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1

Cholewa, Mariusz, and Karol Plesiński. "Performance Comparison of Geodrain Drainage and Gravel Drainage Layers Embedded in a Horizontal Plane." Materials 14, no. 21 (2021): 6321. http://dx.doi.org/10.3390/ma14216321.

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Drainage materials are widely used, among other uses, in the construction of landfills. Regulations require a drainage layer in the base and a covering for the landfill. The implementation of a gravel drain requires a lot of material and financial outlays. New geocomposite materials are an alternative, and facilitate construction. The aim of the research was to compare the drainage properties of the Pozidrain 7S250D/NW8 geocomposite and gravel drainage. The model test was performed on a specially prepared test stand. The research was carried out for model #1, in which the gravel drainage was b
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Vasilyev, Sergey Mikhailovich, Yuri Mikhailovich Kosichenko, and Oleg Andreevich Baev. "New Types of Geo-Composite Materials for Anti-Filtration Systems." Solid State Phenomena 316 (April 2021): 1031–37. http://dx.doi.org/10.4028/www.scientific.net/ssp.316.1031.

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The article discusses the results of studies of new types of geocomposite materials used for anti-filtration and drainage purposes in hydraulic engineering and environmental protection construction. As the main elements, the presented geocomposite materials include various types of synthetic materials – bentonite mats and profiled geomembrane. A distinctive feature of these materials is the inclusion of additional elements of geotextile material or polymer geomembrane in their design, these elements are connected to the main element by thermal bonding. As a result, the combined geocomposite ma
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Mankodi, Hireni. "Geocomposite Manufactured from PP Nonwoven/HDPE Geonet." Advanced Materials Research 622-623 (December 2012): 1310–13. http://dx.doi.org/10.4028/www.scientific.net/amr.622-623.1310.

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Geogrids are used as reinforcement materials for soil foundation structure in the geotechnical applications. Also, geogrids have the excellent tensile strength and modulus and therefore, geogrids can show the good reinforcement function within the soil foundation structure that the loads are concentrated. However, geogrids don't have the excellent efficiency to control the migration and loss of fine soil particles to be passed due to the large apertures (opening size).The new concept of reinforced geotextile composites, which can show both functions of reinforcement and separation/drainage and
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Szatmári, T., and S. Fischer. "Performance of drainage geocomposites applied as capillary break layers." IOP Conference Series: Materials Science and Engineering 1260, no. 1 (2022): 012029. http://dx.doi.org/10.1088/1757-899x/1260/1/012029.

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Abstract The phenomenon of capillary rise can cause water rise up 2-3m above the high water table within the soil. Due to this effect the shear strength of fine-graded soil is decreased, or it can damage decorative floorings, paved areas, concrete and different manmade structures. Furthermore, in arid regions the ground water is often saline with a high concentration of chloride ions, which can be harmful to vegetation. The traditional methods to solve the above mentioned problems with breaking the capillary rise can be the use of free draining granular soil with very low fines contents, usual
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Henry, Karen S., and Robert D. Holtz. "Geocomposite capillary barriers to reduce frost heave in soils." Canadian Geotechnical Journal 38, no. 4 (2001): 678–94. http://dx.doi.org/10.1139/t01-010.

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We investigated the potential for geosynthetic capillary barriers to reduce frost heave in soils by freezing upright, cylindrical soil specimens with horizontal disks of geosynthetics placed in them. During freezing, water was freely available at 25 mm above the base of 150 mm high specimens. The geosynthetics were located 5 mm above the water supply. We measured frost heave and final water content profiles of specimens containing geosynthetic capillary barriers and control specimens. The thermal conditions of the tests were typical of pavements in cold regions. Geotextiles prepared to simulat
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6

Ke, Han, Yunmin Chen, and Delwyn G. Fredlund. "Steady-state drainage in a liquid collection system with two different slopes." Canadian Geotechnical Journal 47, no. 4 (2010): 377–87. http://dx.doi.org/10.1139/t09-090.

