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earthquake region     
相关语句
  震区
     in Haicheng earthquake region,the principal compressive strain rate(1.276×10~(-9)/yr) is smaller than the tensile strain rate(2.940×10~(-9)/yr),where is dominated by tensile strain;
     在海城地震区,主压应变率为1.276×10-9/yr,小于主张应变率(2.940×10-9/yr),地壳以张应变为主;
短句来源
     in Bohai earthquake region,the principal compressive strain rate is-2.593×10~(-9)/yr,which is a little bit smaller than the tensile strain rate(2.947×10~(-9)/yr);
     在渤海地震区,主压应变率为2.593×10-9/yr,比主张应变率(2.947×10-9/yr)略小一些,二者比较接近;
短句来源
     At present,the principal compressive strain rate in Xingtai earthquake region is very small,with a magnitude of-0.352×10~(-9)/yr,and the principal tensile strain rate is relatively large,with a magnitude of 3.306×10~(-9)/yr,which shows that the tensile strain in this area is predominated,and the crust is in a tensional state;
     当前,邢台地震区主压应变率很小为-0.352×10-9/yr,主张应变率较大为3.306×10-9/yr,张应变占绝对优势,地壳处于拉张状态;
短句来源
     It takes earthquakes with Ms≥5.5 in Minor North China and those with Ms≥4.5 in Tangshan earthquake region for example analyses.
     对小华北地区M_S>≥5.5地震,唐山老震区M_S≥4.5地震进行了震例分析。
短句来源
     Based on the statistics,in the east of China,the period of 20~300 years after a M S≥7.0 event is a “calm time interval” of M S≥6.0 earthquakes, which is the best time to develop economic construction in the earthquake region.
     从统计结果看,在中国东部,MS≥7.0 地震发生后的20至300年是MS≥6.0后续地震的“平静”时段,震区可利用这一时期大力开展经济建设;
短句来源
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  地震区
     in Haicheng earthquake region,the principal compressive strain rate(1.276×10~(-9)/yr) is smaller than the tensile strain rate(2.940×10~(-9)/yr),where is dominated by tensile strain;
     在海城地震区,主压应变率为1.276×10-9/yr,小于主张应变率(2.940×10-9/yr),地壳以张应变为主;
短句来源
     in Bohai earthquake region,the principal compressive strain rate is-2.593×10~(-9)/yr,which is a little bit smaller than the tensile strain rate(2.947×10~(-9)/yr);
     在渤海地震区,主压应变率为2.593×10-9/yr,比主张应变率(2.947×10-9/yr)略小一些,二者比较接近;
短句来源
     At present,the principal compressive strain rate in Xingtai earthquake region is very small,with a magnitude of-0.352×10~(-9)/yr,and the principal tensile strain rate is relatively large,with a magnitude of 3.306×10~(-9)/yr,which shows that the tensile strain in this area is predominated,and the crust is in a tensional state;
     当前,邢台地震区主压应变率很小为-0.352×10-9/yr,主张应变率较大为3.306×10-9/yr,张应变占绝对优势,地壳处于拉张状态;
短句来源
     In order to assure engineering design quality of tall building and increase ductile performance in earthquake region,according to the part of enhancing seismic conceptual design of technical specification for concrete structure of tall building(JGJ3-2002) and the code for seismic design of buildings(GB50011-2001),this paper represents simplicity,entirety,regularity,uniformity,rigidity,capability of seismic and so on of structure by engineering examples.
     为了保证在地震区高层建筑的工程设计质量和提高其延性性能,依据高层建筑混凝土结构技术规程(JGJ3-2002)和建筑抗震设计规范(GB50011-2001)中有关加强抗震概念设计的部分内容,通过工程实例从建筑、结构设计的简单性、整体性、规则性和均匀性、结构的刚度和抗震能力等方面加以阐述抗震概念设计的具体运用。
短句来源
     The seismicity of the studying area (29°~35°N, 114°~120°E), which is located in the transition area of earthquake region in North China and South China, is not high, and the attenuation of intensity has its own characters in focal mechanism, radiate medium and site.
     研究区(北纬29°~35°,东经114°~120°)位于华北地震区和华南地震区之间的过渡地区,地震活动性总体水平不高,烈度衰减关系有其自身的震源特性、传播介质和场地衰减特性等。
短句来源
更多       
  震源区
     The main characteristics of seismic activity before M_S6 earthquakes are the M_S4 seismic activity pass intensity-quietude course in the same tectonics under intensity background of different periods,the seismic activity are different in the earthquake region 3 months before M_S6 earthquakes in different tectonics.
     ②新疆发生6级地震的主要地震活动特征是,在不同时段的增强背景下,构造带4级地震活动经历增强—平静过程,不同构造区震前3个月震源区的活动具有各自的特点;
短句来源
     Study on the Geological Structural Criteria on Determination of Potential Earthquake Region
     划分潜在震源区的地震地质规则研究
短句来源
     STRONG GROUND MOTION AT MEIZOSEISMAL AREA & SAFETY OF IMPORTANT ENGINEERING PROJECTS AT POTENTIAL EARTHQUAKE REGION
     极震区的地震动与潜在震源区内重大工程安全
短句来源
     According to the recent achievements in the research on the geological conditions of seismogenic structure,some criteria on determination of potential earthquake region have been studied in this paper.
     根据近年来发震构造地质条件研究的进展,本文探讨了划分潜在震源区主要的地震地质规则,具体包括潜在震源区的识别,它的位置、长度、宽度和震级上限的确定等内容。
短句来源
     Data Processing of Nearfield Earthquake Records in Zhangbei Earthquake Region and 3-D Image of Earthquake Distribution in Focal Region
     张北近场资料处理及震源区地震分布三维图像
短句来源
更多       
  地震设防区
     Design and construction of multi floor clay brick house equipped with slope roof are investigated Some earthquake proof problems are analyzed existing in potential earthquake region taking preventive measures The corresponding measures including earthquake resistant structure are recommended
     通过调查与分析 ,指出了目前地震设防区的一些多层粘土砖房的设计与施工中设置坡屋顶存在的一些抗震问题 ,并对此提出了相应的抗震构造措施 ,可供参考。
短句来源
     It provides an economical, fast and practical method for the consolidation of saturated liquefied soft foundation, and other special grounds such as silt soil and wet sacken state loess in earthquake region.
     因此 ,振冲碎石挤密桩为地震设防区的饱和可液化软地基加固和杂填、淤泥质、粉沙土及湿陷性黄土等特殊地基处理 ,提供了一种经济、快速、实用的有效方法
短句来源

