等级：4.8级；抗拉强度设计值200 N/mm2等级：5.8级；抗拉强度设计值240 N/mm2等级：6.8级；抗拉强度设计值300 N/mm2等级：8.8级；抗拉强度设计值400 N/mm2Sheet1螺栓规格M16M18M20M22M24M27M30M36M42M48M56M60M64M68M72M76螺栓直径（mm）13.415.29416.7518.7520.123.125.4530.836.1641.5148.8652.8556.2160.2164.2168.21承载力设计值（N）282053674144070552236346183819101740149012205388270660374996438742496303569452647627730829螺栓规格M16M18M20M22M24M27M30M36M42M48M56M60M64M68M72M76螺栓直径（mm）13.415.29416.7518.7520.123.125.4530.836.1641.5148.8652.8556.2160.2164.2168.21承载力设计值（N）3384644090528846626776154100583122089178814246466324792449995526491595563683342777152876995螺栓规格M16M18M20M22M24M27M30M36M42M48M56M60M64M68M72M76螺栓直径（mm）13.415.29416.7518.7520.123.125.4530.836.1641.5148.8652.8556.2160.2164.2168.21承载力设计值（N）42307551126610582834951921257281526112235183080834059915624946581137444548541789714411096244螺栓规格M16M18M20M22M24M27M30M36M42M48M56M60M64M68M72M76螺栓直径（mm）13.415.29416.7518.7520.123.125.4530.836.1641.5148.8652.8556.2160.2164.2168.21承载力设计值（N）564107348388141110446126923167638203481298024410777541321749992877485992606113890412952541461658等级：Q235钢；抗拉强度设计值160N/mm2螺栓规格M16M18M20M22M24M27M30M36M42M48M56M60M64M68M72M76螺栓直径（mm）13.415.29416.7518.7520.123.125.4530.836.1641.5148.8652.8556.2160.2164.2168.21承载力设计值（N）22564293933525644178507696705581392119209164311216528299996350994397042455561518101584663等级：35号优质碳素钢；抗拉强度设计值190 N/mm2螺栓规格M16M18M20M22M24M27M30M36M42M48M56M60M64M68M72M76螺栓直径（mm）13.415.29416.7518.7520.123.125.4530.836.1641.5148.8652.8556.2160.2164.2168.21承载力设计值（N）26794349044186752462602887962896653141561195119257127356246416805471488540979694287等级：45号优质碳素钢；抗拉强度设计值215 N/mm2螺栓规格M16M18M20M22M24M27M30M36M42M48M56M60M64M68M76螺栓直径（mm）13.415.29416.7518.7520.123.125.4530.836.1641.5148.8652.8556.2160.2164.2168.21承载力设计值（N）303203949747375593656822190105109371160187220792290960403120471648533525612160696199785641Q345B=Q235B*1.4；M64:39T=390KN设计值=390*1.54=600.6KN地脚螺栓*1.25=孔径615246Page 1M72