文件名称：Applications of airtight concrete grouting to road tunnels* (2002年)
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更新时间：2024-05-13 01:05:09
自然科学 论文
Road tunnel excavation often traverses coal strata. which is at risk of firedamp explosion that usually results in disaster Alrtight concrete grouting is popularly used in this kind of tunnel project. Based on the essentlal theory of mechanics of fluids i