Using a vibrator to shake freshly poured concrete so it fills all spaces around rebar and form corners without air pockets.
The process of compacting freshly placed concrete using internal or external vibration to eliminate air voids, ensure complete encapsulation of reinforcement, and achieve intimate contact with forms. Inadequate consolidation produces honeycombing — voids in the hardened concrete that reduce strength and durability. Proper vibrator insertion spacing and duration are critical for effective consolidation.
The inspector noted honeycombing on the column after stripping the form, indicating inadequate consolidation during the pour.
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