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Design of a New Stress Wave-Based Pulse Position Modulation (PPM) Communication System with Piezoceramic Transducers. [PDF]
Sensors (Basel), 2019 Stress wave-based communication has great potential for succeeding in subsea environments where many conventional methods would otherwise face excessive difficulty, and it can benefit logging well by using the drill string as a conduit for stress wave ...
Wu A +5 more
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Numerical simulation of stress wave interaction in short-delay blasting with a single free surface. [PDF]
PLoS One, 2018 It is generally believed that stress wave superposition does occur and plays an important role in cutting blasting with a single free surface, in which explosive columns of several blast holes with short spacing are simultaneously initiated.
Qiu X +5 more
europepmc +2 more sources
Rock and Soil Mechanics, 2021 To study the effectiveness of filled cracks as a means of anti-blasting and wave-elimination for underground protective structures, 36 one-dimensional impact tests were carried out on the intact rock specimens and rock specimens with filled cracks using ...
LIU Xin +5 more
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Applied Sciences, 2023 The nondestructive testing technique used to evaluate the quality of bolt support by detecting the axial force is suitable for the bolt with a short construction time. For the bolt in the support state for a long time period, it may lead to the detection
Chuanming Li +8 more
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Meitan xuebao, 2023 Rock bolt support and borehole pressure relief change the medium properties of roadway surrounding rock, form the roadway gradient surrounding rock structure with three media and two planes, increase the absorption and attenuation ability of stress waves,
Aiwen WANG +7 more
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Machines, 2023 To optimize and improve the impact performance of a hydraulic rock drill, it is helpful to test the stress waves of the drill and analyze the impact energy, impact frequency, and energy utilization rate.
Zhenyi Yang, Jun Li, Guoyan Yu
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Cavitation erosion behavior of nickel foam/polyurethane co-continuous composite
Materials Research Express, 2021 The cavitation erosion behavior of Ni foam/polyurethane (PU) co-continuous composites under different experimental conditions was investigated using an ultrasonic vibration cavitation erosion device.
J X Wang +4 more
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Applied Sciences, 2022 Artificial filled joints made of sand–clay mixtures with different clay weight fractions and saturations have different wave attenuation capacities.
Sheng Li +3 more
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Sensors, 2023 Optical fiber sensors are newly established gas pipeline leakage monitoring technologies with advantages, including high detection sensitivity to weak leaks and suitability for harsh environments.
Shuyu Zhang +4 more
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Mechanism and prevention practice of rock burst in thick and hard roof
Meikuang Anquan, 2023 Based on the characteristics of thick hard roof and hard coal seam of rock burst mine in Ordos area, the occurrence process of rock burst under the condition of wide coal pillar mining was analyzed.
LI Peng
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