山东大学学报 (工学版) ›› 2024, Vol. 54 ›› Issue (4): 106-114.doi: 10.6040/j.issn.1672-3961.0.2023.183
郭静1,赵振华2,马梦媛3,史长远3,姚占勇3,赵秋红2,姚凯3*
GUO Jing1, ZHAO Zhenhua2, MA Mengyuan3, SHI Changyuan3, YAO Zhanyong3, ZHAO Qiuhong2, YAO Kai3*
摘要： 为分析松散地基喷浆加固过程中浆液扩散规律,借助MatDEM软件生成模拟土层,基于孔隙密度流原理实现喷浆过程可视化,生成土体颗粒位移场。从现有成桩直径预测公式出发,分析基于极限侵蚀距离的成桩直径预测公式的可靠性,基于模拟结果,通过分析喷浆压力、颗粒粒径等对修正参数的影响,对成桩直径预测公式进行修正,将现场试验中双管法旋喷喷浆施工参数及原位土体力学参数带入修正后成桩直径预测公式计算,与现场试验桩体开挖后实测直径进行对比,验证了修正公式的可靠性。
中图分类号:
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