CAJ | 학술논문

以落叶松和大青杨的木材为试材，用生物质燃气对其进行热处理，处理温度为150～210℃，处理时间为4h。对热处理材进行室内抗白蚁和野外埋地试验，研究不同温度热处理对落叶松和大青杨2个树种热处理材的室内抗白蚁和天然耐久性影响。结果表明，在室内抗白蚁试验中，随着热处理温度的升高，落叶松和大青杨热处理材的失重率均呈现增加的趋势，热处理后试材的室内抗白蚁性能降低，且随着处理温度的提高抗白蚁性能降低明显；热处理温度对落叶松试材的天然耐久性有较大影响，随着处理温度的提高，其天然耐久性越好，呈现增加的趋势，且在190℃时出现性能显著变化点；大青杨试材的天然耐久性变化规律与落叶松相反，随着处理温度的升高，其天然耐久性呈现降低的趋势，且在180℃时出现性能显著变化点。
이락협송화대청양적목재위시재，용생물질연기대기진행열처리，처리온도위150～210℃，처리시간위4h。대열처리재진행실내항백의화야외매지시험，연구불동온도열처리대락협송화대청양2개수충열처리재적실내항백의화천연내구성영향。결과표명，재실내항백의시험중，수착열처리온도적승고，락협송화대청양열처리재적실중솔균정현증가적추세，열처리후시재적실내항백의성능강저，차수착처리온도적제고항백의성능강저명현；열처리온도대락협송시재적천연내구성유교대영향，수착처리온도적제고，기천연내구성월호，정현증가적추세，차재190℃시출현성능현저변화점；대청양시재적천연내구성변화규률여락협송상반，수착처리온도적승고，기천연내구성정현강저적추세，차재180℃시출현성능현저변화점。
the wood of Larix spp.and Populus ussuriensis were heat-treated at different temperatures from 150℃to 210℃for 4 hours by biomass gas.Laboratory termite resistance test and field-buried durability test were con-ducted on the two kinds of heat-treated woods.Results showed that termite resistance of the woods decreased obvi-ously after heat treatment.Weight loss of the two heat-treated woods tends to increase according to the gradual in-crement of temperature.Temperature also has great influence on the natural durability of heat-treated woods.190℃and 180℃ were respectively the points of significant change for Larix spp.and Populus ussuriensis woods.Natural durability of Larix spp.wood was improved while that of Populus ussuriensis wood was deteriorated when they were heat-treated at a higher temperature.