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Formulation of the computer model of RC structure is very complex task. Paper gives a particular emphasis to following features: hierarchy in general approach, selection of the phenomena to be analysed and choise of degree of accuracy and orientation within the search goals. Two discussed examples give valuable comments to the practical application of the method.
The problem of strengthening the historical buildings requires detailed recognition of structural elements with taking into account their architectional and historical values and environmental conditions with its influence on the existing bearing structures' elements. The paper gives examples of false recognition of structure, changes made in well-prepared project of strengthening that led to failure...
The description of action which has been realized during industrial hall protection from global disaster has been presented in the paper. The hall which had reinforced concrete construction was erected in fifties years. The disaster has been caused by impact of the forklift truch in the lower zone of the column, which has been placed in the middle part of the building. The description of the rescue...
In the paper, there are presented the main problems of dilatation joints - the watertightness and cracks propagation in structure showed on the example of objects testing.
The possibility of calculating disclosing of the reserves inherited in structures tested by expert, has been presenting in this paper. The analysis has carried, based on the large-size slab, multi-beams, timber-concrete and composed floors, also masonry walls with concrete lintel beams. The easiness of providing and effectively of accurate calculation has indicated.
The paper is concerned with the history of the experts activity.There are given main rules how to obtain the of the PZITB expert and also the classfication specialities. The paper throws light on the and tasks of the PZITB Association in the expertise in the aspect of obliging building low.
The statistical regularities on the primary and secondary dwelling market in Wrocław are considered. The authors have analysed 987 transactions on the primary market and 544 transactions on the secondary market concluded in the first 10 month 1997 year. The influence of the time, the sizeof the flat and the distance from the city centre on the flats` price have been investigated. The results will...
The paper deals with rhe geotechnical building on the karst. The sedimentation basin had broken down. There is a proposal of the repair it in this paper. Authors had projected the geological (and geophysical) exploration too.
In this paper the author presents the documents containing the analyses of the structures dangers and the constructions damages in the years 1963-96. The constructions damages are differentiated due to the type of the construction and building, the type of the material, the type of the danger and the causes of the dangers and damages. The technical types of the dangers were selected due to the following...
Durability of the repaired building structures is a complicated and difficult problem.This is also important from the practical point of view.S set of requirements, which should be met for ensuring the efficiency of the concrete structure repair in the durability aspect, has been proposed.The requirements concern the repair method, including the proper diagnosis of the state of the object, as well...
The author presents classification of anchors depending on their fastening methods (according to recommendations of CEB and EOTA). The rules for designing safe fastenings were discussed based on the method of partial safety factors.
The paper presents the exploitation problems of architectural monument which has been located in the north-east of Poland. The brick building has been erected in the end of XIX-th century and was covered rafter framing with atypical wooden construction. Building elements have been considerable exploited for over one hundred years. The following users removed the springer elements of wooden rafter...
The article describes the theoretic basis of the marker method. As the result of the conducted experiments there were established the research possibilitiesof the method for the practical use in civil building. There is presented an example from the research of the air transfer in a flat.
Materials containing asbestos are used in different kind of buildings. Becouse of their toxic properties they are carefuly removed from building objects during renovation and modernization. Especially soft asbestos materials are source of environmental pollution. Special attention should be done to applied technics of asbestos removing. All wastes should be collected and air pollution measurements...
Deflections found in the structural elements which are places at the edges of deep trenches usualy have influence on the adjoining area, hence on the technical state of edifices located in near surroundinds. Such buildings have to be checked and possibly undergo additional safety measures before the construction of a new trench. This paper is also dedicated to the scope of diagnostic works and type...
The paper presents the genesis of expertise in PZITB. Such an activity was begun in 1957 by the Departament of PZITB in Łódź. There are described the initiation into duties of expertise in whole Association in 1962. The paper presents also the function of the Group number 2 of the Team of Exports of PZITB (1962-1984) and CUTOB of the Departament of PZITB in Łódź (1985-1997).
Production activity influences not only the environment in general, but also the elements of process constructions. The article discucces the knowledge of diagnostics of the corrosion of interiors of the production construction with permanent use of chemical media.
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