Home > Products > Mining Rock Anchor Bolts > Deformed steel Bar Resin anchor bolt for mine and tunnel
Deformed steel Bar Resin anchor bolt for mine and tunnel
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Product Details
| Place of Origin | Shandong, China | Brand Name | QL | |
| Model Number | prestress | Standard | GB |
Product Description
Deformed steel Bar Resin anchor bolt for mine and tunnel
Brief introduction
Self drilling rock anchor bolt is a bolting solution for unstable ground conditions such as sand, gravel, silt, and clays, and in soft to medium fractured rock formations.
For projects facing above geo-conditions, hollow bar self-drilling anchor should be considered as the main solution cuz it's designed for optimized installation, tailored to the project's needs.
By drilling a hole in collapsing soil or loose lock, with a sacrificial drill bit an a hollow bar, and after the drilling operation injecting cementitious grout or resin into the hollow bar and surrounding cavity, it's a top solution choice.
FEATURES :
(1) In the longitudinal direcition , rock body has equal tensile strength ,that is about 40% higher than the reverse-twist bolt in the same specification .
(2) Extend the support area , not only be used by end anchoring ,but also be used by fully anchoring ,that has a better support efficiency .
(3)Low price, widely used in coal mines, railways, hydropower and other types of roadway projects.
finish:yellow/blue/white zinc plated, hot dip galvanized
Test anchoring force
| Type | METAL BAR Diameter(mm) | anchoring KN | ||||
| deformed steel bar 6s≥335MPa | φ22 | >125 | ||||
| φ20 | >105 | |||||
| φ18 | >85 | |||||
| φ16 | >75 | |||||
| round steel bar 6s≥235MPa | φ22 | >90 | ||||
| φ20 | >70 | |||||
| φ18 | >60 | |||||
| φ16 | >50 | |||||
,
Specification:
| d | length | ||||||
| 1400 | 1600 | 1800 | 2000 | 2200 | 2400 | 2600 | |
| φ16 | - | + | + | + | - | - | - |
| φ18 | - | + | + | + | + | - | - |
| φ20 | - | - | + | + | + | + | - |
| φ22 | - | - | - | + | + | + | + |
Contact Us
- Shandong Xintai Qiangli Chain Co., Ltd.
- Contact namechao cheng Chat Now
- Phone086-0538-6325988
- AddressGuodu Town Industrial Park
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