Identification of Key Risk Nodes and Invulnerability Analysis of Construction Supply Chain Networks

Author:

Wang Hongchun1ORCID,Zhou Zixiang1

Affiliation:

1. School of Urban Economics and Management, Beijing University of Civil Engineering and Architecture, Beijing 102616, China

Abstract

The construction supply chain confronts interruption risks that raise significant concerns regarding industry safety and stability. Consequently, exploring risk management strategies from both enterprise and supply chain network perspectives is crucial. This study employs complex network theory and the cascade failure model to propose a methodology tailored to the unique characteristics of the construction supply chain, facilitating the identification of key risk nodes and the conduct of invulnerability analyses. By evaluating the importance of construction enterprise nodes and their risk propagation ability during cascade failures, this method enables the comprehensive identification of key risk node enterprises within the construction supply chain network. Furthermore, this study examines and discusses strategies for enhancing network invulnerability by taking into account node capacity, load, and resilience. Empirical results indicate that the key nodes and risk nodes in the construction supply chain network are mainly located upstream and downstream, displaying specific distribution patterns. In addition to core enterprises, key risk nodes comprise some strong suppliers at the intermediary and lower tiers of the supply chain. Adjustments to node enterprise parameters like capacity, load, and resilience have diverse impacts on the invulnerability of the construction supply chain network. This study clarifies the distribution patterns of key risk nodes within the construction supply chain network and the variations in network invulnerability under particular conditions, providing valuable insights for risk management decision-making.

Funder

National Natural Science Foundation of China “Research on Collaborative Regulation of Urban Logistics Supply Chain Based on Network Theory”

National 14th Five-Year Key Research and Development Plan Project “Multi-Layer Complex Network Pinning Coordination Mechanism of Large-scale Parts Supply Chain”

Publisher

MDPI AG

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