Recent advances in CSH nucleation seeding for improving cement performances

A Cuesta, A Morales-Cantero, AG De la Torre… - Materials, 2023 - mdpi.com
Reducing cement CO2 footprint is a societal need. This is being achieved mainly by
replacing an increasing amount of Portland clinker by supplementary cementitious …

Effects of different nanomaterials on the early performance of ultra-high performance concrete (UHPC): C–S–H seeds and nano-silica

Z Luo, T Zhi, X Liu, K Yin, H Pan, H Feng… - Cement and Concrete …, 2023 - Elsevier
The early hydration of UHPC can be retarded by the low water/binder ratio, the high
polycarboxylate superplasticizers dosage, and the large supplementary cementitious …

Physico-mechanical and microstructural properties of sodium sulfate activated materials: A review

A Adesina, CR Kaze - Construction and Building Materials, 2021 - Elsevier
Alkali-activated composites are promising sustainable alternatives that can be utilized as a
replacement for Portland cement materials. Alkali-activated composites are made with a …

Comparison between the effects of phosphorous slag and fly ash on the CSH structure, long-term hydration heat and volume deformation of cement-based materials

L Wang, F Guo, Y Lin, H Yang, SW Tang - Construction and Building …, 2020 - Elsevier
Fly ash (FA) has been widely used in hydraulic projects. The utilization of phosphorous slag
(PS) to partially or completely replace FA in hydraulic concrete has gained much attention in …

Strengthening the very early-age structure of cementitious composites with coal fly ash via incorporating a novel nanoadmixture based on CSH phase activators

GL Golewski, B Szostak - Construction and Building Materials, 2021 - Elsevier
This paper presents results of tests of modified concretes both with the addition of coal fly
ash (CFA) ash and with an innovative nanoadmixture (NA). The NA is used to accelerate the …

Strength and microstructure of composites with cement matrixes modified by fly ash and active seeds of CSH phase

GL Golewski, B Szostak - Structural Engineering and Mechanics, An Int'l …, 2022 - dbpia.co.kr
Fly ash (FA) is the main additive to concretes currently produced. This substitute of ordinary
Portland cement (OPC) have a positive effect on the structure and mechanical parameters of …

Application of the CSH phase nucleating agents to improve the performance of sustainable concrete composites containing fly ash for use in the precast concrete …

GL Golewski, B Szostak - Materials, 2021 - mdpi.com
Siliceous fly ash (FA) is the main additive to currently produced concretes. The utilization of
this industrial waste carries an evident pro-ecological factor. In addition, such actions have a …

[HTML][HTML] CSH seeding activation of Portland and Belite Cements: An enlightening in situ synchrotron powder diffraction study

A Morales-Cantero, A Cuesta, G Angeles… - Cement and Concrete …, 2022 - Elsevier
CSH seeding in Portland cements is well known from basic scientific works and field
applications. Moreover, this activation approach could be beneficial for low-CO 2 cements …

Effect of CS-Hs-PCE and sodium sulfate on the hydration kinetics and mechanical properties of cement paste

H Li, Z Xue, G Liang, K Wu, B Dong, W Wang - Construction and Building …, 2021 - Elsevier
This study reports the effects of combined application of calcium silicate hydrate seed-
Polycarboxylate (CS-Hs-PCE) and sodium sulfate (SS) on the hydration kinetics and …

Effect of wet grinded lithium slag on compressive strength and hydration of sulphoaluminate cement system

H Tan, M Li, X He, Y Su, J Yang, H Zhao - Construction and Building …, 2021 - Elsevier
As a by-products of lithium carbonate industry, emission of lithium slag (LS) was increasingly
increased due to the huge market demand of lithium salt. Therefore, LS disposal faces great …