2014年10月9日 · Its differently defined in mathcad than you thought: But if you like it the other way, its simple to redifine rpm (maybe somewhere at the top in a collapsed area)

2014年8月1日 · There is a built-in frequency unit "rpm" which I am assuming stands for "revolutions per minute". But in MathCAD Prime 3.0 I am finding that 1 rpm is equal to 6.238/min or 0.105/sec. But my understanding of revolutions per minute is that it shoud be equal to 1/min or 0.017/sec. To put it differen...

Opg 1.2 Angiv forslag til strømtransformere og relæbeskyttelse af transformer T1 samt foretag de nødvendige indstillinger af konstanttidsrelæet.

v≔1 Weight factor for increasing development and splice lengths kw = 1 for normal weight and kw =1.3 for lightweight aggregate concrete (ACI 318, 12.2.4.2): k w≔1 Modulus of elasticity of reinforcement (ACI 318, 8.5.2): E s≔29000⋅ Strain in concrete at compression failure (ACI 318, 10.3.2): ε c≔0.003 Strength reduction factor for flexure

Shear strength reduction factor for lightweight concrete kv 1 for normal weight, 0.75 for all-lightweight and 0.85 for sand-lightweight concrete (ACI 318, 11.2.1.2.): k v 1 Weight factor for increasing development and splice lengths kw =1 for normal weight and 1.3 for lightweight aggregate concrete (ACI 318, 12.2.4.2): k w≔1

7HQVLOH0RGXOXV 2.40 GPa 348 ksi 1 mm/min; ISO 527)OH[XUDO0RGXOXV 2.30 GPa 334 ksi 2 mm/min; ISO 178

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min≔1.10⋅ = ⎛ ⎜ ⎝ ――――――⋅ 800 ⋅+0.005 f y 36000⋅ max⎛⎝L n 0 ⎞ ⎠ ⎞ ⎟ ⎠ 9.277 Since slab thickness is customarily uniform for flat plates, the minimum thickness will be the larger thickness required for either the interior or exterior span or the absolute code minimum of 5 inches: h e≔Ext_h min h i≔ ...

2019年9月29日 · Please let me know if you find errors or want to improve the code (calculation time is around 1 min for a 5-spans beam). Alvaro Gavilán (edited 30-09-19: tolerance adjusted in 9. Shear force equation)

concrete kv = 1 for normal weight, 0.75 for all-lightweight and 0.85 for sand-lightweight concrete (ACI 318, 11.2.1.2.): k v≔1 Weight factor for increasing development and splice lengths kw = 1 for normal weight and 1.3 for lightweight aggregate concrete (ACI 318, 12.2.4.2): k w≔1