In order to enhance the overall safety management level of mechanized drilling and blasting operations in high⁃altitude tunnels, through the analysis of the full⁃process systematic mechanized construction practice implemented in high⁃altitude tunnels,solutions were proposed from the perspectives of

During the practical application of the standard Boltec 235 bolting machine in the main and western ore bodies of the Kembibi Copper Mine, issues such as long bolting time, weak drilling machine impact, high failure rate, and low operational efficiency were observed. Based on rock conditions, the

Brand : EPIROC
Part No. : 0663613500
Description : Oring
Use in : Boltec 235h , Boltec Md , Boomer 281 , Boomer 281dh , Boomer 282 , Boomer 353 , Boomer K111 , Boomer L2d , Boomer M2c , Boomer M2d , Boomer S1d , Boomer S2 , Boomer Xe3 , Cop 1132 , Cop 1238 , Cop 1238k , Cop 1435 , Cop 1440 ...

Based on the construction of Class III to V surrounding rock in the Wengjiashan Tunnel project, this study uses on-site experimental statistics and comparative analysis methods to investigate the construction efficiency of traditional manual work versus large-scale mechanical equipment during the

To address long-standing challenges in tunnel construction，such as difficulties in controlling over-excavation and under-excavation，high consumption of jumbo materials，and excessive energy consumption，this article provides a high-performance rock drill with a small edge-to-center distance ( model:

The number and scale of mountain tunnel engineering projects are gradually expanding, which places higher demands on construction technology. During the construction of such projects, the progress speed of tunnel excavation operations directly affects the construction schedule, while excavation

As an important link connecting cities and regions, the construction efficiency and quality of expressways are directly related to the development of national economy and the convenience of people's travel. With the rapid progress of information technology, integrating this high-tech means into the

Brand : MONTABERT
Part No. : 86613254
Description : Seal
Use in : Hc 109 , Hc 120 , Hc 150

This study aims to thoroughly explore the key construction technologies of fully computerized rock drilling jumbos under different construction methods. Through systematic analysis and practical research, it provides more efficient and higher-quality technical support for tunnel construction. The

Addressing the safety and efficiency challenges encountered during construction of the dual tubeꎬ eight lane ultra large cross section Chengzai Mountain highway tunnel on the Shenzhen Shanwei West Expressway. this paper presents a systematic investigation into the key technologies for fully