Optimum mix design of geopolymer pastes and concretes cured in ambient condition based on compressive strength, setting time and workability
نویسندگان
چکیده
منابع مشابه
Effects of Nano-SiO2 on Setting Time and Compressive Strength of Alkali- activated Metakaolin-based Geopolymer
This study presents a discussion on the effects of different solid-to-liquid (S/L) ratios (0.97 to 1.19) and nanoSiO2 (NS) percentages (0% to 3%) on some properties of metakaolin (MK)-based geopolymers. The setting time and compressive strength were investigated. Mercury intrusion porosimetry, fourier transform infrared spectroscopy, and scanning electron microscopy were used to determine the m...
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Due to growing environmental concerns of the cement industry, alternative cement technologies have become an area of increasing interest. It is now believed that new binders are indispensable for enhanced environmental and durability performance. Self-compacting Geopolymer concrete is an innovative method and improved way of concreting operation that does not require vibration for placing it an...
متن کاملEffect of Superplasticizer and NaOH Molarity on Workability, Compressive Strength and Microstructure Properties of Self-Compacting Geopolymer Concrete
The research investigates the effects of super plasticizer and molarity of sodium hydroxide alkaline solution on the workability, microstructure and compressive strength of self compacting geopolymer concrete (SCGC). SCGC is an improved way of concreting execution that does not require compaction and is made by complete elimination of ordinary Portland cement content. The parameters studied wer...
متن کاملmix design, compressive strength and resistance to elevated temperature (500°c) of self-compacting concretes containing limestone and quartz fillers
self compacting concrete (scc) specimens with limestone (l) and quartz (q) powders were formulated. the influence of the type of the powder on the properties of fresh and hardened concrete was evaluated. dense packing theories were used for mix design of samples. the equation of fuller and thompson for particle size distribution (psd) of aggregates was modified with considering fine particles a...
متن کاملEffect Of Na2o/Al2o3, Sio2/Al2o3 And W/B Ratio On Setting Time And Workability Of Flyash Based Geopolymer
The objectives of the present research is to appreciate the effect of synthesizing parameters on setting time and workability of Fly ash based geopolymer paste . Locally available low calcium fly ash from a thermal power plant located near Kolkata, India, was used . Fly ash used are lignite coal based and falls under class F category. The broad areas of present research include: Manufacturing o...
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ژورنال
عنوان ژورنال: Journal of Building Engineering
سال: 2019
ISSN: 2352-7102
DOI: 10.1016/j.jobe.2019.02.006