A: Thermal cracking resistance
B: Tensile strength
C: Compressive strength
D: Fatigue crack resistance
举一反三
- Which of the following does not belong to concrete durability.（） A: resistance to freezing and thawing B: thermal shock resistance C: chloride resistance D: chemical resistance
- 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.
- 金属疲劳的判断依据是( )。 A: Strength B: Plastic C: Tensile strength D: Fatigue strength
- Which of the following descriptions is right? A: Asphalt with lower viscosity helps to increase the shear strength of asphalt mixture. B: The lower asphalt content, the higher shear strength of asphalt mixture is. C: The higher asphalt content, the higher shear strength of asphalt mixture is. D: Aggregates with dense framework structure helps to increase the shear strength of asphalt mixture.
- Which of the following are characteristics of the steel structure? A: High strength and low weight B: Good plasticity and toughness C: Easy to manufacture and construct D: Weak corrosion resistance
内容
- 0
Compared with plane concrete beams, reinforced concrete beams have much higher cracking resistance(抗裂能力).
- 1
The compressive strength of brittle materials is generally （ ） than its tensile strength.。 A: higher B: equal C: lower
- 2
Which of the following describes a material with high compressive strength but lowtensile strength A: tough B: B. brittle C: C. ductile D: D. malleable E: E. resilient
- 3
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 ________.
- 4
Which of the following is the most appropriate description of a muscle power grade or strength of three plus (3+)? A: Muscle able to move joint against gravity with full resistance B: Muscle unable to move joint with gravity eliminated C: Muscle unable to overcome resistance other than gravity D: Muscle unable to move joint; palpable contraction of muscle E: Muscle able to move joint against gravity and some resistance