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exceeding probability
    The research results indicate that the earthquake degree is 6, considering the exceeding probability to be 10 percent in the future 50 years.
    本次工作通过地震危险性分析得到50年10%超越概率时地震计算烈度为6.0度。
    In case the earthquake intensity of a city with a 10% exceeding probability lies between 6.5°~6.8°,7.5°~7.8° or 8.5°~8.8°,the optimal fortification intensity and earthquake parameters of such a city can be determined by the engineering policy-making analysis of the results of seismic hazard and condition of the city combining with the aseismic fortification delimitation of the city.
    但在50年超越概率10%的地震烈度为6.5°~6.8°、7.5°~7.8°、8.5°~8.8°范围内时,可根据该城市的地震危险性分析结果以及城市的规模等,结合城市的抗震设防区划进行工程决策分析,确定这类城市最优的抗震设防烈度或地震动参数.
    The geometrical nonlinearity behaviors are investigated for the two finite elementmodels (four cases in total) of the cable-stayed bridge induced by earthquake of 50exceeding probability P1 and P2. The elastro-plastic hehaviors (set plastic hinges) oftower bottom are considered by using the single component model, the materialnonlinear deformation checking is made under the seldom earthquake.
    其次研究了斜拉桥的两种有限元计算模型(共 4 种工况)分别在 50 年超越概率 P1、P2地震作用下的几何非线性性能。 最后通过采用单分量模型来模拟桥塔底部的弹塑性性能(设置塑性铰),并对其进行了罕遇地震作用下的材料非线性变形验算。
    The relationship between wave parameters and wave loads is investigated. The exceeding probability of design waves with different wavelength is calculated based on the wave data of long-term distribution.
    对浮体在波浪中的荷载与波浪参数的关系进行了计算和对比分析,并对船舶遭遇海况的超越概率和波浪载荷的长期分布进行了计算。
    (4) The results of earthquake damage predicting of buildings embody the damage when earthquake happens in the future. Thus, further identifications and reinforcements should be considered to buildings that will be destroyed intermediately or more under the earthquake with 10% exceeding probability in future 50 years;
    ④ 建筑物的震害预测结果体现了未来地震来临时的震害程度,在编制漳州市区抗震防灾规划时,对于遭遇50年超越概率10%的地震影响发生中等以上破坏的建筑物应考虑进行抗震鉴定和加固;
    This results in conservative fortification and large investment against earthquakes. The third generation seismic division map (1990) gives the intensity under 10% exceeding probability in 50 years. The fourth generation seismic division map (2001) adopted the same exceeding probability.
    我国现行的地震烈度区划图(1990)给出的是未来50年超越概率10%水平下的烈度值,“中国地震动参数区划图(2001)”也采用了相同的超越概率水平。
    It can compute the contribution of characterastic earthquakes and possion earthquakes to exceeding probability. Finally it synthetizes both of them as an exceeding probability of potential surface displacement of active fault segments associated with earthquakes.
    评价了特征地震对工程场点位移超越概率的贡献,以及各档泊松地震对工程场点位移超越概率的贡献,最后将以上两种贡献求全概率得出地震活动断层段潜在地表位移超越概率
    Through the basic computation above, the following results can be acquired: (1)Any construction site' s exceeding probability on a fault segment or displacement value under some exceeding probability in a period of time.
    通过以上这样一个基本的运算,最终可以求得:①断层段上任何一个工程场点在未来一定时段内,某一超越概率水平下的位移值,或者超越某一位移值的概率。
    (2)with the same displacement value, any construction site' s exceeding probability or the location where exceeding probability reachs some value.
    ②断层段上未来一定时段内,在相同位错水平下,任何场点的位移超越概率,或者达到某一位移超越概率的场点相对位置。
    It is discovered that the Basic Intensity offered by the Zoning Map is roughly equivalent to an average intensity level with exceeding probability of 0.14 in 50 years.
    结果发现区划图上所提供的基本烈度大致相应于50年内超越概率为0.14的烈度水平。
    It is different from the seismic zoning maps of China which were compiled in 1957 and 1977. The users concern the concept of exceeding probability and probability level of 0. 1 in 50 years adopted by the new zoning map.
