Design an isolated footing for a square column, 400 mm x 400 mm with 12-20 mm diameter longitudinal bars carrying service loads of 1500 kN with M 20 and Fe 415. The safe bearing capacity of soil is 250 kN/m2 at a depth of 1 m below the ground level...

Design a plain concrete footing for a column of 400 mm x 400 mm carrying an axial load of 400 kN under service loads. Assume safe bearing capacity of soil as 300 kN/m2 at a depth of 1 m below the ground level. Use M 20 and Fe 415 for the design.Pla...

Design a roof slab inside dimension 7x3 m if supporting brick walls are 300 mm thick. The Slab will have to carry 75 mm thick additional material as the rooftop finishing, Whose Unit weight 20 KN/m³, service load 2 HYSD Steel bar Fe415, Rec slab si...

Calculating Cement Requirements for RCC Roof SlabIntroduction:Understanding the precise amount of cement needed for casting a reinforced concrete (RCC) roof slab is crucial for civil engineers and students alike. This guide provides a step-by-step ...

 ** Mastering the Design of RCC Cantilever Beams: A Comprehensive Guide****Introduction:**Cantilever beams are essential structural elements used in a variety of constructions, offering unique design opportunities and challenges. Mastering the desi...

 Concrete Technology objective question and answer part 4Question No. 311The most commonly used admixture which prolongs the setting and hardening time is (A) Gypsum (B) Calcium chloride (C) Sodium silicate (D) All of the above Answer: Option A Que...

Concrete Technology objective question and answer part 3Question No. 209M10 grade of concrete approximates (A) 1 : 3 : 6 mix (B) 1 : 1 : 2 mix (C) 1 : 2 : 4 mix (D) 1 : 1.5 : 3 mix Answer: Option A Question No. 210Higher workability of concrete is...

Concrete Technology objective question and answerQuestion No. 103The effect of creep on modular ratio is (A) To decrease it (B) To increase it (C) Either to decrease or to increase it (D) To keep it unchanged Answer: Option B Question No. 104The t...