针对三线盾构隧道并行施工风险,依托某市地铁8号线工程,采用“先中线后两边”的三线施工顺序.通过现场实测分析三线并行盾构施工引起的地表竖向位移变化规律,研究土仓压力、刀盘扭矩等掘进参数对地表竖向位移的影响.结果表明:三线施工引起的地表沉降在纵向上先隆起至最大值,然后沉降,最终趋于稳定;横向上中线隧道轴线处沉降最大,向两侧递减;土仓压力、注浆量和注浆压力对地表沉降影响显著,将土仓压力控制在0.18~0.21 MPa、注浆压力控制在0.20~0.24 MPa、注浆量控制在理论间隙的1.5~1.8倍时,可有效控制地表沉降;土仓压力、刀盘扭矩均与盾构总推力呈正相关,但土仓压力与刀盘扭矩之间无直接关联,注浆量与注浆压力呈正相关.
Focusing on the risks associated with the parallel construction of three-line tunnels, this study, based on the Suzhou Metro Line 8 project, adopts a construction sequence where the middle line is excavated first, followed by the two side lines. Through field measurements, it analyzes the variation patterns of surface vertical displacement caused by the parallel shield tunneling of the three lines and investigates the impact of tunneling parameters such as earth chamber pressure and cutterhead torque on surface vertical displacement. The results indicate that: longitudinally, surface settlement during three-line construction initially uplifts to a maximum value, then settles, and eventually stabilizes; laterally, the maximum settlement occurs along the axis of the middle tunnel, decreasing towards both sides. Earth chamber pressure, grouting volume, and grouting pressure significantly affect surface settlement. Effective control of surface settlement can be achieved by maintaining the earth chamber pressure within the range of 0.18—0.21 MPa, grouting pressure within 0.20—0.24 MPa, and grouting volume at 1.5 to 1.8 times the theoretical gap volume. Both earth chamber pressure and cutterhead torque are positively correlated with the total thrust of the shield machine, but there is no direct relationship between earth- 引用格式:何梦腾,潘浩文,邓洪兴,等.基于点云多尺度方向一致性的羊只体尺测量方法［J］.河北大学学报(自然科学版),2026,46(2):113-127.引用格式:程姿洋,丁嘉浩,王加辉,等.三线近距并行盾构隧道施工地表竖向位移［J］.河北大学学报(自然科学版),2026,46(2):151-159.DOI:10.3969/j.issn.1000-1565.2026.02.004三线近距并行盾构隧道施工地表竖向位移程姿洋1,丁嘉浩2,王加辉2,张佳旭1,杨平2,丁程2 (1.中交一公局第八工程有限公司,天津 300170;2. 南京林业大学 土木工程学院,江苏 南京 210037)摘 要:针对三线盾构隧道并行施工风险,依托某市地铁8号线工程,采用“先中线后两边”的三线施工顺序.通过现场实测分析三线并行盾构施工引起的地表竖向位移变化规律,研究土仓压力、刀盘扭矩等掘进参数对地表竖向位移的影响.结果表明:三线施工引起的地表沉降在纵向上先隆起至最大值,然后沉降,最终趋于稳定;横向上中线隧道轴线处沉降最大,向两侧递减;土仓压力、注浆量和注浆压力对地表沉降影响显著,将土仓压力控制在0.18~0.21 MPa、注浆压力控制在0.20~0.24 MPa、注浆量控制在理论间隙的1.5~1.8倍时,可有效控制地表沉降;土仓压力、刀盘扭矩均与盾构总推力呈正相关,但土仓压力与刀盘扭矩之间无直接关联,注浆量与注浆压力呈正相关. 关键词:三线并行;地表竖向位移;掘进参数;土仓压力中图分类号:U45 文献标志码:A 文章编号:1000-1565(2026)02-0151-09DOI:10.3969/j.issn.1000-1565.2026.02.004Vertical surface displacement during construction of three-line closely-spaced parallel shield tunnelsCHENG Ziyang1, DING Jiahao2, WANG Jiahui2, ZHANG Jiaxu1, YANG Ping2, DING Cheng2(1. The Eighth Engineering Co., Ltd. of the First Highway Engineering Bureau of CCCC, Tianjin 300170, China;2. College of Civil Engineering, Nanjing Forestry University, Nanjing 210037, China)Abstract: Focusing on the risks associated with the parallel construction of three-line tunnels, this study, based on the Suzhou Metro Line 8 project, adopts a construction sequence where the middle line is excavated first, followed by the two side lines. Through field measurements, it analyzes the variation patterns of surface vertical displacement caused by the parallel shield tunneling of the three lines and investigates the impact of tunneling parameters such as earth chamber pressure and cutterhead torque on surface vertical displacement. The results indicate that: longitudinally, surface settlement during three-line construction initially uplifts to a maximum value, then settles, and eventually stabilizes; laterally, the maximum settlement occurs along the axis of the middle tunnel, decreasing towards both sides. Earth chamber pressure, grouting volume, and grouting pressure significantly affect surface settlement. Effective control of surface settlement can be achieved by maintaining the earth chamber pressure within the range of 0.18—0.21 MPa, grouting pressure within 0.20—0.24 MPa, and grouting volume at 1.5 to 1.8 times the theoretical gap volume. Both earth chamber pressure and cutterhead torque are positively correlated with the total thrust of the shield machine, but there is no direct relationship between earth- 收稿日期:2024-12-10;修回日期:2025-07-01 基金项目:国家自然科学基金项目(42101127) 第一作者:程姿洋(1988—),男,中交一公局第八工程有限公司高级工程师,主要从事地下工程施工方向研究. E-mail: 648624113@qq.com 通信作者:杨平(1964—),男,南京林业大学教授,博士生导师,主要从事环境岩土工程与城市地下工程方向研究. E-mail: yangping@njfu.edu.cn 第2期程姿洋等:三线近距并行盾构隧道施工地表竖向位移河北大学学报(自然科学版) 第46卷chamber pressure and cutterhead torque, grouting volume and grouting pressure are positively correlated.
