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Návrh zajištění stavební jámy v centru Brna

Authors: Kováč, Vladimír;

Návrh zajištění stavební jámy v centru Brna

Abstract

The work deals with the problem of the ultimate and serviceability limit state of a once-anchored retaining structure of an excavation on Krenova street in Brno. The calculation of the ultimate limit state is solved manually and provides an input into the serviceability limit state, which is solved by means of a numerical analysis using a finite element method. To calculate the serviceability limit state, these constitutive models: Mohr-Columb, Hardening soil and Hardening soil small strain model are used.

Práce se zabývá problematikou prvního a druhého mezního stavu, jedenkrát kotvené pažící konstrukce stavební jámy, na ulici Křenová v Brně. Výpočet prvního mezního stavu je proveden ručně a poskytuje vstupní informace pro druhý mezní stav, který je pak řešen numerickou analýzou, metodou konečných prvků. Pro výpočet druhého mezního stavu pak byly použity tyto materiálové modely: Mohr-Columb, Hardening soil a Hardening soil small strain model.

A

Country
Czech Republic
Related Organizations
Keywords

serviceability limit state, numerická analýza, rock anchor, numerical analysis, finite element method, deformation, jet grounting, Geotechnika, Geotechnics, retaining wall, stavební jáma, druhý mezní stav, PLAXIS, horninová kotva, deformace, první mezní stav, metoda konečných prvků, ultimate limit state, trysková injektáž, záporové pažení, excavation

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