Results 1 to 10 of about 943 (198)
Verification of Actual Prestressing in Existing Pre-Tensioned Members
Applied Sciences, 2021 In the case of prestressed concrete structures, information about the actual state of prestressing is an important basis for determining their load-carrying capacity as well as remaining service life.
Jakub Kraľovanec +4 more
doaj +3 more sources
Elasto-magneto-electric (EME) sensors for force monitoring of prestressing tendons
Advances in Bridge Engineering, 2023 Stress/force monitoring of prestressing tendons is challenging but crucial to the evaluation of the safety of structures in which they are used. To this end, a smart elasto-magneto-electric (EME) sensor based on elasto-magnetic (EM) and magneto-electric (
Ru Zhang +5 more
doaj +2 more sources
Indirect Determination of Residual Prestressing Force in Post-Tensioned Concrete Beam [PDF]
Materials, 2021 Petra Bujňáková +2 more
exaly +2 more sources
Multi-Step Prestressing with Hybrid SMA Wires
Applied Sciences, 2020 Prestressing force is induced in reinforced concrete (RC) structures to improve their load-carrying capacity. Generally, the prestressing strand of an RC structure is tensioned using a hydraulic jack, which decreases its workability.
Chi-Young Jung +2 more
doaj +1 more source
Analysis of Prestressing in Precast Prestressed Concrete Beams
Civil and Environmental Engineering, 2021 Knowledge of prestressing force’s value is in the case of prestressed concrete structure the most important basis for defining load-carrying capacity and remaining service life. Numbers of prestressed concrete structures are about to reach their limit of
Kraľovanec Jakub +2 more
doaj +1 more source
Smart Sensing of PSC Girders Using a PC Strand with a Built-in Optical Fiber Sensor
Applied Sciences, 2021 This paper presents a multi-functional strand capable of introducing prestressing force in prestressed concrete (PSC) girders and sensing their static and dynamic behavior as well.
Sung Tae Kim +5 more
doaj +1 more source
Numerical investigation of the impact of rail seat abrasion on the performance of pre-stressed concrete railways [PDF]
مهندسی و مدیریت ساخت, 2023 In addition to higher carrying capacity, ballastless railways require lower maintenance costs than ballasted ones. Nevertheless, the rail seat abrasion (RSA) is one of the most important factors of damage to the slab railways.
seyd mohamad farnam +2 more
doaj
Bond modelling of prestressed concrete during the prestressing force release [PDF]
Materials and Structures, 2010 This paper presents an analytical model for simulating the bond between steel and concrete, in precast prestressed concrete elements, during the prestressing force release. The model establishes a relationship between bond stress, steel and concrete stress and slip in such concrete structures.
Benitez Baena, Jose Maria +1 more
openaire +3 more sources
Numerical Analysis on the Bending Performance of Prestressed Superposing-Poured Composite Beams
Advances in Civil Engineering, 2020 Aiming at the bending performance of the prestressed superposing-poured concrete beam, the numerical simulation on the composite beams poured with the normal weight concrete (NWC) superposed on the fibred ceramsite lightweight aggregate concrete (LWAC ...
Jianmin Wang +4 more
doaj +1 more source
Buildings, 2022 Local prestressing of reinforcement can be effective for slender reinforced concrete columns with large longitudinal force eccentricities. This article deals with columns with prestressed reinforcement on the side opposite to the eccentricity of the ...
Anton Chepurnenko +3 more
doaj +1 more source