About

Yuya Takahashi is an Assistant Professor in the Department of Economics at the University of Washington. His research focuses on econometrics and microeconomics, with particular attention to dynamic discrete choice models, estimation of games under equilibrium multiplicity, and the effects of grade retention timing on outcomes. Takahashi has contributed to the development of methods for sharp identification in models with incomplete data and has explored estimation techniques in static and dynamic game settings. His work includes collaborations on topics such as rural China's tiered medical system and labor market analysis, demonstrating a strong engagement with empirical industrial organization and labor economics.

Research topics

• Composite material
• Materials science
• Structural engineering
• Engineering

Selected publications

• Computational Modeling of Combined Frost Damage and Alkali-Silica Reaction on the Durability and Fatigue Life of RC Bridge Decks

  Journal of Intelligent Construction · 2023 · 96 citations

  • Materials science
  • Composite material
  • Structural engineering

  A coupling model reflecting the interaction between freeze–thaw cycles (FTCs) and alkali–silica reactions (ASRs) is established from the microscale to the macroscale under the consideration of non-uniform environmental and mechanical conditions. At both material and structural levels with/without reinforcement, the deformation and damage patterns of specimens under single and coupled FTCs and ASRs were simulated by multiscale finite element analysis and partially verified by experiments. Furthermore, following different sources of damage actions, the remaining fatigue life of reinforced concentrate (RC) slabs under traffic loads was investigated. The results show that ASR-driven expansion is mainly governed by the arrangement of reinforcing bars, whereas FTC damage is mainly initiated from corners, edges, and surfaces of RC slab parts and closely relies on water supply. In addition, the severity of coupled damage (FTC and ASR) can be significantly greater than that of the sum of single ASR and FTC damage due to the gel-filling of pores and entrained air. Finally, in terms of the remaining fatigue life, the ASR could be occasionally beneficial for bridge decks under moving traffic loads due to gel-filled cracks and chemical prestressing. However, if cracks are empty or filled by condensed liquid water, the overall fatigue life will be significantly reduced.

  DOI

• Time-dependent Effect of Expansion due to Alkali-silica Reaction on Mechanical properties of Concrete

  Journal of Advanced Concrete Technology · 2021 · 20 citations

  Senior authorCorresponding
  • Materials science
  • Composite material

  This study investigates the time-dependent mechanical properties of concrete deteriorated by the alkali–silica reaction (ASR). Previous analytical and experimental studies have indicated the positive impact of ASR gel in the cracks against mechanical damage in concrete. To study the effects of ASR gel on cracked concrete, groups of cylinder specimens with different expansion levels were prepared and tested at different material ages. The compression test results showed that the deteriorated elastic modulus of the specimens could be recovered over time. Mechanical property data from the other ASR studies were collected and assessed to observe similar trends across the literature. It was observed that the recovery of the elastic modulus also occurred in previously reported experiments. The recovery of the elastic modulus is assumed to be due to the time-dependent chemical and physical properties of ASR gel, which fills the cracks. Moreover, the data indicated that parameters other than material age and expansion could be attributed to the time-dependent mechanical properties of concrete affected by ASR.

  DOI

• Mechanical properties of concrete with smeared cracking by alkali-silica reaction and freeze-thaw cycles

  Cement and Concrete Composites · 2020 · 62 citations

  • Materials science
  • Composite material
  DOI

Frequent coauthors

• Tetsuya Ishida

  26 shared

• Koichi Maekawa

  Yokohama National University

  17 shared

• Shigeto Fujimura

  Tohoku Agricultural Research Center

  12 shared

• Martin Pesendorfer

  University College London

  11 shared

• Go Igarashi

  10 shared

• Hyo‐Eun Joo

  The University of Tokyo

  10 shared

• Shunichi Kaneko

  The University of Tokyo

  9 shared

• Yoshikatsu Ueda

  Research Institute for Sustainable Humanosphere

  9 shared

Labs

• Yuya Takahashi LabPI

Education

• Ph.D., Economics

  University of Washington

  2014

• M.A., Economics

  University of Tokyo

  2010

• B.A., Economics

  University of Tokyo

  2008

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