changes in dynamic properties of structures indicate occurrence of damages in the structures. in this paper, a new two stage algorithm for damage detection of large structure is introduced. a modified residual force method is utilized to locate the damage regions in structures, especially barrel vaults, and then the enhanced charged system search (css) algorithm is used to quantify the amount o...

Abstract The paper presents a diagnosis of damage to heritage structures based on the case historic church in Ko?uchów. Church Purification Blessed Virgin Mary dates back thirteenth century and is an important sacral building south-west Poland. Renovation strengthening works have been conducted recent years with goal structurally stabilizing building. includes short history building, as well re...

This work presents a simulation approach to the design and economic evaluation of fuel oil hydrotreating processes for the control of SO2 and NOx emission in an Iranian steam power plant. The percent of fuel oil desulphurization was estimated from the SO2 emissions standards for power plants. Based on two different scenarios according to (I) European and (II) Iranian standards, the design and s...

This paper presents a parametric stability study of groin, or cross vaults, structural element widely used in old masonry construction, particularly Gothic architecture. The vaults’ is measured using the geometric safety factor (GSF), computed by evaluating structure’s minimum thickness through thrust network analysis (TNA). obtained formulating and solving specific constrained nonlinear optimi...

The author investigates the building process of ancient Kyyivan monuments. After wall foundations were laid, erection ground volumes edifice began. Wooden scaffoldings arranged at both sides a wall. remains caffolding preserved in brick fabric can be seen on front walls Transfiguration Church Berestove and St. Michael’s Vydubytsky monastery. height between scaffolding tiers as well masonry them...