00213763

Component

https://onlinepubs.trb.or...bproceedings/13/13-018.pdf

THE ADDITION OF CALCIUM CHLORIDE APPEARS TO INCREASE THE HEAT CONTRIBUTED AT THE END OF 24 HOURS BY DICALCIUM SILICATE AND TETRACALCIUM FERRO-ALUMINATE AND TO DECREASE THE HEAT FROM TRICALCIUM ALUMINATE PRESENT IN CEMENTS. THE HEAT CONTRIBUTED BY TRICALCIUM SILICATE SHOWS VERY LITTLE CHANGE WHEN CALCIUM CHLORIDE IS ADDED. CALCIUM CHLORIDE INCREASES THE RATE AT WHICH THE HEAT IS EVOLVED FROM ALL CEMENTS TESTED AND IN GENERAL GIVES AN INCREASE OF ABOUT FOUR CALORIES PER GRAM OF CEMENT AT 24 HOURS. IT DECREASED THE TIME OF SET OF THE 11 COMMERCIAL CEMENTS AND INCREASED THE FLOW OF THE CONCRETE MIX AND THE STRENGTH OF RESULTING CONCRETE AT ALL AGES TO 90 DAYS, BEYOND WHICY RESULTS HAVE NOT YET BEEN OBTAINED. /AUTHOR/

Vol 13, ParT I, PP 291-299, 4 FIG, 2 TAB. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved.

01490412

1934

Highway Research Board Proceedings

Digital/other

Admixtures; Calcium chloride; Concrete; Concrete curing; Flow; Heat; Portland cement

Geotechnology; Highways; Materials

TRIS, TRB

Aug 15 1971 12:00AM

• ALCOHOL AND MOTOR VEHICLE DRIVERS
• AN EXPERIMENTAL ROAD OF CEMENT BOUND MACADAM
• ANALYSIS OF ROAD COST ON THE STATE HIGHWAYS OF WORCESTER COUNTY, MASSACHUSETTS
• APPLICATION OF EQUATION FOR ANNUAL ROAD COSTS
• COEFFICIENT OF FRICTION BETWEEN TIRES AND ROAD SURFACES
• CRACK CONTROL IN CONCRETE BASES FOR SHEET ASPHALT PAVEMENT
• DETERMINATION OF TIME SAVED BY VEHICLES USING THE NEW JERSEY HIGH LEVEL VIADUCT
• FURTHER TRACTIVE RESISTANCE TESTS WITH A GAS ELECTRIC DRIVE AUTOMOBILE
• GRAVEL TYPE STABILIZED SURFACES FOR SECONDARY ROADS
• HIGHWAY LIGHTING RESEARCH
• INTANGIBLE ECONOMICS OF HIGHWAY TRANSPORTATION
• LIQUID BITUMINOUS MATERIALS FOR PLANT MIXED SURFACES
• MAKING AND USING THE TRAFFIC CENSUS
• MOTOR VEHICLE ACCIDENTS AS REFLECTED BY PSYCHOLOGICAL TESTS AND REACTION METER
• NOTES ON TRAFFIC SPEEDS
• REPORT OF COMMITTEE ON MAINTENANCE - TREATMENT OF ICY PAVEMENTS
• REPORT OF JOINT COMMITTEE ON ROADSIDE DEVELOPMENT
• REPORT OF PROJECT COMMITTEE ON FILLERS AND CUSHION COURSES FOR BRICK AND BLOCK PAVEMENTS
• REPORT OF SUBCOMMITTEE ON MAINTENANCE OF CONCRETE PAVEMENT CRACKS AND EXPANSION JOINTS
• RULES OF THE ROAD IN THEORY AND PRACTICE
• SKIDDING CHARACTERISTICS OF ROAD SURFACES
• THE ECONOMY OF HIGHWAY IMPROVEMENTS
• THE EFFECT OF CONTROL METHODS ON TRAFFIC FLOW-TRAFFIC MOVEMENTS AT SEVENTEENTH STREET AND CONSTITUTION AVENUE IN WASHINGTON, D.C.
• THE ENGINEERING VALUATION OF HIGHWAY SYSTEMS - A PROBLEM IN PUBLIC UTILITIES VALUATION
• THE PHOTOGRAPHIC METHOD OF STUDYING TRAFFIC BEHAVIOR
• THE TAXATION OF MOTOR VEHICLES IN 1932
• WEATHERING TESTS ON CONCRETE