1) excavation-disturbed zone
卸荷扰动区
1.
By means of acoustic wave test and in-situ deformation test of rockmass,the excavation-disturbed zone and weaken degree of mechanical properties for the rockmass of the Three Gorge Project(TGP) shiplock slope are studied,and the mechanical parameters for disturbed zone rockmass are determined.
采用岩体声波测试和现场岩体变形试验等手段,研究了三峡船闸边坡卸荷扰动区范围以及岩体力学性质弱化程度和岩体力学参数取值。
2) rock core unloading disturbance
岩芯卸荷扰动
1.
,and studies the acoustic responsiveness of the rock core unloading disturbance and its causes.
本文围绕声波速度、岩性、坚硬程度、裂隙特征、胶结程度、完整程度、地应力情况对某地铁隧道工程基岩20余个钻孔150余块岩芯进行多种手段的对比研究和综合分析,探讨了岩芯卸荷扰动的声学敏感性及其影响因素。
3) divisional unloading
分区卸荷
1.
Combined with the engineering practices of deep and large excavations of Shanghai Wheelock Square,the divisional unloading method was put forward as the control measure.
结合上海"大上海会德丰广场"深大基坑工程实例,提出了控制软土地区深大基坑卸荷变形的分区卸荷技术对策,根据工程需要,在紧邻运营地铁区间隧道的北区基坑中,研发并首次应用了钢支撑轴力伺服系统。
4) unloading area
卸荷区
1.
The master factor for distribution of unloading area between piles is the horizontal arch effect.
按其在空间坐标系的位置,将桩间土拱分为水平拱、竖向拱及临空面拱,指出水平拱效应对卸荷区分布规律起主控作用,继而定义了有效卸荷区范围。
6) dynamic unloading
动态卸荷
1.
A primary study to damage mechanism of initial stress dynamic unloading when excavating under high geostress condition;
高地应力条件下隧洞开挖动态卸荷的破坏机理初探
2.
The theory about stress wave and its propagation is employed to analyze the effect of dynamic unloading during excavation of jointed rock mass slope under high geostress.
利用应力波理论分析高地应力条件下节理岩体边坡开挖过程中的动态卸荷效应,探讨卸荷松动后节理岩体渗透特性的变化规律。
3.
The concept of dynamic unloading of initial stress of rock mass in the excavation process of slope and underground powerhouse is presented.
提出了边坡、地下洞室开挖施工过程中岩体初始应力动态卸荷的概念,以龙滩水电站地下厂房开挖为例, 比较了爆破荷载和岩体初始应力动态卸荷对岩体的动态影响。
补充资料:荷电粒子与非荷电粒子
分子式:
CAS号:
性质:荷电粒子带电,包括电子、正电子、带电介子、质子或其他离子;非荷电粒子不带电,包括X射线、γ射线和中子。荷电粒子和非荷电粒子都可以是致电离辐射但电离方式略有不同。
CAS号:
性质:荷电粒子带电,包括电子、正电子、带电介子、质子或其他离子;非荷电粒子不带电,包括X射线、γ射线和中子。荷电粒子和非荷电粒子都可以是致电离辐射但电离方式略有不同。
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