Applications of Nanomaterials in Construction Industry

2014 ◽  
pp. 164-175
Author(s):  
Salim Barbhuiya
Keyword(s):  
Construction Industry ◽  
Construction Materials ◽  
Multifunctional Composites ◽  
Nano Scale ◽  
Applied Fields ◽  
Durability Performance

The application of nanomaterials in various applied fields has gained worldwide recognition. Nanomaterials have the ability to manipulate the structure at nano-scale. This leads to the generation of tailored and multifunctional composites with improved mechanical and durability performance. Recognizing this, the construction industry recently has started to use a variety of nanomaterials. The use of these materials is found to improve various fundamental characteristics of construction materials including the strength, durability, and lightness. In this chapter an attempt is made to review the use of various nanomaterials in cementitous system. This is followed by a discussion of the challenges related to their use. Finally, the strategies for using nanomaterials in construction industry for the next ten years are identified.

Applications of Nanomaterials in Construction Industry

2017 ◽  
pp. 846-858
Author(s):  
Salim Barbhuiya
Keyword(s):  
Construction Industry ◽  
Construction Materials ◽  
Multifunctional Composites ◽  
Nano Scale ◽  
Applied Fields ◽  
Durability Performance

The application of nanomaterials in various applied fields has gained worldwide recognition. Nanomaterials have the ability to manipulate the structure at nano-scale. This leads to the generation of tailored and multifunctional composites with improved mechanical and durability performance. Recognizing this, the construction industry recently has started to use a variety of nanomaterials. The use of these materials is found to improve various fundamental characteristics of construction materials including the strength, durability, and lightness. In this chapter an attempt is made to review the use of various nanomaterials in cementitous system. This is followed by a discussion of the challenges related to their use. Finally, the strategies for using nanomaterials in construction industry for the next ten years are identified.

scholarly journals ENVIRONMENTAL MANAGEMENT SYSTEMS AS A DRIVER FOR SUSTAINABILITY: STATE OF IMPLEMENTATION, BENEFITS AND BARRIERS IN GERMAN CONSTRUCTION COMPANIES

2017 ◽  
Vol 23 (1) ◽  
pp. 150-162 ◽  
Author(s):  
Jan-Simon SCHMIDT ◽  
Rainard OSEBOLD
Keyword(s):  
Environmental Management ◽  
Construction Industry ◽  
Construction Materials ◽  
The State ◽  
Management Systems ◽  
Environmental Management Systems ◽  
Large Measure ◽  
Construction Companies ◽  
Ecologically Sustainable ◽  
Corporate Business

The construction industry, as one of almost every economy’s major generators of environmental impact, can contribute in large measure to achieving the goals of sustainability. However, most publications in this field deal with sustainability with reference to selecting construction materials and improvements in the operating phase of buildings. When considering ecological sustainability the focus has to be extended from the finished building to the building pro­cess. Therefore the actors of the construction sector who are responsible for the production process have to be studied: the construction companies. The goal of this paper is to study the state of ecologically sustainable corporate business management in construction. The state of application of elements of environmental management systems (EMS) is used as an indicator of the current situation in German construction companies. EMS can help continuously to environmen­tally improve the operating processes of the firms. A broad survey about the extent of EMS has been conducted consid­ering the barriers and drivers. In general, a relatively low interest in EMS and a lack of knowledge is noticeable within the sector. As a result, strategic recommendations are made on how to promote environmental management to foster sustainable thinking in the German construction industry.

A benchmarking approach to the progress of green materials and systems’ use in the UAE construction industry

2016 ◽  
Vol 13 (4) ◽  
pp. 315-327 ◽  
Author(s):  
Aly Elgayar ◽  
Salwa Mamoun Beheiry ◽  
Alaa Jabbar ◽  
Hamad Al Ansari
Keyword(s):  
Construction Industry ◽  
United Arab Emirates ◽  
Design Methodology ◽  
Construction Materials ◽  
Relative Importance ◽  
Content Type ◽  
The Past ◽  
Green Materials ◽  
Importance Index ◽  
Regulatory Guidelines

Purpose Over the past decade, the United Arab Emirates (UAE) introduced several green regulatory guidelines, federal decrees, and a considerable number of environmentally friendly initiatives. Hence, the purpose of this paper is to investigate the top green materials and systems used currently in the UAE construction industry as per the new laws dictate as well as see if professionals are switching over to incorporate more green materials, systems, and/or designs. Design/methodology/approach The work involved reviewing internationally popular green materials and systems for construction, developing a questionnaire based on the literature review, surveying professionals in the seven UAE emirates, and ranking the findings based on the relative importance index. Findings Findings found the top used green materials and system in the UAE’s construction industry. As well as identified that there is a communication gap between the design and implementation phases that is possibly hindering the use of more green materials and systems. Originality/value This study sets a baseline to measure the UAE’s progress over the coming years in terms of integrating more green construction materials, systems, methodologies, and trends.

