Results 111 to 120 of about 388,693 (298)
Seismic dynamic response analysis for tunnels considering coseismic displacement
Fault dislocation is a form of dynamic impact load that induces permanent deformation of the stratum in the vicinity of the fault. Based on the finite-fault source and crustal velocity model, coseismic displacement is computed according to the layered ...
FENG Jun1, 2 , ZHAO Boming1, 2 , WANG Zijun1, 2
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Investigation of Ground Vibration of Full-Stone Foundation under Dynamic Compaction
This study focuses on the ground vibration of a full-stone foundation treatment project. The single-point dynamic compaction test was performed using a tamping machine at an energy level of 3200 kN·m. Time-history curves of ground vibration velocity were
Jiawen Wu +5 more
doaj +1 more source
A simple, analytic 3-dimensional downburst model based on boundary layer stagnation flow [PDF]
A simple downburst model is developed for use in batch and real-time piloted simulation studies of guidance strategies for terminal area transport aircraft operations in wind shear conditions.
Bowles, Roland L., Oseguera, Rosa M.
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Influence of vibrations on structures [PDF]
One type of occasional structural load is a seismic load. Earthquakes and blasts are typical sources of vibrations, but vibration generated during urban tunnel construction can represent a significant problem.
Kaláb, Zdeněk
core
Three transiting exoplanet candidate stars were discovered in a ground-based photometric survey prior to the launch of NASA's {\it Kepler} mission. {\it Kepler} observations of them were obtained during Quarter 1 of the {\it Kepler} mission.
Bryson, Stephen T. +8 more
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This study uncovers the unexplored role of intermolecular interactions in multiphoton absorption in coordination polymers. By analyzing [Zn2tpda(DMA)2(DMF)0.3], it shows how the electronic coupling of the chromophores and confinement in the MOF enhance two‐and three‐photon absorption.
Simon Nicolas Deger +11 more
wiley +1 more source
The 2024 Mw 7.5 Noto Peninsula earthquake was the largest inland earthquake recorded by dense K-NET and KiK-net strong-motion seismographs in Japan after their establishment in the second half of the 1990s.
Yadab P. Dhakal +6 more
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Biofabrication aims at providing innovative technologies and tools for the fabrication of tissue‐like constructs for tissue engineering and regenerative medicine applications. By integrating multiple biofabrication technologies, such as 3D (bio) printing with fiber fabrication methods, it would be more realistic to reconstruct native tissue's ...
Waseem Kitana +2 more
wiley +1 more source
Changes in Lower-Extremity Gait Biomechanics Following High-Cadence Cycling
We sought to investigate the lower-extremity biomechanics underlying increased gait velocity following high-cadence cycling. Ground reaction forces (GRF) and lower-extremity kinematics and kinetics were recorded as 15 healthy adults walked at a self ...
Tanner A. Thorsen +2 more
doaj +1 more source
Muscle-Specific Effective Mechanical Advantage and Joint Impulse in Weightlifting [PDF]
Lifting greater loads during weightlifting exercises may theoretically be achieved through increasing the magnitudes of net joint impulses or manipulating the joints’ effective mechanical advantage (EMA).
Harris, Chad, Kipp, Kristof
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