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On April 15th, 2024, leaders of the National Railway Group went to the exit of Gayi Tunnel to observe the construction of the anchoring and injection machine. The R25 built-in resin prestressed self drilling hollow bar jointly developed by ONTON and the Railway Construction Research Institute was used for rapid anchoring. The main contents are as follows:

Built in Resin Prestressed Hollow Bolt Consctruction

YouTube video: https://youtu.be/kzeRktj0NE4     On April 15th, 2024, leaders of the National Railway Group went to the exit of Gayi Tunnel to observe the construction of the anchoring and injection machine. The R25 built-in resin prestressed self drilling hollow bolt jointly developed by ONTON and the Railway Construction Research Institute was used for rapid …

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built-in resin prestressed self drilling hollow bar

Guide to Micropiles for Ground Improvement and Rock Stability

The stability of a structure entirely depends on how strong the foundation is. This explains why many are considering micropiles for ground improvement and rock stability. Though they are smaller in size, micropiles are efficient in handling heavy architectural structures. The best thing about micropiles is that they not only work in congested and low …

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built-in resin prestressed self drilling hollow bar

Built in Resin Prestressed Self Drilling Hollow Bar – ONTON’s New Patent

YouTube video: https://youtu.be/kzeRktj0NE4   Advantages of built-in resin prestressed self drilling hollow bar a. Embedded resin capsules with tapered resin outlet anchor head: • Solve the problems such as resin capsules fall down from vault construction and difficulty in advancing resin capsules in slightly collapsed holes, ensuring that the resin capsules are pushed to the …

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Rock Bolt Types

Rock bolts application and types you should know

Rock bolts are crucial elements in stabilizing rock formations in various industries, from mining to civil engineering. They are used to reinforce and support rock structures to prevent them from collapsing or shifting, which can pose a serious threat to workers and structures. There are several types of rock bolts, each designed for specific applications. …

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On August 4th, 2023, our company cooperated with Sichuan Xinzhu (Jambo manufacturer) to conducted a bench test on the anchor trolley in the Xinzhu factory, mainly doing R25 built-in resin prestressed hollow anchor bar.

R25 Built-in Resin Prestressed Self Drilling Anchor Bar Bench Test

    On August 4th, 2023, ONTON cooperated with Sichuan Xinzhu (Jambo manufacturer) to conducted a bench test on the anchor trolley in the Xinzhu factory, mainly doing R25 built-in resin prestressed hollow anchor bar.             1. Test of all construction steps and action processes of the equipment meets on-site …

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Prestressed Hollow Bar Test

Jumbo Construction Prestressed Test on R25 Self Drilling Hollow Bar

  On May 13th, 2023, China Railway Equipment Company and ONTON held a Jambo construction prestressed test on R25 self drilling hollow bar at Zijia Tunnel project on the Yaonan Expressway. Two tests were conducted:       R25 prestressed hollow anchor bar with expansion shell R25 anchor bar prestress requirement is >60kN, we tested …

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What-should-we-concern-when-purchasing-self-drilling-anchor

What should we concern when purchasing self-drilling anchor?

Experienced buyers may find there is a difference in the model types of self-drilling anchor among all suppliers. Naming methods Atlas MAI (now belongs to Orica) self-drilling anchors are identified by the combination of alphabets & numbers. For instance, R32N R means the rope thread. 32 is the outer diameter of hollow bar. N represents …

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Drill-Anchor-System

Drilling Anchor System

Introduction: The core of the Onton Self-Drilling Anchor Bolt is a hollow, thick-walled, central drilling rod with a drill bit at the top. The system is modular, meaning that the most appropriate configuration can be put together to suit on-site circumstances and the forces that apply. The self-drilling anchor bolts are available in the steel grade S460NH …

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