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inżynier budowlany, doktor nauk technicznych, konsultant budowlany, posiada uprawnienia pełne budowlane w zakresie konstrukcji oraz zakresie obiektów budowlanych gospodarki wodnej i melioracji wodnych, uprawnienia mykologiczne – specjalista mykolog, wykładowca na WBiIŚ PP, UAP, WSB, UAM, członek WOIIB, PZITB, PSMB. Współautor ekspertyz budowlanych oraz autor kilkudziesięciu artykułów, referatów i książek z dziedziny rewitalizacji, problemów akustycznych, wilgotnościowych i termicznych obiektów budowlanych, budownictwa zrównoważonego, niskoenergetycznego i ekologicznego. Czynny uczestnik wielu konferencji. Prelegent szkoleń przedmiotowych z zakresu budownictwa organizowanych przez PIIB, LOIIB, WOIIB ,Targi Budowlane BUDMA. Uczestnik prac badawczych z zakresu: badań teoretycznych i doświadczalnych procesów fizyko-mechanicznych w betonie, wpływu czynników fizyko-chemicznych na właściwości materiałów i konstrukcje budowli, analiz mających na celu określenie stanu bezpieczeństwa istniejących obiektów budowlanych
As climate changes progress we are dealing with violent and excessive environmental actions. However, the impacts of loads acting on a building object caused by unlikely phenomena such as: fire, explosion, flood, vehicle impact, plane impact, excessive snowfall, and excess wind gusts are still being ignored when analyzing the structure of building objects in the combinatorics of loads. The paper presents a multi-criteria approach to accidental actions and analyzes design situations and load combinations in relation to accidental actions. The existing legal acts were used to define the concept of a construction disaster. The authors verified, on the basis of applicable legal acts and design guidelines, individual analysis strategies for ensuring the safety of building objects and divided them into consequence classes of structural damage. They collected and analyzed the number of construction disasters which occurred in Poland between 1995–2019 (25 years) based on the data from the General Office of Building Control. The number of disasters was divided by voivodeships and causes and supplemented with the data on the number of people injured. The article presents the direction of research development that could be undertaken in order to eliminate future catastrophes caused by the omission of the analysis of the impact of accidental actions at the design stage. Statistical analyses were carried out to show whether land use, population density, and weather factors (wind) affect the number of recorded disasters. It has been shown that regions that have preserved the sustainable development of their territories are less vulnerable to disasters resulting from extreme weather events.
Anna Szymczak-Graczyk; Ireneusz Laks; Barbara Ksit; Maria Ratajczak. Analysis of the Impact of Omitted Accidental Actions and the Method of Land Use on the Number of Construction Disasters (a Case Study of Poland). Sustainability 2021, 13, 618 .
AMA StyleAnna Szymczak-Graczyk, Ireneusz Laks, Barbara Ksit, Maria Ratajczak. Analysis of the Impact of Omitted Accidental Actions and the Method of Land Use on the Number of Construction Disasters (a Case Study of Poland). Sustainability. 2021; 13 (2):618.
Chicago/Turabian StyleAnna Szymczak-Graczyk; Ireneusz Laks; Barbara Ksit; Maria Ratajczak. 2021. "Analysis of the Impact of Omitted Accidental Actions and the Method of Land Use on the Number of Construction Disasters (a Case Study of Poland)." Sustainability 13, no. 2: 618.
Liquid plastic films are understood as single- or two- or multi-component polymer or polymer bitumen mixtures. Liquid plastic films must meet the requirements for waterproofing insulation, which means, among others, that they must protect the roof from mechanical damage and have resistance to weather conditions. Suitability for use as waterproofing must be confirmed by an ETA (European Technical Assessment) certificate. The article presents the advantages and disadvantages of waterproofing coatings. The application and division of sealing compounds with a brief description of individual solutions are presented. It was also pointed out that the roof aesthetics would be improved due to the use of renovation solutions in the form of plastic films.
Barbara Ksit; Roman Pilch. Liquid plastic films as a solution in terms of tightness problems and roofs aesthetics improvement – review. Budownictwo i Architektura 2020, 18, 051 -058.
AMA StyleBarbara Ksit, Roman Pilch. Liquid plastic films as a solution in terms of tightness problems and roofs aesthetics improvement – review. Budownictwo i Architektura. 2020; 18 (4):051-058.
Chicago/Turabian StyleBarbara Ksit; Roman Pilch. 2020. "Liquid plastic films as a solution in terms of tightness problems and roofs aesthetics improvement – review." Budownictwo i Architektura 18, no. 4: 051-058.
