CN220813581U - Rigid and flexible protection facility for highway side slope guardrail - Google Patents
Rigid and flexible protection facility for highway side slope guardrail Download PDFInfo
- Publication number
- CN220813581U CN220813581U CN202322545056.2U CN202322545056U CN220813581U CN 220813581 U CN220813581 U CN 220813581U CN 202322545056 U CN202322545056 U CN 202322545056U CN 220813581 U CN220813581 U CN 220813581U
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- Prior art keywords
- rigid
- side slope
- slide
- flexible protection
- steel column
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- 229910000831 Steel Inorganic materials 0.000 claims description 57
- 239000010959 steel Substances 0.000 claims description 57
- 239000004570 mortar (masonry) Substances 0.000 claims description 19
- 230000002787 reinforcement Effects 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 230000006837 decompression Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 206010039203 Road traffic accident Diseases 0.000 abstract description 3
- 239000011435 rock Substances 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
Landscapes
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The utility model belongs to the technical field of road traffic safety, and discloses a rigid and flexible protection facility for a highway side slope guardrail, which aims to solve the technical problems in the prior art of side slope protection and guardrail facilities. The utility model forms a complete slope-guardrail rigid-flexible combined protection facility, can ensure traffic safety of highways and furthest reduce casualties and property loss caused by traffic accidents and natural disasters.
Description
Technical Field
The utility model relates to the technical field of road traffic safety, in particular to a rigid and flexible protection facility for a highway side slope guardrail.
Background
Along with the rapid development of expressways in China, especially expressways in mountain areas in south China are developed in a new day and a new month and come forward suddenly, and the mountain areas are used as important components of mountain area traffic at high speed, so that the expressway has the advantages of shortening traffic distance and improving traffic efficiency, but also faces various potential safety hazards.
The traffic safety problem becomes one of the main factors restricting the development of mountain traffic. The method is mainly characterized in that traffic accidents such as driving fatigue or vehicle out of control collision guardrail and the like are caused by poor road alignment conditions, high route index, low vehicle braking performance and the like in mountain areas. Meanwhile, natural disasters such as falling rocks and landslides of the side slopes cannot be avoided when the expressway is built in the mountain area, and the traffic capacity of the expressway is seriously influenced by the two factors.
By combining the two factors, the safety performance of the guardrail facilities and the protection of falling rocks and landslide of the side slope are considered in engineering design. Although the two facilities are basically positioned in the same space plane, the two facilities belong to different departments and designers for design and construction, the mode not only greatly causes resource waste, but also has incompatibility of the design of the two facilities in the same space, causes natural disasters such as falling rocks and landslide, and inevitably affects the service life of the road guardrail.
The prior art is directed to both slope protection and highway guardrails, as disclosed in CN202210123928.3, a "minimally invasive" combined structure suitable for use in a half-cut and half-fill roadbed on steep and crossslope terrain, which reinforces a hillside by combining various supporting structures, but does not combine the guardrail protection with the slope protection, and adopts rigid protection. In summary, how to consider both the protection of the falling rocks and landslide of the side slope and the guardrail facilities is a technical problem to be solved.
Disclosure of utility model
The utility model aims to solve the technical problems in slope protection and guardrail facilities in the prior art and provides a rigid and flexible guardrail protection facility for a highway slope.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a rigid and flexible protection facility of highway side slope guardrail, includes the vertical slide-resistant pile that is close to the landslide body setting, arranged the frame roof beam on the landslide body, the bottom and the vertical slide-resistant pile top parallel and level of frame roof beam, vertical slide-resistant pile upper portion slope has arranged the mortar stock, and in penetrating the bedrock after the one end of mortar stock passed the landslide body, the other end of mortar stock was connected with the pull-up anchor rope, and the pull-up anchor rope is connected with the steel column, and the bottom and the horizontal slide-resistant pile of steel column are connected, and horizontal slide-resistant pile sets up in one side of vertical slide-resistant pile, still arranged the wire net between steel column top and the bottom.
Further, the top of the steel wire mesh is connected with an upper supporting rope, the bottom of the steel wire mesh is provided with a lower supporting rope, and reinforcing anchor ropes are symmetrically arranged between the lower supporting rope and the top of the steel column at intervals.
Further, the bottom of the steel column is hinged with a base, and the base is connected with the transverse anti-slide pile through a steel bar anchor rod.
Further, the upper part of the pull-up anchor rope is provided with a decompression ring.
Further, the angle between the steel column and the ground is 100-120 degrees.
Further, the top end of the steel column is higher than the top end of the sash beam.
Further, the angle between the mortar anchor rod and the horizontal plane is 30-45 degrees.
Further, a steel wire grid is arranged between the steel wire mesh and the steel column.
Further, one side of the transverse slide-resistant pile is a drainage ditch.
Further, the longitudinal anti-slide piles and the transverse anti-slide piles are both composed of C40 concrete and steel reinforcement cages.
