three-arm rock drilling jumbo

Tunnel construction can be easily affected by complex terrain, and in such cases, drilling and blasting become the main technical methods. This article explores the straight-eye slotting technique related to three-arm rock drilling jumbos, mainly involving equipment performance and blasting

As an important piece of machinery for mechanized tunnel construction, the three-arm rock drilling jumbo has been widely used in tunnel projects. As a key piece of equipment for mechanized tunnel construction, the three-arm rock drilling jumbo has gained broad application due to its efficiency

This article, in combination with the construction characteristics of the No. 3 inclined shaft of Fengshun Tunnel, provides a detailed explanation of the construction technology of the three-arm rock drilling jumbo. It compares the excavation construction of the rock drilling jumbo with traditional

Investigate the application of the three-arm rock drilling jumbo and the handheld rock drill in the construction of the Funiu Mountain Shuanglong Tunnel exit section on the Zhengxi Expressway, and compare the applicability, construction cost, safety, energy consumption, and efficiency of the two