The determination of mutual correlation between thermal and humidity-related parameters at locations with difficult geometry is still a challenge for designers. External partitions operating in adverse environmental conditions must exhibit specific parameters protecting against condensations and destruction, in order to ensure the operation safety of the entire structure. Both the research, as well as construction reality have shown that thermal bridges are the critical locations of buildings. The Investors often interfere with the design process creating hard-to-accept boundary conditions. Lack of knowledge and experience often results in the formation of construction defects and failures.
Barbara Ksit; Anna Szymczak-Graczyk. Thermal analysis of structural nodes – as locations of difficult geometry, using computational methods. The proceedings of the 13th international conference "Modern Building Materials, Structures and Techniques" (MBMST 2019) 2019, 1 .
AMA StyleBarbara Ksit, Anna Szymczak-Graczyk. Thermal analysis of structural nodes – as locations of difficult geometry, using computational methods. The proceedings of the 13th international conference "Modern Building Materials, Structures and Techniques" (MBMST 2019). 2019; ():1.
Chicago/Turabian StyleBarbara Ksit; Anna Szymczak-Graczyk. 2019. "Thermal analysis of structural nodes – as locations of difficult geometry, using computational methods." The proceedings of the 13th international conference "Modern Building Materials, Structures and Techniques" (MBMST 2019) , no. : 1.
Reinforced concrete structures are frequently designed and executed in such facilities as: halls, warehouses, factories, multi-family buildings, single-family buildings, tanks, silos and many others. For this type of structures, it is particularly relevant to provide an appropriate thickness of concrete lagging, which aims at protecting reinforcement against corrosion, and to design it with appropriate spacing allowing the in-between space to be filled with a concrete mix. A frequent problem met while making reinforced concrete structures is such a density of reinforcing bars, particularly within structural nodes, that there is no possibility of filling the space between them with a concrete mix or it is not possible to vibrate the concrete mix in order to prevent segregation of mixture components. Structural nodes are points where special attention should be paid to careful compaction of concrete mixes and application of measures that prevent concrete from adhering to molds. The case study illustrates two structural nodes connecting a column with a bolt, located in a wall with a column-transom structure. During the modernisation works carried out in the production hall there were exposed two structural nodes completely unfilled with a concrete mix and with visible reinforcing bars that showed little buckling and the onset of corrosion. The columns, due to their location in the general static scheme of the wall, were subjected to compression or locally compressed and affected by bending. Particularly unfavourable was the fact that the columns did not feature the concrete lagging in the compression zone of the element. Removal of concrete lagging in the compression zone always results in decrease in the bearing capacity of a structure. It can be concluded that due to faulty workmanship the columns had a lower load bearing capacity than anticipated in the building permit design. The paper provides software-derived guidelines for repairing reinforced concrete columns so as to obtain the value of load bearing capacity equal or higher than expected in the design and on the assumption that repair works would be carried out on columns subjected to loading.
Anna Szymczak-Graczyk; Barbara Ksit; Ireneusz Laks. Operational Problems in Structural Nodes of Reinforced Concrete Constructions. IOP Conference Series: Materials Science and Engineering 2019, 603, 032096 .
AMA StyleAnna Szymczak-Graczyk, Barbara Ksit, Ireneusz Laks. Operational Problems in Structural Nodes of Reinforced Concrete Constructions. IOP Conference Series: Materials Science and Engineering. 2019; 603 (3):032096.
Chicago/Turabian StyleAnna Szymczak-Graczyk; Barbara Ksit; Ireneusz Laks. 2019. "Operational Problems in Structural Nodes of Reinforced Concrete Constructions." IOP Conference Series: Materials Science and Engineering 603, no. 3: 032096.
Wind action belongs to loads that are environmentally variable. Wind action is included in the basic combination of loads, whereas hurricane wind action is classified as a unique combination. Due to large gusts of wind, the roof coverings of large-scale buildings are exposed to detachment of their cover layer. The article presents the effects of over-normative wind, which occurred on January 19, 2018 and was named the cyclone Frederic/David. The purpose of the article is to show that in design of roof coverings made of large-format materials, such as membranes, it is crucial to accept wind load values properly in order to ensure a right spacing between fasteners. The presented results might be an important contribution to the debate on the necessity for increasing the fundamental value of the basic wind velocity in the perimeter and corner zones of large-format roofs.
