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Journal of Rock Mechanics and Geotechnical Engineering
Scopus
ISSN 1674-7755 · Elsevier · 2,107 articles in the index
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Journal Article
Mode I-II fracture behaviors of high-temperature treated granite: Insights from experimental and peridynamic simulations
In hot dry rock reservoirs, natural fissures and elevated temperatures significantly influence crack initiation and propagation behaviors. However, the mode I–II fracture mechanism of crystalline rocks under high-temperature conditions remains unclear. This study examined cracked straight-through…
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Journal Article
Volumetric, strength and microstructural characteristics of expansive soil modified by lignin fibers and fly ash
Stabilization is an important approach to improve the performance of expansive soils. Conventional additives such as cement and lime may lead to environmental concerns and increased carbon emissions. In contrast, industrial wastes such as fly ash (FA) and lignin fibers (LF) are considered more…
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Journal Article
Fracturing rocks using expandable materials for steeply inclined thin vein mining
This study proposes an expansive splitting method using expandable materials for steeply inclined thin vein mining to reduce blasting-induced disturbance to the surrounding rock mass. The failure evolution and energy conversion are investigated in five-hole (variable spacing) and six-hole…
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Journal Article
Development of a high-capacity apparatus with a novel structural design for large-scale direct shear testing of soils
Testing coarse-grained soils under in-situ stress conditions is limited by the size and capacity of available equipment, often requiring particle size scaling that can alter the shear response. This study presents the design, construction, and performance evaluation of a novel large-scale direct…
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Journal Article
Enhancing the mechanical properties of washed recycled sand: Synergistic effects of EICP and geogrid reinforcement
The enzyme-induced carbonate precipitation (EICP) technique and geogrid reinforcement have each proven effective in enhancing the mechanical properties of sandy soils. However, the brittleness of EICP-treated sand and the limited interlocking between geogrids and sand particles limit their…
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Journal Article
Laser-cutting of fracture network in binder jetting 3D-printed rock mass
Fractures in natural rocks principally govern the stability and safety of rock engineering projects. Laboratory tests with 3D-printed high-precision fractures in a cementitious model show the forefront of research on the geomechanical properties of fractured rocks. In this study, a novel…
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Journal Article
The fracture mechanism of banded haematite under single-mode microwave irradiation: Insights from the temperature and crack distribution law
Microwave-assisted breaking technology can achieve continuous mining of banded iron ore. To understand the response characteristics of iron ore under single-mode microwave irradiation and reveal its fracture mechanism under the influence of banded characteristics, this study employed single-mode…
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Journal Article
Improvement of liquefaction resistance and cyclic response of sandy soil by air injection method
Inducing partial saturation within the soil matrix has emerged as an effective approach to enhancing liquefaction resistance in fully saturated sands. Conventional methods for mitigating liquefaction susceptibility often involve substantial costs, complex implementation procedures, and potential…
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Journal Article
Calibration of a 2D built-in rockbolt model using pre-yield axial load distribution data for fully grouted rebar rockbolts
In modern numerical modelling software, built-in rockbolt models are available to practitioners for predicting rockbolt performance in underground excavation design. The accuracy of rockbolt performance assessment using load, strain, or displacement limits relies on the ability of the numerical…
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Journal Article
Crack initiation characteristics of brittle rock under coupled hydraulic pressure and triaxial static-dynamic loading
In this study, a modified hydraulic pressure loading apparatus was designed to apply hydraulic pressure to crack surface and to measure crack initiation stress (σi). Dynamic hydro-mechanical coupled loading tests were conducted on pre-cracked specimens to analyze the effects of crack inclination…
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Journal Article
Effects of grain size, non-uniformity, discontinuity on tensile properties of Eastern Himalaya marble
The grain size distribution of crystalline rocks significantly influences their macro-strength and crack behavior, particularly in tensile fracture. However, the effects of grain size nonuniformity and discontinuity, two common phenomena in natural crystalline rocks, on tensile mechanical…
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Journal Article
Prediction of breakthrough pressure in geological sequestration caprocks by critical pore size method
Caprock sealing efficiency is crucial for the safety of CO2 geological storage, with breakthrough pressure serving as a key parameter. Given the long duration of breakthrough pressure experiments on low-permeability caprock cores and the limited effectiveness of existing prediction models, this…
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Journal Article
A method to determine strength parameters by triaxial testing and 3D rock failure models
Estimating the strength parameters of a chosen rock failure criterion is crucial for rational stability analyses. However, the grid search algorithm applied to true triaxial test data presents challenges that hinder its widespread adoption. This study introduces a novel generalized procedure for…
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Journal Article
Stress-based evaluation of pore pressure generation in sands subjected to undrained cyclic loading
Proper characterization of excess pore pressure in sands subjected to cyclic loading is fundamental for liquefaction analysis. The classical stress-based pore pressure generation model has limitations, and there are inconsistent views in the literature regarding the influence of soil properties on…
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Journal Article
Experimental investigation of permeability and mechanical properties of metakaolin-based mortar in relation to microstructure
Geopolymers are increasingly used as green concrete materials in many engineering structures. In this study, a series of laboratory tests is conducted to evaluate the physical, permeability and mechanical properties of a metakaolin-based geopolymer mortar (MKGM) in relation to its microstructure…
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Journal Article
Effects of structural plane on shearing behavior of anchored rocks under true triaxial disturbance: Morphology, roughness, and lithology
Rock mass structural planes play a critical role in ensuring the safety and stability of deep underground engineering structures, including roadways, tunnels, and chambers. However, experimental studies on anchored structural planes with varying foliation morphologies, roughness levels, and wall…
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Journal Article
Instrumented unsaturated slope monitoring with IoT-based factor of safety calculations
A real-time Internet of Things (IoT)-based warning system for slope safety monitoring was implemented at the Rumah Tinggi site in Singapore. This system combines advanced moisture sensors and osmotic tensiometers with cloud-integrated data acquisition for high-resolution monitoring of infiltration…
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Journal Article
Rock fracturing using soundless cracking agents produced from freshwater sludge and carbide sludge
Rock fracturing plays a crucial role in mining, civil engineering, and infrastructure development; however, conventional techniques such as blasting often involve the release of uncontrollable energy, resulting in adverse environmental and safety impacts. To address these limitations, soundless…
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Journal Article
Porous vegetated concrete for slope protection: A review
With the rapid development of infrastructure, issues related to slope stability and ecological restoration have become increasingly prominent, particularly on rock slopes, where vegetation growth inherently faces numerous challenges. Traditional slope protection and ecological restoration methods…
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Journal Article
Enhancement of mechanical properties in reactive magnesia-based carbonated-solidified soil using carbonic anhydrase
The carbonation technology utilizing reactive magnesia (MgO) presents an innovative method for ground improvement; however, its efficiency is often constrained by the slow kinetics of CO2 absorption and hydrolysis. Conventional strategies to enhance soil strength—such as optimizing MgO content…
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