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A strength model for concrete made with marine dredged sediment
Journal of Cleaner Production ( IF 9.7 ) Pub Date : 2020-07-06 , DOI: 10.1016/j.jclepro.2020.122673
S.H. Chu , J.J. Yao

In this paper, the properties of concrete made with marine dredged sediment (MDS) were investigated both qualitatively and quantitatively with an emphasis on the strength. Annually, a huge amount of marine sediment is dredged and disposed of largely as waste, causing serious environmental problems. To minimize such disposal, the use of MDS for in-situ concrete production is a promising solution. However, the properties of marine sediment concrete (MSC) so produced is still not easy to predict up to now. To make full use of MDS and better understand MSC for more viable mix design, this study reviewed the properties of MDS and MSC and discussed a broad range of influencing factors from which key factors were identified using the data of 112 mixes in the literature. Moreover, the key factors were quantitatively correlated to strength and such correlation yielded a prediction equation with fairly high accuracy. This study on the use of MDS with the least pre-treatment shall advance the design of in-situ MSC to meet specific engineering requirements and enhance the sustainability.



中文翻译:

海洋疏sediment沉积物制成的混凝土强度模型

本文对定性和定量研究了海洋疏sediment沉积物(MDS)制成的混凝土的性能,重点是强度。每年,大量的海洋沉积物被挖出并作为废物进行处理,从而造成严重的环境问题。为了最大程度地减少此类处置,将MDS用于现场混凝土生产是一种很有前途的解决方案。然而,到目前为止,如此生产的海相沉积混凝土(MSC)的性能仍不容易预测。为了充分利用MDS并更好地理解MSC来设计更可行的混合物,本研究回顾了MDS和MSC的特性,并讨论了广泛的影响因素,并使用文献中112种混合物的数据从中确定了关键因素。此外,关键因素与强度在数量上相关,并且这种相关得出了一个相当准确的预测方程。这项有关对MDS进行最少预处理的使用的研究应促进原位MSC的设计,以满足特定的工程要求并增强可持续性。

更新日期:2020-07-06
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