Coastal land reclamation and erosion prevention system
Kind Code:

The invention's structure consists of layered vehicle tires connected both vertically and horizontally to form a continuous barrier structure. The tires are pre-filled with an aggregate matching the medium at the installation site and sealed to retain the fill. This pre-fill generates a neutral buoyancy. The tires are laid flat horizontally with the tread areas touching and formed into a continuous straight row by strapping one to the next with a corrosion resistant material equivalent to stainless steel banding. Successive layers are fabricated and placed atop the initial layer in an offset manner which places the strapped unions directly over the tire center openings of the next lower layer. Strapping is applied vertically between alternate layers and layers are added to reach the desired height of the overall structure. The subsequent structure is installed in a prepared three (3) foot trench running parallel to the coast line. Screw type anchors are attached at thirty (30) foot intervals to assist in stabilizing the structure. The structure is constructed at a height that permits the incoming wave and tidal action to carry sand/soil over the structure and, by slowing the retreating water, the particulate will be deposited and accumulated on the coast side of the structure.

Toups Jr., Wilfred (Orange, TX, US)
Stanley, Richard Dale (Spring Hill, FL, US)
Application Number:
Publication Date:
Filing Date:
Primary Class:
Other Classes:
405/15, 405/31, 405/302.6
International Classes:
E02B3/06; (IPC1-7): E02B3/04
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Primary Examiner:
Attorney, Agent or Firm:
1. It is claimed that deployment of the structure in this invention will reclaim soil or sand of coastal areas using the natural action of the area's water and wind to capture the medium moved by the elements.

2. It is further claimed that deployment of the structure in this invention will prevent erosion of the area of its deployment by providing a stable protective barrier against the prevailing elements.



U.S. Pat. No. 5,011,327 April, 1991 Thiac

U.S. Pat. No. 5,178,489 January, 1993 Suhayda

U.S. Pat. No. 5,370,475 December, 1994 LeBlanc

U.S. Pat. No. 5,645,371 July, 1997 Marzullo

U.S. Pat. No. 5,820,295 October, 1998 Buteaux

U.S. Pat. No. 6,213,687 April, 2001 Broughton et al.

U.S. Pat. No. 6,375,387 April, 2002 Gabor et al.


No U.S. federal funds have been acquired or used in the research and development of this invention.



The referenced prior art patents that are related to this application are concerned with the reduction of erosive effects of water on land areas and describe the functionality of using vehicle tires, or portions of tires, to form various structural designs that have the capability of altering the way hydrodynamic forces act on coastal areas. They describe the loss of land mass and the need to prevent these losses. The structures, presented by the referenced prior art, are anchored to the seabed with a variety of anchoring devices, attached to pilings that allow pivotal movement not conducive to soil retention, or are deployed in a widely scattered array that depends on its coverage mass for its positional stability. In the case of Thiac, U.S. Pat. No. #5,011,327, the patented structure uses tires cut in half and bolted together leaving one side open. In the case of Marzullo, U.S. Pat. No. #5,645,371, the structures allow the possible accretion area to empty and fill with the tidal action which negates the accumulation process. In the case of Suhayda, U.S. Pat. No. #5,178,489, the various structures sited sit on the seabed or are suspended on piling. Each of these forms allows the captured sediment to washout under and between the columns. In the case of LeBlanc, U.S. Pat. No. #5,370,475, the area blanketed by the tire structure has a very limited area to allow reclaimed soil to accumulate. The blanketing design becomes massive when built to a height effective for reclamation and would create a large site unusable for recreational purposes as well as being an eyesore to the area.


