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ACI 305R - Guide to Hot Weather Concreting
September 1, 2020 - ACI

This guide identifies problems associated with hot weather concreting and describes practices that alleviate these potential adverse effects. These practices include suggested preparations and procedures for use in general types of hot weather construction, such as pavements, bridges, and...

ACI 301 - Specifications for Concrete Construction (ACI 301-20)
September 1, 2020 - ACI

This Specification covers construction of cast-inplace concrete, architectural concrete, lightweight concrete, mass concrete, post-tensioned concrete, shrinkage-compensating concrete for interior slabs, industrial floor slabs cast on ground, tilt-up...

ACI 304.4R - Guide to Placing Concrete with Belt Conveyors
April 1, 2020 - ACI
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ACI 421.1R - Guide for Shear Reinforcement for Slabs
January 1, 2020 - ACI

Recommendations in this guide are for the design of shear reinforcement in slabs. The design is in accordance with ACI 318. Numerical design examples are included.

ACI 225R - Guide to the Selection and Use of Hydraulic Cements
August 1, 2019 - ACI

This guide summarizes information about the composition, availability, and factors affecting the performance of commercial hydraulic cements. It also provides information regarding: a) Cement selection, whether a cement is readily available, and if conditions require a general-purpose cement or a...

ACI 506.4R - Guide for the Evaluation of Shotcrete
July 1, 2019 - ACI

The scope of this guide is to present the most relevant test methods applicable to shotcrete along with recommendations for selecting the most appropriate methods and interpreting tests results. This guide is divided into 12 chapters, ranging in content from the determination of mixture proportions...

ACI 437R - Strength Evaluation of Existing Concrete Buildings
May 1, 2019 - ACI

Background and limitations-Engineering judgment based on rational, scientific principles is critical in the strength evaluation of concrete structures. Such judgment of a qualified licensed design professional is needed for proper application of relevant code provisions to the case being...

ACI 222R - Guide to Protection of Reinforcing Steel in Concrete against Corrosion
April 1, 2019 - ACI

This guide discusses the factors that influence corrosion of reinforcing steel in concrete, measures for protecting embedded reinforcing steel in new construction, techniques for detecting corrosion in in-service structures, and remedial procedures. Consideration of these factors and...

ACI 364.1R - Guide for Assessment of Concrete Structures before Rehabilitation
April 1, 2019 - ACI

The purpose of this guide is to provide general procedures for the assessment of concrete structures before rehabilitation. Evaluation of structures other than concrete buildings is beyond the scope of this guide, although the approach for condition assessment for such structures may...