Barbara Ksit; Anna Szymczak-Graczyk. Rare Weather Phenomena and the Work of Large-Format Roof Coverings. Civil and Environmental Engineering Reports 2019, 29, 123 -133.
AMA StyleBarbara Ksit, Anna Szymczak-Graczyk. Rare Weather Phenomena and the Work of Large-Format Roof Coverings. Civil and Environmental Engineering Reports. 2019; 29 (3):123-133.
Chicago/Turabian StyleBarbara Ksit; Anna Szymczak-Graczyk. 2019. "Rare Weather Phenomena and the Work of Large-Format Roof Coverings." Civil and Environmental Engineering Reports 29, no. 3: 123-133.
Barbara Ksit; Anna Szymczak-Graczyk. Przykłady napraw i renowacji posadzek przemysłowych. ACTA SCIENTIARUM POLONORUM - Architectura Budownictwo 2019, 18, 91 -98.
AMA StyleBarbara Ksit, Anna Szymczak-Graczyk. Przykłady napraw i renowacji posadzek przemysłowych. ACTA SCIENTIARUM POLONORUM - Architectura Budownictwo. 2019; 18 (1):91-98.
Chicago/Turabian StyleBarbara Ksit; Anna Szymczak-Graczyk. 2019. "Przykłady napraw i renowacji posadzek przemysłowych." ACTA SCIENTIARUM POLONORUM - Architectura Budownictwo 18, no. 1: 91-98.
Dampness in basement walls caused by capillary rise of water from the ground, as well as possible resulting damage, is very unfavourable phenomenon. This problem mainly concerns historical buildings and other structures erected before 1920, and the destruction is caused by lack, damage or technical wear of insulation. However, it can also arise in relatively new buildings where insulation was made incorrectly (or was not made at all). Creating a barrier that interrupts the capillary rise of moisture in the existing wall, i.e. secondary horizontal hydro-insulation is perceived as one of the most difficult, from a technical point of view, tasks in the field of building protection against water and dampness. The so-called mechanical methods are seen as the safest. Assuming that the works will be flawlessly planned and executed, a durable layer, impermeable to water and thus completely inhibiting the capillary transport of moisture, is formed in the cross-section of the wall – in many cases resulting in highly efficient isolation as "in a new building" 1[1]. However, due to practical limitations, mechanical methods are used much less frequently than injection schemes. By injection, injection technology or chemical injection is meant the introduction of injection fluid into the masonry, with the following three distinguishable ways of applying an injection agent: penetration, pressure and pulse in the form of an aerosol. The technology must ensure equal distribution of an injection agent within the entire wall cross-section, and its principle of operation is to create a continuous layer interrupting capillary rising to obtain (after some time) an area with regular dump in the masonry zone above the membrane. Injection methods, although widely used, are associated with a greater risk of partial or complete failure. The universality of application combined with the risk of failure has encouraged the search for a parameter to assess the effectiveness of secondary horizontal insulation. A suitable parameter is the AQ coefficient (from German - Abdichtungs Qualität) based on the capillary water absorption coefficient, proposed by Venzmer et al3. The article presents research results on the effectiveness of chemical injections performed in reference walls made of ceramic bricks. The membrane was made using three different injection agents: formulation based on silicates (mixture of silicates and alkaline methyl silicates), silicon micro-emulsion and silane-based injection cream. In the injection zone, the drill cores were taken to perform capillary water absorption coefficient measurements. In order to obtain reference samples, additional drills were made above the impregnation zone protected with the injection agent. Both the measurements made and the calculated AQ coefficients proved the effectiveness of the abovementioned injection agents.
Bartlomiej Monczynski; Barbara Ksit; Anna Szymczak-Graczyk. Assessment of The Effectiveness of Secondary Horizontal Insulation Against Rising Damp Performed by Chemical Injection. IOP Conference Series: Materials Science and Engineering 2019, 471, 052063 .
AMA StyleBartlomiej Monczynski, Barbara Ksit, Anna Szymczak-Graczyk. Assessment of The Effectiveness of Secondary Horizontal Insulation Against Rising Damp Performed by Chemical Injection. IOP Conference Series: Materials Science and Engineering. 2019; 471 (5):052063.
Chicago/Turabian StyleBartlomiej Monczynski; Barbara Ksit; Anna Szymczak-Graczyk. 2019. "Assessment of The Effectiveness of Secondary Horizontal Insulation Against Rising Damp Performed by Chemical Injection." IOP Conference Series: Materials Science and Engineering 471, no. 5: 052063.
