Next Article in Journal
Optimal Sprinkler Application Rate of Water–Fertilizer Integration Machines Based on Radial Basis Function Neural Network
Next Article in Special Issue
Economic Risk Potential of Infrastructure Failure Considering In-Land Waterways
Previous Article in Journal
Predicting Aquaculture Water Quality Using Machine Learning Approaches
Previous Article in Special Issue
Simulating Ecological Effects of a Waterway Project in the Middle Reaches of the Yangtze River Based on Hydraulic Indicators on the Spawning Habitats of Four Major Chinese Carp Species
 
 
Article

Investigation of Shock Wave Pressure Transmission Patterns and Influencing Factors Caused by Underwater Drilling Blasting

by 1, 1,*, 1 and 2
1
National Inland Waterway Regulation Engineering Research Center, Chongqing Jiaotong University, Chongqing 400074, China
2
The College of River and Ocean Engineering, Chongqing Jiaotong University, Chongqing 400074, China
*
Author to whom correspondence should be addressed.
Academic Editors: Tianhong Li and Yunping Yang
Water 2022, 14(18), 2837; https://doi.org/10.3390/w14182837
Received: 31 July 2022 / Revised: 8 September 2022 / Accepted: 9 September 2022 / Published: 12 September 2022
(This article belongs to the Special Issue Sustainable Development of Inland Waterways)
Underwater blasting technology has been widely used in inland waterway improvement projects. However, due to the particularity and complexity of underwater blasting, it is difficult to predict the transmission patterns of underwater blasting shock waves. Therefore, based on the Guoyuan Port Phase II project in Chongqing, the transmission patterns and influencing factors of underwater drilling blast shock wave pressure were investigated by field monitoring and numerical simulation. In this study, a total of 45 groups of shock wave pressures were measured, and the underwater shock wave pressure transmission formula obtained through data fitting was P = 27.39 × (Q1/3/R)1.25. Furthermore, the shock wave pressure transmission process in water was numerically simulated, and the simulation results were verified using field monitoring data. The results showed that the simulation and measured results were consistent. Finally, the influence of water depth, flow rate, and flow direction on the transmission pattern of shock wave pressure was analyzed, based on a numerical simulation method. The results showed that the more blastholes there are, the smaller the peak pressure of the shock wave. The lower the depth of blasting, the faster the decay of shock wave pressure. The flow rate has less effect on the shock wave pressure. At flow rates of 1, 2, 3, and 4 m/s in the range of 0 to 50 m, the shock wave pressure in the upstream flow decreased by 5.7%, 7.4%, 9.1%, and 10.2%, respectively, compared with that in the downstream flow. This study provides a theoretical basis for safety control of underwater drilling blasting engineering in inland waterways. View Full-Text
Keywords: underwater drilling blasting; shock wave pressure; transmission pattern; influence factors underwater drilling blasting; shock wave pressure; transmission pattern; influence factors
Show Figures

Figure 1

MDPI and ACS Style

Wan, Y.; Li, W.; Du, H.; Yang, X. Investigation of Shock Wave Pressure Transmission Patterns and Influencing Factors Caused by Underwater Drilling Blasting. Water 2022, 14, 2837. https://doi.org/10.3390/w14182837

AMA Style

Wan Y, Li W, Du H, Yang X. Investigation of Shock Wave Pressure Transmission Patterns and Influencing Factors Caused by Underwater Drilling Blasting. Water. 2022; 14(18):2837. https://doi.org/10.3390/w14182837

Chicago/Turabian Style

Wan, Yu, Wenjie Li, Hongbo Du, and Xiao Yang. 2022. "Investigation of Shock Wave Pressure Transmission Patterns and Influencing Factors Caused by Underwater Drilling Blasting" Water 14, no. 18: 2837. https://doi.org/10.3390/w14182837

Find Other Styles
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Access Map by Country/Region

1
Back to TopTop