TINH TOAN BTCT THEO ACI-NGUYEN TRUNG HOA.pdf
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Transcript of TINH TOAN BTCT THEO ACI-NGUYEN TRUNG HOA.pdf
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ung suat BT tai vi tri tren cung tho chiu nen
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fs=(M/(pjbd^2) Ung suat thep tai vi tri trong tam (qui doi)cac thanh thep
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TRUONG HOP PHA HOAI 2: Tho bien chiu nen cua BT dat den f'c
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TRUONG HOP PHA HOAI 1: fs=fy
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Khong che de cho 2 kieu pha hoai dien ra dong thoi
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Mn duoc tinh khi p<pb, khi do trang thai toi han la do thep bi pha hoai
