联系人 Mr. Alex
Wangchen road ,Luolong district ,, Luoyang, Henan
Prestressed hollow anchor bolt consists of steel shell-expansion anchor head, hollow anchor rod, grouting stopper, arch plate and nut. Coupling and grouting block are optional. It is designed for hard rock at fractured zone with growing joints which may cause loosing of fractured rock and reducing of friction between rocks, resulting in loosing of surrounding rocks in larger area. Applying enough pre-stress would keep its stability.
Construction method:
1） drill the hole and clean
2） insert the anchor bolt to the hole bottom
3） pre-stress the anchor rod and assure the anchor head contacting closely with hole bottom, then rotates the anchor rod until it is fastened, and install stopper, plate and nut;
4） apply pre-stress to the designed value ,use the stretching gauge of anchor bolt or spanner;
5） Connect of grouting joints to grout
Specification:
|
specification |
GY*5 |
GY*8 |
GY*2 |
|
external diameter（mm） |
*5 |
*8 |
*2 |
|
Breaking load（KN） |
≥******0 |
≥******0 |
≥******0 |
|
Interior diameter（mm） |
≥*5 |
≥*7 |
≥*2 |
|
|
| 国家: | China |
| 型号: | GY |
| 离岸价格: | 1 ~ 10 / Meter ( Negotiable ) 获取最新报价 |
| 位置: | China |
| 最小订单价格: | 1 per Meter |
| 最小订单: | 1000 Meter |
| 包装细节: | bundle |
| 交货时间: | 20 days |
| 供应能力: | 100000 Set per Month |
| 付款方式: | T/T |
| 產品組 : | rock bolt |
