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Life Cycle Assessment Optimization of a Shotcrete Tunnel Lining 

Štěpánek, Petr; Laníková, Ivana; Venclovský, Jakub (IOP Publishing, 2018-11-27)
The proposed contribution describes the formulation of the optimization design of a utility tunnel lining. The objective function is defined as a multicriterial problem and includes economic and environmental aspects ...
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Determining reinforcement coverage using an electromagnetic rebar detector 

Cikrle, Petr; Anton, Ondřej; Kinclová, Anežka; Kocáb, Dalibor (IOP Publishing, 2018-07-16)
Correct reinforcement is an essential part of constructing reinforced concrete structures. Errors in positioning, diameter, or coverage may result in defects, which is why it is necessary to make sure the reinforcement is ...
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Cast Screws as Shear Anchors for Composite Slabs 

Holomek, Josef; Bajer, Miroslav; Vild, Martin (Elsevier, 2017-07-20)
Composite slabs consist of trapezoidal steel sheeting and concrete cover. The steel sheeting serves as both, a lost framework and a tension bearing member after hardening of concrete. The longitudinal shear between the ...
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Methodology for the quantification of concrete sustainability 

Teplý, Břetislav; Vymazal, Tomáš; Rovnaníková, Pavla (EDP Sciences, 2018-06-26)
LCA is a method that evaluates the life cycle of a structure from the point of view of its impact on the environment. Consideration is given also to energy and raw material costs, as well as to environmental impact throughout ...
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Study of a different carbonation intensity on the internal surface of cracks and inside concretes with dense aggregate and concrete recyclate 

Stehlík, Michal; Knapová, Jana; Mácová, Petra (IOP Publishing, 2018-07-16)
The paper focuses on the experimental physical-chemical analysis of different carbonation intensity by TG/DTG and FTIR method on the selected surfaces of concretes with aggregate and with concrete recyclate, with and without ...
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Characteristic Curve and Its Use in Determining the Compressive Strength of Concrete by the Rebound Hammer Test 

Kocáb, Dalibor; Misák, Petr; Cikrle, Petr (MDPI, 2019-08-23)
During the construction of concrete structures, it is often useful to know compressive strength at an early age. This is an amount of strength required for the safe removal of formwork, also known as stripping strength. ...
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Experimental Analysis on Shrinkage and Swelling in Ordinary Concrete 

Kucharczyková, Barbara; Daněk, Petr; Kocáb, Dalibor; Misák, Petr (Hindawi Publishing Corporation, 2017-05-22)
The paper deals with the experimental determination of shrinkage development during concrete ageing. Three concrete mixtures were made. They differed in the amount of cement in the fresh mixture, 300, 350, and 400kg/m3. ...
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Testing an Impedance Non-destructive Method to Evaluate Steel-Fiber Concrete Samples 

Komárková, Tereza; Fiala, Pavel; Steinbauer, Miloslav; Roubal, Zdeněk (DE GRUYTER POLAND SP ZOO, 2018-03-01)
Steel-fiber reinforced concrete is a composite material characterized by outstanding tensile properties and resistance to the development of cracks. The concrete, however, exhibits such characteristics only on the condition ...
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Boundary Layer Effect on Behavior of Discrete Models 

Eliáš, Jan (MDPI, 2017-02-10)
The paper studies systems of rigid bodies with randomly generated geometry interconnected by normal and tangential bonds. The stiffness of these bonds determines the macroscopic elastic modulus while the macroscopic ...
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Pilot evaluation of a fracture process zone in a modified compact tension specimen by X-ray tomography 

Klon, Jiří; Seitl, Stanislav; Šimonová, Hana; Keršner, Zbyněk; Kumpová, Ivana; Vavřík, Daniel (Italian Group of Fracture, 2017-10-03)
In the case of quasi-brittle material, there is a zone of non-linear behaving material, near the crack tip. A major part of this zone forms a so-called fracture process zone (FPZ), where mechanisms of material toughening ...
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AuthorKocáb, Dalibor (3)Chobola, Zdeněk (2)Cikrle, Petr (2)Daněk, Petr (2)Misák, Petr (2)Pazdera, Luboš (2)Smutný, Jaroslav (2)Teplý, Břetislav (2)Topolář, Libor (2)Vymazal, Tomáš (2)... View MoreSubject
concrete (17)
beton (4)non-destructive testing (3)acoustic emission (2)sustainability (2); mechanical properties (1)adjustment (1)akustická emise (1)bond strength (1)boundary layer (1)... View MoreDate Issued2020 (2)2019 (1)2018 (6)2017 (6)2016 (1)2015 (1)

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