Cement, Concrete, and Aggregates Table of Contents Volume 15, 1993 o. 1, Summer Rapid Method for Measuring the Acid-Soluble Chloride Content of Powdered Concrete Samples—RICHARD E. WEYERS, MICHAEL BROWN, IMAD L. AL-QADI, AND MARK HENRY se of Fly Ash in Heat-Cured Concrete and the Effect of Post-Curing Storage Regimes on Strength, Modulus of Elasticity, and Freezing-Thawing Durability— PETER M. GIFFORD, BRIAN W. LANGAN, AND MICHAEL A. WARD ffect of Three Zeolite-Containing Natural Pozzolanic Materials on Alkali-Silica Reaction—HONG WANG AND JACK E. GILLOTT valuation of the Statistical Significance of a Regression and Selection of the Best Regression Using the Coefficient of Determination R?—GILLES CHANVILLARD, J. PETER JONES, AND PIERRE-CLAUDE AITCIN se of Dynamic Nondestructive Test Methods to Monitor Concrete Deterioration Due to Alkali-Silica Reaction— R. NARAYAN SWAMY AND W. M. RAYMOND WAN ffects of Testing Rate and Age on ASTM C 1018 Toughness Parameters and Their Precision for Steel Fiber-Reinforced Concrete—COLIN D. JOHNSTON valuation of Cylinder Size and Capping Method in Compression Strength Testing of Concrete— MICHAEL F. PISTILLI AND TERRY WILLEMS Comparison of Two Methods for Measuring the Chloride Ion Permeability of Concrete —RACHEL J. DETWILER AND CHRIS A. FAPOHUNDA )bservations on Rubberized Concrete Behavior—NEIL N. ELDIN AND AHMED B. SENOUCI echnical Note: Development of Precision and Bias Statements for Testing Drilled Cores in Accordance with ASTM C 42—GLEN E. BOLLIN echnical Note: Mortar Workability Apparatus: A New Approach—STEWART W. TRESOUTHICK, VAL S. DUBOVOY, AND JOHN W. GAJDA esting Forum ggregate Mixtures for Least-Void Content for Use in Polymer Concrete—Vv. V. L. KANTHA RAO AND S. KRISHNAMOOTHY MPOSIUM ON CURRENT TRENDS IN CEMENT STANDARDS troduction to Symposium on Current Trends in Cement Standards—LESLIE J. STRUBLE rtland Cement Specifications: Performance, Prescription, and Prediction—EUGENE D. HILL, JR. AND GEOFFREY FROHNSDORFF hy Performance Standards for Hydraulic Cement?—RONALD F. GEBHARDT portance of Precision Statements in Developing Performance Standards for Cement—TERRY PATZIAS nalysis of a Canadian Database of Mortar-Cube Strengths: The Move Towards a Canadian Performance Standard for Portland Cement— ROBERT L. DAY lement Strength and Concrete Strength—An Apparition or a Dichotomy?—RICHARD D. GAYNOR uropean (EN) and World (ISO) Standards—Comparison with ASTM Standards— PIERRE DUTRON ternational Development of Standards for Cements—PETER J. JACKSON AND JOHN M. LAWTON lended Cement According to ENV 197 and Experiences in Germany— MICHAEL SCHMIDT, KLAUS HARR, AND RAYMUND BOING e Special Features of Cement Standards in China— TONG SANDUO e New Cement Standard in Australia—Its Implication and Further Development—sAMIA GUIRGUIS chnical Note: A Summary of the Results of Laboratory Inspections Conducted by the Cement and Concrete Reference Laboratory—RAYMOND M. KOLOS AND PAUL C. BURNS sting Forum dex