[1] 洪开荣.近2年我国隧道及地下工程发展与思考(2017—2018年)[J].隧道建设(中英文), 2019, 39(5): 710-723.
[2] 唐宇,叶社保,张志宇,等.软流塑地层盾构施工参数对地表竖向位移的影响[J].林业工程学报, 2023, 8(1): 179-188. DOI:10.13360/j.issn.2096-1359.202206029.
[3] 裴浩东,叶社保,杨平,等.软土地层盾构掘进参数分析及掘进速度预测[J].郑州大学学报(工学版), 2024, 45(1): 107-113. DOI:10.13705/j.issn.1671-6833.2023.04.003.
[4] 杨平,陈杰,张志宇,等.深厚软流塑地层预加固对盾构隧道掘进变形的影响[J].沈阳建筑大学学报(自然科学版), 2022, 38(6): 1046-1054. DOI:10.11717/j.issn:2095-1922.2022.06.11.
[5] Guo S F, Wang B K, Zhang P, et al. Influence analysis and relationship evolution between construction parameters and ground settlements induced by shield tunneling under soil-rock mixed-face conditions[J]. Tunn Undergr Space Technol, 2023, 134: 105020. DOI:10.1016/j.tust.2023.105020.
[6] Peck R B. Advantages and limitations of the observational method in applied soil mechanics[J]. Geotechnique, 1969, 19(2): 171-187. DOI:10.1680/geot.1969.19.2.171.
[7] 易顺,潘家军,王艳丽,等.基坑地表沉降的偏态分布函数应用[J].长江科学院院报, 2024, 41(8): 135-141, 179. DOI:10.11988/ckyyb.20230396.
[8] 潘涛.软土地区双线区间盾构隧道施工对周边地表以及建筑物沉降的影响[J].水文地质工程地质, 2022, 49(1): 101-108. DOI:10.16030/j.cnki.issn.1000-3665.202106014.
[9] 芮勇勤,袁健玮,范文举,等.双线隧道施工过程中地层变形控制数值分析[J].公路, 2023, 68(6): 455-462.
[10] Yuan C W, Zhang M, Ji S C, et al. Analysis of factors influencing surface settlement during shield construction of a double-line tunnel in a mudstone area[J]. Sci Rep, 2022, 12(1): 22606. DOI:10.1038/s41598-022-27206-7.
[11] 丁智,冯丛烈,董毓庆,等.先行、后行盾构不同位置施工对土体变形影响研究[J].铁道学报, 2022, 44(3): 158-170. DOI:10.3969/j.issn.1001-8360.2022.03.012.
[12] Ren T, Zhang H L, Guo Y C, et al. Numerical simulation of ground surface settlement of underpass building in tunnel boring machine double-line tunnels[J]. Front Earth Sci, 2022, 10: 937524. DOI:10.3389/feart.2022.937524.
[13] 师刚,袁浩旭,张澄玄,等.基于Peck公式的双线隧道地面沉降模型及参数研究[J].城市轨道交通研究, 2022, 25(1): 161-165. DOI:10.16037/j.1007-869x.2022.01.030.
[14] 李志伟,陈德立,钟贵荣,等.不同掘进顺序的双线盾构隧道施工对上部建筑物的影响分析[J].建筑技术, 2023, 54(10): 1205-1209. DOI:10.3969/j.issn.1000-4726.2023.10.013.
[15] Kannangara K K P M, Ding Z, Zhou W H. Surface settlements induced by twin tunneling in silty sand[J]. Undergr Space, 2022, 7(1): 58-75. DOI:10.1016/j.undsp.2021.05.002.
[16] Liu C L, Wang Z Y, Jiang Y S. Settlement prediction of double line shield tunnel in upper soft and lower hard stratas[J]. Soil Mech Found Eng, 2022, 59(4): 385-393. DOI:10.1007/s11204-022-09826-3. (
