Physical model studies on damage and stability analysis of breakwaters armoured with geotextile sand containers

Elias, Tom; Shirlal, Kiran G.; Kajal, E V

doi:10.1016/j.geotexmem.2020.12.001

Cited by 15 publications

(9 citation statements)

References 27 publications

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“…The core grading resulted in fine particles due to the selected scale, making it impermeable in the model scale. The elaborate structural design of GSC breakwater is discussed in Elias et al 30 and is beyond the scope of the current paper. Geotextile scaling is almost unattainable due to the difficulty of fabricating 30 times thinner fabric.…”

Section: Physical Modellingmentioning

confidence: 99%

“…As inferred from the work of Rajagopal et al 44 , the cement percentage to be added to GSCs is estimated to be 15 and 20% of GSC weight. The individual GSC units size, volume, shape, arrangement etc., are selected based on the extensive experimentations by Elias et al 26 , 30 . Equation ( 1 ) is used for the volume calculation of a fully inflated rectangular bag with length a and breadth b, which cannot stretch or shear 48 …”

Section: Physical Modellingmentioning

confidence: 99%

“…with geotextiles being widely used for coastal engineering applications 25 , 26 . Coastal engineering applications of geotextiles include revetments 27 , embankments 28 , breakwater 29 , armour units of breakwaters 30 , 31 and other coastal protection structures 8 , 12 , 32 – 35 . Geosynthetic sand containers (GSCs) are proved to possess various benefits over conventional rock constructions 36 .…”

Section: Introductionmentioning

confidence: 99%

“…Physical experimentations conducted by Elias et al 30 investigates the efficacy of sand encapsulated geotextile containers as the armour units of breakwater structures. The study confirms the utility of geotextile sand containers (GSCs) up to a wave height of 3.96 m (prototype) when used as armour units of breakwaters.…”

Section: Introductionmentioning

confidence: 99%

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Preliminary investigation on stability and hydraulic performance of geotextile sand container breakwaters filled with sand and cement

Elias

Shirlal

2022

Sci Rep

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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. 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.

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Section: Physical Modellingmentioning

confidence: 99%

Section: Physical Modellingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Preliminary investigation on stability and hydraulic performance of geotextile sand container breakwaters filled with sand and cement

Elias

Shirlal

2022

Sci Rep

Self Cite

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“…Research has highlighted the need for more studies on soil-geotextile interaction to obtain better solutions for stresses and deformation behavior [13,14], as well as installation damage [15][16][17]. Elias et al [18] and Tan et al [19] describe natural elements as stress concentrators. For all of these cases, the thickness of the geosynthetics is important to prevent perforation.…”

Section: Introductionmentioning

confidence: 99%

A Non-conventional Durability Test for Simulating Creep of Geosynthetics Under Accelerated Degradation

Filho

Maia

2021

Int. J. of Geosynth. and Ground Eng.

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The evaluation of the durability of geosynthetics for application in real structures is an important field of investigation. Within this field, the interaction between degradation agents that geosynthetics can be subject to, in their different applications, is an increasingly studied issue, because it can have direct implications in the design of the materials. Thus, this article explores a non-conventional test for geosynthetics, to simulate creep under accelerated conditions using a saturation and drying procedure simultaneous to the creep process. In this way, the material is closer to the exogenous field conditions as in, for example, riverside projects or even in coastal protection. For this, a total of 48 tests of conventional creep and under accelerated degradation conditions were carried out in 4 different geotextiles. From these tests, models were proposed and presented coefficients of determination greater than 0.84. Additional results indicate an increased strain rate ranging between 5 and 16 times in creep test from the moment that degradation simultaneous with creep is induced. Reduction factors greater than 3 indicated a very aggressive degradation process. In general, the study showed that ensuring the design life of geosynthetics calls for a simulation of degradation conditions that demand more from these materials. By enabling a more precise analysis of field conditions the creep test under accelerated conditions presents an excellent tool for project design. The significance of this study for geosynthetics design is in providing general knowledge of creep under accelerated conditions using equations and models to determine important geosynthetic parameters.

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Spatio-temporal classification and prediction of land use and land cover change for the Vembanad Lake system, Kerala: a machine learning approach

Parthasarathy

Deka

2021

Environ Sci Pollut Res

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Physical model studies on damage and stability analysis of breakwaters armoured with geotextile sand containers

Cited by 15 publications

References 27 publications

Preliminary investigation on stability and hydraulic performance of geotextile sand container breakwaters filled with sand and cement

Preliminary investigation on stability and hydraulic performance of geotextile sand container breakwaters filled with sand and cement

A Non-conventional Durability Test for Simulating Creep of Geosynthetics Under Accelerated Degradation

Spatio-temporal classification and prediction of land use and land cover change for the Vembanad Lake system, Kerala: a machine learning approach

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