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You searched for: Publication year rev 7981-2019 Remove constraint Publication year rev: 7981-2019 Subject term concrete Remove constraint Subject term: concrete
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1. A Comparison of Three Types of Permeable Pavements for Urban Runoff Mitigation in the Semi-Arid South Texas, U.S.A

Author:
Taufiqul Alam; Ahmed Mahmoud; Kim D. Jones; Juan César Bezares-Cruz; Javier Guerrero
Source:
Water 2019 v.11 no.10 pp. -
ISSN:
2073-4441
Subject:
biochemical oxygen demand; climatic zones; concrete; environmental performance; gravel; pavements; rain; total suspended solids; urban runoff; Texas
Abstract:
... This study examines the hydrologic and environmental performance of three types of permeable pavement designs: Porous Concrete Pavement (PCP), Permeable Interlocking Concrete (PICP), and Interlocking Block Pavement with Gravel (IBPG) in the semi-arid South Texas. Outflow rate, storage, Normalized Volume Reduction (NVR), Normalized Load Reductions (NLR) of Total Suspended Solids (TSS), and Biochemi ...
DOI:
10.3390/w11101992

2. A comprehensive optimization strategy for real-time spatial feature sharing and visual analytics in cyberinfrastructure

Author:
Hu Shao; Wenwen Li
Source:
International journal of digital earth 2019 v.12 no.3 pp. 250-269
ISSN:
1753-8955
Subject:
Internet; concrete; data collection; decision making; geometry; vector data
Abstract:
... For geospatial cyberinfrastructure-enabled web services, the ability of rapidly transmitting and sharing spatial data over the Internet plays a critical role to meet the demands of real-time change detection, response and decision-making. Especially for vector datasets which serve as irreplaceable and concrete material in data-driven geospatial applications, their rich geometry and property inform ...
DOI:
10.1080/17538947.2017.1421719

3. A life cycle assessment of the construction phase of eleven micro-hydropower installations in the UK

Author:
T. Ueda; E.S. Roberts; A. Norton; D. Styles; A.P. Williams; H.M. Ramos; J. Gallagher
Source:
Journal of cleaner production 2019 v.218 pp. 1-9
ISSN:
0959-6526
Subject:
acidification; case studies; circular economy; concrete; design for environment; electricity; electricity generation; environmental impact; environmental performance; global warming; global warming potential; humans; life cycle assessment; metals; mineral resources; plastics; renewable energy sources; toxicity; United Kingdom
Abstract:
... The rapid deployment of renewable energy technologies continues, yet the environmental impacts associated with their construction is accepted without sustainable design considerations. This life cycle assessment study quantifies the embodied burdens in the construction phase of eleven micro-hydropower installations, ranging from 70–100 kW in size. The consumption of concrete and aggregates, metals ...
DOI:
10.1016/j.jclepro.2019.01.267

4. A new approach to the effect of sample dimensions and measurement techniques on ultrasonic wave velocity

Author:
Hakan Ersoy; Murat Karahan; Ali Erden Babacan; Muhammet Oğuz Sünnetci
Source:
Engineering geology 2019 v.251 pp. 63-70
ISSN:
0013-7952
Subject:
concrete; face; geometry; polypropylenes; ultrasonics
Abstract:
... Though the velocity of ultrasonic waves passing through materials is a highly preferred parameter to indirectly and non-destructively determine the strength properties of rock and concrete, many studies have emphasized that such waves are influenced by many factors, such as sample diameter, length, and measurement techniques (semi-direct or indirect). Direct techniques use opposite sides of the ma ...
DOI:
10.1016/j.enggeo.2019.02.011

5. A novel approach to systematically collect critical chloride contents in concrete in an open access data base

Author:
C. Boschmann Käthler; U.M. Angst; A.M. Aguilar; B. Elsener
Source:
Data in Brief 2019 v.27 pp. 104675
ISSN:
2352-3409
Subject:
chlorides; concrete; corrosion; data collection; databases; steel
Abstract:
... A living data collection providing critical chloride contents for steel corrosion in concrete (Ccᵣᵢₜ) is presented. The Ccᵣᵢₜ values were measured on samples taken from engineering structures. This approach allows to overcome the well-known limitations of testing laboratory samples. The data are available in a public data repository. Currently, 46 Ccᵣᵢₜ are reported (measured on four different str ...
DOI:
10.1016/j.dib.2019.104675