The 2000 Water Framework Directive (WFD) and the 2007 Floods Directive (FD) have forced the member states of EU to introduce specific regulations and rules related to the development of flood plains. An important assumption of the introduced regulations is the gradual postponement of buildings from areas endangered by flooding. This is a rational approach from the point of view of minimizing the risks associated with flooding. However, many cities are located on rivers. The growth of these cities is not possible or would be very limited without the possibility of developing areas very close to the river. Therefore, a conflict of interest arises between local self-government authorities, entrepreneurs, private persons and institutions responsible for flood protection and water management. The first group see urban areas in the vicinity of the river as economically attractive and the latter as the potential increase in the risk of flooding. The main purpose of the work is to present the scope of hydraulic analyses supporting the decision-making process on the development of flood plains. In the conducted research, a case study was used for the city of Kalisz located in central Poland on the Prosna River. It is being planned to build a housing estate in Kalisz within areas threatened by flooding. Although, inevitably, Kalisz has its residential, administrative and industrial buildings located very close to the Prosna River, the city's system of flood protection is unsatisfactory, mainly due to the lack of funds. The local water management board is very reluctant to refer to projects related to the development of areas in the vicinity of watercourses, which, in its opinion, will further increase the risk of flooding. The paper shows that carrying out detailed hydraulic, design and construction analyses significantly supports the legal process of issuing permits for the development of areas threatened by floods.
Ireneusz Laks; Zbigniew Walczak; Anna Szymczak-Graczyk; Barbara Ksit; Jacek Madrawski. Hydraulic and Legal Conditions for Buildings in Floodplains-Case Study of Kalisz City (Poland). IOP Conference Series: Materials Science and Engineering 2019, 471, 102050 .
AMA StyleIreneusz Laks, Zbigniew Walczak, Anna Szymczak-Graczyk, Barbara Ksit, Jacek Madrawski. Hydraulic and Legal Conditions for Buildings in Floodplains-Case Study of Kalisz City (Poland). IOP Conference Series: Materials Science and Engineering. 2019; 471 (10):102050.
Chicago/Turabian StyleIreneusz Laks; Zbigniew Walczak; Anna Szymczak-Graczyk; Barbara Ksit; Jacek Madrawski. 2019. "Hydraulic and Legal Conditions for Buildings in Floodplains-Case Study of Kalisz City (Poland)." IOP Conference Series: Materials Science and Engineering 471, no. 10: 102050.
Barbara Ksit. Projekt rozbudowy świetlicy wiejskiej z wykorzystaniem materiałów o niskich parametrach przewodzenia ciepła. MATERIAŁY BUDOWLANE 2018, 1, 44 -45.
AMA StyleBarbara Ksit. Projekt rozbudowy świetlicy wiejskiej z wykorzystaniem materiałów o niskich parametrach przewodzenia ciepła. MATERIAŁY BUDOWLANE. 2018; 1 (11):44-45.
Chicago/Turabian StyleBarbara Ksit. 2018. "Projekt rozbudowy świetlicy wiejskiej z wykorzystaniem materiałów o niskich parametrach przewodzenia ciepła." MATERIAŁY BUDOWLANE 1, no. 11: 44-45.
The article contains an analysis of selected systems for thermorenovation of vertical partitions in protected buildings. Historical buildings often require thermo-renovation, but in practice their "insulation" can be applied only internally on partitions without decorations. Internal thermorenovation methods can be classified according to heat exchange and moisture transport. For the purpose of this paper, the methods were analysed in terms of diffusion-open and diffusion-closed systems, and compared in a multi-variant aspect. The calculations were made assuming a wall with the moisture content up to 3%, a wall with the very high moisture content up to 11%, and for a wet wall with a constant inflow of water due to capillary action. They attempted to evaluate the effectiveness of various thermo-modernisation treatments in building partitions in the aspect of protection against permanent moisture growth, mould development and improvement of their overall heat protection, considering the 8-year time interval. Several different sets of materials were included in a multivariate analysis, as well as various scenarios of the possible effects of their use. The paper is summarised with conclusions regarding the effectiveness and risk related to the application of different internal methods of thermo-renovation of partitions.
Barbara Ksit; Mariusz Gaczek. Analytical meanders of selected systems for thermo-renovation of historical buildings. E3S Web of Conferences 2018, 49, 00062 .
AMA StyleBarbara Ksit, Mariusz Gaczek. Analytical meanders of selected systems for thermo-renovation of historical buildings. E3S Web of Conferences. 2018; 49 ():00062.