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Liquid collection layers are commonly used as part of modern landfills. These collection layers are often composed of two sections with different slopes. Design methods are presently available for limited cases where there is no drain at the connection between the two sections. This paper presents a computational solution based on the Dupuit assumption to calculate the maximum liquid depth and provide the liquid profile for the drainage systems comprising two different slopes. A case study showed that, in most cases, the maximum depth of the downstream section is determined by the total horizo
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7

Campos, Jéssica C. D., Roberta Passini, and Kaio F. M. do Nascimento. "Thermography and physiology of stress in dairy calves in outdoor holding pens covered with geosynthetics." Revista Brasileira de Engenharia Agrícola e Ambiental 25, no. 11 (2021): 787–93. http://dx.doi.org/10.1590/1807-1929/agriambi.v25n11p787-793.

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ABSTRACT This study aimed to assess the environmental variables, thermal comfort indices and physiological responses of calves in outdoor holding pens shaded with geosynthetics. Twenty crossbred females (Giroland, Jersey and Holstein) in the suckling phase (from birth to 90 days old) with an average initial live weight of 40.6 kg were used. A completely randomized block design was used, in a 4 × 3 factorial scheme with five replicates. The roofing materials (polyethylene mesh, geocomposite drainage layer, nonwoven geotextile and woven geotextile) were the first factor and time periods (8 to 10
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8

ÖZDOĞAN DÖLÇEK, Ayşe. "Laboratory Experiments on Performance Evaluation of Geocomposite Drainage Materials." Sakarya University Journal of Science 26, no. 1 (2022): 38–53. http://dx.doi.org/10.16984/saufenbilder.962783.

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Khire, Milind V., and Mazen M. Haydar. "Leachate Recirculation in Bioreactor Landfills Using Geocomposite Drainage Material." Journal of Geotechnical and Geoenvironmental Engineering 133, no. 2 (2007): 166–74. http://dx.doi.org/10.1061/(asce)1090-0241(2007)133:2(166).

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Forogo, B. W., G. Stolz, M. Coquery, S. Bonelli, N. Chaouch, and N. Touze. "Innovative geocomposite for dredged sediments depollution." IOP Conference Series: Materials Science and Engineering 1260, no. 1 (2022): 012017. http://dx.doi.org/10.1088/1757-899x/1260/1/012017.

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Abstract In France, sediments from river dredging are considered as waste. Without any special treatment, they must be stored in landfills. The dredged sediments of our area of study (North of France) are polluted with trace metals (antimony and zinc are above the French regulation threshold). The main objective of this study is to develop a new method of active depollution and dewatering treatment in order to enable the reuse of treated sediments. This treatment is carried out through ponds equipped with innovative geocomposite. This innovative geocomposite has two typical passive functions (
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11

Jaisv, Deb P., Ulrich Glawe, and Suman Panthee. "Protecting groundwater from leachate contamination: design of drainage system at Sa Kaeo Landfill, Thailand." Journal of Nepal Geological Society 34 (October 9, 2006): 147–58. http://dx.doi.org/10.3126/jngs.v34i0.31891.

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This study focuses on the design of a drainage layer at the Sa Kaeo LandfiII, Thailand, to effectively isolate its leachate. The leachate thickness build-up in the granular layer of the primary leachate collection and removal system (PLCRS) as well as the geocomposite layer of the secondary leachate collection and removal system (SLCRS) was calculated from the measured values of apparent permeability of gravels and transmissivity of geocomposite, and compression and creep factors of geonet at site-specific boundary conditions. To evaluate the efficiency of granular and geosynthetic drainage ma
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12

Jahnavi, Thentu, and Kattamanchi V. Kranthi Kumar. "Comparison of EPS Geofoam and Stone columns in heave reduction of expansive soils." E3S Web of Conferences 309 (2021): 01192. http://dx.doi.org/10.1051/e3sconf/202130901192.

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To reduce the swell pressures in expansive soils usually granular piles are used, but due to lack of availability there is need of a material which is highly compressible and economical also. EPS Geofoams are obtained by expanding the polystyrene polymer which is a by-product obtained from the petroleum industry. As the drainability of the Geofoam is very less a layer of Geocomposite is surrounded over the geofoam especially for allowing the drainage. So, the mechanism involved in the study is that whenever a saturated soil swells in vertical direction this Geofoam will give room to accommodat
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13

Faure, Y. H., Y. Matihard, P. Brochier, and K. Suryolelono. "Experimental and theoretical methodology to validate new geocomposite structures for drainage." Geotextiles and Geomembranes 12, no. 5 (1993): 397–412. http://dx.doi.org/10.1016/0266-1144(93)90015-g.

