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Man charged in Jordan Neely’s subway chokehold death
Daniel Penny turned himself in on May 12 after being charged with second-degree manslaughter in the death of Jordan Neely on a New York subway train.
Streaming Video
Jonathan cleaned up--then he heard a sound, or, Blackberry subway jam
Mortimer's house suddenly becomes a subway station and he goes to City Hall to find out why.
Book
Underground Writing
The purpose of this book is to explore the ways in which the London Underground/ Tube was ‘mapped’ by a number of writers from George Gissing to Virginia Woolf. From late Victorian London to the end of the World War II, ‘underground writing’ created an imaginative world beneath the streets of London. The real subterranean railway was therefore re-enacted in number of ways in writing, including as Dantean Underworld or hell, as gateway to a utopian future, as psychological looking- glass or as place of safety and security. The book is a chronological study from the opening of the first underground in the 1860s to its role in WW2. Each chapter explores perspectives on the underground in a number of writers, starting with George Gissing in the 1880s, moving through the work of H. G. Wells and into the writing of the 1920s & 1930s including Virginia Woolf and George Orwell. It concludes with its portrayal in the fiction, poetry and art (including Henry Moore) of WW2. The approach takes a broadly cultural studies perspective, crossing the boundaries of transport history, literature and London/ urban studies. It draws mainly on fiction but also uses poetry, art, journals, postcards and posters to illustrate. It links the actual underground trains, tracks and stations to the metaphorical world of ‘underground writing’ and places the writing in a social/ political context.
eBook
Deriving Spatio-Temporal Development of Ground Subsidence Due to Subway Construction and Operation in Delta Regions with PS-InSAR Data: A Case Study in Guangzhou, China
Subways have been an important method for relieving traffic pressures in urban areas, but ground subsidence, during construction and operation, can be a serious problem as it may affect the safety of its operation and that of the surrounding buildings. Thus, conducting long-term ground deformation monitoring and modeling for subway networks are essential. Compared with traditional geodetic methods, the Persistent Scatterer Interferometric Synthetic Aperture Radar (PS-InSAR) technique offers wider coverage and denser measurements along subway lines. In this study, we mapped the surface deformation of the Guangzhou subway network with Advanced Synthetic Aperture Radar (ASAR) and Phased Array Type L-band Synthetic Aperture Radar (PALSAR) data using the Interferometric Point Target Analysis (IPTA) technique. The results indicate that newly excavated tunnels have regional subsidence with an average rate of more than 8 mm/year, as found on Lines Two, Three, Six, and GuangFo (GF). Furthermore, we determined the spatio-temporal subsidence behavior of subways with PALSAR in delta areas using Peck’s formula and the logistic time model. We estimated the tunneling-related parameters in soft soil areas, which had not been previously explored. We examined a section of line GF, as an example, to estimate the ground settlement trough development. The results showed the maximum settlement increased from −5.2 mm to −23.6 mm and its ground loss ratio ranged from 1.5–8.7% between 13 July 2008 and 19 January 2011. In addition, we found that the tunnels in line GF will become stable after a period of about 2300 days in peak subsidence areas. The results show that the proposed approach can help explain the dynamic ground subsidence along a metro line. This study can provide references for urban subway projects in delta areas, and for the risk assessment of nearby buildings and underground pipelines along metro lines.
Journal Article
Indoor concentrations of radon in Cairo subway
The current study was going to detect radon concentrations in one of Cairo’s subways. The radon gas was detected in certain common positions chosen for thirteen stations. Plastic cans were prepared to hold the CR-39 samples and to be positioned at their destination in the stations. The cans were installed through two periods of one month and two months. Afterwards, the track density of radon gas was calculated for all the collected samples and then the concentration of radon was estimated in the stations. It was found that the average value of Rn concentration in the thirteen stations exceeds the average normal Rn concentration indoors. The measured values are less than the recommended maximum value of 300 Bq m −3 for radiation protection of residents according to ICRP Publ. 126. The indoor average radon concentrations were found less than the action level of 300 Bq m −3 , 100 Bq m −3 , and 148 Bq m −3 as recommended by ICRP, and WHO, respectively.
Journal Article