CN108959703A - A kind of Impacts Evaluation of Urban Tunnel three-dimensional stopping sight distance Method for Checking - Google Patents
A kind of Impacts Evaluation of Urban Tunnel three-dimensional stopping sight distance Method for Checking Download PDFInfo
- Publication number
- CN108959703A CN108959703A CN201810523115.7A CN201810523115A CN108959703A CN 108959703 A CN108959703 A CN 108959703A CN 201810523115 A CN201810523115 A CN 201810523115A CN 108959703 A CN108959703 A CN 108959703A
- Authority
- CN
- China
- Prior art keywords
- distance
- line
- sight
- checking
- dimensional
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/005—General purpose rendering architectures
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Evolutionary Computation (AREA)
- Geometry (AREA)
- General Engineering & Computer Science (AREA)
- Computer Graphics (AREA)
- Processing Or Creating Images (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
Present invention relates particularly to one kind to be used for Impacts Evaluation of Urban Tunnel three-dimensional stopping sight distance Method for Checking, it is characterised in that the method includes the determination of viewpoint and object space, the drafting of sight and section envelope, the generation of final sighting distance enveloping surface and whether meets line-of-sight requirement judgement.It is an advantage of the invention that the space angle combined from road three-dimensional linear, close to actual conditions, the requirement of stopping sight distance whether can be met by convenient and fast method fast verification road, to play a significant role to verifying and optimization design, simple possible is suitble to practical application.
Description
Technical field
The present invention relates to road engineering technologies, and in particular to a kind of Impacts Evaluation of Urban Tunnel three-dimensional stopping sight distance Method for Checking,
For can easily check whether road parking sighting distance meets rule from three-dimensional space visual angle in the Impacts Evaluation of Urban Tunnel design phase
The method and its system that model requires will improve road traffic safety to future and play a significant role.
Background technique
The construction space-closed of Impacts Evaluation of Urban Tunnel, environment is dull, noise is big, and visual condition is poor, and traffic accident occurs
Easily cause the second accidents such as fire afterwards, escape and rescue is difficult.Therefore, the traffic insurance of road tunnel is even more important.From
It is common one of traffic accident type that operation road tunnel traffic accident analysis, which shows to knock into the back, and main cause is to drive
Man-powered vehicle sight is limited, is blocked and causes driving sight distance deficiency.
The closed space construction of Impacts Evaluation of Urban Tunnel is so that relative to surface road, and driving sight distance is by road and environment shadow
Sound is stronger.The analysis of road sighting distance at present is based primarily upon two dimension, i.e., considers the sighting distance on horizontal curve and vertical curve respectively, ignore
Road three-dimensional linear combines benefit, causes its result to be often higher or lower than the practical driving sight distance of driver.And it grinds
Study carefully and point out, on the section that horizontal and vertical alignment combines when driving, the work load of driver can be with alignment condition by driver
The reduction of complexity and sighting distance and increase, to affect the judgement and operation of driver.
Three-dimensional space sighting distance refer to real road traveling space in, it is contemplated that the forms of road cross section, trackside condition,
The three-dimensional arrangements situation such as vertical alignment, horizontal alignment.According to object point height and viewpoint height requirement, driver is worst
The farthest distance that can be seen on runway.Currently, mainly including graphical method and analytic method to the calculating of road three-dimensional sighting distance
Two methods, analytic method method is complicated, and not very practical.
The invention proposes the sighting distance checking computations that graphical method carries out, and can be used in design phase and the side that convenient can be used
Method in time tests to result of design and feeds back to designer, if meets code requirement.
Summary of the invention
According to the deficiencies of the prior art described above, It is an object of the present invention to provide a kind of Impacts Evaluation of Urban Tunnel three-dimensionals to stop
Whether sighting distance Method for Checking, the three-dimensional stopping sight distance of convenient checking computations meet code requirement.
