角向驱动螺栓管片接头压弯力学性能

doi:10.3973/j.issn.2096-4498.2025.11.007

隧道建设（中英文） ›› 2025, Vol. 45 ›› Issue (11): 2053-2062.DOI: 10.3973/j.issn.2096-4498.2025.11.007

角向驱动螺栓管片接头压弯力学性能

叶宇航^1，2，章邦超³，白海文¹，徐文田²，柳献^1，*，赖鹏邦²，丁晖东⁴

（1. 同济大学土木工程学院，上海 200092； 2. 广州地铁设计研究院股份有限公司，广东广州 510010； 3. 中铁建华南建设有限公司，广东广州 511458； 4. 中铁二十一局集团轨道交通工程有限公司，山东济南 250021）

出版日期:2025-11-20 发布日期:2025-11-20
作者简介:叶宇航（1995—），男，广东连平人，同济大学隧道与地下建筑工程专业在读博士，高级工程师，研究方向为隧道及地下建筑工程。E-mail: yeyuhang@gmdi.cn。 *通信作者：柳献， E-mail: xian.liu@tongji.edu.cn。

Compression and Bending Mechanical Properties of Angular Drive Bolts in Segment Joints

YE Yuhang^{1, 2}, ZHANG Bangchao³, BAI Haiwen¹, XU Wentian², LIU Xian^{1, *}, LAI Pengbang², DING Huidong⁴

(1. Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China; 2. Guangzhou Metro Design & Research Institute Co., Ltd., Guangzhou, 510010, Guangdong, China; 3. China Railway Construction South China Construction Co., Ltd., Guangzhou 511458, Guangdong, China; 4. Rail Transit Engineering, China Railway 21st Bureau Group Co., Ltd., Jinan 250021, Shandong, China)

Online:2025-11-20 Published:2025-11-20

摘要/Abstract

摘要： 盾构隧道多由带接头的衬砌管片连接构成，常用的连接螺栓包括曲螺栓、斜直螺栓和直螺栓。然而，曲螺栓在使用过程中易出现连接返松的问题，影响连接的稳定性；斜直螺栓的螺栓性能利用率较低，无法充分发挥其力学性能；直螺栓的手孔会削弱管片局部的受力性能，降低结构的整体安全性。为解决现有连接方式存在的缺陷，提升盾构隧道衬砌管片的受力性能与工程适用性，开发出一款新型快速连接件，并基于该连接件设计一种新型角向驱动螺栓接头。为全面评估该新型接头的性能，开展足尺试验研究。试验针对单排角向驱动螺栓与双排角向驱动螺栓2类接头构造形式，系统考察不同设计下接头的承载性能及工程适用性，并将试验数据与短直螺栓接头进行对比分析。研究结果表明： 1）2种接头在受力过程中均主要经历3个变形阶段，但破坏模式存在差异； 2）双排角向驱动螺栓接头的抗变形能力明显强于单排角向驱动螺栓接头和短直螺栓接头，其能够提供更强的预紧力，增加接头的截面有效高度，提供更多且分布更合理的受拉点，进而有效增强接头的转动刚度； 3）角向驱动螺栓接头安装更便利，有利于实现自动拼装，且不会像短直螺栓接头那样削弱接头的受力性能。

关键词: 盾构隧道, 管片接头, 角向驱动螺栓, 压弯试验, 受力性能

Abstract: Shield tunnels are usually constructed by connecting lining segments with joints, typically using curved, inclined-straight, or straight bolts. However, when applied to segment joints, curved bolts tend to loosen during application, compromising the stability of the connection. Meanwhile, inclined-straight bolts cannot fully exert their mechanical properties because their performance utilization rate is relatively low, whereas the handholes of straight bolts weaken the local load-bearing performance of the segments, reducing the overall structural safety. To mitigate these shortcomings and enhance the mechanical performance and engineering applicability of lining segments in shield tunneling, the authors introduce a novel type of lining segment connector called the angular drive bolt joint. The performance of the joint is comprehensively evaluated during a full-scale experiment of two types of joint structures: single-row and double-row angular drive bolt joints. The bearing capacities and engineering applicabilities of the joints are systematically evaluated under different designs. The experimental data are analyzed and compared with those of short straight bolt joints. The results indicate (1) three deformation stages but different failure modes of both angular drive joint types under loading, (2) a considerably stronger deformation resistance of the double-row angular drive bolt than of the other two joints, and (3) easier installation of the angular drive bolt joint than of the short straight bolt joint, facilitating automatic assembly without weakening the load-bearing performance. The strong resistance of the double-row angular drive bolt joint is attributable to the strong pre-tightening force of the bolt, which increases the effective height of the joint section and reasonably distributes the tensile points, thereby enhancing the rotational stiffness of the joint.

Key words: shield tunnel, segment joints, angle drive bolts, bending test, mechanical properties

叶宇航, 章邦超, 白海文, 徐文田, 柳献, 赖鹏邦, 丁晖东. 角向驱动螺栓管片接头压弯力学性能[J]. 隧道建设, 2025, 45(11): 2053-2062.

YE Yuhang, ZHANG Bangchao, BAI Haiwen, XU Wentian, LIU Xian, LAI Pengbang, DING Huidong. Compression and Bending Mechanical Properties of Angular Drive Bolts in Segment Joints[J]. Tunnel Construction, 2025, 45(11): 2053-2062.

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角向驱动螺栓管片接头压弯力学性能

Compression and Bending Mechanical Properties of Angular Drive Bolts in Segment Joints

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