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Slavinska, Olena, Andrii Bubela, Ihor Kozarchuk, and Oleksandr Davydenko. "Method of development of numerical models of road structure in sections with tubular drains." Avtoshliakhovyk Ukrayiny 1, no. 269 (2022): 54–61. http://dx.doi.org/10.33868/0365-8392-2022-1-269-2-54-61.

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The problem of water drainage from the carriageway and from the base layers of road pavement of the highway remains relevant worldwide. Gravel or sand layers, as well as geotextile and geocomposite layers are mainly used. Selection of parameters of tubular drainage structures of shallow laying is mainly carried out by an analytical method. This is explained by the difficulty of creating numerical models for predicting the stress-strain state of the road structure, taking into account the physical and mechanical properties of the subgrade elements saturated with water. The lack of a methodology
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15

Hassan, Hossam F., Thomas D. White, Rebecca McDaniel, and David Andrewski. "Indiana Subdrainage Experience and Application." Transportation Research Record: Journal of the Transportation Research Board 1519, no. 1 (1996): 41–50. http://dx.doi.org/10.1177/0361198196151900106.

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The applications of pavement subdrainage in the state of Indiana are presented. A recent study evaluated pavement subdrainage systems and measured and predicted moisture conditions underneath various types of pavements. Camera systems were used for internal inspection of the edge and geocomposite drains. Pavement instrumentation included moisture blocks, pressure transducers, temperature probes, rain and outflow tipping buckets, and a data acquisition system. Ongoing research using a test site on I-469 at Fort Wayne, Indiana, is aimed at finding the optimum location and layer configuration in
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16

Li, Cheng, Jeramy Ashlock, David White, and Pavana Vennapusa. "Permeability and Stiffness Assessment of Paved and Unpaved Roads with Geocomposite Drainage Layers." Applied Sciences 7, no. 7 (2017): 718. http://dx.doi.org/10.3390/app7070718.

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17

Giroud, J. P., A. Zhao, H. M. Tomlinson, and J. G. Zornberg. "Liquid flow equations for drainage systems composed of two layers including a geocomposite." Geosynthetics International 11, no. 1 (2004): 43–58. http://dx.doi.org/10.1680/gein.2004.11.1.43.

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18

Bilodeau, Jean-Pascal, Guy Doré, and Catherine Savoie. "Laboratory evaluation of flexible pavement structures containing geocomposite drainage layers using light weight deflectometer." Geotextiles and Geomembranes 43, no. 2 (2015): 162–70. http://dx.doi.org/10.1016/j.geotexmem.2015.02.002.

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Bahador, M., T. M. Evans, and M. A. Gabr. "Modeling Effect of Geocomposite Drainage Layers on Moisture Distribution and Plastic Deformation of Road Sections." Journal of Geotechnical and Geoenvironmental Engineering 139, no. 9 (2013): 1407–18. http://dx.doi.org/10.1061/(asce)gt.1943-5606.0000877.

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Lafleur, Jean, and Y. Savard. "Efficiency of Geosynthetic Lateral Drainage in Northern Climates." Transportation Research Record: Journal of the Transportation Research Board 1534, no. 1 (1996): 12–18. http://dx.doi.org/10.1177/0361198196153400103.

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During winter the formation of ice lenses causes frost heave within frost-susceptible materials. The uneven spatial distribution of heave due to heterogeneity results in severe damage to the pavement. Fissures are created, favoring excess infiltration, especially during subsequent springtime thaw. The installation of drainage can be beneficial in reducing the amount of water present in road foundations. Some uncertainty, however, exists about the sources of water feeding the lenses and, therefore, the optimal location of the systems. To assess the efficiencies of deep lateral drainage systems,
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21

NAGASHIMA, Hiromasa, Yoshihiko TANABASHI, Takao HIRAI, Jun NISHIMURA, and Kazuya YASUHARA. "Judgement of Drainage and Reinforcing Effects Based on Model Tests of Geocomposite-Reinforced Cohesive Earth Fill." Doboku Gakkai Ronbunshu, no. 722 (2002): 25–36. http://dx.doi.org/10.2208/jscej.2002.722_25.

