Reinforced concrete contains steel embedded in concrete, so these two materials complement each other to resist the forces of tension, shear, and compression in the concrete structure. Ordinary plain concrete can withstand compressive stress, but cannot well withstand the tension and stress caused by wind, earthquake, and vibration. The term...
In reinforced cement concrete structures, the steel reinforcement consists of Deformed bars Cold twisted bars Mild steel and medium tensile steel bars All of these (correct) A twisted bar has about…….more yield stress than ordinary mild steel bar 10% 20% 35% 50% (Ans) The compressive strength of concrete is about...
Lintel:- It is a horizontal member which is placed just above the opening to resist loads acting over the opening and transfer loads to supporting walls. And it acts like a beam. Types of lintels are:- Timber or wood lintel:- they are made up of timber pieces and generally used...
Unit weight means weight of material per unit volume(1 m3 or 1m x 1m x 1m ). Unit weight of cement : 14.40 KN/m3 Unit weight of Sand :17 KN/m3 Unit weight of Aggregate :15 KN/m3 Unit weight of Brick Masonry :19.20 KN/m3 Unit weight of Brick Stone :20.80 to...
S.NO. Working Stress Method(WSM) Limit State Method(LSM) 1. Follow Hooks law i.e. stress-strain diagram is linear. Does not follow Hooks law, hence stress-strain diagram is non linear. 2. All tensile stresses are taken by steel only and not by concrete. The tensile strength of concrete is ignored. 3. Factor of...
Difference between Self Supporting Stacks and Guyed Stacks Stacks are known as chimneys so do not confuse. S.No. Self supporting stacks Guyed stacks 1. At the base they are supported on a flared portion In this stack is anchored by guyed wires joint to collar 2. A thick lining is...
As a Site Engineer or supervisor it’s important for carrying out the project in a good manner. S.NO. STRUCTURAL MEMBERS DURATION 1. Slabs( when props left under) 3 days Removal of props to slabs of spanning upto 4.5m 7 days Removal of props to slabs of spanning over 4.5m 14...
Bunker Bunkers may be rectangular or circular in plan Bunkers are shallow in depth The plane of rupture intersects at top of the surface and makes an angle of (90+ᶲ)/ 2 Silo Silos are generally circular in plan Silos are deep The plane of rupture intersects at walls of silo and...
Why We Use Reinforcement Bars in Beams? Reinforcement bars, also known as rebar, are used in beams to provide additional strength and durability to the structure. The use of reinforcement bars in beams is essential to ensure the safety and stability of the structure, especially in buildings and bridges. Here...
Questions with Answers: The pitch of the stair should be between 25 to 40 degree. The minimum and maximum value of cross‐sectional area of longitudinal reinforcement for column are 0.8 % and 6% respectively. The longitudinal bars in columns shall not be less than 12mm in diameter. A R.C.C column...
