强夯处理红砂岩碎(块)石填土地基检测方法探讨

Discussion of the Detection Methods on Backfilled Ground with Red Sandstone Fragments Treated by Dynamic Consolidation

根据红砂岩碎(块)石具有吸水崩解特性和不均匀性,对强夯加固处理红砂岩碎(块)石填土地基的检验方法进行了探讨。采用室内试验、浅层平板载荷试验、重型圆锥动力触探试验并与波速试验相互验证。经对比分析得出:若强夯前对红砂岩碎(块)石填土进行相关处理,降雨对夯后填土的影响深度较浅,其硬壳层既是良好持力层又是隔水层,它使地基内红砂岩的残余水活性无法发挥,从而使夯后地基沉降减少。采用上述综合方法检验的小区经过两年的运营,一切正常。说明上述综合检验方法是可行的,真实的反映了强夯施工质量,可供类似工程参考。

According to the properties of disintegration and irregularity of the red sandstone,detection Methods on Backfilled ground with red sandstone fragments treated by dynamic consolidation are discussed,in which experiment indoor、 shallow plate loading test and heavy cone dynamic penetration test are used and compared with wave velocity test. By comparative analysis,it shows the influent depth of rainfall is lower in the backfilled ground of red sandstone fragments on the condition that the red sandstone in the...