Driving Piles with Stub Leaders and a Template

The best known setup for pile driving equipment is a crane and a set of full-length (of the pile and hammer) leaders, attached to the crane in a variety of ways.  But another alternative is to use a "stub" leader, i.e., one that is very short, and a template to align, position and guide the … Continue reading Driving Piles with Stub Leaders and a Template

Vulcan’s Most Famous Sheet Piling/Extractor Photo

The photo above, dating from 1949, shows a worker tightening the bolts on the connecting links of a Vulcan extractor to the top of a prepared sheet piling in preparation to impact the sheeting upwards and take it out.  This photo was used for many years in Vulcan literature, including Vulcan Bulletin 71B.  (Note: don't … Continue reading Vulcan’s Most Famous Sheet Piling/Extractor Photo

Parts Diagram for DGH-900 Hammer

Above is a parts diagram for the Vulcan DGH-900 hammer, from the late 1950's.  It's similar to the DGH-100 hammer.  More information about these hammers is here.  The complete Field Service Manual for both DGH series hammers is in the vulcanhammer.info Guide to Pile Driving Equipment.

An Overview of Tapered Pipe Threads, and Their Application at Vulcan

It's hard to imagine that much of our technology is underpinned by very old, basic standards that year after year simply "do their job" without much regard.  One of those is tapered pipe threads.  This is a brief overview of same, and specifically the "National Pipe Taper" or NPT threads.  Much of this material comes … Continue reading An Overview of Tapered Pipe Threads, and Their Application at Vulcan

Pile Buck Ads 5: Vulcan 530 in Offshore Leaders — vulcanhammer.net

For the last of the “Pile Buck Ads,” a photo of the Vulcan 530 hammer is featured in offshore stub-type leaders. The 530, introduced in 1978 for driving pipe piles offshore in the Gulf of Mexico, was and is used in a wide variety of pile driving projects. In this case it’s shown to be […] … Continue reading Pile Buck Ads 5: Vulcan 530 in Offshore Leaders — vulcanhammer.net

Pile Buck Ads 4: Link Belt Diesel with a Mandrel — vulcanhammer.net

The fourth in our series on the ads which Pile Buck allowed vulcanhammer.net to run was this shot of a Link Belt 520 driving shell piles using the Vulcan Expanding Mandrel. The mandrel’s history and shell piles in general are discussed here. The Link Belt 520 is an interesting story in itself. The diesel […] via … Continue reading Pile Buck Ads 4: Link Belt Diesel with a Mandrel — vulcanhammer.net

The Pile Buck Ads 2: Vulcan #1 Hammer in Action — vulcanhammer.net

On this, the twenty-second anniversary of the beginning of this site, we present another of the ads which Pile Buck allowed us to run in their books. It shows the Vulcan #1 hammer on the South Side of Chicago. It also features the URL of the vulcanhammer.info site, which is dedicated to Vulcan hammers and […] … Continue reading The Pile Buck Ads 2: Vulcan #1 Hammer in Action — vulcanhammer.net

Vulcan 014 and 016 Valve Gear Assembly

Above is a valve gear diagram for the Vulcan 014 and 016 hammers.  It shows the workings of the valve, its positioning during operation and other details.  Although Vulcan made improvements after this drawing (valve liners and Vari-Cycle, for example) it shows the basics of the valve which has done well in Vulcan hammers for … Continue reading Vulcan 014 and 016 Valve Gear Assembly

Vulcan Sheave and Cylinder Head Assembly

Above is a Vulcan diagram of the sheave and cylinder head assembly for Vulcan #2, #1 and #0 series hammers, which include the 06, 505, 506, 0R, 08, 010, 012, 508, 510 and 512 hammers.  It includes the factory intended wire rope sizes for these hammers.  Some additional notes are as follows: Sheave and sheave … Continue reading Vulcan Sheave and Cylinder Head Assembly