Experimental study on the shear behaviour of precast concrete hollow core slabs with concrete topping

2016 ◽  
Vol 125 ◽  
pp. 80-90 ◽  
Author(s):  
I.S. Ibrahim ◽  
K.S. Elliott ◽  
R. Abdullah ◽  
A.B.H. Kueh ◽  
N.N. Sarbini
Keyword(s):  
Experimental Study ◽  
Precast Concrete ◽  
Shear Behaviour ◽  
Hollow Core

Experimental Study on a Web Shear Design Equation for Composite Precast Concrete Hollow Core Slabs

2021 ◽  
Vol 33 (5) ◽  
pp. 509-517
Author(s):  
Young-Hun Oh ◽  
Jeong-Ho Moon ◽  
Yeo-Jin Yoon ◽  
Jin-Seop Lee
Keyword(s):  
Experimental Study ◽  
Precast Concrete ◽  
Design Equation ◽  
Hollow Core ◽  
Shear Design

Performance of Precast Concrete Moment Frames Subjected to Column Removal: Part 1, Experimental Study

PCI Journal ◽  
2017 ◽  
Vol 62 (5) ◽  
Author(s):  
H. S. Lew ◽  
Joseph A. Main ◽  
Yihai Bao ◽  
Fahim Sadek ◽  
Vincent P. Chiarito ◽  
...  
Keyword(s):  
Experimental Study ◽  
Precast Concrete ◽  
Moment Frames ◽  
Column Removal

Shear behaviour of hollow precast concrete-composite structures

2021 ◽  
Vol 54 (2) ◽  
Author(s):  
Usama Al-Fakher ◽  
Allan Manalo ◽  
Wahid Ferdous ◽  
Omar Alajarmeh ◽  
Thiru Aravinthan ◽  
...  
Keyword(s):  
Composite Structures ◽  
Precast Concrete ◽  
Shear Behaviour

scholarly journals A study on the behavior of beam-column connections in precast concrete structures: experimental analysis

2012 ◽  
Vol 5 (6) ◽  
pp. 848-873 ◽  
Author(s):  
M. N. Kataoka ◽  
M. A. Ferreira ◽  
A. L. H. C. El Debs
Keyword(s):  
Experimental Analysis ◽  
Precast Concrete ◽  
Concrete Structures ◽  
Concrete Cover ◽  
Experimental Results ◽  
Hollow Core ◽  
Multistory Buildings ◽  
Cracking Control ◽  
Hollow Core Slab ◽  
Reinforcement Distribution

Due to the large increase in the use of precast concrete structures in multistory buildings, this work covers a study on the behavior of beam-column connection with emphasis on the continuity provided by the slab reinforcement. Two prototypes were tested, each one with a different detail of the continuity reinforcement distribution. In both connections, the steel area used on the concrete cover of the hollow core slab was the same, varying the amount of bars that passed through the column and the ones that were placed adjacent to the column. The experimental results showed that the connection with bars adjacent to the column presented stiffness increase and a better cracking control. According to the classification the two tested connections can be considered semi-rigid.

scholarly journals Experimental Study on the Concept of Hollow-Core Photonic Bandgap Fiber Stethoscope

2018 ◽  
Vol 2018 ◽  
pp. 1-4
Author(s):  
Adel Abdallah
Keyword(s):  
Experimental Study ◽  
Relative Phase ◽  
Fiber Optic ◽  
Photonic Bandgap ◽  
Single Mode ◽  
Hollow Core ◽  
Photonic Bandgap Fiber ◽  
Photonic Bandgap Fibers ◽  
Relative Phase Shift ◽  
Phase Generated Carrier

An experiment is proposed to show the feasibility of using hollow-core photonic bandgap fibers (HC-PBF) in the fiber-optic interferometric stethoscopes to generally improve the sensitivity and overcome the problems associated with the electronic stethoscopes. In the experiment, the HC-1550 is used as a measuring arm of an unbalanced Mach-Zehnder interferometer (MZI) and the conventional single-mode optical fiber (SMF) is used as an isolated reference arm. Detection and demodulation of the relative phase shift is performed passively using phase-generated carrier homodyne technique (PGC). The proposed results indicate the significance of using HC-PBFs in the future stethoscopes.

scholarly journals Experimental study of reinforced concrete pile caps with external, embedded and partially embedded socket with smooth interface

2013 ◽  
Vol 6 (5) ◽  
pp. 737-750
Author(s):  
R. Barros ◽  
J.S. Giongo
Keyword(s):  
Experimental Study ◽  
Reinforced Concrete ◽  
Ultimate Load ◽  
Reference Model ◽  
Precast Concrete ◽  
Smooth Interface ◽  
Pile Cap ◽  
Pile Caps ◽  
Monolithic Connections ◽  
Scaled Models

On Precast concrete structures the column foundation connections can occur through the socket foundation, which can be embedded, partially embedded or external, with socket walls over the pile caps. This paper presents an experimental study about two pile caps reinforced concrete with external, partially embedded and embedded socket submitted to central load, using 1:2 scaled models. In the analyzed models, the smooth interface between the socket walls and column was considered. The results are compared to a reference model that presents monolithic connections between the column and pile cap. It is observed that the ultimate load of pile cap with external sockets has the same magnitude as the reference pile cap, but the ultimate load of models with partially embedded and embedded socket present less magnitude than the reference model.

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