Compared with the prior art, the utility model has the following beneficial effects:
The utility model forms a protection facility for preventing the side slope from sliding through the slide-resistant piles, the mortar anchor rods and the sash beams, forms a bidirectional protection facility (net) for preventing the side slope from falling stones and being used as a guardrail through the upward-pulling anchor ropes, the steel wire nets, the steel columns and the like, and forms a complete side slope-guardrail rigid-flexible combined protection facility by means of the upward-pulling anchor ropes (flexibility) at the upper part and the slide-resistant piles (rigidity) at the bottom, thereby being more economical and practical, guaranteeing the traffic safety of highways and reducing the casualties and the property loss caused by traffic accidents and natural disasters to the greatest extent.
The steel wire mesh, the upper supporting rope, the lower supporting rope and the reinforcing anchor rope form a protective net surface, so that falling stones on a side slope can be prevented from falling into a highway driving road surface, and the effect of energy consumption and speed reduction can be provided for a running-in road side of an out-of-control vehicle.
The upper part of the pull-up anchor rope is provided with the pressure reducing ring so as to relieve pressure on the anchor rope caused by falling rocks or the automobile entering the steel wire mesh. The mortar anchor rod is fully combined with the bedrock, the landslide body and the slide-resistant pile, and provides an active anchoring effect. The steel wire grid is suitable for intercepting small falling rocks.
The angle between the steel column and the ground is 100-120 degrees so as to offset the impact load of the vehicle. In addition, the top end of the steel column is higher than the top end of the lattice beam so as to prevent falling rocks from invading the highway construction limit.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of a wire mesh according to the present utility model.
The reference numerals have the following meanings: 1. longitudinal anti-slide piles; 2. a grid beam; 3. a landslide body; 4. pulling up the anchor rope; 5. a mortar anchor rod; 6. a bedrock; 7. a reinforcement cage; 8. a transverse anti-slide pile; 9. a steel bar anchor rod; 10. a drainage ditch; 11. a base; 12. a steel column; 13. a steel wire mesh; 14. pulling up the anchor rope; 15. a pressure reducing ring; 16. road surface of the driving; 17. an upper support rope; 18. reinforcing the anchor rope; 19. a lower support rope; 20. wire grid.
Detailed Description
The utility model is further described below with reference to the drawings and the detailed description.
As shown in fig. 1-2, the rigid and flexible protection facility for the highway side slope guardrail comprises a longitudinal anti-slide pile 1 which is arranged close to a slide body 3, wherein a sash beam 2 is arranged on the slide body 3, the bottom end of the sash beam 2 is flush with the top of the longitudinal anti-slide pile 1, a mortar anchor rod 5 is obliquely arranged on the upper part of the longitudinal anti-slide pile 1, and the angle between the mortar anchor rod 5 and the horizontal plane is 30-45 degrees.
One end of the mortar anchor rod 5 penetrates into the bedrock 6 after penetrating through the landslide body 3, the other end of the mortar anchor rod 5 is connected with a pull-up anchor rope 14, a decompression ring 15 is arranged on the upper portion of the pull-up anchor rope 14, the pull-up anchor rope 14 is connected with the top end of the steel column 12, a base 11 is hinged to the bottom of the steel column 12, the base 11 and the transverse slide-resistant pile 8 are connected with the transverse slide-resistant pile 8 through the steel anchor rod 9, the transverse slide-resistant pile 8 is arranged on one side of the longitudinal slide-resistant pile 1, the transverse slide-resistant pile 8 and the longitudinal slide-resistant pile 1 are of an integral structure, a steel wire mesh 13 is further arranged between the top and the bottom of the steel column 12 in a drawed mode, a steel wire grating 20 is further arranged between the steel wire mesh 13 and the steel column 12, an upper supporting rope 17 is connected to the top of the steel wire mesh 13, a lower supporting rope 19 is arranged at the bottom of the steel wire mesh 13, and reinforcing anchor ropes 18 are symmetrically arranged at intervals between the lower supporting rope 19 and the top of the steel column 12.
The longitudinal anti-slide pile 1 and the transverse anti-slide pile 8 are anti-slide piles with rectangular cross sections of 1.0m multiplied by 1.0m, the pile body length is calculated according to the conditions of a side slope and bedrock, the pile length is 15m, the pile body is buried 3.0m below a bearing layer, and the anti-slide piles are formed by pouring steel reinforcement cages of phi 32 steel bars and stirrups and C40 concrete materials and adding the steel reinforcement cages 7.
The mortar anchor rod 5 is required to be applied while the anti-slide pile is constructed, the drilling is directly 130mm, 6 phi 12 steel bars are distributed, the length is selected to be 15m for traversing the landslide body 3 to the position 2.0m-3.0m below the bedrock 6, the angle is controlled to be 30-45 degrees as much as possible, and finally the cement mortar is poured into the mortar, so that the mortar anchor rod is fully combined with the bedrock 6, the landslide body 3 and the anti-slide pile, and an active anchoring effect is provided.
The lattice beam 2 of the utility model adopts C25 concrete pouring, the cross section is square 0.3m multiplied by 0.3m, the whole lattice beam is arranged according to rectangle, the transverse spacing is 2.0m, and the longitudinal spacing is 3.0m according to the slope gradient of 1:1.5.
