盾构隧道易液化地基的抗液化措施研究
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摘要
针对饱和粉细砂层中盾构隧道的地基液化问题 ,通过室内实验及理论计算得到如下结论 :改变隧道埋深、对洞周土压密或对洞周土注入 7%～ 1 0 %的 42 5#普通硅酸盐水泥等 ,即可达到消除隧道底部、减小隧道顶部液化区的目的。
About the question of layers' liquefaction of shield tunneling, the authors draw the conclusions through laboratory test and theoretical computation, that the liquefaction area of the bottom of shield tunneling will disappear and the liquefaction area of the top of shield tunneling will decrease if we change the buried depth of tunneling, or the layers are compacted, or the layers are injected by the number 425 silicate cement of 7 percent to 10 percent.
About the question of layers' liquefaction of shield tunneling, the authors draw the conclusions through laboratory test and theoretical computation, that the liquefaction area of the bottom of shield tunneling will disappear and the liquefaction area of the top of shield tunneling will decrease if we change the buried depth of tunneling, or the layers are compacted, or the layers are injected by the number 425 silicate cement of 7 percent to 10 percent.
引文
[1 ] 朱百里 ,沈珠江 .计算土力学 [M].上海 :上海科学技术出版社 ,1 990 .1 4～ 2 5.
[2 ] 谢定义 .土动力学 [M].西安 :西安交通大学出版社 ,1 988.1 72 .
[3] 宫全美 ,周顺华 .隧道地基地震液化研究 [R].上海 :上海铁道大学土木建筑学院 ,1 999.
[2 ] 谢定义 .土动力学 [M].西安 :西安交通大学出版社 ,1 988.1 72 .
[3] 宫全美 ,周顺华 .隧道地基地震液化研究 [R].上海 :上海铁道大学土木建筑学院 ,1 999.
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