Zobrazeno 1 - 10
of 323
pro vyhledávání: '"tunnel support"'
A novel concrete-filled flange steel tubular composite supports for tunnels: A numerical perspective
Autor:
Dejun Liu, Xianda Feng, Kang Duan, Jianping Zuo, Guoliang Chen, Mingyao Li, Yongquan Chang, Zhiheng Xia
Publikováno v:
Case Studies in Construction Materials, Vol 21, Iss , Pp e03384- (2024)
In this study, a new type of concrete-filled flange steel tubular composite support (referred to as a concrete-filled flange steel composite support) was designed to address the inadequate bending load-bearing performance of concrete-filled steel tub
Externí odkaz:
https://doaj.org/article/2ecc185a9f2346c1b5fbdd9dc1fb9053
Publikováno v:
Underground Space, Vol 10, Iss , Pp 76-90 (2023)
With the reduction of shallow resources, the degree of damage and the frequency of dynamic hazards, such as deep rock bursts and impact ground pressure, are increasing dramatically. However, the existing support materials are incapable of meeting the
Externí odkaz:
https://doaj.org/article/5d2c07cc03bc41eda9783374e5f0adf4
Publikováno v:
Materials, Vol 17, Iss 7, p 1486 (2024)
Solving the challenges facing the mining industry is crucial for shaping the global attitude towards clean energy technologies associated with critical minerals extracted from depth. One of these challenges is the well-known explosion-like fractures
Externí odkaz:
https://doaj.org/article/fba5f04c2e92453da0cd6092e2755d9a
Autor:
Alexander Pomasoncco-Najarro, Claudio Trujillo-Valerio, Luis Arauzo-Gallardo, Carlos Raymundo, Grimaldo Quispe, Francisco Dominguez
Publikováno v:
Energy Reports, Vol 8, Iss , Pp 1208-1225 (2022)
To control the overbreaking of an underground mining development gallery, the controlled blasting technique was proposed and as a result it was possible to reduce costs and improve the physical stability of the periphery of the opening, achieving gre
Externí odkaz:
https://doaj.org/article/8e32a7d0d5a943bc8b352fc8f138a2fb
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Akademický článek
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Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 14, Iss 1, Pp 82-92 (2022)
The existence of squeezing ground conditions can lead to significant challenges in designing an adequate support system for tunnels. Numerous empirical, observational and analytical methods have been suggested over the years to design support systems
Externí odkaz:
https://doaj.org/article/ba5029bda857432899b12b1bf5fd8f33
Publikováno v:
Civil Engineering Infrastructures Journal, Vol 54, Iss 2, Pp 267-280 (2021)
Determination of tunnel support, required for tunnel stability and safety, is an important debate in tunnel engineering field. Q-system classification is a technique used to determine the support system of a tunnel in rock. The problem is that all th
Externí odkaz:
https://doaj.org/article/9c35a6df514e4886b7f362c21ec3d271
Publikováno v:
Case Studies in Construction Materials, Vol 17, Iss , Pp e01323- (2022)
This study investigated the mechanical behavior of fabricated corrugated steel plate during tunnel construction period and the influence on surrounding ground settlement, aiming to provide insight into tunnel support structure design and construction
Externí odkaz:
https://doaj.org/article/f3291e9c78fa4fc0aa0b25e589a61655