The optimized assured isolation facility (AIF) consists of waste shipping containers being placed inside steel-reinforced concrete overpacks, which are, in turn, placed in steel-reinforced concrete vaults without an earthen cover system. The concrete vaults are designed to remain in service for...

Purpose: The purpose of this paper is to perform non‐parametric production efficiency analysis of cement companies in India. Relative technical and scale efficiencies are estimated for the year 2005‐2006. Design/methodology/approach: Data envelopment analysis (DEA) has been used to calculate...

Purpose – To develop just‐in‐time (JIT) purchasing threshold value (JPTV) models for ready mixed concrete (RMC) suppliers to decide whether or not to switch from an economic order quantity (EOQ) approach to a JIT purchasing approach for the purchase of their raw materials, when a price...