CN209798566U - dangerous rock falling stone protection combination stone blocking wall structure - Google Patents
dangerous rock falling stone protection combination stone blocking wall structure Download PDFInfo
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- CN209798566U CN209798566U CN201920270210.0U CN201920270210U CN209798566U CN 209798566 U CN209798566 U CN 209798566U CN 201920270210 U CN201920270210 U CN 201920270210U CN 209798566 U CN209798566 U CN 209798566U
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Abstract
the utility model relates to a dangerous rock and rockfall protection combination stone blocking wall structure, the structure includes the existing shed tunnel bearing structure of high steep slope one side, existing shed tunnel bearing structure includes the existing pier body that becomes the row vertically and the existing shed tunnel girder and secondary beam and apron above it, set up newly-built pier body longitudinally between the existing pier body along the road, set up the vertical horizontal longeron above the newly-built pier body, set up the horizontal crossbeam to leaning on the mountain side perpendicular to the horizontal longeron, horizontal longeron and horizontal crossbeam are located the top of existing shed tunnel apron; and an upright longitudinal stone blocking wall panel is longitudinally arranged above the horizontal longitudinal beam, a transverse stone blocking wall rib plate is arranged above the horizontal cross beam, and an anchor rope anchored into a mountain is arranged in the transverse stone blocking wall rib plate. The utility model discloses a high steep side slope dangerous rock falling rocks protection problem is handled to the engineering structure who comprises the reinforced concrete component, has avoided building that multi-thread shed tunnel cost is high and the abrupt slope is gone up to build blocks stone structure protection height low, the falling rocks and can stride across, and overhaul clearance falling rocks difficulty scheduling problem.
Description
Technical Field
The utility model belongs to the technical field of the railway engineering construction, concretely relates to dangerous rock rockfall protection combination blocks stone wall structure.
background
The dangerous rockfall of the high and steep side slope is inevitable in railway construction, the situation of the high and steep side slope is dangerous in southwest mountain areas and Tibet areas of China, the dangerous rockfall is distributed in a large quantity, and the influence on the operation safety is great.
The method for protecting the dangerous rock falling on the railway and the highway mostly adopts a slope brushing method, a metal stone blocking net, a tunnel open cut tunnel, a multi-line shed tunnel, a gravity type stone blocking wall, a pile plate stone blocking wall, a steel rail fence and the like and a combination method thereof. The method is characterized in that a railway is built on a roadbed with 8 parallel tracks, the rockfall track is calculated and then displayed, rockfall can hit the newly built parallel tracks, great hidden dangers are caused to driving safety, the height of the rockfall can hardly reach 20m or the construction cost is high by a conventional rockfall method, and a method is urgently needed for solving the problem.
Disclosure of Invention
the utility model aims at providing a dangerous rock rockfall protection combination blocks stone wall structure to solve current block stone structure height and can not reach 20m, and the high safety risk increase problem that leads to inadequately of multi-thread shed tunnel structure cost.
The utility model discloses the technical scheme who adopts does:
the utility model provides a dangerous rock rockfall protection combination stone blocking wall structure, includes the existing shed tunnel bearing structure of high steep side slope one side, and existing shed tunnel bearing structure is including the existing pier body 2 that vertically becomes to be listed as, is horizontal existing shed tunnel girder 4 between the existing pier body 2 mound tops and the backer side, connects through 5 connections of fore-and-aft existing shed tunnel secondary beam between the existing shed tunnel girder 4, and 5 tops of existing shed tunnel secondary beam are equipped with existing shed tunnel apron 16, its characterized in that:
Arranging newly-built pier bodies 3 between existing pier bodies 2, arranging longitudinal horizontal longitudinal beams 6 above the newly-built pier bodies 3, arranging horizontal cross beams 7 perpendicular to the horizontal longitudinal beams 6 and towards the side of the backer, and positioning the horizontal longitudinal beams 6 and the horizontal cross beams 7 above an existing shed cover plate 16;
An upright longitudinal stone blocking wall panel 8 is longitudinally arranged above the horizontal longitudinal beam 6, a transverse stone blocking wall rib plate 10 is arranged above the horizontal cross beam 7, and an anchor rope 11 anchored into a mountain is arranged in the transverse stone blocking wall rib plate 10.