Chicago/Turabian StyleBarbara Ksit; Mariusz Gaczek. 2018. "Analytical meanders of selected systems for thermo-renovation of historical buildings." E3S Web of Conferences 49, no. : 00062.
The moisture content in historical masonry walls, particularly on the ground floor, caused by i.e. lack of damp insulation, is a phenomenon of common occurrence. It is usually analysed in terms of mycological changes, thermal insulation and frost damage. The paper discusses the influence of the increased moisture content on the weight and load bearing capacity of the structure. The determination of moisture content in masonry elements, performed during the inspection of the building, provides information from which an increase in the structure's weight can be defined. Reliable tests for the moisture content and compressive strength of masonry and mortar components are invasive, and the number of testing in historical buildings should be limited to the minimum necessary to preserve their vintage nature. As a result, the received overall picture of the work of masonry may not be consistent with its actual state since historical buildings could have been rebuilt or repaired, and consequently, contain masonry conversions made of various materials with different properties. Absorbability can serve here as an example as it is a factor that disrupts a reliable determination of load bearing capacity values of masonry structures. The article attempts to determine the change in load bearing capacity of a moist masonry structure compared to the original - in the air-dry state - for various types of historical masonry and mortar components. The main influence analysed was due to capillary action, whereas the effect of other sources of moisture, i.e. salinity, was excluded.
Monika Siewczynska; Barbara Ksit. The influence of the moisture content in historical masonry walls on the load bearing capacity. E3S Web of Conferences 2018, 49, 00100 .
AMA StyleMonika Siewczynska, Barbara Ksit. The influence of the moisture content in historical masonry walls on the load bearing capacity. E3S Web of Conferences. 2018; 49 ():00100.
Chicago/Turabian StyleMonika Siewczynska; Barbara Ksit. 2018. "The influence of the moisture content in historical masonry walls on the load bearing capacity." E3S Web of Conferences 49, no. : 00100.
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Barbara Ksit. Poliuretan jako materiał termoizolacyjny dachów kaskadowych. MATERIAŁY BUDOWLANE 2017, 1, 62 -63.
AMA StyleBarbara Ksit. Poliuretan jako materiał termoizolacyjny dachów kaskadowych. MATERIAŁY BUDOWLANE. 2017; 1 (3):62-63.
Chicago/Turabian StyleBarbara Ksit. 2017. "Poliuretan jako materiał termoizolacyjny dachów kaskadowych." MATERIAŁY BUDOWLANE 1, no. 3: 62-63.
Grzegorz Wysocki; Barbara Ksit; Marlena Kucz. The Influence of a Low Bearing Subgrade on the Stability of a Shared Street (Woonerf) Foundation. Procedia Engineering 2017, 172, 1252 -1260.
AMA StyleGrzegorz Wysocki, Barbara Ksit, Marlena Kucz. The Influence of a Low Bearing Subgrade on the Stability of a Shared Street (Woonerf) Foundation. Procedia Engineering. 2017; 172 ():1252-1260.
Chicago/Turabian StyleGrzegorz Wysocki; Barbara Ksit; Marlena Kucz. 2017. "The Influence of a Low Bearing Subgrade on the Stability of a Shared Street (Woonerf) Foundation." Procedia Engineering 172, no. : 1252-1260.
Modern materials and construction solutions draw more and more attention to ecology and building certification. Among the criteria appearing in revitalization, an important element is bringing plants back into heavily urbanized areas. In its natural form, this is not possible to carry out everywhere, often requiring large amounts of space. Nowadays, however, there are a number of green roofs and green wall systems, allowing “greener” construction without making significant changes in the urban environment. The article includes a presentation and analysis of selected solutions of biological surfaces known as green roofs and green walls, specifying various solutions and their most important features. The case study focuses primarily on material and design solutions, as well as the potential benefits, risks and limitations in their use. Plants structures on the surfaces of vertical and horizontal partitions continue to be a very interesting alternative to take into account when applying for grants, such as LEED or BREEAM certificates.
Barbara Ksit; Michał Majcherek. Green Construction in Building Renovation. Civil and Environmental Engineering Reports 2016, 21, 63 -70.
AMA StyleBarbara Ksit, Michał Majcherek. Green Construction in Building Renovation. Civil and Environmental Engineering Reports. 2016; 21 (2):63-70.
Chicago/Turabian StyleBarbara Ksit; Michał Majcherek. 2016. "Green Construction in Building Renovation." Civil and Environmental Engineering Reports 21, no. 2: 63-70.