NUMERICAL ANALYSIS OF CONTACT TRANSFERRING MECHANISM BETWEEN STEEL LINING AND SURROUNDING ROCK IN UNDERGROUND GAS STORAGE CAVERN OF CAES POWER PLANT

Fu Dan; Wu Hegao; Li Peng; Zhang Migaoyang

doi:10.19912/j.0254-0096.tynxb.2023-1886

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NUMERICAL ANALYSIS OF CONTACT TRANSFERRING MECHANISM BETWEEN STEEL LINING AND SURROUNDING ROCK IN UNDERGROUND GAS STORAGE CAVERN OF CAES POWER PLANT

更新时间：2025-10-18

- NUMERICAL ANALYSIS OF CONTACT TRANSFERRING MECHANISM BETWEEN STEEL LINING AND SURROUNDING ROCK IN UNDERGROUND GAS STORAGE CAVERN OF CAES POWER PLANT
- Vol. 46, Issue 3, Pages: 25-33(2025)
- 作者机构：
  
  1. 武汉轻工大学土木工程与建筑学院,武汉 430023
  2. 武汉大学水资源工程与调度全国重点实验室,武汉 430072
  3. 中国电建集团中南勘测设计研究院有限公司,长沙 410014
  4. 中国能源建设集团广东省电力设计研究院有限公司,广州 510663
- 作者简介：
- 基金信息：
- DOI：10.19912/j.0254-0096.tynxb.2023-1886
  CLC： TK02
- Published Online：07 April 2025，
  
  Published：2025
- 稿件说明：
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傅丹, 伍鹤皋, 李鹏, 张米高杨. 压气储能地下洞室密封钢衬-围岩之间循环接触传力行为的数值模拟[J]. 太阳能学报, 2025, 46(3): 25-33.

Fu Dan, Wu Hegao, Li Peng, et al. NUMERICAL ANALYSIS OF CONTACT TRANSFERRING MECHANISM BETWEEN STEEL LINING AND SURROUNDING ROCK IN UNDERGROUND GAS STORAGE CAVERN OF CAES POWER PLANT[J]. 2025, 46(3): 25-33.
傅丹, 伍鹤皋, 李鹏, 张米高杨. 压气储能地下洞室密封钢衬-围岩之间循环接触传力行为的数值模拟[J]. 太阳能学报, 2025, 46(3): 25-33. DOI： 10.19912/j.0254-0096.tynxb.2023-1886.

Fu Dan, Wu Hegao, Li Peng, et al. NUMERICAL ANALYSIS OF CONTACT TRANSFERRING MECHANISM BETWEEN STEEL LINING AND SURROUNDING ROCK IN UNDERGROUND GAS STORAGE CAVERN OF CAES POWER PLANT[J]. 2025, 46(3): 25-33. DOI： 10.19912/j.0254-0096.tynxb.2023-1886.

摘要

地下浅埋硬岩储气库中密封钢衬与衬砌混凝土（围岩）之间为接触传力关系

是决定钢衬-衬砌-围岩联合承载状态与钢衬应力的重要因素之一。依托国内人工开挖的硬岩地下储气库工程

基于ABAQUS平台开展气压-气温作用下钢衬-混凝土循环接触传力行为与结构周期性力学响应特征研究。结果表明：气压会导致围岩顶部和底部出现较大塑性区

卸压后围岩不可恢复的变形导致钢衬-混凝土之间的缝隙增大

且在重力影响下集中出现在钢衬顶部;卸压检修后再次充气运行

钢衬-混凝土接触压力及钢衬应力重分布

顶部接触压力有所减小而钢衬应力明显增大

成为断裂高风险区;气温变化主要引起衬砌混凝土温度循环波动

对钢衬-混凝土接触压力表现为温升增幅、温降减幅

对钢衬应力表现为削减应力峰值与应力变幅。在分析密封钢衬强度与疲劳寿命时

需合理考虑钢衬-混凝土接触传力行为。

Abstract

The contact transferring relationship between the steel lining and the backfill concrete in the shallow buried cavern with hard rock is one of the important factors in determining the joint bearing state of steel lining-concrete lining-surrounding rock and the stress level of the steel lining. In this paper

based on the first excavated hard rock gas storage cavern in China

a study on the cyclic contact transferring behavior between steel lining and concrete lining is carried out based on the ABAQUS platform. This study also elucidated the periodic mechanical response characteristics of the composite structure under the air pressure and air temperature. The results show that the air pressure leads to a large plastic zone at the top and bottom of the surrounding rock

and the irrecoverable deformation of the surrounding rock leads to an increase in the gap between the steel lining and concrete lining after pressure removal. The gap is concentrated at the top of the steel lining under the influence of gravity. For continue running after inspection

the contact pressure between the steel lining and the concrete lining and the steel lining’s stresses experience redistribution. The top contact pressure decreases while the steel lining’s stresses increases significantly

becoming a high risk area for fracture. The air temperature changes mainly cause temperature cycling fluctuations in concrete lining. For contact pressure

temperature rise leads to contact pressure increases and temperature drop leads to contact pressure decreases

while the temperature effect for the stresses of the steel lining is reducing stress peak and stress amplitude. When analyzing the strength and fatigue life of sealed steel lining

the contact transferring behavior between steel lining and concrete lining need to be reasonably considered.

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