CN103437255B - A kind of mountain area arterial highway " T "-intersection Design of Traffic Safety method - Google Patents
A kind of mountain area arterial highway " T "-intersection Design of Traffic Safety method Download PDFInfo
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Abstract
The present invention relates to a kind of mountain area arterial highway " T "-intersection Design of Traffic Safety method, turn to the collision energy of vehicle according to intersection trackside, carry out the division of trackside degree of protection, and corresponding new concrete guard bar structure is set; Guardrail is made up of herringbone bumping post and the short basis of independent concrete, by adjustment herringbone bumping post spacing, size, the embedding roadbed degree of depth to meet the different degree of protection of intersection trackside, reaches the object of protection intersection turning vehicle; The angle of herringbone bumping post and track edge line is set to 5 ~ 15 °, to increase the pretective acreage to turning to vehicle.Bumping post skin puts pvc pipe, and bumping post and the short basis of concrete all arrange reflex reflection object marking line red and white, to increase intersection visibility; Started to arrange 3 ~ 4 groups of vibration deceleration strips from 3 ~ 6m place, intersection by cross-channel; Within the scope of all directions 30 ~ 50m of intersection, trackside sets up vibration sideline.This method is suitable for mountain area non-mandrel roller " T "-intersection, and wherein arterial road are secondary or Class I highway.
Description
Technical field
The present invention relates to a kind of mountain area arterial highway " T "-intersection Design of Traffic Safety method, adopt this method for designing to ensure the traffic safety of mountain area arterial highway " T "-intersection.
Background technology
Mountain area arterial highway intersection traffic properties of flow is complicated, and traffic safety facilities lacks, and is traffic accident Multiple trauma.For the arterial highway of mountain area, traffic flow is overall little, therefore non-mandrel roller intersection mostly is, research shows that the accident rate sum of two " T "-intersections is about 43% of a decussation mouth, by the reconstruction of decussation mouth for " T "-intersection is one of ameliorative way without signal-control crossing, therefore " T "-intersection is the most general intersection, mountain area design form.Arterial highway " T "-intersection traffic accident multiple main cause in mountain area comprises: 1) main line road quality classification is high, the speed of a motor vehicle fast, and position, intersection and form are not easily found by driver; 2) fast by the cross-channel speed of a motor vehicle, lack traffic safety consciousness (lacking the consciousness of giving way) local driver, to be come in and gone out fast main line by cross-channel traffic flow, very big interference is caused to main line traffic; 3) trackside protection is poor, limits by economy and natural conditions, arranges high-grade protection (as corrugated beam barrier) high cost completely, the general masonry structure adopting protective capacities poor; 4) risk factor that in addition, right of way is failed to understand, sighting distance deficiency, safety device shortage, canalized design imperfection etc. are all traffic accident.
Existing mountain area arterial highway " T "-intersection control speed, induction, trackside protective equipment arrange deficiency.Existing mountain area " T "-intersection Crash characteristics is mainly and hits fixture and run-off-road, cause of accident is hypervelocity and driver's negligence, its road reason is that crossing safety facility arranges deficiency, is difficult to reach display position, intersection, form and rationally control the function of speed, trackside protection.The safety device of position, intersection and form display aspect mainly comprise chevron alignment sign, protuberant guide post, delineator etc., and consider the problem of construction cost and maintaining, most " T "-intersection lacks this type of safety device.
The extensive use of parablepsia feel control speed and vibration deceleration facilities.Vibration deceleration facilities has been the technology of a comparative maturity in the U.S., Japan and the developed country such as European, applies widely.Road forced controlling speed facility technology in recent years at home industry achieve very large approval, a lot of local highway administrative department and maintenance unit impact larger highway accident multi-happening section use forced deceleration measure to carry out compulsory speed of a motor vehicle control in a large number.At present at home, external extensive adopted highway forced deceleration facility mainly contains: thermoplastic vibration speed reduction marking, railway spike deceleration strip, hump formula deceleration strip, cement platform deceleration strip etc.
Reflecting material and technology reach its maturity.In the last few years, the application of the reflecting materials such as reflective membrane, reflecting piece, reflectorised paint was more and more extensive, and cost is more and more lower, and this is just for mountain area arterial highway " T "-intersection adopts reflecting material to tamp basis.The maximum feature of reflex reflection technology is the light making full use of front lamp of vehicle, by the surface texture of reflecting material, for driver's perception, thus improve the safe sight distance of driver, optimize roadside means of transportation depending on recognizing effect, allow driver obtain more reflecting time, more comfortable driving experience, and judge road conditions and acquisition indication information in time, to take correct safety measure in time, the generation avoided traffic accident.It is the subjective initiative transferring people with physical means, and improving driving safety, is a kind of low cost road safety solution of energy-conserving and environment-protective.
