Application of Rock Saw in Tunnel Excavation

ByBrina
Application of Rock Saw in Tunnel Excavation

How to deal with the hard face during tunneling? Taking Wuyanshan Tunnel in Ninghai as an example, the surrounding rock of the tunnel is medium-weathered granite, and it is a medium-short-distance tunnel. The construction team uses a combination of rock saws and breakers to carry out operations. The specific method is to install Yichen YS-20SS rock saws on Liugong 920 excavators, cut longitudinally on the face every 50 cm, and then use the hydraulic breaker breaks the rock. The excavation efficiency is as high as 4-5m/d. This tunneling speed seems to be relatively low compared to ordinary tunnels, but it is still the most efficient and technical excavation method in field tests. Therefore, this new tunnel excavation method can be tried and applied in similar medium and short-distance hard rock tunnel excavation.

Similar Posts

John Deere Redesigns Pallet Forks for Increased Durability

John Deere Redesigns Pallet Forks for Increased Durability

ByBrina

var addthis_product = ‘wpp-262’; var addthis_config = {“data_track_clickback”:false,”data_track_addressbar”:false};if (typeof(addthis_share) == “undefined”){ addthis_share = [];} Continuing its commitment to providing industry-leading attachments to rental, ag material handling, landscape and construction customers, John Deere redesigned its Worksite Pro™ pallet forks to be more durable and powerful than ever. Available in a 45-inch (114 cm) and 60-inch (152…

What is Lifting Electromagnet?

Byroot

Keywords: lifting electromagnet, hydraulic scrap magnet lifting electromagnet A lifting electromagnet is a specialized device used for lifting and moving heavy ferrous materials using an electromagnetic field. It utilizes an electrical current to generate a magnetic field, which attracts and holds ferrous objects. Lifting electromagnets are commonly used in industries such as scrap metal recycling,…

Bulldozer vs. Wheel Loader: Which One Do I Need?

Bulldozer vs. Wheel Loader: Which One Do I Need?

ByBrina

Bulldozers and wheel loaders are robust and durable heavy equipment options for moving materials like sand, rocks and dirt. They both provide an assortment of advantages to the job site in terms of performance and efficiency. However, each offers distinct advantages for specific tasks, which is why it’s essential to understand how bulldozers and wheel…

18 Future Building Materials That Will Change Construction

18 Future Building Materials That Will Change Construction

ByBrina

Throughout the ages, we’ve seen the construction industry undergo a series of building material innovations. From durable concrete used in ancient structures to the production of steel for bridges and skyscrapers, these materials shaped the way we build today and influenced some of the greatest architectural feats. While some materials have simply evolved over time…

Transverse Drum Cutter milling the hill in YuYao

ByBrina

As a widely used and precise construction equipment, the drum cutter has excellent performance in mountain excavation. In Yuyao City, Zhejiang Province, a construction site is using Yichen transverse drum cutter for mountain excavation. The mountain is composed of compacted soil, mudstone, limestone, tree stumps, etc. Soil and mudstone have lower hardness and are easier…