As we saw in the previous post, Sanders' Formula wasn't the last word in dynamic formulae, and neither were Weisbach's. Faced with this proliferation, the U.S. Army Corps of Engineers put together the document Pile Foundations and Pile-Driving Formulae, Circular No. 17, Office of the Chief of Engineers, U.S. Army. It was dated 28 November … Continue reading Putting Dynamic Formulae to the Test: the Proctorsville Fort Project
At the start of this, it's probably worthwhile to repost the following: In the early 1970’s, when the Brezhnev era seemed most full of promise, an elderly Frenchman travelled from Moscow to Khabarovsk on the Trans-Siberian railway. After only a few hours at the eastern end of the line he boarded the train again for … Continue reading Diesel Hammers: The Russian Hammers and Hemi-Headed Pile Drivers
The classic Delmag diesel hammer, a D-30, early 1990's. In Diesel Hammers: Some Basic Thermodynamics, and the Mean Effective Pressure it was noted that the diesel hammers were developed in Germany between the World Wars. The Germans went to war the second time with diesel hammers in hand to aid their war effort. (The U.S. did … Continue reading Diesel Hammers: Delmag, Nilens and the Method of Analysis
It is my custom to link to and make comments on papers which cite my work. This paper is titled Construction of a mathematical model of dynamic loads in a jib self-propelled crane when pulling a sheet pile out of the ground. It comes from Ukraine, and it is the first study of its kind … Continue reading Comments on “Construction of a mathematical model of dynamic loads in a jib self-propelled crane when pulling a sheet pile out of the ground.”
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