مهندسی سازه و ساخت

مهندسی سازه و ساخت

چاپ سه بعدی بتن : مروری بر طرح اختلاط، راهبردهای مسلح سازی و هندسه نازل

نوع مقاله : علمی - پژوهشی

نویسندگان
1 دانشیار، دانشکده فنی مهندسی گروه عمران، دانشگاه بین المللی امام خمینی (ره)، قزوین، ایران
2 دانشجوی دکترا، دانشکده فنی مهندسی گروه عمران، دانشگاه بین المللی امام خمینی (ره)، قزوین، ایران
3 کارشناسی ارشد، دانشکده محیط زیست، دانشکده فنی، دانشگاه تهران، تهران، ایران
چکیده
چاپ سه بعدی بتن در کاربردهای ساختمانی یکی از حوزه های خلاقانه و چالش برانگیز است که دانش ساخت و ساز سنتی را با فناوری های دیجیتال ترکیب می کند. حذف قالب، کاهش هزینه و نیروی انسانی مورد نیاز و چندین مزیت عمده ی دیگر، تمرکز بر این حوزه را بیشتر نموده است. در این صنعت که دارای پتانسیل ویژه ای در ساخت سریع و انبوه، و معماری های پیچیده است، چالش های بسیاری مانند رعایت الزامات رئولوژیکی، پیوند بین لایه، مواد مورد استفاده و تقویت آن ها و رفتار ناهمسانگرد مواد وجود دارد. از گذشته تا به امروز عملکرد سازه های ساخته شده، همواره حاصل تعاملی بین فولاد و بتن بوده است. با توجه به کاربرد های عملی این فناوری ، ساخت موادی سازگار و استفاده از سیستم های تقویت کننده مانند الیاف و آرماتورها و حفظ تعامل مناسب بین آنها از جمله موضوعات مورد توجه محققین در این حوزه می باشند. این مقاله نمونه هایی از روند تحقیقاتی در این حوزه را به همراه تجزیه و تحلیل آن ها، مرور می کند و از آنجا که با هدف معرفی این تکنولوژی و چالش های آن به نگارش در آمده است، زمینه ای الهام بخش را برای آشنایی هر چه بیشتر مخاطبان با اهداف متضاد در تولید بتن مناسب، برای بهبود قابلیت و کیفیت چاپ فراهم می سازد.
کلیدواژه‌ها
موضوعات

عنوان مقاله English

3D Concrete Printing: Review of Mix Design, Reinforcement Strategy, Nozzle Geometry

نویسندگان English

Ramezan Ali Izadifard 1
zeinab gharianpour 2
amir zahraei salehi 3
1 Associate Professor, Department of Civil Engineering, Faculty of Technical & Engineering, Imam Khomeini International University, Qazvin, Iran
2 Ph.D. student, Department of Civil Engineering, Faculty of Technical & Engineering, Imam Khomeini International University, Qazvin, Iran
3 Masters of Science, School of Environment, College of Engineering, University of Tehran, Tehran, Iran
چکیده English

The use of 3D printing concrete in construction applications is one of the most innovative and challenging fields, combining traditional construction knowledge with digital technologies. The focus on this area has increased due to removing the molds, reducing the cost, needed human resources, and other important advantages. There are many challenges such as rheological requirements, bonding between layers, materials used, their reinforcement, and anisotropic behaviors in this industry which has a special potential in fast and mass construction, and complex architectures. Throughout history up to current times, the performance of the built structures has always been the result of the interaction between steel and concrete. According to the practical applications of this technology, manufacturing compatible materials, using reinforcing systems such as fibers and steel rebars, and maintaining proper interaction between them, are fascinating subjects that attract the attention of researchers in this field. The examples of the research processes along with their analysis are reviewed in this article. since this article was written to introduce this technology and its challenges, it provides a source of inspiration, for getting to know the audience as much as possible, with conflict goals of producing suitable concrete to improve the ability of printing and its quality.

کلیدواژه‌ها English

3D Printing
Concrete
Material Properties
Additive Manufacturing
Reinforcement Strategy
Fiber Reinforcement
Printable Concrete
Nozzle Geometry
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  • تاریخ دریافت 23 آذر 1401
  • تاریخ بازنگری 20 فروردین 1402
  • تاریخ پذیرش 28 فروردین 1402