Road surface deceleration facilities is often paid close attention to, as thin layer is mated formation, vibrated deceleration, visual illusion deceleration etc. during domestic existing mountain area arterial highway safety device are arranged.And general high-grade highway due to the traffic volume large, design speed is high, and there is current priority, as adopted vibration deceleration strip, then there is certain interference to main line speed of a motor vehicle uniformity and road-ability, and easily cause Vehicular vibration, jumping car, unfavorable to vehicle operating efficiency, domestic generally not being recommended in arterial road arranges vibration deceleration strip, and therefore arterial road should adopt initiatively induction to protect with trackside the Design of Traffic Safety strategy combined.
In addition because mountain highway trackside road alignment is poor, vehicle is easier to run off road, and cause the dead group's wound of group, therefore trackside is more needed to protect, to stop that vehicle runs off road, simultaneously because economic natural conditions limit, generally adopt the corrugated beam barrier based on steel work unrealistic at present, cost is high, and maintenance is difficulty comparatively, adopts the low cost safeguard structure based on concrete, stone-laying.
Summary of the invention
The technical problem to be solved in the present invention is:
The present invention is directed to the arterial highway " T "-intersection safety device design of existing mountain area unreasonable, hypervelocity is general, position, intersection and form are difficult to by driver's Timeliness coverage, hit fixture, cross the feature of Frequent Accidents outside road, a kind of mountain area arterial highway " T "-intersection Design of Traffic Safety method is provided.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of mountain area arterial highway " T "-intersection Design of Traffic Safety method, arterial road and by cross-channel cross knot synthesis T-shaped; It is characterized in that:
Be divided into three grades according to " T "-intersection trackside turning vehicle collision energy large young pathbreaker's trackside degree of danger, then the anticollision barrier of different protective capacities is set respectively according to degree of danger; Anticollision barrier forms new concrete anticollision barrier by the short basis of independent concrete of the herringbone bumping post vertically arranged and bottom, and herringbone bumping post arranges 5 ° ~ 15 °, inclination angle relative to track edge line; By adjustment herringbone bumping post spacing, size, the embedding roadbed degree of depth to meet the different degree of protection of intersection trackside, reach the object of protection intersection turning vehicle; Herringbone bumping post is reinforced concrete structure, and bumping post skin puts pvc pipe, and bumping post and the short basis of concrete all arrange reflex reflection object marking line red and white, to increase intersection visibility; Started to arrange many group vibration deceleration strips from 3 ~ 6m place, intersection by cross-channel; Within the scope of all directions 30 ~ 50m of intersection, trackside sets up vibration sideline.
By technique scheme, herringbone bumping post protective capacities is divided into I type, II type and III type from big to small, successively decreases, anchors into the degree of depth and to successively decrease and guardrail spacing increases progressively according to herringbone bumping post height; Between herringbone bumping post two supports, angle is 45 ~ 60 °; I type herringbone bumping post post is high is 1.5 ~ 1.8m, and diameter is 15 ~ 17.5cm, inserts below the short basis of concrete 30 ~ 35cm; II type herringbone bumping post post is high is 1.2 ~ 1.5m, and bumping post diameter is 12.5 ~ 15cm, inserts below the short basis of concrete 25 ~ 30cm; III type herringbone bumping post post is high is 0.8 ~ 1.2m, and diameter is 10 ~ 12.5cm, inserts below the short basis of concrete 20 ~ 25cm; The node of each herringbone bumping post top cylinder and bottom bracing structure is overhead highly 0.6 ~ 0.75m.
By technique scheme, set up vibration sideline along arterial road with by each trackside of cross-channel two-way within the scope of all directions 30 ~ 50m of intersection, vibration sideline and herringbone bumping post form trackside involuntary speed reduction guard system jointly.
By technique scheme, herringbone bumping post and independent concrete short basis instrument reflex reflection slanted bar line object marking line, stripe direction with turn to vehicle forward direction consistent; Herringbone bumping post adopts high-strength reflecting film, and the short basis of independent concrete adopts engineering grade reflective membrane.
