مهندسی سازه و ساخت

مهندسی سازه و ساخت

مروری بر استفاده از بتن‌های فوق‌توانمند در زیرساخت‌های شهری (پل‌ها) به همراه مطالعه موردی

نوع مقاله : علمی - پژوهشی

نویسندگان
1 دانشجوی ارشد، دانشکده عمران و محیط زیست، دانشگاه صنعتی شریف، تهران، ایران
2 دانشجوی ارشد، دانشکده عمران و محیط زیست، دانشگاه صنعتی امیرکبیر، تهران، ایران
3 استادیار، دانشکده عمران و محیط زیست، دانشگاه صنعتی امیرکبیر، تهران، ایران
چکیده
ظهور سریع فناوری‌های هوشمند، تحولی عظیم در صنعت ساخت ‌و ساز ایجاد کرده و آن را به مرحله‌ای نوین سوق می‌دهد. بتن فوق توانمند(UHPC) به عنوان یکی از پیشرفته‌ترین مواد بر پایه سیمان، نه تنها مرزهای عملکردی بتن‌های سنتی را شکسته، بلکه امکانات جدیدی را در زمینه طراحی و ساخت سازه‌ها فراهم آورده است. این نوع بتن، با مقاومت فشاری بالاتر از 150 مگاپاسکال و دوام ممتاز به‌عنوان یک راه‌حل مؤثر در بهبود عملکرد سازه‌ها و افزایش طول عمر آ‌ن‌ها شناخته می‌شود. این مقاله به‌طور مروری به بررسی جوانب مختلف بتن فوق توانمند پرداخته است. ابتدا، به کاربردهای وسیع این نوع بتن و مواد و مصالح تشکیل‌دهنده آن اشاره می‌گردد. سپس ویژگی‌های فیزیکی و مکانیکی بتن فوق توانمند، از جمله تخلخل کم و مقاومت در برابر شرایط محیطی سخت، مورد تحلیل قرار گرفته است. در ادامه، فرآیند طرح اختلاط، نحوه‌ی ساخت و عمل‌آوری این بتن‌ها به‌طور دقیق بررسی می‌گردد تا درک بهتری از چالش‌ها و فرصت‌های موجود در تولید آن به‌دست آید. به طور ویژه، این مقاله به بررسی کاربردهای خاص بتن فوق توانمند در ساخت پل‌ها پرداخته است. با توجه به نیاز به سازه‌های مقاوم و بادوام در پروژه‌های عمرانی، مطالعه موردی بر روی پروژه‌های پل‌سازی که از این نوع بتن استفاده کرده‌اند، به‌عنوان نمونه‌هایی از موفقیت‌های عملی بتن فوق توانمند ارائه شده است. این بررسی‌ها نشان می‌دهد که چگونه این نوع بتن می‌تواند به افزایش ایمنی، کاهش هزینه‌های نگهداری و بهبود کارایی در پروژه‌های عمرانی کمک کند. در نهایت، مقاله بر اهمیت آگاهی و پذیرش هر چه بیشتر بتن فوق توانمند در میان طراحان، مهندسان و معماران تأکید دارد و به‌دنبال ایجاد نگرشی مثبت نسبت به این ماده نوآورانه و تأثیرات آن بر صنعت ساخت‌وساز است. این تلاش‌ها می‌تواند به توسعه پایدار و بهینه‌سازی فرآیندهای ساخت کمک کند و در نهایت، به ارتقاء کیفیت زندگی انسان‌ها منجر شود.
کلیدواژه‌ها

موضوعات


عنوان مقاله English

A review on the use of ultra-high performance concrete (UHPC) in urban infrastructures (bridges) along with case studies

نویسندگان English

Ali Eslamifar 1
Amir Ramezani 2
Faramarz Moodi 3
1 Sharif University of Technology
2 AmirKabir University of Technology
3 AmirKabir University of Technology
چکیده English

