted up in the drain bar outside, and the drain bar surface covers has the permeable bed, wear to be equipped with the heating band in the water drainage tank.
The further technical scheme is as follows: and reinforcing ribs are fixed on the inner sides of the corrugated plates at the connecting positions of the flange plates and the flange plates.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the adjacent two corrugated plates are installed and fixed in the circumferential direction of the tunnel through the matching of the end where the positioning block is located and the end where the positioning groove is located, so that the corrugated plates in the circumferential direction are connected into a whole, when the pressure at the top of the tunnel rock wall or the pressure at two sides of the tunnel rock wall is received, the corrugated plates transmit the pressure to each corrugated plate in the circumferential direction through the connection mode, the corrugated plates in the circumferential direction are integrally stressed, the pressure received by a certain part is resisted by the aid of the whole structure, and the supporting performance of the tunnel is improved;
the two adjacent corrugated plates are butted with a second side plate on the channel steel at the corresponding position through a flange plate in the axial direction of the tunnel and are fixed by a second bolt, when the supporting body is subjected to pressure generated by rock burst and frozen expansion of the rock wall of the tunnel, the first side plate or the second side plate of the channel steel deforms in the axial direction to buffer the pressure, so that the supporting body only bears the gravity of the rock burst or frozen expanded rock wall, and the supporting body still has supporting capacity;
two brace rods of a wave structure are symmetrically arranged between the annular plate and the lower wing plate on two sides of the web plate, a slotted hole with the length direction being consistent with the tunnel radial direction is formed in the plate and the position of the first bolt, when the support body is subjected to rock burst caused by the rock wall of the tunnel, and when pressure is generated by expansion due to freezing, channel steel on two sides slides downwards on the web plate in the radial direction, the brace rods deform to buffer the pressure, so that the support body only bears the gravity of the rock wall after the rock burst or the expansion due to freezing, and the support performance of the support body is further improved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the circumferential connection of corrugated plates according to the present invention;
fig. 3 is a schematic structural view of the pressure reducing mechanism of the present invention;
fig. 4 is a schematic structural view of the corrugated plate of the present invention;
fig. 5 is a schematic structural view of the drainage plate of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1 to 5, a corrugated plate support assembly includes a support body 2 and a decompression mechanism 3, which support a tunnel rock wall 1 and have a shape matching the support body; the supporting body 2 is formed by splicing a plurality of corrugated plates 201 in the axial direction and the annular direction of the tunnel, the two annular ends of the supporting body 2 are fixed with an inverted arch at the bottom of the tunnel, and the two adjacent corrugated plates 201 are fixed through a splicing structure in the annular direction of the tunnel and are connected with each other by a pressure reducing mechanism 3 in the axial direction of the tunnel; mosaic structure is including being located the axial both ends of each buckled plate 201 and along tunnel hoop fixed ring flange 202, ring flange 202's one end is outwards extended along its radian has a locating piece 203, the other end seted up with locating piece assorted constant head tank 204, two adjacent buckled plates 201 pass through locating piece 203 cooperation embedding constant head tank 204 internal connection and fixed.
The support body 2 is that a plurality of buckled plates 201 are forming along tunnel axial and hoop concatenation, in the installation, splice earlier on the hoop direction, the buckled plate 201 tip at both ends passes through rag bolt with the inverted arch in the tunnel on every buckled plate 201 and fixes, and locating piece 203 one end is in constant head tank 204 below, during the concatenation of two buckled plates 201, in the constant head tank 204 of another buckled plate 201 of buckled plate 201 end cooperation embedding, and it is fixed with bolt or welding mode.
Two adjacent buckled plates 201 are through locating piece 203 place end and the mutual cooperation installation of constant head tank 204 place end and fixed on tunnel hoop direction, the buckled plate 201 that can make the hoop direction connects into one whole, when receiving the pressure of tunnel cliff 1 top pressure or both sides, buckled plate 201 transmits this pressure to each buckled plate 201 of hoop direction through this connected mode, the homoenergetic makes the whole atress of buckled plate 201 of hoop direction, rely on the pressure that overall structure confronts certain position and receives, the improvement is to the shoring performance in tunnel.
The decompression mechanism 3 comprises profile steel 301, channel steel 302 and support ribs 303; the section steel 301 is formed by sequentially splicing and fixing a plurality of section steel unit bodies along the circumferential direction of the tunnel, and is provided with an upper wing plate 304 of an outer ring, a lower wing plate 305 of an inner ring and a web plate 306 which is fixed between the upper wing plate 304 and the lower wing plate 305 and enables the section steel 301 to form an I shape; the channel steel 302 comprises two channel steel 302, each channel steel 302 is formed by sequentially splicing and fixing a plurality of channel steel unit bodies along the circumferential direction of a tunnel, the section of each channel steel 302 is of an n-shaped structure, the top of each channel steel 302 is provided with an annular plate 307, a first side plate 308 and a second side plate 309 are fixed at two ends of the inner side of the annular plate 307, a notch 310 is formed between the first side plate 308 and the second side plate 309, the two channel steel 302 are symmetrically arranged at two sides of the outer ring of a web 306, the first side plates 308 of the two channel steel 302 are fixed with the web 306 through first bolts 311, slotted holes 312 with the length direction being consistent with the radial direction of the tunnel are formed in the positions, corresponding to the first bolts 311, on the web 306, and two adjacent corrugated plates 201 are butted with the second side plate 309 through flange plates 202 at corresponding positions; the support rib 303 is fixed in each notch 310, the support rib 303 is of a wave structure along the circumferential direction of the tunnel, the wave crest of the support rib is fixed with the annular plate 307, and the wave trough of the support rib is fixed with the lower wing plate 305.
