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<br />o <br /> <br />0) <br /> <br />~.., <br />C'\I <br /> <br />o <br /> <br />CONTENTS <br /> <br />CHAPTER lX-COMPARISON OF TEST RESULTS <br />OBTAINED IN VARIOUS LABORATORIES <br /> <br />INTRODUCTION <br /> <br />Section <br />437 General <br /> <br />VERfFICATION OF RESULTS OF NATIONAL BUREAU OF STANDARDS <br />EARLY TESTS <br /> <br />438 Basic information veri6ed by later investigations <br /> <br />COMPARISON OF RESULTS OBTAINED AT BERKELEY AND AT <br />DENVER ON THE SAME CEMENTS <br /> <br />439 Cements common to both investigations; ratios of values. <br />440 Heat of hydration <br />441 Compressive strength <br />442 Strength-heat ratio <br />443 Initial and final set <br />444 Normal consistency <br />44 5 Fineness <br />446 Chemical analyses <br />447 Insoluble residue and sulfuric anhydride <br />448 Loss on ignition <br />449 Speci6c gravity <br /> <br />COMPARISON OF CONTRIBUTION FACTORS TO HEAT OF <br />HYDRATION FOUND IN VARIOUS INVESTIGATIONS <br /> <br />450 General <br />4ft Contribution factors obtained ;lot Berkeley, Riverside, and Denver <br /> <br />SUPERIORITY OF LABORA TORY CEMENTS <br /> <br />452 General <br />453 Comparison of individual cements <br />4f4 Averages for cements tested at Berkeley <br />455 Averages for cements tested at Denver <br /> <br />EXCEPTIONAL CASES <br /> <br />456 Unusual properties exhibited by some cements <br />457 Possible reasons. for unusual behavior of some cements <br /> <br />COMPARISON OF TEST RESULTS OBTAINED BY THE NATIONAL BUREAU <br />OF STANDARDS, THE RIVERSIDE CEMENT COMPANY, AND <br />THE BUREAU OF RECLAMATION <br /> <br />458 General <br />459 Comparison of results of compressive strength tests <br />460 Comparison of results of miscellaneous tests <br /> <br />CHAPTER X-SUPPLEMENTARY INFORMATION <br /> <br />OTHER CEMENTS INVESTIGATED AT DENVER <br /> <br />461 Genet'al discussion <br />462 D14NA <br /> <br />XXI <br /> <br />Pagr <br />487 <br /> <br />487 <br /> <br />488 <br />488 <br />488 <br />493 <br />493 <br />493 <br />493 <br />493 <br />4" <br />4" <br />4" <br /> <br />4" <br />4" <br /> <br />496 <br />497 <br />498 <br />499 <br /> <br />501 <br />501 <br /> <br />'02 <br />502 <br />'02 <br /> <br />'07 <br />'07 <br />