Performance of Pile Driving Hammers

by Frank Rausche, Asst. Prof. of Engrg.; Case Western Reserve Univ., Cleveland, OH,
George G. Goble, Prof. of Civ. Engrg.; Case Western Reserve Univ., Cleveland, OH,

Serial Information: Journal of the Construction Division, 1972, Vol. 98, Issue 2, Pg. 201-218

Document Type: Journal Paper


Using results from both theory and measurements the action and behavior of hammer-pile systems are considered. Three types of models are used to describe the behavior of a hammer-pile system. One is the wave solution of St. Venant for a pile struck by a rigid body. The two other models use a mass and a spring to describe the effects of blocks and cushions, respectively. The interpretation of measured quantities using such models allows conclusions to be drawn regarding the driving ability of a hammer, situations involving pile damage, energy losses and transfer and characteristics of certain measured quantities. As a result it is shown that the Michigan records were meaningful within the particular measuring system used and recommendations are given for a transducer design that allows the measurement of more meaningful quantities. Diesel hammer performance and energy output is analyzed and it is shown that these hammers perform adequately.

Subject Headings: Pile driving | Energy measurement | Piles | Rigid body dynamics | Damage (structural) | Energy loss | Petroleum | Michigan | United States

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