幫個忙..很簡單但看不懂 - 土木
By Rosalind
at 2009-11-17T12:21
at 2009-11-17T12:21
Table of Contents
: ◆ From: 61.64.171.234
: 推 lose1019:謝謝你喲^^ 11/17 12:08
: → lose1019:那活載重300kg/m2,面積240cm*420cm,手寫那四行怎麼算的 11/17 12:11
: → lose1019:?你會算嗎@@? 11/17 12:11
S L A B S1 Case 3 S/L= 0.571
S.L.= 2.40 (m) L.L.= 4.20 (m) U.L.= 1.50 (t/m**2) thick= 15.00 (cm)
Steel Area and Spacing for SHORT Direction
- M (cont.) + M - M (discont.)
Coeff. = 0.0813 0.0450 0.0619
Mom (t-m)= 0.7023 0.3888 0.5344
As= 2.486 # 3 @ 28 As= 2.486 # 3 @ 28 As= 2.486 # 3 @ 28
------------------------------------------------------------------------------
Steel Area and Spacing for LONG direction
- M (cont.) + M - M (discont.)
Coeff. = 0.0490 0.0250 0.0370
Mom (t-m)= 0.4234 0.2160 0.3197
As= 2.486 # 3 @ 28 As= 2.486 # 3 @ 28 As= 2.486 # 3 @ 28
U.L=1.50(t/m**2)
==> 1.4 * 0.7 + 1.7 * 0.3 = 1.49 取 1.50.....
版設計去查一查書就有了.....
版需求鋼筋量為#3@28cm 但考量施工性...一般工地的版筋間距都會小於20CM
我覺得你的問題應該是在"主筋#5 箍筋@20cm"
這是什麼鬼東西才對吧~~~
現在設計梁柱 已經沒有用#5
#5 通常只用在假柱 假梁(一般的擴梁...)
你說的不清楚.....so.....
--
: 推 lose1019:謝謝你喲^^ 11/17 12:08
: → lose1019:那活載重300kg/m2,面積240cm*420cm,手寫那四行怎麼算的 11/17 12:11
: → lose1019:?你會算嗎@@? 11/17 12:11
S L A B S1 Case 3 S/L= 0.571
S.L.= 2.40 (m) L.L.= 4.20 (m) U.L.= 1.50 (t/m**2) thick= 15.00 (cm)
Steel Area and Spacing for SHORT Direction
- M (cont.) + M - M (discont.)
Coeff. = 0.0813 0.0450 0.0619
Mom (t-m)= 0.7023 0.3888 0.5344
As= 2.486 # 3 @ 28 As= 2.486 # 3 @ 28 As= 2.486 # 3 @ 28
------------------------------------------------------------------------------
Steel Area and Spacing for LONG direction
- M (cont.) + M - M (discont.)
Coeff. = 0.0490 0.0250 0.0370
Mom (t-m)= 0.4234 0.2160 0.3197
As= 2.486 # 3 @ 28 As= 2.486 # 3 @ 28 As= 2.486 # 3 @ 28
U.L=1.50(t/m**2)
==> 1.4 * 0.7 + 1.7 * 0.3 = 1.49 取 1.50.....
版設計去查一查書就有了.....
版需求鋼筋量為#3@28cm 但考量施工性...一般工地的版筋間距都會小於20CM
我覺得你的問題應該是在"主筋#5 箍筋@20cm"
這是什麼鬼東西才對吧~~~
現在設計梁柱 已經沒有用#5
#5 通常只用在假柱 假梁(一般的擴梁...)
你說的不清楚.....so.....
--
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土木
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