To achieve the goals above, technical scheme is as follows: a kind of Impacts Evaluation of Urban Tunnel three-dimensional stopping sight distance is tested
Calculation method, it is characterised in that this method comprises:
A, the determination of viewpoint and object space draws the object parallel with wheel trochoid according to driver's mesh height and object height respectively
Line and mesh line；
B, the drafting of sight and section envelope, with subheads lines such as same intervals distances, on object line on determining and mesh line
The corresponding point of point, and be correspondingly connected with, stadia hairs is drawn respectively；
C, the generation of final sighting distance enveloping surface draws the interior tangent surface of stadia hairs, as sighting distance enveloping surface；
D, judge whether road tunnel meets line-of-sight requirement.
Further, step B include specifically includes the following steps:
A, on mesh line, take several Along ents as several driver's viewpoints Ai using spacing distance L；
B, it respectively using several driver's viewpoint Ai as starting point, is grown by one times of stopping sight distance and determines terminal Bi on the high line of object；
C, corresponding origin and destination are separately connected, stadia hairs AiBi can be obtained.
Further, in step D, when the facility that side wall in road tunnel or side wall are hung is invaded in sighting distance enveloping surface
In range, then the section is unsatisfactory for line-of-sight requirement.
Further, a height of 1.9 ~ 2.0m of driver's mesh, a height of 0.1m of object.
The present invention proposes sighting distance enveloping surface concept, verifies whether that there are barriers by drawing sighting distance enveloping surface, to test
Whether card section meets line-of-sight requirement.It is an advantage of the invention that can be by convenient and fast method from three-dimensional space level fast verification
Whether section meets the requirement of stopping sight distance, to play a significant role to verifying and optimization design, simple possible, is suitble to practice
Using.
Detailed description of the invention
Fig. 1 is tunnel three-dimensional graph.
Fig. 2 is section sighting distance enveloping surface schematic diagram.
Specific embodiment
Feature of the invention and other correlated characteristics are described in further detail by embodiment below in conjunction with attached drawing, with
Convenient for the understanding of technical staff of the same trade.
Main feature of the invention is as follows:
(1) determination of viewpoint and object space, viewpoint position are determining stopping sight distance important parameters, are regarded according to design specification requirement
Point position is set to the position of center line in lane, a height of 1.9m of driver's mesh, and object height should be 0.1m, when for all-purpose road, lorry ratio
When example is higher, lorry stopping sight distance, a height of 2.0m of mesh should be checked.
(2) three-dimensional sighting distance envelope iso-surface patch, sighting distance envelope concept in two dimension is introduced into three-dimensional linear, proposes sighting distance
Enveloping surface concept.
The specific method is as follows:
Draw the object line and mesh line parallel with wheel trochoid respectively according to driver's mesh height and object height.With same intervals distance
Equal subheads line, determines point corresponding with the point on mesh line, and be correspondingly connected on object line, draws stadia hairs respectively.
Such as: starting point A1 is driver's viewpoint, determines terminal B1 in object line S2 by one times of long S of stopping sight distance, connects the beginning and the end
Point.In the same way, in direction of traffic, spacing distance L draws stadia hairs A2B2, until drawing complete section.According to precision
Situation, L ordinary circumstance can use 1m.
Finally draw the interior tangent surface of stadia hairs A1B1, A2B2, A3B3, A4B4, as sighting distance enveloping surface.
(3) judge whether to meet line-of-sight requirement, by the sighting distance enveloping surface drawn out, work as side wall or side wall suspension
Facility invades within the scope of sighting distance enveloping surface, then the section is unsatisfactory for line-of-sight requirement, needs to optimize Alignment Design or changes facility
Position is set.
Embodiment: as shown in Figure 1 and Figure 2, the present embodiment is related to a kind of for road tunnel three-dimensional stopping sight distance checking computations side
Method, this method include determining sight line point and object height, drawing the high line of mesh and the high line of object respectively, draw sighting distance enveloping surface, judgement
Whether there are obstacles invades sighting distance envelope.
(1) tunnel three-dimensional figure is drawn to scale, as shown in Figure 1.
It is clear to state, its wheel trochoid is individually taken out.According to the high h1 of driver's mesh and the high h2 of object draw respectively with
The high line S2 of the wheel trochoid S1 parallel object and high line S3 of mesh, as shown in Figure 2.
