In the current study, uniaxial compressive strength, Schmidt hammer and Sonic velocity tests are performed on NX size rock core samples from Sakesar and Namal formation limestone. Least square regression analysis is used to develop any possible correlations between the destructive and non-destructive test results. Empirical models, for predicting the uniaxial compressive strength of rocks by using the rebound number and P-wave/S-wave velocity, have been developed and evaluated. Analysis shows that the empirical model for predicting UCS with Schmidt hammer rebound number is more reliable over a wide range of strength values for both the formations. Whereas the model that uses P-wave/S-wave velocities is reliable particularly when the strength values are low to medium.

中文翻译：

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使用无损测试结果开发单轴抗压强度预测的经验模型

在当前的研究中，对来自 Sakesar 和 Namal 地层石灰岩的 NX 尺寸岩心样本进行了单轴抗压强度、施密特锤和声速测试。最小二乘回归分析用于开发破坏性和非破坏性测试结果之间的任何可能的相关性。已经开发并评估了通过使用回弹数和 P 波/S 波速度来预测岩石单轴抗压强度的经验模型。分析表明，使用施密特锤回弹数预测 UCS 的经验模型在两种地层的广泛强度值范围内都更可靠。而使用 P 波/S 波速度的模型是可靠的，特别是当强度值低到中等时。