Evaluation of Prestress Loss Distribution during Pre-Tensioning and Post-Tensioning Using Long-Gauge Fiber Bragg Grating Sensors [PDF]
Sensors, 2018 Prestress loss evaluation in prestressed strands is essential for prestressed structures. However, the sensors installed outside the duct can only measure the total prestress loss.
Sheng Shen +5 more
doaj +4 more sources
Full-Scale Prestress Loss Monitoring of Damaged RC Structures Using Distributed Optical Fiber Sensing Technology [PDF]
Sensors, 2012 For the safety of prestressed structures, prestress loss is a critical issue that will increase with structural damage, so it is necessary to investigate prestress loss of prestressed structures under different damage scenarios.
Chunguang Lan, Zhi Zhou, Jinping Ou
doaj +4 more sources
Long-Term Prestress Loss Calculation Considering the Interaction of Concrete Shrinkage, Concrete Creep, and Stress Relaxation [PDF]
Materials, 2023 Weiwei Han +4 more
exaly +3 more sources
Effect of Prestress Levels and Jacking Methods on Friction Losses in Curved Prestressed Tendons [PDF]
Applied Sciences, 2017 The effects of prestressing methods and prestress levels on the friction losses of prestressed tendons were evaluated in this study. Two full-scale prestressed concrete girders were fabricated and used for the friction loss experiment.
Sungnam Hong
doaj +2 more sources
Wave-Screening Methods for Prestress-Loss Assessment of a Large-Scale Post-Tensioned Concrete Bridge Model Under Outdoor Conditions [PDF]
Applied SciencesThis paper presents advancements in structural health monitoring (SHM) techniques, with a particular focus on wave-screening methods for assessing prestress loss in a large-scale prestressed concrete (PC) bridge model under outdoor conditions.
Chun-Man Liao +4 more
doaj +2 more sources
Evaluation of prestress losses in an innovative prestressed precast pavement system [PDF]
, 2006 The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file.
Brent M Davis
openalex +3 more sources
Buildings, 2023 Prestressing plays a pivotal role in ensuring the tightness and integrity of prestressed concrete containment in nuclear power plants. The prestress loss reduces the compressive stress in concrete resulting from the prestressing strands and increases the
Xingyi Wu +3 more
doaj +2 more sources
Prestress losses evaluation in prestressed concrete prismatic specimens [PDF]
Engineering Structures, 2013 Funding for this experimental research work has been provided by the Spanish Ministry of Education and Science and ERDF (Project BIA2006-05521 and Project BIA2009-12722). Tests have been conducted at the Institute of Concrete Science and Technology (ICI-TECH), at the Universitat Politecnica de Valencia (Spain).
L.A. Caro +2 more
openalex +4 more sources
Application of Multi-Channel Synchronized Dynamic Strain Gauges in Monitoring the Neutral Axis Position and Prestress Loss of Box Girder Bridges [PDF]
SensorsThe aim of this paper was to explore the application of multi-channel synchronized dynamic strain gauges in monitoring the neutral axis (N.A.) position of prestressed concrete box girders. The N.A.
Shu-Ken Lin +5 more
doaj +2 more sources
Thermal Effects on Prestress Loss in Pretensioned Concrete Girders [PDF]
BuildingsThe fabrication process of pretensioned prestressed concrete (PC) girders involves temperature changes, which affect the effective prestress and mechanical properties of the girders.
Qu Yu, Yongqing Yang, Yu Ren
doaj +2 more sources