Results 161 to 170 of about 13,135 (254)

Sonic Boom [PDF]

A status of the knowledge of sonic booms is provided, with emphasis on their generation, propagation and prediction. For completeness, however, material related to the potential for sonic boom alleviation and the response to sonic booms is also included.
Maglieri, Domenic J., Plotkin, Kenneth J.   +1 more
core   +1 more source

Preliminary results of penetrator field test program, Tonopah, Nevada, 16-28 April 1979 [PDF]

Subscale (0.63 scale) penetrators impacted various sizes of volcanic rocks resting on and within compacted plays sediments. All penetrators were identical in size, shape, weight, and impact velocity.
Blanchard, M. B., Clanton, U., Dalbey, M., Murphy, J. P., Rhoper, V.   +4 more
core   +1 more source

Simultaneous prediction and optimisation of rock fragmentation and ground vibration using an ANN-RF ensemble in open-pit blasting. [PDF]

Sci Rep
Saubi O, Jamisola RS, Suglo RS, Matsebe O.   +3 more
europepmc   +1 more source

Catastrophic instability criterion for roadway roof and sidewall rock mass under deep-hole roof blasting in Songshan coal mine. [PDF]

Sci Rep
Guo D, Chen J, Wang H, Wei Z, Gao Q.
europepmc   +1 more source

Debris/ice/TPS assessment and integrated photographic analysis for Shuttle Mission STS-46 [PDF]

A Debris/Ice/TPS assessment and integrated photographic analysis was conducted for Shuttle Mission STS-46. Debris inspections of the flight elements and launch pad were performed before and after launch.
Davis, J. Bradley, Higginbotham, Scott A., Katnik, Gregory N.   +2 more
core   +1 more source

Study on the Vibration Mechanism of Different Cutting Modes in Shallow Tunnel Excavation under Thermal Explosion Loading. [PDF]

ACS Omega
Bao X, Yao S, Wang W, Wei Q, Kang Y, Wei Y, Li Z.   +6 more
europepmc   +1 more source

A Study in a New Test Facility on Indoor Annoyance Caused by Sonic Booms [PDF]

A sonic-boom simulator at NASA Langley Research Center has been constructed to research the indoor human response to low-amplitude sonic booms. The research goal is the development of a psychoacoustic model for individual sonic booms to be validated by ...
Klos, Jacob, Loubeau, Alexandra, Rathsam, Jonathan   +2 more
core   +1 more source

Control effects of joint grouting and precision blasting on blasting damage in deep rock masses. [PDF]

Sci Rep
Mao Z, Yue Z, Song K, Luo Y, Zeng Y, Mao M, Zhang X, Liu T, Zeng F.   +8 more
europepmc   +1 more source

Experimental study on the coupling control of rock blasting vibration and rock fragmentation size. [PDF]

PLoS One
He L, Zhang W, Zhao Y, Peng S, Yao Y, Chen S, Wang M.   +6 more
europepmc   +1 more source

Application of CO₂ fracturing blasting in mountain tunnel construction adjacent to existing structures. [PDF]

Sci Rep
Li Z, Yuan J, Xie W, Wu H, Xiao J, Wu Y, Pan C.   +6 more
europepmc   +1 more source