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Birle, E., M. Melsbach, and D. Heyer. "Evaluation of the performance of a drainage geocomposite in a simple cover system based on 10 year measurements." IOP Conference Series: Materials Science and Engineering 1260, no. 1 (2022): 012018. http://dx.doi.org/10.1088/1757-899x/1260/1/012018.

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Abstract In the course of the geotechnical investigations for a new runway at Munich Airport the hydro-mechanical behaviour of organogenic clays was studied. With the aim of an efficient use of materials the organogenic clay shall be used for noise and view barriers. As the organogenic clays have increased arsenic contents the percolation of such structures should be minimized. For the detailed investigation of the hydro-mechanical behaviour and for the determination of seepage quantities, a large scale, 5 m high, 30 m long and 25 m wide test fill was constructed. Due to the low permeability o
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Rowe, R. Kerry, and T. Iryo. "Effect of geosynthetics on the hydraulic performance of leak-detection systems." Canadian Geotechnical Journal 42, no. 5 (2005): 1359–76. http://dx.doi.org/10.1139/t05-059.

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The hydraulic performance of a leak-detection – secondary leachate collection system below a composite liner consisting of a geomembrane (GM) over a geosynthetic clay liner (GCL) is studied using the finite element method. The effect of the initial conditions in the underlying foundation layer (e.g., compacted site soils), distance from the leakage point to the drainage point, properties of the GCL, hydration history of the GCL, and the presence–absence of a foundation layer are examined. The interaction between the GM–GCL interface, GCL foundation layer interface, and the underlying geocompos
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Chao, Zhiming, and Gary Fowmes. "The short-term and creep mechanical behaviour of clayey soil-geocomposite drainage layer interfaces subjected to environmental loadings." Geotextiles and Geomembranes 50, no. 2 (2022): 238–48. http://dx.doi.org/10.1016/j.geotexmem.2021.10.004.

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Dickinson, S., and R. W. I. Brachman. "Assessment of alternative protection layers for a geomembrane – geosynthetic clay liner (GM–GCL) composite liner." Canadian Geotechnical Journal 45, no. 11 (2008): 1594–610. http://dx.doi.org/10.1139/t08-081.

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A protection layer is required above geomembrane (GM) – geosynthetic clay liner (GCL) landfill liners to limit physical damage (GM strains and GCL thinning) from an overlying granular drainage layer. A 150 mm thick layer of sand has been found to provide excellent protection at a vertical pressure of 250 kPa. However, the use of sand may not be practical in many cases. Experimental results are presented where the effectiveness of alternate protection systems above one particular GM–GCL liner were examined with 50 mm coarse gravel at an applied vertical pressure of 250 kPa. A 150 mm thick layer
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McCartney, John S., and Jorge G. Zornberg. "Effects of infiltration and evaporation on geosynthetic capillary barrier performance." Canadian Geotechnical Journal 47, no. 11 (2010): 1201–13. http://dx.doi.org/10.1139/t10-024.

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This study includes an experimental investigation of the transient movement of water in unsaturated soil layers underlain by a geocomposite drainage layer (GDL) during cycles of infiltration and evaporation. The distribution in volumetric water content with depth in a soil column having a height of 1350 mm underlain by a GDL was measured during transient infiltration. The capillary break effect was observed to affect the soil up to a height of 500 mm above the GDL, with an increase in volumetric water content up to 20% above that expected for the case of infiltration under a unit hydraulic gra
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Santos, Flávia, and Ana Sieira. "Reduction factors for creep in drainage geocomposites." Geotecnia 144 (November 2018): 51–64. http://dx.doi.org/10.24849/j.geot.2018.144.05.

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Shaner, K. R., and S. D. Menoff. "Impacts of bentonite geocomposites on geonet drainage." Geotextiles and Geomembranes 11, no. 4-6 (1992): 503–12. http://dx.doi.org/10.1016/0266-1144(92)90028-9.

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Cazzuffi, Daniele, and Piergiorgio Recalcati. "RECENT DEVELOPMENTS ON THE USE OF DRAINAGE GEOCOMPOSITES IN CAPPING SYSTEMS." Detritus 3, no. 1 (2018): 93. http://dx.doi.org/10.31025/2611-4135/2018.13720.