The basic concept of this proposed invention is to provide a practical and economical system to reclaim land that has been lost to the erosion process and ensure that it remains stable after reclamation. Additionally, this system is upgradeable and can be modified at any time to increase its effective area. The research on vehicle tires that were naturally filled with their surrounding medium of sand, silt or mud, has shown that the tire had a virtual neutral buoyancy and a density that closely matched that of the medium in which it was located. Because of this characteristic, the tires anchored the medium while still being flexible enough to track with the overall medium movement generated by wave, current and tidal actions. With this knowledge, it was possible to engineer and deploy a structure capable of restraining the shoreside sediment that accumulated to the height of the structure. An overlapping interlocking tire structure provides the necessary strength and, by burying the bottom section of the structure during the initial deployment, it becomes self anchoring and prevents seabed currents from undercutting the structure. Additional anchoring is used in coastal beach areas where severe storm wave and tidal actions would be encountered. The structure accepts extensions both vertically and horizontally to increase the area of reclamation as well as adapting to variations or obstructions in the terrain. The systems capability of being installed in phases minimizes any negative effects to both beach access and landscape appearance.


The invention uses vehicle tires that have unbroken tread and sidewall areas, ensuring that the tire is capable of retaining a filler material when the inner opening of the tire is closed and sealed using a strong tape or screws. A purposely cut 4 inch opening is made on one side of the tire and a slurry sand/soil fill is injected. The opening is closed and sealed using either a strong tape or with screws. Filled tires are laid flat in a single continuous straight line with the tread areas touching. The tires are secured to each other with a corrosion resistant strapping such as stainless steel that encircles the area of contact. The layer of tires formed by this process becomes one of several layers that forms the invention structure. The tire layers are stacked vertically atop the initial bottom layer in an interlocking offset fashion where the strapped tire unions of alternate layers align vertically. Alternate layers are then vertically strapped together at the outer extremities on both sides of the structure as depicted in Illustration 1. The structure is completed to the desired height and installed in a continuous open trench that extends the full length of the proposed reclamation area. The trench will have been excavated to a depth of three (3) feet to provide sufficient positional anchorage for the tire structure base as well as being at a depth unaffected by the natural seabed currents that would wash out under the structure. Screw type anchors are installed on the shore side of the structure at thirty (30) foot intervals. The anchors connect near the top of the structure and are deployed at a forty five (45) degree angle to a point below the bottom of the structure. Additional anchors are deployed on the sea side of the structure in coastal areas having more severe weather conditions.

Illustration No. 1

A view of the system's structure, from shore side, depicting the multiple layers and the vertical strapping style to make the structure rugged. The strapping is of a corrosion resistant material, such as stainless steel, with a crimp type fasteners for ease of installation. The structure is placed in the installation ditch and the lower layers are submerged in the local soil medium. The three (3) foot screw type anchors are deployed and attached to the structure. There is no limit to the horizontal distance to which the structure could be extended. The structure can be increased vertically by stacking and strapping additional layers atop the previously installed structure.

Illustration No. 2

An end view of a basic system structure as it would appear deployed in the installation ditch. The location depicted in this illustration is of a coastal beach type and would be extended vertically as shore side beach accretion occurred. Anchors, in this instance, are shown on both the shore as well as the sea side of the structure. This application would be used in a locale that is prone to severe weather and the resultant wind, water and tidal effects.

Illustration No. 3

This view illustrates the use of twin structures that promotes the reclamation of a larger area in a shorter amount of time. These structures also retain dredged backfill in the case where immediate use was necessary.

Illustration No. 4

The process of filling the tires is accomplished by first closing the inner tire access area with screws as in Detail A, Tire #1, or with a durable and strong tape as in Detail B, Tire #3. A temporary access is cut in the sidewall area to allow a slurry of soil medium to be injected and the access closed with screws (Tire #2) or a strong tape (Tire #4). The tires are then strapped to each other in a continuous chain to form the individual layers.

Illustration No. 5

The filled tires are positioned side by side with tread areas touching and strapped to form the continuous chain layer. As the layer is generated to an accepted distance, additional layers may be started atop the previous layer and continue the process of forming the overall structure as depicted in Illustration No. 1.