The cross section of the newly-built pier body 3 is a variable cross-section rectangle, the lower part is large and the upper part is small, and the top surface and the bottom surface are horizontal.
Anchor cables 11 are respectively obliquely arranged downwards in the mountain at the upper part and the lower part of the transverse stone blocking wall rib plate 10, and steel protective pipes of the anchor cables 11 are reserved in the transverse stone blocking wall rib plate 10.
The top surface of the transverse stone blocking wall rib plate 10 is inclined downwards, and the bottom surface is horizontal.
The transverse stone blocking wall rib plate 10 is provided with an overhaul channel 9.
a mountain is buried outside the horizontal beam 7, and an enlarged end is provided downward at the end.
Expansion joints 12 vertical to the horizontal longitudinal beams 6 are preset on the longitudinal stone blocking wall panels 8.
Gaps are reserved between the horizontal longitudinal beams 6 and the horizontal cross beams 7 and the existing shed tunnel cover plates 16.
The utility model has the advantages of it is following:
the utility model discloses a high steep side slope dangerous rock falling rocks protection problem is handled to the engineering structure who comprises the reinforced concrete component, has avoided building that multi-thread shed tunnel cost is high and the abrupt slope is gone up to build blocks stone structure protection height low, the falling rocks and can stride across, and overhaul clearance falling rocks difficulty scheduling problem.
Drawings
Fig. 1 is a cross sectional view of the newly built pier body of the utility model.
FIG. 2 is a cross-sectional view of the existing shed pier body of the present invention.
Fig. 3 is a longitudinal sectional view of the present invention.
In the figure, 1-dangerous rock falling stones, 2-existing pier bodies, 3-new pier bodies, 4-existing shed tunnel main beams, 5-existing shed tunnel secondary beams, 6-horizontal longitudinal beams, 7-horizontal cross beams, 8-longitudinal stone blocking wall panels, 9-maintenance channels, 10-transverse stone blocking wall rib plates, 11-anchor cables, 12-expansion joints, 13-existing shed tunnel cover plates, newly-built horizontal longitudinal beams and gaps between horizontal cross beams, 14-design rail top lines, 15-ground lines and 16-existing shed tunnel cover plates.
Detailed Description
The present invention will be described in detail with reference to the following embodiments.
the utility model relates to a dangerous rock rockfall protection combination stone blocking wall structure, including the existing shed tunnel bearing structure of high steep slope one side, existing shed tunnel bearing structure is including vertically becoming existing pier body 2 of arranging, is horizontal existing shed tunnel girder 4 between 2 mound tops of existing pier body and the backer side, connects through vertical existing shed tunnel secondary beam 5 between existing shed tunnel girder 4, and 5 tops of existing shed tunnel secondary beam are equipped with existing shed tunnel apron 16. The utility model discloses set up newly-built pier body 3 between the existing pier body 2, newly-built pier body 3 top sets up fore-and-aft horizontal longeron 6, and perpendicular to horizontal longeron 6 sets up horizontal beam 7 to the backer side, and horizontal longeron 6 and horizontal beam 7 are located the top that is located existing shed hole apron 16. An upright longitudinal stone blocking wall panel 8 is longitudinally arranged above the horizontal longitudinal beam 6, a transverse stone blocking wall rib plate 10 is arranged above the horizontal cross beam 7, and an anchor rope 11 anchored into a mountain is arranged in the transverse stone blocking wall rib plate 10.
The newly-built pier body 3, the horizontal longitudinal beams 6 and the horizontal cross beams 7 are of lower structures, the longitudinal stone blocking wall panels 8, the transverse stone blocking wall rib plates 10 and the anchor cables 11 are of upper structures, and the upper structures and the lower structures are not connected.
