ABSTRACT. This paper describes a small laboratory test on flexural toppling failure of rock slope. This failure process involves slip between columns and tensile rupture across the colums. Gypsum columns with non-persistent cross joint were used to make a physical modeling for the slope failure mechanism.The slope model composed of the …

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Similar phenomena have been reported and discussed in other studies in terms of small-scale rock blasting (Dehghan Banadaki, 2010; Jayasinghe et al., 2019; Gharehdash et al., 2020). At a distance of approximately 30 mm from the top surface, a fracture surface can be seen. As the stress wave propagated parallel to the axis of the …

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Rock fracture zones were distributed in a metal mine, and their deformation was always neglected because they are available on a small scale. However, the deformation of the small-scale fracture zone …

Small-scale test. abstract. This paper attempts to study dolomite failure using small-scale blast tests. The experimental setup. consisted of a cylindrical specimen with a central borehole fitted ...

[2310.05302] Subsurface hydrogen storage controlled by small-scale rock heterogeneities. Physics > Fluid Dynamics. [Submitted on 8 Oct 2023 ( v1 ), last revised …

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Small-scale rock joints used in laboratory research. Rock specimens were sampled from the Majiagou landslide zone and have been roughly chopped into squares of 70*70 mm 2, which served as small-scale cases for point cloud creation and roughness evaluation (shown in Fig.2).The type of these rock-joint specimens is the sandstone of …

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Scale. The scale of an RC rock crawler refers to its size relative to the real-life vehicle it replicates. Larger scales, such as 1/10 or 1/8, often provide more stability and realistic driving experiences. Smaller RC car scales like 1/24 are ideal for indoor crawling or for those with limited space. Terrain

Small-scale shear tests on rock specimens were performed in this work to investigate the rock bridge breakage stage, while large-scale physical simulation tests were conducted to investigate the block instability stage. Due to the cost and other constraints, large-scale simulation testing of rock bridge breakages takes time to execute. ...

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To investigate the influence of a small-scale single structural plane with hard fillings in the surrounding rock of deep tunnels on the rockburst process, a series of biaxial compression tests were conducted on granite specimens (200 mm × 200 mm × 30 mm) with a circular hole of 50 mm in diameter. The characteristics of the rockburst …

Seismic wave propagation characteristic and its effects on the failure of steep jointed anti-dip rock slope. Discontinuities, such as joints and beddings, usually play a significant role in the seismic response and corresponding failure process of slopes, especially for anti-dip rock slide according to….

Small-scale rock cutting test has been developed for the purpose of measuring direct cuttability of a given rock. Available in the Istanbul Technical University is a 10-ton shaping machine used for the small-scale rock cutting tests. This cutting test is discussed in detail in [12], [13], [14]. It is suggested as a standard laboratory rock ...

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Deformation measurement is crucial for understanding the mechanical responses of rock masses; however, full-scale tests on rock masses are difficult and costly. With the development of 3D technology, small-scale tests provide a promising solution. Nevertheless, traditional DIC codes usually fail due to the existence …

Triaxial compression tests were performed to determine the strength and deformability of small-scale rock mass models with multiple joint sets and frequencies under confining stresses up to 12 MPa. The cubical sandstone specimens (80 × 80 × 80 mm3) with joint sets simulated by saw-cut surfaces were compressed to failure using a …

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These observations are not consistent with 1-D thermal diffusion models, which predict complete age resetting of low-temperature thermochronometers >50m from the contact (Karlstrom et al., 2019, Biasi and Karlstrom, 2021, Shuster et al., 2023).Thus, this location is an ideal setting for exploring hydrothermal circulation and water–rock …

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Small scale rock heterogeneity can increase or reduce plume migration depending on the direction of the heterogeneity. Maartje Boon, Hailun Ni, and Sally M. Benson Research Details Multiphase flow parameters and residual trapping are measured on heterogeneous rock cores of the Paraatte Fm at reservoir conditions with the

That means the crawler will be about 24 times smaller than the real-life vehicle. Small RC rock crawlers are usually about 9 or 10 inches long, sit about 5 inches off the ground, and are about 4 inches wide. Many people build small indoor RC courses for 1/24 scale RC crawlers and drive their RCs indoors when the weather is bad.

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These results emphasize that small-scale rock heterogeneity, which is often unaccounted for in reservoir-scale models, plays a vital role in H2 displacement and trapping in subsurface porous media ...

The K-JC 805 is an easy to use compact jaw crusher that is designed to crush a wide variety of materials. Ideally suited to contractors and quarry operators alike. K-IC 70. The …

small-scale blasting behavior of rock and compared the numerical outcomes with those obtained by Dehghan Banadaki and Mohanty (2012). Other noteworthy analyses were reported by Kukolj et al. (2018,