Liebherr Produces Reference Book on Cranes for the Deep Foundation Industry

Mon November 16, 2009 - National Edition

Cover from the Liebherr Compendium of Special Deep Foundation — Vol 2.
Cover from the Liebherr Compendium of Special Deep Foundation — Vol 2.

A comprehensive guide to the use of duty-cycle crawler cranes for constructing deep foundations is now available to engineers, students and planners.

Publication of Special Deep Foundation: Compendium Methods and Equipment. Volume II: Drilling machines and hydraulic crawler cranes follows the publication last year of Volume I that focused on piling rigs.

The methods and equipment technology used to construct deep foundations have progressed rapidly in recent years. The selection of the most appropriate method and machinery demands ever more specialized knowledge and practical experience. These two books together comprise an authoritative reference to keep engineers up to speed with the latest developments in the deep foundation industry. They provide a comprehensive overview of ground stabilization techniques and the equipment options available, according to the authors.

The books also are proving themselves to be valuable in the education of engineers. Professor Mike Vorster of Virginia Tech’s department of Civil & Environmental Engineering said: “I use the Liebherr Compendium to great effect in my Construction Means and Methods Class. It gives the students a unique and practical insight into the relationship between the technical challenges of construction and the equipment, used to achieve effective and economical solutions.”

The books are the result of intensive collaboration between engineers, technicians, machine manufacturers and users to give guidance for the planning, design and execution of foundations. They have been edited by equipment manufacturer Liebherr-Werk Nenzing GmbH of Nenzing, Austria and foundations specialist BVV Spezialtiefbautechnik Vertriebs GmbH of Munich, Germany. They are published by Wiley.

Volume I covers applications of the Liebherr LRB series of piling and drilling. Volume II covers Liebherr’s HS duty-cycle cranes and LB traditional rotary drilling rigs.

Each chapter discusses construction techniques and potential applications, along with the associated machine components. The specifics of each method and machine technology are examined in detail, together with technical and economic parameters. Photographs and technical diagrams are used extensively throughout.

Topics covered include:

• Drilled piles

• Augered piles — Partial and full displacement augered piles

• Steel beam profiles and steel pipes in bore holes

• Sand and gravel piles; soil exchange

• Pre-drilling

• Well drilling

• GEWI piles

• High-pressure injection

• Wet-mix pile/MIP pile

• Slurry wall

• Impact driving of steel profiles

• Deep compaction

• Impact driving of steel sheet pile profiles, steel beam profiles and steel pipes

• Impact driving of precast reinforced concrete and pre-stressed concrete driven piles

• Dynamic soil compaction.

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