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Class A and AA Concrete Properties
Hi, Does anyone know the properties of Class A and AA Concrete properties (Stength and Young's Modulus)? Thanks in advance. Jack- jackzhong
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- Replies: 3
- Forum: Structural engineering general discussion
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How to print an array with variable dimensions in VB
Does anyone know how to print an array with variable dimensions in VB? The following code won't do what I want, it outputs only one column, not rj (10 here) columns. Open "debug.txt" For Output As #1 rm=10 rj=10 For i = 1 To rm For j = 1 To rj Print #1, my_array(i,j)...- jackzhong
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- Replies: 1
- Forum: Microsoft Visual Basic
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Steel axial compression equation
In ASD steel manual, ninth edition, page 5-54, equation H1-1: fa/Fa+Cmx fbx/((1-fa/Fex')Fbx) +Cmy fby/((1-fa/Fey')Fby)<=1.0 Should "Cm/(1-fa/Fex')" or "Cm/(1-fa/Fey')" be always greater than 1.0? Jack McCormac's "structural steel design ASD method" book metioned...- jackzhong
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- Replies: 2
- Forum: Structural engineering general discussion
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Factor k in the correlation of OCR with CPT data
Normally soil overconsolidation ratio (OCR) is related to CPT data as: OCR = k (qc - rD)/(r'D) Where qc = cone resistance r = soil unit weight r' = effective soil unit weight D = penetration k = constant Several references mentioned that the range of k is 0.2...- jackzhong
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- Replies: 1
- Forum: Foundation engineering
