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An experimental way of the quantification of the confinement effect in the mechanically stabilized layer by measuring horizontal pressures generated by static load
Four laboratory models filled with aggregates with fractions 0–32 mm were prepared in a special laboratory box with dimensions of 1000 x 1000 x 600 mm. Three models were fitted with a geogrid, which, together with the aggregates, formed a mechanicall...
Civil engineering
- 2024 •
- D •
- Link
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D - Stať ve sborníku
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Test section with a sub-ballast layer of asphalt concrete at the Semily railway station
In the Czech Republic, a preparation of high-speed railway lines construction according to principles adopted from France has currently been done. For all sections of high-speed railway lines in the Czech Republic, a uniform composition of sub-ballas...
Civil engineering
- 2024 •
- D
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The device for testing the quality of aggregate confinement in a mechanically stabilised layer with a geogrid
The device for testing the quality of aggregate confinement in a mechanically stabilised layer with a geogrid comprises a clamping test body of defined shape, terminating in a conical tip. The body is connected via a cylindrical rod and an adaptive i...
Civil engineering
- 2024 •
- Fuzit •
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Fuzit - Užitný vzor
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Test Track Featuring Bituminous Concrete Trackbed Layer in the Railway Station Semily
Actually, the preparation of the Czech high-speed railway lines construction has started according to the French principles with the uniform trackbed layers consisting of bituminous concrete and coarse/fine crushed stone mixture. There is an assumpti...
Civil engineering
- 2024 •
- Jost •
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Jost - Ostatní články v recenzovaných periodicích
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Optimized Sub-Ballast Structure for High-Speed Line with Asphalt Layer and Multiaxial Geogrid
Preparations for the future construction of high-speed railway lines across the territory of the Czech Republic have begun in the Czech Republic with the aim of connecting it to the European network. This article describes findings from a project foc...
Civil engineering
- 2024 •
- D •
- Link
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D - Stať ve sborníku
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Operational verification of the variant construction of the high-speed line
For high-speed railway lines in the Czech Republic, a uniform composition of sub-ballast layers of asphalt concrete and crushed aggregate of the prescribed thicknesses according to the French standard is assumed. Nevertheless, based on the results of...
Civil engineering
- 2024 •
- D
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Comparison of Static Plate Load Test Results According to Czech, French and German Methodologies
For historical reasons, the static plate load test for assessing the railway substructure deformation resistance is performed in a different way for different countries, so its results cannot be easily compared. This paper presents an experimental st...
Civil engineering
- 2024 •
- D
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Dynamic Laboratory Testing of Mechanically Stabilized Layers for Railway Applications
The application of mechanically stabilized layers with stiff geogrids is an effective way for sustainable and durable construction of under sleeper structures in railways. The paper explains the basics of the theory of mechanical stabilization of gra...
Civil engineering
- 2023 •
- D •
- Link
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Effect of test specimens compaction method on the asphalt concrete properties
In the Czech Republic, a preparation of high-speed lines construction according to principles adopted from France is currently in process. Its substructure is among others to be made of an asphalt concrete layer. Nevertheless, the requirements on asp...
Civil engineering
- 2023 •
- D
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Analysis of properties of the asphalt concrete sub-ballast layer in the section Svitavy - Hradec nad Svitavou
One of the modern technologies used in railway civil engineering is the use of asphalt concrete as a material in the railway substructure. Nevertheless, the durability of this material and the preservation of its properties in the long term have not ...
Civil engineering
- 2023 •
- D
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