1) ductility reduction factor
延性折减系数
1.
Seismic ductility reduction factor for MDOF shear structures;
剪切型多自由度结构体系抗震延性折减系数
2.
In order to analyze the characteristic of the seismic strength demand for shear-type structures,this paper analyzes the relationship between ductility reduction factors and displacement ductility factors with structure natural vibration period by the nonlinear time-history analysis of single-degree-of-freedom systems subjected to earthquake ground motions in different site conditions.
为了研究剪切型结构抗震强度需求的变化规律,本文基于单自由度体系的非线性时程分析,研究了不同场地条件下延性折减系数与位移延性系数和结构自振周期的关系;采用修正等效单自由度体系位移延性折减系数的方法,研究了剪切型多自由度体系的延性折减系数;以基于中国建筑抗震规范设计的代表不同抗震能力要求的RC框架结构为分析对象,通过静力弹塑性分析,研究了RC框架结构的体系超强能力。
3.
Structure ductility reduction factor is a key parameter to reduce elastic seismic strength demand to arrive at the design level in building seismic design.
结构延性折减系数是抗震设计中把弹性抗震强度需求折减到弹塑性设计水准的关键参数。
2) reduction factor
折减系数
1.
Determination of creep reduction factor of geosynthetics by time-temperature superposition;
时温叠加法确定土工合成材料蠕变折减系数
2.
Creep reduction factor of geosynthetics;
土工合成材料的蠕变折减系数
3.
The author introduces two calculation models of the manual hole digging pile wall protection,attempts to use the reduction factor methods considering the spatial effect,verifies the feasibility of the method combined with the concrete the numerical example,which provides the reference for the similar projects.
介绍了两种人工挖孔桩护壁的计算模式,在抗滑桩护壁设计中尝试采用考虑空间效应的折减系数方法,并结合具体算例,验证了该法的可行性,为类似工程提供了参考依据。
3) discount coefficient
折减系数
1.
The Experimental research of discount coefficient of gangue concrete filled steel tubular columns under bias compression on the basis of uniform design;
钢管煤矸石混凝土偏压柱折减系数的均匀设计试验研究
2.
Fuzzy comparison on the discount coefficient of concrete fatigue strength;
混凝土疲劳强度折减系数的模糊比较
3.
And others compromise, they multiply a discount coefficient by static water pressure as the calculated water pressure acted on the outer boundary line of lining.
关于处在渗流场中的隧道衬砌所受的水荷载,不同的规范有着不同的规定,有的按静水压力来计算,忽略渗流的影响;有的则认为因为隧道的排水消除了作用在衬砌上的外水压力,所以结构不受水荷载作用;有的则比较折中,将静水压力乘上一个折减系数作为作用在衬砌外边线上的计算水压力。
4) reduction coefficient
折减系数
1.
The emphases are especially given to: (1)When full-sealing water proofing lining is employed, no reduction coefficient for the water pressure should be considered into account no matter how small the permeability coefficient of the ground is.
二是只有透水的衬砌(或设置排导系统)才能考虑水压力折减系数。
2.
The reduction coefficient of SATWE total information,regidity reduction coefficient of linking beam,increment coefficient of beam regidity and so on were generalized.
对SATWE总信息中周期折减系数、连梁刚度折减系数、梁刚度增大系数、梁端负弯矩调幅系数等参数的取值进行了总结,探讨了SATWE计算结果的分析、判断和调整,并介绍了结构薄弱层的概念和控制,以供参考。
3.
This paper calculated the reduction coefficient "β" of the soil among piles by the formula from the Technical code for ground treatment of buildings that is used for calculating the bearing capacity of the composite foundation.
对粉喷桩在营口地区的加固效果进行了探讨与评价;并根据试验结果,与《建筑地基处理技术规范》[1]中复合地基承载力公式进行了对比分析,反算桩间土承载力折减系数β,针对营口市区不同地基土质条件,提出粉喷桩复合地基桩间土承载力折减系数β的取值范围,为营口地区粉喷桩复合地基设计提供参考。
5) reduced coefficient
折减系数
1.
This study gave the reduced coefficient of c,φ(equal to 1.
本文给出了长春地区回填土c,φ值的折减系数(分别为1。
2.
The paper presents the method that the ratio of the volume of pile and soil in the ambient range of pile group is used to express the new reduced coefficient and in which the p-y curves of pile group after reduced are adopted as horizontal interaction model.
应用有限单元法应用程序对不同群桩效应系数下大直径钻孔灌注桩的群桩效应进行了较为深入系统的数值分析,提出了以群桩周边包络线范围内的桩身体积与土体体积(含桩体积)之比作为新的折减系数,并采用该系数对单桩p-y曲线进行折减后得到的群桩p-y曲线作为桩土横向作用模型,对大直径钻孔灌注桩的群桩效应进行非线性分析,比传统方法具有一定的优越性。
3.
According to Rankine earth pressure model considering deformation presented by the author,the reduced coefficient of an active earth pressure is explored theoretically.
根据作者提出的考虑变形的朗肯土压力模型 ,对主动土压力折减系数进行了理论上的探讨 ,结果表明 :(1)主动土压力折减系数随内摩擦角的增大而减小 ;(2 )随着位移量的增大 ,主动土压力折减系数也相应的减少 ,并利用离心模型试验的结果进行了验证。
6) rigidity-reduction method
折减系数法
1.
Comparison of the actual behavior resulting from the testes and those from the pseudo-static method and rigidity-reduction method indicates that the dynamic p-y curves from the tests and f.
将试验得到的实际p-y曲线与采用拟静力法和以API规范为基础的折减系数法计算出的p-y曲线进行对比,结果表明:(1)液化土层中试验得到的桩真实p-y响应及由拟静力法和折减系数法得到的结果都呈非线性变化,三者极限状态有接近一致的趋势,但变化过程差异明显;(2)采用拟静力法和折减系数法都会使液化土层桩基础侧向反力迅速增长,很快达到屈服极限,远远超过实际情况,会导致相当保守的结果;(3)液化进程中控制桩p-y响应的是土体位移而非惯性力,因而拟静力法和折减系数法的原理不适合桩-液化土体动力相互作用分析,不能用于液化土层中桩基础地震响应的计算。
补充资料：减容系数
分子式：
CAS号：
性质： 又称减容比。指放射性废物处理前后的体积缩小系数，是衡量处理方法及处理效果好坏的重要指标之一。一般来说其大小取决于处理方式，但与原始废物的性质也有关。减容系数越大则处理后废物体积越小，有利于运输、贮存和最终处置。
CAS号：
性质： 又称减容比。指放射性废物处理前后的体积缩小系数，是衡量处理方法及处理效果好坏的重要指标之一。一般来说其大小取决于处理方式，但与原始废物的性质也有关。减容系数越大则处理后废物体积越小，有利于运输、贮存和最终处置。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条