What Is Compressive Strength?
Compressive strength code bc refers to the strength limit when external force is applied. In order to understand the characteristics of the stone and whether it is applicable in engineering, the mechanical strength test of the rock must be performed first. The most important strength test is the compressive strength test.
- Let s take rock as an example to explain in detail what compressive strength is.
- The compressive strength of rock refers to the maximum pressure that can be withstood under unconfined condition.
- p = P / A
- Where p is the compressive strength, in pounds per square inch (psi), kilograms per square centimeter, P is the pressure, in pounds and kilograms, A is the cross-sectional area, in square centimeters, square inches .
- Roughly speaking,
- In terms of crystalline particle size, the compressive strength of some fine-grained or cryptocrystalline rocks is often greater than that of coarse-grained rocks. For example, fine-grained sandstone has a lower compressive strength than
- in
- The compressive strength of the rock also depends on the direction of the compressive stress. To
- Compressive strength of rock type (Kg 2)
- Granite 1,000 ~ 2,500
- Syenite 1,000 ~ 2,000
- Diorite 1,500 ~ 2,800
- Gabbro 1,000 ~ 2,800
- Diabase 2,000 ~ 3,000
- Basalt 4,000
- Crystalline Limestone 1,000 ~ 2,000
- Quartzose Sandstone 2,000
- Quartzite 3,000
- Gneiss 1,000 ~ 2,000