中俄地震危险性评估措施对比探讨[俄语论文]

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地动风险性评价在工程构造的抗震设计和地动设防计划和当局政策中起侧重要的感化。在中国,地动风险性区划图是国度尺度。因为区划图在一些年夜地动中的掉效,例如2017年的汶川地动,人们希冀改良编制区划图的办法。改良的个中一步就是回想办法的成长状态。上世纪50年月,中国的第一张地动风险性区划图在苏联专家的指点下编制完成。在这异常长久的协作以后,两国的研究办法分离以分歧的措施成长,并在80年月胜利地引进了地动风险性剖析的几率办法,两国的迷信家都对其做出了整体上类似细节上分歧的改良。本文具体比拟了中国和俄罗斯的研究办法,重要在潜伏震源区的辨认和划分和震源区域边疆震运动性参数的估量方面。潜伏震源区重要从地动记载和给定震级下限的地质结构来辨认。最主要的尺度是该地域地球物理数据材料中的最年夜不雅测震级、运动断层、盆地、褶皱和地壳构造。震源区由多个品级步调规定,从一个年夜区划到小区域,以确保不会低估年夜地动的产生几率,由于更年夜的地域会有更充足的数据,并在地动运动性和结构前提在一切地域的可以具体辨别,和在一切可以具体辨别的地域地动运动性和结构前提的差别来规定。在中国的规定是在笼罩震中和地动结构地图上的手工任务,而俄罗斯的同业迷信家们尽力树立一个带有模子的体系法式,好比Fractal Lattice模子,并对有足足数据的区域界说三维震源。在中国震源类型分为三种,线性震源分为Ⅰ型、Ⅱ型和Ⅲ型,俄语论文网站,面震源分为有明白偏向和没有明白偏向两种,在俄罗斯也有三种,地动线性结构(seismo一lineament)地动区域结构(seismo一domain)和潜伏震源,前二者和中国的Ⅰ型和Ⅲ型很类似,后者强调有显著洼地震风险性的区域。在两国,地动运动性参数也是分多个步调来估量的。统计任务获得初步的参数,从区域的N一M中估量MUz, μ和b的值,然后将全部年夜区域内每一个震级对应的年超出几率以一组权重系数分派下去。在中国,权重系数是依据综合斟酌了地动特征,结构和地壳静态迹象等估量获得,而在俄罗斯,是依据地动线性结构(seismo一lineament)的长度估量得出。成绩表现在权重下面,系数的估量相当艰苦,进一步的研究希冀获得一个符合逻辑的办法来增长一切证据的进献。地动动衰减关系的情势纷歧样,俄语论文题目,然则震源机制、地动波的流传门路在衰减关系中是类似的。在没有充足的地动动记载的区域树立衰减关系的办法是分歧的。地动风险性的盘算办法根本类似,只是中国采取的椭圆模子,俄罗斯采取的圆形模子。作为一个例子,比拟了一个横跨黑龙江和两国边疆区域的地动风险性评价。成果显示,对地质情况的懂得和地动风险性的成果没有太年夜异同。引见了运用SPOT5图象解译,实地查询拜访和依兰一伊通断裂谷的地沟,中国南方地域有名的郯庐断层。成果显示,在72500一4800年前产生过一次?级地动,在晚期该区域没有产生过跨越6级的地动。断层延续到俄罗斯的远东,名为郯庐鄂霍次克海裂谷系。建议从更过细的数据来研究该断层能否活泼。

Abstract:

The earthquake risk assessment has main effect in engineering structural seismic design and seismic fortification plan and policy authorities. In China, risk zoning map is a national scale earthquake. Because zoning map in some of the eve of the earthquake off the effect, such as the 2017 Wenchuan earthquake people hope to improved preparation of zoning map. One step in the improvement is to think about the growth of the method. 50's of the last century, the first risk zoning map of earthquake China in the Soviet Union under the guidance of experts completed. After this abnormal long-term cooperation, the two research methods separation to differences of growth and in victory in the 1980s, introduced the methods of earthquake hazard analysis of the risk, scientists of the two countries are on the made on the whole similar to the differences on the details of improvement. In this paper, the research methods of China and Russia are compared. The identification and classification of the potential source area and the estimation of the parameters of the focal region of the earthquake are important. The latent focal region from the geological structure of earthquake records and to identify a given magnitude lower limit. The most important measure is the largest and most large scale, fault, basin, fold and crustal structure in the regional geophysical data. Focal region by multiple grade pace provisions, from a big division to small area, to ensure not to underestimate the big earthquake occurrence probability, due to the greater region will have a more adequate data, and in the earthquake motion and structure in all regions can be identifying specific, and in all of identifying specific regional earthquake motion and structure of different provisions. In accordance with China is enveloped in the epicenter and earthquake structure map of manual tasks, and Russia's trade superstition scientists try to establish a model system procedures, like fractal lattice model, and the full data definition of regional three-dimensional source. In China source types are divided into three kinds, linear source is divided into type I and type II and type III, seismic plane divided into clear bias and didn't understand the bias of two, in Russia there are three, the linear structure of the earthquake seismo have earthquake regional structure (seismo a domain) and latent Fu Zhenyuan, is similar to the first and the second and the type I and type III, the latter emphasizes there are significant depression of seismic risk area. In both countries, the earthquake motion parameters is divided into a number of steps to measure. Statistical tasks are obtained from the initial parameters, the value of B, MUz and N from the M of the region, and then to a group of weight coefficients assigned to each of the large scale in the whole region. In China, the weight coefficient is on the basis of comprehensive consideration of the characteristics of the earthquake, the structure of the crust and static signs measure obtained, and in Russia, according to the earthquake linear structure seismo have the length of estimated. Performance under the weight of the weight, the measure of the coefficient is quite difficult, and further research is expected to obtain a logical approach to the growth of all evidence of the offer. Earthquake motion attenuation relationship situation divergent samples, however, focal mechanism, earthquake wave spread channels in attenuation relationship is similar to that of. In the absence of adequate earthquake records to establish regional dynamic attenuation relationship method is different. The earthquake risk calculation method fundamentally similar, just take the China elliptic mold, Russia take circular mold. As an example, a comparison between Heilongjiang and the border region of the earthquake risk assessment. The results show that there is no significant difference on the geological conditions of the earthquake risk and understand results. Introduces the application of SPOT5 image interpretation, field query visit and Yilan Yitong rift valley of the waste, China Southern region famous Tanlu fault. The results show that 4800 years ago, 72500 years ago? In the earthquake, the area had no advanced across the 6 earthquake. Fault extended to Russia's Far East, called the sea of Okhotsk Tanlu rift system. Advice from more detailed data to study the fault can be lively.

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