层间热失配与滑移引起的浅埋压气储能内衬洞室承载特性与设计建议

王子君; 闫志远; 闻锐; 沈雷; 张继勋; 任旭华

doi:10.19799/j.cnki.2095-4239.2026.0433

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层间热失配与滑移引起的浅埋压气储能内衬洞室承载特性与设计建议

储能XXXX | 更新时间：2026-07-20

- 层间热失配与滑移引起的浅埋压气储能内衬洞室承载特性与设计建议
- Load characteristics and design recommendations for lined rock caverns in shallow-buried compressed air energy storage considering thermal strain mismatch and interlayer slip
- 储能科学与技术 2026年页码：1-12
- 作者机构：
  
  1.河海大学水利水电学院，江苏南京 210024
  2.上海勘测设计研究院有限公司，上海 200434
- 作者简介：
  
  王子君（2002—），女，硕士研究生，研究方向为压缩空气储能地下结构，E-mail：241602010101@hhu.edu.cn；
  沈雷，副教授，研究方向为抽水蓄能和压气储能地下洞室结构安全分析，E-mail：shenl@hhu.edu.cn。
- 基金信息：
  
  国家自然科学基金资助项目(12572240;U25B20223);上海勘测设计研究院有限公司科研项目(2024-（S-2）W-0033)
- DOI：10.19799/j.cnki.2095-4239.2026.0433
  中图分类号： TK 02
- 收稿：2026-05-18，
  
  修回：2026-06-19，
  
  网络首发：2026-07-18，
- 稿件说明：
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王子君, 闫志远, 闻锐, 等. 层间热失配与滑移引起的浅埋压气储能内衬洞室承载特性与设计建议[J]. 储能科学与技术, XXXX, XX(XX): 1-12.

WANG Zijun, YAN Zhiyuan, WEN Rui, et al. Load characteristics and design recommendations for lined rock caverns in shallow-buried compressed air energy storage considering thermal strain mismatch and interlayer slip[J]. Energy Storage Science and Technology, XXXX, XX(XX): 1-12.
王子君, 闫志远, 闻锐, 等. 层间热失配与滑移引起的浅埋压气储能内衬洞室承载特性与设计建议[J]. 储能科学与技术, XXXX, XX(XX): 1-12. DOI： 10.19799/j.cnki.2095-4239.2026.0433.

WANG Zijun, YAN Zhiyuan, WEN Rui, et al. Load characteristics and design recommendations for lined rock caverns in shallow-buried compressed air energy storage considering thermal strain mismatch and interlayer slip[J]. Energy Storage Science and Technology, XXXX, XX(XX): 1-12. DOI： 10.19799/j.cnki.2095-4239.2026.0433.

摘要

压缩空气储能电站的浅埋储气洞室承受高内压（大于地应力）和大温差等循环荷载作用，其“钢板密封层-混凝土衬砌-围岩”复合内衬的承载特性是结构设计的重要依据。本文针对内蒙古在建148 m埋深的储气洞室，采用热弹塑性损伤和热接触模型分析充放气循环过程中复合内衬的承载变化规律，研究发现：在高温高压的充气储能工况下，钢材热膨胀性能大于混凝土与岩石，导致复合内衬层间产生温度应变（热）失配现象，当考虑层间摩擦接触滑移效应时，混凝土衬砌因与钢板密封层之间发生滑移导致裂缝宽度增加，而对应钢板密封层应力下降（87.4 MPa）；在低温低压的放气发电工况下，此时复合内衬总体变形较小，但钢板密封层产生最大的冷缩应变，其弹性应变增加，进而产生循环周期最大弹性应力（272.6 MPa），以满足衬砌整体变形协调，说明该工况才是钢板密封层设计依据；上述运行工况分析揭示了浅埋储气洞室荷载在围岩-混凝土衬砌-钢板密封层之间的循环转移机制，说明浅埋储气洞室在设计计算时需要考虑热失配和层间滑移的作用。

Abstract

Shallow-buried air storage caverns in compressed air energy storage (CAES) power stations are subjected to cyclic loadings of high internal pressure (exceeding in-situ stress) and significant cyclic temperature variations. The load-bearing behavior of the "steel sealing layer-concrete-rock" composite lining serves as a critical basis for structural design. Focusing on an under-construction underground CAES cavern at a buried depth of 148m in Inner Mongolia

this study analyzes the evolution of the load-bearing capacity of the composite lining during charge-discharge cycles considering the thermo-elastoplastic damage and thermal contact behavior. It is found that

during high temperature and pressure charging stage

thermal strain mismatch occurs between steel sealing layer-concrete-rock caused by different thermal expansion coefficients. When considering interlayer frictional slip effects

the crack widths in the concrete lining increases due to the relative slip between the concrete lining and the steel sealing layer. Correspondingly

the stress of steel sealing layer decrease to 87.4 MPa. During the low temperature and pressure discharging stage

the steel sealing layer presents a maximum elastic strain and thus generates the maximum stress (272.6 MPa)

although the overall lining deformation is relatively small. These results demonstrate that the discharging stage constitutes the critical basis for steel sealing layer structure design. In summary

the thermo-mechanical analysis of aforementioned the operating conditions reveals a cyclic load transfer mechanism among the surrounding rock-concrete lining-steel sealing layer. These results underline the necessity of accounting for thermal mismatch and interlayer slip in the structural design calculations for shallow-buried air storage caverns.

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