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da Silva, C. A., and E. M. Palmeira. "Performance comparison of conventional biplanar and low-cost alternative geocomposites for drainage." Geosynthetics International 20, no. 3 (2013): 226–37. http://dx.doi.org/10.1680/gein.13.00013.

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Bourgès-Gastaud, Sébastien, Guillaume Stoltz, Patricia Dolez, Éric Blond, and Nathalie Touze-Foltz. "Laboratory device to characterize electrokinetic geocomposites for fluid fine tailings dewatering." Canadian Geotechnical Journal 52, no. 4 (2015): 505–14. http://dx.doi.org/10.1139/cgj-2014-0031.

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The oil sands industry usually leads to the production of large quantities of mineral waste, such as fluid fine tailings (FFT), whose disposal is often challenging. Electrokinetic geocomposites (eGCPs) installed into the FFT disposal area may improve in situ dewatering, as eGCPs can drain water expulsed during FFT consolidation as well as impose a voltage across FFT to displace water by electro-osmosis. This paper presents a laboratory device specifically developed to evaluate eGCP performance for sludge dewatering. Based on the oedometer principle, the device aims at studying sludge consolida
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TANABASHI, Y., T. HIRAI, J. NISHIMURA, H. NAGASHIMA, and K. YASUHARA. "Judgement of Drainage and Reinforcing Effects Based on Model Tests of Geocomposites-Reinforced Earth Fill." Geosynthetics Engineering Journal 14 (1999): 244–53. http://dx.doi.org/10.5030/jcigsjournal.14.244.

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Narejo, Dhani, Mengjia Li, Ed Zimmel, and Yin Wu. "A monolithic layered nonwoven–woven geotextile for use with drainage geocomposites in coal combustion residual projects." Geotextiles and Geomembranes 37 (April 2013): 16–22. http://dx.doi.org/10.1016/j.geotexmem.2013.01.002.

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Jamshidi, Jamshid. "Optimization of Production Parameters of Geotextiles Used for Shoreline Protection." Research Journal of Textile and Apparel 19, no. 2 (2015): 9–15. http://dx.doi.org/10.1108/rjta-19-02-2015-b002.

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The use of geotextile sand containers (GSCs) in shoreline protection systems has moderately grown since the first applications in the 1970s and increasingly used as an alternative to natural stone, slag, and concrete. Due to their economical, technical and ecological advantages, the use of geotextiles and geocomposites for filter and drainage functions is increasing worldwide and has a 40 year history already. For coastal protection measures, nonwovens are proven to have long-term resistance against ultraviolet radiation and saltwater. High elongation behavior provides superior properties duri
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Showkat, R., and G. L. Sivakumar Babu. "Reliability analysis of compacted embankment with geocomposite under infiltration." Geosynthetics International, March 29, 2023, 1–40. http://dx.doi.org/10.1680/jgein.22.00268.

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Embankment failures can be prevented by introducing geocomposites to act as drains. The effect of the geocomposite layer on the pore pressure distribution and surface displacements of an unsaturated embankment upon infiltration has been studied numerically using deterministic and probabilistic approaches. The inclusion of the geocomposite layer leads to an increase of suction below the interface and a decrease in suction above it by functioning both as a capillary barrier and a drainage layer, thereby reducing the surface displacements upon infiltration. The load in the form of rainfall and th
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Campos, Jéssica Caetano Dias, Roberta Passini, Lainny Jordana Martins Pereira e. Sousa, and Alliny das Graças Amaral. "Behavioral changes in dairy calves raised in outdoor holding pens with alternative roofing." Ciência Animal Brasileira 24 (2023). http://dx.doi.org/10.1590/1809-6891v24e-73923e.

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Abstract This study assessed the behavior of dairy calves raised in outdoor holding pens covered with different geosynthetics. Twenty crossbred (Girolando, Jersey and Holstein) dairy calves undergoing weaning were used, with an average initial live weight of 40.6 Kg. A completely randomized block design was used, with a 4 x 3 factorial scheme and 5 repetitions. The roofing materials were polyethylene mesh, drainage geocomposite, nonwoven geotextile and woven geotextile, representing the first factor, and assessment times (8 to 11 a.m., 11:15 a.m. to 2 p.m. and 2:15 to 6 p.m.) the second factor
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"Experimental and theoretical methodology to validate new geocomposite structures for drainage." International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts 31, no. 1 (1994): A50. http://dx.doi.org/10.1016/0148-9062(94)92715-4.