6. ANN models for prediction of residual strength of HSC after exposure to elevated temperature

Author:
Husain Abbas; Yousef A. Al-Salloum; Hussein M. Elsanadedy; Tarek H. Almusallam
Source:
Fire safety journal 2019 v.106 pp. 13-28
ISSN:
0379-7112
Subject:
building construction; compression strength; concrete; databases; fire testing; guidelines; neural networks; prediction; surveys; temperature
Abstract:
... Although high strength concrete (HSC) is becoming popular in building construction around the globe, its performance under high temperature (or fire) exposure is not precisely known. The existing fire-design provisions were developed mostly from the results of fire tests on normal strength concrete (NSC) and thus their applicability to HSC needs to be evaluated because sufficient HSC data is now a ...
DOI:
10.1016/j.firesaf.2019.03.011

7. Ammonia emissions and mitigation from a concrete yard used by cattle

Author:
William Burchill; Francesca Reville; Tom H. Misselbrook; Christina O'Connell; Gary J. Lanigan
Source:
Biosystems engineering 2019 v.184 pp. 181-189
ISSN:
1537-5110
Subject:
ammonia; animal handling; application rate; cattle; cleaning; concrete; emissions; emissions factor; farmers; feces; urea nitrogen; urine; washing; wind tunnels
Abstract:
... Livestock excreta deposition on concrete farmyards has been identified as an important source of ammonia (NH3) emissions from agriculture. The objective of this study was to quantify the effect of urine application rate and four cleaning strategies on NH3 emissions from excreta deposited on a concrete yard. Three experiments were conducted on a concrete yard over a three week period in August 2016 ...
DOI:
10.1016/j.biosystemseng.2019.06.007

8. An assessment of greenhouse gas emissions from CLT and glulam in two residential nearly zero energy buildings

Author:
Nicola Lolli; Selamawit Mamo Fufa; Marianne Kjendseth Wiik
Source:
Wood material science and engineering 2019 v.14 no.5 pp. 342-354
ISSN:
1748-0280
Subject:
buildings; concrete; cross laminated timber; electricity; energy; floors; glulam; greenhouse gas emissions; greenhouse gases; heat; residential housing; slabs; wood; Norway; Sweden
Abstract:
... This paper analyses and compares the embodied and operational greenhouse gas (GHG) emissions of two nearly Zero Energy Buildings, a student housing building in Trondheim, Norway, and a residential building in Växjö, Sweden. The student housing in Trondheim, Moholt Allmenning Tower B, is a 9-storey tower composed of cross laminated timber (CLT) panels and concrete floor slabs with a total heated fl ...
DOI:
10.1080/17480272.2019.1655792

9. An empirical study of construction and demolition waste generation and implication of recycling

Author:
Rashidul Islam; Tasnia Hassan Nazifa; Adhi Yuniarto; A.S.M. Shanawaz Uddin; Salmiati Salmiati; Shamsuddin Shahid
Source:
Waste management 2019 v.95 pp. 10-21
ISSN:
0956-053X
Subject:
bricks; buildings; carbon dioxide; concrete; construction materials; economic valuation; ecosystem services; empirical research; energy; entrepreneurship; financial economics; greenhouse gas emissions; industry; infrastructure; landfills; recycling; regression analysis; stakeholders; urbanization; wastes; Bangladesh
Abstract:
... Associated with the continuing increase of construction activities such as infrastructure projects, commercial buildings and housing programs, Bangladesh has been experiencing a rapid increase of construction and demolition (C&D) waste. Till now, the generation rate of C&D waste has not been well understood or not explicitly documented in Bangladesh. This study aims to provide an approach to estim ...
DOI:
10.1016/j.wasman.2019.05.049

10. An examination of the microbial community and occurrence of potential human pathogens in rainwater harvested from different roofing materials

Author:
Sungwoo Bae; Juan P. Maestre; Kerry A. Kinney; Mary Jo Kirisits
Source:
Water research 2019 v.159 pp. 406-413
ISSN:
0043-1354
Subject:
Adenoviridae; Enterococcus; Escherichia coli O157; Legionella; animal pathogens; bitumen; coliform bacteria; community structure; concrete; fecal bacteria; fiberglass; genes; high-throughput nucleotide sequencing; microbial communities; microbial contamination; microbiological quality; rain; ribosomal RNA; systems engineering; water harvesting; water quality; water supply
Abstract:
... While harvested rainwater can serve as an alternative water supply, microbial contaminants within the collection system can negatively affect water quality. Here, we investigated the impact of roofing material on the microbial quality of rainwater freshly harvested from pilot-scale roofs (concrete tile, cool, green, Galvalume® metal, and asphalt fiberglass shingle). The microbial quality of freshl ...
DOI:
10.1016/j.watres.2019.05.029

