Effect of temperature on mechanical properties of prestressing bars
Abstract Properties of prestressing reinforcement deteriorate with rise in temperature and
hence the effect of temperature on mechanical properties is critical for evaluating the fire …
hence the effect of temperature on mechanical properties is critical for evaluating the fire …
Creep of prestressing steels in fire
When prestressing steel (PS) is applied as continuous unbonded tendons within concrete,
as in the case of post‐tensioned (PT) construction, localized damage to the tendons may …
as in the case of post‐tensioned (PT) construction, localized damage to the tendons may …
Improved time-hardening creep model for investigation on behaviour of pre-tensioned steel strands subject to localised fire
Pre-tensioned steel strands as basic elements have been widely used in hybrid string
structures, cable suspension roofs and cable-stayed bridges. There is a growing need to …
structures, cable suspension roofs and cable-stayed bridges. There is a growing need to …
Thermal creep and relaxation of prestressing steel
Y Wei, L Zhang, FTK Au, J Li, NCM Tsang - Construction and Building …, 2016 - Elsevier
The thermal creep and relaxation of prestressing steel are crucial to the permanent loss of
prestress in post-tensioned concrete structures after fire. Harmathy's creep model is widely …
prestress in post-tensioned concrete structures after fire. Harmathy's creep model is widely …
[图书][B] Structural fire performance of contemporary post-tensioned concrete construction
This SpringerBrief equips readers to develop defensible fire safety designs for a range of
concrete structures. It identifies current gaps in the research and provides a more complete …
concrete structures. It identifies current gaps in the research and provides a more complete …
Experimental response of semi-rigid reinforced concrete beam-column joints with bolted angle dissipating connections
Z Wu, X Lu, H Bao, L Li, Z Lu - Journal of Building Engineering, 2024 - Elsevier
Accelerated building construction is a challenge and opportunity for modern construction
techniques such as prefabricated building. However, insufficient connection detail for …
techniques such as prefabricated building. However, insufficient connection detail for …
New parameters to describe high-temperature deformation of prestressing steel determined using digital image correlation
This paper describes the results from a series of high-temperature tension tests on
prestressing steel under sustained load (creep tests). Both steady-state and transient …
prestressing steel under sustained load (creep tests). Both steady-state and transient …
Failure behavior of unbonded bi-directional prestressed concrete panels under RABT fire loading
NH Yi, SJ Choi, SW Lee, JHJ Kim - Fire Safety Journal, 2015 - Elsevier
Although the number of terror-and explosion-related incidents associated with military and
terrorist activities is increasing globally, the existing design procedure for civil infrastructures …
terrorist activities is increasing globally, the existing design procedure for civil infrastructures …
Acceptance criteria for unbonded post-tensioned concrete exposed to travelling and traditional design fires
Modern architecture is striving for large open spaces, which has resulted in the development
of design methodologies such as the Improved Travelling Fires Methodology (iTFM). This …
of design methodologies such as the Improved Travelling Fires Methodology (iTFM). This …
Anisotropic curvature and damage of unbonded post-tensioned concrete slabs during fire testing
Two furnace tests, using two different fire exposures, on unbonded post-tensioned concrete
slabs (1700× 1200 mm) are reported. Local curvature is measured along two lines …
slabs (1700× 1200 mm) are reported. Local curvature is measured along two lines …