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探讨了利用工业废渣粉煤炭加固软土的机理，认为利用粉煤灰粉喷桩加固软土地基可以获得很强的水稳性和一定强度的桩体，其加固效果是可靠的.同时依据现场试验对粉煤灰粉喷桩的特性及设计计算进行了初步研究，得出粉煤灰粉喷桩侧摩阻力平均值和粉煤灰粉喷桩复合地基承载力桩间土强度折减系数.
The mechanism of using industrial waste residue coal to reinforce soft soil is discussed. It is considered that using fly ash powder jet piles to reinforce soft soil foundation can obtain very strong water stability and certain strength of the pile body, and its reinforcement effect is reliable. At the same time, according to the site The preliminary study on the characteristics and design calculation of fly ash powder jet piles was carried out, and the average value of side frictional resistance of fly ash powder jet piles and the reduction coefficient of soil strength between piles of composite foundation with fly ash powder jet piles were obtained.