11. An integrated approach using AHP and DEMATEL for evaluating climate change mitigation strategies of the Indian cement manufacturing industry

Author:
Sachin Balsara; Pramod Kumar Jain; Anbanandam Ramesh
Source:
Environmental pollution 2019 v.252 pp. 863-878
ISSN:
0269-7491
Subject:
cement; climate change; concrete; developing countries; energy; expert opinion; fuels; greenhouse gas emissions; manufacturing; models; supply chain; India
Abstract:
... Concrete, a cement-based product is the highest manufactured and second highest consumed product after water on earth. Across the world, production of cement is the most energy and emission intensive industry hence, the cement industry is currently under pressure to reduce greenhouse gases emissions (GHGEs). However, reducing the GHGEs of the cement industry especially for developing country like ...
DOI:
10.1016/j.envpol.2019.05.059

12. An intelligent singular value diagnostic method for concrete dam deformation monitoring

Author:
Jie Yang; Xu-dong Qu; Meng Chang
Source:
Water Science and Engineering 2019 v.12 no.3 pp. 205-212
ISSN:
1674-2370
Subject:
concrete; decision support systems; deformation; diagnostic techniques; engineering; models; monitoring
Abstract:
... Extracting implicit anomaly information through deformation monitoring data mining is highly significant to determining dam safety status. As an intelligent singular value diagnostic method for concrete dam deformation monitoring, shallow neural network models result in local optima and overfitting, and require manual feature extraction. To obtain an intelligent singular value diagnosis model that ...
DOI:
10.1016/j.wse.2019.09.006

13. Assessing occupational risks in pipeline construction using FMEA-based AHP-MOORA integrated approach under Pythagorean fuzzy environment

Author:
Suleyman Mete
Source:
Human and ecological risk assessment 2019 v.25 no.7 pp. 1645-1660
ISSN:
1549-7860
Subject:
case studies; comparative study; concrete; natural gas; occupational health and safety; risk; risk assessment process; uncertainty
Abstract:
... The aim of natural gas pipeline projects is generally to make it possible to transfer the natural gas produced from one place to another. There are various safety risks for these broad construction systems. Therefore, to reduce the negative effects of emerged risks, a new risk assessment approach for occupational health and safety (OHS) is needed. In this paper, FMEA-based AHP-MOORA integrated app ...
DOI:
10.1080/10807039.2018.1546115

14. Bioassays and Methodologies for Insecticide Tests with Larvae of Trogoderma granarium (Everts), the Khapra Beetle

Author:
Frank H. Arthur; Michael J. Domingue; Deanna S. Scheff; Scott W. Myers
Source:
Insects 2019 v.10 no.5 pp. -
ISSN:
2075-4450
Subject:
Trogoderma granarium; adults; bioassays; concrete; deltamethrin; diapause; larvae; methoprene; pesticide application; piperonyl butoxide; United States
Abstract:
... New insecticide treatment options would be beneficial for control programs for Trogoderma granarium Everts, the khapra beetle, in the United States. Two insecticides were evaluated, the Polyzone® formulation of deltamethrin and a formulation of the insect growth regulator methoprene combined with deltamethrin and the synergist piperonyl butoxide. In the test with Polyzone® deltamethrin, co ...
DOI:
10.3390/insects10050145
PubMed:
31121835
PubMed Central:
PMC6571631

15. Biochar from residual biomass as a concrete filler for improved thermal and acoustic properties

Author:
Douglas Cuthbertson; Umberto Berardi; Cedric Briens; Franco Berruti
Source:
Biomass and bioenergy 2019 v.120 pp. 77-83
ISSN:
0961-9534
Subject:
absorbance; acoustic properties; biochar; bioenergy industry; biomass; carbon; carbon footprint; carbon sequestration; compression strength; concrete; thermal conductivity
Abstract:
... The current imbalance of carbon in the atmosphere is stimulating the search for carbon sequestration opportunities and for alternative processes and products with a reduced carbon footprint. Biochar, produced from residual biomass of the bio-ethanol industry (Dry Distillers Grains), was added as filler to a standard concrete, aiming at finding potential solutions for simultaneous carbon sequestrat ...
DOI:
10.1016/j.biombioe.2018.11.007

