Modeling of SH-Wave Propagation in a Pre-stressed Highly Anisotropic Layered Structure
Sign Up to like & getrecommendations! Published in 2018 at "Mathematical Geosciences"
DOI: 10.1007/s11004-018-9773-7
Abstract: The present study presents the propagation of horizontally polarized shear waves (SH-waves) in highly anisotropic layered media under the effect of horizontal and vertical initial stresses. Following Biot’s theory of incremental stresses, the present problem… read more here.
Keywords: anisotropic layered; highly anisotropic; propagation pre; wave propagation ... See more keywords
Stability of pre-stressed incompressible hyperelastic cylindrical tubes under axial compression
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Dynamics and Control"
DOI: 10.1007/s40435-020-00707-x
Abstract: The problems of stability and controllability of the finite deformation are investigated for a pre-stressed hyperelastic cylindrical tube subjected to the axial compression. The tube is assumed to be composed of an incompressible neo-Hookean material.… read more here.
Keywords: tube; axial compression; hyperelastic cylindrical; deformation ... See more keywords
Flexural strengthening of reinforced concrete beams with pre-stressed near surface mounted CFRP systems
Sign Up to like & getrecommendations! Published in 2017 at "Composite Structures"
DOI: 10.1016/j.compstruct.2016.12.044
Abstract: Abstract This study investigated the effectiveness of strengthening reinforced concrete (RC) beams with pre-stressed near surface mounted (NSM) carbon fiber reinforced polymer (CFRP) systems was investigated. Eight RC beams were tested under four-point loading tests.… read more here.
Keywords: concrete beams; strengthening reinforced; pre stressed; reinforced concrete ... See more keywords
Modelling of Glulam beams pre-stressed by compressed wood
Sign Up to like & getrecommendations! Published in 2017 at "Composite Structures"
DOI: 10.1016/j.compstruct.2017.01.028
Abstract: Abstract Finite element models were, in the first time, developed to simulate the pre-stressing behaviour of Glulam beams with insertion of compressed wood blocks, which were further used to simulate the structural behaviour of the… read more here.
Keywords: glulam beams; wood; compressed wood; pre stressed ... See more keywords
Wave propagation in mass embedded and pre-stressed hexagonal lattices
Sign Up to like & getrecommendations! Published in 2021 at "Composite Structures"
DOI: 10.1016/j.compstruct.2020.113087
Abstract: Abstract This paper investigates the elastic wave propagation, mode veering, and in-plane vibration of pre-stressed hexagonal lattice embedded in an elastic medium and composed of axially loaded Timoshenko beams with attached point masses. The frequency… read more here.
Keywords: stressed hexagonal; pre stressed; elastic medium; wave propagation ... See more keywords
Test of precast pre-stressed beam-to-column joint with damage-free reinforced concrete slab
Sign Up to like & getrecommendations! Published in 2020 at "Engineering Structures"
DOI: 10.1016/j.engstruct.2020.110368
Abstract: Abstract Conventional and pre-stressed precast reinforced concrete slabs are usually affected by severe damage induced by earthquakes. The repair of damaged slabs may compromise the resilience capacity of the structure. To overcome this drawback, this… read more here.
Keywords: column joint; pre stressed; beam column; slab ... See more keywords
Improving flexural performance of post-tensioned pre-cast pre-stressed RC segmental T-beams
Sign Up to like & getrecommendations! Published in 2020 at "Structures"
DOI: 10.1016/j.istruc.2020.01.027
Abstract: Abstract For a segmental pre-stressed beam, the joints between segments will open at the tension side under the effect of bending moment. Accordingly, the concrete will be crushed at the compression side and/or additional tensile… read more here.
Keywords: segmental beams; pre; performance; pre stressed ... See more keywords
Fundamental frequencies and buckling in pre-stressed parabolic arches
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2018.07.038
Abstract: Abstract We operate a perturbation approach on the finite field equations for clamped slender arches with compact symmetric cross-section and parabolic centre curve under a uniform line load parallel to their symmetry axis. We study… read more here.
Keywords: frequencies buckling; buckling pre; pre; stressed parabolic ... See more keywords
Research and engineering application of pre-stressed cementing technology for preventing micro-annulus caused by cyclic loading-unloading in deep shale gas horizontal wells
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2021.108359
Abstract: Abstract Shale gas exploration and development maintained good momentum, but it has some problems at the same time urgently need to be solved, such as sustained casing pressure (SCP), which brought a lot of safety… read more here.
Keywords: shale gas; pre; pre stressed; micro annulus ... See more keywords
Lateral–torsional buckling of steel beams pre-stressed by straight tendons with a single deviator
Sign Up to like & getrecommendations! Published in 2021 at "Thin-walled Structures"
DOI: 10.1016/j.tws.2021.107642
Abstract: Abstract We develop a novel lateral–torsional buckling theory for pre-stressed (PS) steel H-beams with or without a deviator by using the total potential energy derived from the second order terms of semi-tangential rotations, the analytically… read more here.
Keywords: steel beams; torsional buckling; lateral torsional; semi tangential ... See more keywords
Impact of inrush current on field emission current and voltage distribution in series vacuum gaps
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Dielectrics and Electrical Insulation"
DOI: 10.1109/tdei.2018.007567
Abstract: Although vacuum technology is commonly used in power systems, challenges still remain for vacuum circuit breakers (VCBs) to cope with the requirements of capacitor bank switching duties as the insulation performance can deteriorate by inrush… read more here.
Keywords: inrush current; voltage distribution; vacuum; pre stressed ... See more keywords