Durability and Bond of Reinforced Lightweight Foamed Concrete

被引：1
|
作者：
Van Zijl, Gideon P. A. G. [1 ]
Van Rooyen, Algurnon S. [1 ]
Mubatapasango, Marlin S. [1 ]
Dunn, Trevor P. A. [1 ]
Grafe, Jasmin [1 ]
机构：
[1] Stellenbosch Univ, Div Struct Engn, Private Bag X1, ZA-7602 Matieland, South Africa
来源：
HIGH TECH CONCRETE: WHERE TECHNOLOGY AND ENGINEERING MEET | 2018年
关键词：
Corrosion; Carbonation; Fracture energy; Lightweight foam concrete;
D O I：
10.1007/978-3-319-59471-2_250
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Lightweight foamed concrete (LWFC) holds potential as construction material. It has superior thermal performance to normal weight concrete. Mechanical properties suitable for structural application have been achieved for LWFC in the density range 1200 to 1600 kg/m(3). A research program has been launched at Stellenbosch University to develop LWFC for precast medium-rise residential buildings in the region. Relatively low bond with reinforcing steel in LWFC, and durability concerns due to the porous microstructure are addressed in this paper. Materials development to increase fracture energy is reported, whereby it is postulated that bond stress will increase. Carbonation and chloride-induced corrosion results are reported.
引用
收藏
页码：2185 / 2193
页数：9
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