如图所示铆钉连接，已知铆钉的直径d=20mm，许用剪应力<img src="https://nimg.ppkao.com/2019-04/xiaotian/2019041116004930307.jpg?sign=822712120e87cf30bec3ec3d49f2b32b&t=62d5bcf7" />=130MPa，许用挤压应力<img src="https://nimg.ppkao.com/2019-04/xiaotian/201904111601008834.jpg?sign=8609807c358861573c4d9c5b7231fe78&t=62d5bcf7" />=300MPa，钢板的许用拉应力<img src="https://nimg.ppkao.com/2019-04/xiaotian/2019041116011120826.jpg?sign=78d8d53c9988a1f4432411007e88f310&t=62d5bcf7" />=170MPa，则该连接的许可荷载[P]为（）<br /> <img src="https://nimg.ppkao.com/2019-04/xiaotian/2019041116012622990.jpg?sign=f3d434a80b2516439fcb152b22f91364&t=62d5bcf7" />