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Development of high stability hot mix asphalt concrete with hybrid binder

Journal of Traffic and Transportation Engineering(English Edition) 2014年第6期1卷 424-431页

作者： Toshiaki Hirato Masato Murayama hirotaka sasaki Toa Road Corporation TsukubaIbarakiJapan Kao Corporation SumidaTokyoJapan

Cost reduction of public works projects has been desired due to severe financial circumstances. Therefore, asphalt pavement has been requested to extend its life. Semi-flexible pavement or epoxy asphalt pavement, which has high rutting resistance and oil resistance, may be applied to the place where these performances are demanded. However, special technique is required in manufacturing and construction. In addition, these materials have also raised a problem that they cannot be recycled. Meanwhile, conventional asphalt pavement has several drawbacks. It is vulnerable to rutting caused by traffic load and damage caused by petroleum oils such as gasoline or motor oil. The materials used in asphalt mixtures were studied for improving the durability of asphalt mixture. A high stability asphalt concrete was developed which has equal or superior performance to semi-flexible pavement and epoxy asphalt pavement. In this paper, the process of selecting the substance and the characteristics evaluation of the developed mixtures are described. Furthermore, an inspection result as well as follow- up survey of the performance of the developed mixtures obtained from trial and actual construction is shown.

关键词： hot mix asphalt rutting resistance oil resistance semi-flexible pavement epoxy asphaltpavement

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DEVELOPMENT OF HIGH STABILITY HOT MIX ASPHALT CONCRETE WITH HYBRID BINDER

DEVELOPMENT OF HIGH STABILITY HOT MIX ASPHALT CONCRETE WITH ...

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ISAP2012重载沥青路面和桥面铺装专题会议

作者： Toshiaki Hirato Masato Murayama hirotaka sasaki Toa Road Corporation Kao Corporation

＜正＞Conventional asphalt concrete pavement has several drawbacks;it is vulnerable to rutting caused by traffic load and damage caused by petroleum oils such as gasoline,light oil and motor ***-flexible pavement or epoxy asphalt pavement,which has relatively high rutting resistance and oil resistance in asphalt pavement,may be applied to the place where these performances are ***,they require special technique in manufacturing and *** addition,these materials have also raised a problem that they can not be recycled.

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Case of plasmablastic lymphoma of the sigmoid colon and literature review

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World Journal of Gastroenterology 2015年第24期21卷 7598-7603页

作者： Tomoko Haramura Masashi Haraguchi Junji Irie Shinichiro Ito hirotaka Tokai Kazumasa Noda Masachika Kitajima Shigeki Minami Keiji Inoue Yuya sasaki Koichi Oshima Susumu Eguchi Department of Surgery Nagasaki Harbor Medical Center City Hospital Department of Pathology Nagasaki Harbor Medical Center City Hospital Department of Pathology Kurume University Department of Surgery Nagasaki University Graduate School of Biomedical Sciences

Plasmablastic lymphoma(PBL) is a rare form of nonHodgkin's lymphoma that is associated with human immunodeficiency virus(HIV) infection. Although PBL is most commonly observed in the oral cavity of HIV-positive patients, it can also be observed at extra-oral sites in HIV-negative patients. This report represents an unusual case of HIV-negative PBL that occurred in the sigmoid colon. This patient had a history of systemic lupus erythematosus and an underlying immunosuppressive state from long term steroid therapy. The lymphoma cells were positive for CD138, kappa light chain restriction and Epstein-Barr virus and negative for CD20/L26, CD3, CD79 a, UCHL1(CD45RO) and cytokeratin(AE1/AE3). The patient died approximately 2 mo after the operation. In the present paper, we review cases of PBL of the colon in HIVnegative patients.

关键词： Plasmablastic lymphoma Sigmoid colon Humanimmunodeficiency virus-negative Immunosuppressive state Extra-oral site

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