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Characteristic damage of Vehicles at Low Speed Collision
Lexová, Kristýna ; Kaluža, Zdeněk (referee) ; Tokař, Stanislav (advisor)
This thesis deals with documentation and analysis of the most common types of vehicle damage caused by collisions with fixed objects at low speeds. The characteristic damage analysis is based on performing custom crash tests using objects that are different in shape and material. Furthermore, the thesis deals with the comparison of performed crash tests with vehicle damage typical for collisions of two vehicles in so-called parking maneuvres. The analysis is then applied in the assessment of real traffic accidents, which were identified as insurance frauds during the investigation. The work can be further used as a basis for comparative databases.
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Impact Damage to Vehicles at Low Speed
Holyszewská, Anna ; Kaluža, Zdeněk (referee) ; Tokař, Stanislav (advisor)
The thesis deals with documentation of the most common types of damage of vehicles at low speed, so-called ‘parking manoeuvers’. An analysis of characteristic damage was based on tests published so far, the author’s own tests and an analysis of real insured events. The results of the author’s own tests are compared to the procedures of the insurance company in the cases of potential insurance claims. The output of this thesis is a comprehensive presentation of the results of the impact tests carried out by the author which serve for the use in the assessment of insured events.
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Windscreen Defects Analysis and Repair Possibilities
Ondrouch, Dušan ; Kaluža, Zdeněk (referee) ; Tokař, Stanislav (advisor)
Theoretical part’s opening describes brief history of manufacturing of windshields and glass in general. Further in this part, key parameters and additional features are described as well as manufacturing processes of a modern windshield. Moreover, homologation procedure is clarified. The main focus of this thesis is technical description of typical damage of car’s windshield and investigation of its root causes, which may help to reveal insurance fraud. The thesis also outlines alternative way, which can be used to recover damaged windshield or, if necessary, to replace it.
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Analysis of vehicle damage in collisions with road safety barriers
Berka, Jan ; Kaluža, Zdeněk (referee) ; Tokař, Stanislav (advisor)
The theme of this thesis is the analysis of vehicle damage, which was caused by a collision with road safety barriers. The theoretical part describes the guardrail, their classification, structure, process design and methods of their testing, including criteria that must be met. Furthermore, the theoretical part describes the safety of vehicles in relation to the body structure and its material composition. The last chapter in this section is focused on the process of insurance companies in solving their clients' loss events. The second (practical) part is focused on defining the criteria that are important for the determination of certain facts in question accident. These criteria were drawn up based on the requirements of insurance companies while they were processed catalog. This catalog is the result of the work, which describes the happening of insured events, their assessment according to predefined criteria and estimate, if it is a plot manipulated insured or not. It can also be beneficial to insurance companies, which can be used as an aid in dealing with loss events.
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Degradation of painted components due to chemical compounds exposure
Vodák, Martin ; Kaluža, Zdeněk (referee) ; Tokař, Stanislav (advisor)
This diploma thesis deals with level of degradation of coating layers of car body by contact with chemicals in agreed time periods. First part is focused on surface pre-treatment and coating process in automotive industry. Description of coating materials is following. The last point of first part is focused on alternative coating technology – powder coating what is raising in customers´ focuses because of higher repeatability of powder cloud. The experiment is focused on coating degradation influenced by seven types of chemicals (petrol, diesel, AdBlue, washer fluid, salt liquid, Coca-Cola, alcoholic liquid) what car users meet every day. Testing samples were two bonnets. One was localized inner and another outside. Degradation of coating layer thickness was a long-time term and we measured connection between time of contact and used chemical. Based on such results we were able to determinate level of damage.
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The Effect of the Time of Bird Droppings Remaining on the Vehicle Body on the Damage Degree of the Paintwork
Bílek, Tomáš ; Kaluža, Zdeněk (referee) ; Bradáč, Albert (advisor)
This diploma thesis deals with the issue of the degree of damage done to the vehicle‘s body paint varnish by bird droppings; with respect to the influence of the pollution time on the thickness of the layer of lacquer. The first chapter deals with the importance of varnish and other layers of body protection, types of body varnish damage, painting technology, lacquer defects, bird droppings and its effects on the varnish of the vehicle‘s body. The second chapter is dedicated exclusively to the description, planning and measurement of the coated layers on the vehicle’s body contaminated with bird feces.
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Categorization of typical damage to vehicles
Obrátilová, Alena ; Kaluža, Zdeněk (referee) ; Tokař, Stanislav (advisor)
The Diploma thesis deals with segmentation of characteristic car damages, which arise during car crushes with ambient infrastructure of roads with concrete specialization to car crushes with trees and road culverts. According to chosen clash configurations there were characterized appropriate damages of front part of the car with usage of materials from real accidents. Level of damage is described according to location of the main point of impact and a speed during clash. The thesis provides summary of possible level of damage single parts of the car with focusing to front part and it gives opportunity comparison to detected damages during real car crushes with car damages made during manipulated harmful events.
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Degradation of painted components due to chemical compounds exposure
Vodák, Martin ; Kaluža, Zdeněk (referee) ; Tokař, Stanislav (advisor)
This diploma thesis deals with level of degradation of coating layers of car body by contact with chemicals in agreed time periods. First part is focused on surface pre-treatment and coating process in automotive industry. Description of coating materials is following. The last point of first part is focused on alternative coating technology – powder coating what is raising in customers´ focuses because of higher repeatability of powder cloud. The experiment is focused on coating degradation influenced by seven types of chemicals (petrol, diesel, AdBlue, washer fluid, salt liquid, Coca-Cola, alcoholic liquid) what car users meet every day. Testing samples were two bonnets. One was localized inner and another outside. Degradation of coating layer thickness was a long-time term and we measured connection between time of contact and used chemical. Based on such results we were able to determinate level of damage.
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Characteristic damage of Vehicles at Low Speed Collision
Lexová, Kristýna ; Kaluža, Zdeněk (referee) ; Tokař, Stanislav (advisor)
This thesis deals with documentation and analysis of the most common types of vehicle damage caused by collisions with fixed objects at low speeds. The characteristic damage analysis is based on performing custom crash tests using objects that are different in shape and material. Furthermore, the thesis deals with the comparison of performed crash tests with vehicle damage typical for collisions of two vehicles in so-called parking maneuvres. The analysis is then applied in the assessment of real traffic accidents, which were identified as insurance frauds during the investigation. The work can be further used as a basis for comparative databases.
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