对不同的岩石样品在MTS伺服压力机上进行了一系列的循环加、卸载实验,得到了不同岩石的应力-应变的滞回曲线。
From experiments of a series of load-unload cycles for rock samples by MTS pressure machine, the hysteretic stress-strain curves of different rock samples are acquired.
对加卸载循环的应力-应变曲线,建立了能作理论拟合计算的材料宏观本构理论模型和关系方程。
Proposed a macroscopic constitutive model and relative equations which can be used to simulate theoretically measured stress-strain curves of loading -and unloading cycle.
在MTS压机上进行了砂岩、花岗岩等不同岩石样品的多种循环加卸载实验,得到一系列应力—应变曲线。
On the MTS pressure machine, a set of hysteresis graphs of stress-strain under uniaxial cycling loadings for different rock samples such as sandstone and granite were obtained.
研究了试样总应力、循环孔隙水压力、有效应力随时间的变化规律及试样有效应力与轴向应变的关系曲线。
Curves of total stress and time, of cycle pore water pressure and time, of effective stress and time, of effective stress and axial strain are respectively studied.
列出了三种钢筋循环应力应变曲线的实测结果和疲劳极限的估值区间。
Both the measured results of the cyclic stress-strain curves of three kinds of rebars and their estimated intervals of fatigue limit are listed in the paper.
基于内时塑性本构方程对循环松弛应力-应变曲线进行了数值模拟,取得了与实验相吻合的结果。
The calculation results showed that the constitutive relationship has accepted for the cyclic stress relaxation under strain-controlled tests.
其次,对三城目安山岩和稻田花岗岩在恒定速率下进行循环加载卸载试验,得到了应力—应变曲线上很多点处的卸载曲线。
Next, unloading-reloading cycles are repeated in constant loading rate test with Sanjome andesite and Inada granite; and unloading curves at many points along stress-strain curve are obtained.
其次,对三城目安山岩和稻田花岗岩在恒定速率下进行循环加载卸载试验,得到了应力—应变曲线上很多点处的卸载曲线。
Next, unloading-reloading cycles are repeated in constant loading rate test with Sanjome andesite and Inada granite; and unloading curves at many points along stress-strain curve are obtained.
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