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Dandan TAN Wei WANG Jian LU Yang BIAN 《Journal of Transportation Systems Engineering and Information Technology》2007,7(5):74-79
Sidewalk is an important part of urban walking traffic system, the service quality affects the route townsmen choose when they go out. Differently from the traditional research, which takes traffic flow operation as the assessing standard for the level of service for vehicles, taking pedestrian comfort and safety into consideration, this paper has studied the methods of assessing pedestrian level of service by analyzing the relationship between the pedestrians' subjective perceptions and the quality of the road physical facilities as well as the traffic flow operation. On the basis of a mass of data and using statistical software SPSS, this paper established the primary factors which influenced the pedestrian level of service for sidewalk and then developed the step-wise regression model along with the pedestrian level of service categories on the basis of the main factors. 相似文献
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近年来,我国水上交通运输业迅猛发展,船舶数量和运量大幅度攀升,随之而来的水上交通肇事逃逸犯罪呈上升趋势。因此,加强对水上交通肇事逃逸犯罪的探讨,对提高此类案件的侦破率,从重从快地打击此类犯罪,保护国家财产及船民生命和财产安全,确保水上交通秩序有序、畅通有着积极意义。 相似文献
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基于水动力分析的高速滑行艇阻力估算 总被引:1,自引:0,他引:1
针对滑行艇高速航行的运动特性进行其动态阻力的估算研究。首先通过分析滑行艇在高速航行时艇体受到的各种水动力,建立其六自由度操纵性数学模型,并利用四阶龙格一库塔法解算滑行艇的运动姿态。然后计算滑行艇高速航行时的动态阻力,所得结果与船模试验数据吻合较好,并对各种滑行阶段的运动特性进行分析,结果表明基于水动力分析的阻力估算方法具有较强的工程实用性。 相似文献
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