بتن های سبز و بتن های سنتی
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بتن های سبز و بتن های سنتی

عنوان فارسی مقاله: مقایسه پایداری بین بتن های سبز و بتن های سنتی با استفاده از یک نمودار سه گانه امرژی
عنوان انگلیسی مقاله: A Sustainability Comparison between Green Concretes and Traditional Concrete Using an Emergy Ternary Diagram
مجله/کنفرانس: مجله تولید پاک – Journal of Cleaner Production
رشته های تحصیلی مرتبط: مهندسی عمران
گرایش های تحصیلی مرتبط: مهندسی عمران محیط زیست، سازه
کلمات کلیدی فارسی: پایداری، تراکم بازیافت شده، بتن سبز، امرژی، ارزیابی
کلمات کلیدی انگلیسی: Sustainability; Recycled aggregate; Green concretes; Emergy; Evaluation
نوع نگارش مقاله: مقاله پژوهشی (Research Article)
نمایه: Scopus – Master Journals List – JCR
شناسه دیجیتال (DOI): https://doi.org/10.1016/j.jclepro.2020.120421
دانشگاه: School of Management, Shenyang Jianzhu University, Shenyang, 110168, PR China
ناشر: الزویر - Elsevier
نوع ارائه مقاله: ژورنال
نوع مقاله: ISI
سال انتشار مقاله: 2020
ایمپکت فاکتور: 7.096 در سال 2019
شاخص H_index: 150 در سال 2020
شاخص SJR: 1.620 در سال 2019
شناسه ISSN: ۰۹۵۹-۶۵۲۶
شاخص Quartile (چارک): Q1 در سال 2019
فرمت مقاله انگلیسی: PDF
تعداد صفحات مقاله انگلیسی: 48
وضعیت ترجمه: ترجمه نشده است
قیمت مقاله انگلیسی: رایگان
آیا این مقاله بیس است: خیر
آیا این مقاله مدل مفهومی دارد: ندارد
آیا این مقاله پرسشنامه دارد: ندارد
آیا این مقاله متغیر دارد: ندارد
کد محصول: E14620
رفرنس: دارای رفرنس در داخل متن و انتهای مقاله
فهرست انگلیسی مطالب

Abstract


Graphical abstract


۱٫ Introduction


۲٫ Literature review


۳٫ Methods


۴٫ Results and discussion


۵٫ Conclusion


CRediT authorship contribution statement


Declaration of competing interest


Acknowledgements


References

نمونه متن انگلیسی مقاله

Abstract


The sustainable development of green concrete consumes as few natural resources as possible during production and uses and utilizes recyclable waste materials as raw materials. This study summarizes three modes of green concrete production: recycled aggregate concrete production mode, fly ash concrete production mode, and circular economy concrete production mode, as well as the system emergy flow of each mode of production, and presents emergy analysis methods for each mode. With the help of emergy ternary diagram auxiliary lines, the emergy ternary diagram expressions of three green concrete production modes and traditional concrete production modes are analyzed, respectively. The ternary diagram of emergy analysis directly reflects the resource allocation of the system. The relationship between the emergy utilization ratio and the indicators of the system is analyzed, and the sustainability of the existing concrete production system is evaluated comprehensively. The R-resource line corresponds to the environmental load ratio. The closer the R-resource line is to the F-axis, the greater the environmental pressure of the system. The N-resource line corresponds to emergy yield ratio and emergy investment ratio. The closer the N-resource line is to the N-axis, the greater the energy input-output efficiency of the system. The closer the N-resource line is to the “۰” point of the R-axis, the higher the utilization rate of outsourced resources. In the emergy ternary diagram, it is evident that the circular economy concrete production mode is more sustainable than the other three concrete production modes. Combined with the analysis of the sensitivity line and sustainability line, it is predicted that the concrete production mode along the direction of the R-Sensitivity line is a sustainable development path.


Introduction


China’s concrete production ranks first in the world; its annual concrete production is 53% greater than the total of all other countries worldwide. Further, China’s cement production is the highest worldwide as well. Its output in 2012 was 2.15 billion metric tons, 8.6 times that of India, the second highest producer, and 29 times that of the United States, the third highest producer (Oh et al. 2014). In China, concrete products and components, concrete mixing stations, and other construction methods are adopted, and about two billion cubic meters of concrete are used in national projects and infrastructure construction annually. According to statistics regarding the production and operation of the national key ready-mixed concrete enterprises (groups), put out by the China Concrete and Cement Products Association, the actual output of ready-mixed concrete enterprises (groups) in China totaled 2.103 billion cubic meters in 2017. Thus, related quality and environmental protection problems about concrete production can not be ignored.

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