INTERNAL ROT DETECTION WITH THE USE OF LOW-FREQUENCY FLAW DETECTOR
Journal Title: Civil and Environmental Engineering Reports - Year 2014, Vol 2, Issue 13
Abstract
The issue of rot detection in standing timber or stocked wood is very important in forest management. Rot flaw detection used for that purpose is represented by invasive and non-invasive devices. Non-invasive devices are very accurate, but due to the cost and complicated operation they have not been applied on a large scale in forest management. Taking into account the practical needs of foresters a prototype of low-frequency flaw was developed. The principle of its operation is based on the difference in acoustic wave propagation in sound wood and wood with rot.
Authors and Affiliations
Marek PROSKÓRNICKI, Grzegorz LIGUS
The possibilities of sludge management, generated in the industrial - laundry wastewater treatment process in the Fliegel Textilservice laundry in Nowe Czarnowo
Sludge is generated in all methods of sewage treatment. Choosing a sewage treating technology is necessary to analyse simultaneously the possibilities of sludge management. The methods of sludge management, generated in...
EUTROPHICATION OF THE STRZESZYŃSKIE LAKE: SOURCES, CONSEQUENCES AND REMEDIES
The paper presents history and recent review of investigations on ecological status of the Strzeszyńskie Lake, located within borders of town Poznań. The lake is a popular rest place, also for bathing and angling, theref...
Selected models for the description of the kinematics of changes of height differences between points in a geodesic network under the influence of mining
The article attempts to describe the progress of deformation of the surface of the Legnica-Głogów Copper Mining Area in the years 1967-2008. The state of deformation has been described with kinematical models of the disp...
CANONICAL VARIATE ANALYSIS OF CHLOROPHYLL CONTENT IN PLANTS EXPOSED TO DIFFERENT LEAD CONCENTRATIONS IN AMBIENT AIR CONDITIONS
This paper presents the results of biomonitoring of Pb in ambient air. For this purpose Italian ryegrass was used to evaluate Pb level. Additionally chlorophyll forms (a+b, a and b) were measured in leaves. Plants were e...
FOREST MANAGEMENT AS AN ELEMENT OF ENVIRONMENT DEVELOPMENT
The implementation of goals of modern forestry requires a simultaneous consideration of sustainable development of forests, protection, needs of the environment development, as well as maintaining a balance between funct...