... 720 /17 0=4.2 11 0 90x4+60x5 =660 660 /11 0=6 12 5 90x5+60 = 510 510 /12 5=4 .1 10 10 0 90x6+60x4 =780 780 /10 0=7.8 14 4 12 0+90x5 =570 570 /14 4=3.96 11 0 90x9= 810 810 /11 0=7.4 (m / h) BATCHING CAPACITY/ NUMBERS OF TRUCKS ... McGuire, 19 84; Schonberger, 19 82a, 19 82b, 19 84, 19 86 Finch, 19 86; Heard, 19 85, 19 86; Schonberger, 19 82a, 19 82b, 19 84, 19 86; Williams and Tice, 19 84; Youngkin, 19 84 Ramarapu et al., 19 94 Hall, 19 83; ... 60x3 16 60x3 =18 0 18 0 /16 =11 .25 H Shapingba District Sha Ping Ba 60 60x1=60 60/8=7.5 I Jiulongpuo District Jiu Long Puo 60x2 12 60x2 =12 0 12 0 /12 =10 J Jiangbei District Miao Kou 60, 90 15 60+90 =15 0 15 0 /15 =10 ...