مهندسی سازه و ساخت

مهندسی سازه و ساخت

تأثیر ورق‌های فولادی موج‌دار بر عملکرد دیوار برشی مرکب دارای بازشو

نوع مقاله : علمی - پژوهشی

نویسندگان
1 دانشجوی کارشناسی ارشد، دانشکده فنی و مهندسی، گروه مهندسی عمران، مجتمع آموزش عالی بم، بم ، ایران
2 استادیار، دانشکده فنی و مهندسی، گروه مهندسی عمران، مجتمع آموزش عالی بم، بم ، ایران
چکیده
دیوارهای برشی مرکب دارای ورق فولادی موجدار یکی از سیستم‌های نوین مقاوم‌سازی و باربری در سازه‌ها است که از ترکیب بتن و فولاد برای بهبود عملکرد لرزه‌ای و افزایش مقاومت در برابر بارهای جانبی استفاده می‌کند. در این پژوهش، تأثیر پارامترهای مختلف بر روی عملکرد دیوارهای برشی مرکب دارای ورق فولادی موجدار همراه با بازشو مورد بررسی قرار می‌گیرد. برای این منظور ابتدا یک نمونه آزمایشگاهی دیوار برشی مرکب با ورق فولادی موجدار صحت سنجی شده است سپس آنالیز حساسیت بر روی ابعاد و نوع المان مورد استفاده در آنالیز انجام شده است. در ادامه 32 مدل عددی در سه تیپ به بررسی پارامترهای شکل هندسی و درصد بازشو، ضخامت و جهت‌ ورق فولادی موجدار و مقدار بار فشاری محوری می‌پردازند. برای انتخاب مدل بهینه، پارامترهای لرزه‌ای شامل سختی، مقاومت، شکل‌پذیری و جذب انرژی مدل‌ها مورد بررسی قرار گرفته شده است. نتایج این مطالعه نشان می‌دهد که استفاده از ورق‌های فولادی موج‌دار با جهت موج قائم و بازشوهای دایره‌ای شکل، باعث افزایش قابل توجهی در سختی، مقاومت نهایی و توانایی جذب انرژی دیوار می‌شود. همچنین، افزایش نسبی بار فشاری محوری تا حد مشخصی، سبب بهبود این پارامترها می‌شود. با این حال، بیشترین میزان شکل‌پذیری در شرایطی مشاهده شد که نسبت بار فشاری محوری برابر با 2/0 باشد.
کلیدواژه‌ها

موضوعات


عنوان مقاله English

Effect of Corrugated Steel Sheets on the Performance of Composite Shear Wall with Openings

نویسندگان English

Hadi Drijani 1
Hamzeh Dehghani 2
1 Master of Structural Engineering, Faculty of Engineering. Department of Civil Engineering, Higher education complex of Bam, Bam, Iran
2 Assistant Professor, Faculty of Engineering.Department of Civil Engineering, Higher education complex of Bam, Bam, Iran
چکیده English

Corrugated steel plate composite shear walls are among the modern systems for strengthening and load-bearing in structures, combining concrete and steel to enhance seismic performance and increase resistance against lateral loads. This study investigates the impact of various parameters on the performance of corrugated steel plate composite shear walls with openings. For this purpose, an experimental composite shear wall with corrugated steel plates is initially validated. Subsequently, sensitivity analysis is then performed on the dimensions and types of elements used in the analysis. 32 numerical models in three types are analyzed to examine the effects of geometric shape and size of the openings, thickness and orientation of the corrugated steel plates, and the magnitude of axial compressive load. To identify the optimal model, seismic parameters such as stiffness, strength, ductility, and energy absorption capacity are evaluated. The results reveal that utilizing corrugated steel plates with vertical corrugations and circular openings significantly enhances the stiffness, ultimate strength, and energy absorption capacity of the wall. Furthermore, a relative increase in axial compressive load up to a certain limit improves these parameters. However, the highest ductility was observed when the axial compressive load ratio was 0.2.

Keywords: Corrugated steel plate , Composite shear wall. Energy absorption . Ultimate strength,Seismic Performance

کلیدواژه‌ها English

Corrugated steel plate
Composite shear wall
Energy absorption
Ultimate strength
Seismic Performance
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  • تاریخ دریافت 29 خرداد 1404
  • تاریخ بازنگری 28 تیر 1404
  • تاریخ پذیرش 29 مرداد 1404