Investigation on Stability & Hydraulic Performance of Geotextile Sand Container Breakwaters

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An article in nature summarizes the preliminary investigation on stability and hydraulic performance of geotextile sand container breakwaters filled with sand and cement.

Importance of breakwaters

Breakwaters are essential constructions providing tranquility to ports and harbour structures, when there is a lack of natural protection measures.

Traditionally these massive structures are constructed using natural rocks weighing tonnes. In the present scenario, obtaining huge natural rocks are difficult as well as non-eco-friendly.

Geotextiles sand containers (GSCs) emerges as a suitable alternative for the rock armour units of breakwaters and various literatures supports its efficacy.

Hydraulic performance and stability analysis of cement and sand filled geotextile breakwater models

The present investigation aims at analysing the performance of GSCs when filled with a calculated amount of cement and sand. The Hydraulic performance and stability analysis of cement and sand filled geotextile breakwater models are carried out in a 1:30 scaled monochromatic wave flume. When GSC breakwaters are filled with sand and cement, up to 43% increased stability is observed with a considerable decrease in wave runup, rundown and reflection, than sand-alone filled units.

As a result, cement-sand filled GSC units can be suggested as a possible alternative to sand alone filled units where vandalism has to be countered.

Download the full report here.

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Source: Nature

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