Concrete is basically a compressive material and has good tensile strength.
举一反三
- The compressive strength of brittle materials is generally ( ) than its tensile strength.。 A: higher B: equal C: lower
- Which of the following is not the reason why concrete needs reinforcement? A: Reinforcement has good tensile resistance, while concrete has good compressive resistance. B: Reinforcement has good compressive resistance as concrete. C: Engineers prefer ductile failure to brittle failure of the members. D: Reinforcement and concrete can work together to increase the bearing capacity of the members.
- Which of the following is NOT considered as a property of asphalt concrete? A: Thermal cracking resistance B: Tensile strength C: Compressive strength D: Fatigue crack resistance
- In conventional reinforced concrete, the high tensile strength of steel is combine with concrete's great ________________ to form a structural material that is strong in both ________ and ________.
- For fully prestressed concrete under the service load, in the section of concrete member A: Tensile stress is allowed to occur B: No tensile stress occurs C: Allow for cracks D: There is no compressive stress