长沙理工大学学报(自然科学版)
压气储能遂昌地下储气库结构应力变形特性数值研究
作者:
作者单位:

(1.长沙理工大学水利与环境工程学院,湖南长沙 410114;2.长沙理工大学水沙科学与水灾害防治湖南省重点实验室,湖南长沙 410114)

作者简介:

蒋中明(1969-),男,教授,主要从事能源地下储气库及岩土工程稳定性理论方面的研究。

通讯作者:

蒋中明(1969-),男,教授,主要从事能源地下储气库及岩土工程稳定性理论方面的研究。

中图分类号:

TK02

基金项目:

国家自然科学基金资助项目(51778070);长沙理工大学实践创新与创业能力提升计划项目(SJCX201936)


Numerical study on stress and deformation characteristics of structure of underground gas storage for CAES in Suichang
Author:
Affiliation:

(1.School of Hydraulic and Environmental Engineering,Changsha University of Science & Technology,Changsha 410114,China;2.Key Laboratory of Water-Sediment Sciences and Water Disaster Prevention of Hunan Province,Changsha University of Science & Technology,Changsha 410114,China)

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    摘要:

    为了解压气储能地下储气库结构应力变形特性,以浙江遂昌拟建压气储能电站地下储气库为研究 对象,采用热力耦合理论对运行条件下储气库的密封层、衬砌、围岩的应力变形特性及其变化过程进行了研 究。研究表明:在循环充放气条件下,因储气库内压缩空气与密封层之间的热交换致使密封层温度出现较大 幅度上升,而混凝土衬砌和围岩温度上升幅度较小。在距洞壁较近处,各结构层在高压作用下产生了较大的 应力和位移,但随着与洞壁表面距离的增加,应力和位移逐渐减小。各结构层应力和变形均在允许范围内, 储气库围岩稳定性良好。在循环压力的作用下,各结构层温度、位移及应力均呈现周期性的变化特征,且距 洞壁越近,其变化幅度越大,而远离洞壁的围岩的温度及力学响应明显滞后。

    Abstract:

    The passengers' transfer time demand is an important factor that should be considered when responsive feeder transit provides transfer service.Therefore,a methodtocoordinate and optimize the operation paths and the dispatching of responsive feeder transit considering the transfer time demand was proposed.First,passengers was classified according to whether they had specific transfer schedules.Then,taking the responsive feeder transit under the simultaneous pickupand delivery mode as the research object,taking the sum of the utility weights of passengers and operators being maximal as the goal,and taking the passengers' transfer time demand,the passengers' appointment time window,the capacities of the vehicles,and the maximal one-way travel time of the vehicles as constraints,an integrated coordination optimization model for departure intervals and operation paths was established,and asolution algorithm based on genetic algorithm was designed.Finally,the are around Shangshuangtang Station of Changsha Metro Line 1 was taken as an example for the case analysis.There sults show that compared with the single pickup and single delivery mode,the total system utility of the simultaneous pick up and delivery mode has increased by 17.1%,and it has significant advantages.The passengers' transfer time demand leads to the total system utility decreased by 9.42%,but the paessengers'transfer efficiency is improved by considering the transfer time demand,so the reduced total system utility is acceptable.Medium and small vehicles are suitable for the responsive feeder transit system.

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引用本文

蒋中明,李小刚,万 发,等.压气储能遂昌地下储气库结构应力变形特性数值研究[J].长沙理工大学学报(自然科学版),2021,18(3):79-86.
JIANG Zhong-ming, LI Xiao-gang, WAN Fa, et al. Numerical study on stress and deformation characteristics of structure of underground gas storage for CAES in Suichang[J]. Journal of Changsha University of Science & Technology (Natural Science),2021,18(3):79-86.

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  • 在线发布日期: 2022-03-05
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