Green concrete: Prospects and challenges

Ultra-high-performance concrete (UHPC) is a type of cement-based composite for new construction and/or restoration of existing structures to extend service life. UHPC features superior workability, mechanical properties, and durability compared with conventional concrete. However, some challenges limit the wider application of UHPC, such as low workability for large-volume production, high autogenous shrinkage, insufficient flexural/tensile properties, and unpredictable durability after concrete cracking. Therefore, this paper reviews the state-of-the-art technologies for developing UHPC mixtures with improved properties. This review covers the following aspects: (1) the existing design methodologies; (2) the typical ingredients (e.g., binders, aggregates, chemical admixtures, and fibers) for preparation of UHPC and the underlying working principals; (3) the technologies for improving and controlling key properties (e.g., workability, autogenous shrinkage, compressive performance, tensile/flexural properties, and durability); and (4) the representative successful applications. This review is expected to advance the fundamental knowledge of UHPC and promote further research and applications of UHPC.

New development of ultra-high-performance concrete (UHPC)

The use of rice husk ash as reactive filler in ultra-high performance concrete

Recycling of raw rice husk to manufacture magnesium oxysulfate cement based lightweight building materials

Eco-friendly high strength, high ductility engineered cementitious composites (ECC) with substitution of fly ash by rice husk ash

Influence of rice husk ash on strength and permeability of ultra-high performance concrete

This paper investigates the effects of weak acids (citric acid, boric acid, and trisodium citrate) with dosages of 0.5, 1.5, and 2.5% of MgO weight on compressive strength, water resistance...

Huan Ye

Papers

Influence of rice husk ash on strength and permeability of ultra-high performance concrete

Modification of Magnesium Oxysulfate Cement by Incorporating Weak Acids

Relationship among particle characteristic, water film thickness and flowability of fresh paste containing different mineral admixtures

Influence of time-dependent rheological properties on distinct-layer casting of self-compacting concrete