Review of the Prediction Model for Durability of Structural Wood under Decay and Termite Attack
Abstract: The mechanical properties of the structural wood are affected by its surrounding such as shrinkage cracks, decay fungi, termite attack and duration of load effect. It is necessary to study how these factors affect the resistance of the wood member during service life in order to predict the residual life of timber structure. Decay fungi induce the depth of decay increasing as time and the termite attack makes the wood have more pinholes. Both of them will greatly reduce the effective area of the wood member and meanwhile decay fungi decrease the strength properties in wood. In this paper the research development and achievement of the prediction model for durability of structural wood under decay and termite attack are reviewed in detail including decay model of in-ground timber, exposed timber in ground contact, above-ground exposed timber, protected timber and a reliability model under termite attack, and then it is concluded that it is the key problem and main future research to study on the mechanics of timber decay and to develop the quantitative prediction model under decay and termite attack considering various environmental factors.
文章引用: 王小丽 , 刘昊天 , 王雪亮 (2015) 腐朽虫蛀木构件的耐久性预测模型研究进展。 土木工程， 4， 207-214. doi: 10.12677/HJCE.2015.45026
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