seismic stress

This paper briefly describes basic theory of seismic stress triggering.

介绍地震应力触发基本理论。

The results show that the tension fracture condition as well as the shear stress generating shear rupture should exist in inducing seismic faults.

诱发地震的断层，既要有引起剪切破裂的一定剪应力存在，又要具备张破裂的条件。

The seismic time-history response is analysed by using Newmark integral method. The node displacement response and pole axial stress of aluminum alloy and steel double-layer spherical reticulated shell are investigated under vertical seismic load.

采用Newmark积分法对其进行地震时程响应分析，研究了铝合金与钢双层网壳结构在竖向地震荷载作用下节点的位移响应及杆件的轴力响应。

The anti-seismic analysis is carried out for dry-type air-core reactor. The calculation basis and mathematic model are given. The basic natural vibration period, seismic stress and the calculating formula for safety-check are all presented here.

对干式空心电抗器总称结构进行了地震分析，提出了计算依据与数学模型，给出了基本自振周期、地震力以及安全校核的实用计算公式。

Deep mantle flow, global tectonic pattern and the background of seismic stress field in China

地幔深部运动，全球构造格局及中国地震应力场背景

From the continuity equation satisfied by the stress rate and the stress concentration we gain the necessary condition of rupture expansion, and discuss the state of medium in seismic focus region before an earthquake and dynamic expression of stress drop.

由应力变化率和应力集中所满足的连续方程.得到破裂扩展的必要条件，并据此讨论了震前震源区介质的状态和应力降的动力学表示。

The stress distribution of gangboard is analyzed briefly to get stress distribution law under seismic action.

对梯板的应力分布做了简要分析，得出梯板在地震作用下的应力分布规律。

Tectonic force source and seismic source stress field investigation on the coating's static shear stress and surface tension

构造力源和震源应力场涂料静切力及表面张力的研究

It is concluded that the seismic-tectonic activity of the Huangling anticline area behave as whole and the tectonic process is under way in the depth of 15 ￣ 20 km as well as direction distribution of tensile stress axes appears radioactive from the centre of the anticline.

结果表明，黄陵背斜的地震构造活动具有整体性，构造过程发生在15～20km的深度，张应力轴的方向分布显示以背斜为中心的幅射状态。

The seismic activity and current tectonic stress field in Shenzhen area

深圳地区的地震活动与现今构造应力场

Research on relationship between tectonic stress field and strong seismic activity in Yunnan area

云南地区构造应力场与强震活动关系研究

Under rarely and commonly seismic loads, different filling materials and filling ways, will have a greater impact on tensile compressive stress and shear stress of lightweight thermal insulation wall slab, thereby affect seismic performance of structures.

在多遇和罕遇地震作用下，不同的填缝材料和填缝方式，会对轻质保温板的剪切应力和拉压应力产生较大影响，进而影响结构的抗震性能。

Finite element calculation for seismic stress of vertical oil tank of normal pressure

常压立式储油罐地震应力的有限元计算