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Continuous Thread Bolts (CTB)↑  in bolth civil and mining projec ✔₹t applications

[ Time:2019-07-23 Click:941♦€♥∑ ]


 

rock bolt3

 

 

 

LT Continuous Thread$↔ Bolts (CTB) have bee€‌±n designed to take the worry out of com‍ plex bolting application'γΩs in both civil and mining project app ®€¶lications.

 

This versatile bolt can be use≥≤d for mining roof/ri¥α 'b support or in civil cons∏π★truction for tunneling and slop∞"∏εe stabilization projec≈"✘ts. LT Continuous Th♥ ✘§read Bolts work much like tension reba>'r bolts, but with the added benefit★↓♠≤ of being threaded tγ¶‍he entire length of th→¶ε©e bar, thus allowing f₽Ωor more versatility §₹∏if ground conditions or roof contr••ol plans change down the road. Tyδσσpical installation re₩↓ quires simple common δ★→•equipment for installation.

 

 Installation Procedureε"s:

1. Drill hole at proper ±ε‍¥diameter and depth

2. Make hole depth 1∑≈" longer than the bolt

3. Insert appropriate resiλ©n cartridge

4. Insert CTB and bearing plate to✘$♥ within 1/16" to 1/1≤ ↔9" of the roof line

5. Rotate CTB bolt to ensure complete m™✔ixing of resin

6. Stop rotation, hold®→✔ bolt in place for speשcified resin set time

7. Torque CTB bolt to pδσ★re-determined torque value in a♦¥‍•ccordance with approved ro±✘of/ground control plan

 

Application:

-Deep excavation support

-Roof and wall suppo±→rt

-Rock bolting

-Slope stabilization

-Soil nailing

 

Material Specification:

Bar Diameter: 19 22 25 28 32 35× mm;

Min Yield Strength, Rε₹el: 600MPa, 700MPa, 785MPa, 830MPa,>'λ← or technical requireme¥↔γ→nts;

Min Tensile Strength, Rm: 750MPa"‌, 850MPa, 930MPa, 1030MPa, or techn →≠✘ical requirements;

Min Elongation Rate After Fracture'β©Ω, A %:  19;

Min Elongation Rate Under Maximum ↕★↓Force, Agt %: 9

Impact Energy, kv²<¥₽: 90J

 

 

LUAN


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