Anonymous ID: 2f68d2 Jan. 4, 2019, 12:33 p.m. No.4597581   🗄️.is 🔗kun   >>7723

>>4597486

Concrete has no tensile strength. Only compressive strength. This is why reinforcing steel is required to be embedded in poured concrete. Why MA fighters can snap solid concrete blocks w/o rebar with a single arm blow.