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مقررات ملی ساختمان@Building_code P.22251
BUILDING_CODE Telegram 22251
آزمونک شماره ۸۰۶

در ساختمان‌های فولادی در اعضای محوری فولادی با مقطع مختلط محاط در بتن، فاصله آزاد بین میلگردها و مقطع فولادی حداقل باید چقدر باشد؟
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2 برابر قطر میلگرد طولی و از 75 میلی‌متر بزرگتر باشد
1.5 برابر قطر میلگرد طولی و از 75 میلی‌متر بزرگتر باشد
2 برابر قطر میلگرد طولی و از 40 میلی‌متر بزرگتر باشد
1.5 برابر قطر میلگرد طولی و از 40 میلی‌متر بزرگتر باشد
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