CAJ | 학술논문

对废旧刨花、废旧纤维、新鲜刨花三者的水泥水化特性进行了试验和分析.结果表明,预处理可明显改善木质材料与水泥亲和性,从阻凝系数和水化时间看,其作用效果依次为1%NaOH、热水、冷水;材料特性对水泥水化特性有影响,从阻凝系数和水化时间看,新鲜刨花对水泥-木质材料混合物的阻凝系数最小,到达最高水化温度时间最短,其次是废旧纤维,废旧刨花最后;经过预处理的木质材料,其水泥水化适合系数都大于68%,都适合半干法生产水泥复合板.
대폐구포화、폐구섬유、신선포화삼자적수니수화특성진행료시험화분석.결과표명,예처리가명현개선목질재료여수니친화성,종조응계수화수화시간간,기작용효과의차위1%NaOH、열수、랭수;재료특성대수니수화특성유영향,종조응계수화수화시간간,신선포화대수니-목질재료혼합물적조응계수최소,도체최고수화온도시간최단,기차시폐구섬유,폐구포화최후;경과예처리적목질재료,기수니수화괄합계수도대우68%,도괄합반간법생산수니복합판.
Cement hydration characteristics of wasted particles, waste fibers and fresh particles were studied. The results showed that the pretreatment could largely improve the compatibility of wood materials and cement, with the order of effectiveness of 1% NaOH>hot water>cold water, judged by the resistance coefficients and the hydration time;cement hydration was effected by material properties, and from the resistance coefficient and the hydration time, the fresh particle exhibited smallest resistance coefficient, and shortest time to reach the maximum hydration temperature time , waste fiber ranked the second , followed by waste particle board;the cement hydration coefficients of the materials treated by three different methods were over 68%, suitable for the production of semi-dry cement composite boards.