By technique scheme, by cross-channel apart from intersection or Stop and give way that line 3 ~ 6m place starts arranges 3 ~ 4 roads vibration deceleration strips, deceleration strip width 0.3 ~ 0.5m, vibration deceleration strip adopts local rubble to be embedded in cement board and makes.
By technique scheme, the short basis of independent concrete is the basis of herringbone bumping post, and foundation structure is sheet stone concrete, and the short basic plane of concrete is trapezoidal and plane is placed, side wherein in road is trapezoidal longer base, and the outside away from road is trapezoidal shorter base; Trapezoidal longer bottom side length is 1.5m ~ 2.0m, and shorter base is that outside road, length is 0.75 ~ 1.0m; The width on the short basis of independent concrete is 0.6 ~ 0.8m; The short basis of independent concrete is placed in road surface with lower part for 10 ~ 15cm, exposes road surface with upper part for 20 ~ 25cm.
By technique scheme, during installation, the short basis of independent concrete be first installed and insert pvc pipe, reproducing and water installation I type herringbone bumping post, II type herringbone bumping post, III type herringbone bumping post;
Then, by installation road surface, cross-channel road surface oscillation crosswise deceleration strip, and execute picture Stop and give way graticule;
Finally, outside sideline, all directions 30 ~ 50m scope expert track, intersection, picture extensional vibration sideline is executed.
By technique scheme, this method is suitable for mountain area non-mandrel roller " T "-intersection, and wherein arterial road are secondary or Class I highway.
Relative to prior art, beneficial effect of the present invention is as follows:
1) respectively herringbone bumping post and the short basis of concrete are set to trackside in intersection, increase reflecting material, sailing in the process of intersection, reflex reflection information will sharply increase simultaneously, be conducive to driver accurately depending on recognizing position, intersection and form, and remind the vehicle entering intersection to slow down ahead of time.
2) herringbone bumping post and the short basis of independent concrete form new concrete guardrail, and block highly low than traditional slabstone concrete guardrail, transparent performance is good, stronger than concrete column, the crashproof ability of slabstone concrete guardrail.Short basic ladder plane contributes to increasing the snap-in force with road structure simultaneously, to increase resistant slide, the resistance to capsizing on basis.
3) arranged multiple tracks vibration deceleration strip by cross-channel, its visual perception in conjunction with herringbone bumping post slows down, and contributes to ensureing vehicle on crossroad emergency before Stop and give way line.
4) within the scope of all directions 30 ~ 50m of intersection, set up vibration sideline, contribute to jointly forming trackside fender system with herringbone bumping post.
5) this method considers visual perception control speed and vibration perception control speed, improves the speed perception of driver from active and passive safety two aspect comprehensively, is a kind of typical Human Engineering ameliorative way, easily for driver understands execution.
6) this method adopts reflectorized material and the vibration deceleration strip of low cost, does not relate to extensive road infrastructure, small investment, easily construction (can gather materials on the spot), easy care, not easily stolen, can guarantee the safety driven a vehicle in arterial highway intersection, mountain area and comfortableness.
Accompanying drawing explanation
Fig. 1: " T "-intersection trackside degree of danger classification schematic diagram;
Fig. 2: " T "-intersection safety device design plane schematic diagram;
Fig. 3: three-type-person's font bumping post arranges schematic diagram;
Fig. 4: herringbone bumping post lateral layout figure;
Fig. 5: herringbone bumping post is arranged on, and the short basis of independent concrete overlooks installation site figure;
In figure: 1-I type herringbone bumping post; 2-II type herringbone bumping post; 3-III type herringbone bumping post; The short basis of 4-independence concrete; 5-road surface oscillation crosswise deceleration strip; 6-vibrates sideline; 7-Stop and give way graticule; 8-herringbone bumping post top cylinder; 9-herringbone bumping post lower support.
