Reliability-Based Highway Geometric Design
基于可靠性的公路几何设计
基本信息
- 批准号:249627-2012
- 负责人:
- 金额:$ 1.38万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Discovery Grants Program - Individual
- 财政年份:2015
- 资助国家:加拿大
- 起止时间:2015-01-01 至 2016-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Highway collisions are generally attributed to the failure of one or more of the three elements of the highway system: the road itself, the vehicle, and the road user. However, with driver error being blamed for 90-95% of collisions, a strong emphasis has been placed on education and enforcement initiatives with relatively little success. On the other hand, comparatively very little effort has been directed towards reducing driver error and managing driver behaviour through improving the highway geometric design. Highway geometric design involves the proper dimensioning and coordination of the different design elements. Despite the continuous evolvement of the design guidelines since the introduction of motorized vehicles and paved roads in the early 1900s, the fundamentals have not considerably changed.
Despite the wide variability in the characteristics of the three elements of the highway system (road, vehicle, and driver), highway design has followed a deterministic approach where each parameter is reduced to one near-worst-case value. The cumulative effect of such conservative values can significantly overestimate the design. Furthermore, these parameters are estimated based on data mostly collected in the 1930s and 1940s, which are clearly outdated.
In this proposal, the applicant adopts a probabilistic highway geometric design approach based on reliability analysis, where the variability in driver and vehicle capabilities are explicitly considered through the distribution of each design parameter. Models are investigated for the design of horizontal curves and freeway speed-change lanes. Data will also be collected to better reflect the behaviour, capabilities, and limitations of current drivers, vehicles, and roads. The research will then investigate the relationship between the probability of an inadequate design and the road safety performance.
公路碰撞通常归因于公路系统的三个要素中的一个或多个的故障:道路本身,车辆和道路使用者。然而,由于90-95%的碰撞事故都归咎于驾驶员失误,因此一直强调教育和执法措施,但收效甚微。另一方面,通过改善公路几何设计来减少驾驶员错误和管理驾驶员行为的努力相对较少。公路几何设计涉及不同设计元素的正确尺寸和协调。尽管自20世纪初引入机动车辆和铺设道路以来,设计准则不断演变,但基本面并没有发生很大变化。
尽管公路系统的三个要素(道路、车辆和驾驶员)的特性存在很大的差异,但公路设计遵循确定性方法,其中每个参数都被减少到一个接近最坏情况的值。这种保守值的累积效应可能会显著高估设计。此外,这些参数是根据大多数在1930年代和1940年代收集的数据估计的,这些数据显然已经过时。
在本提案中,申请人采用了基于可靠性分析的概率公路几何设计方法,其中通过每个设计参数的分布明确考虑了驾驶员和车辆能力的可变性。研究了高速公路平曲线和变速车道的设计模型。此外,还将收集数据,以更好地反映当前驾驶员、车辆和道路的行为、能力和局限性。然后,研究将调查设计不充分的概率与道路安全性能之间的关系。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Hassan, Yasser其他文献
Modeling driver behavior and safety on freeway merging areas
- DOI:
10.1061/(asce)0733-947x(2008)134:9(370 - 发表时间:
2008-09-01 - 期刊:
- 影响因子:0
- 作者:
Ahammed, Mohammad Alauddin;Hassan, Yasser;Sayed, Tarek A. - 通讯作者:
Sayed, Tarek A.
Structure-Tuned Lead Halide Perovskite Nanocrystals
- DOI:
10.1002/adma.201503461 - 发表时间:
2016-01-20 - 期刊:
- 影响因子:29.4
- 作者:
Hassan, Yasser;Song, Yin;Scholes, Gregory D. - 通讯作者:
Scholes, Gregory D.
Facile Synthesis of Stable and Highly Luminescent Methylammonium Lead Halide Nanocrystals for Efficient Light Emitting Devices
- DOI:
10.1021/jacs.8b09706 - 发表时间:
2019-01-23 - 期刊:
- 影响因子:15
- 作者:
Hassan, Yasser;Ashton, Olivia J.;Snaith, Henry J. - 通讯作者:
Snaith, Henry J.
