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Article
Punching Mechanism of Air-Deck Stemming for Drilling Blasting and Its Influence on Rock Fragmentation
Nowadays, the blasting volume and the corresponding explosive demand have been increasing more and more with the continuous growth of open-pit mining projects. There is a substantial waste of explosive energy ...
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Article
Analysis of Causes of Vibration Differences Induced by Different Kinds of Blastholes Based on the Interpretation of Blasting Parameters: A Case Study in Dam Foundation Excavation
The vibration characteristics induced by different kinds of blastholes, such as presplitting blastholes, smooth blastholes, and production blastholes, are quite different. Figuring out the vibration difference...
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Article
Analysis of Toe Formation in Stress-Concentration Zones on High Rock Slopes
Toe formation is a phenomenon resulting from unconnected cracks between blastholes,which occurred during blasting excavation of the abutment slot at Baihetan hydropower station. Analysis of crack development h...
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Article
Study of S wave identification based on measured blasting vibration signals and its application under engineering scale
S wave identification is an indispensably important step in the process of deriving the dynamic parameters of rock masses, which has great significance in guiding the construction and design of hydraulic engin...
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Article
Safety threshold of blasting vibration velocity in foundation excavation of Baihetan super-high arch dam
Blasting damage control is one of the main problems in the dam foundation excavation of Baihetan Hydropower Station, and it is important to study the relationship between the blasting vibration and blasting da...
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Article
The influence of flowing water coupling condition on the result of rock mass acoustic test
Control of blasting induced damage zone is one of the important topics in hydropower project construction, and the acoustic test method is commonly used to discriminate the blasting induced damage zone. Howeve...
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Article
Rock mass utilization for the foundation surfaces of high arch dams in medium or high geo-stress regions: a review
The complex geological conditions of high arch dam sites could increase the difficulty in the design and construction processes, making the selection of the dam foundation surface a major subject in high dam e...
