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Seismic Retrofit & Earthquake Strengthening

Buildings and infrastructure in seismic zones require adequate ductility and strength to withstand earthquake forces. Older structures often lack the reinforcement detailing required by modern building codes, creating life-safety concerns and code compliance issues.

CompositePros provides proven FRP seismic retrofit solutions that enhance structural performance during seismic events. Our composite confinement systems increase ductility, prevent brittle failure modes, and bring structures into compliance with current seismic codes – all with minimal disruption and architectural impact.

Applications

Seismic Retrofit Applications

Column Confinement

FRP wrapping provides confinement to increase ductility and prevent brittle shear failure during earthquakes.

Beam-Column Joint Strengthening

Strengthen critical beam-column connections to improve seismic performance and force transfer.

Shear Wall Enhancement

Increase shear wall capacity and ductility using FRP laminates for improved lateral resistance.

Foundation & Pile Cap Upgrade

Strengthen foundation elements and pile caps to resist increased seismic demands.

BENEFITs

Why FRP for Seismic Retrofit

  • Code Compliance

    Meet current seismic building codes without major renovations

  • Increased Ductility

    FRP confinement prevents brittle failure and improves performance

  • Minimal Disruption

    Buildings remain occupied during retrofit installation

  • No Added Mass

    Lightweight materials don't increase seismic demand

  • Architecturally Sensitive

    FRP can be concealed within finishes

  • Rapid Installation

    Projects completed faster than traditional methods

  • Proven Performance

    Extensive testing and field validation in seismic events

  • Cost-Effective

    40-60% savings compared to conventional seismic upgrades

Our Seismic Retrofit Process

Four-Step Process

Structural Assessment

Review existing drawings, perform field measurements, and conduct seismic vulnerability assessment. Develop engineered FRP retrofit design stamped by licensed structural engineer.

FRP System Installation

Install seismic FRP confinement and strengthening systems. Follow ACI 440 guidelines and manufacturer specifications with certified installers and continuous quality control.

Surface Preparation & Installation

Prepare concrete or steel surfaces. Install FRP systems following manufacturer specifications and quality control procedures.

Testing & Documentation

Perform adhesion testing, visual inspections, and quality verification. Provide complete installation documentation, material certifications, and engineer's report for code compliance.

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Contact our team for a free consultation on your transportation infrastructure needs

Experts in Advanced FRP Solutions

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