After analysis and comparison in construction time and cost, high pressure jet grouting technique was chosen for the enforcement and the enforcement effect was satisfactory.
经过工期和经济分析对比,决定采用高压旋喷注浆技术加固存在缺陷桩体,效果良好。
But this effect of the main flow to the flow inside the hot jet tube disappears after the velocity ratio become larger than 0 05.
在射流管内,低流速比时存在有紊动区,当流速比大于0 0 5以后,射流管内温度已不受主流的影响。
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