Sentence examples for venthole from inspiring English sources
noun
A hole through which gas or air can escape.
These uncertainties, and the wide range of mining and venthole operation parameters, lead to performance variability in GGVs.
Results indicated that the gob gas venthole fracture network formed 24 to 46 m (80 to 150 ft) ahead of the mining face.
In addition, this paper also researched the distribution of shear stress exerted on casing along a venthole during coal mining and the changing characteristics of shear stress as working face advances using numerical simulations.
The results showed that when the longwall face passed the venthole by approximately 30 70 m, GGVs were in the highest possible failure period, which is the early stage of longwall face passing GGV.
Furthermore, taking Zhangbei coal mine as an example, this paper investigated the distribution of the maximal amount of relative horizontal movement (RHM) of the contiguous strata along a venthole and explored the changing characteristics of the maximal amount of RHM of the overlying contiguous strata as the distance of the working face passing GGV increases.
