Advances in Civil Engineering / 2019 / Article / Fig 11

Research Article

Study on the Decoupled Charge Effect in Deep-Hole Cumulative Blasting of Coal Seam

Figure 11

Structure of cumulative blasting and sketch of boreholes in the investigated area. (a) Structure of cumulative blasting in hole. (b) Profile of I-I. (c) Layout of blasting and gas extraction holes in field test.

We are committed to sharing findings related to COVID-19 as quickly and safely as possible. Any author submitting a COVID-19 paper should notify us at help@hindawi.com to ensure their research is fast-tracked and made available on a preprint server as soon as possible. We will be providing unlimited waivers of publication charges for accepted articles related to COVID-19. Sign up here as a reviewer to help fast-track new submissions.