Notes/Preview

INSTRUCTIONS: View the recorded webinar. Complete 10-question quiz with a score of 80% or higher to receive a certificate for 0.1 CEU (equivalent to 1.0 PDH).

Continuing Education Credit: 0.1 CEU (1.0 PDH)

Approved AIA and ICC

Access Period: 30 days

Description

This is a recorded webinar from April 24, 2024.

This webinar is jointly sponsored by NEx: An ACI Center of Excellence for Nonmetallic Building Materials and the American Concrete Institute (ACI).

Externally bonded fiber reinforced cementitious matrix (FRCM) for structural members was tested and evaluated as a new class of composite material for repairing and strengthening infrastructure components. In comparison with fiber reinforced polymer (FRP) composites, FRCM composite has a superior high temperature resistance and improved compatibility with concrete substrates. This experimental work demonstrated the effectiveness of FRCM composite on enhancing the fatigue, flexure, bond, and shear capacities of RC structural members. The durability performance of the FRCM composite in terms of resisting different exposure conditions such as freezing and thawing, high temperature and humidity cycles, alkaline solution, and salt solution were investigated. The conclusions and summary from this study open the door to use the FRCM composite for repairing and strengthening RC slab decks or RC beams for buildings and bridges.

Document Details

Author: John J. Myers

Publication Year: 2024

ISBN:

Categories: Cementitious Materials, Durability, Fiber-Reinforced Concrete

Formats: Online Learning

Table of Contents

Learning Objectives:

1. Explain the differences between using FRCM and more well-established composite strengthening systems.

2. Describe the effects of fatigue cycles and environmental exposure on the flexural behavior of FRCM as well as the benefits of anchoring systems.

3. Identify how FRCM and internal shear reinforcing affects overall FRCM-RC member behavior.

4. Compare FRCM to other composite systems on one-way RC slab applications.

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