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Archiv článků od 17.8.2015 do 14.12.2015

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14.12.2015
Ing. Petra Fučíková, Doc. Ing. Alena Tichá, Ph.D., Vysoké učení technické v Brně Fakulta stavební

The article deals with operation of historical buildings from the facility management view. Facility management of historical buildings in the article refers to buildings that are treated according to the czech law no. 20/1987. These buildings are cultural sights.

7.12.2015
Ing. arch. Petr Kučera, jakub cigler architekti

In October 2015, it was one year from when the new polyfunctional building Quadrio in the center of Prague above the metro station Národní třída was opened. It incorporates not only business and office space, but also residential building, a public passage and exit from the metro station. After almost thirty years a big scar of the historic city was healed. It was caused by the construction of the metro station Národní třída, which was accompanied by the demolition of the original buildings and the replacement with single-storey ground lobbies that suit rather to the suburb than the city center. At the same time a new public urban space was created, a stone plaza, which is in the case of similar projects rather rare exception than the rule.

7.12.2015
Ing. Petr Bohuslávek, redakce

Methods of cost allocation in apartment buildings have undergone significant changes in recent years. The article offers a comprehensive overview of cost allocation methods in multi-dwelling units according to applicable regulations. It is intended mainly for owners of residential units, board members of homeowners associations, managers of housing cooperatives or individuals and companies managing residential buildings.
Cost allocation in apartment buildings is currently governed by two laws: Act No. 67/2013 Coll. and the new Civil Code No. 89/2012 Coll. These laws governed cost allocation in calendar year 2014 and apply also for 2015. The heating and hot water supply costs in MDUs from 2016 onwards will be allocated pursuant to the new decree No. 269/2015 Coll. and the amended Act No. 67/2013 Coll.

7.12.2015
Mgr. David Štamberk, Mgr. Pavel Franc

The second part of the article describes specific aspects of the construction as the subject of the Contract for work and materials. It looks into ownership issues of the construction – the subject, the execution of the construction and its possible defects. It carries on to contextually analyze specific problems, like the transfer of risk of damage, right to invoice, inspection of subject progress, hidden obstructions and construction handover and acceptance. It also outlines the issue of joint responsibility of a subcontractor for construction defects.

30.11.2015
Ing. Michaela Perďochová, Ph.D., VŠB – TU Ostrava, Fakulta bezpečnostního inženýrství

Usage of solid biofuels increases due to substitution of fossil fuels. This fact contributes to increasing of danger of fire due to spontaneous combustion. Spontaneous combustion of these materials occurs during their storage in large piles. This tendency to spontaneous combustion is not the same, but is influenced by various factors. This article deals with the determination of tend to spontaneous combustion and evaluation of effect of moisture on self – ignition temperature of four kinds of wood chips. Evaluation of tendency to spontaneous combustion was performed according to standard EN 15188, in an isothermal furnace. The results have implications for the specification of safe conditions of storage of coal and wood substances and the selection of safety measures.

30.11.2015
Ing. Jan Vidim

The aim of electricity distributor is that customers may be sourced if a constant amount of energy. When properly appliances division into groups according to how they can be turned off, it is possible to reduce the agreed value of the load shedding and save on fixed fees. The regulator load shedding so in the short term applies.

30.11.2015
Ing. Otto Dvořák, Ph.D., VŠB TUO FBI Ostrava, externí školitel

This paper proposes statistical methods for evaluation quantitative performance determinated by tests of building products for objective decision during conformity assessment / certification in a fire protection field. The procedure is applicable for other types of products, and research / development of new material products.

23.11.2015
Ing. Michal Lom

This paper describes the controller functions, types of control units and from which all components can be composed. Next part is about explaining how to program the controllers can take place, what are the types of controlling and communication protocols that are most frequently used for connection to field devices and supervisor. The whole interpretation is conducted through first theoretical introduction followed by practical example. The whole paper is written exclusively on control units, which are used in building automation and belonging to the group DDC (Direct Digital Control) systems. These controllers are most often used to HVAC systems (Heat, Ventilation and Air Condition). The aim of these systems is to achieve thermal comfort in buildings. The whole industry is then called Measurement and Control. Specific application is e.g. controlling of Air handling unit according to pre-defined project.

23.11.2015
Ing. Jan Blažíček, redakce

In a previous article we described current problems of district heating. Their creation is shared by all stakeholders - customers, suppliers and the state. The only difference is that while consumers and suppliers are more or less at the mercy of events, the state is the one who will decide on the future success or failure of the sector. And in this role still failing. The state should support the heating industry, but instead he openly harms.

