"土洞"是个多义词，它可以指土洞（地质构造名称）,土洞（王十朋诗作）。
... 规章制度 合同协议 预防措施 预算 标书 论文 图纸 规范 关键词：岩溶 土洞 搅拌桩 加固 [gap=458]Key word: Karst ; soil hole ;deep cement mixing pile; Reinforce ...
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The formation mechanism and factors affecting of soil cavity are analyzed. It is realized that super- hydrostatic pressure makes the soil block spalled and fissured,and hydrodynamic pressure makes soil fine grain migrated.
分析了土洞的形成机理及影响土洞发育的因素，认为超静孔隙水压力或真空吸力使土的结构体(块体)产生剥落，而动水压力则使土的细颗粒产生迁移，两者共同作用，使土洞不断扩大。
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对溶洞和土洞的发育机制进行了分析。
The formation mechanism of cave and soil cave has been analyzed.
本文通过实例介绍了覆盖型岩溶区建筑物下隐伏土洞的探测原理与方法。
Principle and method for probing hidden earth caves under building in overlying karstic region are introduced herein through practical examples.
岩溶区地下水或地表水的活动，将对土层产生潜蚀作用及崩解作用，进而形成土洞。
The underground erosion and disintegration produced by the activity of ground water will result in formation of soil caves.
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