1) geostatic pressure caused by rock expansion
膨胀岩地压
2) expansive ground pressure
膨胀性地压
1.
According to the design and construction of undesirable tunnel geology,it summarizes common undesirable geology reaction in tunnel design and construction such as expansive ground pressure,landslide,loose bottom,and discusses their features,processing principles,attentions and common processing measures,so as to guarantee the smooth proceeding of tunnel construction.
针对不良地质隧道的设计与施工,总结了隧道设计与施工中常见的膨胀性地压、滑坡、松散地层等不良地质反应,并对其特征、整治原则以及应考虑的问题和采取的常用处治措施进行了探讨,以确保隧道施工的顺利进行。
3) swelling rock
膨胀岩
1.
Numerical simulation of swelling rock roadway deformation and its control;
膨胀岩巷道变形及其控制的数值模拟
2.
Experimentation study on engineering property of swelling rocks;
膨胀岩工程特性试验研究
3.
Study on time-dependent swelling constitute relation of swelling rock;
含时间效应的膨胀岩膨胀本构关系
4) expansion slime
膨胀泥岩
5) expansive soil
膨胀岩土
1.
The engineering geologic problems of expansive soil and frost damage are often encountered in geotechnical engineering in Xinjiang.
在新疆岩土工程中经常会遇到膨胀岩土和冻胀破坏问题。
2.
The test and study on treating the slope failure of expansive soil with chemical method are described in the paper.
论述用化学方法处理膨胀岩土的试验和研究。
补充资料：弹塑性岩体内竖井地压理论
弹塑性岩体内竖井地压理论
ground pressure around shaft in elastic-plastic rock
tonsux一ng yant一ne一shuJ一ngd一yol一}un弹塑性岩体内竖井地压理论(ground pres-sure around shaft in elastie一plastie roek)在表土或软岩中掘进竖井时，若岩体只产生弹性变形，岩体是稳定的，不必计算地压。只有在产生塑性及流变变形时，才需要计算地压;竖井各水平截面上地压不等。按轴对称条件求出竖井周边位移，再求出支护位移公式，将它们联立求解，即可得到竖井地压。也可用图解法找到两条位移与应力关系曲线的交点，该点的纵坐标值即为竖井地压(见图)竖井围岩周边位移公式为: “止 U 竖井变形地压计算图 1围岩位移曲线;z支护特性曲线 a(p。s、n，，+。eos叭)厂(尸。+。.eot，t川一sin，.门导 ZG，匕P。+cicot笋，J式中“。为竖井围岩周边位移，m;a为竖井掘进半径，m;P0为原岩水平应力，重力场条件下，P0一六yI1，MPa;c，为第i层岩石粘结力，MPa;尸b为支护抗力，等于围岩作用在支护结构上的径向压力，但作用方向相反，MPa;笋，为第i层岩石内摩擦角;G.为第!层岩石剪切弹性模量;MPa。 竖井筒形支护特性方程为: l一群2厂bZ+a，尸1。， z，‘一二六舟}头‘-共一一IP，b EL右2一aZx一尸J“”式中u。为支护外半径表面的径向位移，支护与围岩密贴的情况下，“，一“、;E及产分别为支护材料的弹性模量及泊桑比;“为支护内半径，m;b为支护外半径，m;尸二为竖井变形地压，尸。一尸b，MPa。 (高磊)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条