Abstract
This article describes possibility using hydrated cement as additions for batching new concrete. Time of cement hydration was 2, 4 and 6 hours. Quantity of pre-hydrated cement for batching admixture was equal 5, 10, 15, 30% dry matter content in relation to cement for control mixture. Influence of addition on normal consistency, concrete unit weight and compression resistance was determined. Cement particles distributions of control and pre-hydrated specimens was studied. The article shown need for increasing water quantity to getting normal consistency which led to decreasing unit weight. As a result of adding hydrated cement particles an early strength increased with amount of admixture less than 10%. Received results were discussed according to cement hydrations mechanism.
Highlights
One of the main directions of modern building material industry is developing ecology-friendly materials [1]
Result of normal consistency and Mixture unit weight study of cement paste showed on Fig. 1
According to study results, using of pre-hydrated admixture (PHA) leads to increasing water demand for obtaining normal consistency cement paste
Summary
One of the main directions of modern building material industry is developing ecology-friendly materials [1]. It can be achieved by using special material which is not hazardous on every stage of life circle (obtaining, exploitation and utilization). Another way is integration technologies of recycling in industrial plant [2]. Recycling technologies suppose using industrial waste to obtaining a new building material. Hereby building material industry would be more compare to sustainable development concept [3]
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: IOP Conference Series: Materials Science and Engineering
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