Detailed description of the invention
As Figure 1-5, the present invention is directed to the arterial highway " T "-intersection safety device design of existing mountain area unreasonable, hypervelocity is general, position, intersection and form are difficult to by driver's Timeliness coverage, hit fixture, cross the feature of Frequent Accidents outside road, consider mountain area arterial highway traffic stream characteristics, in conjunction with the method utilizing initiatively induction with passive protection, build low cost mountain area arterial highway " T "-intersection multilevel security protection system.First be divided into three grades according to trackside turning vehicle collision energy large young pathbreaker's trackside degree of danger, then the guardrail of different protective capacities is set respectively.Arterial road wagon flow before entering intersection, the position, reflex reflection information Timeliness coverage intersection provided by the short basis of independent concrete and herringbone bumping post etc. and form, so as pre-decelerating, lane change; By cross-channel wagon flow then before entering intersection, by position, guardrail reflex reflection information Timeliness coverage intersection, form and main line wagon flow, and carry out forced deceleration by vibration deceleration strip, to guarantee emergency before Stop and give way line; After arterial road, vehicle on crossroad roll track edge line away from, reached by the vibration sideline of trackside, herringbone bumping post and stop that vehicle runs off road, reduce the object of driver and vehicle damage.
As shown in Figure 1, first three grades are divided into according to trackside turning vehicle collision energy large young pathbreaker's trackside degree of danger, the linear positive correlation of square product of collision energy and vehicle collision angle and the speed of a motor vehicle, setting and the intersection trackside degree of danger classification of anticollision barrier are consistent.By adjustment herringbone bumping post spacing, size, the embedding roadbed degree of depth to meet the different degree of protection of intersection trackside, reach the object of protection intersection turning vehicle.
Anticollision barrier forms new concrete guardrail by herringbone bumping post and the short basis of independent concrete, primary protection intersection turning vehicle, the short basic plane of concrete is trapezoidal, and the side wherein in road is longer base, and the outside away from road is shorter base.
According to guardrail protective capacities regulation in " expressway traffic safety facilities design specifications DB33/704-2008 ", vehicle collision ENERGY E calculates according to following formula:
Wherein: E represents collision energy; M represents vehicle mass; V represents car speed; θ represents impingement angle.Wherein for the low limit value 60km/h of the desirable Class I highway of the desirable speed of arterial road in text, by the desirable 40km/h of cross-channel.
Run off road for intersection guardrail primary protection intersection turning vehicle, intersection trackside degree of protection is divided into three grades by the collision energy according to turning vehicle and intersection trackside.Concrete classification: turning (horizontal curve and extended line on) be divided into I level, II grade and III grade, arterial road (just to intersection) are divided into II grade and III grade, concrete classification situation and according to as table 1.
Table 1 intersection trackside degree of protection divides
Note: calculating and set collision speed of vehicle though as 1, is 1 by the cross-channel turning speed of a motor vehicle, then the arterial road turning speed of a motor vehicle adopts the sampling factor of 1.5, then acquired results is collision energy coefficient.
Specify according to " expressway traffic safety facilities design specifications DB33/704-2008 ", highway barrier crashing vehicle collision angle is no more than 20 °, therefore for being 20 ° by cross-channel sailing the minimum protection angle that intersection vehicles (can bump against with guardrail on main line) arranges into; Sail intersection vehicles (can bump against with guardrail on horizontal curve and extended line) into for main road, because the speed of a motor vehicle is higher, trackside degree of protection is higher, therefore calculates the sampling factor of employing 2.25 according to collision energy.Intersection trackside degree of protection size is I level > II grade of > III grade, refers to table 1, Fig. 1.Collision angle scopes different corresponding to every one-level degree of protection, corresponding guardrail body height and guardrail braced structures anchor into the degree of depth difference to some extent of below concrete foundation simultaneously, with consistent with the crashproof ability of trackside.
As Figure 1-3, anticollision barrier protective capacities can be divided into I type, II type and III type from big to small, successively decreases, anchors into the degree of depth and to successively decrease and guardrail spacing increases progressively according to herringbone bumping post height.Specifically as shown in Figure 2, in arterial road straight flange side, just I type is arranged to the position of intersection, then II type is set in I type bilateral symmetry, extended III type outside II type; Arterial road and the curved areas formed by cross-channel; Radian maximum arranges I type, then arranges II type in I type bilateral symmetry, extended III type outside II type.As Fig. 4, between herringbone bumping post two supports, angle is 45 ~ 60 °.As shown in Figure 5, bumping post arranges 5 ° ~ 15 °, inclination angle relative to track edge line, to increase itself and the angle turning to vehicle forward direction, improves pretective acreage.
