There are many kinds of self drilling hollow bar steel grades globally, the more common ones are 28Mn6, 41Cr4 (40Cr), J55 (37Mn5), N80, S45E (45#), S355N (Q355B), S460N, etc. In fact, the material requirements of SDA should be selected according to the specific application conditions and the factory’s processing technology. The application […]
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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
Guide to Micropiles for Ground Improvement and Rock Stability Read More »
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.
Rock bolts application and types you should know Read More »
From Nov. 26th to 29th, 2024, ONTON attended Bauma Exhibition at Shanghai New International Expo Center, China. It’s one of the largest International engineer exhibitions, It is a comprehensive exhibition of Construction Machinery, Building Material Machines, Mining Machines and Construction Vehicles, This exhibition attracted many visitors domestic and abroad who are interested in construction
Onton Attended Bauma China 2004 Read More »
From Sep. 11th to 14th, 2024, ONTON participated Mining Indonesia at Jakarta International Expo, Jakarta – Indonesia. It is a comprenhensive exhibition of mining and construction machinery, concrete, foundry and metallurgy. which is Asia’s largest international mining equipment exhibition and provides a professional platform for Indonesia’s mining industry to do business. This exhibition was
ONTON Attended Mining Indonesia 2024 Read More »
WTC 2024 has been held successfully in Shenzhen, China from April 22nd to April 25th, which attracted more than 3,000 visitors from over 60 countries, included 486 high quality papers and set up 195 academic presentations on tunnel technology. In this exhibition, equipment factories, tunnel construction material manufacturers, experts, scholars, purchasers, tunnel contractors… from
ONTON Attended WTC 2024 Read More »
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
Built-in-Resin Prestressed Hollow Bolt Consctruction Read More »
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
Built-in-Resin Prestressed Self Drilling Hollow Bar – ONTON’s New Patent Read More »
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
R25 Built-in Resin Prestressed Self Drilling Anchor Bar Bench Test Read More »
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
Jumbo Construction Prestressed Test on R25 Self Drilling Hollow Bar Read More »
