546.1R-80: Guide for Repair of Concrete Bridge Superstructures

546.1R-80: Guide for Repair of Concrete Bridge Superstructures

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**WITHDRAWN DOCUMENT - This document has been discontinued by ACI and is available for informational purposes only.

Description

Repair techniques for concrete bridge superstructures are described. This includes pier caps, beams, decks, curbs, sidewalks, and rails. Special emphasis is placed on decks. Recommendations for evaluation of damage, selection of repair method, and surface preparation are given. Repair materials given primary consideration are conventional portland cement mortars and concretes, and those using latex, epoxy resins, or methyl methacrylate. Only techniques that have been documented and used extensively are included. Guide recommendations are those considered necessary for severe exposure conditions.

 

Document Details

Author: ACI Committee 546

Publication Year: 2017

Pages: 20

ISBN:

Categories: Bridges

Formats: PDF

This document is Withdrawn

Table of Contents

Chapter 1 -- Introduction

*General

*Scope

Chapter 2 -- Evaluation of Damage and Selection of Repair Method

*General

*Delaminations

*Spalls

*Scaling

*Cracked or fractured sections of concrete members

*Rutting

*Repair Material characteristics

Chapter 3 -- Surface preparation

*Scope

*Removal of deteriorated concrete

*Reinforcing Steel

*Cleaning of Area to be Repaired

*Cracks

Chapter 4 -- Portland Cement Concrete

*General

*Materials and Proportions

*Batching and Mixing

*Full depth Patches and Formed Repairs

*Partial Depth Patches

*Overlays

*Shotcrete

*Curing

Chapter 5 -- Latex Modified Portland Cement Mortar/Concrete

*General

*Materials and Proportions

*Patches

*Overlays

*Curing

Chapter 6 -- Polymer Concrete

*General

*Epoxy concrete

* Materials and Proportions

* Batching and Mixing

* Patches and Overlays

* Crack and Fracture Repair with Epoxy Resins

*Methyl Methacrylate Concrete

* Materials and Properties

* Batching and Mixing

* Preplaced Aggregate

* Premixing and Placing

* Polymerization

* Cleaning of Tools and Equipment

* Storage and Handling of Materials

* Disposal of excess monomer

Chapter 7 - References

Chapter 8 - Applicable Specifications and Standards

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