Retaining wall block system

a technology of retaining wall and block system, which is applied in the direction of excavation, foundation engineering, artificial islands, etc., can solve the problems of limited height of walls and blocks that are not generally desirable for taller retaining walls, and achieve the effect of enhancing the structural integrity of the retaining wall

Inactive Publication Date: 2011-09-08
KEYSTONE RETAINING WALL SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0016]The present invention relates to a method of constructing a retaining wall having a dual connection feature that allows the connection of blocks in the wall using a lug system and/or a pinning system. The lug system is used to connect and align blocks by course. The pinning syst

Problems solved by technology

Again these walls will be limited in height due to the minimal connection strength of the lip and geogrid and the potential for the lips to abraid and cut the

Method used

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Examples

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Embodiment Construction

[0035]In this application, “upper” and “lower” refer to the placement of the block in a retaining wall. The lower surface faces down, that is, it is placed such that it faces the ground. In forming a retaining wall, one row of blocks is laid down, forming a course. A second course is laid on top of this by positioning the lower surface of one block on the upper surface of another block.

[0036]The retaining wall blocks of this invention are symmetrical about a vertical plane of symmetry. The blocks are provided with pin holes, a pin receiving channel, and at least one core which serve to decrease the weight of the block while maintaining its strength while also providing ease of construction of a retaining wall. The blocks are also provided with a lug(s). The location, shape, and size of the pin holes, pin receiving channel, lugs and core are selected to maximize the strength of the block, as described by reference to the drawings. It is also to be understood that the pin holes, pin r...

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PUM

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Abstract

A wall block having a block body having opposed front and rear faces, opposed first and second side walls, and opposed and substantially parallel top and bottom faces, one or more pin holes that open onto the top face of the block, and one or more lugs that extend from the bottom face, each lug having a back surface that extends contiguously from the rear face of the block. A corner block for use with the wall block. A retaining wall comprising a plurality of wall blocks including at least one lower course and at least one upper course.

Description

[0001]This application claims the benefit of U.S. Provisional Patent Application No. 61 / 309,650, filed Mar. 2, 2010, entitled “Retaining Wall Block System”, the contents of which are hereby incorporated by reference herein.FIELD OF THE INVENTION[0002]This invention relates generally to retaining wall blocks and retaining walls constructed from such blocks. In particular, this invention relates to a retaining wall block system having a dual connection feature that allows the connection of blocks in the wall using a pinning system and / or a lug system. The pinning system is used to interconnect blocks in upper and lower courses and additionally used as a geogrid soil reinforcement connection element. The lug system is used to connect and align blocks by course. The pinning and lug systems prevent block displacement from retaining forces and enhance the structural integrity of the retaining wall constructed.BACKGROUND OF THE INVENTION[0003]Retaining walls are used in various landscaping...

Claims

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Application Information

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IPC IPC(8): E02D17/00E04C1/00E02D29/02
CPCE02D29/025
Inventor MACDONALD, ROBERT A.
Owner KEYSTONE RETAINING WALL SYST
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