01/09/2026
đī¸ RCC Building-āĻ Clear Cover āĻā§āύ āĻā§āϰā§āϤā§āĻŦāĻĒā§āϰā§āĻŖ?
āĻāĻāĻāĻŋ āĻāĻŦāύā§āϰ Reinforcement Bar (āϰāĻĄ) āϏāĻ āĻŋāĻāĻāĻžāĻŦā§ āϏā§āĻĨāĻžāĻĒāύ āĻāϰāĻžāϰ āĻā§āώā§āϤā§āϰ⧠Clear Cover āĻ
āϤā§āϝāύā§āϤ āĻā§āϰā§āϤā§āĻŦāĻĒā§āϰā§āĻŖ āĻāĻāĻāĻŋ āĻŦāĻŋāώā§āĨ¤ āĻ
āύā§āĻ āϏāĻŽā§ āϰāĻĄā§āϰ āĻĒāϰāĻŋāĻŽāĻžāĻŖ āĻ spacing āĻ āĻŋāĻ āϰāĻžāĻāĻž āĻšāϞā§āĻ Clear Cover āϏāĻ āĻŋāĻ āύāĻž āĻšāϞ⧠āĻāĻŦāĻŋāώā§āϝāϤ⧠structural durability-āϤ⧠āϏāĻŽāϏā§āϝāĻž āĻĻā§āĻāĻž āĻĻāĻŋāϤ⧠āĻĒāĻžāϰā§āĨ¤
đš Clear Cover āĻā§?
Concrete-āĻāϰ āĻŦāĻžāĻāϰā§āϰ surface āĻĨā§āĻā§ āϏāĻŦāĻā§ā§ā§ āĻāĻžāĻā§āϰ reinforcement bar-āĻāϰ āĻŦāĻžāĻāϰā§āϰ surface āĻĒāϰā§āϝāύā§āϤ āĻĻā§āϰāϤā§āĻŦāĻā§ Clear Cover āĻŦāϞāĻž āĻšā§āĨ¤
đš āϏāĻžāϧāĻžāϰāĻŖāĻāĻžāĻŦā§ āĻŦā§āϝāĻŦāĻšā§āϤ Clear Cover:
âĒī¸ Slab: āĻĒā§āϰāĻžā§ 20â25 mm
âĒī¸ Beam: āĻĒā§āϰāĻžā§ 25â30 mm
âĒī¸ Column: āĻĒā§āϰāĻžā§ 40 mm
âĒī¸ Footing: āĻĒā§āϰāĻžā§ 50â75 mm
â ī¸ Cover āĻāĻŽ āĻšāϞā§:
â āϰāĻĄā§ corrosion āĻšāĻā§āĻžāϰ āĻā§āĻāĻāĻŋ āĻŦāĻžā§ā§
â Concrete cracking āĻ spalling āĻšāϤ⧠āĻĒāĻžāϰā§
â āĻāĻŦāύā§āϰ durability āĻāĻŽā§ āϝā§āϤ⧠āĻĒāĻžāϰā§
â Fire resistance āĻāĻŽā§ āϝā§āϤ⧠āĻĒāĻžāϰā§
â ī¸ Cover āĻ
āϤāĻŋāϰāĻŋāĻā§āϤ āĻšāϞā§āĻ āĻāĻžāϞ⧠āύā§:
āĻ
āϤāĻŋāϰāĻŋāĻā§āϤ cover-āĻāϰ āĻāĻžāϰāĻŖā§ reinforcement-āĻāϰ effective depth āĻāĻŽā§ āĻāĻŋā§ā§ structural performance āĻ cracking-āĻāϰ āĻāĻĒāϰ āĻĒā§āϰāĻāĻžāĻŦ āĻĒā§āϤ⧠āĻĒāĻžāϰā§āĨ¤
āϰāĻĄā§āϰ āύāĻŋāĻā§ āĻ āĻĒāĻžāĻļā§ āϏāĻ āĻŋāĻ thickness-āĻāϰ approved cover block/spacer āĻŦā§āϝāĻŦāĻšāĻžāϰ āĻāϰāϤ⧠āĻšāĻŦā§ āĻāĻŦāĻ concrete casting-āĻāϰ āĻāĻā§ cover āĻ
āĻŦāĻļā§āϝāĻ āĻŽāĻžāĻĒ āĻĻāĻŋā§ā§ āύāĻŋāĻļā§āĻāĻŋāϤ āĻāϰāĻž āĻāĻāĻŋāϤāĨ¤
đ āĻŽāύ⧠āϰāĻžāĻāĻŦā§āύ:
âāϏāĻ āĻŋāĻ Reinforcement + āϏāĻ āĻŋāĻ Clear Cover = Durable RCC Structureâ
đ āϤāĻŦā§ final clear cover āĻ
āĻŦāĻļā§āϝāĻ Structural Drawing, Project Specification āĻāĻŦāĻ āĻĒā§āϰāϝā§āĻā§āϝ Code āĻ
āύā§āϝāĻžā§ā§ āύāĻŋāϰā§āϧāĻžāϰāĻŖ āĻāϰāϤ⧠āĻšāĻŦā§āĨ¤