Results 101 to 110 of about 6,224 (227)

An entropy-based analysis of GPR data for the assessment of railway ballast conditions [PDF]

, 2017
The effective monitoring of ballasted railway track beds is fundamental for maintaining safe operational conditions of railways and lowering maintenance costs.
Alani, Amir, Benedetto, Francesco, Tosti, Fabio   +2 more
core   +1 more source

Rail roughness and rolling noise in tramways [PDF]

, 2016
Companies which manage railway networks have to cope continually with the problem of operating safety and maintenance intervention issues related to rail surface irregularities. A lot of experience has been gained in recent years in railway applications
Chiacchiari, Laura, Loprencipe, Giuseppe, Ntotsios, E., Squicciarini, G., Thompson, D. J.   +4 more
core   +1 more source

Effects of winglet on transonic flutter characteristics of a cantilevered twin-engine-transport wing model [PDF]

A transonic model and a low-speed model were flutter tested in the Langley Transonic Dynamics Tunnel at Mach numbers up to 0.90. Transonic flutter boundaries were measured for 10 different model configurations, which included variations in wing fuel ...
Bhatia, K. G., Nagaraja, K. S., Ruhlin, C. L.   +2 more
core   +1 more source

Dynamic response of railway tracks in tunnel [PDF]

, 2014
International audiencePeriodically supported beams subjected to a moving load are often used for modelling the railway dynamics and analytical solutions have been developed for such modelling [3, 4].
Caby, R, Duhamel, Denis, Forêt, Gilles, Hoang, T, Joyez, P, Yin, Honoré P.   +5 more
core   +2 more sources

Hubungkait antara sikap dan pengetahuan pelajar kejuruteraan awam terhadap amalan keselamatan di bengkel perkayuan, KUiTTHO [PDF]

, 2002
Laporan kcmalangan yang dilaporkan olch Jabatan Buruh dan Pcrtubuhan Kcbajikan Sosial (SOCSO) mcnyatakan bahawa kadar kcmalangan dalam bidang pcrindustrian semakin mcningkat dari tahun ke tahun.
Wan Mansor, Wan Hilmi
core  

Evaluating railway track support stiffness from trackside measurements in the absence of wheel load data

, 2016
It is generally accepted that track support stiffness is a major factor controlling rates of track geometry deterioration, particularly where the track support stiffness changes abruptly.
Le Pen, Louis, Milne, David, Powrie, William, Thompson, David   +3 more
core   +1 more source

A Novel Approach to the Analysis of Under Sleeper Pads (USP) Applied in the Ballasted Track Structures. [PDF]

Materials (Basel), 2020
Zbiciak A, Kraśkiewicz C, Sabouni-Zawadzka AA, Pełczyński J, Dudziak S.   +4 more
europepmc   +1 more source

Identification of dynamic properties of a flooded ballast layer using impact excitation technique and minimization algorithm

Journal of Infrastructure Preservation and Resilience
In recent times, the railway sector has faced a pressing need to expand its railway network, resulting in the widespread adoption of ballasted tracks. These tracks are favored for their ease of construction, making them a cost-effective solution for the ...
Ratabhat Wangtawesap, Chatpan Chintanapakdee, Chayut Ngamkhanong   +2 more
doaj   +1 more source

Comparison of the effect of different sleeper typologies and track layout on railway vibrations

Latin American Journal of Solids and Structures
The last years, ground vibrations have become an important study field due to the increase of the transports needs for society and its amount of running trains associated.
J. Real, C. Zamorano, T. Asensio, L. Montalbán   +3 more
doaj   +1 more source

Optimising the pattern of semi-rigid columns to improve performance of rail tracks overlying soft soil formation [PDF]

, 2013
With Australia facing a rapid increase in population in the next 30 years, the government is being proactive in handling the forecasted growth. The release of 2010 Metropolitan Transport Plan by the New South Wales (NSW) Government shows that the State ...
Fatahi, B, Khabbaz, H
core