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 …

Abstracts Recently, Ultra-High-Performance Fiber-Reinforced Concrete (UHPFRC) has
offered notable advantages over other types of concrete. Therefore, a comprehensive …

This paper presents a novel rheological thixotropy model that specifically appertains to the
characterisation of materials that are suitable for 3D printing of concrete (3DPC). The model …

Nanoclay, a thermal treated, purified attapulgite clay, has been used to increase thixotropy.
However, the effect of nanoclay in presence of water reducing agent, such as PCE, on …

Polycarboxylate ether surperplasticizer (PCE) has been commonly used and studied to
enhance flowability of cementitious materials. However, the effect of PCE addition on …

In the 3D concrete printing (3DCP) process, the fresh-state cementitious material is extruded
layer by layer without any formwork support; hence, high buildability is required to resist …

Recently, 3D printing technology has become more popular in the field of construction. For
the extrusion-based 3D concrete printing (3DCP) process, the cementitious material needs …

At sufficiently low applied shear deformation or shear stress, fresh cement paste exhibits
viscoelastic solid-like behavior. This solid-like state is particularly important for some …

Abstract 3D concrete printing technology greatly facilitates automation in construction which
enhances efficiency, productivity and sustainability. This study develops a slag-based …

A progressive advance in the construction sector is attained by employing ultra-high
performance concrete (UHPC) technology. Rigorous efforts have been made in this …