 

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      earthquake region
    Seismicity in the Vogtland/Western Bohemia Earthquake Region Between 1962 and 1998
          
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    The main subjects in relation to the earthquake resistant design of earth dams such as the determination of seismic forces acting upon earth dams and their foundations,the evaluation of dynamic properties of soils under seismic actions,the method of analysis of seismic stability of earth dams and the engineering measures in earthquake resistant de- sign of earth dams are reviewed systematically based on literatures and data which are available to the author. The works done by Matumura,Mononobe,Hatanaka,Ambraseys...

    The main subjects in relation to the earthquake resistant design of earth dams such as the determination of seismic forces acting upon earth dams and their foundations,the evaluation of dynamic properties of soils under seismic actions,the method of analysis of seismic stability of earth dams and the engineering measures in earthquake resistant de- sign of earth dams are reviewed systematically based on literatures and data which are available to the author. The works done by Matumura,Mononobe,Hatanaka,Ambraseys and Napetvaridze on the dynamic theories of seismic forces of earth dams are specially reviewed,also the prevalent practices in USSR,Japan,America,etc.about the method of calculation of seismic forces of earth dams are mentioned. On the subject of dynamic properties of soils under seismic actions the stress-strain relationship,damping characteristic,shear strength and pore pressure of the soil and soil mass are discussed. Following a brief review of the methods of analysis of seismic stability of earth dams the paper presents a table compiling records of the seismic behavior of thirty two earth dams in several earthquake regions of the world.According to the actual behavior of earth dams at earthquakes the author calls attention to the designers how and why it is necessary and important to take special engineering measures in earthquake resistant de- sign of earth dams,even though many of those measures may be entirely empirical at present stage of our knowledge. Finally,the author recaptulates a few topics for further research and future develop- ment.

