Category: Vulcan and Vibratory Hammers

The rest of the book can be found here. Analyzing the data given in § 1 and 2, the effect of the interaction of the vibrating body with the ground can be explained as follows. During vibrational immersion of elements into the ground, by introducing additional sign-alternating forces and/or torques, it is possible to significantly … Continue reading Scope of Effective Application of the Vibration Method and Classification of Vibration Machines

For the rest of the book, click here. During the experimental study of the process of vibro-driven piles (O. A. Savinov, A. Ya. Luskin, M. G. Tseitlin, S. V. Plekhanova, 1954; N. A. Preobrazhenskaya, 1958; D. D. Barkan, 1959) and analysis of the results of studies of the lateral and frontal soil resistance (I. I. … Continue reading Calculation Models of the Interaction of an Immersed (Extracted) Element With the Soil

For other parts of the book, click here. Experimental data on the processes of vibro-driving and vibro-extracting were obtained for the first time by D. D. Barkan, who established the possibility of a significant decrease in the constant force required to drive a pile or extract it, in the case when the pile makes longitudinal … Continue reading The Essence of the Processes of Vibrational Immersion and Extraction. Interaction of Vibrating Bodies With Soil.

I recently wrote a paper entitled Development of a Parametric Model for the Simulation of Impact-Vibration Pile Driving Equipment. It was presented earlier today at the 2023 Spring Research and Arts Conference; the slide show for the talk is here. One of the impact-vibration hammers featured--probably the "cleanest" one in terms of the results--is the … Continue reading The S-402A Impact-Vibration Hammer

I found the recent paper by Metrikine et.al. (most of the authors are from Delft University) entitled "GDP: A New Technology for Gentle Driving of (Mono)Piles" interesting about combining longitudinal and rotational vibrations to install piling in a "gentler" manner. But is this new? Not really, as can be seen in this excerpt from Immersion … Continue reading Vibratory Pile Driving: Using Both Longitudinal and Rotational Vibrations Isn’t New

We present two papers on these topics, one first presented last year and one which has just been completed. Inclusion of Rotational Inertial Effects in Power Consumption Calculations for Vibratory Pile Equipment Abstract: Virtually all treatments of power consumption and modelled performance for vibratory pile driving equipment assume a constant rotational speed of the eccentrics. … Continue reading Two Papers on Vibratory and Impact-Vibration Hammers

In Vulcan's last years, its relationship with Soviet (and after that Russian) people and institutions enabled it to obtain some interesting information about their vibratory and impact-vibration hammers. Some of this can be found at our post Material on Vibratory and Impact-Vibration Equipment from the Soviet Union and Russia. Part of that was a collection of … Continue reading Vibratory Drivers, Impact-Vibration Hammers and Apartment Buildings

It's happened again: the paper "Vibratory and Impact-Vibration Pile Driving Equipment" has been cited by Mohammed Al-Amrani and M Ikhsan Setiawan in their paper "Prefabricated and Prestressed Bio-Concrete Piles: Case Study in North Jakarta." The abstract of their paper is here: In this research, we will talk about Prefabricated and Prestressed Concrete piles in general and … Continue reading The Paper “Vibratory and Impact-Vibration Pile Driving Equipment” Cited

The last of our series on "Checking the Soviets" will deal with the roller bearings for the S-834. Roller bearings, be they spherical or cylindrical, are an important part of vibratory pile driving equipment, although for Vulcan's machines cylindrical bearings were the rule. The bearings (#4 in the diagram above) were GOST 5721-57 3614 bearings. … Continue reading Checking the Soviets: The Life of the Bearings