In the present invention, bumping post structure is reinforced concrete structure, and I type herringbone bumping post post is high is 1.5 ~ 1.8m, and diameter is 15 ~ 17.5cm, inserts below concrete foundation 30 ~ 35cm; II type herringbone bumping post post is high is 1.2 ~ 1.5m, and bumping post diameter is 12.5 ~ 15cm, inserts below concrete foundation 25 ~ 30cm; III type herringbone bumping post post is high is 0.8 ~ 1.2m, and diameter is 10 ~ 12.5cm, inserts below concrete foundation 20 ~ 25cm.The node of herringbone bumping post top cylinder and bottom bracing structure is overhead highly 0.6 ~ 0.75m.Spacing between I type herringbone bumping post is the distance at 3m(adjacent pillars center), the spacing between II type and II type or I type bumping post is 4m, and the spacing between III type and III type or II type herringbone bumping post is 5m.
In the present invention, the short basis of independent concrete is the basis of herringbone bumping post, foundation structure is sheet stone concrete, and basic plane is trapezoidal, longer base is inside road, long is 1.5m ~ 2.0m, shorter base is that outside road, length is 0.75 ~ 1.0m, and foundation width is 0.6 ~ 0.8m, and the short basis of independent concrete is placed in road surface with lower part for 10 ~ 15cm, expose road surface with upper part for 20 ~ 25cm.
In the present invention, by on cross-channel apart from intersection or Stop and give way that line 3 ~ 6m place starts arranges 3 ~ 4 roads vibration deceleration strips, deceleration strip width 0.3 ~ 0.5m, spacing is 4m, the visual perception of its forced deceleration and herringbone bumping post slows down and combines, object is support vehicles emergency before Stop and give way line, is reduce cost, and vibration deceleration strip can adopt local rubble to be embedded in cement board and make.
In the present invention, within the scope of all directions 30 ~ 50m of intersection, trackside sets up vibration sideline (arterial road take large values, and are got the small value by cross-channel), jointly forms trackside involuntary speed reduction guard system with herringbone bumping post.For the vehicle passing through trackside sideline because of hypervelocity, utilize trackside vibrating alert and herringbone bumping post, with dissipation energy, reduce the injury to vehicle and driver, and can come to normal road.Consider the randomness of pilot control behavior and the decline of vehicle performance, the vehicle that a small amount of speed of a motor vehicle is too fast, vibration sideline will be crossed, even knock guardrail.
In method of the present invention, herringbone bumping post and independent concrete short basis instrument reflex reflection slanted bar line, stripe direction with turn to vehicle forward direction consistent, live width spacing is 15cm, inclination angle is 60 °, herringbone bumping post, adopts high-strength reflecting film, and the short basis of independent concrete adopts engineering grade reflective membrane; Herringbone bumping post is reinforced concrete structure, its skin puts pvc pipe, and to increase reflex reflection effect at night, bumping post has initiatively induction and passive protection function concurrently, it is crashproof that herringbone structure contributes to reinforcement, and reflex reflection inclination striped then contributes to vision induction and visual illusion control speed.Guardrail is mainly and turns to vehicle to provide inducing function.
Thus, the present invention adopts multiple tracks protection system to ensure the traffic safety of mountain area arterial highway " T "-intersection.On arterial road, by the inducing function on herringbone bumping post and the short basis of independent concrete, trackside vibration sideline vibration warning function, the collision prevention function on herringbone bumping post and the short basis of independent concrete builds to induce, crashproof be auxiliary main road protection system; By on cross-channel, then by the forced deceleration function of vibration deceleration strip, the induction on herringbone bumping post and the short basis of independent concrete and collision prevention function, it is auxiliary by cross-channel protection system that the vibration sideline of trackside builds to control fast, crashproof induction.
During Specific construction, 1) first remove the continuous obstruction in sight distance of intersection triangle, independent concrete is installed short by basic 4, and inserts pvc pipe, reproduce and water installation I type herringbone bumping post 1, II type herringbone bumping post 2, III type herringbone bumping post 3; 2) by installation road surface, cross-channel road surface oscillation crosswise deceleration strip 5, and picture is executed Stop and give way graticule 7; 3) outside sideline, all directions 30 ~ 50m scope expert track, intersection, picture extensional vibration sideline 6 is executed.
Multiple tracks protection system where applicable of the present invention should be noted following item:
1) be suitable for mountain area non-mandrel roller " T "-intersection, wherein arterial road are secondary and above standard highway, are secondary and following standard highway by cross-channel, and the T-shaped intersection that arterial road Turning movement is less.
2) arterial road, needed to arrange corresponding mark by cross-channel: intersection priority flag, intersection advance notice, warning mark.
