Effect of the Expansion Agent on Early-Age Autogenous Shrinkage Stress of Concrete
2013 ◽
Vol 838-841
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pp. 564-568
Keyword(s):
Early-age autogenous shrinkage is key problem of high performance concrete. It can cause a lot of early-age cracks in concrete structure and further endanger the permeability and durability. Adding expansion agent can control the early-age autogenous shrinkage strain and reduce the risk of early-age cracks. In this paper, the early-age autogenous shrinkage stress of concrete cube is calculated. The results show that, early-age autogenous shrinkage stress is larger than early-age tensile strength of concrete. So some cracks occur on the surface of concrete structure. By adding expansion agent, the early-age autogenous shrinkage strain and stress both decreases.
2010 ◽
Vol 452-453
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pp. 725-728
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2007 ◽
Vol 280-283
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pp. 1765-1770
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2009 ◽
Vol 419-420
◽
pp. 1-4
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2016 ◽
Vol 68
(16)
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pp. 809-822
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Keyword(s):
Keyword(s):
2010 ◽
Vol 44
(5)
◽
pp. 879-899
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2006 ◽
Vol 18
(2E)
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pp. 73-77
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2011 ◽
Vol 462-463
◽
pp. 867-871
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