Crack repair using drilling and screw rod fixing is a common method used in structural concrete repair to stabilize and restore integrity to cracked concrete elements such as beams, columns, and slabs. Here's a clear step-by-step overview: Crack Repair Method: Drilling Hole and Fixed Screw Rod 1. Surface Preparation Clean the crack surface using a wire brush or grinder. Remove dust, grease, and loose material. Mark the crack path visibly. 2. Drill Holes Along the Crack Use a rotary hammer drill

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