Zobrazeno 1 - 10 of 24 pro vyhledávání: '"Hidenori Morikawa"'
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Experimental and analytical investigations of bonding ultrahigh strength fibre concrete panels on reinforced concrete structures with low concrete strength
Autor: Jian Wang, Tetsuo Kawaguchi, Hidenori Morikawa
Publikováno v: Magazine of Concrete Research. 67:1329-1339
A large number of aging reinforced concrete (RC) bridges have become huge potential safety hazards. Due to poor design and/or construction, some of these old RC bridges do not even meet basic safety requirements such as shear capacity. This paper pre
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dfa61435ef563bb2a430cb8a8b410007
https://doi.org/10.1680/macr.15.00026
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3
Shear strengthening of RC beams using ultra-high-strength fibre-reinforced concrete panels
Autor: Tetsuo Kawaguchi, Jian Wang, Hidenori Morikawa
Publikováno v: Magazine of Concrete Research. 67:718-729
This paper proposes a new shear strengthening method for reinforced concrete (RC) beams, in which ultra-high-strength fibre-reinforced concrete (UFC) panels are bonded to existing structural members, and studies the strengthening effects of the metho
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::14a0c79bc1bb378eab57ff0974376d85
https://doi.org/10.1680/macr.14.00331
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6
Experimental Study on Flexural Capacity of RC Beams with Cross-Section Patching Repair and Strengthening by CFRP Sheet
Autor: Hidenori Morikawa, Shuichi Nonaka, Feng Peng
Publikováno v: Journal of the Society of Materials Science, Japan. 58:331-337
In recent years, deteriorated RC bridges due to chloride-induced corrosion have been generally rehabilitated using Fiber Reinforced Polymers (FRP) sheet. Especially for the bridge, in which the spalling and peeling of covering concrete were occurred,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0f55b438c5fb0358a583c8321abc1204
https://doi.org/10.2472/jsms.58.331
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7
PERFORMANCE EVALUATION OF RC BRIDGES WITH CHLORIDE INDUCED DETERIORATION BASED ON CONDITION RATING METHOD
Autor: Hidenori Morikawa, Naoki Yamamoto, Takeshi Ozaki
Publikováno v: Doboku Gakkai Ronbunshuu E. 63:103-115
本論文では，塩害により劣化が生じた既設RC橋について劣化因子の評点化による簡易性能評価手法を提案した．本手法では劣化予測に基づき時間経過に伴う性能評価値の変化を示すこと
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bbff9013d5317b279ebebe0e19f6356e
https://doi.org/10.2208/jsceje.63.103
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9
Optimal Strengthening Strategy on Deteriorated Concrete Bridges Based on Multi-Attribute Utility Approach
Autor: Ken-ichi Katayama, Hidenori Morikawa
Publikováno v: Journal of the Society of Materials Science, Japan. 49:181-186
This paper describes a method of predicting the degradation in safety and determining the optimum time and degree of strengthening for existing concrete bridges. Degradation in safety is predicted by using a degradation curve based on material tests
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1baf33e5811f0c3f7aa83b17f090f14a
https://doi.org/10.2472/jsms.49.181
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10
Structural Materials. Prediction of Strength Distribution of Deteriorated Concrete Members and Shear Strength Evaluation
Autor: Hidenori Morikawa, Suguru Kawai
Publikováno v: Journal of the Society of Materials Science, Japan. 48:919-926
According to results of material testing for existing concrete bridges, we found not only degradation of concrete strength but also large scattering in strength within a same member. In this research, firstly, we modeled strength distribution using t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::926868514dd1584fae32c847bb92ed23
https://doi.org/10.2472/jsms.48.919
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