玻化微珠-小麦秸秆复合保温砂浆配合比的正交试验研究.pdfVIP

学兔兔 2013年第 1O期(总第 288期 ) 混 凝 土 预 拌 砂 浆 Number 10 in 2013(Tota1 No．288) Concrete READY M IXED MoRTAR 玻化微珠一小麦秸秆复合保温砂浆配合比的 正交试验研究 张 琳，刘福胜，任淑霞，宋计勇。林 聪 (山东农业大学 水利土木工程学院，山东 泰安 271018) 摘 要：通过正交试验，研究了玻化微珠、小麦秸秆、粉煤灰和砂对保温砂浆物理、力学性能以及保温性能的影响。用碱处理的 小麦秸秆按比例替代玻化微珠组成复合骨料制备保温砂浆，降低砂浆干密度，提高保温性能。掺加粉煤灰不但可以降低砂浆干密 度，还可有效降低成本。保温砂浆中适当比例的砂不仅可以提高强度，而且能有效改善骨料颗粒级配，降低成本。 关键词：玻化微珠；小麦秸秆；保温砂浆；正交试验 中图分类号：TU528．062 文献标志码： A 文章编号： 1002—3550(2013)10—0139—03 Orthogonal test research of glazed hollow beads—wheat straw insulation mortar ZHANGLin，LIUFusheng，RENShuxia，SONGJiyong，LINCong (College ofWaterConservancyandCivilEngineering，ShandongAgriculturalUniversity，Tai’an271018，China) Abstract： The influence ofglazed hollow beads，wheat straw wheat straw，nv ash and sand on the mechanica1 properties and thermalin— sulation performance of the thermalinsulation mortar were studied．Thermal insulation mortar that with part of wheat straw treated alkali solution has lower dry density and good heat preservation performance．It could not only reduce the mortar dry density，but also could effec— tively reduce the cost that adding fly ash in the thermal insulation mortar．The right proportion of sand in the thermal insulation mortar could not only improve the strength，but also could effectively improve the aggregate grading and reduce the cost，too． Key words： glazed hollow beads；wheat straw；thermal insulation mortar；orthogonal test 拌合物的和易性[ ；砂在保温砂浆中改善骨料颗粒级配，降 0 引言 低成本，提高强度。 我国建筑能耗约占全部能耗的1／3以上，建筑节能已