3) if crossing is on larger longitudinal gradient or bad visibility section, then People's Bank of China's bumping post then suitably should increase height, to play the function to the good sight line inducing in intersection.
4) in this method, reflecting material safety device should be noted maintenance, safeguard, when its reflection coefficient is reduced to more than 70% of design value, should note changing reflective membrane.
5) in this method, herringbone bumping post should be specifically noted that and makes regular check on maintenance, changes the bumping post damaged in time.
Relative to prior art, beneficial effect of the present invention is as follows:
1) respectively herringbone bumping post and the short basis of concrete are set to trackside in intersection, increase reflecting material, sailing in the process of intersection, reflex reflection information will sharply increase simultaneously, be conducive to driver accurately depending on recognizing position, intersection and form, and remind the vehicle entering intersection to slow down ahead of time.
2) herringbone bumping post and the short basis of independent concrete form new concrete guardrail, and block highly low than traditional slabstone concrete guardrail, transparent performance is good, stronger than concrete column, the crashproof ability of slabstone concrete guardrail.Short basic ladder plane contributes to increasing the snap-in force with road structure simultaneously, to increase resistant slide, the resistance to capsizing on basis.
3) arranged multiple tracks vibration deceleration strip by cross-channel, its visual perception in conjunction with herringbone bumping post slows down, and contributes to ensureing vehicle on crossroad emergency before Stop and give way line.
4) within the scope of all directions 30 ~ 50m of intersection, set up vibration sideline, contribute to jointly forming trackside fender system with herringbone bumping post.
5) this method considers visual perception control speed and vibration perception control speed, improves the speed perception of driver from active and passive safety two aspect comprehensively, is a kind of typical Human Engineering ameliorative way, easily for driver understands execution.
6) this method adopts reflectorized material and the vibration deceleration strip of low cost, does not relate to extensive road infrastructure, small investment, easily construction (can gather materials on the spot), easy care, not easily stolen, can guarantee the safety driven a vehicle in arterial highway intersection, mountain area and comfortableness.
Claims (8)
1. a mountain area arterial highway " T "-intersection Design of Traffic Safety method, arterial road and by cross-channel cross knot synthesis T-shaped; It is characterized in that:
Be divided into three grades according to " T "-intersection trackside turning vehicle collision energy large young pathbreaker's trackside degree of danger, then the anticollision barrier of different protective capacities is set respectively according to degree of danger; Anticollision barrier is the concrete anti-collision guard bar be made up of the short basis of independent concrete of the herringbone bumping post vertically arranged and bottom, and herringbone bumping post arranges 5 ° ~ 15 °, inclination angle relative to track edge line; By adjustment herringbone bumping post spacing, size, the embedding roadbed degree of depth to meet the different degree of protection of intersection trackside, reach the object of protection intersection turning vehicle; Herringbone bumping post is reinforced concrete structure, and bumping post skin puts pvc pipe, and bumping post and the short basis of concrete all arrange reflex reflection object marking line red and white, to increase intersection visibility; Started to arrange many group vibration deceleration strips from 3 ~ 6m place, intersection by cross-channel; Within the scope of all directions 30 ~ 50m of intersection, trackside sets up vibration sideline.
2. a kind of mountain area arterial highway " T "-intersection Design of Traffic Safety method according to claim 1, it is characterized in that: herringbone bumping post protective capacities is divided into I type, II type and III type from big to small, successively decrease according to herringbone bumping post height, anchor into the degree of depth and to successively decrease and guardrail spacing increases progressively; Between herringbone bumping post two supports, angle is 45 ~ 60 °; I type herringbone bumping post post is high is 1.5 ~ 1.8m, and diameter is 15 ~ 17.5cm, inserts below the short basis of concrete 30 ~ 35cm; II type herringbone bumping post post is high is 1.2 ~ 1.5m, and bumping post diameter is 12.5 ~ 15cm, inserts below the short basis of concrete 25 ~ 30cm; III type herringbone bumping post post is high is 0.8 ~ 1.2m, and diameter is 10 ~ 12.5cm, inserts below the short basis of concrete 20 ~ 25cm; The node of each herringbone bumping post top cylinder and bottom bracing structure is overhead highly 0.6 ~ 0.75m.
3. a kind of mountain area arterial highway " T "-intersection Design of Traffic Safety method according to claim 2, it is characterized in that: set up vibration sideline along arterial road with by each trackside of cross-channel two-way within the scope of all directions 30 ~ 50m of intersection, vibration sideline and herringbone bumping post form trackside involuntary speed reduction guard system jointly.
