midas施工阶段分析(5)

Tendon Name ( Tendon ) ; Tendon Type>Internal Material>2: Tendon Total Tendon Area (0.0042997)

or

Tendon Area>15.2mm(0.6＂) Number of Tendon Area ( 31 ) ?

Duct Diameter (0.133) ; Relaxation Coefficient (45)?

Curvature Friction Factor (0.3) ; Wobble Friction Factor (0.0066)

Ultimate Strength (190000) ; Yield Strength (160000) Load Type>Post-Tension

Anchorage Slip>Begin (0.006) ; End (0.006) ?

图16. 输入钢束特性值

19

?

钩选固定(fix)的话该点的斜率为所输入的值，若不选则生成拥有适当斜率的曲线。

输入钢束形状

首先输入第一跨的钢束形状。

Hidden(on) ;

Element Number (on) ;

Node Number (off)

Model / Loads / Prestress Loads / Tendon Profile

Tendon Name (Tendon 1) ; Tendon Property>Tendon Select Window (Elements : 1 to 18) Straight Length of Tendon>Begin (0) ; End (0) Profile

1>x ( 0 ), y ( 0 ), z ( 1.5 ), fix (off)?

2>x ( 12 ), y ( 0 ), z ( 0.2 ), fix (on), Ry ( 0 ), Rz ( 0 ) 3>x ( 30 ), y ( 0 ), z ( 2.6 ), fix (on) , Ry ( 0 ), Rz ( 0 ) 4>x ( 36 ), y ( 0 ), z ( 1.8 ), fix (off) Tendon Shape>Straight Profile Insertion Point ( 0, 0, 0)

?

X Axis Direction>X ?

图17. 定义钢束形状 20

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