异形盾构管片原型试验混凝土裂缝宽度预测与可视化

doi:10.16183/j.cnki.jsjtu.2019.10.016

上海交通大学学报 ›› 2019, Vol. 53 ›› Issue (10): 1259-1268.doi: 10.16183/j.cnki.jsjtu.2019.10.016

• 学报（中文） • 上一篇

异形盾构管片原型试验混凝土裂缝宽度预测与可视化

朱叶艇1,2，朱雁飞1，张子新2，庄欠伟1，郑宜枫1

1. 上海隧道工程有限公司, 上海 200233； 2. 同济大学地下建筑与工程系, 上海 200092

出版日期:2019-10-28 发布日期:2019-11-01
通讯作者: 朱叶艇（1987-），男，浙江省绍兴市人，博士后，现主要从事软土盾构隧道及地下建筑工程相关方面研究工作. E-mail：1210278theronzhu@tongji.edu.cn.
基金资助:
上海市国资委企业技术创新和能级提升项目（2013017）

Prediction and Visualization of Crack Width for the Prototype Test on Special-Shaped Shield Segments

ZHU Yeting 1,2,ZHU Yanfei 1,ZHANG Zixin 2,ZHUANG Qianwei 1,ZHENG Yifeng 1

1. Shanghai Tunnel Engineering Co., Ltd., Shanghai 200233, China; 2. Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China

Online:2019-10-28 Published:2019-11-01

摘要/Abstract

摘要： 预测和可视化监测异形盾构管片混凝土裂缝宽度和开展规律对站立式原型异形盾构管片加载系统的研发以及后续的异形盾构管片优化设计至关重要.通过梁荷载试验完善了体积率为2%的CF50钢锭铣削型钢纤维混凝土最大裂缝宽度理论公式，同时创新性地在原型管片结构试验领域引入非接触式应变光学测量系统，对管片拱顶内弧面关键区域进行裂缝实时监测.研究结果表明，基于三维数字图像技术(DIC-3D)可定义管片裂缝出现时机判定和裂缝宽度计算方法.管片裂缝宽度经历了初始、稳定和加速等三阶段发展过程，最终确定出异形盾构衬砌结构极限覆土深度为18.5m.梁荷载试验所获最大裂缝宽度理论公式中的相关设计参数是有效的，未来可结合壳-弹簧模型计算管片内力结果进行异形盾构管片裂缝宽度的科学预测.

关键词: 异形盾构；原型试验；破坏；混凝土裂缝；数字图像技术

Abstract: Prediction and visualization of the width and developing law of the key cracks are crucial to the invention of the standing prototype loading system and the further optimal design for special-shaped segmental structure. This paper conducted loading tests on a CF50 steel fiber reinforced concrete beam with a volume rate of 2% to improve the theoretical formula of the maximum crack width, and the non-contacting strain optical measuring technique was adopted for the first time in the field of prototype loading tests on segmental lining to monitor the cracking characteristics in key areas of the inner surface of the tunnel vault. The study shows that the determination method of crack initiation time and calculation method of crack width can be based on three-dimensional digital image processing technology (DIC-3D). The increment of the crack width experiences initial, stable and accelerated three stages, and the ultimate buried depth of special-shaped tunnel is finally determined to be 18.5m. The calculation parameters obtained from the beam loading tests for the theoretical maximum crack width are verified to be effective, and prediction of the crack width combined with the internal forces derived from shell-spring model is suggested.

Key words: special-shaped shield; prototype test; damage; concrete crack; digital image processing technology

中图分类号:

TU 528

朱叶艇，朱雁飞，张子新，庄欠伟，郑宜枫. 异形盾构管片原型试验混凝土裂缝宽度预测与可视化[J]. 上海交通大学学报, 2019, 53(10): 1259-1268.

ZHU Yeting,ZHU Yanfei,ZHANG Zixin,ZHUANG Qianwei,ZHENG Yifeng. Prediction and Visualization of Crack Width for the Prototype Test on Special-Shaped Shield Segments[J]. Journal of Shanghai Jiaotong University, 2019, 53(10): 1259-1268.

