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<br />~ <br />.~ <br />~ <br />cJ <br /> <br />.:'.J <br /> <br />CONTENTS <br /> <br />xv <br /> <br />CHAPTER VII-MATERIALS AND TEST PROCEDURE <br />FOR PERMEABILITY TESTS <br /> <br />MATERtALS <br />Section Page <br />202 Aggregate___________________________________________________ 239 <br />203 Ceraents_____________________________________________________ 239 <br />204 Water_uu _ _ _ _ _ u _____ u_ u u______ u_ ____u _ ____ _~--------- 243 <br /> <br />MIX PROPORTIONS AND TEST 'SPECIMENS <br /> <br />205 Mix proportions___ __ __ ___ _ __ ___ ____ _ __ _'-_____________________ 243 <br />206 Fabrication of test specimens_________..:__.:._____________________ 244 <br />207 Curing of test specimensH,___ __ _ __ _ h_ h u_ nnUU_h.______h 244 <br /> <br />TEST APPARATUS <br />208 High-pressure units__ ___ __. ___. ______u_u__.___._______._____ 246 <br />209 Low-pressure units.hh____ __ __ _ _____ ______n___.____u____ _h 250 <br /> <br />TEST METHODS <br /> <br />210 Preparation and sealing of specimensnnn____nnn_n___nnn 250 <br />211 Permeability test proceduren __ _ _ _ _ _ _ _ h __ _ __ __ __ _ __ _ _ _ _ _ _ _ _ _ __ 253 <br />212 Computations___ __ ~ ~ __ _ __ _ _ _ __ __ _ ._.h __h__ _________ ___un_ 253 <br /> <br />LIST OF BULLETINS_h_ _.u_____.________... u_u_n___.__ __ 255 <br />