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Insights From a Combined Analysis of Acoustic Emission Signals for Water-Bearing Rocks in Four-Point Bending Tests: Failure Mode Classification and Strength Degradation
Water-bearing causes substantial reductions in the tensile strength of rocks under four-point bending.
There is an obvious correlation between...
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Seismic performance of a nonhomogeneous slope reinforced by anchored piles using centrifuge tests
This paper conducts a series of centrifuge model tests to evaluate the seismic response characteristics of an anchor-pile-slope system. A real...
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Measurement of Elastic Bi-modulus of Rock-type Materials: Insight from comparative and parallel tests
Rock materials exhibit different elastic moduli under tension and compression, making them typical bi-modulus materials. Few testing methods can...
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Centrifuge tests for seismic response of single pile foundation supported wind turbines in sand influenced by earthquake history
This paper reports on two sets of centrifuge model tests of wind turbines in dry sand and saturated sand subjected to earthquake sequences. The wind...
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Theoretical Prediction of the Bending Stiffness of Reinforced Thermoplastic Pipes Using a Homogenization Method
The accurate prediction of bending stiffness is important to analyze the buckling and vibration behavior of reinforced thermoplastic pipes (RTPs) in...
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Determination of Fracture Toughness of Mode I Fractures from Three-Point Bending Tests at Elevated Confining Pressures
Fracture toughness is one of the key parameters for the characterization of brittle rock fracturing. Yet, constraints on it mainly rest on...
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Assessment of Direct Tensile Strength Tests in Rock Through a Multi-laboratory Benchmark Experiment
This study aims to experimentally assess repeatability and reproducibility of direct tensile strength (DTS) tests with deformability measurements on...
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Usage of Tyre Derived Aggregates as backfill around buried pipelines crossing strike-slip faults; model tests
Buried pipelines crossing active faults are exposed to excessive soil forces under fault movements due to large relative movement between pipes and...
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Estimating the direct tensile strength of rocks from indirect tests
Within the scope of this study, a series of experimental, numerical and statistical analyses were performed in order to find the coefficients that...
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Bending response of cold-formed steel built-up beams with overlapped flanges in stiffened channels
Mono-section members may not fulfil the structural requirements from strength or serviceability considerations. Built-up members are successful at...
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Exploring the Deformation and Failure Characteristics of Interbedded Anti-inclined Rock Slopes: Insights from Physical Modelling Tests
Block-flexure toppling failures in interbedded anti-inclined rock (IAR) slopes present significant risks to infrastructure and safety. Based on the...
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Monitoring and field tests for controlling large tunnel deformation in squeezing ground: a case study
The large squeezing deformation is a characteristic disaster in tunnel construction under complex geological conditions. This study presents a case...
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Load laws of composite lining in mountain tunnel model tests and numerical simulation validation
Currently, model tests are increasingly being used to simulate the construction of mountain tunnels, but the support structure of the model tests...
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Studying the Features of Measuring Rock Deformations During Tests at the High Pressure High Temperature Triaxial Apparatus
This paper presents the results of a series of experiments on studying the effect of the sealing membrane type and the mounting technique of LVDT...
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Physical model tests and numerical modeling of stabilizing mechanism of portal double-row piles in landslides with interbedded weak and hard bedrock
Stabilizing piles are commonly used to effectively reinforce landslides and unstable slopes. However, the reinforcement mechanism of stabilizing...
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Further Development of Digital Image Correlation (DIC) to Measure the Discontinuous Deformation of Rock on Small-Scale Tests
Deformation measurement is crucial for understanding the mechanical responses of rock masses; however, full-scale tests on rock masses are difficult...
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Behavior of a Rock Mass in Uplift Field Tests of Rock Anchors
Rock anchors are high-capacity reinforcement measures used to stabilize large-scale infrastructures. According to the literature, they can fail in...
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Rock Splitting in the Surrounds of Underground Openings: An Experimental Approach Using Triaxial Extension Tests
The phenomenon of rock splitting, i. e. the tensile crack formation under general pressure conditions, may be explained by different theoretical...
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Experimental study on three-point-bending characteristics of hard and soft rock-like materials under different loading rates
Bending failure is a common failure mode of layered rock mass. Making clear the mechanical behaviors and energy evolution characteristics of layered...
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Experimental and numerical study on shear and bending behaviour of external plate concrete beams with prefabricated cages
It is possible to improve the flexure and shear capacity of PCB (Plated Concrete Beam) specimens using the plating approach; adequate investigations...