23.11.2015
doc. Ing. Alena Tichá, Ph.D, Ing. Michal Prak

In this article is focused on the user's possibilities of the influence of the building value associated with the leife cycle. On the example of building a house techniques are utilized facility management. Designed there are four deigned variants for which are calculated itemized budgets, the energy consumption of the building and other cost of life cycle of the building. At the end of there are these variants compared and the result implies which one is the most suitable for a future user.

16.11.2015
Ing. Michal Frank, Ing. Martina Drdlová, Ing. Vladan Prachař, Prof. Ing. Jaroslav Buchar, DrSc.

Research, development and testing of materials and safety features used to protect civilians and armed forces against terrorist or military attacks are more than desirable nowadays. Therefore, our work is aimed at absorption materials that can temper impact energy and shockwave energy originating in explosive blast.
Out of many materials potentially suitable for experiments, two groups of fillers were chosen – macro fillers and micro fillers – and a two component polyurethane binder. In this article, the resulting physico-mechanical characteristics are summarized: bulk density, flexural, compression and impact strength. The crucial test for determination impact energy absorption was the Split-Hopkinson pressure bar test, conducted with most samples.

16.11.2015
Ing. Karel Mikulica, prof. Ing. Rudolf Hela, CSc.

Concrete exposed to high temperature considerably changes its properties down to total destruction. The paper describes renovation of concrete floor damaged by a fire of a factory building. Individual steps of determination of damage of concrete floor structures caused by high temperatures are described. Structure of damaged floor was technically analyzed, redevelopment was designed and renovation works were carried out.

4.11.2015
Ing. Roman Šubrt, Energy Consulting

The introduction of energy management according to ČSN EN ISO 50 001 becomes a topic that attracts more and more attention of involved people nowadays. There are two reasons for that. The first one is the possibility of obtaining a higher subsidy from the OP PIK, the second is the obligation by the law, respectively the possibility of reducing the administration in the future.

26.10.2015
Tomáš Krempaský, RevizeKontroly.cz

Owners of residential buildings and their tenants must ensure the implementation of some activities on the technical and fire safety devices in order to ensure their safety and functionality in use. Inspections and checks are therefore not just binding on the applicable regulations, but also may prevent damage to health and property.

19.10.2015
Ing. Martina Drdlová, Ing. Vladan Prachař

Wilful attack targeted on strategic buildings and critical infrastructure can pose significant thread to property and human lives. By modification of the material traditionally used in building industry, in particular by addition of randomly dispersed fibre reinforcement in currently most spread building material – concrete, the enhancement of the blast and ballistic resistance can be effectively achieved without high additional costs. Within the research works presented in this article, the influence of several types of fibre reinforcement on the blast resistance of the concrete panel was assessed. The results of real blast tests indicates, that incorporation of any type of fibre brings enhancement of the blast resistance of the concrete, but the level is highly affected by strength and shape characteristics of the fibre.

5.10.2015
Ing. David Sýkora, Ph.D., CSc., Katedra městského inženýrství a stavitelství, Fakulta stavební, VŠB-Technická univerzita Ostrava

The article reports on the reasons of soil waterlogging, impact of ground water on structures, and on drainage systems and measures to eliminate the waterlogging effects. Furthermore, there is an information about pertinent requirements of statutory regulations and two schematic maps of waterlogging of soil in the Czech Republic are shown.

31.8.2015
Ing. Petra Okřinová, Ing. Josef Remeš

The article describes floor surfaces and form of their determination in construction and other fields, such as services, real estate, valuation, facility management and more. In Europe, each country has a different technical standard. This means that when we are determining the type of floor area for buildings with these technical standards, we can conclude that they differ by up to 30 %. Therefore, we chose a sample idea of building on which we symbolized each floor type. We tried to make clear, which constructions and types of floor are creditable and which are not. To demonstrate the importance of correct identification of floor surface we give an example calculation of cleaning services where savings could be seen in the correct determination of the floor surface.

17.8.2015
Ing. Michaela Talpová, Vysoké učení technické v Brně, Ústav soudního inženýrství

This article aims to grab the wear of buildings in terms of significant quantities by the scheme, which will be shown that the essential quantities affecting the problem on the object.  Wear of buildings is an important concept in real estate valuation, because every building has its use and degrades over time due to aging and the degradation or wear is reflected in the final determination of the value of construction and plays an important role in calculating valuation and especially cost method valuation. Wear of buildings closely related to the life expectancy of a particular type of construction provided routine maintenance and life expectancy of the individual structures and equipment.

17.8.2015
Ing. Petr Červený, VOŠ a SPŠ Volyně

The paper deals with complex solution of heating and economy measures regarding ecology of heat sources and preservation of architectural values of the Volyně college-complex. This solution also includes padding warm and exchange of windows in all complexes. New technology in boiled room was installed with application of boiler for fytomass-burning, gas condensation boilers, thermal pump in system air/water and cogeneration unit for supply electric energy.


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