Synthesis and Optical Properties of Linker-Free TiO2/CdSe Nanorods
- DOI:
10.1021/jp411830u - 发表时间:
2014-02-13 - 期刊:
- 影响因子:3.7
- 作者:
Hassan, Yasser;Chuang, Chi-Hung;Scholes, Gregory D. - 通讯作者:
Scholes, Gregory D.
Expression of novel fusion antiviral proteins ricin a chain-pokeweed antiviral proteins (RTA-PAPs) in Escherichia coli and their inhibition of protein synthesis and of hepatitis B virus in vitro
- DOI:
10.1186/s12896-018-0458-6 - 发表时间:
2018-08-06 - 期刊:
- 影响因子:3.5
- 作者:
Hassan, Yasser;Ogg, Sherry;Ge, Hui - 通讯作者:
Ge, Hui
Hassan, Yasser的其他文献
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{{ truncateString('Hassan, Yasser', 18)}}的其他基金
Investigating Effects of New Vehicle Technologies on Highway Safety from Transition to Full Implementation
研究新技术从过渡到全面实施对公路安全的影响
- 批准号:
RGPIN-2017-06326 - 财政年份:2022
- 资助金额:
$ 1.38万 - 项目类别:
Discovery Grants Program - Individual
Investigating Effects of New Vehicle Technologies on Highway Safety from Transition to Full Implementation
研究新技术从过渡到全面实施对公路安全的影响
- 批准号:
RGPIN-2017-06326 - 财政年份:2021
- 资助金额:
$ 1.38万 - 项目类别:
Discovery Grants Program - Individual
Investigating Effects of New Vehicle Technologies on Highway Safety from Transition to Full Implementation
研究新技术从过渡到全面实施对公路安全的影响
- 批准号:
RGPIN-2017-06326 - 财政年份:2020
- 资助金额:
$ 1.38万 - 项目类别:
Discovery Grants Program - Individual
Investigating Effects of New Vehicle Technologies on Highway Safety from Transition to Full Implementation
研究新技术从过渡到全面实施对公路安全的影响
- 批准号:
RGPIN-2017-06326 - 财政年份:2019
- 资助金额:
$ 1.38万 - 项目类别:
Discovery Grants Program - Individual
Investigating Effects of New Vehicle Technologies on Highway Safety from Transition to Full Implementation
研究新技术从过渡到全面实施对公路安全的影响
- 批准号:
RGPIN-2017-06326 - 财政年份:2018
- 资助金额:
$ 1.38万 - 项目类别:
Discovery Grants Program - Individual
Investigating Effects of New Vehicle Technologies on Highway Safety from Transition to Full Implementation
研究新技术从过渡到全面实施对公路安全的影响
- 批准号:
RGPIN-2017-06326 - 财政年份:2017
- 资助金额:
$ 1.38万 - 项目类别:
Discovery Grants Program - Individual
Reliability-Based Highway Geometric Design
基于可靠性的公路几何设计
- 批准号:
249627-2012 - 财政年份:2014
- 资助金额:
$ 1.38万 - 项目类别:
Discovery Grants Program - Individual
Reliability-Based Highway Geometric Design
基于可靠性的公路几何设计
- 批准号:
249627-2012 - 财政年份:2013
- 资助金额:
$ 1.38万 - 项目类别:
Discovery Grants Program - Individual
Reliability-Based Highway Geometric Design
基于可靠性的公路几何设计
- 批准号:
249627-2012 - 财政年份:2012
- 资助金额:
$ 1.38万 - 项目类别:
Discovery Grants Program - Individual
Improving highway safety through speed management
通过速度管理提高公路安全
- 批准号:
249627-2011 - 财政年份:2011
- 资助金额:
$ 1.38万 - 项目类别:
Discovery Grants Program - Individual
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