旧石拱桥承载潜力大,应充分利用。以往一般是根据经常通过的汽车吨位来限制准许通过的载重,究竟还能超载多少很难确定。去年贵阳郊区一座建于三十年代初的三孔不等跨旧石拱桥,在一个星期内通过了大于允许载重(汽-13),(拖-60)四倍的重车四次,现在还仍然担负着近千辆常规车的运输量。这次重车的通过对桥是一次检验,为探讨石拱桥承载力提供了一点有益的资料,现介绍如下: Old stone arch bridge carrying capacity, should make full use of. In the past, the quota of vehicles allowed to pass was often limited based on the tonnage of cars that passed frequently. It is difficult to determine exactly how much it can be overloaded. Last year, a three-storied stone cross-stranded bridge spanning three holes in the suburbs of Guiyang in the early 1930s passed four times over a week, four times heavier than the allowable load (steam -13), (drag -60), and now Still bear the transport capacity of nearly a thousand conventional cars. The passage of heavy vehicles on the bridge is a test, to explore the bearing capacity of stone arch provides a little useful information, are presented below: