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Khoa N. Le

Bio: Khoa N. Le is an academic researcher from University of Sydney. The author has contributed to research in topics: Fading & Rayleigh fading. The author has an hindex of 22, co-authored 192 publications receiving 2048 citations. Previous affiliations of Khoa N. Le include Monash University, Clayton campus & Griffith University.


Papers
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Journal ArticleDOI
TL;DR: In this article, three pre-soaking treatment approaches, namely, ReMortarHCl, Re MortarH2SO4, and ReMORTARH3PO4, were used to reduce the mortar attached to the aggregate.
Abstract: With a rising tide of adoption of recycled aggregate (RA) for construction, investigation on ways to improve the quality of RA has been overwhelming. The adoption of RA brings benefits including savings in the limited landfill spaces and the use of natural resources. However, the poorer quality of RA often limits its utilization to low grade applications such as sub-grade activities, filling materials and low grade concrete. The major reason that affects the quality of RA is the large amount of cement mortar remains on the surface of the aggregate, resulting in higher porosity, water absorption rates and thus a weaker interfacial zone between new cement mortar and aggregates, which weakens the strength and mechanical performance of concrete made from RA. This paper attempts to study three pre-soaking treatment approaches; namely ReMortarHCl, ReMortarH2SO4 and ReMortarH3PO4 in reducing the mortar attached to RA. The results show that the behaviour of RA has improved with reduction in water absorption, without simultaneous exceeding the limits of chloride and sulphate compositions after the treatment. This work has also compared the compressive strength, flexural strength and modulus of elasticity of concrete made from the approaches, which shows marked improvements in quality when compared with those using traditional approaches.

458 citations

Journal ArticleDOI
TL;DR: In this article, the authors established seven key credit criteria for these rating tools which are namely (1) Site, (2) Energy, (3) Water, (4) Indoor Environment Quality (IEQ), (5) Material, (6) Waste and pollution, and (7) Management.

168 citations

Journal ArticleDOI
TL;DR: In this paper, the authors provide an insight into the available CO2 technologies for concrete improvement, including carbon-conditioning and carbon-curing, for improving the overall quality of recycled aggregate concrete as well as permanently chemically converting CO2 into stone.

135 citations

Journal ArticleDOI
TL;DR: In this article, the use of carbon-conditioned recycled aggregate (RACO2) in concrete production was investigated and three results on compressive, tensile and flexible strength and modulus of elasticity at 28 curing days were compared.

132 citations

Journal ArticleDOI
TL;DR: Eight challenges in the development of C&D waste management, specially recycling, in China are identified and recommendations to address these challenges are presented.

91 citations


Cited by
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Posted Content
TL;DR: Deming's theory of management based on the 14 Points for Management is described in Out of the Crisis, originally published in 1982 as mentioned in this paper, where he explains the principles of management transformation and how to apply them.
Abstract: According to W. Edwards Deming, American companies require nothing less than a transformation of management style and of governmental relations with industry. In Out of the Crisis, originally published in 1982, Deming offers a theory of management based on his famous 14 Points for Management. Management's failure to plan for the future, he claims, brings about loss of market, which brings about loss of jobs. Management must be judged not only by the quarterly dividend, but by innovative plans to stay in business, protect investment, ensure future dividends, and provide more jobs through improved product and service. In simple, direct language, he explains the principles of management transformation and how to apply them.

9,241 citations

01 Jan 2016
TL;DR: The table of integrals series and products is universally compatible with any devices to read and is available in the book collection an online access to it is set as public so you can get it instantly.
Abstract: Thank you very much for downloading table of integrals series and products. Maybe you have knowledge that, people have look hundreds times for their chosen books like this table of integrals series and products, but end up in harmful downloads. Rather than reading a good book with a cup of coffee in the afternoon, instead they cope with some harmful virus inside their laptop. table of integrals series and products is available in our book collection an online access to it is set as public so you can get it instantly. Our book servers saves in multiple locations, allowing you to get the most less latency time to download any of our books like this one. Merely said, the table of integrals series and products is universally compatible with any devices to read.

4,085 citations

Journal Article
TL;DR: This sales letter may not influence you to be smarter, but the book that this research methods in social relations will evoke you to being smarter.
Abstract: This sales letter may not influence you to be smarter, but the book that we offer will evoke you to be smarter. Yeah, at least you'll know more than others who don't. This is what called as the quality life improvisation. Why should this research methods in social relations? It's because this is your favourite theme to read. If you like this theme about, why don't you read the book to enrich your discussion?

2,382 citations

Book ChapterDOI
01 Jan 1998

1,532 citations