2020-05-04 16:49:51 点击数:
D1 | D2 | D3 | D4 | D5 | LENGTH | 良好基材上的 标准钻孔直径 |
|
RWT 15 | 15mm | 15mm | 1.5mm | 28mm | 3mm | as required | 30mm |
RWT 20 | 20mm | 20mm | 2.0mm | 36mm | 3mm | as required | 40mm |
WSA 30 | 30mm | 30mm | 3.0mm | 52mm | 3-4mm | as required | 60mm |
采用有压痕的圆形空心管锚杆加固变形严重的石砌墙体