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Won-Jun Park, Taehyoung Kim, Seungjun Roh and Rakhyun Kim
This study assessed the influence of matter discharged during the production (dry/wet) of recycled aggregate on global warming potential (GWP) and acidification potential (AP), eutrophication potential (EP), ozone depletion potential (ODP), biotic resour...
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Shujuan Zhang, Tianyi Chen, Yuhai Bao, Qiang Tang, Yongtao Li and Xiubin He
The impoundment of the Three Gorges Reservoir (TGR) has greatly altered the hydrological regime and thus formed a distinctive riparian zone with anti-seasonal inundation and exposure, which may affect the soil aggregate properties in this riparian zone. ...
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Plínio Campos de Assis Neto, Leane Priscilla Bonfim Sales, Palloma Karolayne Santos Oliveira, Iranilza Costa da Silva, Ilana Maria da Silva Barros, Aline Figueiredo da Nóbrega and Arnaldo Manoel Pereira Carneiro
Global temperatures have led to an increasing need for air conditioning systems. So, because of this fact, buildings have been improved in terms of their thermal and energy efficiency. Regarding this, the Brazilian standard ABNT NBR 15.575-4/2013 set min...
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Faiz Habib Anwar, Hilal El-Hassan, Mohamed Hamouda, Gilbert Hinge and Kim Hung Mo
In recent years, pervious concrete (PC) has gained much attention as one of the strategies for low-impact development (LID) in pavements due to its structural, economic, and road-user benefits. This study sought to review and evaluate changes in the mech...
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Tereza Pavlu, Jirí Pazderka, Kristina Fortová, Jakub Repka, Diana Mariaková and Tomá? Vlach
The use of recycled aggregate concrete is mainly negatively affected by its poorer mechanical and long-term properties. However, there are few structural applications for which recycled aggregates can be used. In this case study, the possibility of use a...
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Chuheng Zhong, Peng Tian, Yuhua Long, Jinzhi Zhou, Kun Peng and Chengxin Yuan
To improve the properties of recycled aggregate concrete, single and composite impregnation treatments were carried out on recycled coarse aggregates with sodium silicate solution, silane slurry, and polyvinyl alcohol solution. The effects of the three c...
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Minghua Wei, Shaopeng Wu, Peide Cui, Tianyuan Yang and Yang Lv
Steel slag, the by-product of steelmaking, is a desirable alternative material for natural aggregate. However, there are few studies applying steel slag in the preventive maintenance of asphalt pavements, especially chip seal. The main objective of this ...
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Yuan-Ko Huang
The location-based aggregate queries, consisting of the shortest average distance query (SAvgDQ), the shortest minimal distance query (SMinDQ), the shortest maximal distance query (SMaxDQ), and the shortest sum distance query (SSumDQ) are new types of lo...
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Saud Alfayez, Mohamed A. E. M. Ali and Moncef L. Nehdi
This study explores highly eco-efficient preplaced aggregate concrete mixtures having superior tensile characteristics and impact resistance developed for pavement and infrastructure applications. A fully recycled granular skeleton consisting of recycled...
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Roberto Torrini
Pág. 267 - 174
Vengono analizzati gli elementi di contatto e di distinzione tra i punti di vista di Blanchard e Brancaccio, cercando di trarre considerazioni più generali sulle differenze tra approcci mainstream e alcuni approcci eterodossi. Si sostiene che negli appro...
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Frédéric Darboux, Jaqueline Dalla Rosa and Miguel Cooper
Under rainfall conditions, aggregates may suffer breakdown by different mechanisms. Slaking is a very efficient breakdown mechanism. However, its occurrence under rainfall conditions has not been demonstrated. Therefore, the aim of this study was to eval...
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Sampebulu?, V.
Pág. 92 - 99
The compressive and tensile strengths of concrete made in hot weather condition decreased due to loss of mixing water caused by high evaporation. One method to overcome the problem is the use of saturated fly ash aggregate. The water content in fly ash a...
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Mirjana Male?ev, Vlastimir Radonjanin and Sne?ana Marinkovic
A comparative analysis of the experimental results of the properties of fresh and hardened concrete with different replacement ratios of natural with recycled coarse aggregate is presented in the paper. Recycled aggregate was made by crushing the waste c...
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Carlos Aguilar, María Pía Muñoz, Oscar Loyola
Pág. Page 35 - 44
The present research analyzed the properties of concretes made with Portland Pozzolan cement and recycled aggregate obtained of demolished concretesto be propused as an alternative to a potential lack of aggregate natural in urban areas. An experimental ...
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Xueli Ju, Linjian Wu, Mingwei Liu, Han Jiang and Wenxiao Zhang
The corrosion of reinforcement induced by chloride ions is one of the most significant causes of durability deterioration for reinforced concrete (RC) buildings. The concrete material factors, including the water-to-cement ratio (w/c) of concrete, as wel...
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Lixia Zhu, Mengmeng Cao, Chengchen Sang, Tingxuan Li, Yanjun Zhang, Yunxia Chang and Lili Li
Trichoderma bio-fertilizer is widely used to improve soil fertility and carbon (C) sequestration, but the mechanism for increasing C accumulation remains unclear. In this study, effects of Trichoderma bio-fertilizer on the mineralization of aggregate-ass...
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Jacek Góra and Malgorzata Szafraniec
Depending on the dimensions of concrete elements, aggregates of different grain sizes are used for the building structures. Taking this fact into account, the authors of the paper have undertaken in their work an issue concerning the analysis of the infl...
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Zachary Patterson, Marko Kryvobokov, Fabrice Marchal, Michel Bierlaire
UrbanSim has significant data requirements. In particular, it requires disaggregate data (traditionally at the 150 meter by 150 meter gridcell level) for employment, households, and buildings. While such data are not always easily available, most regions...
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Jung-Ho Kim, Jong-Hyun Sung, Chan-Soo Jeon, Sae-Hyun Lee and Han-Soo Kim
In recent years, the amount of construction waste and recycled aggregate has been increasing every year in Korea. However, as the recycled aggregate is poor quality, it is not used for concrete, and the Korean government has strengthened the quality stan...
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Bowen Qi, Peilong Xu and Chengzhao Wu
With the gradual advancement of urbanization, urban hardened roofs and pavements are increasing, and the rainwater cycle is being seriously damaged; sponge city construction has become an inevitable trend to address this problem. The analysis of the infi...
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