    人们普遍关注该图与我国曾经编制的地震区划图(1957年版,1977年版)的区别,该图超越概率概念的内含和外延以及超越概率水平为什么采用50年超越概率0.1。
    Occurrence probability of intensity and exceeding probability of intensity are all important indicators of seismic hazard for a given site.
    地震烈度发生概率和地震烈度超越概率都是衡量场地地震危险性的重要指标。
    The influence of the uncertainty of the seismicity parameters to the seismic zoning depended on level of exceeding probability. The maximum difference for execeeding probability 0. 1 in 50 years are from 0. 5 to 0. 9 intensity scale.
    地震活动性参数的不确定性,对地震烈度区划结果的影响大小,随概率水平高低而有所不同,当50年超越概率为10%时,最大差别在0.5~0.9度。
    The results show that the seismic intensity with a 10% exceeding probability in 50 years can be taken as the aseismic level of a city in China.
    分析结果表明,我国城市的抗震设防标准可以以50年超越概率10%的地震烈度作为标准.
    service years, earthquake occurrence exceeding probability, and the characteristics of north construction. Strengthening economic effort effects society enduring ability for Ⅵ earthquake intensity area. The three step methods of quake evaluation is provided, and depending on this method to direct quake strengthening for engineering.
    针对六度区抗震鉴定与抗震加固问题,从工程结构的重要性、结构服役年限、发生地震的超越概率、北方地区建筑结构的特点、加固投入经济效益及社会承受能力等方面综合论述了抗震鉴定及抗震加固应采取的策略,提出了抗震鉴定的图纸鉴定、抗震鉴定计算分析、专家知识鉴定三阶段方法,并以此来指导抗震加固,使加固的经济投入最少.
    With reference to the existing determination and evaluation about seismic intensity in Shenzhen region,according to the analysis of seismogeology and the calculation of exceeding probability,and in consideration of importance of the conveyance water tunnel engineering,the nearly east west line between ZD 2 and ZD 3 of the tunnel is taken as the zonation boundary of seismic intensity,north of which belongs to an intensity of Ⅵ and south an intensity of Ⅶ.
    在前人对深圳地区地震烈度的鉴定和评价基础上 ,结合地震地质分析和地震危险性超越概率计算 ,确定深圳市东水西调输水工程以ZD2 与ZD3之间近EW向一线为界 ,以北地震基本烈度定为Ⅵ度区 ,以南属于 >Ⅵ度区 ,核定为Ⅶ度区。
    The exceeding probability of the map is 10% within 50 years. The scale of the map is 1:4 000 000. These maps serve as the national standard.
    该区划图风险水平为 5 0年超越概率0 .1,比例尺为 1∶4 0 0万 .
    Finally, Based on Newmark Stepbystep time integration method, the dynamic response of the tunnel is analyzed under three seismic load situations: 63% exceeding probability, 10% exceeding probability, and 2% exceeding probability in 100 years. The stress and the displacements in liner and in tiein are determined.
    运用Newmark隐式时间积分方法,计算了100a超越概率63%,10%和2%地震动作用下沉管隧道的反应,确定了管身段和接头部位的应力和位移.
    According to the need of design code for anti-seismic of engineering constructure,the bedrock peak acceleration rate and response spectrum of exceeding probability of 63%,10% and 2% are(given) respectively and seismic motion parameters are also calculated,which will provide the evidences for anti-seismic design of this electric power equipment station.
    按工程建筑物抗震设计规范要求,分别给出了50年63%、10%和2%超越概率水平的基岩峰值加速度及反应谱,计算出地震动参数,为该电力设备站建设提供了抗震设计依据。
    To extend the fatigue loading,it is important to get the maximal loading by exceeding probability 10 -6 . The corresponding schemes are discussed to obtain the maximal loading for two dimensional fatigue design spectrum with probability extrapolation-steepest descent method,and 8×8 two dimensional fatigue design spectrum is established.
    并由超越概率10-6对载荷进行外推,研究了确定多工况下二维疲劳设计谱中载荷最大值的概率推断——最速下降法的计算方法和步骤。 实例的分析与比较,说明该方法是合理的和准确的,并由载荷最大值的分级和计算,编制了多工况下的8×8的二维疲劳设计谱。
 

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