1. Corrosion Resistance:3CR12 stainless steel is known for its excellent corrosion resistance, making it particularly suitable for underground mining environments where exposure to moisture, water, and corrosive elements is common. This resistance helps to maintain the integrity of the split set over time, reducing the risk of degradation and ensuring a longer service life.
2. Strength and Durability:Stainless steel, including 3CR12, is known for its high strength and durability. This is crucial in underground mining, where ground conditions can be challenging. The split set acts as a ground support system, providing stability to the surrounding rock. The use of a self-drilling design further enhances the efficiency of installation, reducing the need for additional drilling equipment.
3. Ease of Installation:The self-drilling feature of the split set simplifies the installation process. This can lead to significant time and cost savings compared to traditional methods that require separate drilling and installation steps. The ability to drill and install in one operation enhances the overall efficiency of ground support implementation in underground mining.
4. Reduced Downtime:The quick and efficient installation of a self-drilling split set helps minimize downtime in mining operations. Faster ground support implementation means less disruption to mining activities, allowing for smoother and more continuous mining processes.
5. Versatility:3CR12 stainless steel split sets are versatile and can be used in various mining applications. They are suitable for stabilizing different types of rock formations and ground conditions. The adaptability of these split sets makes them valuable in a range of underground mining scenarios.
6. Long-Term Cost Savings:While the initial cost of stainless steel split sets might be higher compared to alternative materials, their corrosion resistance and durability contribute to long-term cost savings. The reduced need for frequent replacements and maintenance offsets the higher upfront investment.
7. Safety Considerations:The stability provided by self-drilling 3CR12 stainless steel split sets enhances overall safety in underground mining. By preventing rockfalls and ground instability, these support systems contribute to a safer working environment for miners.

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A Kind of Rock Bolt for Mining: Self-drilling Rock Bolt System

Time:-04-19From:sinorock View:

For accessing much more unexploited underground natural resources, mines are digging deeper and deeper. As a result, the challenges we must conquer become more and more. To ensure the safety of workers who contribute themselves to mine, especially the underground mine, we must support the variety of conditions when excavating. In general, there are many types of rock bolt for mining, such as expansion shell rock bolt, fiber reinforced plastics (FRP) rock bolt, split set, and so on. Today, Sinorock will introduce you a kind of rock bolt for mining, self-drilling rock bolt system.

What Is Self-drilling Rock Bolt System?

How Does It Support the Underground Mining?

What&#;s the Advantages of Self-drilling Rock Bolt System?

What Is Self-drilling Rock Bolt System?

Self-drilling rock bolt system is an advanced rock bolt for underground mining in recent years. It consists of a sacrificial drill bit, EX, EXX, EY, EYY, and others available, a steel hollow bar, which can be used for grouting, a coupler to extend the hollow bar, a plate, a nut, and a centralizer to ensure the hollow bar staying in the center of the drilling hole when drilling and grouting.
 

Nowadays, the self-drilling rock bolt system could be divided into two types, r thread and t thread. The outer diameter ranges from 25mm to incredible 200mm. Therefore, we can choose different sizes of self-drilling rock bolt system according to the condition we need to support.
 

How Does It Support the Underground Mining?

Self-drilling rock bolt system can combine drilling, grouting, and anchoring in one step. When drilling into the rock formation, we could use the water or compressed air to clear the hole. Or we may grout the relatively dilute cement slurry simultaneously. Also, we can grout twice with a higher pressure. Under the high pressure, the cement slurry will be pressed into the cracks of the rock and soil. After curdled, it will connect the broken rocks together. The slurry will fill in the drilling hole fully.
 

If you want to learn more, please visit our website TRM.

What&#;s the Advantages of Self-drilling Rock Bolt System?

1. Self-drilling rock bolt system, which combines drilling, grouting and anchoring together, is suitable for broken rock, loose soil, and conditions which are difficult to drill holes. Casing pipe is omitted in construction, which greatly improves the construction efficiency.
 

2. Self-drilling rock bolt system has a rich variety of drill bits, and drill bit can be selected according to the properties of rock and soil, which can improve the drilling efficiency.
 

3. Self-drilling rock bolt system can fill cracks, consolidate rock mass and soil layer through pressure grouting, and has good grouting spreading radius and reliable anchoring quality.
 

4. Because of the continuous thread of the hollow bar surface, it can be cut at any position and lengthened by the coupler. Therefore, self-drilling rock bolt is suitable for the construction in the narrow space where the large equipment can not enter, especially in the underground mining projects.
 

Recently, the self-drilling rock bolt serving as a kind of rock bolt for mining is more and more popular. Most mining projects now choose it as the primary method to support the unstable structure underground.

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