Search results for keyword: boreholes
Hollow steel for rock drilling rods (GB/T1301—1994)
Hollow steel, also known as hollow steel, is a kind of steel cross section made of uniform thickness rolled and welded steel, which is also called divided steel. It is an iron and steel material with different shapes and wall thicknesses. It is mostly used for steel columns, steel beams, steel sca......
1029 
Lily
Hollow steel for rock drilling needle rods (GB/T1301-1994)
Introduction
Rock drills, also called pneumatic drills, are a type of machinery used to drill into rock or hard surfaces. Rock drills are powered by compressed air and contain a hollow steel tube that is inserted into a rock or hard surface to create a hole. These drills are commonly used in the ......
Crushing process control
在矿山当中，破碎过程是一项关键性操作，可缩短物料打磨破碎过程，提升矿料加工率。 在矿山内，破碎过程控制既包括机械控制，也包括管理和技术控制。机械控制包括破碎设备本身的选配，设备改造和优化设计，还有质量检测，让这些设备符合国家标准。管理控制则涉及各种管理体系的改造，如标准化管理流程、操作规程、质量管理......
freeze sinking
Well Shaft Drilling
Well shaft drilling is an innovative technique used to drill into the earth. This method is mainly used when creating large, deep holes or tunnels. It is commonly used in the construction industry as well as in exploration projects, such as oil and gas drilling.
The primary b......
Construction preparation for well and roadway engineering
Well Construction
Well construction is a tedious and complicated task, as it involves the installation of underground systems of pipes, pumps, valves, and other components. Wells are commonly used to provide a source of water for drinking, irrigation, industrial purposes, or to retrieve natural g......
Hydrogeological survey of shaft construction
Groundwater Exploration of Construction in Wells and Lanes
Groundwater exploration is the most important part of construction in wells and lanes. As an important resource material, groundwater exploration is the basis for groundwater development and utilization. The following is a description of ......
well test
Test Well
A test well is one of the most important tools used in geotechnical engineering. Test wells have been used since the beginning of civilization to obtain greater insight into subsurface conditions and the behavior of soils and rocks. This technology has seen significant development and r......
mine drilling method
Mining and Drilling
Mining and drilling are closely related. They are similar in that both involve excavation in the earth to uncover and extract resources. There are a number of different types of mining and associated drilling activities, including surface mining, underground mining, and advance......
Metallurgical plant and mine architectural design
Metallurgical Plant and Mine Building Design
Metallurgical plants and mine buildings are some of the most important structures in the world today. They provide the materials used to manufacture steel and other metals and they often contain large underground reserves of minerals and metals. Becaus......
rock anchor pile foundation
Introduction
Rock Anchor Pier foundation is a type of foundation that is used to support structures built in areas of significant rock exposure. This type of foundation is used to stabilize and reinforce the soil or rock strata immediately around the foundation of a structure. Rock anchor pier fo......
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