Search results for keyword: backfill
Clay casting
Sand Casting
Sand casting is one of the oldest forms of metal casting and has been used since ancient times to make tools and art objects. It can involve a wide variety of materials and techniques, but typically involves the use of a mold made of sand, clay, or other material to shape the metal i......
1065 
Nancy
Technical Specification for Waterproofing of Underground Engineering (GB50108-2001)
Underground Engineering Waterproofing Technology Specification (GB50108-2001)
This standard specifies the technical requirements and acceptance criteria of waterproof engineering design and construction, the process of detection, acceptance, maintenance and management of underground engineering w......
Mine underground development method
Underground Mining Methods
Underground mining is a method of mining that involves the excavation of tunnels and underground passages. The majority of underground mining operations involve the extraction of ore and other materials from hard rock deposits. However, it is also possible to extract co......
mine shaft design
Minings Underground Towers
Mining is a well-known industry in the United States and around the world. It is an ancient practice that has been around for centuries, and it is one that is necessary for today’s modern world. With the extraction of raw minerals and ore from the earth, individuals an......
Mine shaft engineering design
Mine Shaft and Tunnel Engineering Design
Mine shaft and tunnel engineering design is the process of creating safe and efficient pathways or passages underground. Mine shafts and tunnels may be used to transport people and materials, drain water or gas, or used to store the raw materials of a mine......
Underground Mine Filling System Design
Design of Underground Mine backfill System
backfilling has been widely used in underground mining around the world for decades. This method of support not only increases the stability of the mine, but also improves the work environment. The traditional backfilling method is to manually backfill c......
Underground Mining Method Design
Underground Mining Methods
Introduction
Underground mining is the process of extracting minerals and ores from underground. Underground mining has been around for centuries and though the mining techniques have changed drastically over the years, the idea is still largely unchanged. Underground ......
open pit mining
Open-Pit Mining
Open-pit mining is a type of surface mining that involves excavating large portions of land to extract minerals or other geological materials resting near the surface. Unlike other forms of mining, open-pit mining does not require the use of explosives to excavate the mineral depos......
Underground engineering reverse method
Underground construction is the process of creating a functional and safe underground environment to provide services associated with construction activities. Underground construction work involves much hazardous work, such as tunneling, drilling, and masonry, and typically requires advanced skill......
mining face
Mining is a recognized way to acquire valuable materials for usage. The activity involves the extraction of ore, minerals and other resources from beneath the surface of the earth. These activities may include surface and underground mining. Surface mining involves digging into the grounds surface......
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