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平板三轮车是类似自行车靠体力骑行的一种货运车辆,车宽约1米,载重量因工人体力强弱而异,一般为250～400公斤。这种运输工具,在过去城市道路设计中往往缺乏足够的重视,有些地段的纵坡过陡或坡长过大,都给他们造成上坡的困难。根据目前的货运情况来看,平板三轮车还要担负一定的运输任务,因此在城市道路纵坡度的设计中尤其对经常行驶平板三轮车的道路,应该充分考虑他们的上坡能力。为了解决这一问题,我们对行驶平板三轮车较多的街道加以选择并测量其坡度坡长,共选出25个路
Flat tricycle is similar to a bicycle by physical riding a cargo vehicle, car width of about 1 meter, load capacity due to physical strength of workers vary, generally 250 to 400 kg. Such means of transport often lack sufficient attention in the design of urban roads in the past. In some areas, the steepness of the longitudinal slope or the length of the slope is too large, which has caused them difficulties in going uphill. According to the current freight situation, the flat tricycle also has some transportation tasks, so in the design of the longitudinal gradient of the urban road, especially for the regular driving tricycle road, they should take full account of their uphill ability. In order to solve this problem, we choose the streets with more driving tricycles and measure the length of the slope, a total of 25 road