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035 _a.b10455917
099 9 _aAIT Thesis no. 847
100 1 _aNi, Eel-jeu
245 1 0 _aMultifactor concrete mix design
260 _aBangkok :
_bAsian Institute of Technology,
_c1975
300 _a62 p.
490 1 _aThesis ;
_vno. 847
500 _aA thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering of the Asian Institute of Technology, Bangkok, Thailand.
502 _aThesis (M.Eng.) - Asian Institute of Technology, 1975
520 _aIn this thesis, several proportioning methods for both the normal weight concrete and the light weight concrete have been reviewed. The unit water method is used for normal weight concrete and the ACI method with some modifications is used for light weight concrete. A comparison has been made between two methods based on multifactor optimization principle and on monofactor optimization principle respectively. These two programs are nearly the same from an economic point of view , if the same water cement ratio-strength relationship is used. The information stored in the computer is for a particular aggregate and ordinary Portland cement. Therefore, the program cannot be considered generally applicable for all aggregate and cement types. Because of the lack of information, trial mix adjustment is proposed for strength and workability only; adjustment techniques for volume change, thermal conductivity and sound transmission are recommended for future research.
650 0 _aConcrete mixers
650 0 _aConcrete construction
700 1 _aCook, David J.,
_eChairperson
700 1 _aPama, Ricardo P.,
_eExamination Committee
700 1 _aJearkjirm, Vithool,
_eExamination Committee
810 2 _aAsian Institute of Technology.
_tThesis ;
_vno. 847
856 _3Full-Text
_uhttp://203.159.5.9/ait-thesis/detail.php?q=B24097
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