|
|
|
|
|
Katarina Vrane?ic, Stjepan Laku?ic and Marijana Serdar
Urban railway tracks are the primary modes of transportation in many cities worldwide. Track vehicles mostly use DC from overhead lines, and rails are used as return conductors. Because it is challenging to fully insulate the rail and ensure high rail-to...
ver más
|
|
|
|
|
|
|
|
|
|
|
Daniel Bassey, Ben Ngene, Isaac Akinwumi, Victor Akpan and Gideon Bamigboye
Across the world, ballasted railway tracks are utilised extensively due to their cost efficiency, ease of drainage, and capacity to withstand cyclic imposed loadings from heavy trains. In spite of these benefits, the ballast is often considered as a flex...
ver más
|
|
|
|
|
|
|
|
|
|
|
Josyp Luchko,Vitalii Kovalchuk,Ivan Kravets,Oleksiy Gajda,Arthur Onyshchenko
Pág. 6 - 13
The technical condition of the railroad track subgrade has been analyzed, as well as the issues related to ensuring its strength and stability when exposed to floodwaters and when the track's sections are overmoistened during operation. As a result, it h...
ver más
|
|
|
|
|
|
|
|
|
|
|
Buddhima Indraratna, Yujie Qi, Trung Ngoc Ngo, Cholachat Rujikiatkamjorn, Tim Neville, Fernanda Bessa Ferreira and Amir Shahkolahi
Railway tracks are conventionally built on compacted ballast and structural fill layers placed above the natural (subgrade) foundation. However, during train operations, track deteriorations occur progressively due to ballast degradation. The associated ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jakub Langhammer
This study examines the potential and limits of the unmanned aerial vehicles (UAVs) applicability for the monitoring of stream restoration in an urban environment. UAV imaging was used for long-term post-restoration monitoring of an urban stream. The mon...
ver más
|
|
|
|
|
|
|
|
|
|
|
Timothy Rosen and Laura Christianson
Denitrifying bioreactors are an agricultural best management practice developed in the midwestern United States to treat agricultural drainage water enriched with nitrate-nitrogen (NO3-N). The practice is spreading rapidly to agricultural regions with po...
ver más
|
|
|
|
|
|
|
|
|
|
|
M.S. Kovacevic, K. Gavin, I. Stipanovic Oslakovic, M. Bacic
Pág. 1930 - 1939
The majority of the railway infrastructure in Croatia is over one hundred years old. In common with many other EU member states, a lack of investment in maintenance and renewal projects in over the last 30 years has resulted in generally poor track condi...
ver más
|
|
|
|
|
|
|
|
|
|
|
Matthias Bernet
The Isère River system drains parts of the Western Alps in south-eastern France. Zircon fission-track data of the Isère River and its tributaries show a range of apparent cooling ages from about 7 to 150 Ma. Zircons with Jurassic to early Tertiary coolin...
ver más
|
|
|
|
|
|
|
|
|
|
|
I. O. Bondarenko
Pág. 100 - 103
Some problems of providing the design quality for rail track substructure are presented
|
|
|
|
|
|