FRP Structural Engineering software FRP Calculator
Structural Engineering Software
A structural engineering analysis program to design fiber reinforced polymer (FRP) reinforcement and strengthening
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FRPpro™ Engineering Calculator

Using FRPpro™ FRP Design Software is a simple way to design reinforced concrete beam strengthening.

All engineering software calculations are based on recommendations of the American Concrete Institute (ACI) 440.2R-08, "Guide for the Design and Construction of Externally Bonded FRP Systems for Strengthening Concrete Structures" and ACI 318-08, "Building Code Requirements for Structural Concrete." Users should understand the fundamentals of reinforced concrete design.

Table of Contents

Getting Started

Beam Geometry and Capacity

Loadings and Corresponding Moments

Manufacturer's Reported FRP System Properties

Calculate the FRP System Design Material Properties

Existing Beam Conditions

Existing Strain on the Beam Soffit

Design Strain of the FRP System

Estimate the Depth of the Neutral Axis

Effective Strain in the FRP, Concrete, and Steel

Stress in the Reinforcing Steel and FRP

Internal Force Resultants and Equilibrium Check

Adjust cest until Force Equilibrium is Satisfied

Flexural Strength Components

Design Flexural Strength of the Section

Reinforcing Steel Stress Check

FRP Creep Rupture Limit Check

Summary of Results

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