4. according to a kind of mountain area arterial highway " T "-intersection Design of Traffic Safety method one of claim 1-3 Suo Shu, it is characterized in that: herringbone bumping post and independent concrete short basis instrument reflex reflection slanted bar line object marking line, stripe direction with turn to vehicle forward direction consistent; Herringbone bumping post adopts high-strength reflecting film, and the short basis of independent concrete adopts engineering grade reflective membrane.
5. a kind of mountain area according to claim 4 arterial highway " T "-intersection Design of Traffic Safety method, it is characterized in that: by cross-channel apart from intersection or Stop and give way that line 3 ~ 6m place starts arranges 3 ~ 4 roads vibration deceleration strips, deceleration strip width 0.3 ~ 0.5m, vibration deceleration strip adopts local rubble to be embedded in cement board and makes.
6. a kind of mountain area according to claim 1 arterial highway " T "-intersection Design of Traffic Safety method, it is characterized in that: the short basis of independent concrete is the basis of herringbone bumping post, foundation structure is sheet stone concrete, the short basic plane of concrete is trapezoidal and plane is placed, side wherein in road is trapezoidal longer base, and the outside away from road is trapezoidal shorter base; Trapezoidal longer bottom side length is 1.5m ~ 2.0m, and shorter bottom side length is 0.75 ~ 1.0m; The width on the short basis of independent concrete is 0.6 ~ 0.8m; The short basis of independent concrete is placed in road surface with lower part for 10 ~ 15cm, exposes road surface with upper part for 20 ~ 25cm.
7. a kind of mountain area according to claim 2 arterial highway " T "-intersection Design of Traffic Safety method, it is characterized in that: during installation, the short basis of independent concrete be first installed and insert pvc pipe, reproducing and water installation I type herringbone bumping post, II type herringbone bumping post, III type herringbone bumping post;
Then, by installation road surface, cross-channel road surface oscillation crosswise deceleration strip, and execute picture Stop and give way graticule;
Finally, outside sideline, all directions 30 ~ 50m scope expert track, intersection, picture extensional vibration sideline is executed.
8. a kind of mountain area according to claim 1 arterial highway " T "-intersection Design of Traffic Safety method, it is characterized in that: this method is suitable for mountain area non-mandrel roller " T "-intersection, wherein arterial road are secondary or Class I highway.
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| CN111733713A (en) * | 2020-05-29 | 2020-10-02 | 武汉理工大学 | Safety traffic island in road based on danger level division |
| CN111877205A (en) * | 2020-07-17 | 2020-11-03 | 武汉理工大学 | Asymmetric column type induction system for intersection |
| TWI797847B (en) * | 2021-11-24 | 2023-04-01 | 財團法人工業技術研究院 | Message transmission system and method for roadside equipment |
| CN114481895B (en) * | 2022-03-11 | 2023-03-31 | 武汉理工大学 | Strong-background-light T-shaped intersection sight line induction system |
| CN115273549B (en) * | 2022-07-29 | 2023-10-31 | 山东高速集团有限公司 | Expressway diversion area anti-collision method based on roadside laser radar |
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| CN103225245A (en) * | 2013-05-06 | 2013-07-31 | 武汉理工大学 | Retro-reflection based arterial highway non-control intersection night-driving safety facility design method |
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| US20050008432A1 (en) * | 2002-11-19 | 2005-01-13 | Lindsey William J. | Simplified "T" interchange designs for a "T" intersection of a divided expressway or freeway with a two lane highway |
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| CN102587237A (en) * | 2012-03-30 | 2012-07-18 | 天津市市政工程设计研究院 | Right-turning lane design method by considering turning characteristic of large vehicle |
| CN102622876A (en) * | 2012-03-30 | 2012-08-01 | 天津港(集团)有限公司 | Method for optimal design and dynamic operation management of special gates of passenger cars and trucks at harbor entrances and harbor exits |
| CN102720148A (en) * | 2012-06-29 | 2012-10-10 | 武汉理工大学 | Low-cost mountainous-area expressway tunnel entrance vehicle speed control facility designing method |
| CN103225245A (en) * | 2013-05-06 | 2013-07-31 | 武汉理工大学 | Retro-reflection based arterial highway non-control intersection night-driving safety facility design method |
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