大坝浇筑交叉作业时空暴露风险研究

doi:10.16265/j.cnki.issn1003-3033.2019.12.003

中国安全科学学报 ›› 2019, Vol. 29 ›› Issue (12): 13-20.doi: 10.16265/j.cnki.issn1003-3033.2019.12.003

大坝浇筑交叉作业时空暴露风险研究

郑霞忠^1,2 教授, 周佳丽^**1, 陈述^1,2

1 三峡大学水利与环境学院,湖北宜昌 443002;
2 三峡大学安全生产标准化评审中心,湖北宜昌 443002

收稿日期:2019-09-09 修回日期:2019-11-09 出版日期:2019-12-28 发布日期:2020-11-24
通讯作者: ** 周佳丽(1995—),女,湖北孝感人,硕士研究生,研究方向为安全风险管理。E-mail:1244733972@qq.com。
作者简介:郑霞忠 (1963—),男,湖北鄂州人,博士,教授,主要从事安全科学与工程方面的研究。E-mail:zhengxz@126.com。
基金资助:
国家自然科学基金资助(51878385,51609128);三峡大学学位论文培优基金资助(2020SSPY014)。

Spatial-temporal exposure risk during cross operation in dam construction

ZHENG Xiazhong^1,2, ZHOU Jiali¹, CHEN Shu^1,2

1 College of Hydraulic & Environmental Engineering, China Three Gorges University, Yichang Hubei 443002, China;
2 Center of Standardization Evaluation for Production Safety, China Three Gorges University, Yichang Hubei 443002, China

Received:2019-09-09 Revised:2019-11-09 Online:2019-12-28 Published:2020-11-24

摘要/Abstract

摘要： 为探究大坝浇筑交叉作业时空暴露风险,首先,剖析大坝浇筑交叉作业危险暴露致灾情景,分解大坝浇筑施工工序;然后,界定危险源工序影响空间和承灾体工序工作空间,探究交叉作业时间分布特征,建立基于实时位置信息的时空暴露风险量化模型;最后,以我国西南某水电站为例,仿真模拟大坝浇筑仓面施工过程,确定时空暴露持续时间,并计算时空暴露频率。研究结果表明:仓面施工时空暴露持续时间共计1 905 s,时空暴露频率为16.85%,时空暴露风险主要集中于缆机重载减速水平运输、重载竖直下降、空载竖直提升以及空载加速水平运输这4个危险源工序。

关键词: 大坝浇筑, 交叉作业, 时空暴露, 实时位置, 危险源工序, 承灾体工序

Abstract: In order to study spatial-temporal exposure risks during cross operation in dam construction, firstly, disaster-causing situations of risk exposure were analyzed and dam construction processes were decomposed. Then, impact space of damage-energy processes and work space of hazard-affected processes were defined and a quantification model was proposed based on time distribution characteristics during cross operation and real-time location information of construction processes. Finally, with a hydropower station in southwest China as an example, simulation of construction processes in dam pouring was performed to determine duration and frequency of spatial-temporal exposure. The results show that total spatial-temporal exposure duration is 1 905 s while exposure frequency is 16.85%, and risks are mainly from damage-energy processes, including horizontal deceleration and downward transportation with heavy-load, upward and horizontal acceleration transportation with no-load.

Key words: dam construction, cross operation, spatial-temporal exposure, real-time location, damage-energy process, hazard-affected process

中图分类号:

X948

郑霞忠, 周佳丽, 陈述. 大坝浇筑交叉作业时空暴露风险研究[J]. 中国安全科学学报, 2019, 29(12): 13-20.

ZHENG Xiazhong, ZHOU Jiali, CHEN Shu. Spatial-temporal exposure risk during cross operation in dam construction[J]. China Safety Science Journal, 2019, 29(12): 13-20.

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大坝浇筑交叉作业时空暴露风险研究

Spatial-temporal exposure risk during cross operation in dam construction

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