(2) on the high line S3 of mesh, several Along ent A1, A2, A3, A4 are taken with spacing distance L.
(3) respectively with A1, A2, A3, A4(driver viewpoint) it is starting point, by one times of long S of stopping sight distance in object height
Terminal B1, B2, B3, B4 are determined on line S2.
(4) origin and destination are separately connected, stadia hairs A1B1, A2B2, A3B3, A4B4 can be obtained.
(5) the interior tangent surface of stadia hairs A1B1, A2B2, A3B3, A4B4, as sighting distance enveloping surface are drawn.
Finally, judging whether to meet line-of-sight requirement: by the sighting distance enveloping surface of drafting, working as side wall or side wall suspension
Facility invades in sighting distance curve ranges, then the section is unsatisfactory for line-of-sight requirement, needs to optimize Alignment Design or change facility is set
Seated position.
Claims (4)
1. a kind of Impacts Evaluation of Urban Tunnel three-dimensional stopping sight distance Method for Checking, which is characterized in that the described method comprises the following steps:
A, the determination of viewpoint and object space draws the object parallel with wheel trochoid according to driver's mesh height and object height respectively
Line and mesh line；
B, the drafting of sight and section envelope, with subheads lines such as same intervals distances, on object line on determining and mesh line
The corresponding point of point, and be correspondingly connected with, stadia hairs is drawn respectively；
C, the generation of final sighting distance enveloping surface draws the interior tangent surface of stadia hairs, as sighting distance enveloping surface；
D, judge whether road tunnel meets line-of-sight requirement.
2. Impacts Evaluation of Urban Tunnel three-dimensional stopping sight distance Method for Checking as described in claim 1, which is characterized in that step B includes
Specifically includes the following steps:
A, on mesh line, take several Along ents as several driver's viewpoints Ai using spacing distance L；
B, it respectively using several driver's viewpoint Ai as starting point, is grown by one times of stopping sight distance and determines terminal Bi on the high line of object；
C, corresponding origin and destination are separately connected, stadia hairs AiBi can be obtained.
3. Impacts Evaluation of Urban Tunnel three-dimensional stopping sight distance Method for Checking as described in claim 1, which is characterized in that in step D, when
Side wall or the facility of side wall suspension invade within the scope of sighting distance enveloping surface in road tunnel, then the section is unsatisfactory for sighting distance and wants
It asks.
4. Impacts Evaluation of Urban Tunnel three-dimensional stopping sight distance Method for Checking as described in claim 1, which is characterized in that driver's mesh is high
For 1.9 ~ 2.0m, a height of 0.1m of object.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810523115.7A CN108959703B (en) | 2018-05-28 | 2018-05-28 | Three-dimensional parking sight distance checking calculation method for urban underground road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810523115.7A CN108959703B (en) | 2018-05-28 | 2018-05-28 | Three-dimensional parking sight distance checking calculation method for urban underground road |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108959703A true CN108959703A (en) | 2018-12-07 |
| CN108959703B CN108959703B (en) | 2022-08-23 |
Family
ID=64491881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810523115.7A Active CN108959703B (en) | 2018-05-28 | 2018-05-28 | Three-dimensional parking sight distance checking calculation method for urban underground road |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108959703B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009166A (en) * | 2019-12-04 | 2020-04-14 | 上海市城市建设设计研究总院（集团）有限公司 | Road three-dimensional sight distance checking calculation method based on BIM and driving simulator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004100148A (en) * | 2002-09-04 | 2004-04-02 | Mitsubishi Research Institute Inc | Road linear design method, device, and program |
| CN102230794A (en) * | 2011-04-01 | 2011-11-02 | 北京航空航天大学 | Method for dynamically measuring sight distance of drivers based on video |
| CN104850701A (en) * | 2015-05-20 | 2015-08-19 | 天津市市政工程设计研究院 | Geometric graphing method for graphing vertical stadia envelope curves of concave vertical curves |