One side of the transverse slide pile 8 of the present utility model is a drain 10. The angle between the steel column 12 and the ground is 100-120 degrees, and the top end of the steel column 12 is higher than the top end of the Yu Kuangge beam 2. The vertical projection point at the outermost side of the top of the steel column 12 must not exceed the inner side of the road drainage ditch 10, and is preferably deviated to the outer side of the drainage ditch 10 under the condition of permission; the top horizontal line of the steel column 12 exceeds the topmost end of the side slope grid beam 2.
The steel wire mesh of the present utility model determines its specific model and mesh number according to the maximum value of the both sides interception impact energy as shown in table 1.
Note that: the number at the back of the model in the table represents the energy absorption capacity of the passive protection network, for example, "050" represents that the maximum energy absorption capacity of the system is 500kJ, "150" represents that the maximum energy absorption capacity of the system is 1500 kJ, and so on.
In this embodiment, according to the actual situation, the maximum impact energy of the falling rocks of the side slope is between 1200kJ and 1500kJ, and the maximum energy generated by the collision of the automobile is between 1000kJ and 1200kJ, so that the maximum energy of the falling rocks of the side slope is 1500kJ is selected as a design parameter, and the two-way protection facilities (nets) of the model RXI-150 and the net number D12/3/300 are selected, and form a set of protection facilities of rigid-flexible combination of the side slope-guardrail of the expressway together with the protection facilities for preventing the side slope from sliding by the anti-slide piles, the mortar anchor rods 5 and the frame beams 2.
Claims (10)
1. The utility model provides a rigid and flexible protection facility of highway side slope guardrail, is close to longitudinal slide-resistant stake (1) that landslide body (3) set up, characterized by: the sliding pile is characterized in that a sash beam (2) is arranged on the sliding body (3), the bottom end of the sash beam (2) is flush with the top of the longitudinal anti-slide pile (1), a mortar anchor rod (5) is obliquely arranged on the upper portion of the longitudinal anti-slide pile (1), one end of the mortar anchor rod (5) penetrates into a bedrock (6) after penetrating through the sliding body (3), the other end of the mortar anchor rod (5) is connected with a pull-up anchor rope (14), the pull-up anchor rope (14) is connected with a steel column (12), the bottom of the steel column (12) is connected with a transverse anti-slide pile (8), the transverse anti-slide pile (8) is arranged on one side of the longitudinal anti-slide pile (1), and a steel wire mesh (13) is further arranged between the top and the bottom of the steel column (12).
2. The highway side slope fence rigid-flexible protection device according to claim 1, characterized in that: the top of wire net (13) is connected with and goes up supporting rope (17), and lower supporting rope (19) have been arranged to the bottom of wire net (13), and reinforcing anchor rope (18) have been arranged to interval symmetry between lower supporting rope (19) and steel column (12) top.
3. The highway side slope fence rigid-flexible protection device according to claim 2, characterized in that: the bottom of the steel column (12) is hinged with a base (11), and the base (11) is connected with the transverse slide-resistant pile (8) through a steel bar anchor rod (9).
4. A highway side slope guardrail rigid-flexible protection facility according to claim 3, characterized in that: the upper part of the pull-up anchor rope (14) is provided with a decompression ring (15).
5. The highway side slope fence rigid-flexible protection device according to claim 1, characterized in that: the angle between the steel column (12) and the ground is 100-120 degrees.
6. The highway side slope fence rigid-flexible protection device according to claim 1, characterized in that: the top end of the steel column (12) is higher than the top end of the Yu Kuangge beam (2).
7. The highway side slope fence rigid-flexible protection device according to claim 1, characterized in that: the angle between the mortar anchor rod (5) and the horizontal plane is 30-45 degrees.
8. The highway side slope fence rigid-flexible protection device according to claim 1, characterized in that: a steel wire grid (20) is further arranged between the steel wire mesh (13) and the steel column (12).
9. The highway side slope fence rigid-flexible protection device according to claim 4, wherein: one side of the transverse anti-slide pile (8) is provided with a drainage ditch (10).
10. The highway side slope fence rigid-flexible protection device according to claim 1, characterized in that: the longitudinal anti-slide piles (1) and the transverse anti-slide piles (8) are composed of C40 concrete and a steel reinforcement cage (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322545056.2U CN220813581U (en) | 2023-09-19 | 2023-09-19 | Rigid and flexible protection facility for highway side slope guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322545056.2U CN220813581U (en) | 2023-09-19 | 2023-09-19 | Rigid and flexible protection facility for highway side slope guardrail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220813581U true CN220813581U (en) | 2024-04-19 |
Family
ID=90700928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322545056.2U Active CN220813581U (en) | 2023-09-19 | 2023-09-19 | Rigid and flexible protection facility for highway side slope guardrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220813581U (en) |
-
2023
- 2023-09-19 CN CN202322545056.2U patent/CN220813581U/en active Active
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