ISSN:
1013-9826
Source:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
It is well known that PC (polycarboxylate) agent is superior to other agents for theearly-strength of concrete. Thus, this study investigates the development of mortar strength usingvarious agents. To prove this, various factors were tested. Furthermore, this study measuredcompressive strength at the age of 18, 24, 36, 72, and 168 hours and gave a request text TG/DTA toobserve minute structures. In addition, this study took pictures of minute structures using an SEMfor each agent at the same age. According to the results, mortar using an early-strength PC agents isfaster than a general water reducing AE agent, high performance PC agents, and other agents in theacceleration of hydration at the same early age. A TG/DTA test shows that the early-strength PCagents create more hydration products, such as Ca(OH)2, than others at the same age. The degree ofpH in each agent is unrelated to the degree of hydration in mortar. An MIP analysis confirms theseresults. However, other methods are required the exact analysis of micro structures
Type of Medium:
Electronic Resource
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/01/55/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.348-349.473.pdf
Permalink