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La, Dương Hải. "COMPARE INFLUENCES OF HORIZONTAL AND VERTICAL MSE WALL DIMENSIONS WITH GEOCOMPOSITE BACK DRAINAGE SYSTEM TO MAXIMUM STEADY STATE PHREATIC LEVEL." Hue University Journal of Science: Earth Science and Environment 130, no. 4A (2021). http://dx.doi.org/10.26459/hueunijese.v130i4a.6478.

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Nowadays, with serious risks to the mechanically stabilized earth (MSE) instability especially for soil mass behind the wall face caused by heavy rainfall. Come from high drainage ability, geocomposite is regarded as an appropriate material for drainage purposes in many geotechnical structures, including MSE walls. However, there are insufficient researches investigated MSE wall geometry design especially with wall dimension oriented follow 2D dimension as horizontal and vertical. This paper presents a series of PLAXIS numerical simulations to investigate the influences of MSE wall dimensions
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Saride, Sireesh, B. K. Huchegowda, and Saurabhh Vyas. "Evaluation of drainage coefficients for 2D and 3D−geocomposite embedded subbase layers." Geotextiles and Geomembranes, July 2022. http://dx.doi.org/10.1016/j.geotexmem.2022.07.003.

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Kalore, Shubham A., and G. L. Sivakumar Babu. "Hydraulic design of granular and geocomposite drainage layers in pavements based on demand-capacity modeling." Geotextiles and Geomembranes, June 2023. http://dx.doi.org/10.1016/j.geotexmem.2023.06.001.

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Chao, Zhiming, Gary Fowmes, and S. M. Dassanayake. "Comparative Study of Hybrid Artificial Intelligence Approaches for Predicting Peak Shear Strength Along Soil-Geocomposite Drainage Layer Interfaces." International Journal of Geosynthetics and Ground Engineering 7, no. 3 (2021). http://dx.doi.org/10.1007/s40891-021-00299-2.

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AbstractPeak shear strength of soil-Geocomposite Drain Layer (GDL) interfaces is an important parameter in the designing and operating related engineering structures. In this paper, a database compiled from 316 large direct shear tests on soil-GDL interfaces has been established. Based on this database, five different machine learning models: Back Propagation Artificial Neural Network (BPANN) and Support Vector Machine (SVM), with hyperparameters optimised by Particle Swarm Optimisation Algorithm (PSO) and Genetic Algorithm (GA), respectively, and Extreme Learning Machine (ELM) optimised by Ex
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Kosichenko, Yu M., and A. V. Kolganov. "GEOECOLOGICAL STATE OF WATER BODIES IN THE REPUBLIC OF KALMYKIA." Land Reclamation and Hydraulic Engineering, no. 3 (2022). http://dx.doi.org/10.31774/2712-9357-2022-12-3-291-304.

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Purpose: assessment of the geoecological state of water bodies, large irrigation and feeding systems, Sarpinsky lakes, reservoirs, main and distribution canals, river network. The total area of irrigation and feeding systems totals about 122 thousand hectares, while half of the 54 thousand hectares of irrigated land is watered with high salinity water. For 48 years, the morphometric characteristics of large lakes have changed for the worse, the water in the lakes is gradually becoming saline, the coastal zone is overgrown with aquatic vegetation and is significantly silted up, many irrigation
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"Impacts of bentonite geocomposites on geonet drainage." International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts 30, no. 2 (1993): A128. http://dx.doi.org/10.1016/0148-9062(93)91145-9.

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Chinkulkijniwat, A., S. Horpibulsuk, D. Bui Van, A. Udomchai, R. Goodary, and A. Arulrajah. "Influential factors affecting drainage design considerations for mechanical stabilised earth walls using geocomposites." Geosynthetics International, November 9, 2016, 1–18. http://dx.doi.org/10.1680/jgein.16.00027.

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