The content of fenvalerate in soil near to the grouthole varied with the difference of sampling location affected by seawall soil structure.
由于受海塘土层结构的影响,药物灌浆孔附近土壤中氰戊菊酯的含量随取样部位不同而有差异。
2
According to the former solution of spherical or columnar hole about material strain-softening model, the model for grout bulb expansion is formed in compaction grouting.
根据他人已有的关于材料应变软化模型的球(柱)形孔扩张问题的解,建立了压密灌浆中的浆泡扩张模型。
3
When the bore hole-top-enclosed grouting method is used to conduct high-pressure curtain grouting, shallow weathered broken rock is easy to be split, resulting in excessive grout loss.