Currently, vibration-based damage detection is an area of significant research activity. This paper attempts to extend the research in this field through the application of statistical analysis procedures to the vibration-based damage detection problem. The damage detection process is cast in the context of a statistical pattern recognition paradigm. In particular, this paper focuses on applyin...

For a reinforced concrete beam subjected to fatigue loads, the structural stiffness and bearing capacity will gradually undergo irreversible degeneration, leading to damage. Moreover, there is an inherent relationship between the stiffness and bearing capacity degradation and fatigue damage. In this study, a series of fatigue tests are performed to examine the degradation law of the stiffness a...

Many mixed hardwood stands found in bottomlands have been degraded by past harvesting practices that resulted in high grading the stand, thereby leaving the forester few options other than regeneration. Economic considerations usually constrain the choices to some form of complete overstory removal if adequate advance regeneration or sprouting potential is available. Success, in terms of number...

We developed a monkey model of 16 minutes global brain ischemia (GBI) resulting in reproducible, severe, permanent functional neurologic deficit with long term (7 days) postischemic (PI) survival made possible by standardized intensive care with 24 hour coverage by trained personnel. Quantitated neurologic deficit (ND) and brain histopathological examinations were developed. Fifteen minutes GBI...

In this paper the data of a forest health inventory are analysed. Since 1983 the degree of defoliation (damage), together with various explanatory variables (covariates) concerning stand, site, soil and weather, are recorded by the second of the two authors, in the forest district Rothenbuch (Spessart, Bavaria). The focus is on the space and time dependencies of the data. The mutual relationshi...

Results: Among the attributes, maternal and fetal monitoring stand out and, as antecedent, the identification of risks for preventing damage. The reduction of maternal and infant mortality and the well-being of the mother-child binomial were evident in this work. Following the establishment of model case and opposite case, the definition of safe childbirth was obtained: "the set of care measure...

It is becoming clear that fires in boreal forests are not uniformly stand-replacing. On the contrary, marked variation in fire severity, measured as tree mortality, has been found both within and among individual fires. It is important to understand the conditions under which this variation can arise. We integrated forest sample plot data, tree allometries and historical forest fire records wit...

Novel techniques for joining thermoplastic composites and aluminium alloys are critical underpinning the development of crashworthy lightweight multi-material automotive structures. Lap bonding interfaces represent a fundamental joint in typical This study investigates crashworthiness single-lap, adhesively bonded interlocked-hybrid composite-metal joints using low-velocity transverse impact te...