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Comparative study of carbonized peach shell and carbonized apricot shell to improve the performance of lightweight concrete
Fan Wu1,2; Changwu Liu3,4; Lianwei Zhang3,4; Yonghu Lu3,4; Yuanjun Ma3,4
2018
Source PublicationCONSTRUCTION AND BUILDING MATERIALS
ISSN0950-0618
EISSN1879-0526
Volume188Pages:758-771
SubtypeArticle
Contribution Rank2
AbstractTo improve the performance of peach shell concrete (PSC) and apricot shell concrete (ASC), the effect of carbonized peach shell (CPS) and carbonized apricot shell (CAS) instead of peach shell (PS) and apricot shell (AS), respectively, on physical, mechanical and triaxial creep properties of lightweight aggregate concrete (LWAC) was investigated. Results showed that the replacement of raw aggregates (PS and AS) with carbonized aggregates (CPS and CAS) reduced the density, water absorption and open porosity, and increased the efficiency factor, total porosity of LWAC. Moreover, the mechanical properties were significantly enhanced, and the CAS mixture obtained the highest compressive strength, splitting tensile strength, flexural strength and modulus of elasticity, which were 38.8 MPa, 3.54 MPa, 5.49 MPa, and 15.1 GPa, respectively, an increase of 44.2%, 55.3%, 54.6%, and 42.5%, respectively, compared to the AS mixture. Triaxial creep results showed that under coupled water pressure and axial pressure condition, the use of carbonized aggregates instead of raw aggregates significantly decreased creep strain of LWAC and the concentrations of K+, Ca2+, Mg2+ and Sr2+ in the leaching solution. Therefore, use of CPS and CAS as lightweight aggregate in concrete can significantly improve the performance of LWAC. (C) 2018 Elsevier Ltd. All rights reserved.
KeywordPeach shell Apricot shell Carbonized aggregate Lightweight aggregate concrete Creep
DOI10.1016/j.conbuildmat.2018.08.094
Indexed BySCI
Language英语
WOS IDWOS:000447579600067
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/24216
Collection中国科学院水利部成都山地灾害与环境研究所
Corresponding AuthorFan Wu; Changwu Liu
Affiliation1.Institute of Disaster Management and Reconstruction, Sichuan University-The Hong Kong Polytechnic University, No. 1 Huanghe Road, Chengdu 610065, China;
2.Key Laboratory of Geological Hazards Mitigation for Mountainous Highway and Waterway, Chongqing Municipal Education Commission, Chongqing Jiaotong University, No. 66 Xuefu Avenue, Nan’an District, Chongqing 400074, China;
3.College of Water Resource and Hydropower, Sichuan University, No. 24 South Section 1, Yihuan Road, Chengdu 610065, China;
4.State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, No. 24 South Section 1, Yihuan Road, Chengdu 610065, China
Recommended Citation
GB/T 7714
Fan Wu,Changwu Liu,Lianwei Zhang,et al. Comparative study of carbonized peach shell and carbonized apricot shell to improve the performance of lightweight concrete[J]. CONSTRUCTION AND BUILDING MATERIALS,2018,188:758-771.
APA Fan Wu,Changwu Liu,Lianwei Zhang,Yonghu Lu,&Yuanjun Ma.(2018).Comparative study of carbonized peach shell and carbonized apricot shell to improve the performance of lightweight concrete.CONSTRUCTION AND BUILDING MATERIALS,188,758-771.
MLA Fan Wu,et al."Comparative study of carbonized peach shell and carbonized apricot shell to improve the performance of lightweight concrete".CONSTRUCTION AND BUILDING MATERIALS 188(2018):758-771.
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