This comprehensive review focuses on the integration of intelligent technologies, such as Internet Things (IoT), Artificial intelligence (AI), and Nondestructive Testing (NDT), in Structural Health Monitoring (SHM) field civil engineering. The article discusses technologies SHM for residential, commercial, industrial, historical, special buildings, nuclear power plants (NPPs). With incorporation there have been remarkable advancements SHM, a crucial aspect infrastructure safety, reliability,...

Paper describes in detail and gives example of the probabilistic assessment a steel structural element subject to fatigue load, particular attention being paid cracks from edge those surface. Fatigue crack damage depends on number stress range cycles. Three sizes are important for characteristics propagation - initial size, detectable size acceptable size. The theoretical model progression paper is based linear fracture mechanics. When determining required degree reliability, it possible...

Reliability of load-carrying structures has been assessed by various calculation procedures based on probability theory and mathematic statistics, which have becoming more popular. The are well-suited for the design elements in with required level reliability if at least some input parameters random contribute to a qualitatively higher assessment and, turn, safety those who use buildings facilities. This paper discusses application original new probabilistic methods – Direct Optimized...

The Direct Determined Fully Probabilistic Method (DDFPM) is newly developed probabilistic numerical calculation usable especially in the assessment of structural reliability. random input variables (such as load, geometry, material properties, or imperfections) can be expressed by means histograms with parametric and non-parametric distribution created from sets quantities that have been measured observed.

Attention to the fatigue cracks in steel structures and bridges has been paid for a long time. Fatigue crack damage depends on number of stress range cycles. Three sizes are important characteristics propagation - initial size, detectable size acceptable size. The theoretical model progression paper is based linear fracture mechanics. When determining required degree reliability, it possible specify time first inspection construction which will focus damage. Using conditional probability,...

Probabilistic methods are used in engineering where a computational model contains random variables. Each variable the probabilistic calculations uncertainties. Typical sources of uncertainties properties material and production and/or assembly inaccuracies geometry or environment structure should be located. The paper is focused on for failure probabilities structural reliability analysis with special attention newly developed method: Direct Optimized Calculation (DOProC), which highly...

The purpose of the paper is to perform a static analysis thin-wall cold-rolled steel cross-section trapezoidal sheet by means mathematical model developed in ANSYS, commercially available software applications. sheets are used typically as an external cladding which covers structures halls. Investigating into behaviour subjected extreme loads represents urgent issue wind engineering. A physical tension test has been performed order verify and confirm model. Experiments have prove results...

Tensile membrane structures combine a prestressed roofing envelope material and supporting elements. To design these structures, there is set of recommendations in the European Design Guide for Surface Structures some other national standards. However, currently, no official standard related to process tensile Union. The structure studied this project considered as permanent an external testing device shape simple hyperbolic paraboloid without enclosing walls. Snow wind loads were analyzed...

The paper is focuses on one of probabilistic methods which can be used for failure analysis and reliability assessment steel structures are subject to cyclic loads exposed fatigue. A particular attention paid creation propagation fatigue cracks from edges surface. On the basis assessment, a system inspections proposed structural details tend sensitive damage. new method still under development - Direct Optimized Probabilistic Calculation (DOProC) was this task. This FCProbCalc code.

The load-carrying system of each construction should fulfill several conditions which represent reliable criteria in the assessment procedure. It is theory structural reliability determines probability keeping required properties constructions. Using this theory, it possible to apply probabilistic computations based on and mathematic statistics. Development those methods has become more popular; used, particular, designs structures with level or when at least some input variables design are...

This paper describes the use of measured values in probabilistic tasks by means new method which is under development now - Direct Optimized Probabilistic Calculation (DOProC). has been used to solve a number tasks. DOProC applied ProbCalc part this software module for entering and assessing data. The can read saved text file create histograms with non-parametric (empirical) distribution probabilities. In case parametric distribution, it possible make selection from among 24 defined types...

The paper is focused on the numerical models of steel welded supporting elements and their verification using experiment. Currently, for stress-strain analysis in structures it possible to use many commercial software systems, based finite element method - FEM. It important check compare results FEM with physical test, which real behavior bearing can be observed. comparison used calibration computational model. article deals tests elements, whose main purpose obtaining material, geometry...

Probabilistic methods are used in engineering where a computational model contains random variables. The proposed method under development: Direct Optimized Calculation (DOProC) is highly efficient terms of computation time and solution accuracy mostly faster than case other standard probabilistic methods. novelty the DOProC lies an optimized numerical integration that easily handles both correlated statistically independent variables does not require any simulation or approximation...

During erection of a rooflight steel structure excessive deformation started appearing in the designed for rooflight. After repairing load-carrying system it was necessary to check whether free permanent deformations. The situation consulted with investor and proposed carry out load test which should prove that real accordance computational model.

Attention to the fatigue cracks in steel structures and bridges has been paid for long time. In spite efforts eliminate creation propagation of throughout designed service life, are still revealed during inspections. Note, that depending on location initial crack, crack may propagate from edge or surface. The theoretical model progression is based linear fracture mechanics. Steel specimens subjected various load (tension, three-and four-point bending, pure bending etc.). calibration...

Various calculation methods based on the theory of probability and statistics are used for structural analysis reliability assessment. Those so-called probabilistic have been becoming very popular recently. Using method, it is possible to analyse a safety margin defined in computational model where at least some input characters random. New method which being developed now - Direct Optimized Probabilistic Calculation ("DOProC") purely numerical uses no simulation or approximation techniques....

The article is focused on the exploration of fatigue damage to bridges and steel structures subjected cyclic loading. Computational model crack propagating from surface it based linear elastic fracture mechanics utilizing Paris-Erdogan's law. behavior carrier element susceptible experimentally investigated specimens with various types load expressed by a calibration function. For prediction over time, functions for short edge cracks were derived results experiment, acceptable size in damaged...

The article deals with the fatigue damage analysis of aging steel structures. structure was built in 1920 and is used to operate an outdoor storage rolled products. serves as a support for overhead cranes lifting capacity 8 tons. Reliability assessment including prediction residual service life requested by property owner. Corrosion state structural elements resistance represent key data life. study documentation inspection first steps analysis. Next, computational numerical model bar...

Concrete is an ecological material with a high potential to adapt specific operating conditions, and the lowest carbon footprint as it made from local raw materials—aggregate, cement, water, admixtures, mineral additives. It most widely used composite among those that are man-made second only water in entire range of materials used. The aim this research was assess possibility using fly ash thermal treatment sewage sludge alternative additive concretes resistant environmental influences...

Attention to the fatigue cracks in steel structures and bridges has been paid for a long time. In spite of efforts eliminate creation propagation throughout designed service life, are still revealed during inspections. Fatigue crack damage depends on number stress range cycles. This is time factor course reliability entire life. The failure rate increases decreased. If possible included into rate, it necessary investigate define maximum acceptable degradation. Three sizes important...