无侧限抗压强度(unconfined compression strength)试样在无侧向压力情况下，抵抗轴向压力的极限强度。由无侧限压缩试验求得。 试验时，试样在无侧向限制(即周围压力为零)情况下逐渐施加轴向压力，破裂时常在试样侧面可见清晰的破裂面痕迹，这时的压力即为无侧限抗压强度。
... compressive stress 压力，抗压应力 unconfined compressive strength 无侧限抗压强度；非封闭抗压强度 compressive deformation 压缩变形；压缩形变 ...
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无侧限抗压强度试验 unconfined compressive strenght test ; test unconfined compress strength
In addition, when the content of coarse grain changes the variation laws of unconfined compressive strength, CBR, rebound modulus have been acquired.
此外，还开展了其它路用性能试验研究，得到了粗颗粒含量对土石混合料无侧限抗压强度、CBR及回弹模量的影响规律。
参考来源 - 土石混填路基压实质量控制方法研究Results are as follows:Adding appropriate small steel slag instead of some soil in cement stabilized soil made unconfirmed compressive strength, splitting tensile strength and modulus of compressive resilience enhanced obviously. The scope is between 30% to 150%.
研究结果表明:1、钢渣取代部分土以后的水泥稳定土的无侧限抗压强度、劈裂抗拉强度、抗压回弹模量均比不掺钢渣的情况有明显提高,提高幅度在30%～150%之间。
参考来源 - 水泥钢渣土用于公路底基层的试验研究There exists a critical value on the relationship between unconfined compression strength (qu) and consumed mixing energy (E).
临界搅拌能量:无侧限抗压强度与搅拌能量消耗的关系上存在一个临界值。
参考来源 - 上海地区水泥混合土性状的试验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
通过回归分析，建立水泥土的无侧限抗压强度随掺入比及龄期的数学表达式。
Through regressive analysis on the laboratory testing results of cement-soil, the mathematical expression among UCS of cement-soil and cement ratio and curing period were established.
针对原状土样和重塑土样在脱湿或加湿过程中无侧限抗压强度的变化进行了研究。
The unconfined compression strength of the undisturbed and remolded specimens are studied in the conditions of the dehydration or adding moisture content.
水泥土无侧限抗压强度的增大速率随龄期的增大而逐渐减小，随着水泥掺入比的增加而增大；
The increase velocity of the UCS decreased gradually with the increasing of curing period, but increased with the increasing of cement ratio.
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