ENGLISH ABSTRACT: Concrete water retaining structures (WRS) in South Africa are under scrutiny due to the numerous durability problems that they have experienced lately; despite the efforts by local and national authorities ...

ENGLISH ABSTRACT: During the plastic state of concrete, two forms of volume change exist, namely: plastic settlement which refers to the gravitational settlement of solid particles, which in turn displaces bleed water to ...

ENGLISH ABSTRACT: The use of high performance concrete (HPC) is relatively new in South Africa and guidelines on its production and use is lacking in the local construction industry. Conventional mix design methods are not ...

ENGLISH ABSTRACT: Advancement in new technologies and methods of producing foaming agents have resulted in enhanced possibility of a structurally performing lightweight concrete. Lightweight foamed concrete (LWFC) is a ...

ENGLISH ABSTRACT: Plastic shrinkage cracking (PSC) is a well-known form of cracking in concrete at early ages and causes major concerns with regard to durability and aesthetical appearance of concrete structures. PSC is ...

ENGLISH ABSTRACT: The construction of pavement base/subbase layers necessitates quality materials such as natural aggregates. The use of locally available materials offers numerous advantages, including the reduction in ...

ENGLISH ABSTRACT: Cement stabilisation of subbases is an effective method to increase the strength, permeability, stability and performance of a pavement structure. Stabilisation is used to improve marginal quality materials, ...

ENGLISH ABSTRACT: Lightweight Foamed Concrete (LWFC) is a variation of low density cellular concrete produced by entraining a system of regular and stable air voids into a mortar base mix. The air void structure in LWFC is ...