Alternative Concrete – Geopolymer Concrete

2021 ◽  
Keyword(s):  
Mechanical Properties ◽  
Fly Ash ◽  
Construction Industry ◽  
Building Material ◽  
Construction Materials ◽  
Raw Material ◽  
Geopolymer Concrete ◽  
Sustainable Solutions ◽  
New Construction ◽  
Alkali Activated

Concrete is the most versatile, durable and reliable material and is the most used building material. It requires large amounts of Portland cement which has environmental problems associated with its production. Hence, an alternative concrete – geopolymer concrete is needed. The general aim of this book is to make significant contributions in understanding and deciphering the mechanisms of the realization of the alkali-activated fly ash-based geopolymer concrete and, at the same time, to present the main characteristics of the materials, components, as well as the influence that they have on the performance of the mechanical properties of the concrete. The book deals with in-depth research of the potential recovery of fly ash and using it as a raw material for the development of new construction materials, offering sustainable solutions to the construction industry.

RISK VARIABLE ON CONTRACTOR’S TENDER FIGURE IN MALAYSIA

2016 ◽  
Vol 78 (5-2) ◽  
Author(s):  
Sabihah Saaidin ◽  
Intan Rohani Endut ◽  
Siti Akmar Abu Samah ◽  
Ahmad Ruslan Mohd Ridzuan ◽  
Nur Nabihah Abd Razak
Keyword(s):  
Construction Industry ◽  
Questionnaire Survey ◽  
Construction Materials ◽  
Project Performance ◽  
Risk Exposure ◽  
Financial Capability ◽  
Price Inflation ◽  
Risk Variable ◽  
Significant Factors

Construction industry like other industries is subject to risks due to the unique and complexity of the construction industries. It shows the risk exposure at highest level during the tendering process. The objective of this paper is to evaluate risk variable on contractor’s tender figure in Malaysia. To achieve the objective, questionnaire survey was conducted on G7 contractor in Malaysia. A total of 120 usable postal questionnaires was received. The findings have shown quality expectation, price inflation of construction materials, the risk involved in the project and financial capability of the client are most significant factors to be considered by contractors when estimating the pricing risks. The study recommended that competent contractors should be allowed to tender project as to see the risk variable inherent during tendering process that will affect project performance.    

scholarly journals Bio-based construction materials for a sustainable future

2019 ◽  
Author(s):  
Rijk Block ◽  
Barbara Kuit ◽  
Torsten Schröder ◽  
Patrick Teuffel
Keyword(s):  
Construction Industry ◽  
Structural Engineering ◽  
Building Materials ◽  
Raw Materials ◽  
Construction Materials ◽  
Flax Fibres ◽  
The Past ◽  
Natural Building ◽  
Paris Climate Agreement ◽  
Primary Materials

<p>The structural engineering community has a strong responsibility to contribute to a more efficient use of natural resources. Nowadays the construction industry is by far the most resource intense industry sector, approximately 40-50% of all primary raw materials are used, which raises the question about the architects and engineer’s accountability. In this context and as a result of the Paris Climate agreement the Dutch government defined the program “Nederland Circulair in 2050”, which states the ambition to use 50% less primary materials in 2030 and to have a full circular economy in 2050.</p><p>One possible approach to achieve these ambitious goals is the application of renewable, bio-based materials in the built environment and to replace traditional, typically cement-based, materials. Already in the past natural building materials, such as timber and bamboo have been used widely, but in recent years new materials came up and provide new opportunities to be used in the construction industry. The authors explored various alternatives, such as hemp and flax fibres, mycelium and lignin-based fibres for composite materials, which will be described with various experimental and realised case studies.</p>

scholarly journals ¿Es compatible la durabilidad con la sostenibilidad en la industria de la construcción?

2012 ◽  
Vol 2 (2) ◽  
pp. 57-71
Author(s):  
P. Garcés Terradillos ◽  
Emilio Zornoza ◽  
F. Baeza Brotons ◽  
O. Galao ◽  
J. Payá
Keyword(s):  
Sustainable Development ◽  
Construction Industry ◽  
Catalytic Cracking ◽  
Rice Husk Ash ◽  
Construction Materials ◽  
Sewage Sludge Ash ◽  
Cement Mortars ◽  
Reinforced Cement ◽  
Agricultural Byproduct ◽  
Sludge Ash

