
FAQ of DUO PLATE1. What is Combi Plate and how does it make ? Duo Plate is a one of combination plate which used together with Split Set bolt in ground support application to offer an perfect support performance to the rocks, It is widely used in mining, tunnel and slope projects etc. Duo Plate made by two parts, one dome plate incorporated on a strata plate by pressing or welding.2. How to use and assemble ? Duo plate will drive together with split set bolt onto the rock and mesh surface while the rock is ready with the hole, when split set bolt drived in the hole, Duo Plate is also drived in and attached tightly onto the rock surface to make a good performance in ground support system.
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| Code | Bottom Plate | Top Plate | Hole Dia. | Combination | ||||||||
| Size | Finish | Size | Finish | |||||||||
| DP-150-15B | 280x300x1.5 | black | 125x125x4 | black | 36, 42, 49 | Pressing / Welding | ||||||
| DP-150-15G | 280x300x1.5 | Pre-Galv | 125x125x4 | HDG | 36, 42, 49 | Pressing / Welding | ||||||
| DP-150-15D | 280x300x1.5 | HDG | 125x125x4 | HDG | 36, 42, 49 | Pressing / Welding | ||||||
| DP-150-16B | 280x300x1.6 | black | 125x125x4 | black | 36, 42, 49 | Pressing / Welding | ||||||
| DP-150-16D | 280x300x1.6 | HDG | 125x125x4 | HDG | 36, 42, 49 | Pressing / Welding | ||||||
| DP-150-19B | 280x300x1.9 | black | 125x125x4 | black | 36, 42, 49 | Pressing / Welding | ||||||
| DP-150-19D | 280x300x1.9 | HDG | 125x125x4 | HDG | 36, 42, 49 | Pressing / Welding | ||||||
| DP-150-20B | 280x300x2.0 | black | 125x125x4 | black | 36, 42, 49 | Pressing / Welding | ||||||
| DP-150-20G | 280x300x2.0 | Pre-Galv | 125x125x4 | HDG | 36, 42, 49 | Pressing / Welding | ||||||
| DP-150-20D | 280x300x2.0 | HDG | 125x125x4 | HDG | 36, 42, 49 | Pressing / Welding | ||||||
Duo Plate need to make load test to be sure it has the designed bearing capacity, different type of Duo Plate will give the different result of load testing, and it depends on the material thickness and profile of dome plate and strata plate.