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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法，我们为您准备了出自英文原文的大量英语例句，供您参考。 | |
The detection of potential seismic sources here and long-term prediction of earthquakes are extremely important for the assessment of seismic hazard and seismic risk in this densely populated and industrially developed region of the country.
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It is feasible to analyze seismic risk by comparing geodetic strain rate with seismic strain rate based on the opinion that strain energy will be released through earthquake.
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Finally, a risk assessment methodology, based on bridge vulnerability, is also developed to assist in decisions for reducing seismic risk due to failure of bridges.
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SFEM-based seismic risk analysis of nonlinear structures using sequential RSM
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Seismic risk analysis of frames with uncertain support and PR connection conditions
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Assessment of seismic hazard in the North Caucasus
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The detection of potential seismic sources here and long-term prediction of earthquakes are extremely important for the assessment of seismic hazard and seismic risk in this densely populated and industrially developed region of the country.
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The results can be used both directly and for the zonation and prediction of seismic hazard within the zone of solidly frozen rock, and also for the case where the temperature regime of the frozen rock has been changed or disturbed.
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The predicted seismic loss of the cell was then estimated from the seismic hazard probability function, its GDP and the empirical relation between GDP and seismic loss.
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A simplified approach to the global seismic hazard assessment
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Earthquake risk assessment for Istanbul metropolitan area
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For the development of the earthquake risk scenario in Istanbul, two independent approaches, one based on intensities and the second on spectral displacements, are utilized.
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Public Support For Earthquake Risk Mitigation In Portland, Oregon
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At that time it was of importance in earthquake prediction because the nonrandomness in earthquake series gave rise to the hope that some useful message for predicting earthquake risk in the future.
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This study can help us to understand deeply the relation that the features of ambient stress states bear with the seismogenic process and the potential earthquake risk zone.
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Earthquake hazard parameters such as maximum magnitude, annual mean seismic activity rate, and the Gutenberg-Richter parameter, have been evaluated for the Hellenic and Cyprean Arc regions of the Eastern Mediterranean.
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Overcoming obstacles to implementation: addressing political, institutional and behavioral problems in earthquake hazard mitigat
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Fault parameters are important in earthquake hazard analysis.
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Reconstruction of earthquake hazard in regions of sparse seismic monitoring
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Earthquake hazard can to a large extent be reduced by formulating and enforcing appropriate building codes.
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| | All the practical seismic risk analysis models are of subjective nature, the difference between them and the real prototypes includes uncertainties of two kinds of different nature, namely, the random error between the practical model and the ideal model or the objective uncertainty. This paper will discuss the influence problem of the subjective uncertainty on the attenuations law when the uncertainty is objectively corrected. Two methods for correcting attenuation law of the earthquake motion obtained usi... | | 实际使用中的危险性分析模型均带有主观的性质,其与现实原型之间的差异包含两种性质不同的不确定性,即现实模型与理想模型之间的主观不确定性,和理想模型与现实原型之间的随机误差或客观不确定性。本文具体讨论对衰减规律作(客观)不确定性校正时主观不确定性的影响问题。文中分析了衰减不确定性校正的两种做法,即在危险性分析中直接校正和先忽略衰减不确定性,求得危险性曲线后总校正的做法,讨论了两者的等价性,并用半定量的方法指出影响校正因子的主要因素,即衰减公式的标准差。文中指出现行衰减不确定性校正中明显存在以下主观不确定性问题:使用等震线等效圆半径或等效椭圆长短轴建立烈度衰减规律必然低估标准差,从而低估地震危险性;以现行借用法得到的地震动参数衰减规律通常高估标准差,从而高估地震危险性。文中提出了修改借用法借用原则的建议。 | | 文摘来源 | | On the basis of assessment on the capacity to reflect seismicity of the existing precursor observation network in the capital area, the authors proposed the principle and measure for increasing the capacity of the network in this paper. The principle is established based on the research results concerning about the recent seismic risks and aiming at the earthquake precursors from the source, the focus is put on the information of the imminent and short-term anomaly. The measure taken here includes modifying... | | 本文以首都圈地区现有前兆台网的映震能力评价为基础,提出了前兆台网强化的原则与方法。强化的原则是,以近期地震危险性研究成果为依据,以捕捉源兆信息为目标,以捕捉短临异常信息为重点。强化的途径是,对现有布局作适当的调整与优化,布设电磁波与断层土壤气为主的前兆台网,建设地下流体综合观测站与构筑地震前兆的立体化观测系统。 | | 文摘来源 | | Based on a great deal of reliable and the newest data of fault activity, this paper applied three methods, i. e. the qualitative, the quantitative and synthetical ones, to evaluate the risk of strong earthquakes in the research area. The qualitative method is an analytical one combining the fault activity with the strong seismic structure. On the basis of the analyzed and identified results of 25 faults in the area, including the newest activity, active time, activity and fracturing segmentation and combini... | | 本文以最新的断层活动性资料为基础,采用定性、定量、综合三种方法评估研究区的强震危险性。定性的方法即断层活动性与强震构造相结合的分析方法。根据区内25条主要活动断裂进行最新活动时代、活动性质、活动性分段、破裂分段的分析与鉴定的结果,结合断层本身的强震构造标志,对发震断层进行危险性分类。定量的方法即强震消逝率的计算方法。为了解决6—7级地震的危险性预测问题,在活断层资料基础上,建立了研究区中强震重复率(R)与震级(M)及断层活动速率(V)的统计关系。综合评价的方法即断层地震危险度的综合评定法。在评定断层地震危险度时,引进了断层能动度、失稳度的评价方法,解决了断层无震或小震蠕滑和滑动闭锁段的评价和预测问题。本文最后把三种方法的评价、预测结果进行综合分析,使之互相验证、互相补充,提高了最终预测结果的可靠性。 所作的强震预测包括三个要素:强震的地点(范围)、震级档次及发震时间的逼近度(分等级)。 | | 文摘来源 | | | | << 更多相关文摘 |
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地震危险性
seismic risk
2008 CNKI－中国知网