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CONCRETE LIBRARY OF JSCE NO. 23, JUNE 1994
RECOMMENDED PRACTICE FOR EXPENSIVE CONCRETE
(Translation from the CONCRETE LIBRARY NO.75 published by JSCE, July 1993)
JSCE Committee on High Quality Concrete The Expansive Concrete Working Group
Chairman of the Committee Shigeyoshi NAGATKI			Leader of the Working Group Yukikazu TSUJI
Members of the Committee
Manabu FUJII Tsutomu FUKUTE Toru KAWAI Hirotaka KAWANO Hiroshi KOJIMA Katsuro KOKUBO Kyuichi MARUYAMA Takashi MASUDA Tetsuo MATSUDA Yasunori MATSUOKA		Hiromichi MATSUSHITA Toyoaki MIYAGAWA Masao MIYAMOTO Takashi MIURA Kenichi MOTOHASHI Hiroyuki OHGA Nobuaki OTSUKI Hiroshi OHNUMA Kazumasa OZAWA		Noboru SAEKI Ryoichi SATO Makoto TAKEYAMA Shigeyuki SOGO Yukikazu TSUJI Hidetaka UMEHARA Taketo UOMOTO Yasuhiko YAMAMOTO Toshio YONEZAWA
Members from Sponsoring Organization
Takao CHIKADA Hideaki GOMI	Koji NAKAJIMA Mitsugu SUGIMOTO				Shigemi TABEDA Rokuro TOMITA
Observer Members of the Working Group
Kazumasa OZAWA Osamu KONNO Masaaki TADA Kyuichi MARUYAMA		Hiroyuki OHGA Ryoichi SATO Kouto TSUSHMA		Hiroshi OHNUMA Shigeyuki SOGO Tsutomu FUKUTE
Members from Sponsoring Organization
Hideaki GOMI Teruhiko WATANUKI		Masao SATO		Rokuro TOMITA
SYNOPSIS The Committee on Concrete of the Japan Society of Civil Engineers published "Recommended Practice for Expansive Concrete (Draft)" as Publication No.45 of the Society’s Concrete Library in 1979.With these Providing momentum, expansive concrete have come to be widely used for civil structures. In recent year, much progress has been made in applying technologies of expansive concrete, and new higher levels of performance have been required. It was under such circumstances that in 1989 the Committee on Concrete of the Japan Society of Civil Engineers was requested by the Association of Expansive Admixture to revised the Recommended Practice for Expansive Concrete (Draft). The Committee on Concrete, on accepting the request, established a Subcommittee for High Quality Concrete -Expansive Concrete Working Group in December 1989 and commenced investigations and studies in relation to this subject. The Subcommittee carried out various tests and studies to ascertain the practical natures of these expansive concrete, and using the results, revised “Recommended Practice for Expansive Concrete s'' and the Committee on Concrete , upon carrying out deliberations, approved the Recommended Practice.