Publications de Xuerun Li | EPFL Graph Search

Quantification of nano-crystalline C-S-H in hydrated tricalcium silicate, Portland cement and fly ash cement using PONKCS method

X-ray powder diffraction (XRD) was used to characterize and quantify nano-crystalline C-S-H in hydrated tricalcium silicate (C3S), Portland cement, and siliceous fly ash blended cement using Rietveld analysis with partial or no known crystal structure (PON ...

PERGAMON-ELSEVIER SCIENCE LTD2025

Report of RILEM TC 267-TRM phase 3: validation of the R-3 reactivity test across a wide range of materials

Mohsen Ben Haha, Karen Scrivener, François Henri Avet, Pawel Tadeusz Durdzinski, Ruben Anton Snellings, Xuerun Li, Diana Londoño Zuluaga, Alastair Thomas Matthew Marsh

RILEM TC 267 TRM- "Tests for Reactivity of Supplementary Cementitious Materials" recommends the Rapid Reliable Relevant (R-3) test as a method for determining the chemical reactivity of supplementary cementitious materials (SCMs) in Portland cement blends. ...

SPRINGER2022

Impact of ZnO on C3S hydration and C-S-H morphology at early ages

Karen Scrivener, Xuerun Li

The hydration of ZnO doped C3S was investigated. Characteristics of the hydrated pastes including mechanical strength, degree of hydration, microstructure, pore structure, bound water and the chemical composition of C-S H are reported. 0.26 and 0.90 wt% of ...

Pergamon-Elsevier Science Ltd2022

Report of RILEM TC 267-TRM: Improvement and robustness study of lime mortar strength test for assessing reactivity of SCMs

Mohsen Ben Haha, Mathieu Antoni, Karen Scrivener, Shashank Bishnoi, Pawel Tadeusz Durdzinski, Ruben Anton Snellings, Xuerun Li, Anuj Parashar, Yuvaraj Dhandapani

RILEM TC 267-TRM is studying tests for the reactivity supplementary cementitious materials (SCMs). In the first phase, the lime reactivity (LR) test, which is standardised in Indian standard (IS)-1727, gave promising correlations with 90-days cement mortar ...

SPRINGER2022

Report of RILEM TC 267-TRM phase 2: optimization and testing of the robustness of the R3 reactivity tests for supplementary cementitious materials

Mohsen Ben Haha, Karen Scrivener, Shashank Bishnoi, François Henri Avet, Pawel Tadeusz Durdzinski, Ruben Anton Snellings, Xuerun Li, Anuj Parashar, Diana Londoño Zuluaga, Alastair Thomas Matthew Marsh

The results of phase 1 of an interlaboratory test, coordinated by the RILEM TC 267-TRM "Tests for Reactivity of Supplementary Cementitious Materials" showed that the R-3 (rapid, relevant, reliable) test method, by measurement of heat release or bound water ...

SPRINGER2022

Strength-promoting mechanism of alkanolamines on limestone-calcined clay cement and the role of sulfate

Karen Scrivener, François Henri Avet, Wilasinee Hanpongpun, Xuerun Li, Hong Huang

This paper reports the strength-promoting mechanism of alkanolamines on limestone-calcined clay cement (LC3). The hydration kinetics, phase formation and microstructure of LC3 with triethanolamine (TEA) or triisopropanolamine (TIPA) were investigated. TEA ...

Pergamon-Elsevier Science Ltd2021

Alite-ye'elimite clinker: Hydration kinetics, products and microstructure

Karen Scrivener, Ruben Anton Snellings, Xuerun Li

This paper presents the hydration kinetics, products and microstructure of an alite-ye'elimite clinker containing 4 wt% of ye'elimite to boost the early strength development. Isothermal calorimetry, X-ray diffraction, backscattered scanning electron micros ...

ELSEVIER SCI LTD2021

Rapid, Robust, and Relevant (R3) Reactivity Test for Supplementary Cementitious Materials

Karen Scrivener, François Henri Avet, Ruben Anton Snellings, Xuerun Li

Although supplementary cementitious materials (SCMs) are now commonly accepted and widely used, consensus has not been reached for methods to test their chemical reactivity. A multitude of test methods exist but often fall short on one or more of the key f ...

AMER CONCRETE INST2019

Quantification of amorphous siliceous fly ash in hydrated blended cement pastes by X-ray powder diffraction

Karen Scrivener, Ruben Anton Snellings, Xuerun Li

X-ray powder diffraction (XRPD)-based quantitative phase analysis is a common technique for studying the hydration of cementitious systems. Hydrated cements often comprise several amorphous or nanocrystalline phases. This paper presents a protocol for the ...

INT UNION CRYSTALLOGRAPHY2019

Determination of the amount of reacted metakaolin in calcined clay blends

Karen Scrivener, François Henri Avet, Xuerun Li

Pergamon-Elsevier Science Ltd2018

Effect of welan gum on the hydration and hardening of Portland cement

Ye Zhang, Xuerun Li, Hui Wang

2018

Laboratory synthesis of C3S on the kilogram scale

Karen Scrivener, Alexandre Reda Constantin William Caleb Ouzia, Xuerun Li

Pergamon-Elsevier Science Ltd2018

Sulfate adjustment for cement with triisopropanolamine: Mechanism of early strength enhancement

Qian Wang, Xuerun Li, Hong Huang, Hang Zhou

2018

Reactivity tests for supplementary cementitious materials: RILEM TC 267-TRM phase 1

Mohsen Ben Haha, Mathieu Antoni, Karen Scrivener, Shashank Bishnoi, Ruben Anton Snellings, Xuerun Li, Anuj Parashar, Yuvaraj Dhandapani

A primary aim of RILEM TC 267-TRM: Tests for Reactivity of Supplementary Cementitious Materials (SCMs) is to compare and evaluate the performance of conventional and novel SCM reactivity test methods across a wide range of SCMs. To this purpose, a round ro ...

SPRINGER2018

Kinetics of calcium sulfoaluminate with 1% iron oxide by isothermal and isoconversional methods

Xuerun Li, Yu Zhang

The influence of iron oxide (Fe2O3) on the formation and decomposition kinetics of calcium sulfoaluminate (C(4)A(3)$) formed from tricalcium aluminate and calcium sulfate was investigated by both isothermal and isoconversional methods. Rietveld quantitativ ...

Ice Publishing2017

Preparation and accelerated carbonation of low temperature sintered clinker with low Ca/Si ratio

Xuerun Li

A novel clinker with low Ca/Si ratio and low sintering temperature was synthesized, and the property of the clinker was tested. A clinker sintered from industrial raw materials mainly contains rankinite (Ca3Si2O7), pseudowollastonite (Ca-3(Si3O9)) and ferr ...

Elsevier Sci Ltd2016

Kinetic model for calcium sulfate alpha-hemihydrate produced hydrothermally from gypsum formed by flue gas desulfurization

Xuerun Li

Modeling of the kinetics of the synthesis process for calcium sulfate alpha-hemihydrate from gypsum formed by flue gas desulfurization (FGD) is important to produce high-performance products with minimal costs and production cycles under hydrothermal condi ...

Wiley-Blackwell2015