11 concrete/metal railings ____
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举一反三
- Concrete can be made stronger under tension by adding metal rods, wires, mesh or cables to the composite.( )
- 11、It is widely approved that any civilization could not originate or survive without .A、animal bonesB、riversC、ropesD、metal
- Which of the following is the mostly used type of concrete pavement? A: Jointed plain concrete pavement (JPCP) B: Jointed reinforced concrete pavement (JRCP) C: Continuously reinforced concrete pavement (CRCP) D: Prestressed Concrete Pavements (PCP)
- The specific meaning of the terms "reinforced concrete and prestressed concrete" are ______ .
- 18. It's in the ________ container. A: large blue metal B: blue large metal C: blue metal large
内容
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concrete
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Reinforced concrete has steel bars that are placed in the concrete to carry tensile forces.
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The common failure characteristic for the large and small eccentrically compressed reinforced concrete members is that the concrete in compression zone reaches the concrete ultimate compressive strain at the failure.
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Use adhesive No. 35 to metal to metal. A: Use adhesive No. 35 to bond metal to metal. B: Use adhesive No. 35 to adhere metal to metal. C: Use adhesive No. 35 to glue metal to metal. D: Use adhesive No. 35 to join metal to metal.
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Where did some workmen lower a metal frame intoThey lowered the metal frame into ___________.