Development of a Prototype Model to Establish an Economic Earthwork Plan that Includes the Selection of a Dump Site/Borrow Pit
Abstract
:1. Introduction
1.1. Background and Objective
1.2. Scope of Study and Methodology
2. Theoretical Review
2.1. Trend of Related Studies
2.2. Transshipment Transportation Model Theory
3. Development of Prototype Model for Establishing Optimal Spoil Hauling Plan
3.1. Algorithm for Optimizing Earthwork Hauling Plan
3.2. Influential Factors and Objective Function of Optimal Process Model for Earthwork Hauling Plan
3.2.1. Influential Factors
3.2.2. Objective Function
3.3. Development of Prototype Model for Earthwork Hauling Plan
4. Case Studies
4.1. Case Study 1
4.2. Case Study 2
5. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Factor | Equipment |
---|---|
F (volumetric conversion factor), E (work efficiency), Cm (one cycle time (s)), q (bucket capacity), K (bucket coefficient), t1 (time to fill bucket with spoil), t2 (Basic time such as gear change and time till following equipment arrives) | Loader |
F (volumetric conversion factor), E (work efficiency), Cm (one cycle time (s)), q (bucket capacity), K (bucket coefficient) | Excavator |
Q (loading capacity of dump truck), f (volumetric conversion factor), E (work efficiency), Cm (one cycle time (m)), Es (work efficiency of loader), n (cycle of loading machine to finish loading a dump truck), t1, t2, t3, t4, and t5 (components of one cycle time; m), hauling road and mean travel speed (V1, V2, V3, V4) | Dump truck |
Capacity of dump site/borrow pit, hauling distance, recyclable soil ratio | Others |
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Lee, S.H.; Son, J.; Lee, S.H. Development of a Prototype Model to Establish an Economic Earthwork Plan that Includes the Selection of a Dump Site/Borrow Pit. Sustainability 2017, 9, 74. https://doi.org/10.3390/su9010074
Lee SH, Son J, Lee SH. Development of a Prototype Model to Establish an Economic Earthwork Plan that Includes the Selection of a Dump Site/Borrow Pit. Sustainability. 2017; 9(1):74. https://doi.org/10.3390/su9010074
Chicago/Turabian StyleLee, Seung Hak, Jaeho Son, and Seung Hyun Lee. 2017. "Development of a Prototype Model to Establish an Economic Earthwork Plan that Includes the Selection of a Dump Site/Borrow Pit" Sustainability 9, no. 1: 74. https://doi.org/10.3390/su9010074