Experimental Testing of Punching Shear Resistance of Concrete Foundations

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27120%2F17%3A86099165" target="_blank" >RIV/61989100:27120/17:86099165 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Experimental Testing of Punching Shear Resistance of Concrete Foundations

Popis výsledku v původním jazyce

Foundation structures, their testing and modelling is a wide area to research. A lot of different concrete elements are tested and modeled in the world. Analysis of interaction between the foundation structures and the subsoil has been developed for many years. For the determination of stress in foundation structure is needed to determine the influence of the stiffness respectively pliability of subsoil to structural internal forces, and vice versa, how the stiffness of the foundation structure affects the resulting subsidence. This paper deals with experimental tests of concrete foundation slabs. Tests are carried out at the steel test frame structure by dimension 2 x 2,5 x 5 m which is placed open air at the Faculty of Civil Engineering in Ostrava. Tested slabs are by dimension 2 x 2 m and have different thickness between 100 and 200mm. A lot of physical quantities are tested in those experiments and experiments are then multidisciplinary because geotechnical, acoustic, strain gauges and deformation measurements are conducted. This paper addresses especially with punching shear analysis and maximum punching resistance. Number of experimental tests of concrete foundation slabs were carried out. Slabs classically reinforced, pre-stressed or FRC were tested but slabs were not reinforced with shear reinforcement. During the experiment, the interaction between the concrete foundation and the subsoil was monitored. Most of slabs were disrupted by punching shear. If the slab was disrupted by punching shear, it was monitored and measured dimension and shape of punching failure and results compared between themselves. Last but not last results from the experiment and results according to design methods used in EC2 are compared in this paper. The maximum shear design force according to EC2 was lower than the one from the experiment.

Název v anglickém jazyce

Experimental Testing of Punching Shear Resistance of Concrete Foundations

Popis výsledku anglicky

Foundation structures, their testing and modelling is a wide area to research. A lot of different concrete elements are tested and modeled in the world. Analysis of interaction between the foundation structures and the subsoil has been developed for many years. For the determination of stress in foundation structure is needed to determine the influence of the stiffness respectively pliability of subsoil to structural internal forces, and vice versa, how the stiffness of the foundation structure affects the resulting subsidence. This paper deals with experimental tests of concrete foundation slabs. Tests are carried out at the steel test frame structure by dimension 2 x 2,5 x 5 m which is placed open air at the Faculty of Civil Engineering in Ostrava. Tested slabs are by dimension 2 x 2 m and have different thickness between 100 and 200mm. A lot of physical quantities are tested in those experiments and experiments are then multidisciplinary because geotechnical, acoustic, strain gauges and deformation measurements are conducted. This paper addresses especially with punching shear analysis and maximum punching resistance. Number of experimental tests of concrete foundation slabs were carried out. Slabs classically reinforced, pre-stressed or FRC were tested but slabs were not reinforced with shear reinforcement. During the experiment, the interaction between the concrete foundation and the subsoil was monitored. Most of slabs were disrupted by punching shear. If the slab was disrupted by punching shear, it was monitored and measured dimension and shape of punching failure and results compared between themselves. Last but not last results from the experiment and results according to design methods used in EC2 are compared in this paper. The maximum shear design force according to EC2 was lower than the one from the experiment.

Druh

D - Stať ve sborníku

CEP obor

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OECD FORD obor

20102 - Construction engineering, Municipal and structural engineering

Projekt

<a href="/cs/project/GA16-08937S" target="_blank" >GA16-08937S: Stav napětí a deformace vláknobetonových kompozitů v interakci se zemním prostředím</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2017

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Proceedings of the 2nd Czech-China Scientific Conference 2016 : June 7, 2016, Ostrava, Czech Republic

ISBN

978-953-51-2857-1

ISSN

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e-ISSN

neuvedeno

Počet stran výsledku

6

Strana od-do

1-6

Název nakladatele

InTech

Místo vydání

Rijeka

Místo konání akce

Ostrava

Datum konání akce

7. 6. 2016

Typ akce podle státní příslušnosti

CST - Celostátní akce

Kód UT WoS článku

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