Partha Pinaki

4 Questions 8 Answers 0 Followers

Questions related from Partha Pinaki

Does the explosive requirement reduce with successive stages of drilling and blasting method?

Dear All, i have a doubt, regarding the field application of use of quantity of explosives, as we progress with the drilling and blasting method. Assuming that the tunnel sections are of equal...

13 February 2018 4,455 6 View

Does PPV depend on Blast Loading rate ?

Dear All, We are aware that the stress around a borehole blasting are dependent on the blast loading rate , i was doubtful if PPV is affected by the loading rate?

11 November 2017 8,732 8 View

Is it possible to simulate the blast loading according to a drilled pattern which might include multiple blasting (>20) for tunnel excavation?

The finite element simulation of blast loading on multiple drilled holes following a pattern for example a v cut pattern for a tunnel face. any papers on this would be highly appreciated. Thanks...

08 January 2016 5,502 2 View

How do I perform a re-initiallization of stresses in multi-stage analysis?

how do we re-initialize stresses after each stage , in a multistage construction analysis. the multi-step analysis involves load application and removal of a certain part, the again load...

01 September 2015 8,169 3 View