Characteristics of sewage sludge and its potential applications in the construction industry: a review

Purpose The purpose of this paper is to investigate building information modelling (BIM) integrated Internet of Things (IoT) architectures extensively and provide comparative evaluation of those against deciding parameters pertaining to their characteristics and subsequent applications in construction industry. Design/methodology/approach This paper identifies BIM-integrated cyber physical system frameworks, specific to project objectives, comprising of sensors working as physical assets and BIM-based virtual models acting as the cyber component , connected via wired or wireless protocols (e.g. WiFi, Zigbee, near-field communication, mobile-to-mobile, Zwave, 3 G, 4 G, long-term evolution, 5 G and low-power wide-area networks) and their potential applications in decision-making, visual management, logistics and supply chain management, smart building system management and structural performance assessment, etc. Such proposed architectures are evaluated against deciding parameters such as availability, reliability, mobility, performance, management, scalability, interoperability and security and privacy to evaluate their respective efficiencies. Findings This study finds that the underlying aim of planned IoT frameworks is to integrate systems and processes for a better information flow and to initiate shift from silo solutions to a smart ecosystem. The efficiencies of such frameworks are completely subjective to their respective project natures, objectives and requirements. Originality/value This study is unique in its nature to identify requirements of an efficient BIM-integrated IoT architecture and provide comprehensive insights about potential applications in construction industry.

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Iron-Oxide Pigments Obtained from Sewage Sludge: Properties, Structure, Phase Transformation

Key Engineering Materials ◽

10.4028/www.scientific.net/kem.683.338 ◽

2016 ◽

Vol 683 ◽

pp. 338-344 ◽

Cited By ~ 1

Author(s):

Olga Lukashevich ◽

Nadejda Usova ◽

Vasily Lotov ◽

Sergey Filichev

Keyword(s):

Iron Oxide ◽

Sewage Sludge ◽

Construction Industry ◽

Thermal Analyses ◽

Treatment Plant ◽

Water Treatment Plant ◽

Raw Material ◽

Industry Applications ◽

Sludge Properties ◽

Iron Oxide Pigments

The paper presents chemical, physical, and physicochemical investigations of sewage sludge and iron-oxide pigments produced therefrom. Gravimetric, X-ray phase, and thermal analyses and scanning electron microscopy were carried out in certified laboratories. Experimental results are given for iron-containing sewage sludge produced by the water-treatment plant and taken from water collection filters of Tomsk groundwater sources. It is shown that at heating iron-containing sewage sludge up to 800 oС, a brick-red pigment is formed having the specific surface area of 9,8 m2/g that corresponds to the theoretical particle size of 124 nm. A flow-chart is suggested for the production of iron-oxide pigments obtained from sewage sludge, and the raw material compositions are designed for construction industry applications. The suggested cement-sand colored compositions of materials and products have passed the evaluation tests at OOO Akvatom (Tomsk, Russia), and their high service properties (strength, water-and frost-resistance) are experimentally supported.

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Potential Applications of Geographic Information Systems to Construction Industry

Journal of Construction Engineering and Management ◽

10.1061/(asce)0733-9364(1993)119:1(72) ◽

1993 ◽

Vol 119 (1) ◽

pp. 72-86 ◽

Cited By ~ 12

Author(s):

Mohamed N. Jeljeli ◽

Jeffrey S. Russell ◽

H. W. Guy Meyer ◽

Alan P. Vonderohe

Keyword(s):

Information Systems ◽

Geographic Information Systems ◽

Construction Industry ◽

Geographic Information ◽

Potential Applications

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Evaluation of raw and chemically treated waste phosphogypsum and its potential applications

E3S Web of Conferences ◽

10.1051/e3sconf/20199602004 ◽

2019 ◽

Vol 96 ◽

pp. 02004

Author(s):

Tebogo Mashifana

Keyword(s):

High Temperature ◽

Citric Acid ◽

Construction Industry ◽

South African ◽

Elevated Temperatures ◽

Relative Proportion ◽

Cement Industry ◽

Limited Ability ◽

Moisture Contents ◽

Potential Applications

A million tons of Phosphogypsum (PG) is stacked in the environment every year and is progressively considered an asset. South African construction industry is expanding as a result of infrastructural developments in the country, the reuse of PG in this industry is considered for recycling and reducing the stacks in landfills. Phosphogypsum is known for its limited ability to use in cement industry due to its phosphorus and radionuclides impurities. This study was conducted to reduce these impurities and investigate the probability of PG application in building and construction. Leaching of PG with citric acid was conducted whereby a relative proportion of P2O5 and radionuclides was reduced in the material, constituents which contributes to strengths reduction. Optimum moisture Contents and maximum dry densities were determined for various PG content mix designs in which Lime and Fly Ash were added to stabilise PG material. The composites were compacted at various moisture contents and cured at low and elevated temperatures of at 40 °C and 80 °C for 4 days. The results obtained shows that for unconfined compressive strengths; the composites produced from PG, and cured at high temperature qualified for the use in construction industry.

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Decision Support Systems and their Application in Construction

Knowledge Management in the Construction Industry ◽

10.4018/978-1-59140-360-9.ch015 ◽

2011 ◽

pp. 276-298

Author(s):

Alaa Abdou ◽

Moh’d Radaideh ◽

John Lewis

Keyword(s):

Artificial Intelligence ◽

Decision Support ◽

Decision Support Systems ◽

Construction Industry ◽

Support Systems ◽

Integrated Systems ◽

The Internet ◽

Research Projects ◽

Knowledge Based ◽

Potential Applications

Decisions are activities that we face and deal with every day. Decision support systems are used to support and improve decision making. They help people make better and faster decisions than they could make themselves. The construction industry witnessed a growth in the application of knowledge-based expert systems in the eighties and early nineties, followed by the application of fuzzy, artificial neural networks and hybrid (integrated) systems. Potential applications of the Internet in the construction industry have generated many research projects recently. The purpose of this chapter is to understand decision support systems and their basic technologies, and to review their application in the construction industry. The construction industry is rapidly realising the need to integrate information technology and artificial intelligence into its processes in order to remain competitive.

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Decision Support Systems and their Application in Construction

Business Information Systems ◽

10.4018/978-1-61520-969-9.ch061 ◽

2010 ◽

pp. 1024-1042 ◽

Cited By ~ 1

Author(s):

Alaa Abdou ◽

Moh’d Radaideh ◽

John Lewis

Keyword(s):

Artificial Intelligence ◽

Decision Support ◽

Decision Support Systems ◽

Construction Industry ◽

Support Systems ◽

Integrated Systems ◽

The Internet ◽

Research Projects ◽

Knowledge Based ◽

Potential Applications

Decisions are activities that we face and deal with every day. Decision support systems are used to support and improve decision making. They help people make better and faster decisions than they could make themselves. The construction industry witnessed a growth in the application of knowledge-based expert systems in the eighties and early nineties, followed by the application of fuzzy, artificial neural networks and hybrid (integrated) systems. Potential applications of the Internet in the construction industry have generated many research projects recently. The purpose of this chapter is to understand decision support systems and their basic technologies, and to review their application in the construction industry. The construction industry is rapidly realising the need to integrate information technology and artificial intelligence into its processes in order to remain competitive.

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