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Telescoping pier foundation

a telescopic, pier-type technology, applied in the direction of protective foundations, foundation engineering, construction, etc., can solve the problems of virtually no means of resisting lateral loads and minimal structural support, and achieve the effect of convenient adaptation and a safer form of low-income housing

Inactive Publication Date: 2007-09-13
TELEPIER FOUND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

"The patent describes a telescoping pier foundation system for supporting building structures from the ground. The system includes a hollow base and a telescoping member that can be raised and secured to the building. The system can be customized to the height of the building's structural members. The telescoping member is made up of a hollow base and a column member that can be embedded in the hardened filler material. The system also includes ground anchors to secure the base to the ground. The filler material hardens to form a composite pier foundation that supports the building. The system provides a strong and stable foundation for the building while also providing resistance to uplift and lateral forces. The telescoping pier foundation system is easy to install and can be used in various building structures."

Problems solved by technology

These types of support foundations provide minimal structural support.
Further, these blocks are often placed without the use of mortar, providing virtually no means for resisting the lateral loads created by both wind and seismic activity.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0091] A sample of a telescoping pier foundation system, similar to the pier foundation system 100 illustrated in FIG. 1 constructed from PVC material and filled with 4000 psi concrete was tested and certified against the ASCE 7-98 “Minimum Design Loads for Buildings and Other Structures,” and HUD-7584, “Permanent Foundations Guide for Manufactured Housing.” The base 11 of the sample was about 8.25 inches tall and had an I.D. of 12 inches and a wall thickness of 0.5 inches. The column portion 30 of the sample was about 9.5 inches tall and had an I.D. of 6 inches and a wall thickness of 0.25 inches. The telescoping member 40 had an I.D. of 4 inches and a wall thickness of ¼ inches. The pier foundation system 100 tested was filled with concrete as the filler material. Two helical ground anchors were used to anchor the pier foundation. The ground anchors were installed slanted at approximately 20 to 30 degrees from the vertical. They were installed with the slant orientation perpendicu...

example 2

[0092] In another set of tests, telescoping pier foundation installed according to the configuration illustrated in FIG. 18 where the total pier foundation height from the surface of the ground up to the building's structural I-beam 80 is about 3 ft. was tested. The internal cavity of the pier foundation was again filled with concrete. The average ultimate uplift and lateral loads based on a minimum of three tests are 6,075 pounds and 4,654 pounds, respectively.

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Abstract

A telescoping pier foundation system comprises generally an outer shell preferably made of a tough and high-strength material, such as, a suitable polymer or a metal alloy, having an internal cavity for receiving a filler material. The outer shell comprises a stationary portion and at least one longitudinally telescoping member in longitudinal alignment with one another and connected to one another to achieve a given height, length or depth for forming a pier foundation. After the telescoping member is adjusted to the height necessary to support a building structural member, a fastener, whose anchor portion extends into the internal cavity of the telescoping member, is secured to the structural member and the internal cavity of the outer shell is filled with the filler material that hardens to form a composite pier foundation.

Description

CROSS REFERENCE TO RELATED APPLICATIONS [0001] This application is a continuation application of the copending U.S. patent application Ser. No. 10 / 797,615, filed on Mar. 10, 2004, which is incorporated herein by reference.FIELD OF THE INVENTION [0002] The present invention is directed generally to building foundation supports, and more particularly to a telescoping pier foundation system for forming support foundations for buildings such as manufactured homes. BACKGROUND [0003] Certain housing structures are typically prefabricated off-site and in sections consisting of multiple segments, transported to the building site, and then fastened together and placed on foundations. Such housing structures or houses are generally referred to as manufactured homes. In the construction of manufactured homes, because of economic constraints, the foundation systems used are typically very simple pier foundations. Pier foundations generally support homes on short columns attached to small concre...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): E02D5/56E02D31/02E02D5/10
CPCE02D27/01
Inventor BROWN, MICHAEL JERRY
Owner TELEPIER FOUND