Proceedings of the Workshop on Evaluation of Cement and Concrete Laboratory Performance. Held in Tel Aviv, Israel on September 6-7, 1989

摘要

Contents: Current practice for assessing quality assurance systems in laboratories; R.N.E. - The French accreditation system for laboratories; Experience in obtaining R.N.E. accreditation; Link between test records on concrete and its ingredients obtained from different laboratories; Test frequency and precision of results; Experience with proficiency testing and round-robin testing in the United States; Evaluation of cement strength testing by four laboratories; Experience with interlaboratory testing in France; Comparative tests between 20 accredited laboratories; British comparative cube testing programs; Comparative investigation of compression testing machines for concrete cubes; Experience with a cement reference laboratory in Austria; Cooperation between a central cement laboratory and 60 plant laboratories; Quality assurance in the construction materials laboratory; Comparative compression cube tests between approved testing laboratories in Finland.