After the annular corrugated plate 201 is installed, the pressure reducing mechanism 3 is installed, section steel 301, channel steel 302 and support ribs 303 in the pressure reducing mechanism 3 are all segmented, each segment is equal to the length of a flange plate 202 on the corrugated plate 201, the combined body of each segment of section steel 301, channel steel 302 and support ribs 303 is assembled in advance, the section steel 301 at two annular ends is fixed with an inverted arch in a tunnel, a steel plate can be lapped and fixed by bolts or the two section steel 301 can be directly welded and fixed at the connecting position of a lower wing plate 305 between the two circumferentially adjacent section steel 301, the wave crest position of the support ribs 303 is welded and fixed with the annular plate 307, and the wave trough position of the support ribs is welded and fixed with the lower wing plate 305; fix the second lateral plate 309 of one side channel-section steel 302 and the ring flange 202 of buckled plate 201 with second bolt 313 earlier, accomplish a ring decompression mechanism 3 after, at another ring buckled plate 201 of installation to fix the ring flange 202 of buckled plate 201 and the first lateral plate 308 of opposite side channel-section steel 302 with the bolt, in proper order with the support body 2 and the whole tunnel of mechanism 3 of decompression is covered.
The two adjacent corrugated plates 201 are butted with the second side plate 309 on the channel steel 302 at the corresponding position through the flange plate 202 in the axial direction of the tunnel and are fixed by the second bolts 313, when the supporting body 2 is subjected to pressure generated by rock burst and frozen expansion of the rock wall 1 of the tunnel, the first side plate 308 or the second side plate 309 of the channel steel 302 deforms in the axial direction to buffer the pressure, so that the supporting body 2 only bears the gravity of the rock burst or frozen expanded rock wall, and the supporting body 2 still has supporting capacity; two brace rods 303 of a wave structure are symmetrically arranged between a ring-shaped plate 307 and a lower wing plate 305 on two sides of a web 306, slotted holes 312 with the length direction being consistent with the radial direction of a tunnel are formed in the positions of the plate and first bolts 311, when a support body 2 is subjected to rock burst on a rock wall 1 of the tunnel and is frozen to rise, channel steel 302 on two sides slides downwards on the web 306 in the radial direction, the brace rods 303 deform in the process to buffer the pressure, so that the support body 2 only bears the gravity of the rock burst or the frozen rock wall, and the support performance of the support body 2 is further improved.
The mosaic structure is fixed with the help of third bolt 314 at the overlapping position that the mutual overlap joint of buckled plate 201 formed, and with third bolt 314 complex nut because of before the installation buckled plate 201 with the position that third bolt 314 is connected with welded fastening, later direct mount third bolt 314, it is convenient to connect the installation with third bolt 314, the later stage maintenance is convenient.
The third bolt 314 is located the crest of the corrugated plate 201 outside to and between the crest and the trough, so that the corrugated nets of the two corrugated plates 201 are completely matched and attached, and the overall supporting performance of the supporting body 2 is ensured.
The middle part of the annular plate 307 protrudes outwards to form a wave structure, so that the annular plate 307 can also play a role in buffering, and the buffering and pressure reducing effects of the pressure reducing mechanism 3 are improved.
Be fixed with first sealed pad between first curb plate 308 and the web 306, be fixed with the sealed pad of second between second curb plate 309 and the ring flange 202, can guarantee that the hookup location of the support body can not take place the infiltration phenomenon.
The reinforcing ribs 319 are fixed on the inner side of the corrugated plate 201 at the connecting position of the flange plate 202, so that the strength of the flange plate 202 can be further improved, the deformation can be prevented, and the supporting performance of the supporting body 2 can be further improved.
The above is only the preferred embodiment of the present invention, and any person can make some simple modifications, deformations and equivalent replacements according to the present invention, all fall into the protection scope of the present invention.
