冻土层 meaning in English
frozen soil layer
tjaele
tundra
Examples
- Effect of frozen soil layer on seismic response of bridges
冻土层对桥梁地震反应的影响 - In alaska , salmon populations are faltering as melting permafrost pours mud into rivers , burying the gravel the fish need for spawning
在阿拉斯加， ?鱼群的数量正在逐渐减少，因为永久冻土层融化带入大量的泥土到河中，覆盖了?鱼产卵所需的碎石。 - Engineers designed bridges to span the most treacherous area of permafrost and sank naturally cooled piping into the ground to keep the track bed frozen year - round , reducing instability
中国铁路建设者们在永冻土地段设计了桥梁，坚固的水泥桥墩深深地埋在永冻土层里，克服了路基不稳定的难题。 - Effects of frozen soil layer and radiant damp of foundation soil on site earthquake responses are studied in detail . the seismic wave that is prerequisite at the seismic responses calculation of structure is obtained by using back analysis
研究了冻土层的存在、地基辐射阻尼等因素对场地地震反应的影响以及通过反演计算得到结构地震反应分析时所需要的地震波。