Deep rock blasting using decoupled charge with different coupling mediums

K Liu, T Qiu, X Li, X Zhang, J Yang… - International Journal of …, 2023 - ascelibrary.org
Blasts using decoupled charge with various coupling mediums are extensively operated in
underground excavation, and blasting challenges are always encountered in deep rock …

Dynamic in situ nonlinear inelastic response of a deep medium dense sand deposit

A Jana, AW Stuedlein - Journal of Geotechnical and …, 2021 - ascelibrary.org
This study presents the use of controlled blasting for the determination of the in situ dynamic
response of a sand deposit at a depth of 25 m under effective overburden stresses of …

Assessing persistence of entrapped gas for induced partial saturation

B Mahmoodi, A Gallant - Journal of Geotechnical and …, 2021 - ascelibrary.org
Induced partial saturation (IPS) is a novel method to suppress the generation of excess pore-
water pressure and increase the liquefaction resistance of loose granular soils. Mechanical …

Soil Arching Mechanisms Resulting from Excess Pore Pressure Dissipation Following Blast-Induced Liquefaction

JE Orozco-Herrera, B Turkel… - … of Geotechnical and …, 2024 - ascelibrary.org
This paper evaluates the stress changes and settlements following dissipation of local, 3D
excess pore pressure fields induced by controlled blasting. Field data gathered during a …

Explosive compaction technology for loess embankment settlement control: numerical simulation and field implementation

H Li, J Tao, L Wei, Y Liu - Acta Geotechnica, 2020 - Springer
Loess covers about one-tenth of the world's land area. While it is often used as embankment
fill, loess is not an ideal construction material due to its wet collapsible nature, as it may …

Evaluating changes in shear wave velocity due to blast-induced liquefaction

JF Hubler, JP Hanley, AC Stolte, L Wotherspoon… - Soil Dynamics and …, 2024 - Elsevier
Blast liquefaction tests were performed in Christchurch, New Zealand in an area that
experienced extensive liquefaction during the 2010–2011 Canterbury Earthquake …

Recovery of small-strain stiffness following blast-induced liquefaction based on shear wave velocity measurements

S Mahvelati, JT Coe, AW Stuedlein… - Canadian …, 2021 - cdnsciencepub.com
Changes in soil fabric following liquefaction have been studied using various in situ
methods that often return inconclusive or conflicting observations. The time–rate variation of …

Measurement of gas released during blast densification

AP Gallant, RJ Finno - Geotechnical Testing Journal, 2017 - asmedigitalcollection.asme.org
The introduction of nitrogen and carbon dioxide gases into the ground during blasting
increases pore fluid compressibility and thus affects the postblast mechanical behavior of …

Distinct undrained cyclic behavior of fine-grained gassy soil at various initial pore water pressures

Y Hong, XY Chen, LZ Wang, B Yang… - Journal of Geotechnical …, 2021 - ascelibrary.org
Undissolved gas bubbles, which are widely formed in marine sediments, could modify the
behavior of the soil. To date, the cyclic behavior of fine-grained gassy soil has been rarely …

[PDF][PDF] Predicting blast-induced liquefaction within the New Madrid Seismic Zone

E Ishimwe, RA Coffman, KM Rollins - AIMS Geosciences, 2020 - aimspress.com
Predicting blast-induced liquefaction within the New Madrid Seismic Zone Page 1 AIMS
Geosciences, 6(1): 71–91. DOI: 10.3934/geosci.2020006 Received: 20 February 2019 …