In this paper, the method of extremum of the product function is used to analyze upper bound seismic base shear force of the existing overpass and the calculation formulas are gotten.
本文利用积函数极值法，从地震作用的角度出发，推导并建立了已建立交桥桥墩的基底剪力的表达式。
Strong reflections from seismic profiles indicate a discontinuity at the base of the gas hydrate zone.
来自地震剖面的强烈反映表明在气体水合物区域的基础之上存在不均匀受力的情况。
And the attenuation studies of seismic wave in the laboratory have provided studying base for the mechanism studies.
而实验室中对地震波衰减的研究为衰减机理提供了研究基础。
Base on the norm analysis of seismic signals and the structural system, the mixed optimal control index J is cited; and its physical implication is defined.
在地震信号和建筑结构系统的范数分析基础上，使用了混合控制优化指标J作为优化目标，并给出其物理含义。
The extract of seismic wavelet is the base of wave impedance inversion and forward modeling.
地震子波的提取是波阻抗反演及正演模拟的基础。
Sedimentary facies study integrating drilling, log and seismic data and using sequence stratigraphy is a base of petroleum exploration.
综合钻井、测井和地震资料，用层序地层学方法进行沉积相研究是油气勘探的基础。
Base on feature of seismic data obtained and geological problems resolved in ore prospecting, it is completely required to research a seismic method suited to metallic ore exploration.
根据金属矿地震资料的特点和拟解决的地质问题，研究一种适合金属矿区开展地震勘查的方法技术是十分需要的。
As a new seismic building technology, base isolation has been applied widely.
基础隔震技术是一种新兴的建筑抗震技术，已获得了广泛的应用。
Test results show that the rolling base isolation is very effective for reduction of seismic response of superstructure in comparison with the fixed base structure.
结果表明，与基础固定结构相比，隔震体系对上部结构的地震反应具有明显的隔震效果。
Distinct seismic reflection configuration reveals the subsurface structures, which provides a solid base of accurate seismic data interpretation.
清晰的地震反射结构突出了特定的地质现象，为地震资料的准确标定提供了依据。
The anchorage performance of steel column base of large span structure is one of the key problems in seismic design.
大跨结构柱脚锚固性能是抗震设计的关键之一。
The article introduces instrument configuration of Xinjiang digital seismic station, and analyzes and calculates station base noise of 23 Xinjiang digital seismic station.
介绍了新疆数字地震台仪器的配置，对新疆23个数字地震台站台基噪声进行分析计算。
"Captain, " Vanessa managed to shout above the noise, "the seismic sensor indicates an intense gravity field underlying the base! "
“舰长”，范妮莎努力的把声音盖过噪音，”地震传观器显示在基地下面，有一个强力引力区域。”
The seismic local dynamic effect of the storage tank has been emphatically analyzed on the base, and the continuous mass inertial force in the element is considered.
储罐在受到地震作用时，经常会产生严重的次灾害，在进行储罐结构地震分析时，必须考虑局部动力效应的影响。
Base on the analysis above, influences of vehicle-bridge caused by vehicle speed, running in one or two direction, various seismic loads and the seismic traveling wave effect are analyzed.
在此基础上分析了不同车速、单双向行车、不同地震波和考虑地震行波效应对车桥系统的影响。
In this paper, the seismic reduction effectiveness and earthquake response of building with a twelve stories frame-shear wall structure adopting base seismic isolation is studied.
本文以一幢十二层框架—剪力墙结构作为研究对象，探讨采用基底隔震技术后的减震效果及其地震反应的特点。
The seismic response characteristics of vertical irregular base-isolated structures are analyzed by a practical example.
以一实际工程为例，分析了竖向不规则隔震结构的地震反应特点。
Through construct tight branch collection of orthogonal wavelet base, we find that tight branch collection of orthogonal base wavelet function resembles real seismic wave.
构造紧支集小波正交基时发现：紧支集正交小波基函数与地震波极为相似，比较适合地震资料处理。
Finally, the seismic responses of a double - towers masonry building linked by spatial corridors with enlarged base at the bottom a...
文末对大底盘双塔棱带连廊砌体结构房屋的地震反应作了计算和讨论。
The evidence from seismic tomography indicates that the vortex tectonics is a consequence of the effect of upward mantle vortex on the base of lithospheric plate.
根据层析成像资料推测，上述涡旋构造是上升型地幔涡旋对岩石圈板块底界驱动作用的结果。
The manufacturing technology of seismic charge with high detonation velocity containing single base propellant and double base propellant is researched.
研制含单基药、双基药的高爆速震源药柱+，并对其制造工艺进行了研究。
The elastic time processing analysis of base sliding seismic isolation.
基础滑移减震的弹性时程分析。
Calculation results of the nonlinear time-history analysis show that using the technology of base-isolating in frame-shear wall structures can increase the structural seismic capability.
整体结构的非线性时程分析结果表明，在高烈度抗震区采用基础隔震技术，框架-抗震墙结构中通过基础隔震技术可以提高结构的抗震安全储备。
The analysis shows that the top and base seismic reflectors can be tracked accurately by calibration of well log and VSP data.
利用测井和垂直地震剖面 （VSP）资料对地震剖面进行联合标定 ，可以准确地标定出火成岩的顶、底地震反射层。
In this paper, the analysis and design method of base seismic isolated and energy dissipated structure using the MDOF model has-been studied.
本文利用层剪切模型探讨了隔震、消能减震结构的分析和设计方法。
The result of the seismic vulnerability analysis is presented as a map of seismic vulnerability analysis. The total index m is the base for compiling a map of vulnerability analysis.
地震易损性分析的结果是地震易损性分析图，总的易损性指数M是编制易损性分析图的依据。
There are three types of seismic isolating soil, base and upper structure seismic isolating.
隔震可分为地基隔震、基础隔震和上部结构隔震三种类型 。
There are three types of seismic isolating soil, base and upper structure seismic isolating.
隔震可分为地基隔震、基础隔震和上部结构隔震三种类型 。
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