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Relevant bibliographies by topics / REINFORCED RIBS OF SPRAYED CONCRETE (RRS)

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Academic literature on the topic 'REINFORCED RIBS OF SPRAYED CONCRETE (RRS)'

Author: Grafiati

Published: 11 September 2023

Last updated: 31 July 2025

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Journal articles on the topic "REINFORCED RIBS OF SPRAYED CONCRETE (RRS)"

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Høien, Are Håvard, and Bjørn Nilsen. "Analysis of the stabilising effect of ribs of reinforced sprayed concrete (RRS) in the Løren road tunnel." Bulletin of Engineering Geology and the Environment 78, no. 3 (2018): 1777–93. http://dx.doi.org/10.1007/s10064-018-1238-1.

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Holmøy, Kristin H., and Bent Aagaard. "Spiling bolts and reinforced ribs of sprayed concrete replace concrete lining." Tunnelling and Underground Space Technology 17, no. 4 (2002): 403–13. http://dx.doi.org/10.1016/s0886-7798(02)00065-2.

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Naithani, A. K., and Prasnna Jain. "Engineering geological and geotechnical evaluation of Sathya Sai Prasanthi Nilayam railway tunnel, Andhra Pradesh, India." Insight - Civil Engineering 7, no. 1 (2024): 616. http://dx.doi.org/10.18282/ice.v7i1.616.

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Detailed engineering geological investigations were carried out for a railway tunnel which was constructed more than two decades ago. 3D engineering geological mapping was carried out using Brunton Compass and Total Station Surveying instruments in 1:100 scale. Coarse-grained pink and grey granite, hornblende-biotite gneiss and dolerite dyke of Archaean age and Lower Proterozoic age were mapped. Rock mass was intersected by sub-horizontal, inclined, and vertical joint sets, which were continuous and persistent, smooth, and planar with thick filling of decomposed and crushed sheared material or

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Aguilar-Aguilar, Maribel, María Jaya-Montalvo, Oscar Loor-Oporto, Héctor Andrade-Ríos, Fernando Morante-Carballo, and Paúl Carrión-Mero. "Application of Geomechanical Classification Systems in a Tourist Mine for Establishing Strategies within 3G’s Model." Heritage 6, no. 6 (2023): 4618–39. http://dx.doi.org/10.3390/heritage6060245.

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Stability problems in rock masses are one of the main causes of subsidence events in underground mining areas. Zaruma, in the South of Ecuador, is characterised by mineral wealth, in which 65% of the population depends directly on artisanal mining activity. However, mineral extraction, without technical considerations and in many cases illegal, has negatively impacted the stability of tunnels generated under the city’s urban area, reporting subsidence events in recent years. The aim of this study is to geomechanically characterise the main gallery of the tourist mine “El Sexmo” using two class

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Terron-Almenara, Jorge, Erlend Skretting, Karl Gunnar Holter, and Are Håvard Høien. "Design of Rock Support in Hard and Layered Rock Masses Using a Hybrid Method: A Study Based on the Construction of the New Skarvberg Tunnel, Norway." Rock Mechanics and Rock Engineering, August 12, 2024. http://dx.doi.org/10.1007/s00603-024-04082-3.

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AbstractHard rock formations with layered, anisotropic geological structures are rather common in Norway. The design of tunnel rock support under such ground conditions has been traditionally done with an empirical approach and assisted with engineering rock mass classification. In most cases, rock stability has been achieved with the use of fiber-reinforced sprayed concrete combined with rock bolts, sometimes supplemented with ribs of reinforced sprayed concrete (RRS) and bolt spiling. However, the discontinuous character and more complex ground behavior of layered rock can lead to design cha

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Høien, Are Håvard. "A Critical View on the Recommendation of Ribs of Reinforced Sprayed Concrete Support in the Q-System." Rock Mechanics and Rock Engineering, August 22, 2024. http://dx.doi.org/10.1007/s00603-024-04134-8.

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7

Terron-Almenara, Jorge, and Krishna Kanta Panthi. "Analysis of Plastic Deformations for Tunnel Support Design in Weak Flysch Rock Mass of a Hydropower Tunnel in Central Albania." Rock Mechanics and Rock Engineering, April 14, 2025. https://doi.org/10.1007/s00603-025-04545-1.

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Abstract The prediction and analysis of deformations in tunnels excavated in weak rock mass have been traditionally done with the application of analytical methods. However, these methods are seldom evaluated in terms of their performance. This paper aims to evaluate the performance and limitations of the most commonly used methods for evaluating plastic deformations in tunnels excavated in weak and deformable flysch rock mass. For this purpose, a comparative analysis considering the analytical solutions of Carranza-Torres and Fairhust (Tunn Undergr Space Technol 15(2):187–213, 2000), the Hoek

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Dissertations / Theses on the topic "REINFORCED RIBS OF SPRAYED CONCRETE (RRS)"

1

KAUSHIK, ABHISHEK. "DESIGN OF A TUNNEL BY NEW AUSTRIAN TUNNELING METHOD (NATM)." Thesis, DELHI TECHNOLOGICAL UNIVERSITY, 2021. http://dspace.dtu.ac.in:8080/jspui/handle/repository/18804.

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There are several methods for designing rock supports in tunnels. The Q-system is one of such methods, which is based on the rock mass classification. The Q-system was developed at Norwegian GeotechnicalInstitute (NGI) between 1971 and 1974 (Barton et al. (1974)). The rock supports recommendations fromQ-system are based on the Q-value of the rock mass, which is calculated from 6 rock parameters. The rock parameters for calculating Q-values are based on the orientation and number of discontinuity sets present in the rock mass, surface condition of discontinuities, groundwater conditions a

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