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Errata are 3309r-05 included for collections or sets of documents such as the ACI Collection. Reference to this document shall not be made in contract documents. The paired values stated in inch-pound units and hard SI units are usually not exact equivalents.
Concrete with a relatively low water content can be readily molded into an unlimited variety of shapes, making it a highly versatile and economical construction material. Consolidation is the process of removing entrapped air from freshly placed concrete.
Consolidation is the process of inducing a closer arrangement of the solid particles in freshly mixed concrete or mortar during placement by the reduction of voids, usually by vibration, centrifugation spinningrodding, spading, tamping, or some combination of these actions.
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ACI 309R-05 – Guide for Consolidation of Concrete
ACI Committee Reports, Guides, Standard Practices, and Commentaries are intended for guidance in planning, designing, executing, and inspecting construction. All rights reserved including rights of reproduction and use in any form or by any means, including the making of copies by any photo process, or by electronic or mechanical device, printed, written, or oral, or recording for sound or visual reproduction or for use in any knowledge or retrieval system or device, unless permission in writing is obtained from the copyright proprietors.
These items are not eligible for return. We need your help! As the water content of the concrete is reduced, concrete strength, permeability, and other desirable properties improve, provided that the concrete cai properly consolidated.
We need your help to maintenance axi website. Guide to Mass Concrete Reapproved Combining values from the two systems may result in nonconformance with this guide. The full and complete returned product will be accepted if returned within 60 days of receipt and in salable condition. Thank you for interesting in our services.
309R-05: Guide for Consolidation of Concrete
Compaction of Roller-Compacted Concrete Reapproved It will have low strength, high permeability, and poor resistance to deterioration. Some form of vibration is usually employed. We are a non-profit group that run this website to share documents.
The Institute shall not be liable for any loss or damage arising therefrom. Ford Subcommittee Chair Neil A.
ACI R – Guide for Consolidation of Concrete – Free Download PDF
If adequate consolidation is not provided for 309r–05 stiffer mixtures, the strength of the in-place concrete decreases rapidly. Size px x x x x This document is intended for the use of individuals who are competent to evaluate the significance and limitations of its content xci recommendations and who will accept responsibility for the application of the material it contains.
Please help us to share our service with your friends. Several methods and techniques are available, the choice depending mainly on the workability of the mixture, placing conditions, and degree of air removal desired.
This guide includes information on the mechanism of consolidation and gives recommendations on equipment, characteristics, and procedures for various classes of construction. Several methods and ai are available, the choice depending on the workability of the mixture, placing conditions, and degree of air removal desired.
R Guide for Consolidation of Concrete
For a listing of and access to all product errata, visit acu Errata page. Stiffer mixtures require greater effort to achieve proper consolidation. Manual of Concrete Inspection.
These methods are infrequently used. If allowed to harden in this condition, the concrete will be porous and poorly bonded to the reinforcement. The various consistency tests have been discussed by NevilleVollickand Ferraris Some form of vibration is usually employed. Mixture proportioning is described in ACI Please choose a product format. Choose Product Language English. Therefore, each system is to be used independently of the other.