SP-233: Workability of SCC: Roles of Its Constituents and Measurement Techniques

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Caijun Shi & Kamal H. Khayat


Self-consolidating concrete (SCC) is a highly flowable, yet stable concrete that can spread readily into place, fill the formwork, and encapsulate the reinforcement without any mechanical consolidation and without undergoing any significant separation of material constituents. SCC has many advantages over conventional concrete, such as: eliminating the need for vibration; decreasing the construction time and labor cost; reducing noise pollution; improving the filling capacity of highly congested structural members; improving the interfacial transitional zone between cement paste and aggregate or reinforcement; decreasing the permeability and improving durability of concrete; and facilitating constructibility and ensuring good structural performance. SCC has been attracting more and more attention worldwide since its introduction in the late 1980s. New applications for SCC are being explored.

To promote and encourage the use of SCC, ACI Committee 236, Material Science of Concrete, and ACI Committee 237, Self-Consolidating Concrete, organized two technical sessions on “Workability of SCC: Roles of Its Constituents and Measurement Techniques” at the ACI Spring 2005 Convention in New York City, New York. Eleven papers were presented covering a wide range of practical case studies and research projects on the design, testing, placement, and performance of SCC. This Special Publication (SP) contains 10 of the papers presented at the sessions. Six of the papers deal with the mixture proportions and the effects of raw materials on workability; two of them deal with the rheometer testing of SCC; one deals with form pressure; and one deals with the structural response of SCC frames under earthquake loading.

On behalf of ACI Committees 236 and 237, the editors would like to thank the authors and presenters for their contributions to the technical sessions and this volume, the reviewers of the original manuscripts for their constructive comments and suggestions, and the ACI staff for their help in organizing the sessions and preparing this SP. It is our hope that the success of these technical sessions and the publication of this SP will encourage and facilitate the use of SCC.


Document Details

Publication Year: 2006

ISBN: 9780870312007

Categories: Consolidation

Formats: PDF

Table of Contents

SP-233—1: Getting it Right: Successful SCC Production Practices

by C.R. Cornman, H. Koyata, and A.A. Jeknavorian

SP-233—2: The Influence of Viscosity-Modifying Admixture (VMA) on the

Performance of Self-Consolidating Concrete (SCC)

by B.J. Christensen and F.S. Ong

SP-233—3: Effect of Various Admixture-Binder Combinations on Workability of

Ready-Mix Self-Consolidating Concrete

by S.-D. Hwang and K.H. Khayat

SP-233—4: Properties of Self-Consolidating Concrete Containing Class F Fly Ash: With a Verification

of the Minimum Paste Volume Method

by R.P. Douglas, V.K. Bui, Y. Akkaya, and S.P. Shah

SP-233—5: Effect of Different Mineral Powders on Properties of Fresh and

Hardened Self-Consolidating Concrete

by C. Shi

SP-233—6: Coarse Aggregate and Self-Consolidating Concrete Passing Ability

by J. McBride and D.J. Mukai

SP-233—7: A New, Portable Rheometer for Fresh Self-Consolidating Concrete

by E.P. Koehler, D.W. Fowler, C.F. Ferraris, and S. Amziane

SP-233—8: Comparision of Concrete Rheometers

by L.E. Brower and C.F. Ferraris

SP-233—9: SCC Evolution of Formwork Hydraulic Pressure and

Rheological Properties

by S. Amziane and C.F. Ferraris

SP-233—10: Workability and Earthquake Resistance Behavior of Self-Compacting Concrete Frame

by P. -f. Huang


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