监控杆 抱柱安装支架

3.监控立杆基础：

Monitor the poling basis:

1、没有特殊情况所有监控立杆预埋件混凝土为C25砼，所配钢筋符合国标及受风要求。其中水泥为425号普通硅酸盐水泥。混凝土的配比和最小水泥用量应符合GBJ204-83的规定；预埋件地脚螺栓法兰盘以上的螺

There is no special circumstances all monitoring poling embedded inserts for C25 concrete, concrete reinforced by comply with the requirement of national standard and the wind.The cement is 425 ordinary Portland cement.The ratio of concrete and the minimum cement contents shall comply with the terms of GBJ204-83;Embedded parts above the anchor bolt flange of the screw