Claims (8)
1. The utility model provides a subassembly is strutted to buckled plate which characterized in that: comprises a supporting body (2) and a pressure reducing mechanism (3), wherein the supporting body supports a tunnel rock wall (1) and is matched with the tunnel rock wall in shape;
the supporting body (2) is formed by splicing a plurality of corrugated plates (201) in the axial direction and the annular direction of the tunnel, the two annular ends of the supporting body (2) are fixed with an inverted arch at the bottom of the tunnel, two adjacent corrugated plates (201) are fixed in the annular direction of the tunnel through a splicing structure and are connected in the axial direction of the tunnel by means of a pressure reducing mechanism (3);
the splicing structure comprises flange plates (202) which are positioned at two axial ends of each corrugated plate (201) and are fixed along the annular direction of the tunnel, one end of each flange plate (202) outwards extends along the radian of the flange plate to form a positioning block (203), the other end of each flange plate is provided with a positioning groove (204) matched with the positioning block, and the two adjacent corrugated plates (201) are matched and embedded into the positioning grooves (204) through the positioning blocks (203) to be connected and fixed;
the pressure reducing mechanism (3) comprises section steel (301), channel steel (302) and support ribs (303); the section steel (301) is formed by sequentially splicing and fixing a plurality of section steel unit bodies along the circumferential direction of a tunnel, and is provided with an upper wing plate (304) of an outer ring, a lower wing plate (305) of an inner ring and a web plate (306) which is fixed between the upper wing plate (304) and the lower wing plate (305) and enables the section steel (301) to form an I shape; the channel steel (302) comprises two channel steel units, each channel steel (302) is formed by sequentially splicing and fixing a plurality of channel steel unit bodies along the circumferential direction of the tunnel, the section of each channel steel (302) is of an 'n' -shaped structure, the top of the box body is provided with a ring-shaped plate (307), a first side plate (308) and a second side plate (309) are fixed at two ends of the inner side of the ring-shaped plate (307), a notch (310) is formed between the first side plate (308) and the second side plate (309), the two channel steels (302) are symmetrically arranged at two sides of the outer ring of the web plate (306), and the first side plates (308) of the two channel steels (302) are fixed with the web plate (306) by first bolts (311), slotted holes (312) with the length direction consistent with the radial direction of the tunnel are formed in the positions, corresponding to the first bolts (311), on the web plates (306), and the two adjacent corrugated plates (201) are butted with the second side plate (309) through flange plates (202) in the corresponding positions in the axial direction of the tunnel and are fixed through second bolts (313); the supporting ribs (303) are fixed in each notch (310), the supporting ribs (303) are of a wave-shaped structure along the circumferential direction of the tunnel, wave crests of the supporting ribs are fixed with the annular plate (307), and wave troughs of the supporting ribs are fixed with the lower wing plate (305).
2. A corrugated plate support assembly as claimed in claim 1, wherein: the splicing structure is fixed by a third bolt (314) at the overlapping part formed by overlapping the corrugated plates (201).
3. A corrugated plate support assembly as claimed in claim 2, wherein: the third bolt (314) is positioned at the outside wave crest of the corrugated plate (201) or between the wave crest and the wave trough.
4. A corrugated plate support assembly as claimed in claim 1, wherein: the middle position of the annular plate (307) is convex outwards to form a wave-shaped structure.
5. A corrugated plate support assembly as claimed in claim 1, wherein: a first sealing gasket is fixed between the first side plate (308) and the web plate (306).
6. A corrugated plate support assembly as claimed in claim 1, wherein: and a second sealing gasket is fixed between the second side plate (309) and the flange plate (202).
7. A corrugated plate support assembly as claimed in claim 1, wherein: corrugated plate (201) outside trough internal fixation has drain bar (315), water drainage tank (316) have been seted up in drain bar (315) outside, and drain bar (315) surface cover has permeable layer (317), wear to be equipped with heating tape (318) in water drainage tank (316).
8. A corrugated plate support assembly as claimed in claim 1, wherein: and reinforcing ribs (319) are fixed on the inner side of the corrugated plate (201) at the connecting position of the flange plate (202) and the flange plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920972948.1U CN210068201U (en) | 2019-06-26 | 2019-06-26 | Corrugated plate supporting assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920972948.1U CN210068201U (en) | 2019-06-26 | 2019-06-26 | Corrugated plate supporting assembly |
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| Publication Number | Publication Date |
|---|---|
| CN210068201U true CN210068201U (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920972948.1U Active CN210068201U (en) | 2019-06-26 | 2019-06-26 | Corrugated plate supporting assembly |
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| CN (1) | CN210068201U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963213A (en) * | 2020-07-13 | 2020-11-20 | 北京鸿锐嘉科技发展有限公司 | Tunnel corrugated steel plate reinforcing device and method |
-
2019
- 2019-06-26 CN CN201920972948.1U patent/CN210068201U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963213A (en) * | 2020-07-13 | 2020-11-20 | 北京鸿锐嘉科技发展有限公司 | Tunnel corrugated steel plate reinforcing device and method |
| CN111963213B (en) * | 2020-07-13 | 2022-12-20 | 北京鸿锐嘉科技发展有限公司 | Tunnel corrugated steel plate reinforcing device and method |
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