corrosion of reinforcing steel and other embedded metals is the main cause of severe deterioration in reinforced concrete structures which subsequently imposes adverse effects on ultimate and serviceability limit state performance of the whole structure. in this paper, a new corrosion detection method for reinforced concrete beams, based on wavelet analysis is presented. to evaluate the capabil...

In spite of the hype in the international media about India’s global integration, economic reform there has been rather halting and hesitant. Cheerleaders of reform among corporate tycoons and financial columnists are often not aware how unpopular reform is, rightly or wrongly, among the general public in India. In the National Election Survey 2004 more than twothirds of about 23000 sample resp...

This paper aims to evaluate the non-destructive ultrasonic pulse velocity (UPV) test method for determining compressive strength of high concrete (HSC) after fire. The was determined through destructive cylinder and by measuring velocity. A total 10 equations that relate UPV were evaluated in a 20 samples. None well suited case HSC. proposed new equation showed suitable assessment post-fire dam...

introduction: nutritional quality of food during storage has become increasingly an important problem. the loss of some nutrients such as ascorbic acid (vitamin c) might be a critical factor for the shelf life of some products as citrus juice concentrates, since vitamin c content of citrus juices undergoes destruction during storage (plaza et al., 2011a). ascorbic acid is an important component...

Accelerated Destructive Degradation Tests (ADDTs) provide reliability information quickly. An ADDT plan specifies factor level combinations of an accelerating variable (e.g., temperature) and evaluation time and the allocations of test units to these combinations. This paper describes methods to find good ADDT plans for an important class of destructive degradation models. First, a collection o...

Nowadays, the better performance of lightweight structures during earthquake has resulted in using lightweight concrete more than ever. However, determining the compressive strength of concrete used in these structures during their service through a none-destructive test is a popular and useful method.  One of the main methods of non-destructive testing in the assessment of compressive strength...