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Using Triaxial Tests to Determine the Shearing Strength of Geogrid-Reinforced Sand

Skuodis Šarūnas, Dirgėlienė Neringa, Medzvieckas Jurgis

Studia Geotechnica et Mechanica

2020

Vol. 42, nr 4

341--354

Geogrids are widely used in civil engineering projects to reinforce road and railway structures. This paper presents research on the shearing strength of soil samples that have been reinforced with geogrids. The relationship between soil and geogrids is explored and evaluated by modeling the mechanical behavior of heterogeneous materials. For the purposes of this research, data obtained from tests of unreinforced sand samples with triaxial cells were compared with the data obtained from tests of reinforced sand samples. It was found that the shearing strength for reinforced samples was higher (from 9% to 49%) compared to unreinforced samples. Some damage to the geogrid was detected during the experiment, and for this reason, the same tests were numerically simulated for both unreinforced samples and samples reinforced with geogrids. Numerical simulations revealed the main reasons for damage to the geogrids during triaxial testing.

Badania porównawcze wytrzymałości na ścinanie zakładkowych połączeń klejowych po oczyszczaniu mechanicznym i ozonowaniu

Kłonica M., Kuczmaszewski J.

Technologia i Automatyzacja Montażu

2011

nr 4

45-48

The article presents the results of the comparative research of shearing strength of aluminium alloys single-lap adhesive bonded joints. Application in aerospace industry is the main criterion of material selection. Furthermore this paper analyses results of static shearing strength of single-lap adhesive bonded joints for different variations of material preparing (mechanical cleaning and ozonization).

Wpływ czasu składowania na zmianę wybranych parametrów geotechnicznych nie przepalonych odpadów powęglowych Kopalni Anna

Krzyk P.

Przegląd Naukowy Inżynieria i Kształtowanie Środowiska

2001

Vol. 10, No. 1

41--53

The paper comprises a comparison of some geotechnical parameters of unburt colliery spoils from Anna Coal Mine after various time of depositing on the dumping ground i. e. 0,5 year, 2-years and 30-years. Investigations concerned petrographic composition, grain size distribution, natural moisture content, optimum moisture content and maximum dry density, specific gravity and shearing strength. It was stated that colliery spoils from Anna Coal Mine are coarse grain material containing hard rocks relatively resistant to weathering processes. Results obtained from the investigations revealed that petrographic composition and rock diagenesis as well as the way of depositing and compaction, apart from atmospheric factors and time of depositing, have basic influence on weathering processes and changes of geotechnical parameters resulted from them.