7. Given the following information on a shovel/truck operation. determine the number of bucket loads and the number of t
Posted: Wed May 04, 2022 8:43 am
7. Given the following information on a shovel/truck operation.
determine the number of bucket loads
and the number of trucks at the highest production rate.
1_Shovel has a 3-cy bucket.
2_ Shovel cycle time is 20 sec.
3_Bucket fill factor is 1.05.
4_Job efficiency is 50-min per hour and job condition
unfavorable.
5_Maximum heaped volume of the rear-dump truck is 25 LCY.
6_Maximum payload is 56.000 lb.
7_Material unit weight is 2.650 lb/LCY.
8_Total truck travel time for haul and return is 8 min.
determine the number of bucket loads
and the number of trucks at the highest production rate.
1_Shovel has a 3-cy bucket.
2_ Shovel cycle time is 20 sec.
3_Bucket fill factor is 1.05.
4_Job efficiency is 50-min per hour and job condition
unfavorable.
5_Maximum heaped volume of the rear-dump truck is 25 LCY.
6_Maximum payload is 56.000 lb.
7_Material unit weight is 2.650 lb/LCY.
8_Total truck travel time for haul and return is 8 min.