The rapid emergence of advanced technologies has created a huge transformation in the construction industry and pushed it to a new stage. As one of the most advanced cement-based materials, ultra-high-performance concrete (UHPC) has not only broken the performance boundaries of traditional concrete but has also provided new possibilities in the field of designing and building structures. This type of concrete mixture, with a compressive strength higher than 150 MPa, high flexibility, and excellent durability, is known as an effective solution in improving the performance of structures and increasing their lifespan. This article has reviewed various aspects of UHPC. First, the wide applications of this type of concrete mixture and its constituent materials are mentioned. Then, the physical and mechanical characteristics of UHPC, including low porosity and resistance to harsh environmental conditions, have been analyzed. In the following, mixture proportions, mixing, and curing of this concrete mixture are reviewed in detail in order to get a better understanding of the challenges and opportunities in its production. In particular, this article has investigated the special applications of UHPC in the construction of bridges. Considering the need for strong and durable structures in construction projects, a case study on bridge construction projects that have used this type of concrete mixture is presented as examples of the practical successes of UHPC. These studies illustrate how this type of concrete mixture can increase safety, reduce maintenance costs, and improve efficiency in construction projects. Finally, the article emphasizes the importance of awareness and acceptance of UHPC among designers, engineers, and architects as well as seeks to create a positive attitude towards this innovative material and its effects on the construction industry. These efforts can contribute to sustainable development and optimization of construction processes and ultimately lead to the improvement of the quality of human life.

