Calcium silicate hydrate (CSH) is a crucial component in cementitious materials which
greatly contributes to the strength and properties of cement-based concrete. However …

The bonding behavior between ultra-high performance concrete (UHPC) and normal
concrete (NC) is crucial for enhancing the durability and performance of reparation and …

With the increasing requirements for emergency repair projects, there is a pressing need for
high-quality repair materials. In this work, a series of rapid hardening ultra-high performance …

The movement of water molecules at the atomic scale within the calcium silicate hydrate (C–
S–H) gel pores serves a dual role: it creates an environment for harmful chemical reactions …

In the harsh environment of extreme salt-freezing conditions, concrete structures face
secondary durability issues after undergoing repairs, making it a critical yet challenging …

Concrete in complex environments is prone to cracking due to its own brittle and porous
characteristics. When environmental sulfate ions intrude into concrete, the formation of …

The durability of concrete is determined by the ion transport within porous calcium silicate
hydrate (C–S–H) gels. This study utilized molecular dynamics simulation to examine the …

Excavated rock from underground tunneling activities constitutes a significant portion of the
overall construction and demolition (C&D) waste, yet its efficient reuse is challenging. Here …

Colloidal calcium silicate hydrate (CSH) gel significantly contributes to cement paste's
strength and durability. In this study, the coarse-grained (CG) models for packed CSH …

The failure of the interfacial transition zone has been identified as the primary cause of
damage and deterioration in cement-based materials. To further understand the interfacial …