Civil Engineering Times

Structure design karte waqt engineers extra safety margin rakhte hain.

Is concept ko bolte hain Partial Safety Factor.

Example:
Actual Load = 10 ton
Design Load ≈ 15 ton

Isliye RCC structures zyada safe hote hain.

Series: IS 456 in 100 Reels

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Punching shear kya hota hai slab me?

✔ Column concentrated load
✔ Cone shape failure
✔ Flat slab me high risk

Drop panel aur shear reinforcement se control kiya jata hai.

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Beam ke support ke paas stirrups ka spacing kam kyu hota hai? 🤔
Kyuki support ke paas shear force maximum hota hai.
Jahan shear zyada → wahan diagonal cracks ka risk zyada.

Isliye support zone me stirrups ka spacing kam rakha jata hai taaki shear resist ho sake ✔️

Site pe sirf steel bharna design nahi hota…
Force ka behaviour samajhna padta hai 💙

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CivilEngineer ConstructionLife StructuralEngineering

Slab me negative moment steel kaise identify kare?

✔️ Support ke paas top tension
✔️ Beam ke upar extra steel
✔️ Two-way slab me dono direction

Moment diagram samjho – detailing easy ho jayegi.
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