| JP2017032802A (en) * | 2015-07-31 | 2017-02-09 | キヤノン株式会社 | Exhibition set and exhibition method |
| CN106875456A (en) * | 2017-01-19 | 2017-06-20 | 天津市市政工程设计研究院 | A kind of plane sighting distance analysis method based on AutoCAD |
-
2018
- 2018-05-28 CN CN201810523115.7A patent/CN108959703B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004100148A (en) * | 2002-09-04 | 2004-04-02 | Mitsubishi Research Institute Inc | Road linear design method, device, and program |
| CN102230794A (en) * | 2011-04-01 | 2011-11-02 | 北京航空航天大学 | Method for dynamically measuring sight distance of drivers based on video |
| CN104850701A (en) * | 2015-05-20 | 2015-08-19 | 天津市市政工程设计研究院 | Geometric graphing method for graphing vertical stadia envelope curves of concave vertical curves |
| JP2017032802A (en) * | 2015-07-31 | 2017-02-09 | キヤノン株式会社 | Exhibition set and exhibition method |
| CN106875456A (en) * | 2017-01-19 | 2017-06-20 | 天津市市政工程设计研究院 | A kind of plane sighting distance analysis method based on AutoCAD |
Non-Patent Citations (2)
| Title |
|---|
| ZHANG HANG ET AL.: "Safety Analysis on Road Sight Distance", 《2008 INTERNATIONAL CONFERENCE ON INTELLIGENT COMPUTATION TECHNOLOGY AND AUTOMATION》 * |
| 董斌等: "基于三维模型的高速公路中央分隔带外侧车道视距计算方法研究", 《交通科技》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009166A (en) * | 2019-12-04 | 2020-04-14 | 上海市城市建设设计研究总院（集团）有限公司 | Road three-dimensional sight distance checking calculation method based on BIM and driving simulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108959703B (en) | 2022-08-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106994969B (en) | A kind of fleet's formation control loop and method | |
| Fitzpatrick et al. | Speed prediction for two-lane rural highways | |
| CN104294720B (en) | A kind of Expressway Design solution security evaluation methodology | |
| CN106920040A (en) | Freeway tunnel street accidents risks appraisal procedure based on Fuzzy Level Analytic Approach | |
| You et al. | Reliability-based risk analysis of roadway horizontal curves | |
| CN106503398B (en) | A kind of highway alignment safety evaluation method based on vehicle dynamics simulation and accident tree | |
| Wood et al. | Stopping sight distance and available sight distance: New model and reliability analysis comparison | |
| Dhahir et al. | Reliability-based design of horizontal curves on two-lane rural highways | |
| Jesna et al. | Reliability analysis of horizontal curves on two lane highways | |
| CN111143936B (en) | Calculation method of recommended value of circular curve radius of spiral tunnel of expressway | |
| Garcia et al. | Determination of minimum horizontal curve radius for safe stopping sight distance of vehicles overpassing truck platoons | |
| CN108959703A (en) | A kind of Impacts Evaluation of Urban Tunnel three-dimensional stopping sight distance Method for Checking | |
| Crisman et al. | Operating speed prediction model for two-lane rural roads | |
| CN104850701B (en) | A kind of geometric construction method for drawing the vertical sighting distance envelope of vertical sag curve | |
| Memon et al. | Estimation of operating speed on two lane two way roads along N-65 (SIBI–Quetta) | |
| Himes | Reliability based design of horizontal curves considering the effects of grades | |
| CN204926529U (en) | Vehicle highway stability under transport condition detecting system | |
| CN109263653B (en) | Method for confirming front view angle of automobile driver | |
| Zheng et al. | Evaluation on braking stability of autonomous vehicles running along curved sections based on asphalt pavement adhesion properties | |
| CN113256970A (en) | Intersection driving safety evaluation method and system | |
| Mavromatis et al. | Analytical model to determine the influence of horizontal alignment of two-axle heavy vehicles on upgrades | |
| Colonna et al. | The method of the friction diagram: New developments and possible applications | |
| Wang et al. | Operating speed based alignment consistency evaluation using driving simulator: case studies from Taigan freeway in Jiangxi, China | |
| Tumasov et al. | Estimation of light commercial vehicles dynamics by results of road tests and simulation | |
| CN109722963A (en) | A kind of road alignment design method towards automatic Pilot |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |