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分析自然土层受到破坏原因

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发布时间:2013/5/4

晾晒回填土含水量符合压实最佳含水量时再进行压实。待排水沟无明显水流时,翻耕0.3m-0.6m厚的回填土。软式透水管根据施工现场反复试验,翻耕时土层含水量最好小于28%,以免土壤过湿成团而不易破碎,压实回填土层时,尽量不采用震动压路机,以防止自然土层受到破坏。
Dry backfill compaction moisture content with optimal moisture content and compaction. The drainage ditch without obvious flow, plowing 0.3m-0.6m thick backfill. Soft permeable pipe according to the construction site test repeatedly, plowing the soil moisture content is less than 28% when the best, so as not to wet soil into the group and not easy broken, compacted backfill soil, try not to use vibratory roller, to prevent the destruction of the natural soil.
为保证土基具有足够的承载能力和水稳定性,在分析病害原因后,认为处理的目的就是降低地表土的含水量和降低地下水水位,降低土的塑性和隔断毛细水上升的通道,并且必须一同进行解决上述问题,所以软式透水管厂家决定在0.3m的回填土层及填土高度小于1.0m路堤的路槽下1.0m的范围内为掺灰区,掺石灰剂量根据试验采用4%-6%。以0.3m厚为一层,土粉碎后翻拌均匀再分层填筑压实,其团粒不应大于5cm。
In order to guarantee the subgrade bearing capacity and water stability is sufficient, in the analysis of the disease cause, that treatment is to reduce surface soil moisture and reduce the level of ground water, reduce the plasticity and cut off the capillary water rising channel soil, and must be carried out together to solve the problems, so the soft water pipe manufacturers decided in 0.3m backfill soil and filling road embankment under the groove height less than 1.0m in the range of 1.0m for ash zone, Lime dosage according to the test by 4%-6%. With the thickness of 0.3m is a layer of soil after crushing, mix evenly and layered filling and compaction, the aggregate should not be greater than 5cm.
莱芜市金利源工程材料有限公司
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