Different clustering methods featuring varied principles needed being comparatively opted. Clustering effect estimation coefficient was adopted to highway transportation research, and the best one out of clustering methods was evaluated as well as chose after comparing their findings. True as empirical analyses prove, this method is simple yet feasible, and its results are in accordance with the real conditions as well.
The introduction of the thought of supply chain management into the construction industry can improve the competitiveness of enterprises. Based on the integration of both the effect of the supply chain as well as supply chain management and the actual situation, this paper analyzed the necessity of the construction and implementation of supply chain management of the construction enterprise. Compared with the supply chain of manufacturing industry, we found it feasible to implement supply chain management in the construction industry and analyzed the obstacles in it. Finally, it pointed out that the clustering of construction materials, information technology, business process reengineering, outsourcing of projects logistics and so on were the basis of constructing supply chain management of the construction enterprise, and accordingly the joint-design supply chain model of the project cost-oriented and the responsiveness-oriented was established.
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