用轧制的碎石按嵌挤原理铺压而成的路面,也可用作路面的面层或基层。碎石路面的结构强度主要依靠石料颗粒的嵌挤锁结作用以及灌浆材料的粘结作用。其嵌挤锁结力之大小取决于石料本身强度、形状、尺寸、表面粗糙程度及碾压质量。其粘结力则取决于灌缝材料的内聚力及其与石料之间的粘附力的大小。碎石路面一般初期投资不高,可随交通量的增长而分期改善。路面平整度较差,易扬尘,雨天较泥泞,须经常撒料养护。
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然后,这架飞机的停坐沥青碎石路面上一个小时了。
另外,挖掘出来的土方则用于制造建筑所需的混凝土和碎石路面。
The excavated earth was used to make the concrete and also as an ingredient of the gravel surfacing.
一天在他的农场里,他发现牛群伸着脖子到护栏外面去舔新铺的碎石路面。
On his farm, he noticed one day that his cows had their necks through the fence and were straining to lick the recently graveled road.
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