ISSN 2096-4498
CN 44-1745/U
Tunnel Construction ›› 2020, Vol. 40 ›› Issue (11): 1625-1633.DOI: 10.3973/j.issn.2096-4498.2020.11.011
Previous Articles Next Articles
YUE Bin, XIONG Tianfang
Online:
Published:
Abstract: The different combinations of segment ring width, segment partition and bolt number are studied for Tianjin municipal drainage shield tunnel, and comprehensive comparison is made in terms of wedge quantity calculation, rational assembly point determination, theoretical layout fitting, construction capacity analysis, construction efficiency, waterproof performance, segment overall stiffness, etc., so as to finally determine the rational segment ring width, segment partition and bolt number. Some main conclusions are drawn as follows: (1) According to the characteristics of this project, it is relatively rational to choose ring width of 1.2 m, segment partition of 5 blocks and bolt number of 13 groups. (2) When designing the main structural parameters of the segment, necessary theoretical calculation and analysis should be carried out according to the engineering characteristics and actual functional requirements to determine relevant segment parameters, and as well, current investigation, engineering analogy and relevant engineering experience should be considered. (3) The segment ring width should be determined comprehensively according to the tunnel curve radius and the construction risk of tunnel attitude control. (4) Relevant theoretical studies should be carried out on the parameter design of smalldiameter shield segment.
Key words: shield tunnel, segment design, segment ring width, segment partition, bolt number, comprehensive comparison and selection
CLC Number:
U 452.2
YUE Bin, XIONG Tianfang. Study on Design of Segment Ring Width, Segment Partition and Bolt Number of Tianjin Municipal Drainage Shield Tunnel[J]. Tunnel Construction, 2020, 40(11): 1625-1633.
0 / / Recommend
Add to citation manager EndNote|Ris|BibTeX
URL: http://www.suidaojs.com/EN/10.3973/j.issn.2096-4498.2020.11.011
http://www.suidaojs.com/EN/Y2020/V40/I11/1625
Application of Distributed Optical Fiber Technology in Tunnel Deformation Monitoring
Study on Influence of Lateral Pressure Coefficient on Deformation and Stress of Shield Tunnel Joints
Study on Mechanical Deformation of Shield Tunnel Crosssection under Eccentric Unloading of Side Foundation Pit Excavation
Threedimensional Refined Numerical Simulation of Segmental Joint of Shield Tunnel
Optimization Design of Reinforcement Range When a Metro Shield Tunnel Crossing underneath an Existing Railway Tunnel: a Case Study on Nanning Metro Line 4 Crossing underneath Existing Chalu Tunnel
Fullscale Experimental Study on Bending Performance of Segmental Joints of Large Crosssection Shield Tunnel under Pure Compressive Bending Condition