参考文献

［1］NAKAMURA H, KUBOTA T, FURUKAWA M, et al. Unified construction of running track tunnel and crossover tunnel for subway by rectangular shape double track cross-section shield machine［J］. Tunnelling and Underground Space Technology, 2003, 18(2): 253-262.
［2］何川, 封坤, 苏宗贤. 大断面水下盾构隧道原型结构加载试验系统的研发与应用［J］. 岩石力学与工程学报, 2011, 30(2): 254-266.
HE Chuan, FENG Kun, SU Zongxian. Development and application of loading test system of prototype structure for underwater shield tunnel with large cross-section ［J］. Chinese Journal of Rock Mechanics and Engineering, 2011, 30(2): 254-266.
［3］LIU X, BAI Y, YUAN Y, et al. Experimental investigation of the ultimate bearing capacity of continuously jointed segmental tunnel linings［J］. Structure and Infrastructure Engineering, 2016, 12(10): 1-16.
［4］AFSHAN S, YU J B Y, STANDING J R, et al. Ultimate capacity of a segmental grey cast iron tunnel lining ring subjected to large deformations［J］. Tunnelling and Underground Space Technology, 2017, 64: 74-84.
［5］HUANG X, ZHU Y T, ZHANG Z X, et al. Mechanical behaviour of segmental lining of a sub-rectangular shield tunnel under self-weight［J］. Tunnelling and Underground Space Technology, 2018, 74: 131-144.
［6］朱叶艇. 大断面异形盾构隧道衬砌结构力学行为研究［D］. 同济大学, 2017.
ZHU Yeting. Study on the mechanical behavior of special-shaped shield lining structure with a large cross-section［D］. Tongji University, 2017.
［7］国家住建部.地铁设计规范: GB 50157-2013［S］. 北京: 中国建筑工业出版社, 2013: 82-83.
MOHURD. Code for Design of Metro: GB 50157-2013［S］. Beijing: China Architecture & Building Press, 2013: 82-83.
［8］中国建设标协.纤维混凝土结构技术规程: CECS 38-2004［S］. 北京: 中国计划出版社, 2004: 17-30.
CECS. Technical specification for fiber reinforced concrete structures: CECS 38-2004［S］. Beijing: China Planning Press, 2004: 17-30.
［9］SUTTON M A, MCNEILL S R, HELM J D, et al. Advances in two-dimensional and three-dimensional computer vision［J］. Topics in Applied Physics, 2000, 77(1): 323-372.
［10］LIU C, ZHANG J. Numerical and experimental investigations on the modification of as-welded residual stress after local material removal［J］. Journal of Strain Analysis for Engineering Design, 2011, 46(6): 444-455.
［11］FAGHIDIAN S A, GOUDAR D, FARRAHI G H, et al. Measurement, analysis and reconstruction of residual stresses［J］. Journal of Strain Analysis for Engineering Design, 2012, 47(4): 257-267.
［12］马永尚, 陈卫忠, 杨典森, 等. 基于3D-DIC技术的脆性岩石破坏试验研究［J］. 岩土力学, 2017, 38(1): 1-8.
MA Yongshang, CHEN Weizhong, YANG Diansen, et al. Experimental study of brittle rock failure based on three-dimensional digital image correlation technique ［J］. Rock and Soil Mechanics, 2017, 38(1): 1-8.
［13］PAN B, WU D, YU L. Optimization of a three-dimensional digital image correlation system for deformation measurements in extreme environments［J］. Applied Optics, 2012, 51(19): 4409-4419.
［14］朱叶艇. 大断面异形盾构隧道弯矩传递系数原型加载试验研究［J］. 隧道建设, 2017, 39(10): 1269-1275.
ZHU Yeting. Prototype loading tests on the moment transferring coefficients of the special-shaped shield tunnel with a large cross-section ［J］. Tunnel Construction, 2017, 39(10): 1269-1275.
［15］HUANG Z R, ZHU W, LIANG J H, et al. Three-dimensional numerical modelling of shield tunnel lining［J］. Tunnelling and Underground Space Technology, 2006, 21(3): 434-434.
［16］KAVVADAS M, LITSAS D, VAZAIOS I, et al. Development of a 3D finite element model for shield EPB tunnelling［J］. Tunnelling and Underground Space Technology, 2017, 65: 22-34.

[1]	张强, 卢朝辉, 赵然, 伦培元. 基于初始缺陷的混凝土锈裂模型时变可靠度[J]. 上海交通大学学报, 2020, 54(4): 413-420.
[2]	汤洁冬，翟晓强. 立体式预制构件养护仓温湿度分布建模及数值模拟[J]. 上海交通大学学报（自然版）, 2018, 52(12): 1543-1551.
[3]	吴灵杰，寇新建，周拥军，蒋萌. 既有混凝土码头的时变氯离子扩散过程[J]. 上海交通大学学报（自然版）, 2017, 51(4): 444-.
[4]	岳著文, 李镜培, 李林, 邵伟. 海工环境下预应力高强混凝土管桩使用寿命计算[J]. 上海交通大学学报, 2016, 50(03): 370-376.
[5]	赵高文，李镜培，李林，崔纪飞. 腐蚀方式对灌注桩劣化及硫酸盐扩散规律影响[J]. 上海交通大学学报（自然版）, 2018, 52(11): 1483-1491.

异形盾构管片原型试验混凝土裂缝宽度预测与可视化

Prediction and Visualization of Crack Width for the Prototype Test on Special-Shaped Shield Segments

PDF (PC)

可视化

摘要/Abstract

引用本文

使用本文

参考文献

相关文章 5

编辑推荐

Metrics

本文评价