常用钢筋锚固长度.doc

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1、受拉钢筋抗震锚固长度一览表本工程为二级抗震结构，非特殊环境，常用受拉钢筋锚固长度如下：钢筋种类砼等级钢筋直径锚固长度钢筋种类砼等级钢筋直径锚固长度HRB400C4012mm400.2mmHRB400C3512mm441.6mm14mm466.9mm14mm515.2mm16mm533.6mm16mm588.8mm18mm600.3mm18mm662.4mm20mm667mm20mm736mm22mm733.7mm22mm809.6mm25mm833.75mm25mm920mmHRB400C3012mm483mmHRB400C2512mm552mm14mm563.5m

2、m14mm644mm16mm644mm16mm736mm18mm724.5mm18mm828mm20mm805mm20mm920mm22mm885.5mm22mm1012mm25mm1006.25mm25mm1150mmHPB300C4012mm345mmHPB300C3512mm386.4mm14mm402.5mm14mm450.8mm16mm460mm16mm515.2mm18mm517.5mm18mm579.6mm20mm575mm20mm644mm22mm632.5mm22mm708.4mm25mm718.75mm25mm805mmHPB300C3012mm

3、414mmHPB300C2512mm469.2mm14mm483mm14mm547.4mm16mm552mm16mm625.6mm18mm621mm18mm703.8mm20mm690mm20mm782mm22mm759mm22mm860.2mm25mm862.5mm25mm977.5mm注：1、计算式：LaE=ζaE×ζa×lab(LaE=ζaE×La，La=ζa×lab)2、其中ζa为受拉钢筋锚固长度修正系数，ζaE为抗震锚固长度修正系数。3、以上数据仅供参考。