Why do we have to consider the plastic zone in front of a crack tip?

1. Why do we have to consider the plastic zone in front of a crack tip?

2. What is the superposition method?

3. What is the Dugdale model

 

1. What are the main functions of a tube and concrete in a CFT?

2. Discuss the differences between a short, axially loaded CFT and a slender CFT column with bending.

1. Discuss the advantages of UHSC. What will be the potential of the applications of UHSC?

2. What is CFT?

3. Discuss the advantages of CFT.

1. How can the viscosity or cohesiveness of SCC be improved?

2. List two common types of SCC and discuss the differences between them.

3. List a few examples in which ECC has obvious advantages over common concrete.

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