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Now showing items 81-100 of 115
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NON-INVASIVE INVERSE PROBLEM IN CIVIL ENGINEERING
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)In this contribution we focus on recovery of spatial distribution of material parameters utilizing only non-invasive boundary measurements. Such methods has gained its importance as imaging techniques in medicine, geophysics ... -
SYNTHESIZED ENRICHMENT FUNCTIONS FOR EXTENDED FINITE ELEMENT ANALYSES WITH FULLY RESOLVED MICROSTRUCTURE
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)Inspired by the first order numerical homogenization, we present a method for extracting continuous fluctuation fields from the Wang tile based compression of a material microstructure. The fluctuation fields are then used ... -
FOAMED CEMENT COMPOSITES: DETECTION OF THE MODULUS OF ELASTICITY USING DIC ANALYSIS AND COMPARISON WITH OTHER METHODS
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)A modulus of elasticity was determined for eight differently foamed cement paste samples. Samples were loaded in the laboratory by a hydraulic press. The force acting on the sample was read directly from the laboratory ... -
THE EFFECT OF PLASTICIZER ON MECHANICAL PROPERTIES OF THE CEMENT PASTE WITH FINE GROUND RECYCLED CONCRETE
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)This article deals with the usage of recycled concrete, which arises from the demolition of concrete structures. The work is focused on the development of mechanical properties (Young's modulus, compressive and flexural ... -
ON DEVELOPMENT OF THE INTERACTIVE DESIGN TOOL BASED ON ISOGEOMETRIC ANALYSIS
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)Isogeometric analysis is a new concept of Finite element method which has been proposed to bridge the gap between the CAD systems and the FEM solvers. In Isogeometric analysis, the same basis functions, typically splines ... -
COMPARISON OF METHODS USED FOR SEISMIC ANALYSIS OF STRUCTURES
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)This paper investigates effects of the seismic load to a structure. The article describes main methods of the definition and practical application of the seismic load based on the Standard Eurocode 8. There was made a ... -
PARALLEL APPROACH TO SOLVE OF THE DIRECT SOLUTION OF LARGE SPARSE SYSTEMS OF LINEAR EQUATIONS
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)The paper deals with parallel approach for the numerical solution of large, sparse, non-symmetric systems of linear equations, that can be part of any finite element software. In this contribution, the differences between ... -
FIBER REINFORCED SAND BACKFILL FOR UNDERGROUND PEDESTRIAN CROSSINGS
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)Crosswalk is an essential element of the transport system of any city. A priority assignment in any such crossing is to ensure the safety of pedestrians. Underground pedestrian crossings are much safer than crossings at ... -
HIGH SPEED RAILWAY LINES – FUTURE PART OF CZECH RAILWAY NETWORK?
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)The paper first describes high speed rail generally and explains the relationship between high speed and conventional railway networks (according to the vehicle types in operation on the network). The core of the paper is ... -
MODEL CAR TRANSPORT SYSTEM - MODERN ITS EDUCATION TOOL
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)The model car transport system is a laboratory intended for a practical development in the area of the motor traffic. It is also an important education tool for students’ hands-on training, enabling students to test the ... -
CANT EXCESS AND CANT DEFICIENCY EVALUATION IN RELATION TO TRAIN SPEED
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)The paper deals with the evaluation of measured speeds of the vehicles on the chosen sections of the railway network in the Czech Republic. In connection with the phased implementation of the AVV system (automatic train ... -
AFFECTIVE COMPUTING AND AUGMENTED REALITY FOR CAR DRIVING SIMULATORS
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)Car simulators are essential for training and for analyzing the behavior, the responses and the performance of the driver. Augmented Reality (AR) is the technology that enables virtual images to be overlaid on views of the ... -
AN ISSUE OF INTELLIGENT ROAD TRANSPORT IN KAZAKHSTAN
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)The article reviewed the road transport sector of the Republic of Kazakhstan and found a significant role in ensuring road transport of freight and passengers. Shown needs to improve the work of transport-communication ... -
ANALYSIS OF COMPETITIVENESS OF RAILWAY PASSANGER TRANSPORT BETWEEN RAKOVNÍK AND PRAGUE
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)This paper deals with the issue of railway connection between Rakovník and Prague. Initially, there is made an analysis of the transport supply and analysis of modal split. Additionally, an operation concept is suggested ... -
MEASUREMENT METHODS OF INTERNAL STRESS IN CONTINUOUS WELDED RAIL
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)This paper deals with the problem of internal rail stress estimation. It is based on a detailed research of contemporary situation in the field, presents basic outlines of the problem and sums up the major research areas ... -
THE DETAILED PRIORITY OF INTERNATIONAL FREIGHT EXPRESSES IN THE OVERLAPPING SECTION OF RFC 7 AND RFC 9 KOLÍN – CHOCEŇ
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)The main goal of this article is to research the optimal priority of international freight expresses, especially on European freight corridors. This article shows this problem in the context in the overlapping section of ... -
ANALYSIS OF DYNAMIC EFFECTS ACTING ON RAILWAY CROSSINGS
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)The paper is focused on measurement and analysis of dynamic effects on railway turnouts. Two same-type turnouts with different fastening elasticity were chosen. Attention was focused mainly on the crossing part of the ... -
USING HOMOGENIZATION AND NANOINDENTATION FOR MICROFIBRIL ANGLE DETERMINATION OF SPRUCE
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)This paper is concerned with the evaluation of microfibril angle of spruce. The microfibril angle is defined as an inclination of microfibrils from the longitudinal axis, the direction of lumens. It is well known and further ... -
DRYING CHARACTERISTIC OF RAMMED EARTH WITH ILLITIC-KAOLINITIC CLAY CONTENT
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)Clay is a traditional construction material which has got to background with introduction of modern materials to building practice. There is no proper material available for clay constructions design due to lack of proper ... -
EVALUATION OF MICROMECHANICAL PROPERTIES OF CARBON FIBER FABRIC USING NANOINDETATION
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)This paper is focused mainly on nanoindentation of carbon fibers. Fibers are in form of carbon fiber fabric that is used in larger research that is focused on reinforcing beams made of glued laminated timber. Knowledge of ...