Much of the narrative around Vulcan centres on the development of the Warrington-Vulcan pile hammer design in the late 1880's (and the serial number records aren't the most informative about when exactly the final transition to that design was made.) But how did Vulcan come up with the valve design it made its standard? Some … Continue reading Some Insight into the Origin of Vulcan’s Pile Hammer Valve System
Sheet pile walls are deceptively simple retaining walls to analyse. Because a) the loads are generally distributed and b) the layering of the soil is complex, a simple problem can turn into a complicated one very rapidly. An outline of the hand solution method for cantilever walls is shown below. That's why today software such … Continue reading Designing Cantilever Sheet Pile Walls Using a Chart
For the rest of the book, click here. For more information on the impact-vibration hammers, click here. When carrying out excavation work in winter or in permafrost conditions, the most labor-intensive and expensive operation is the loosening (preliminary destruction) of frozen soil. This operation is performed using various mechanisms and devices. All of them have … Continue reading Application of Vibratory Hammers in the Development of Frozen Soils
For the rest of the book click here. Recently, some construction organizations have begun to use the vibration method for immersing and removing large-diameter casing pipes. At Stalingradgidrostroy recently [65], a hydrovibration method for immersing pipes with a diameter of 400-500 mm has been developed and successfully implemented. Using this method, it was possible to … Continue reading Drilling Using Vibration of Deep Dewatering and Artesian Wells
This is another in a series of technical reports on vibratory and impact-vibration pile driving equipment. It is scheduled to be presented at the 2024 Arts and Research Conference at the University of Tennessee at Chattanooga. You can download the paper here. The abstract is as follows: Abstract: Driving piles by longitudinal vibrations has been … Continue reading Analysis of Vibratory Pile Drivers using Longitudinal and Rotational Oscillations with a Purely Plastic Soil Model
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