
——桩身拉力设计值;
——预应力钢筋抗拉强度设计值;
——预应力钢筋总面积;
——非预应力钢筋抗拉强度设计值;
——非预应力钢筋总面积。


——桩身弯矩设计值;
——混凝土轴心抗压强度设计值;
,
——桩身截面的内、外半径;
——预应力钢筋抗压强度设计值;
——混凝土矩形应力图的应力值与轴心抗压强度设计值之比;
——纵向预应力钢筋分布圆的半径;
——预应力钢筋有效预应力;



|
桩型号
|
预应力钢筋配筋
|
非预应力钢筋配筋
|
桩身开裂弯矩(一级裂缝)(kN•m)
|
桩身极限弯矩标准值(kN•m)
|
|
PHC-500(100)AB
|
11Ф10.7
|
—
|
138
|
236
|
|
PRHC 500(100)I
|
11Ф10.7
|
1110
|
140
|
303
|
|
PRHC 500(100)II
|
11Ф10.7
|
11 14
|
142
|
354
|
|
PRHC 500(100)III
|
11Ф10.7
|
11 16
|
143
|
385
|
|
桩型号
|
试验开裂弯矩(kN•m)
|
试验渗水弯矩(kN•m)
|
试验极限弯矩(kN•m)
|
|
|
PHC-500(100)AB
|
162
|
189
|
>210
|
|
|
PRHC 500(100)I
|
—
|
—
|
—
|
|
|
PRHC 500(100)II
|
185
|
265
|
>354
|
|
|
PRHC 500(100)III
|
—
|
—
|
—
|


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