建设工程管理专业教学61课件讲解.ppt

**llllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll**8.1金属结构工程8.1.2工程量计算规则金属结构制作、安装工程量，按图示钢材尺寸以质量计算，不扣除孔眼、切边的质量。焊条、铆钉、螺栓等质量己包括在定额内，不另计算。计算不规则或多边形钢板质量时，均以其最大对角线乘以最大宽度的矩形面积计算。多边形钢板质量=最大对角线长度×最大宽度×面密度(kg/m2)不规则或多边形钢板按矩形计算，如图所示，即S=A×B。18.1.2工程量计算规则不规则或多边形钢板实腹柱、吊车梁、H型钢等均按图示尺寸计算，其腹板及翼板宽度按每边增加25mm计算。钢柱制作、安装工程量，包括依附于柱上的牛腿、悬臂梁及柱脚连接板的质量。4钢管柱制作、安装执行空腹钢柱子目，柱体上的节点板、加强环、内衬管、牛腿等依附构件并入钢管柱工程量内。325计算钢屋架、钢托架、天窗架工程量时，依附其上的悬臂梁、檩托、横档、支爪、檩条爪等分别并入相应构件内计算。6制动梁的制作安装工程量包括制动梁、制动桁架、制动板质量。7钢墙架的制作工程量包括墙架柱、墙架梁及连接柱杆质量。8钢筋混凝土组合屋架钢拉杆，按屋架钢支撑计算。9钢漏斗的制作工程量，矩形按图示分片，圆形按图示展开尺寸，并以钢板宽度分段计算，每段均以其上口长度（圆形以分段展开上口长度）与钢板宽度，按矩形计算，依附漏斗的型钢并入漏斗重量内计算。**llllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll**