Effects of unbonded steel layout on seismic behavior of post-tensioned precast concrete shear walls
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DOI: 10.1007/s10518-020-00986-x
Abstract: Unbonded post-tensioned precast connections have been studied widely in various applications and shown to be promising seismic resisting systems with superior seismic performance including exceptional self-centering capability and minimized structural damage. In this paper, effects… read more here.
Keywords: tensioned precast; post tensioned; unbonded post; precast concrete ... See more keywords
Experimental study on emulative hybrid precast concrete shear walls
Sign Up to like & getrecommendations! Published in 2017 at "KSCE Journal of Civil Engineering"
DOI: 10.1007/s12205-016-0620-4
Abstract: The reversed cyclic lateral loading experiments were conducted on three, full scale, emulative hybrid precast concrete shear wall specimens with different post-tensioned forces and one reference monolithic RC shear wall specimen, and the measured results… read more here.
Keywords: hybrid precast; post tensioned; precast concrete; wall ... See more keywords
Analysis of Non-Prismatic Two-Way Post-Tensioned Slabs
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DOI: 10.1007/s12205-017-1129-1
Abstract: Using a moment-area procedure to analyze slab-beam with step haunches, rotational stiffness, carry over, and fixed-end moments of a flat slab are formulated for flat slabs with capitals and/or drop panels. Design factors derived are… read more here.
Keywords: tensioned slabs; two way; post tensioned; way post ... See more keywords
Role of Post-tensioned Coconut-fibre Ropes in Mortar-free Interlocking Concrete Construction During Seismic Loadings
Sign Up to like & getrecommendations! Published in 2018 at "KSCE Journal of Civil Engineering"
DOI: 10.1007/s12205-017-1609-3
Abstract: This paper mainly presents the experimental work on studying the effect of post-tensioned coconut-fibre ropes in controlling uplifts of interlocking blocks in mortar-free concrete construction during seismic loadings. Interlocking blocks are capable of returning back… read more here.
Keywords: mortar free; post tensioned; seismic loadings; coconut fibre ... See more keywords
Comparative investigation on effect of fibers in the flexural response of post tensioned beam
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DOI: 10.1007/s42107-019-00121-5
Abstract: Post tensioning has been proved to be economical and efficient for long span bridges and flyovers. Further it has been established that in addition to prestressing, introduction of fibers arrests cracks and enhances ductility characteristics… read more here.
Keywords: comparative investigation; tensioned beams; post; volume ... See more keywords
Moment redistribution and ductility of CFRP strengthened and non-strengthened unbonded post-tensioned indeterminate I-beams composed of UHSSCC
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DOI: 10.1016/j.compstruct.2017.04.057
Abstract: Abstract Strengthening might be necessary for unbonded post-tensioned (UPT) concrete members to account for mistakes at the design stage or to solve construction errors. Various strengthening techniques have been developed that use carbon-fiber-reinforced polymer (CFRP)… read more here.
Keywords: non strengthened; post tensioned; unbonded post; moment redistribution ... See more keywords
Post-tensioned timber structures: New perspectives
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DOI: 10.1016/j.conbuildmat.2017.07.031
Abstract: Abstract The structural behaviour of both glued laminated timber (GL) and laminated veneer lumber (LVL) is well described by the strength effectiveness ratio f/ρ (resistance over unit weight) and the deformation effectiveness ratio E/ρ (elastic… read more here.
Keywords: effectiveness ratio; post tensioned; timber; post ... See more keywords
Numerical study on damage mechanism of post-tensioned concrete box bridges under close-in deck explosion
Sign Up to like & getrecommendations! Published in 2017 at "Engineering Failure Analysis"
DOI: 10.1016/j.engfailanal.2017.07.033
Abstract: Abstract To understand the behavior of post-tensioned concrete box bridges under blast loads, a typical concrete cantilever bridge is exposed to close-in deck explosion. The objectives of the current study are investigating the blast wave… read more here.
Keywords: post tensioned; close deck; box; explosion ... See more keywords
Behavior of ungrouted and unbonded post-tensioned masonry beams and slabs
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DOI: 10.1016/j.engstruct.2017.03.035
Abstract: Abstract The paper shows and discusses the results of an experimental program aimed at assessing the flexural behavior of ungrouted and unbonded post-tensioned masonry (UUPTM) elements such a beams or two-way slabs. In this structural… read more here.
Keywords: ungrouted unbonded; post tensioned; unbonded post; masonry ... See more keywords
Seismic testing of post-tensioned Pres-Lam core walls using cross laminated timber
Sign Up to like & getrecommendations! Published in 2018 at "Engineering Structures"
DOI: 10.1016/j.engstruct.2018.02.075
Abstract: Abstract With the increasing demand for multi-storey timber buildings in areas with high wind loads and high seismic activity, stiff lateral load resisting systems are becoming a crucial design component. Post-tensioned Pres-Lam mass timber lift… read more here.
Keywords: pres lam; post tensioned; core walls; timber ... See more keywords
Flexural behavior of reinforced concrete one-way slabs strengthened via external post-tensioned FRP tendons
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DOI: 10.1016/j.engstruct.2020.110718
Abstract: Abstract External prestressing is an efficient technology to strengthen existing structures, and using fiber-reinforced polymers instead of steel in external tendons is advantageous to avoid corrosion-related problems, though anchoring external fiber-reinforced polymer tendons is still… read more here.
Keywords: post tensioned; fiber reinforced; external post; one way ... See more keywords