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Application of self-drilling hollow rod and solid rod in different formations

Time:2022-03-31From:This Site

Hollow rods and solid reinforced rods are two different forms of anchoring, therefore, the installation issue is related to ground conditions and the stability

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Factors That Affect the Quality of Self-drilling Anchor Bolt System

Time:2022-03-29From:This Site

Self-drilling anchor bolts are mainly used in foundation pit support engineering, foundation reinforcement engineering, slope engineering, tunnel advanced suppo

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7 advantages of self-drilling soil nails VS solid soil nails

Time:2022-03-27From:This Site

The foundation pit support technology is a hot spot and a difficulty in the current engineering circles. Soil nail support is a new form of foundation pit suppo

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Why Use Self-drilling Rock Bolt to Support Broken Rocks? 2 Reasons and 3 Advantages!

Time:2022-03-17From:This Site

When building a railway or highway, we often encounter the high slopes that need to be supported. Due to the broken and loose rocks, it’s very dangerous f

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Different Self Drilling Anchor Bolt Construction Equipment and Their Advantages

Time:2022-03-15From:This Site

The construction of self-drilling anchor bolts is different from that of ordinary bolts. The construction of self-drilling anchor bolts adopts the method of gro

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Self Drilling Anchor Bolt VS Long Pipe Shed, Which Is Better to Support the Tunnel?

Time:2022-03-07From:This Site

In recent years, as a new type of support system, self-drilling anchor bolts have been more and more widely used in various geotechnical anchoring projects. For

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5 problems and solutions in self drilling anchor bolt construction process

Time:2022-03-02From:This Site

Self drilling anchor bolts are widely used in many geotechnical anchoring projects because of their advantages of one-time completion of drilling, grouting, and

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How to Choose A High-quality SDA Bolt System?

Time:2022-02-23From:This Site

In tunnel support, slope support, and foundation support, some construction companies will choose self-drilling anchor bolts. However, when it comes to SDA bolt

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How Big A Hole Can the Self-drilling Anchor Bolt System Make

Time:2022-02-21From:This Site

In the anchoring construction, self-drilling anchor bolts are used for support, and there are specific requirements for the diameter of the borehole. So, what

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4 Methods to Reinforce the Slope, Self-drilling Anchor Bolt Is the Best One

Time:2022-02-17From:This Site

The slope is a very common terrain in highway and railway construction. During the construction process, it needs to be reinforced and supported by various meth

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Why Should We Use Self-drilling Rock Bolt to Support the Weak Rock When Excavating A Tunnel?

Time:2022-02-15From:This Site

During tunnel excavation, we often encounter weak rock. Due to the potential danger of this kind of rock, under normal circumstances, we will use self-drilling

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You Must Use Self-drilling Anchor Bolts in Easy-to-Collapse Conditions, Click here to Know Why

Time:2022-02-10From:This Site

Many construction companies will encounter geological conditions that are prone to collapsing holes during the construction of engineering projects. In such a s

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What Advantages Do Self Drilling Concrete Bolts Have Comparing to the Full Lenth Mortar Bolts?

Time:2022-02-08From:This Site

In many projects, loose geological conditions will be encountered during construction, such as pebble layer, sand layer, strongly weathered limestone, etc. Whet

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How Many types of rock bolts are there?

Time:2022-01-23From:This Site

At present, there are many types of rock bolts used for geotechnical anchoring engineering support in China, including ordinary hollow anchors, self-drilling an

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3 Featured Characters of Self Drilling Rock Anchor Systems

Time:2022-01-20From:This Site

The supporting principle of a self drilling rock anchor system is, to use a drilling rig to drive the bolt into the rock or soil that needs to be reinforced, and then press the slurry from the drill bit through the hollow bolt body by the connection with the grouting machine to fill the fissures and boreholes.

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Do You Know What the Self-drilling Ahchor Bolt System Is? Let's figour it out together

Time:2022-01-12From:This Site

The self-drilling anchor bolt system is a new technology developed in recent years, suitable for broken rock, loose soil and geological conditions where are dif

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Self Drilling Hollow Bar：A Perfect Solution to Hole Collapsing When Supporting Loose & Broken Geology

Time:2022-01-06From:This Site

In some construction projects, the geological conditions are not very suitable for drilling construction. However, if you want to reinforce the foundations of t

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How Does Self Drilling Anchor Bolt Work in the Complex Unstable Conditions ?

Time:2021-12-28From:This Site

In projects that use self-drilling hollow anchor rods, it is inevitable that the cover layer is soft and broken, and the rock layer is hard. Under such geological conditions, the construction of self-drilling hollow bolts is definitely not the same. So, how is the construction done?

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3 reasons why reasonable grouting is necessary for anchoring project

Time:2021-12-28From:This Site

We all know that during the construction of anchor rods and anchor cables, grouting must be carried out into the borehole. Reasonable grouting of the anchoring project is a key factor related to the quality of the project. This is mainly due to the following three reasons:

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Self-drilling hollow Anchor Rods Common Application scenarios

Time:2021-12-24From:This Site

Self-drilling hollow anchor rods have excellent anchoring effects when used in geological conditions that are easy to collapse. Therefore, the application of self-drilling hollow anchor rods is becoming more and more extensive.

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How to choose the best hollow anchor bar for corrosion protection?

Time:2021-12-11From:This Site

In engineering applications, the biggest influence on the service life of self drilling hollow anchor bolts is stratum environment. Especially when it is used in sea area or close to the coastline, where the environment is more aggressive. Therefore, you should select hollow anchor rods for corrosion protection in aggressive environments.

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Inefficient supporting effect in the tunnel by small pipe? Self-drilling anchor bolts (SDA) solve problems at once

Time:2021-11-19From:This Site

Due to the high hardness of the conglomerate layer, the small pipe cannot be penetrated, resulting in an unsatisfactory grouting effect and continuous water leakage in many places in the tunnel. In order to ensure normal construction, after many tests, the self-drilling hollow grouting anchor rod was finally selected for support.

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Advantages of self drilling hollow anchor bolts used as soil nails

Time:2021-11-10From:This Site

Soil nailing is currently an important technology for reinforce slopes such as mountains, dams and building foundations. However, the traditional technology is to drill holes first, and then anchor bars are embedded in the holes and grouted and fixed. The construction process not only faces problems of high construction difficulty, low work efficiency, and high cost, but also faces the problem of poor connection stability between soil nails and geological structures. In recent years, self drilling hollow anchor bolts have been widely used in soil nail support due to their simple construction t

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Five advantages of using self drilling anchor bolts

Time:2021-10-26From:This Site

The use of common hollow anchor bolts, rebar and casing construction and other supporting methods are widely used, but in recent years, self drilling anchor bolts have become more and more favored by construction parties. What is the reason? Today I will give you a brief introduction to the advantages of self drilling anchor bolts.

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