a 3d analytical model including geometric stiffness of the arch and the secant modulus of the hangers is established.
计算了拱圈的几何刚度和斜吊桿的割线刚度对地震反应的影响;
secant modulus method (smm) is a new method to calculate foundation settlement in recent years.
割线模量法是近几年获得青睐的计算地基沉降的新方法。
in this paper, the maximum secant modulus is suggested, which is the maximum of all secant modulus with stress difference of 50% strength of the specimen.
建议使用最大割线模量,应力差为巖样强度一半的所有割线模量的最大值。
the detailed comparison shown that secant modulus ratio isn't constant, this phenomenon is exist even though at the quasi-elastic deformation phase.
the results also show that the axial pressure will induce the internal cracks in rock, weaken the carrying capacity of microelement and reduce the secant modulus of rock;
it indicated that, whether double-line method or single-line method, the relation curves between secant modulus and pressure for unsoaked samples and soaked samples under the sam…
割线模量差与初始含水量的关系曲线按指数形式进行拟合比较合理。
by piecewise polynomials and the ramberg-osgood three-parameter equation fitting the stress-strain curve, the expressions of the tangent and secant modulus are derived.
分别介绍了用分段多项式和朗培其一奥斯古特三参数方程拟合应力应变曲线并求切线模量和割线模量的方法。
the secant modulus of soil is usually larger than the tangent one, but the value of differences decreases with the increasing strain.
土体割线模量值大于切线模量值,其差值随应变的增加逐渐减小;
while the confining pressure will inhibit the initiation and propagation of cracks, consolidate the carrying capacity of microelement and enhance the secant modulus of rock.
围压则可以抑制裂纹的萌生和扩展,强化了微元体的承载能力,使得割线模量会增加。
static secant modulus of rigidity is determined from the torque-twist curve of torsional test.