Impact of Metro Rail Project Complexity on Leading Indicators of Construction Safety

MIAO Chungang; WANG Yao; HUANG Yuecheng; FANG Dongping; ZHANG Fan; XU Man

doi:10.3724/j.gyjzG25032804

Volume 55 Issue 12

Dec. 2025

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2025 > 55(12): 80-86

MIAO Chungang, WANG Yao, HUANG Yuecheng, FANG Dongping, ZHANG Fan, XU Man. Impact of Metro Rail Project Complexity on Leading Indicators of Construction Safety[J]. INDUSTRIAL CONSTRUCTION, 2025, 55(12): 80-86. doi: 10.3724/j.gyjzG25032804

Citation:

MIAO Chungang, WANG Yao, HUANG Yuecheng, FANG Dongping, ZHANG Fan, XU Man. Impact of Metro Rail Project Complexity on Leading Indicators of Construction Safety[J]. INDUSTRIAL CONSTRUCTION, 2025, 55(12): 80-86. doi: 10.3724/j.gyjzG25032804

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Impact of Metro Rail Project Complexity on Leading Indicators of Construction Safety

doi: 10.3724/j.gyjzG25032804

1. Department of Construction Management，Tsinghua University，Beijing 100084，China;
2. China Railway 14th Bureau Group Corporation Limited，Jinan 250014，China;
3. Central Research Institute of Building and Construction Co.，Ltd.，MCC Group，Beijing 100088，China

Received Date: 2025-03-28
Available Online: 2026-01-06
Publish Date: 2025-12-20

Abstract

Abstract

The complexity of metro rail projects poses a serious challenge to construction safety management， but existing studies have not yet clarified the specific influence mechanism on construction safety leading indicators such as safety leadership and safety culture. Based on the complex systems theory and Leadership-Culture-Behavior （LCB） theory， this study analyzes 238 managers' questionnaire data from 26 metro projects through structural equation modeling to reveal the differentiated impact paths of project complexity on safety leadership and safety culture. The results show that project complexity significantly weakens safety leadership and safety culture； technical complexity and organizational complexity jointly negatively affect safety leadership， and organizational complexity and environmental complexity together significantly negatively affect safety culture. It can be seen that organizational complexity significantly and negatively affects both types of construction safety leading indicators at the same time. This study reveals the influence mechanism of metro rail project complexity on construction safety leading indicators， and the results expand the application of LCB theory in complex engineering scenarios， providing empirical evidence for systematic control of project complexity.
- project complexity,
- safety leadership,
- safety culture,
- structural equation modeling

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References(37)

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