A fatigue resistant gravity based spread footing under heavy multi-axial cyclical loading of a wind tower. The foundation having a central vertical pedestal, a substantially horizontal continuous bottom support slab with a stiffened perimeter, a plurality of radial reinforcing ribs extending radially outward from the pedestal. The pedestal, ribs and slab forming a continuous monolithic …

Legal parties

Inventors (applicants): Ahmed Phuly
Agents: Steven E. Kahm (attorney)

The application was examined by Michael Safavi (USPTO dept. 3631)


  • 1. A fatigue resistant foundation comprising: …
  • 2. A foundation as in claim 1 wherein, …
  • 3. A foundation as in claim 2 wherein, …

Cited documents


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  • EP 1074663 A1, Feb. 1, 2001

Brief Description of the Drawings

FIG. 1 is a plan view of the foundation. FIG. 2 is a sectional elevation view of the foundation cut near the ribs. FIG. 3 is sectional elevation …


Background of the Invention

1. Field of the Invention This invention relates to building fatigue resistant foundations for supporting columns, towers and structures under heavy cyclical loads such as for onshore and offshore wind …

Cross Reference to Related Applications

This application claims the benefit of provisional applications 61/215,430 filed May 5, 2009, 61/269,800 filed Jun. 29, 2009, 61/284,901 filed Dec. 28, 2009, 61/339,550 filed Mar. 5, 2010. This application …

Detailed Description of the Preferred Embodiments

The present invention pertains to a wind turbine foundation for wind turbines. The foundation comprises a plurality of components, namely a central vertical pedestal, a substantially horizontal bottom support slab …

More details about Foundation With Slab, Pedestal and Ribs for Columns and Towers

Miscellaneous patent data

The patent is illustrated by 40 drawings, similar patents are classified under Overlaps panel edge face and panel major face, Handling of bulk concrete specially for foundation purposes, Keeping dry foundation sites or other areas in the ground, releasable frame section retaining facer, Insert having aligning feature, Compacting soil locally before forming foundations, Construction of foundation structures by forcing binding substances into gravel fillings, Particularly related to adjacent module, Sealing joints between adjacent piles, Slab or panel construction, Sampling of soil, the application publication date is Jul. 5, 2010, the exemplary patent drawings are Sectional elevation view of the foundation, sectional elevation view of the foundation, Foundation With Slab, Pedestal and Ribs, Plan view of the foundation, the published agent's name is Kahm Steven E., the applicant's first name is Ahmed, and his last name is Phuly, the applicant's city - Andover, state - MN, the grant date is Mar. 4, 2014 (publication date), the invention is titled Foundation With Slab, Pedestal and Ribs for Columns and Towers, the grant publication number is 08661752, particularly claims a fatigue resistant foundation comprising…, developed by Ahmed Phuly, the known inventor's name is Phuly Ahmed, the inventor's location - Andover, MN, 61 figures depict the invention details, the claim number 1 is selected as exemplary, the application was examined by Michael Safavi (3631 USPTO department), claims 1-35 comprise the invention scope, categorized under Supporting shaft as a primary classification, the application number is 13/319,083 (U.S.).

Invention classification information

The invention is classified under Supporting shaft, Foundations for poles, masts, or chimneys. The designated search classifications include Using prefabricated unit, On shaft or tower, Shaft; i.e., elongated rigid structure, Supporting shaft, Foundations for poles, masts, or chimneys, Concrete type, Discrete, spaced foundation elements, Support, Column, mast, etc., construction.

Patent details
Publication number 08661752
Publication date Mar. 4, 2014
Kind code B2
Application number 13/319,083
Application date Jul. 5, 2010
Application type U
Application series code 13
Int. pub. country WO
Int. pub. number WO2010/138978
Int. publication Dec. 2, 2010
Int. filing country WO
Int. filing PCT/US2010/041006
Filed internationally Jul. 5, 2010
National stage date Nov. 5, 2011
National classification 52/296
Total number of claims 35
Exemplary claims 1
Number of drawings 40
Number of figures 61
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