Stope bottom structure suitable for underground two-step …
A bottom structure and stope technology, applied in underground mining, surface mining, earthwork drilling, etc., can solve the problems of high mining accuracy ratio, large cutting ratio …
Design Method and Application of Stope Structure …
in this paper, we systematically review the existing stope structure parameter design methods, and then put forward a deep stope structure design method based on the stability of mining...
Optimization of stope structure parameters by combining …
This study analyzes the stability and optimizes the parameters of the bottom structure in sublevel stoping with the delayed backfilling method, improves production …
Optimization of stope structure parameters by combining …
Semantic Scholar extracted view of "Optimization of stope structure parameters by combining Mathews stability chart method with numerical analysis in Halazi iron mine" by …
How to Structure an Online Store 101
An online store's site structure is vital, both in terms of usability and search performance. Our article focuses on how to structure an online store. Commerce Services. ...
Bottom Construction of Stope | SpringerLink
The flat bottom construction is a U-shaped bottom construction with a flat bottom. The width of the ore-receiving bin in a stope adopting flat bottom structure is the same as the …
How to Stop Bottom of Shed Rotting
Conclusion. Protecting the bottom of your shed from rotting is essential for maintaining its longevity and structural integrity. By elevating the shed, installing a proper …
Sublevel Stoping Mining Method
Since the 1970s, the sublevel stoping mining method (Fig. 1) has been an open stope mining method with relatively advanced technology, high mechanization and efficiency, …
Optimization of the bottom structure of the second-step …
The one-step stope of the panel adopts the segmental empty field method to recover, the bottom bottom structure, and the post-clay cementation filling. In this scheme, the …
A construction method of stope artificial bottom structure
A bottom structure and artificial technology, applied in ground mining, mining equipment, earth cube drilling, etc., can solve problems such as high repair rate, large support engineering …
The Damage Mechanism Research and Application of Stope Bottom Structure
The bottom structure of underground stope is an important project for ores accepting and ore-drawing, which directly affects the ores recovery in terms of safety, economy and efficiency. …
Optimization and Stability of the Bottom Structure …
In recent years, research on the bottom structure of stope has mainly optimized the main parameters and determined the optimal bottom structure form of stope using theoretical …
Optimization of stope structure parameters by combining …
There is bottom heave displacement at the junction of the footwall and the working face roof at the 150 m section, ... Optimization and stability of the bottom structure parameters …
Sublevel Caving Method with Sill Pillar
In sublevel caving method with sill pillar, the stope bottom structure is also called sill pillar and is located at the bottom of ore block or stope room. This structure accommodates …
STOP LOGS
one each side (end) to seal at the wall and across the bottom to seal at the sill or with the next log. The preferred sill is an embedded metal sill. Aluminum is a strong lightweight material allowing …
Design Method and Application of Stope …
Deep mining has become an inevitable trend of mining development. Previously conducted studies have established that reasonable stope structure parameters are the premise to ensure the safe and efficient …
Stope Structural Parameters Design towards Green and Deep …
This paper presents a comprehensive review in order to compare and consolidate various stope design methods. This review covers various aspects of stope design, including …
Designing A Ship's Bottom Structure
Ship's bottom structure is designed not only to give the required strength to withstand the weight of the cargo but also to resist the external hydrostatic loads that act on the bottom of the hull. Learn about the various …
Stope Mining Guide: Techniques & Methods Explored
A raise bore is the bottom-up construction of a cylindrical shaft that is created by using mechanical rollers. This is a good technique when longer stopes are needed. ... and various …
The importance of the bottom structure of the stope and its …
The reasonable bottom structure of the stope should meet the following basic requirements: 1. During the mining process of the stope, it should be ensured that the roadway in the bottom …
Bottom structure
These structures are single bottom structure and double bottom structure. In smaller ships having single bottoms, the vertical plate open floors are fitted at every frame …
Study on Optimization of Stope Structure Parameters for …
Broken rock mass and unreasonable stope structure parameters can cause excessive ore loss and dilution in sublevel caving; this is the main problem faced by caving …
Optimization and Stability of the Bottom Structure …
This study analyzes the stability and optimizes the parameters of the bottom structure in sublevel stoping with the delayed backfilling method, improves production efficiency, and increases...
Bottom Construction of Stope | SpringerLink
In accordance with the different ore drawing equipment and methods, the bottom construction of stope can be divided into the bottom construction of funnel gravity discharge, …