WebIn the simulations, the overhand cut and fill mining from the lower slice of the vein of block 2 was conducted as shown in Figure 9. Block 2 is the planned mine area with 24 m in height under overlaying mined-out regions with 100 m in height, and the total overburden above block 2 is 150 m. WebTranscribed image text: A mining company is preparing to develop a narrow vein tabular orebody shown on Figure 1 . Due to the weakness of the host rock, the vein will be mined as series of 2 .1 m high cuts using an overhand cut-and-fill technique. There will be 3 entry points from each footwall level drift into the orebody for mining access.
Paper: Suitability of the overhand cut-and-fill mining method for ...
WebQuestion: A mining company is preparing to develop a narrow vein tabular orebody (300 m height, 400 m length) shown on Figure 1. Due to the weakness of the host rock, the vein will be mined as a series of 2.1 m high cuts using an overhand cut-and-fill mining technique. There will be three entry points of each footwall level drift into the ... WebThe working of a block of ore from a lower level to a level above. In a restricted way overhand stoping can be applied to open or waste-filled stopes that are excavated in a series of horizontal slices either sequentially or simultaneously from the bottom of a block to its top. Stull timbering or the use of pillars characterize the method. jason aged brass pharmacy floor lamp
Sill Pillar Mining In the Main Orebody At Vale
WebJul 17, 2024 · Cut and fill is a practice in excavation.`. It is often used in the process of constructing a road, railway, building, or canal. In this procedure, the amount of material from cuts roughly matches the amount of fill needed to make nearby embankments. By utilizing this practice, you can minimize the amount of construction labor. WebExperimental Study on the Interaction between Backfill and Surrounding Rock in the Overhand Cut-and-Fill Method Wei Liang, Ke Li, Jiashun Luo, Yalei Zhe, Mengtang Xu, … Webo·ver·hang. 1. To project or extend over: trees that overhang the stream. 2. To loom over: The threat of nuclear war overhangs modern society. To project over something: in the shadow where the balcony overhangs. 1. A projecting part, such as an architectural structure or a rock formation. 2. jason a good place