Pengertian Dan Fungsi Beton Prategang

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(c) Dengan mensubsitusikan nilai-nilai tegangan batas, ??? = 0,



??? = −1,4

??? = ??? = 16,0 ?/??2, Dalam Persamaan 12.16 dan 12.18, batas-batas kabel diperoleh, ?? ?????ℎ ??????? ? ≤[

?? ??? ?? ???? − + ] ? ? ?

39 × 107 × 16 39 × 107 4820 × 106 ≤[ − + ] ≤ 1015 ?? 7900 × 103 1,0165 × 106 7900 × 103 ???

? ≥[

?? ??? ?? ?? − + ] ? ? ?

39 × 107 × (−1,4) 39 × 107 9394 × 106 ≥[ − + ] ≥ 784 ?? 0,8 × 7900 × 103 1,0165 × 106 0,8 × 7900 × 103

???? ????????? ?? ???? ??????? ? ≤ (790 − 385) ≤ 405 ?? ???

? ≥ (−86 − 810) ≥ −696 ??

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