scholarly journals An Experimental Study on Dimensionless Linearized Friction Coefficient of Breakwaters with Precast Concrete Armour Unit

1991 ◽  
Vol 7 ◽  
pp. 155-159
Author(s):  
Toru Sawaragi ◽  
Yasuo Ida ◽  
Masao Nochino ◽  
Tomohiro Suga
Keyword(s):  
Experimental Study ◽  
Friction Coefficient ◽  
Precast Concrete

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

scholarly journals Experimental study of the contact line friction coefficient

2020 ◽  
Vol 1677 ◽  
pp. 012156
Author(s):  
N Sibiryakov ◽  
W Zheng ◽  
O Kabov ◽  
B Bai
Keyword(s):  
Experimental Study ◽  
Friction Coefficient ◽  
Contact Line ◽  
Contact Line Friction

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.

scholarly journals Behavior of Precast Concrete Beam-to-Column Connection with U- and L-bent Bar Anchorages Placed Outside the Column Panel–experimental Study

2014 ◽  
Vol 95 ◽  
pp. 122-131 ◽  
Author(s):  
Dicky I. Wahjudi ◽  
Priyo Suprobo ◽  
Hidajat Sugihardjo ◽  
Tavio
Keyword(s):  
Experimental Study ◽  
Concrete Beam ◽  
Precast Concrete

Experimental Study of a Variable Pressure Damper on Automotive Valve Motion

1996 ◽  
Author(s):  
Jin-Jang Liou ◽  
Grodrue Huang ◽  
Wensyang Hsu
Keyword(s):  
Experimental Study ◽  
Friction Coefficient ◽  
Friction Force ◽  
High Speed ◽  
Experimental Results ◽  
Variable Pressure ◽  
Friction Forces ◽  
Valve Spring ◽  
Valve Motion

Abstract A variable pressure damper (VPD) is used here to adjusted the friction force on the valve spring to investigate the relation between the friction force and the valve bouncing phenomenon. The friction force on the valve spring is found experimentally, and the corresponding friction coefficient is also determined. Dynamic valve displacements at different speeds with different friction forces are calibrated. Bouncing and floating of the valve are observed when the camshaft reaches high speed. From the measured valve displacement, the VPD is shown to have significant improvement in reducing valve bouncing distance and eliminating floating. However, experimental results indicate that the valve bouncing can not be eliminated completely when the camshaft speed is at 2985 rpm.

Experimental study on interior precast concrete beam–column connections with lap-spliced steel bars in field-cast RPC

2021 ◽  
Vol 228 ◽  
pp. 111481
Author(s):  
Fudong Ma ◽  
Mingke Deng ◽  
Yuren Ma ◽  
Hao Lü ◽  
Yong Yang ◽  
...  
Keyword(s):  
Experimental Study ◽  
Concrete Beam ◽  
Precast Concrete ◽  
Steel Bars
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