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Author(s): Byung-Suk Kim and Kihyon Kwon
Paper category: Proceedings
Book title: Proceedings of the 2nd International Conference on UHPC Materials and Structures (UHPC2018-China)
Editor(s): Caijun Shi and Baochun Chen
ISBN: 978-2-35158-219-0
e-ISBN: 978-2-35158-220-6
Publisher: RILEM Publications SARL
Publication year: 2018
Pages: 111
Total Pages: 1
Language : English

Abstract: Concrete is the most widely applied construction material but has drawbacks like its
weight, the relative dimensional increase of the concrete member, and the shortening of the
lifespan of the concrete structure due to the degradation and cracking of concrete. In addition,
steel, as the second-ranking construction material, is expensive and requires regular coating to
cope with corrosion. Accordingly, experts during the last 30 years threw efforts to exploit new
materials to overcome these problems. Among them, ultra-high performance concrete (UHPC)
has emerged as a strong candidate at the entrance in the 21st century. In Korea, since 2002
and during 17 years, KICT led a R&D on the material and relevant structural application
technologies of a domestic UHPC called SUPER Concrete. More than 600 tests at the
specimen level and more than 600 tests at the member level were conducted and resulted in
the specifications related to the composition, fabrication, quality control and construction of
SUPER Concrete as well as design guidelines for structural members made of SUPER
Concrete. These provided the bases for the erection of UHPC bridges in USA and Myanmar,
and the construction of a dozen of UHPC bridges and buildings in Korea. Particularly, the
world first pedestrian and road cable stayed bridges were built. Moreover, a hotel with a
UHPC shell structure was erected for the very first time in the world and enabled to acquire
the construction track record. Considering that the keywords of future structures will be
aesthetics, accelerated construction, longevity, reduced maintenance, and low carbon, UHPC
represents undoubtedly one promising material satisfying them. Acquiring more diversified
UHPC construction experiences as well as improving the economic efficiency will help to
meet these requirements. These goals necessitate codes related to the material, analysis,
design, fabrication, erection and quality control of UHPC structures to promote their future

Online publication : 2018
Publication type : full_text
Public price (Euros) : 0.00

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