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http://dx.doi.org/10.5345/JKIC.2009.9.6.105

Estimation of Construction Equipment Production Rates based on Simulation;Cycle time of backhoe & loader  

Han, Ye-Ryeong (한국건설기술연구원)
Park, Hee-Sung (한밭대학교 토목공학과)
Chang, Chul-Ki (건설산업연구원)
Publication Information
Journal of the Korea Institute of Building Construction / v.9, no.6, 2009 , pp. 105-111 More about this Journal
Abstract
Construction equipment is a very important factor for successful construction. Also, the cost for construction equipment is a major part of the cost of construction. Therefore, the estimation of the equipment cost is a critical task in construction planning. A formula for production rates shown in 'Standard Unit Labor' has been used to estimate construction equipment capability and cost. Although the performance of the equipment has improved over time, the variables in the formula have not been updated in a timely manner. Therefore, this paper has analyzed the preceding research, and performed several site visits to measure the cycle time of a backhoe and a loader. Construction equipment production rates were calculated with collected cycle times and variables given in 'Standard Unit Labor'. In addition,production rates were estimated considering the circumstances of various sites with the simulation program 'crystal ball.'
Keywords
Heavy equipment; Construction equipment capability; Cycle time; Simulation;
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