Results 81 to 90 of about 2,908,449 (159)
Blasting Vibration Monitoring of Undercrossing Railway Tunnel Using Wireless Sensor Network
International Journal of Distributed Sensor Networks, 2015 The construction blasting in a new tunnel will undoubtedly influence the structure of existing tunnel. In order to monitor the effect of the blast-induced vibration on the structure of existing tunnel, a wireless sensor network (WSN) was established ...
Jinxing Lai +4 more
doaj +1 more source
Barefoot running improves economy at high intensities and peak treadmill velocity [PDF]
, 2014 Aim: Barefoot running can improve running economy (RE) compared to shod running at low exercise intensities, but data is lacking for the higher intensities typical during many distance running competitions.
Barwood, Martin J. +4 more
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Modified Scaled Distance Equation Used for Estimation of Peak Particle Velocity
, 2020 Scaled distance equations used for estimating peak particle velocity have been developed by some researchers. The most widely used equation among these is the equation developed by Duvall and Fogelson.
Tosun, ABDURRAHMAN
core +1 more source
Analisis ground vibration dengan metode peak particle velocity (ppv)
Measurement of Peak Particle Velocity (PPV) mm / sec in the Sabo dam construction project was carried out using seismic accelerometers. This study is to determine the value of PPV produced by construction equipment and then compared with the BS 6472-2 ...
Hari Hadi S
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Spatial response and prediction model for blasting-induced vibration in a deep double-line tunnel
International Journal of Mining Science and TechnologyExcessive blasting-induced vibration during drilling-and-blasting excavation of deep tunnels can trigger geological hazards and compromise the stability of both the rock mass and support structures.
Chong Yu +5 more
doaj +1 more source
Open GeosciencesIn cases where blast vibrations cannot be measured with seismographs, empirical formulas are commonly used to predict vibration by specifying the peak particle velocity (PPV)-scale distance (SD) relationship.
Ercins Serdar
doaj +1 more source
Study on the Characteristics and Parameter Optimization of Wedge Cut Delayed Blasting in a Tunnel
EngTo improve the blasting performance of tunnel wedge cutting while mitigating vibration effects, this study proposes a precise delayed blasting method and evaluates its effectiveness through a three-dimensional numerical simulation, similarity model test,
Yu Hu +6 more
doaj +1 more source
Shock and Vibration, 2019 Seismic wave induced by underwater drilling and blasting may exert adverse effects to the surrounding structures. Peak particle velocity (PPV) has been widely used to reflect the intensity of seismic wave, while the method fails to take other influential
Yaxiong Peng +3 more
doaj +1 more source
AlgorithmsBlast-induced ground vibrations present substantial safety and environmental hazards in surface mining operations. This study proposes and evaluates the Sparrow Search Algorithm-optimized ANN (SSA-ANN) against artificial neural network (ANN), Genetic ...
Kesalopa Gaopale +3 more
doaj +1 more source