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✓ Concrete Repair & Rehabilitation 📍 Jeddah Year: 2025 Certified Warranty Handed Over

Deteriorated Concrete Column Repair & CFRP Strengthening for a Residential Villa in Jeddah

Consult Engineer on Similar Defect Direct Call: 0500037325

Engineering Defect Diagnosis

Pinpointing the root structural cause of cracking or corrosion before commencing remediation.

Code-Certified Materials

Utilizing certified polymer-modified mortars, structural epoxies, and aerospace-grade carbon fiber.

Transparent Scope & BOQ

Itemized breakdown of all execution steps and material bill of quantities with zero hidden costs.

Field Engineering Supervision

Specialized technical crews supervised by senior structural engineers ensuring SBC compliance.

Field Engineering Comparison Concrete Repair & Rehabilitation
Condition Prior to Remediation (Jeddah)

Wide longitudinal cracks in 4 primary ground-floor columns with concrete cover spalling and advanced rebar corrosion caused by the aggressive coastal marine environment.

⚠️ Risk Factor: Deferring remediation accelerates corrosion propagation and compounds strengthening costs.
Final Structural Outcome after Remediation

100% restoration of design structural load capacity with verified protection against marine salts and humidity for years to come, completely avoiding column demolition.

✓ Certified polymer mortars and aerospace-grade carbon fiber executed to Saudi Building Code (SBC 304).

Preliminary Engineering Assessment

Engineering diagnostics revealed an 18% loss in effective rebar cross-section with laminated rust flakes, while the column core concrete remained sound.

Approved Remediation & Engineering Methodology

Ceiling shoring with hydraulic props, mechanical rebar descaling and zinc-rich epoxy anti-rust coating, supplemental stirrups and rebar placement, recasting with non-shrink polymer mortar, and CFRP carbon fiber jacket wrapping.

Step-by-Step On-Site Execution Protocol

  1. 1 Load relief and installation of certified temporary structural shoring towers.
  2. 2 Careful mechanical chipping behind corroded rebar and thorough decontamination.
  3. 3 Application of anti-rust zinc-rich primer and localized sacrificial cathodic protection.
  4. 4 Cross-sectional rebuilding using certified polymer-modified non-shrink repair mortar.
  5. 5 Application of two layers of woven carbon fiber reinforced polymer (CFRP) to restore structural capacity.
Preliminary Technical Inspection & Direct Supervision

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