Zobrazeno 1 - 10
of 2 634
pro vyhledávání: '"Tunnel construction"'
Autor:
Wei Ming1,2, Xiaojie Yang1,2, Yadong Mao1,2, Xiang Wang1,2, Manchao He1,2, Zhigang Tao1,2 taozhigang@cumtb.edu.cn
Publikováno v:
Underground Space (2096-2754). Aug2023, Vol. 11, p46-62. 17p.
Publikováno v:
Chengshi guidao jiaotong yanjiu, Vol 27, Iss 9, Pp 147-153 (2024)
Objective At present, a relatively systematic, mature and rapid excavation construction method for the connection passage construction in hard rock stratum has not been formed yet. Due to the small cross-section and limited operating space in the con
Externí odkaz:
https://doaj.org/article/cba2233730c34af0a8593dbbe6ecd5ac
Publikováno v:
Chengshi guidao jiaotong yanjiu, Vol 27, Iss 6, Pp 105-110 (2024)
Objective Construction of new tunnel in water-rich mixed granite stratum is significantly affected by groundwater, so ground pre-grouting is usually adopted to form a waterproof curtain in order to reduce the effect of groundwater on the tunnel const
Externí odkaz:
https://doaj.org/article/b5ed30b20c904aa28ea0be51e57ec5a5
Autor:
HUANG Maoting, XU Jinming
Publikováno v:
Chengshi guidao jiaotong yanjiu, Vol 27, Iss 6, Pp 166-171 (2024)
Objective Metro shield tunnel construction may cause surrounding land subsidence, affecting the surrounding environment. Traditional land subsidence prediction models are difficult to comprehensively consider the influencing factors of land subsidenc
Externí odkaz:
https://doaj.org/article/f1f5bac7b37a426695b736a4d2391283
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract The sand-mud interbedded surrounding rock contains discontinuities, such as horizontal bedding, joints, weak planes and weak interlayers. Drilling and blasting construction in this kind of surrounding rock is very likely to cause very seriou
Externí odkaz:
https://doaj.org/article/59275d93d8ab4d9c979e4d23dfe5e29e
Autor:
Shiqing GUO
Publikováno v:
Chengshi guidao jiaotong yanjiu, Vol 27, Iss 4, Pp 181-185 (2024)
Objective The performance of shield tail grease significantly influences the effectiveness of the shield tail waterproof seal. While there are numerous performance indicators for shield tail grease, the relationship between these indicators and the w
Externí odkaz:
https://doaj.org/article/abb0536cf6884e8087dd486f8bc73b08
Publikováno v:
Chengshi guidao jiaotong yanjiu, Vol 27, Iss 4, Pp 177-180 (2024)
Objective To ensure the smooth implementation of urban rail transit station entry/exit pipe jacking construction project, it is essential to study the impact of ground settlement and explore settlement control measures for its engineering through urb
Externí odkaz:
https://doaj.org/article/dca66b75c0c44798be7b382409923ff1
Publikováno v:
Frontiers in Materials, Vol 11 (2024)
Tunnel construction in central and western China presents significant challenges primarily due to the complex geological conditions. The presence of water-rich zones compromises the stability of excavation faces, leading to potential safety risks and
Externí odkaz:
https://doaj.org/article/32f5a669bc9549e394b41df753ba57c5
Publikováno v:
Gongye shui chuli, Vol 44, Iss 1, Pp 148-156 (2024)
Nitrogen-doped mesoporous carbon(NMC) was synthesized using hard-template,and was characterized using specific surface area analyzer,transmission electron microscope,Fourier transform-infrared spectrometer and X-ray photoelectron spectrosco
Externí odkaz:
https://doaj.org/article/38220c03f42341cf8f5ed56e114b1965
Autor:
Illarionov, Yu. Yu.1,2, Banshchikov, A. G.1, Sokolov, N. S.1, Wachter, S.3, Vexler, M. I.1 vexler@mail.ioffe.ru
Publikováno v:
Technical Physics Letters. Dec2018, Vol. 44 Issue 12, p1188-1191. 4p.