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Article
Study on shear mechanical characteristic evolution and influencing factors of rock joint surfaces under cyclic loading conditions
Determining the shear strength of rock joint surfaces is a fundamental problem in the fields of rock mechanics and engineering geology. To obtain the cyclic shear strength of rock joint surfaces under cyclic s...
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Article
Simulation of transport mechanism of radium isotopes in aquifer on the southern coast of Laizhou Bay
Naturally occurring radium (223Ra, 224Ra, 226Ra, and 228Ra) isotopes have been widely applied as geochemical tracers in marine environments, especially when estimating the submarine groundwater discharge (SGD). I...
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Article
Deformation mechanism and reinforcement design for the flexural toppled slope of Miaowei HPP
Toppling is a typical failure mode of a rock slope. The deformation mechanism and sliding mode of a toppled slope are considerably different from those of conventional slopes. The analysis methods and reinforc...
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Article
A New Direct Shear Apparatus for Rock Joints Specialized in Cyclic Loading
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Article
An Experimental Investigation of the Influence of Loading Rate on Rock Tensile Strength and Split Fracture Surface Morphology
To investigate the effect of the loading rate on the tensile strength of rock material and the morphology of the resulting split fracture surfaces, three types of rock specimens, namely, granite, basalt and li...
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Article
A modified rock mass classification considering seismic effects in the basic quality (BQ) system
Safe construction and operation of tunnels in high seismic risk regions require special aseismic design. A possible solution to this issue is to consider the earthquake damage that a tunnel may suffer beforeha...
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Article
Stability of the bedded key roof above abandoned horizontal salt cavern used for underground gas storage
A large number of salt caverns by solution mining are abandoned widely. After reasonable reformation, some of these caverns are expected to store energies, such as petroleum, natural gas, and compressed air en...
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Article
Magnetic properties indicate the sources of hadal sediments in the Yap Trench, northwest Pacific Ocean
Magnetic minerals in marine sediments are often masked by the primary natural remanent magnetization and material source signals. In order to understand sedimentary environment and sources of sediments in the ...
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Article
Effects of superabsorbent polymers on the vertical infiltration of soil water with sand mulching
Superabsorbent polymer (SAP) is a kind of polymer with advantages like high water absorption and conservation. We studied the effect of various concentrations of SAPs on the infiltration of soil water with san...
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Article
Estimation of the Mechanical Properties of Igneous Rocks in Consideration of Seismic Effects
It is not widely accepted that the dynamic strain rate experienced by a rock mass during an earthquake is lower than that during a high strain rate scenario such as an explosion or a rock burst. The present st...
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Article
Investigation of the long-term strength of **** marble rocks with experimental and numerical approaches
This work describes investigation of the long-term strength of marble rocks in a stability assessment of deeply buried **** headrace tunnels. First, a series of long-term axial compression tests were conduc...
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Article
Effects of a controlling geological discontinuity on the seismic stability of an underground cavern subjected to near-fault ground motions
The mechanism for the influence of near-fault ground motion on seismic issues for underground rock caverns has seldom been addressed, especially for caverns controlled by large geological discontinuities. In t...
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Article
Analysis of the Seismic Performance of a Rock Joint with a Modified Continuously Yielding Model
The problem of seismic wave transmission at a rock joint is a critical issue for aseismic affairs of underground rock engineering. Little attention has been given to the normal cyclic loading behavior of a joi...
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Article
Fractal features of soil particle-size distributions and their relationships with soil properties in gravel-mulched fields
Soil particle-size distribution (PSD) is an important index for soil classification because it has large influences on soil hydrological characteristics, salinity, fertility, erodibility, nutrient content, swe...
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Article
Analysis of S Wave Propagation Through a Nonlinear Joint with the Continuously Yielding Model
Seismic wave propagation through joints that are embedded in a rock mass is a critical issue for aseismic issues of underground rock engineering. Few studies have investigated nonlinear joints with a continuou...
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Article
Scale dependency of spatial variability of soil moisture in gravel-mulched field
Knowledge of the scale dependency of the spatial variability of soil moisture is of paramount importance in the study of soil–atmosphere interactions and hydrological processes. We present a case study of the ...
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Article
Control Effect of a Large Geological Discontinuity on the Seismic Response and Stability of Underground Rock Caverns: A Case Study of the Baihetan #1 Surge Chamber
In this paper, the seismic stability of the #1 surge chamber of the Baihetan hydropower plant, which is influenced by a large dominating geological discontinuity [the interlayer shear weakness zone (ISWZ) C2)]...