拜求土木工程英语翻译高手 ,帮帮我翻译全文 Sight Distance

来源:百度知道 编辑:UC知道 时间:2024/09/22 01:38:06
For safe vehicle operation, highway must be designed to give drivers a sufficient distance of clear vision ahead so that they can avoid unexpected obstacles and can pass slower vehicles without danger. Sight distance is the length of highway visible ahead to the driver of a vehicle. The concept of safe sight distancehas two facets:"stopping"(or"nonpassing")and"passing".
At times large objects may drop onto a roadway and will do serious damage to a motor vehicle that strikes them. Again a car or truck may be forced to stop in the traffic lane in the path of following vehicles. In cither instance, proper design requires that such hazards become visible at distances great enough that driverscan stop before hitting them. Furthermore , it is unsafe to unsafe to assume that one oncoming vehicle may avoid trouble by leaving the in is traveling result in loss of control or collision with another vehicle.
Stopping sight distance is made up of two

难!!!!!!!!11

为安全起见,列车运行、公路必须设计成有足够的距离给驾驶员前方的清晰的远景规划,以便他们能避免意想不到的障碍,可以通过车辆没有危险。慢眼前的长度的距离是高速公路的司机可见前面一辆车。眼前的概念distancehas安全两个层面:“停止”(或“nonpassing”)和“通过”。
有时大物件可能掉落一个巷道、会严重损害汽车,罢工。一辆汽车或卡车又可能会被迫停在车道上的车辆路径以下的车辆。在cither情况,合理的设计要求这样的危险距离变得可见足够大,driverscan停止才击中他们。此外,它是很不安全的假定一个车辆可以避免了即将离开在旅游导致失去控制或撞击另一辆车。
距离停止眼前是由两个元素。第一个是距离梗阻后就进入了视野前应用他的刹车车手。在这段时期感知和反应,车辆的速度传播它的初始速度。
第二个距离消费而司机刹车车停下了。第一种是依赖于两个距离车辆的速度和时间和brake-reaction感知时间的区域。第二个距离取决于速度的车辆状态;的刹车,轮胎,和道路表面、协调与品位的道路。
双车道公路上的机会,通过缓慢的车辆必须提供在间隔。否则容量增加而降低风险事故鲁莽司机正面相撞时,它是通过不这么做。前方的最小间距必须清晰允许安全通过被称为传球眼前的距离。