QR (Quarterly Report of RTRI)

PERSPECTIVES

• Direction of Powertrain Technology for CASE Deployment in Railway Vehicles

  M.OGASAP153

• Recent Research and Development Activities in Materials Technology

  H.UEDAP157

• Earthquake Countermeasure Technology for Small to Huge Earthquakes

  S.YAMAMOTOP161

PAPERS

• Fast Calculation Method of Abnormality Degree for Real Time Abnormality Detection in Vehicle Equipment

  M.KONDO, Y.SAKAIDANIP165

• Analytical Method of Noise Contribution Ratio in Railway Vehicle Using Small Speaker and Acoustic Particle Velocity Sensor

  M.ASAHINA, K.YAMAMOTO, T.GOTOP171

• Development of Train Positioning System Using Track Curvature Collation Applied with Spatial Filtering

  K.HARADA, Y.MAKI, K.ISHIGURI, A.KAZATOP178

• Tribological Aspects to Optimize Traction Coefficient during Running-in Period using Surface Texture

  S.FUKAGAI, L.MA, R.LEWISP184

• Effect of Alkali-silica Reaction on Delayed Ettringite Formation in Concrete

  Y.YAMAZAKI, K.TSURUTA, M.UEHARAP192

• Development of Damage Reducing Rail Surface Height Adjustment Pad

  M.SUZUKI, Y.MASUDA, T.DESHIMARU, F.URAKAWA, N.YAGUCHI, D.SATOP198

• Development of Dead Weight Compensation Device for Improving Anti-catastrophe Performance of Viaducts

  A.TOYOOKA, H.NUNOKAWA, Y.MURONOP205

• Applicability of Magnitude Determination Method Considering Time Dependence of P-Wave Growth to Railway Earthquake Early Warning System

  S.NODAP210

• Development of Spread Foundation Composed of Micropiles and Soilbags to Reduce Seismic Response of Structures

  T.DOI, S.YAMADA, Y.MURONO, H.CHOP215

• Improved Epicentral Distance Estimations for Railway Earthquake Early Warning

  H.STEELE, S.NODA, S.YAMAMOTO, M.KORENAGAP222

SUMMARIES

• Summaries of RTRI REPORT (in Japanese)

  P228

ANNUAL INDEX

• Annual Index: Subjects Vol.61, No.1- No.3 (2020)

  P232