研究由一个总承包商与多个分包商组成的建筑材料供应链联合库存问题，在不允许缺货的情况下，建立了库存成本模型。传统独立库存与供应链联合库存的成本比较证明，供应链联合库存总成本低于传统独立库存总成本。并以一个总承包商、2个分包商为例，研究了联合库存下的成本分配问题，证明用Shapley值法分配成本，各参与方在供应链联合库存下分担的成本均低于传统独立库存下的成本。%Investigates the joint managed inventory(JMI) problems of construction materials supply chain consist-ing of one general contractor and multiple sub-contractors. On the condition that short supply is not allowed,establishes the inventory cost model. Comparing the traditional independent inventory cost and that of supply chain JMI, proves that the total cost of the JMI is lower. Taking one general contractor and two sub-contractors for an example, studies the cost allocation of joint managed inventory, and verifies that using Shapley value method to allocate the cost, the shared cost of each participant in supply chain JMI is lower than that of traditional independent inventory.
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