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Hydraulic dam

Inactive Publication Date: 2005-11-24
FLOODMASTER DESIGN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0006] In one aspect, a water fillable barrier has a tubular water fillable portion with a tongue projecting from one end. With this construction, the tongued end of the barrier may abut the tubular sidewall of a second such water fillable barrier with the tongue wrapped around the second barrier and affixed to the first barrier. This arrangement allows the effective construction of a corner in an hydraulic dam.

Problems solved by technology

Every year large scale floods cause massive property damage and claim many lives.
However, transporting large numbers of sandbags to a flood site is difficult due to the cumulative weight of the bags.
Further, building protective sandbag walls is very labour intensive.
However, there is at present no wide spread use of hydraulic dams.

Method used

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Examples

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Embodiment Construction

[0019] Referring to FIGS. 1a and 2a, a water fillable barrier 10 has a tubular sidewall 14 and opposed end walls 16 and 18, formed by sealing the tubular sidewall closed at either end. A cap sealed flush mounted port 20 is provided to allow the barrier to be filled or emptied of water. The port may and cap may be threaded so that the cap may thread into the port and seal same. FIG. 1a illustrates the barrier in an empty state and FIG. 2a in a water filled state. The barrier 10 may be made of an impermeable flexible material. A suitable material is a linear low density polyethylene (LLDP) material such as POLYFLEX III™ produced by PolyFlex, Inc. of Grand Prairie, Tex. An advantage of an LLDP is that it has no plasticisers which rodents consider as a food. A further advantage is that the material is chemically resistant.

[0020] While a range of barrier dimensions may be suitable, exemplary dimensions for an empty barrier intended to form the base of a water barrier wall are 11′ (3.35 ...

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Abstract

To facilitate construction of an hydraulic dam, a water fillable barrier has a tubular water fillable portion with a tongue projecting from one end. The tongued end of the barrier may abut the tubular sidewall of a second such water fillable barrier with the tongue wrapped around the second barrier and lashed to the first barrier. This arrangement allows the effective construction of a corner in an hydraulic dam. To extend the length of the dam, opposed ends of each of two end-to-end water fillable barriers may be overlapped within a sleeve. When the barriers are then filled with water, they foreshorten. This pulls the overlapping portions back in order to form a high pressure end-to-end abutment between the barriers.

Description

CROSS-REFERENCE TO RELATED APPLICATION [0001] This application is a continuation of application Ser. No. 10 / 432,283 filed on May 20, 2003, which application is a U.S. National Stage entry of International PCT Application No. PCT / CA00 / 01363 having an international filing date of Nov. 20, 2000. The contents of U.S. application Ser. No. 10 / 432,283 are incorporated by reference herein.BACKGROUND OF THE INVENTION [0002] This invention relates to a water fillable barrier, an hydraulic dam comprised of water filled barriers, and a method of erecting an hydraulic dam. [0003] Every year large scale floods cause massive property damage and claim many lives. Typically, efforts are made to protect property from flooding by sandbagging. However, transporting large numbers of sandbags to a flood site is difficult due to the cumulative weight of the bags. Further, building protective sandbag walls is very labour intensive. [0004] It has been conceived to use water filled barriers to selectively da...

Claims

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Application Information

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IPC IPC(8): E02B3/10E02B3/12E02B7/00
CPCE02B3/127E02B3/108Y02A10/11
Inventor SOUSA COSTA, ALBERTO P.G. DE
Owner FLOODMASTER DESIGN
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