Results 101 to 110 of about 197,871 (300)

Impact of wheel shape on the vertical damage of cast crossing panels in turnouts [PDF]

, 2015
Impact forces generated in the load transfer area of railway crossing panels lead to a range of degradation modes from wear and fatigue of the contacting materials, fatigue of supporting components to ballast/subgrade deterioration.
Bezin, Yann, Grossoni, Ilaria, Neves, Sérgio, University of Huddersfield   +3 more
core  

Science Educators and Researchers Must Uphold the Human Rights of Trans, Nonbinary, and Intersex Persons

Science Education, EarlyView.
Abstract Trans, nonbinary, and intersex persons are—and have always been—an integral part of humankind. However, these communities are under attack. We live in a time of growing state repression and the normalization of political violence against trans, nonbinary, and intersex persons throughout much of the world, and we have a responsibility to ...
Quentin C. Sedlacek, A. M. Aramati Casper, Katherine Doerr, Sophia Jeong, Nelly K. M. Marosi, K. Rende Mendoza, Marco Reggiani, Shersingh Joseph Tumber‐Dávila, Jennifer D. Adams, Andrew P. Anderson, Lucy Avraamidou, Charlie K. Blake, Tina Cheuk, Sara J. Dozier, Sarah L. Eddy, Alexander Eden, Rebecka Fingalsson, Michelle Friend, Agustín Fuentes, Heather Haeger, Kathryn L. Kirchgasler, Rishi Krishnamoorthy, Catherine Lemmi, Jeffrey Maloy, Dax Ovid, Kathryn Ribay, Ronan O. Rock, Tatiane Russo‐Tait, Sara Tolbert, Brie Tripp, Maria Varelas   +30 more
wiley   +1 more source

Assessment of Track Quality in Trial Test Sections by Spot and Continuous Method

Communications, 2015
The quality of track alignment and track geometry is an essential precondition of safe and economical operation of railway track. The paper provides an analysis of diagnostics of relative track geometry parameters and evaluation of measurement deviations
Michal Smalo, Libor Izvolt
doaj   +1 more source

Reconstruction of Track Section Stará Paka-Trutnov in 118,9 -121,6 Section with Design of Technological Procedure of Works [PDF]

, 2014
Cílem bakalářské práce je rekonstrukce jednokolejné železniční trati Stará Paka – Trutnov v km 118,9-121,6. Úkolem je navrhnout úpravu geometrických parametrů koleje a vhodnou skladbu železničního svršku.
Maixner, Pavel
core  

Greenway development and gentrification

Southern Economic Journal, EarlyView.
Abstract This paper presents research on expanding access to green spaces in developed areas. Critics claim greenway projects lead to gentrification by increasing the demand for housing and pushing out residents in nearby neighborhoods. We look for evidence of this phenomenon using a sorting model and panel data on aggregate populations in Atlanta ...
Jarron VanCeylon, Richard T. Melstrom
wiley   +1 more source

Durability Improvement Strategies for Concrete Structures of Comprehensive Transport Infrastructure [PDF]

中国工程科学
Transport infrastructures, including railways, highways, waterways, and civil aviation systems, rely heavily on reinforced concrete as their primary structural material. Ensuring the durability of concrete structures is critical for maintaining transport
Huajian Li, Chengxian Ma, Zhiqiang Yang, Haoliang Dong, Zhonglai Yi   +4 more
doaj   +1 more source

“Pengadaan Tanah Bagi Pembangunan Untuk Kepentingan Umum” Pembebasan Lahan Pembangunan Jalur Ganda Rel Kereta Api Pekalongan – Semarang Di Kota Pekalongan [PDF]

, 2013
Steps to fix the railway line in Indonesia started. The plan, traffic lane north of the islandof Javawill be made into a double rail line. The rail track distance is 400 kilometers.Infrastructure development, the government has a plan to fix the railway ...
Fitriyah, F. (Fitriyah), S, T. H. (Tegar), Widayati, W. (Wiwik)   +2 more
core  

Multi‐level fatigue reliability assessment of reinforced concrete railway bridges

Structural Concrete, EarlyView.
Abstract This paper presents a multi‐level reliability framework for assessing the fatigue life of reinforced concrete (RC) railway trough bridges subjected to cyclic loading. The framework incorporates increasing levels of analytical complexity and real‐world data in four steps. First, an analytical model applies S–N curves and the Palmgren–Miner rule
Silvia Sarmiento, Jaime Gonzalez‐Libreros, Chao Wang, Lennart Elfgren, Ola Enoksson, Tommy Höjsten, Lars‐Olof Andersson, Gabriel Sas   +7 more
wiley   +1 more source

Vsetin - Velke Karlovice Railway Track Refurbishment (section between km 2.725 - 6.000 km) Including Track Laying Technology [PDF]

, 2014
Práce se zabývá návrhem geometrických parametrů koleje a rekonstrukcí železničního svršku na vybraném úseku železniční tratě Vsetín – Velké Karlovice. Součástí rekonstrukce je také napojení trati v odbočce Bečva.
Klar, Vít
core  

Thermal Degradation and Thermal Decomposition of Plasticized PVC Including POSS Additives for PVC Compounds: Mechanisms, Impact, and Performance of Standards

Journal of Vinyl and Additive Technology, EarlyView.
Additives' structures. ABSTRACT Poly(vinyl chloride) has been a key polymeric material since its commercial production in 1931, demonstrating versatility across numerous industries due to its compatibility with various additives. PVC's inherent properties, flame retardance, durability, and recyclability make it ideal for building and construction ...
Stefano Gardi, Gianluca Sarti, Luca Palin, Enrico Boccaleri, Alberto Frache   +4 more
wiley   +1 more source