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- W2367549087 abstract "Two kinds of lightweight aggregate concrete( LWAC) were prepared by spherical aggregate and crushed aggregate respectively,then industrial computed tomography scanner system( ICT) was adopted to study the meso-crack propagation law of them under the conditions of loaded and non-loaded. The results showed that during the continuous loading compression process,the crack growth rate of LWAC under loading condition was characterized well by μ value which means the increment of crack area via self-constructed unit load. The μ value of LWAC made with spherical aggregate( LWAC-SA) and LWAC made with crushed aggregate( LWAC-CA) were 6. 9 mm2/ MPa and 8. 5 mm2/ MPa respectively,that is to say,crack in the LWAC-CA expanded faster than that in the LWAC-SA. Under the condition of nonload sulfate attack,the crack growth rate of LWAC was closely related with the state of interfacial transition zone. Moreover,aggregate is rough,porous and angular in the LWAC-CA. The interface transition zone in the LWAC-CA was denser than that of the LWAC-SA,so LWAC-CA has stronger sulfate resistance and crack resistance,and its crack numbers and depths decrease in a certain extent." @default.
- W2367549087 created "2016-06-24" @default.
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- W2367549087 date "2014-01-01" @default.
- W2367549087 modified "2023-09-28" @default.
- W2367549087 title "Study on the Meso-crack Propagation Law of the Lightweight Aggregate Concrete Based on Industrial CT" @default.
- W2367549087 hasPublicationYear "2014" @default.
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