Concrete Technology and Design of Concrete Structures
In counterfort type retaining wallsi) the vertical slab is designed as a continuous slabii) the heel slab is designed as a continuous slabiii) the vertical slab is designed as a cantileveriv) the heel slab is designed as a cantileverThe correct answer is

(iii) and (iv)
(ii) and (iii)
(i) and (ii)
(i) and (iv)

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Concrete Technology and Design of Concrete Structures
High carbon content in the steel causes

increase in tensile strength but decrease in ductility
increase in both tensile strength and ductility
decrease in both tensile strength and ductility
decrease in tensile strength but increase in ductility

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