True or False 1. The ACl Code provision for a minimum amount of reinforcement ap

Question

True or False 1. The ACl Code provision for a minimum amount of reinforcement applies only to one-way slabs. 2. The analysis and design of reinforced concrete structures are separable in practice. 3. Maximum usable strain at extreme concrete compression fiber shall be assumed equal to 0.3% 4. The yield stress, the ultimate tensile stress, and the modulus of elasticity of all structural steel shape decrease with increase temperature except for HSS-Shapes. 5. The minimum stipulated in ACI table 9.5(a) shall apply to all one-way slabs, unless computation of deflection indicates a larger thickness can be used without adverse effect.

Explanation / Answer

1. False (can be applied on beams, columns etc)

2. True

Design is a term that is used in engineering, deciding on the parameters of an engineering system by performing calculations or using software tools. That engineering system could be a bridge to a water treatment plant. These parameters can be related to various fields of study, so we can do structural design or hydraulic design or others.

Analysis is a procedure in which we find information and a better idea about the engineering system. This helps to decide the parameters of the system i.e. design. It means that analysis is done before design. An example would be the analysis of a structural system where you try to find out the forces and moments in a structure so that you can design the members to be adequate enough to take the stresses that are induced in the structure because of the forces.

3. True

4. true (for temperature upto 300 degree centigrade)

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