- Title
- Study of surface modification of recycled aggregate and mechanical properties of the resulting concrete
- Creator
- Yang, Shuqing; Peng, Ting; Tang, Waiching; Cui, Hongzhi
- Relation
- Advanced Materials Research Vol. 712-715, p. 961-965
- Publisher Link
- http://dx.doi.org/10.4028/www.scientific.net/AMR.712-715.961
- Publisher
- Scientific.Net
- Resource Type
- journal article
- Date
- 2013
- Description
- In this paper, a method of aggregate surface modification using cement paste with RLP (Redispersable Latex Powder) was proposed aiming to improve properties of recycled aggregates and the resulting concrete. In this study, the cement pastes with different dosages of RLP on RA surface modification were used and the effects on the mechanical properties of the resulting concretes were studied. The experiments were carried in accordance with specifications and test methods in Building pebble and gravel (GB/T 14685-2001) and Ordinary concrete mechanics performance test method standard (GB/T 50081-2002). The test results showed that the properties of recycled aggregates were not as good as those of natural aggregates, thus resulting in poorer mechanical properties of the recycled aggregate concrete. By means of aggregate surface modification, the values of water absorption of the recycled aggregate were reduced and consequently the mechanical properties (i.e. compressive strength and elastic modulus) of the resulting recycled concrete were increased. This research provides some useful practical insights to improving mechanical properties of recycled aggregate concrete.
- Subject
- mechanical property; recycled aggregate (RA); redispersable latex powder; surface modification
- Identifier
- http://hdl.handle.net/1959.13/1298567
- Identifier
- uon:19693
- Identifier
- ISSN:1022-6680
- Language
- eng
- Reviewed
- Hits: 2215
- Visitors: 2121
- Downloads: 0