RESUMENEn este artículo se presentan resultados obtenidos en distintas propiedades relacionadas con la durabilidad y características resistentes de morteros de cemento parcialmente sustituidos con diferentes residuos agrícola e industriales que presentan actividad puzolánica: ceniza de lodo de depuradora (CLD), ceniza volante (CV), residuo de catalizador de craqueo catalítico (FCC), ceniza de cascara de arroz (CCA), reforzados con acero. Los resultados presentados demuestran que es posible un desarrollo sostenible de la industria de la construcción. Esto puede conseguirse mediante la reducción del contenido de clinker en los cementos y reutilizando subproductos industriales y agrícolas con un adecuado nivel de durabilidad de los materiales de construcción elaborados a partir de ellos.Palabras claves: durabilidad; sostenibilidad; subproductos industriales; subproductos agrícolasABSTRACTThis paper presents the results obtained in the evaluation of a series of properties related to durability and strength of steel reinforced cement mortars partially substituted with different agricultural and industrial residues presenting pozzolanic activity: sewage sludge ash (SSA), fly ash (FA), spent catalytic cracking catalyst (FCC) and rice husk ash (RHA). These results show that it is possible to achieve a sustainable development in the construction industry. This can be obtained by reducing the clinker content in cement and reusing industrial and agricultural byproducts with an appropriate level of durability of the construction materials fabricated from them.Key words: durability; sustainability; industrial byproduct; agricultural byproduct

scholarly journals Ecological-and-economical aspects of assessment of management of the city-forming organizations in the construction industry

2018 ◽  
Vol 193 ◽  
pp. 05048 ◽  
Author(s):  
Kymbat Kunanbayeva ◽  
Alexander Gorovoy ◽  
Andrey Butyrin
Keyword(s):  
Sustainable Development ◽  
Construction Industry ◽  
Economic Efficiency ◽  
Construction Materials ◽  
Environmental Efficiency ◽  
Economic Aspects ◽  
Social Efficiency ◽  
The City

The matters of the mechanism of management of development of the city-forming organizations of the construction industry, forms of interference of development of the city-forming organizations and mono-profile municipal unit are defined in the article. The main methodical approaches to the assessment of effectiveness of realization of the mechanism of management of development of the city-forming organizations of construction industry are proved. Assessment of effectiveness of realization of the mechanism of management of development of the city-forming organizations to the sphere of production of construction materials are considered according to the ecological-and-economic aspects of sustainable development, including economic efficiency, social efficiency, environmental efficiency.

scholarly journals Hazards Resulting from the Burning Wood Impregnated with Selected Chemical Compounds

2020 ◽  
Vol 10 (17) ◽  
pp. 6093
Author(s):  
Anna Rabajczyk ◽  
Maria Zielecka ◽  
Daniel Małozięć
Keyword(s):  
Heavy Metals ◽  
Construction Industry ◽  
Large Range ◽  
Construction Materials ◽  
Chemical Compounds ◽  
Waste Incineration ◽  
The Other ◽  
Performance Parameters ◽  
Knowledge Use ◽  
Wooden Products

In the construction industry, a variety wooden products have been used for thousands of years, according to demand, accessibility/availability, and customers’ requirements. Wood is a preferred material due to its large range of properties, depending on the type of wood. It is an easily available and economically competitive material, and it is also extremely strong in relation to its weight. Therefore, it is used in the production of construction materials, building parts, and finishing components, as well as for furniture and decorative elements. Each of these products is commonly additionally chemically treated in order to improve its performance parameters. However, impregnated wooden products such as furniture and fence boards are often misused, including for house heating, waste incineration, bonfires, etc. For this reason, among the products of combustion, there is a whole range of different chemical compounds, frequently carcinogenic, and dangerous for health and the environment, for example, heavy metals. Knowledge in this field is important for professions, such as: firefighter, lifeguard, people dealing with environmental management, and units responsible for waste landfills. On the other hand, important recipients of this information are ordinary residents who, due to a lack of knowledge, use such materials as e.g., heating material.

scholarly journals Amazing Types, Properties, and Applications of Fibres in Construction Materials

Materials ◽  
2019 ◽  
Vol 12 (16) ◽  
pp. 2513 ◽  
Author(s):  
Abbas Mohajerani ◽  
Siu-Qun Hui ◽  
Mehdi Mirzababaei ◽  
Arul Arulrajah ◽  
Suksun Horpibulsuk ◽  
...  
Keyword(s):  
Construction Industry ◽  
Asphalt Concrete ◽  
Construction Materials ◽  
Physical And Mechanical Properties ◽  
Fibre Reinforcement ◽  
Sustainable Solutions ◽  
Wide Range ◽  
The World ◽  
Long Time ◽  
Incineration Process

Fibres have been used in construction materials for a very long time. Through previous research and investigations, the use of natural and synthetic fibres have shown promising results, as their presence has demonstrated significant benefits in terms of the overall physical and mechanical properties of the composite material. When comparing fibre reinforcement to traditional reinforcement, the ratio of fibre required is significantly less, making fibre reinforcement both energy and economically efficient. More recently, waste fibres have been studied for their potential as reinforcement in construction materials. The build-up of waste materials all around the world is a known issue, as landfill space is limited, and the incineration process requires considerable energy and produces unwanted emissions. The utilisation of waste fibres in construction materials can alleviate these issues and promote environmentally friendly and sustainable solutions that work in the industry. This study reviews the types, properties, and applications of different fibres used in a wide range of materials in the construction industry, including concrete, asphalt concrete, soil, earth materials, blocks and bricks, composites, and other applications.

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