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Assessment for Selection Considering the Fire Rating and Moisture Content of Timber in Building Construction

In: Other Topics

Submitted By spotfx
Words 329
Pages 2
1.0 INTRODUCTION
Shelter is one of the basic needs of people in every society. Man strives to have decent homes and environment; this is applicable in both rural and urban communities by the use of good building materials. The earliest forms of houses were built by mud which can still be found in some areas in the country. Gradually, development and structural advancement began to take place in the world of building. As man moved from Stone Age to computer age; this was further enhanced by the growth and advent of new building materials and modern technology. As a result of changes in design, environmental decoration and taste of individuals, the old and crude methods of building productions were rendered obsolete. Hence, there is need for a holistic approach for integrating sustainability principles into material selection decision making at the design stage of building project (Akadiri, 2011)
This research took place in Lagos state. The state is situated in the south-west geographical zone of Nigeria. The analysis for this study was carried out in Lagos State Material Testing Laboratory. Although there are many species of hard and softwood, nineteen (19) seasoned timbers were taken as an identification sample. But four (4) different species (Obese, Malaina, Lagos Mahogany, Sapele Mahogany), of which were hard and softwood, were picked out for evaluation for this study in the light to investigate and identify the moisture content and fire rating between hard and softwood; and these constituted the sample size.

The rationale for this selection of hard and softwood is to provide a measurable and deliverable recommendation to construction experts in Nigeria of the best and regular use classification of timber in building construction projects for feasible and optimal sustainability.

The analysis of data obtained from the laboratory, was done using Analysis Of variance (ANOVA) of the sample treatment at 5% level of significance and was concluded that softwood had higher moisture content, while hardwood took longer time to ignite.

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