A procedure is developed to incorporate seismic environment and site condition into the framework of seismic vulnerability estimation of building to consider the effects of the severity and/or frequency content of ground motion due to seismic environment and site condition.
提出了一种综合考虑地震环境和场地影响的钢筋混凝土房屋地震易损性分析方法。
<Abstrcat> the seismic environment and engineering condition around the site of Mobile Communication Center in Shandong Province are briefly introduced.
简要介绍了山东移动通信枢纽工程场地所处的地震环境、历史地震影响以及工程场地条件,利用地震危险性概率分析方法确定了50年超越概率为63%、10%和2%时工程场地平均土条件下的地震烈度、基岩地震动参数,并依据一维剪切波理论进行了场地地震反应分析,得到了具体的抗震设计参数。
EXT-70 extruder is a special device used to produce explosive wire for seismic explanation and pigtail for geophone array.
EXT-70挤出机是生产地震炮线、检波器组合软电缆的专用设备。
According to the requirement of deploying seismic lines and practical needs of project production,using GIS components MapX and in combination with database Access,we developed a set of seismic lines management system functioning figure data browsing,condition checking and data leading-in/out,truly improving the properties of legacy lines management system,meeting the need of project production.
根据部署地震测线的要求和项目生产实际需求,将GIS组件MapX与Access数据库结合起来,开发出的一套具有图形数据浏览、条件查询和数据导入导出等功能的测线管理系统,切实改善老测线管理系统的性能,满足项目生产的要求。
To ensure that the seismic line layout in areas with high-steep mountains and low signal-noise ratio is helpful for the seismic execution,launching and receiving,a line assessment and semi-automatic optimization method was defined on the basis of remote sensing information through exploitation,study a.
为使高陡山地及低信噪比地区地震测线部署方案有利于地震实施、激发和接收,通过在复杂地表地震工区的探索、研究和实践,建立了基于遥感信息的测线评价与半自动优选方法。
It is theoretically proved that when a seismic ray trajectory is a straight line on an interface it may be a curve on another interface.
根据Snell定律提出了透射射线的非线性效应的概念,从理论上证明了当地震射线的轨迹在1个界面上为1条直线时在另1个界面上可为1条曲线;并进一步通过射线追踪实验证明:当地下介质为非水平层状介质时,即使对应于地面同一条直线段上的接收点,来自地下同一个界面上的反射点的轨迹仍可为一条曲线。
Study on the Characteristics of Seismic Response Analysis of Nuclear Power Plant Structure Induced by Different Earthquake Ground Motions;
不同地震环境下核电厂建筑结构地震反应特性分析
Study on Seismic Fortification of Offshore Platform Based on the Seismic Environment of Bohai;
基于渤海地震环境的海洋平台抗震设防标准研究
THE CHARACTERISTIC OF THE FREQUENT OCCURRENCES OF EARTHQUAKES IN THE BOHAI SEA AREA AND THE FOCAL ENVIRONMENT
渤海地区地震的频发性与震源环境特征
The environment, earthquake and meteorology monitoring system will be strengthened.
加强环境、地震、气象监测体系。
Assessment about the Impact of Earthquake on Ecological Based on RS
基于RS的地震灾害生态环境影响评价
Bearing-capacity Evaluation of Resource Environment for the Earthquake Disaster Area in A Ba Prefecture
阿坝州地震灾区资源环境承载力评估
There occurs few earthquakes with weak intensity in middle Tienshan region locating in special tectonic conditions.
位于特殊构造环境的中天山地区地震少，地震强度低。
CHANGES IN GEOLOGIC ENVIRONMENT AND COUNTERMEASURE AFTER TONGJING EARTHQUAKE,CHONGQING CITY
重庆市统景地震后的地质环境变化与对策
Research of Simulation the Dynamic Environment of Groundwater of the M=7.8 TangShan Earthquake;
唐山7.8级地震地下水动力环境模拟研究
Seismic Response Analysis of Underground Structures in Soft Soil and the Evaluation of Environmental Impaction
软土地下结构地震反应及其环境影响评价
A case of protecting observing environment of seismic station in Panzhihuan City
攀枝花红格地震台地震观测环境保护案例介绍与启示
Discussion on the Environmental Pollution Caused by Earthquake and Its Prevention Countermeasures--A Case of Great Earthquake with M 8.0 in Wenchuan
地震成因环境污染及其防治对策探讨——以汶川8.0级特大地震为例
Post-earthquake reconstruction and sustabal development--countryside environment design in District of South of Gansu Province;
震后重建与可持续发展——谈震后陇南地区农村的环境设计
Dynamics Research on Strong Shock Gestation in Sichuan-Yunnan and Its Adjacent Areas;
川滇地区强震孕育的深部动力环境研究
Clustering Characteristics of Spatial-temporal Distribution of Earthquakes in Different Tectonic Regions;
不同构造环境的地震活动丛集特征研究
Multi-Dimensional Seismic Response Analysis and Vibration Control of Offshore Platform under Ambient Excitation
环境激励下海洋平台多维地震反应分析及控制
Research on Eco-environment Management of the Industrial Reconstruction Process after Wenchuan Earthquake
汶川地震灾区重建产业的生态环境管理研究
Characteristics of seabed seismic wave caused by point sound source in various shallow water circumstances
不同浅海环境下点声源海底地震波特征研究