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Dive into the research topics where Masaru Nagayama is active.

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Featured researches published by Masaru Nagayama.


Summaries of technical papers of Annual Meeting Architectural Institute of Japan. A-1, Materials and construction | 2011

1078 Fundamental Study on Performance-based of Durability of Existing Reinforced Concrete Structures : Part 1. Outline of Study

Junji Yamasaki; Kazuyuki Shimozawa; Kei-ichi Imamoto; Akio Tanaka; Masaru Nagayama


Journal of Structural and Construction Engineering (transactions of Aij) | 2009

APPLICABILITY OF DRILL-PR METHOD FOR EVALUATING THE PERFORMANCE OF CONCRETE COVER TO RESIST THE REBAR CORROSION IN CONCRETE

Kazuyuki Shimozawa; Masaru Nagayama; Keiichi Imamoto; Junji Yamasaki; Seiji Nimura; Hirozo Mihashi


Journal of Structural and Construction Engineering (transactions of Aij) | 2009

A FUNDAMENTAL STUDY TOWARDS PERFORMANCE-BASED CONTROL OF DURABILITY OF RC STRUCTURES BASED ON THE AIR PERMEABILITY OF CONCRETE COVER

Keiichi Imamoto; Junji Yamasaki; Kazuyuki Shimozawa; Masaru Nagayama; Seiji Nimura


J. Struct. Constr. Eng. | 2009

A FUNDAMENTAL STUDY TOWARDS PERFORMANCE-BASED CONTROL OF DURABILITY OF RC STRUCTURES BASED ON THE AIR PERMEABILITY OF CONCRETE COVER:—Air permeability index and its relation to carbonation depth of concrete—

Kei-ichi Imamoto; Junji Yamasaki; Kazuyuki Shimozawa; Masaru Nagayama; Seiji Nimura


Archive | 2008

A recent Japanese trial of air-permeability testers for concrete cover - Part 1. Capabilities of in-situ test methods -

Masaru Nagayama; Keiichi Imamoto; Junji Yamasaki; Kazuyuki Shimozawa; Seiji Nimura


Archive | 2008

A recent Japanese trial of air-permeability testers for concrete cover - Part 2. Performance-based evaluation of durability of RC structures -

Masaru Nagayama; Keiichi Imamoto; Kazuyuki Shimozawa; Junji Yamasaki; Seiji Nimura


Journal of Structural and Construction Engineering (transactions of Aij) | 2006

APPLICABILITY OF SINGLE CHAMBER METHOD FOR EVALUATING THE AIR PERMEABILITY OF COVER CONCRETE

Keiichi Imamoto; Junji Yamasaki; Kazuyuki Shimozawa; Masaru Nagayama; Seiji Nimura


Journal of The Society of Materials Science, Japan | 2004

Deflections and Cracking of Full Scale Specimens with Recycled Coarse Aggregate Concrete Processed by a Decompression and Rapid Release

Keiichi Imamoto; Yoshimoto Kimura; Masaru Nagayama; Hiroshi Tamura


Proceedings of the Japan Concrete Institute | 2001

An Experimental Study on the Non-Destructive Evaluation of Durability of Cover Concrete

Kazuyuki Shimozawa; Hiroshi Tamura; Masaru Nagayama; Kei-ichi Imamoto


Journal of Structural and Construction Engineering (transactions of Aij) | 1998

WATER-SOLUTION EXPERIMENTS ON FUNDAMENTAL PERFORMANCE OF A MINISENSOR FOR CORROSION MONITORING OF REINFORCING STEEL IN CONCRETE

Masaru Nagayama; Hiroshi Tamura; Yasuo Tanigawa

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Keiichi Imamoto

Ashikaga Institute of Technology

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Kei-ichi Imamoto

Tokyo University of Science

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