|本期目录/Table of Contents|

[1]韩聪,王汉鹏,张冰,等.地下储气库衬砌低渗材料研制与气密封效果研究[J].建筑科学与工程学报,2025,42(04):105-114.[doi:10.19815/j.jace.2023.11033]
　HAN Cong,WANG Hanpeng,ZHANG Bing,et al.Development of low-permeability materials for underground gas storage lining and research on gas sealing effect[J].Journal of Architecture and Civil Engineering,2025,42(04):105-114.[doi:10.19815/j.jace.2023.11033]
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地下储气库衬砌低渗材料研制与气密封效果研究(PDF)
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《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:
42卷
期数:
2025年04期
页码:
105-114
栏目:
建筑材料
出版日期:
2025-07-10

文章信息/Info

Title:
Development of low-permeability materials for underground gas storage lining and research on gas sealing effect
文章编号:
1673-2049(2025)04-0105-10
作者:
韩聪1,2,王汉鹏1,2,张冰1,2,邢文彬1,2,王粟1,2,蔡恒1,2,于欣平1,2
(1. 山东大学 隧道工程灾变防控与智能建养全国重点实验室,山东 济南 250002; 2. 山东大学 齐鲁交通学院,山东 济南 250002)
Author(s):
HAN Cong1,2, WANG Hanpeng1,2, ZHANG Bing1,2, XING Wenbin1,2, WANG Su1,2, CAI Heng1,2, YU Xinping1,2
(1. State Key Laboratory for Tunnel Engineering, Shandong University, Jinan 250002, Shandong, China; 2. School of Qilu Transportation, Shandong University, Jinan 250002, Shandong, China)
关键词:
地下储气库;  超低渗材料;  衬砌;  气密封效果;  正交试验
Keywords:
underground gas storage;  ultra-low-permeability material;  lining;  gas sealing effect;  orthogonal test
分类号:
TU57
DOI:
10.19815/j.jace.2023.11033
文献标志码:
A
摘要:
针对废弃煤矿地下空间用于压缩空气储库存在的围岩及衬砌密封性不足问题,以石英砂、重晶石粉、铁精粉为骨料,硫铝酸盐水泥为黏结剂,配制出新型水泥基超低渗材料。设计并开展了测定材料物理力学性能的三因素三水平正交试验。为验证新型水泥基材料的密封性能,采用连续-非连续数值计算方法对大安山地下储气库巷道进行衬砌密封效果模拟。结果表明:试样的单轴抗压强度、劈裂抗拉强度和弹性模量随硫铝酸盐水泥含量的增加而显著增大,随骨料级配孔隙率和水泥外加剂掺量的增加而降低; 渗透性随硫铝酸盐水泥含量的增加而显著降低,随骨料级配孔隙率的增加而显著升高,随水泥添加剂掺量的增加而略有降低; 新型水泥基超低渗材料可用于储气硐室的喷射混凝土层或灌浆层,渗透率低至1.06×10-19 m2,性能优于P12级抗渗混凝土; 在混凝土衬砌基础上增加厚度为0.1 m的水泥基超低渗材料可有效降低储气硐室空气泄漏率,具备良好的密封性能,单次循环空气泄漏率仅为0.84%。
Abstract:
Aiming at the problem of insufficient sealing of surrounding rock and lining in the underground space of the abandoned coal mine used for compressed air storage, a new type of cement-based ultra-low-permeability material was prepared using quartz sand, barite powder, and iron concentrate powder as aggregates, and sulfoaluminate cement as binder. A three factor three-level orthogonal test was designed to determine the physical and mechanical properties of materials. In order to verify the sealing performance of the new cementitious materials, continuous-discontinuous numerical calculations were carried out to simulate the sealing effect of the lining of underground gas storage tunnel in Da'an mountain. The results show that the uniaxial compressive strength, split tensile strength and modulus of elasticity of the specimen increase significantly with the increase of the content of sulfoaluminate cement, and decrease with the increase of the porosity of aggregate grading and the dosage of cement additives. The permeability is significantly reduced with the increase of sulphuraluminate cement content, and significantly elevated with the increase of aggregate grading porosity, and slightly increased with the increase of cement additives dosage. The new type of cement-based ultra-low-permeability material can be used in the shotcrete or grout layer of gas storage chambers, with a permeability as low as 1.06×10-19 m2 and better performance than P12 grade impermeable concrete. The numerical calculation results show that adding a cement-based ultra-low-permeability material with a thickness of 0.1 m on the concrete lining can effectively reduce the air leakage rate of the gas storage chamber, with good sealing performance, and a single cycle air leakage rate of only 0.84%.

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备注/Memo

备注/Memo:
收稿日期:2023-11-12
基金项目:泰山学者工程专项经费资助项目(tstp20230603); 国家重大科研仪器研制项目(52227901); 国家自然科学基金项目(52174081)
通信作者:王汉鹏(1978-),男,工学博士,教授,博士生导师,E-mail:whp@sdu.edu.cn。
Author resume: WANG Hanpeng(1978-), male, PhD, professor, E-mail: whp@sdu.edu.cn.
更新日期/Last Update: 2025-07-10