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Seyedsaleh Mousavinezhad, Judit M. Garcia, William K. Toledo and Craig M. Newtson
For several decades, class F fly ash has been an attractive supplementary cementitious material, at least in part, due to its ability to reduce Portland cement consumption and mitigate alkali-silica reactions in concrete. However, fly ash availability is...
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Wei Guo, Xuedong Guo, Xing Chen, Yingsong Li, Zhun Li, Yin An and Wenting Dai
Open graded friction course (OGFC), as a highly permeable mixture, has the characteristics of good friction and splash-and-spray reduction during rainstorms. The limitations of the use of such mixtures include the fact that they are affected by poor dura...
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Mauricio López, José Tomás Castro
Pág. Page 419 - 432
Pozzolanic materials in portland cement concrete mixtures hydrate forming new calcium silicate hydrates which improve durability of concrete structures. The aim of this research was to enhance the understanding of the role of natural pozzolans in concret...
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Faiz Shaikh
This paper presents mechanical and durability properties of green star concretes. Four series of concretes are considered. The first series is control concrete containing 100% ordinary Portland cement, 100% natural aggregates and fresh water. The other t...
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Osama Mohamed
This study examines durability and mechanical properties of sustainable self-consolidating concrete (SCC) in which 80% of the cement is replaced with combinations of recycled industrial by-products including fly ash, silica fume, and ground granulated bl...
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Cinthia Maia Pederneiras, Rosário Veiga and Jorge de Brito
One of the main functions of renders, together with the overall aesthetic appearance of the building, is the protection of the walls against external aggressive actions, such as water, salts solutions, erosion, and mechanical impacts. However, some anoma...
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Mucteba Uysal,Veysel Akyuncu,Harun Tanyildizi,Mansur Sumer,Hasan Yildirim
Pág. 364 - 382
In this study, optimization of durability properties of the concretes was performed by using Taguchi method and Anova analysis. The durability performance of the concretes was evaluated using measurements of rapid chloride ion permeability, freezing-thaw...
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Yan?e Yang, Bo Pang, Yunsheng Zhang, Minghui Wang, Gaixia Miao and Aoxiang Zhou
The properties of a large number of concrete infrastructures in China are deteriorating year by year, raising the need for repairing and strengthening these infrastructures. By introducing waterborne polymers into a cement concrete system, brittle cracks...
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Mohamed M. El-Attar, Hatem H. A. Ibrahim and Shereen F. A. Darwish
The disposal of waste plastic bags (WPB) represents an environmental challenge. Recycling (WPB) in the concrete industry would represent a huge environmental advantage if proven effective and economic. This study aims to investigate the viability of recy...
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Fernando A. N. Silva, João M. P. Q. Delgado, António C. Azevedo, Tahlaiti Mahfoud, Abdelhafid Khelidj, Nicole Nascimento and António G. B. Lima
Early deterioration of reinforced concrete foundations has been often reported in recent years. This process is usually characterized by an extensive mapping cracking process on concrete surfaces that results from several types of Internal Swelling React...
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Marva Angela Blankson, Savas Erdem and Ezgi Gürbüz
There are increasing research endeavours on the application of nanotechnology in the construction industry and lightweight composites. In this study, the influence of different percentage (1%, 2%, and 3% by weight of cement) colloidal nano-silica particl...
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Helin Fu, Pengtao An, Long Chen, Guowen Cheng, Jie Li and Xiaohui Yu
Affected by the coupling of excavation disturbance and ground stress, the heterogeneity of surrounding rock is very common. Presently, treating the permeability coefficient as a fixed value will reduce the prediction accuracy of the water inflow and the ...
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Sangkyu Lee, Sangyun Lee, Gyuyong Kim, Minjae Son, Gyeongcheol Choe, Jaehyun Lee and Jeongsoo Nam
Large porcelain tiles have attracted increased demand owing to their cost-effectiveness and superior esthetics. Here, an epoxy resin adhesive was injected into cement mortar, which was then applied to tiles. The adhesion performance of the tiles was subs...
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Dimitra Aslanidou and Ioannis Karapanagiotis
A method to produce multifunctional coatings for the protection of silk is developed. Aqueous dispersion, free of any organic solvent, containing alkoxy silanes, organic fluoropolymer, silane quaternary ammonium salt, and silica nanoparticles (7 nm in me...
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Abel Castañeda, Juan José Howland Albear, Francisco Corvo, Rigoberto Marrero
Pág. 374 - 387
AbstractA study on concrete quality assessment before building structures submitting to environmental exposure conditions was carried out. It was necessary to determine the ultrasonic velocity pulse, compressive strength and percentage of effective capil...
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Juan Carlos de la Cruz, Jose María del Campo, David Colorado
Pág. 70 - 76
With the use of special additives, the concrete benefits over its productlife increase, both in terms of mechanical properties and durability.Zeolites are used in the field of building work for, thank to their properties,they lend to the concrete enhance...
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Luis Ebensperger, Roberto Torrent
Pág. Page 371 - 382
The authors have been involved in the creation, preliminary tests and development of the ?Torrent Method?, which is intended to test air permeability in concrete. It?s been more than 15 years since such foundational research and, now, this paper presents...
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Thamer Alomayri, Babar Ali, Syed Safdar Raza, Hawreen Ahmed and Moustafa Hamad
Seawater mixed (SW) concrete lessens the freshwater (FW) demand and eases the stress on the already depleting FW resources. The use of SW concrete is a sustainable solution that mitigates the environmental impact of concrete production, especially in coa...
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Abir Zouari, Albert Manich, Meritxell Marti, Sondes Gargoubi and Chedly Boudokhane
Recently, a significant interest in eco-friendly textile products and processes has been noted among consumers and producers. In this respect, nanobubble technology is emerging as a green alternative. In this study, water-repellent cotton fabrics were pr...
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Faiza Anwar, Mudassar Abbas, Mumtaz Hasan Malik, Amna Aziz Cheema, Suniya Tariq, Warda Afzal and Asfandyar Khan
Military personnel are exposed to several harsh conditions and mosquitos in mountains and wild forests. Mosquito-repellent textiles can help them to cope with such conditions. The present research work established a sustainable approach for fabricating m...
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