ground water is the major source of drinking water in rural and semi-urban areas of assam. it contains an excessive amount of iron (1 to 10 mg/l). people living in rural and semi-urban areas of assam uses indigenous household iron filter units – developed using community prepared wooden charcoal (cpwc) and river sand (rs) as filter media. cpwc and rs processed and respectively termed as process...

cultural communications among nations consist of various subjects and architectural art styles are the most distinct and recognized subjects in this area of studding. the republic of dagestan in south of russian federation, not only from the past has cultural and historical relation with iran, but also ct located in the historical geography of cultural iran. this relationship was more due to th...

Ultrasonic propagation velocity across wood fiber direction was measured in wooden bridges in order to investigate the possibility of nondestructive deterioration diagnosis of wooden bridges. The measurements were carried out for three different types of wooden bridges. The periodical measurement was also made for one of them to investigate its secular change. The results were : (1) The histogr...

Due to the low specific strength of bamboo oriented strand boards compared with commonly used wooden building materials, reasonable and novel cross-section designs columns fabricated from as structural members were investigated. An axial compression experiment was carried out on full-scale characterize ultimate behaviors under a concentric load. The bearing capacities solid, hollow five-core sa...