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美国在过去的十六年中,对于地下工程的防水问题,主要采用了火山胶质泥护墙板体系,使地下工程全部确保了干燥。比如:在太平洋附近建成的一条地下客运线的地铁系统;在距离密执安湖只有几英尺的可透水的回填土层中建成的第一流音乐厅;在位于东南部一个繁华的航空站建成的地下隧道;在位于北部明尼苏达州开采后的一座碎石矿,于九十多英尺的水位下建成的掩蔽部等;都采用的是火山胶质泥护墙板防水,确保了这些工程的干燥。
In the past sixteen years, in the United States, for the waterproofing of underground projects, the system of volcanic clay mud siding was mainly used to ensure that the underground works were all dry. For example: a subway system built on an underground passenger line near the Pacific Ocean; a first-rate concert hall built only a few feet from a permeable backfill on Lake Michigan; built on a bustling airport in the southeast. Underground tunnels; a crushed stone mine mined in northern Minnesota, shelters built at more than ninety feet, etc.; all using a volcanic muddy siding waterproofing to ensure the drying of these works.