    本文对土坝抗地震设计中有关地震荷载、土的动力性质、土坝地震稳定分析方法和防震工程措施等方面的问题,进行了综合论述.在土坝地震荷载方面,着重介绍了日本松村、物部和畑中,英国恩伯拉散斯(N.N.Ambraseys)和苏联那比脱伐列齐等人所做的工作,以及目前在苏联、日本和美国等土坝设计中关于士坝地震荷载估算方面的实际执行情况.关于土在地震动力作用下的特性方面,文中主要介绍和讨论了目前上坝地震动力分析理论中所采用的土的应力应变关系和阻尼问题,以及土坝地震稳定分析中所需考虑的土的抗剪强度和孔隙压力问题.关于土坝地震稳定分析方法和防震工程措施方面,文中在简单介绍了目前一般采用的土坝地震稳定静力分析方法之后,又根据世界上若干地震区土坝实际情况的记载,提出土坝防震工程措施的重要性,和在地震区设计土坝时应注意的问题.文中最后并提出了今后研究工作的初步意见.

    A strong earthquake (M = 7.9) occurred in the Lu-huo county, Ganzi Zang Auto-nomous Zhou, Sichuan Province, on Feb. 6, 1973. Its epicentral intensity is 10. The earth-quake fracture zone passing through the epicentral region extends to 90 km along the Xian-Shui Eiver (鲜水河) valley. Fractures are principally of the tensile-torsional type accompanied by a few structural planes of compression find torsion. There are four types of fracture patterns in combination, namely: reversed "ξ" type, oblique type, sawtooth...

    A strong earthquake (M = 7.9) occurred in the Lu-huo county, Ganzi Zang Auto-nomous Zhou, Sichuan Province, on Feb. 6, 1973. Its epicentral intensity is 10. The earth-quake fracture zone passing through the epicentral region extends to 90 km along the Xian-Shui Eiver (鲜水河) valley. Fractures are principally of the tensile-torsional type accompanied by a few structural planes of compression find torsion. There are four types of fracture patterns in combination, namely: reversed "ξ" type, oblique type, sawtooth type and grid type. They reflect mainly horizontal movements. The maximum horizontal displacement is 3.6m, while, vertical throws amount to 20-30 cm. In this paper we try to investigate the mechanics of every type of ground fractures created by this earthquake, and in combination with the existing geological background to discuss the stress in this earthquake region and the - origin of the earthquake. From the fact that the position of the earthquake fracture zone, its mechanics and movements are rather similar to that of the Xian-Shui Eiver fault, it can be inferred that the Lu-huo earthquake represents the most recent activity ,ofXian-Shui Eiver fault, and should be the necessary result of its movement.

    1973年2月6日,四川省甘孜藏族自治州炉霍县发生了7.9级强烈地震,震中烈度为10度,通过震中区沿鲜水河谷产生了长达90公里的地震裂缝带。裂缝以张扭性的为主,伴有少量压性和扭性结构面,其组合型式有反“多”字型、斜列式、锯齿状和棋盘格式等四种,反映的运动方式以水平运动为主,最大水平错距达3.6米,垂直落差都在20—30厘米。本文着重研究了这次地震所产生的各种类型地裂缝的力学特征,结合地质构造背景探讨了地震区应力作用方式及地震成因。从地震裂缝带出现的位置、力学性质、活动方式与鲜水河断裂相一致来看,这次地震是鲜水河断裂的最新活动,是该断裂运动的必然结果。

    Having calculated the variation of the average dislocation values F before and after the Haicheng earthquake, it can be seen the result is similar to that of the Xingtai (邢台) earthquake region. Accordingly, we may think that, the value of F probably is helpful in predicting large earthquakes.

    计算了海城大地震前后平均断错F的变化,其结果与邢台地区相似。这表明F值可能做为预报大地震的一种方法。

     
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