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Keywords: reinforcement
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Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-1037
... ABSTRACT: Simulating the structural response of concrete and reinforced concrete structures to blast loading conditions is a challenging task, as it requires modeling the fracture and fragmentation processes in this composite material with reasonable computational efficiency for large scale...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0155
... provides a first leap in experimental investigations toward advancing eco-friendly reinforcement mechanisms of sealing fractured rocks and their impact on rock grouting. 1. INTRODUCTION Rock grouting is a geo-engineering technique that involves injecting grout materials into fractures, joints...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0422
... of the supporting technology is carried out in the experimental study. Based on the resin anchorage that can be prestressed after the rapid condensation of the overrun double-gradient grouting reinforcement, the rapid prestressing NPR anchorage system of "overrun grouting+resin anchorage" and its supporting active...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0548
... resistant to desiccation cracking and chemical degradation is beneficial, and an inorganic microfiber-reinforced EBM (i.e., IMEBM) can be a promising solution to the challenge. This study investigates the effects of carbon microfibers embedded in bentonite on developing such IMEBMs. Experimentally, a 3-D...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0526
... it easier for the slope to yield, which results in significant deformation or landslide failure. It is also demonstrated that the toe reinforcement has a significant effect on restraining the shear displacements of the slope and preventing the progressive failure of the landslide. This study presented...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0880
... of the engineered buffer material. This study investigated the shearing behavior of glass fiber-reinforced bentonite through a series of direct-simple shear tests on the bentonite samples. From this laboratory experiment, shear strength parameters such as cohesion and friction angle were evaluated for both peak...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0171
... ABSTRACT With the increase of long and deep-buried tunnels, the disaster caused by high geo-temperature was more and more prominent. Grouting reinforcement was an important tunnel support measurement. Therefore, this study was aimed at an investigation of grouting reinforced rock under...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0088
... ABSTRACT: This paper presents a new approach for mitigating high tower structures slope based on the foundation grouting reinforcement (FGR) mechanism. Three effects of the FGR approach were analyzed: the reinforcement provided by grouting to improve the strength of the foundation, filling...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0299
... ABSTRACT: Reinforcement systems are used widely for the stabilisation of excavation surfaces associated with surface and underground excavations in mines and civil engineering projects. To be effective the reinforcement must be of sufficient length to pass beyond the boundary between...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0300
... ABSTRACT: Ground support consisting of integrated internal rock reinforcement systems and surface restraint systems are used widely for the stabilisation of excavations associated with underground excavations in mines. As mines have developed at ever increasing depths below the earth’s surface...
Proceedings Papers
Julia Grasley, Mohammad Rahmani, Abdullah Azzam, Gabriel Nsengiyumva, Yong-Rak Kim, Jongwan Eun, Seunghee Kim
Publisher: American Rock Mechanics Association
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0741
... swelling pressure, and "self-healing" capability. However, bentonite clay subjected to heating from nuclear waste decay may undergo desiccation cracking. In this study, inorganic microfiber reinforcement was evaluated as a method of reducing desiccation cracking in EBM. A restrained ring test method...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0751
... of the engineered buffer material. This study investigated the coupled effect of glass microfiber reinforcement on the swelling and compressibility characteristics of sodium bentonite at both ambient (22°C) and elevated (50°C) temperatures. By using the one-dimensional consolidation test setup with temperature...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1607
... ABSTRACT: Jinchuan mine is the largest underground nickel mine in China, There is highly stressed surrounding rock in this mine. The problem of highly fractured roadway support in the mine is serious. In the paper, according to mechanical principle of imitation soil nail reinforcement...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-884
..., the FE model was utilized to estimate long-term deformations by incorporating time-dependent constitutive behavior of the rock mass and discontinuities. reservoir geomechanics cavern sequence rock mass Upstream Oil & Gas structural geology reinforcement creep chagrin shale Reservoir...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-397
... ABSTRACT : Discontinuous stress analysis models offer a powerful means to study the deformation compatibility of reinforcing elements that cross both existing and new fractures in deforming rock masses. This paper makes the case that there are considerable advantages in undertaking a series...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-566
... options, and tested in a specially constructed test machine to measure the force-displacement response during 10 inches of deflection between the bolts. Afterwards, post-bolted macro-synthetic fiber reinforced shotcrete was tested for comparison with the wire-mesh alternatives. Low (5-lb/yd 3 ) and high...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-1034
... slope angles were designed and constructed, but this required ongoing assessment and stabilization of the newly excavated rock cuts as these got exposed. pritchard bluff Reservoir Characterization reinforcement Hoffman natural slope stability orientation rock cut rock fall cut slope...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-221
... slopes of Shiyan-Baihe Road in Hubei province, the comprehensive protection of overall strengthening and local reinforced was proposed and simulation analysis of slope treatment project was carried out by using Finite Element Method (FEM). The study shows that the original slope is stable under normal...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-359
... timber square level interval Wellbore Design reinforcement cable bolt stope height cable India underground operation deposit productivity manganese deposit ARMA 16-359 Rock Mechanics investigations for pre-mining support and mechanization of underground operations in narrow and weak...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-164
... planes were obtained. Secondly, the three-dimensional geo-mechanical model comprehensive method test was carried out under reinforced foundation conditions. In the experiment, the integrated strength decreased range of weak structural plane was determined as 30% according to the weakening effect...
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