STUDIES OF NOISE GENERATION OF URBAN RAILWAY
نویسندگان
چکیده
منابع مشابه
Spatial modelling of railway noise propagation
In recent decades, population growth and progress of technology have shaped large and compact urban settlements. Existence of huge transportation systems and developed urban infrastructures are among the most important properties of modern cities. In spite of prompt transit and facilitated daily activities, development of transportation systems causes many problems, including traffic, air and n...
متن کاملpostnatal studies of bats (pipistrellus kuhlii and miniopterus schreibersii) & histomorphology and histochemistry studies of organs and diseases of (neurergus microspilotus and n. kaiseri)
1. to determine whether difference in birth body mass influenced growth performance in pipistrellus kuhlii we studied a total of 12 captive-born neonates. bats were assigned to two body mass groups: light birth body mass (lbw: 0.89 ± 0.05, n=8) and heavy birth body mass (hbw: 1.35 ± 0.08, n=4). heavier body mass at birth was associated with rapid postnatal growth (body mass and forearm length) ...
analysis of reading comprehension needs of the students of paramedical studies: the case of the students of health information management (him)
چکیده ندارد.
15 صفحه اولComparison of Annoyance from Railway Noise and Railway Vibration
The aim of this study is to compare vibration exposure to noise exposure from railway traffic in terms of equal annoyance, i.e., to determine when a certain noise level is equally annoying as a corresponding vibration velocity. Based on questionnaire data from the Train Vibration and Noise Effects (TVANE) research project from residential areas exposed to railway noise and vibration, the dose r...
متن کاملAdditional railway noise source terms for "Calculation of Railway Noise 1995"
Executive Summary When the procedure " Calculation of Railway Noise 1995 " (CRN) [Ref 1] was devised, the list of stock that was included was aimed at representing the majority of typical vehicles operating on the railway at that time. However, since 1995 the nature of the rolling stock fleet has changed considerably and there are many types of vehicle currently in operation that are not includ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Proceedings of the Japan Society of Civil Engineers
سال: 1977
ISSN: 1884-4936,0385-5392
DOI: 10.2208/jscej1969.1977.262_101