Besides, coal mechanical parameters as limit strength and failure style between loading and unloading test have been compared. These conclusions have a plenty for rock mechanics.
将卸载试验与常规三轴加载试验的极限强度、破坏方式等力学参数进行对比，试验结论丰富了卸载岩石力学内容。
Performance tests consist of incremental loading and unloading of anchors to verify sufficient capacity to resist the test load verify the free length and evaluate the permanent set of the anchor.
性能试验应包括渐进式装卸锚杆，以验证锚杆有足够的能力抵抗试验荷载，确认自由长度，并估算锚杆的永久变形量。
Cyclic loading-unloading tests of Fangshan marble specimens were made using a conventional triaxial testing machine and the main test results are presented in this paper.
本文介绍了作者们在常规三轴试验机上对房山大理岩试件做的循环载荷试验以及主要的实验结果。
Stress-strain curve at slow loading-rate obtained in alternating loading rate test is shifted along the unloading curves, and then it overlapped on stress-strain curve at a fast loading rate.
将在交替变换荷载速率试验中得到的对应于低荷载速率的应力–应变曲线沿着卸载曲线平移，可以与高荷载速率对应的应力–应变曲线重合。
Based on the test results, the AE characteristics of loading process, unloading and reloading of loading-unloading process are analyzed.
在试验结果的基础上，分析了加载时岩石全过程声发射特性、加卸载时岩石在卸载和重复加载时的声发射特性。
The residual strains of five kinds of steel fiber concrete in each loading and unloading cycle are decreased as the steel fiber content are increased in the whole test process.
整个加卸载试验过程中，五种混凝土在各次循环中的残余应变随钢纤维含量的增加而降低。
Gravel multi-function impact test function of rapid specimens of loading and unloading and equipped with external extended grit boxes, convenient and practical.
砂砾多功能冲击试验机能快速进行试件的装卸并配有外置式的砂砾收集箱，方便实用。
An example is cited to indicate that the comprehensive model fits the best with the test load-displacement curve, which shows that it's an efficient and simple unloading and re-loading model.
通过一个算例分析，指出了用该模型计算出的荷载-位移曲线与试验曲线最为接近，是一种有效且简单易用的卸载及再加载模型。
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.
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。
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