کلیدواژه‌ها English

Ultra-High Performance Concrete
Construction Industry
Mix Design
Durability
Bridge
[1] E. Dong, R. Yu, D. Fan, Z. Chen, and X. Ma, "Absorption-desorption process of internal curing water in ultra-high performance concrete (UHPC) incorporating pumice: From relaxation theory to dynamic migration model," Cement and Concrete Composites, vol. 133, p. 104659, 2022.
[2] S. Wang et al., "Ultra-high performance concrete: Mix design, raw materials and curing regimes-A review," Materials Today Communications, vol. 35, p. 105468, 2023.
[3] J. Resplendino, S. TPI, and F. Vitrolles, "French recommendations and feedback of experience on ultra high performance fiber-reinforced concrete (UHPFRC)," in Proc. of 1st ACI-fib FRC Workshop, 2014, pp. 44-57.
[4] J. Min et al., "The effect of carbon dioxide emissions on the building energy efficiency," Fuel, vol. 326, p. 124842, 2022.
[5] M. Amran, S.-S. Huang, A. M. Onaizi, N. Makul, H. S. Abdelgader, and T. Ozbakkaloglu, "Recent trends in ultra-high performance concrete (UHPC): Current status, challenges, and future prospects," Construction and Building Materials, vol. 352, p. 129029, 2022.
[6] M. Khan and C. McNally, "Recent developments on low carbon 3D printing concrete: Revolutionizing construction through innovative technology," Cleaner Materials, p. 100251, 2024.
[7] M. Zhou, W. Lu, J. Song, and G. C. Lee, "Application of ultra-high performance concrete in bridge engineering," Construction and Building Materials, vol. 186, pp. 1256-1267, 2018.
[8] A. M. Zeyad, A. H. Khan, and B. A. Tayeh, "Durability and strength characteristics of high-strength concrete incorporated with volcanic pumice powder and polypropylene fibers," Journal of Materials Research and Technology, vol. 9, no. 1, pp. 806-818, 2020.
[9] C. Umbach, A. Wetzel, and B. Middendorf, "Durability properties of ultra-high performance lightweight concrete (UHPLC) with expanded glass," Materials, vol. 14, no. 19, p. 5817, 2021.
[10] M. Li et al., "A State-of-the-Art Assessment in Developing Advanced Concrete Materials for Airport Pavements with Improved Performance and Durability," Case Studies in Construction Materials, p. e03774, 2024.
[11] Y. Huang, S. Grünewald, E. Schlangen, and M. Luković, "Strengthening of concrete structures with ultra high performance fiber reinforced concrete (UHPFRC): A critical review," Construction and Building Materials, vol. 336, p. 127398, 2022.
[12] R. Martins, R. do Carmo, H. Costa, and E. Júlio, "Low cement concretes with ultra-high durability for innovative composite lightweight precast walls," Journal of Building Engineering, vol. 86, p. 108922, 2024.
[13] V.-Y. Lei, B. Nematollahi, A. B. M. Said, B. A. Gopal, and T. S. Yee, "Application of Ultra High Performance Fiber Reinforced Concrete –The Malaysia Perspective," International Journal of Sustainable Construction Engineering and Technology, vol. 3, no. 1, pp. 26-44, 2012.
[14] BS1881-Part 114, 1983. Testing concrete. Methods for determination of density of hardened concrete. British Standard, British Standards Institution, ISBN. 0-580-12948-9, 8 pp.
[15] AS 1012.9, 1999. Determination of the compressive strength of concrete specimens. Australian Standard, Standards Australia, 12 pp.
[16] BS6319-2, 1983. Testing of resin and polymer/cement compositions for use in construction. Method for measurement of compressive strength. British Standard, British Standards Institution, 4 pp.
[17] AS1012.16, 1996. Determination of creep of concrete cylinders in compression. Australian Standard, Standards Australia, 8 pp.
[18] BS1881-Part 121, 1983. Testing concrete. Methods for determination of static modulus of elasticity in compression. British Standard, British Standards Institution, 7 pp.
[19] BS EN 12390-6, 2000. Testing hardened concrete. Tensile splitting strength of test specimens. British Standard, British Standards Institution, ISBN: 0-580-36606-5, 14pp .
[20] ASTM C496, 2004. Standard test method for splitting tensile strength of cylindrical concrete specimens. ASTM Standards, ASTM International, United States, 5 pp.
[21] ASTM-C1018, 1997. Standard test method for flexural toughness and first crack strength of fiber reinforced concrete (using beam with third point loading). ASTM Standards, ASTM International, United States, 8 pp.
[22] ASTM C1202, 2005. Standard test method for electrical indication of concrete's ability to resist chloride ion penetration. ASTM Standards, ASTM International, West Conshohocken, PA, 6 pp.
[23] ASTM C1556, 2004. Standard test method for determining the apparent chloride diffusion coefficient of cementitious mixtures by bulk diffusion. ASTM Standards, ASTM International, United States, 7 pp.
[24] BS EN 14630, 2006. Products and systems for the protection and repair of concrete structures. Test methods. Determination of carbonation depth in hardened concrete by the phenolphthalein method. British Standard, British Standards Institution, ISBN: 0-580-49622-8, 12 pp.
[25] ASTM C944-99, 2005. Standard test method for abrasion resistance of concrete or mortar surfaces by the rotating-cutter method. ASTM Standards, ASTM International, United States, 4 pp.
[26] BS1881-Part 122, 1983. Testing concrete. Method for determination of water absorption. British Standard, British Standards Institution, ISBN: 0-580-12959-4, 4 pp.
[27] ACI. (2018). ACI 239R-18: Ultra-High Performance Concrete: An Emerging Technology Report.USA: Farmington Hills.
[28] H. Huang, X. Gao, H. Wang, and H. Ye, "Influence of rice husk ash on strength and permeability of ultra-high performance concrete," Construction and Building Materials, vol. 149, pp. 621-628, 2017.
[29] N. M. Azmee and N. Shafiq, "Ultra-high performance concrete: From fundamental to applications," Case Studies in Construction Materials, vol. 9, p. e00197, 2018.
[30] M. Bajaber and I. Hakeem, "UHPC evolution, development, and utilization in construction: A review," Journal of Materials Research and Technology, vol. 10, pp. 1058-1074, 2021.
[31] P. R. Prem, A. Ramachandra Murthy, and B. H. Bharatkumar, "Influence of curing regime and steel fibres on the mechanical properties of UHPC," Magazine of Concrete Research, vol. 67, no. 18, pp. 988-1002, 2015.
[32] M. Hafezolghorani and Y. L. Voo, "Design of 38m span post-tensioned ultra high performance fiber-reinforced concrete (UHPFRC) composite bridge," in IOP Conference Series: Materials Science and Engineering, 2018, vol. 431, no. 4: IOP Publishing, p. 042007.
[33] E. Vonk, "Innovative Approaches to Steel Bridge Repair and Strengthening Around the Globe," Structural Engineering International, vol. 29, no. 4, pp. 537-541, 2019.

  • تاریخ دریافت 03 آذر 1403
  • تاریخ بازنگری 11 دی 1403
  • تاریخ پذیرش 17 فروردین 1404