16. Bond strength of eco-friendly class C fly ash-based thermally cured alkali-activated concrete to portland cement concrete

Author:
Eslam Gomaa; Ahmed A. Gheni; Cedric Kashosi; Mohamed A. ElGawady
Source:
Journal of cleaner production 2019 v.235 pp. 404-416
ISSN:
0959-6526
Subject:
adhesion; cement; chemical composition; concrete; curing (nonfood products); durability; fly ash; friction; strength (mechanics); sustainable technology; temperature; United States
Abstract:
... Sixty percent of existing USA bridges were constructed using conventional concrete (CC), i.e., ordinary Portland cement (OPC)-based concrete. Due to aging and changes in standards, many of these bridges require structural repair. To develop engineering-sound repairs, the bond strength between the repair material and existing structure needs to be investigated. This study investigated the bond stre ...
DOI:
10.1016/j.jclepro.2019.06.268

17. CFD modeling of airflow, thermal environment, and ammonia concentration distribution in a commercial manure-belt layer house with mixed ventilation systems

Author:
Xinjie Tong; Se-Woon Hong; Lingying Zhao
Source:
Computers and electronics in agriculture 2019 v.162 pp. 281-299
ISSN:
0168-1699
Subject:
air; air flow; air temperature; ammonia; autumn; birds; concrete; egg production; environmental factors; farmers; guidelines; heat stress; models; pollutants; poultry housing; poultry manure; risk; risk assessment; seasonal variation; summer; ventilation systems; winter
Abstract:
... Ammonia (NH3) is a major gaseous pollutant in poultry houses and adversely affects production performance and the health of layers and workers. Knowledge of three-dimensional (3D) spatial distribution and seasonal variation of indoor environment inside layer houses is crucial to assess the risks and seek for optimization. This study developed a 3D Computational Fluid Dynamics (CFD) model and simul ...
DOI:
10.1016/j.compag.2019.03.031

18. Cement pastes modified with recycled glass and supplementary cementitious materials: Properties at the ambient and high temperatures

Author:
Bo Li; Tung-Chai Ling; Jin-Guang Yu; Jiaqi Wu; Weiwei Chen
Source:
Journal of cleaner production 2019 v.241 pp. -
ISSN:
0959-6526
Subject:
annealing; cement; compression strength; concrete; construction industry; fly ash; glass; pastes; recycling; slags; temperature; wastes; water uptake
Abstract:
... Recycling of glass has attracted great attention in the construction industry since it can be partly utilized as aggregate or pozzolan in cement and concrete. However, high-temperature performance of cement concrete containing waste glass is one of the major concerns for use in building applications. This paper studies the mechanical and high-temperature properties of cement pastes modified with g ...
DOI:
10.1016/j.jclepro.2019.118155

19. Chemical Properties of Metal-Silicates Rendered by Metal Exchange Reaction

Author:
Roberto C. Longo; Franz Königer; Alexei Nefedov; Peter Thissen
Source:
ACS sustainable chemistry & engineering 2019 v.7 no.9 pp. 8449-8457
ISSN:
2168-0485
Subject:
biological resistance; carbon dioxide; carbonates; cement; concrete; construction materials; corrosion; magnesium; phase transition; physicochemical properties; porosity
Abstract:
... Calcium-silicates and calcium-silicate-hydrates (CS and CSH) are well-known as the most important building material, cement. Both CS and CSH phases react fast with CO₂ from the atmosphere. Due to the porosity of cement and concrete, such reaction goes deep into the material, producing phase transformations, crack formation and propagation. The aim of this work is 2-fold. In the first part, we comp ...
DOI:
10.1021/acssuschemeng.9b00157

20. Combined use of waste concrete and glass as a replacement for mortar raw materials

Author:
Viviana Letelier; Bastián I. Henríquez-Jara; Miguel Manosalva; Giacomo Moriconi
Source:
Waste management 2019 pp. -
ISSN:
0956-053X
Subject:
carbon dioxide; cement; concrete; construction industry; durability; glass; greenhouse gas emissions; greenhouse gases; mechanical properties; particle size; raw materials; recycled materials; waste management; wastes
Abstract:
... The construction industry offers one of the most attractive options in the use of recycled materials due to its large consumption of raw materials and high construction work rates. Also, the debris from construction and demolition is responsible for a high participation rate in the generation of waste, with concrete being a major contributor in this category. Waste glass powder, on the other hand, ...
DOI:
10.1016/j.wasman.2019.05.041