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<br />I,~- <br /> <br />~ <br />:=l <br />~ <br />N <br /> <br />. <br /> <br />CONCRETE MANUF ACTURl!, HANDLING, AND CONTROL <br /> <br />CH:\PTER VI-CONCRETE CONTROL <br /> <br />GENERAL <br /> <br />8ECTION <br />83 Orga.nization ......,......,................................. <br />84- Control office...,............. . .. .... ..,..... ...... .' ..... <br />85 Field laboratories......... . . . . . . . . . . . . , . . . . . . . . . . . . . . . . . . . . . . . . <br /> <br />MATERIALS <br /> <br />86 Cement manufacture and blending............ .. . ,.. ." . <br />87 Aggregate production. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <br />88 SlUld classification.. . . . . ... . . . " . . . . ... . . . .. . .. . . . . .. . . <br />89 Gravel separation and undersi~e. . . . . . . ~. .. . . , . . . . .. . .. , . . . .. . . .. . .. .. . <br /> <br />CONCRETE MANUFACTURE <br /> <br />90 Concrete mixes... . . . " . . . . . .. .. . .. . . . . . . . .. . . . . . . . . . . . . . . . . . . .. ..... <br />91 Batching........................................................... <br />92 Mixing .... ............................. -.......................... <br />93 Consistency ........................................................ <br />94 Temperature records.......,....,..,....,."........,..........,..... <br />95 Sampling and testing."...,..................... ..................... <br />96 Strength tests..............................,.....................,.. <br /> <br />CONCRETE' HANDLING <br /> <br />97 Forms and placing.................................................,. 234- <br />98 other handling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ,". . . . 235 <br /> <br />PAGE <br />187 <br />187 <br />188 <br /> <br />192 <br />196 <br />199 <br />206 <br /> <br />208 <br />212 <br />217 <br />218 <br />223 <br />226 <br />226 <br /> <br />1 <br /> <br />I <br />, <br />I <br />, <br /> <br />i <br /> <br />'1 <br /> <br />ij <br />I <br />I <br />, <br />j <br />; <br /> <br />~ <br /> <br />; <br />, <br />1 <br />:1 <br />, <br />~ <br />, <br />i <br />. <br />i <br />, <br />