The cross section of the newly-built pier body 3 is a variable cross-section rectangle, the lower part is large and the upper part is small, and the top surface and the bottom surface are horizontal. The newly-built pier bodies 3 are longitudinally arranged in multiple ways, and the longitudinal distance is 4.5 m. The horizontal longitudinal beams 6 are 1.25m high and 1.5m wide, and the horizontal cross beams 7 are 1.25m high and 1.0m wide. The thickness of the longitudinal stone blocking wall panel 8 is 0.8m, and the height is 10.0 m.
anchor cables 11 are respectively obliquely arranged downwards in the mountain at the upper part and the lower part of the transverse stone blocking wall rib plate 10, and steel protective pipes of the anchor cables 11 are reserved in the transverse stone blocking wall rib plate 10. The top surface of the transverse stone blocking wall rib plate 10 is inclined downwards, and the bottom surface is horizontal. The transverse stone blocking wall rib plates 10 are longitudinally arranged in a plurality of ways, the longitudinal distance is 4.5m, and the width is 0.6 m. The transverse stone barrier rib plates 10 and the horizontal cross beams 7 of the lower structure are positioned on the same central line.
The transverse stone blocking wall rib plate 10 is provided with an overhaul channel 9 as a stone falling cleaning channel.
the outer side of the horizontal beam 7 is buried in a mountain body, and the end part is provided with an expanded end downwards to play a role in limiting and anchoring.
Expansion joints 12 vertical to the horizontal longitudinal beams 6 are preset on the longitudinal stone blocking wall panel 8 so as to adapt to structural deformation.
Gaps are reserved between the horizontal longitudinal beams 6 and the horizontal cross beams 7 and the existing shed tunnel cover plates 16.
The construction method of the dangerous rock falling rock protection combined stone blocking wall structure is characterized by comprising the following steps of:
the method comprises the following steps: firstly, cutting a rectangular opening at the position of an existing shed cover plate 16 corresponding to the top of a newly-built pier body 3 under the condition of ensuring that an existing shed main beam 4 and an existing shed secondary beam 5 are not damaged, and constructing the newly-built pier body 3;
step two: after the concrete strength of the newly-built pier body 3 reaches the design requirement, erecting a mould on the top surface of the newly-built pier body 3, binding reinforcing steel bars and pouring concrete to construct a horizontal longitudinal beam 6 and a horizontal cross beam 7;
Step three: after the concrete strength of the horizontal longitudinal beam 6 and the horizontal cross beam 7 reaches the design requirement, erecting a mold at the center position of the top of the horizontal cross beam 7, binding reinforcing steel bars, pouring concrete, laying a transverse stone blocking wall rib plate 10, reserving an overhaul channel 9, reserving connecting reinforcing steel bars between the transverse stone blocking wall rib plate 10 and the longitudinal stone blocking wall panel 8, and reserving steel protective pipes at the positions of anchor cables 11 in the transverse stone blocking wall rib plate 10;
Step four: after the strength of the concrete of the rib plate 10 of the transverse stone blocking wall meets the design requirement, laying a longitudinal stone blocking wall panel 8 at the center of the top of the horizontal longitudinal beam 6, erecting a mould, binding reinforcing steel bars and pouring concrete;
Step five: after the concrete strength of the longitudinal stone blocking wall panel 8 reaches the design requirement, an anchor cable 11 is constructed;
step six: after the strength of the concrete of all the structures reaches the design requirement, the top surface of the existing shed tunnel is protected by covering coarse sand, and the thickness is 0.5 m.
The utility model discloses a high steep side slope dangerous rock rockfall protection problem is handled to the engineering structure who comprises the reinforced concrete component, has avoided building the high and abrupt slope of multi-line shed tunnel cost and has built and block stone structure protection height low, and the rockfall can stride across, and overhauls clearance rockfall difficulty scheduling problem.
the content of the present invention is not limited to the examples, and any equivalent transformation adopted by the technical solution of the present invention is covered by the claims of the present invention by those skilled in the art through reading the present invention.
