Compared to RC beam, the bending stiffness of the strengthened RC beam is boosted with about 6 percent. 与普通钢筋混凝土(RC)梁相比,碳纤维薄板增强RC梁屈服前的刚度提高了6%左右。 epub.cnki.net 4. The optimal axial and bending stiffness were computed to reduce the spinal motion by 30%. 通过计...
decay phase;(3) the normali-zed linear stiffness varies from 0.55 to 0.79,with a mean value of 0.67;(4) the normalized fracture stiffness varies from 0.53 to 0.73,with a mean value of 0.63;and(5) the damage variable of the strengthened beams reaches about 0.37 at the fatigue failure ...
Based on the bifurcation buckling of abnormal beamcolumn steel frame,it was found that the way to ascertain column s effective length of normal steel frame can also be used in abnormal beam-column steel frame;the principle of virtual work was used to deduce theflexural stiffnessof two kinds of...
To describe the bending stiffness of a thin film, it is assumed that the film or sheet can be modeled as a beam, such as an I-beam. As a beam is bent, one side of the beam is in compression and the other is in tension as shown in Fig. 9.14. The tensile or compressive stress ...
Experimental work was carried out on four composite tubes made of different lay-ups. The stiffness represented by the slope of the force-axial strains compares well between theoretical formulation and experimental results. 展开 关键词: bending stiffness composite tubes non-classical beam theory ...
材料力学(英汉对照)06_Bending_Deformation REVIEW REVIEW Bending shear stress QS τ = bI * z z Q z τ y A* τ max = kτ m = 1.5 Q A Strength condition of shear stress τ max Q = k ≤ [τ ] A
Dynamic properties of Al-alloy foam beam damaged by compressive fatigue As a result, the dynamic bending stiffness of Al-alloy foam turned out to be decreased due to damage while the loss factor was improved because of ... Sung-Gaun,Kim,and,... - 《固体力学学报(英文版)》 被引量: 10发...
The resulting effects of shear stiffness of the Pasternak model on the mechanical quantities are discussed in comparison with those of the Winkler's model. Some numerical case studies illustrate the accuracy of the formulation and the importance of the soil shearing effect in the vertical direction,...
Calculation methods for the flexural capacity and bending stiffness of the H-beam WHS joints were proposed. Results revealed two failure modes of the joints under pure bending, namely, (1) concave at the connection between the WHS and upper flange and external heave at the connection between ...
Biomimetic scales provide a convenient template to tailor the bending stiffness of the underlying slender substrate due to their mutual sliding after engagement. Scale stiffness can therefore directly impact the substrate behavior, opening a potential av