1.中国电力工程顾问集团西北电力设计院有限公司,陕西 西安 710075
2.福建理工大学土木工程学院,福建 福州 350118
3.山东大学岩土与地下工程研究院,山东 济南 250061
饶虎(1988—),男,硕士,高级工程师,研究方向为压缩空气储能地下洞室勘察设计,E-mail:raohu@nwepdi.com;
王刚,教授,研究方向为地下工程与压缩空气储能,E-mail:wanggang1110@gmail.com。
收稿:2026-05-22,
修回:2026-07-07,
网络首发:2026-07-18,
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饶虎, 王刚, 庞明港, 等. 压气储能隧道式储气库衬砌厚度配置力学响应与高压开裂研究[J]. 储能科学与技术, XXXX, XX(XX): 1-13.
RAO Hu, WANG Gang, PANG Minggang, et al. Mechanical response and high-pressure cracking of lining thickness configurations in compressed air energy storage tunnel-type gas reservoirs[J]. Energy Storage Science and Technology, XXXX, XX(XX): 1-13.
饶虎, 王刚, 庞明港, 等. 压气储能隧道式储气库衬砌厚度配置力学响应与高压开裂研究[J]. 储能科学与技术, XXXX, XX(XX): 1-13. DOI: 10.19799/j.cnki.2095-4239.2026.0460.
RAO Hu, WANG Gang, PANG Minggang, et al. Mechanical response and high-pressure cracking of lining thickness configurations in compressed air energy storage tunnel-type gas reservoirs[J]. Energy Storage Science and Technology, XXXX, XX(XX): 1-13. DOI: 10.19799/j.cnki.2095-4239.2026.0460.
地下衬砌岩洞是压缩空气储能最具前景的储气方式之一,但不同衬砌厚度配置下储气库力学响应规律及高内压下衬砌裂缝演化规律仍缺乏系统研究。本文以花岗岩地层典型隧道式储气洞室为研究对象,基于Abaqus建立隧道式储气库有限元模型,并引入内聚区模型,研究不同衬砌厚度组合及储气压力下衬砌-围岩体系的力学响应与开裂特征。研究结果表明:(1)储气与放气阶段衬砌厚度效应显著。随着厚度增大,拱腰水平变形由-3.95 mm减小至-2.54 mm,放气阶段变化规律基本一致;(2)随着衬砌厚度增大,围岩最大塑性应变降幅超过50%,在储气阶段由1.29×10
3
με降至0.69×10
3
με;(3)初期支护和二次衬砌的最大主应力随厚度增大而降低,其中二次衬砌厚度超过0.7 m后降幅趋缓;(4)内聚区模型结果表明,裂缝首先萌生于拱顶附近,主要由洞内向洞外扩展;放气后裂缝宽度随最大储气压力升高而增大;当储气压力达17.5 MPa时,拱顶衬砌裂缝贯通,裂缝宽度骤增至28.84 mm。研究成果可为地下储气洞室衬砌优化设计及高压稳定性评价提供理论依据。
Underground lined rock caverns represent one of the most promising methods for compressed air energy storage (CAES). However
systematic investigations into the mechanical behavior of gas reservoirs under varying lining thickness configurations and the evolution of lining cracks under high internal pressures remain limited. This study examines a typical granite tunnel-type gas storage cavern. A finite element model of the tunnel-type gas storage reservoir was developed in Abaqus
incorporating a cohesive zone model to analyze the mechanical response and cracking behavior of the lining–surrounding rock system under different lining thicknesses and gas storage pressures. The results show that: (1) lining thickness has a pronounce
d influence during both the gas storage and gas release stages. As the lining thickness increases
the horizontal deformation at the arch waist decreases from -3.95 mm to -2.54 mm
and a similar trend is observed during the gas release stage; (2) the maximum plastic strain in the surrounding rock is reduced by more than 50% with increased lining thickness
from 1.29×10
3
με to 0.69×10
3
με during gas storage; (3) the maximum principal stress of the initial support and secondary lining declines with increasing thickness
and this reduction gradually levels off once the secondary lining thickness exceeds 0.7 m; (4) the cohesive zone model indicates that cracks first initiate near the crown and mainly propagate from the cavern interior outward; after gas release
the crack width increases with the maximum gas storage pressure; when the gas storage pressure reaches 17.5 MPa
through-cracking occurs in the crown lining
and the crack width increases sharply to 28.84 mm. These findings provide a theoretical basis for the optimal design of linings for underground gas storage caverns and for the evaluation of stability under high internal pressure.
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