Claims (8)
1. The utility model provides a dangerous rock rockfall protection combination stone blocking wall structure, includes the existing shed tunnel bearing structure of high steep side slope one side, and existing shed tunnel bearing structure is including the vertical existing pier bodies (2) that become to be listed as, is horizontal existing shed tunnel girder (4) between the existing pier body (2) mound top and the backer side, connects through vertical existing shed tunnel secondary beam (5) between existing shed tunnel girder (4), and existing shed tunnel secondary beam (5) top is equipped with existing shed tunnel apron (16), its characterized in that:
newly-built pier bodies (3) are arranged between existing pier bodies (2), longitudinal horizontal longitudinal beams (6) are arranged above the newly-built pier bodies (3), horizontal cross beams (7) are arranged towards the side of the backer perpendicular to the horizontal longitudinal beams (6), and the horizontal longitudinal beams (6) and the horizontal cross beams (7) are positioned above existing shed cover plates (16);
An upright longitudinal stone blocking wall panel (8) is longitudinally arranged above the horizontal longitudinal beam (6), a transverse stone blocking wall rib plate (10) is arranged above the horizontal cross beam (7), and an anchor rope (11) anchored into a mountain is arranged in the transverse stone blocking wall rib plate (10).
2. The combined stone blocking wall structure for protecting dangerous falling rocks according to claim 1, is characterized in that:
the cross section of the newly-built pier body (3) is a variable cross-section rectangle, the lower part is large, the upper part is small, and the top surface and the bottom surface are horizontal.
3. The combined stone blocking wall structure for protecting dangerous falling rocks according to claim 1, is characterized in that:
Anchor cables (11) are respectively obliquely and downwards arranged at the upper part and the lower part of the rib plate (10) of the transverse stone blocking wall into the mountain, and steel protection pipes of the anchor cables (11) are reserved in the rib plate (10) of the transverse stone blocking wall.
4. The combined stone blocking wall structure for protecting dangerous falling rocks according to claim 1, is characterized in that:
The top surface of the rib plate (10) of the transverse stone blocking wall is inclined downwards, and the bottom surface is horizontal.
5. The combined stone blocking wall structure for protecting dangerous falling rocks according to claim 1, is characterized in that:
The transverse stone blocking wall rib plate (10) is provided with an overhaul channel (9).
6. the combined stone blocking wall structure for protecting dangerous falling rocks according to claim 1, is characterized in that:
The outer side of the horizontal beam (7) is embedded into a mountain body, and the end part is provided with an expanded end downwards.
7. The combined stone blocking wall structure for protecting dangerous falling rocks according to claim 1, is characterized in that:
Expansion joints (12) vertical to the horizontal longitudinal beams (6) are preset on the longitudinal stone blocking wall panel (8).
8. the combined stone blocking wall structure for protecting dangerous falling rocks according to claim 1, is characterized in that:
Gaps are reserved between the horizontal longitudinal beams (6) and the horizontal cross beams (7) and the existing shed tunnel cover plates (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920270210.0U CN209798566U (en) | 2019-03-04 | 2019-03-04 | dangerous rock falling stone protection combination stone blocking wall structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920270210.0U CN209798566U (en) | 2019-03-04 | 2019-03-04 | dangerous rock falling stone protection combination stone blocking wall structure |
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| CN209798566U true CN209798566U (en) | 2019-12-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826120A (en) * | 2019-03-04 | 2019-05-31 | 中铁第一勘察设计院集团有限公司 | Rockfall protection combination stone cut off wall structure and its construction method |
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2019
- 2019-03-04 CN CN201920270210.0U patent/CN209798566U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826120A (en) * | 2019-03-04 | 2019-05-31 | 中铁第一勘察设计院集团有限公司 | Rockfall protection combination stone cut off wall structure and its construction method |
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