基于物联网的大型地下洞室群施工期动态安全评价与预警方法研究

doi:10.13722/j.cnki.jrme.2014.11.015

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摘要大型地下洞室群施工过程中受到各种复杂因素的影响，实时准确评价工程安全并及时预警具有重要的工程意义。引入物联网技术，搭建施工信息采集平台，实现洞室群内外部数据的实时动态采集与传输。基于强度折减的思想，以数值模拟为主要手段，提出基于实时数值仿真的地下洞室群施工期围岩劣化损伤折减计算方法，给出施工期任意施工状态下的围岩变形动态预警指标及标准。通过混合使用多层次模糊综合评价方法中的合成算子，提出基于实测性态的地下洞室群安全性实时综合评价与预警方法。发生警情后，基于实时的洞室群交通拓扑网络为每个施工人员提供最佳疏散路径，并通过物联网信息传输平台即时发送至手持PDA。最后，基于Python+VB.net混合编程技术开发大型地下洞室群施工期安全实时评价与动态预警系统，该系统实现了地下工程施工过程的动态安全预警及应急疏散指挥调度，为工程及生命安全提供有力保障。

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关键词 ：地下工程, 地下洞室群, 安全评价, 动态预警, 物联网, 强度折减法

Abstract：A platform for construction information collecting was established using the internet of things. The real-time dynamic data transmission to and from the inside and the outside of underground cavern group was achieved. A calculation method of the damage reduction of surrounding rock during construction was proposed to provide the dynamic warning indicator of surrounding rock at any construction state based on the method of strength reduction and numerical simulations. A method of real-time comprehensive evaluation and early warning using the mixed composition operators was proposed based on the observed behavior. If an alert occurs，the best route for evacuation will be provided by the system and sent to the PDA for everyone in the underground cavern group. Finally，a real-time method of safety evaluation and early warning system for large-scale underground cavern group were developed based on a mixed programming technology with Python and VB.net. The system realizes the dynamic early warning and emergency directing during construction，providing safety guarantee for engineering and lives.

Key words： underground engineering underground cavern group safety evaluation dynamic warning internet of things method of strength reduction

收稿日期: 2014-06-30

引用本文:

撒文奇1，张社荣2，张连明1. 基于物联网的大型地下洞室群施工期动态安全评价与预警方法研究[J]. 岩石力学与工程学报, 2014, 33(11): 2301-2313.
SA Wenqi1，ZHANG Sherong2，ZHANG Lianming1. REAL-TIME SAFETY EVALUATION AND EARLY WARNING OF LARGE-SCALE UNDERGROUND CAVERN GROUP DURING CONSTRUCTION PERIOD BASED ON INTERNET OF THINGS. , 2014, 33(11): 2301-2313.

链接本文:

http://www.rockmech.org/CN/10.13722/j.cnki.jrme.2014.11.015 或 http://www.rockmech.org/CN/Y2014/V33/I11/2301

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