Materials Science

掺合料

Supplementary Cementitious Material

A material added to cement or concrete to improve properties, such as basaltic laterite (BL) calcined at 700°C (BL_C) used as a partial replacement for Portland cement. / 一种添加到水泥或混凝土中以改善性能的材料，例如在700°C煅烧的玄武岩红土（BL_C）用作波特兰水泥的部分替代品。

Knowledge type: 工艺技术
First proposed or discovered
Proposer: Turkey Farm member
Creator: 农场主
Last updated: 2026-11-01 23:05:17

Sub-knowledge points

Dehydroxylation of secondary mineral phasesInhibition of C─S─H formation at high replacement levelsMicrofiller effects at higher replacement levelsExponential empirical correlation for predicting f c based on UPV

Higher-order knowledge points

Portland-Limestone Cement–Based MortarsSustainable construction materialsWaste valorization

Main parameters and performance indicators

BL_C content: 10%–50% by massCalcination temperature: 700°CReplacement level: 10%–21% (optimal for strength)Particle size distribution: Slightly coarser

Open problems

Optimization of thermal and mechanochemical activation methods for BL pretreatmentMitigation of strength reduction at higher replacement levels (e.g., 30%)Prediction of compressive strength based on UPV measurements

Related literature

ranked by community stars

Repurposing Basaltic Laterite Waste as a Potential Supplementary Cementitious Material or Fine Aggregate in Portland-Limestone Cement–Based MortarsOpen source

掺合料

Sub-knowledge points

Higher-order knowledge points

Main parameters and performance indicators

Open problems

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