chuong 1-phan 1-nen dung tam

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12/31/2013 1 CHƯƠNG 1. N ĐNH CA CT VÀ THANH NÉN 1. MỞĐU  V n đề n định ca thanh nén và vn đề được nghiên cu lâu năm  toàn din trong môn SBVL. Khi đầu t Euler năm 1744  gii quyết  bài toán vscân bng ca thanh chu nén, sau hơn hai  trăm năm, đến  n ay  vn tiếp tc   nhng  nghiên  cu  và thành tu mi trong l ĩ nh vc này. Đây cũng   mt  trong  nhng vn đề   nhiu   thuyết khác nhau và y  nhi u tholu n tr anh cãi.

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