Based on the ultimate tensile strength test and extension test under confining pressure, the characteristics of flexible concrete are studied.
通过极限抗拉强度试验和围压作用下的拉伸试验，研究了柔性混凝土的抗拉破坏特性。
The extensively used formula for estimating the tensile strength of rocks under the Brazilian test is based on the 2D elastic theory and only suitable for very long or very short cylinders.
因此认为巴西试验方法已不适合用于测试岩石类脆性材料的抗拉强度。
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