Piping expanding bag

Abstract

The invention discloses a piping expansive bag. The outline of technology project is that the piping expansive bag comprises waterproof plastic bag, outer-layer bag, inner-layer bag, guiding rope, dragging rope and water absorption expansive agent; the water absorption expansive agent is set in the inner-layer bag and the water absorption agent comprises attapulgite clay, bentonite, anhydrous plaster powder and high water-absorbing resin. When it is used the waterproof plastic bag is torn, floodwater enters into the inner-layer bag through the outer-layer bag of piping expansive bag. After the water absorption expansive agent in inner-layer bag meets water, the weight and the cubage increase more than 50 times gradually based on the original bag. Flat piping expansive bag becomes a cylinder piping expansive bag with cone-shape front end to jam leak or piping quickly. The piping expansive bag is suitable for jamming leak or piping in flood resisting, building construction.

Description

Technical field: [0001] The invention relates to a novel material for flood prevention and plugging, in particular to a piping expansion bag. Background technique: [0002] In the case of high water level in the flood season, the seepage hole that crosses the dike body near the backwater slope or the foot of the backwater slope, is called leak; the sandy soil is continuously taken away by the water flow under the action of seepage force, and the phenomenon of tubular seepage channel is formed. It is piping, and piping generally occurs on the ground near the foot of the backwater slope or in distant pits, ponds or depressions, mostly in the form of holes emitting water and sand. The outlet aperture is as small as an ant nest, and the larger one can reach tens of centimeters. The number ranges from one or two to dozens, which are called piping groups. Loopholes and piping dangers must be rescued in time, and the dangers should be eliminated in the bud. If they are not rescue...

AI Technical Summary

Problems solved by technology

[0003] Once a leak or piping occurs in the embankment, simply using non-woven fabrics, quilts, cotton wool, straw bags, sacks, woven bags, net bags, cotton clothes, straw handles, soil or sand cannot effectively control the danger.

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