The compressive strength of concrete is a critical parameter that defines its ability to withstand axial loads. For C35 concrete, the "C" stands for concrete, and the number "35" represents the characteristic compressive strength of the concrete in megapascals (MPa) after 28 days of curing. Therefore, the compressive strength of C35 concrete is 35 MPa.
This value is determined through standardized testing methods, typically involving the crushing of concrete cubes or cylinders under controlled conditions. The characteristic strength is defined as the strength below which not more than 5% of the test results are expected to fall, ensuring a high level of reliability and safety in structural applications.
In summary, the compressive strength of C35 concrete is 35 MPa, which indicates its capacity to resist compressive forces and is a key factor in its suitability for various construction purposes.
