夹心秸秆混凝土砌块试点建筑墙体保温性能试验研究.pdfVIP

学兔兔 中国科技核心期刊 新癯建巍粉 夹心秸秆混凝士砌块试点建筑 墙体保温性能试验研究 王宏斌，范军，刘福胜，张琳，张顺轲 (山东农业大学水利土木工程学院，山东 泰安 271018) ， 摘要：对夹心秸秆混凝土砌块试点建筑墙体进行了保温性能试验。试验测得夹心秸秆混凝土砌块墙体处夹心秸秆混凝土砌块 传热系数为1．o4 w，(mz·K)，钢筋混凝土芯柱位置传热系数为1．96 w，(m ·K)；作为对照混凝土空心砌块墙体处混凝土空心砌块传 热系数为1．4(】W／(ms·K)，钢筋混凝土芯柱位置传热系数为1．82w，(m ·K)。实验结果与前期实验室试验结果吻合较好。钢筋混凝土 芯柱部位为保温隔热薄弱区，需采取加强保温的措施。 关键词：夹心秸秆混凝土砌块：混凝土空心砌块：保温性能；试验研究 中图分类号：TU522．3；TU1l1．2 文献标识码：A 文章编号：1001—702X(2013)01-0052—03 Experimental study on thermal insulation performance of concrete block filled with stalk for a test building ‘ ’ WANG Hongbin，FAN Jun，LIU Fusheng，ZHANG Lin，ZHANG Shunke (College 6f Water Conservancy and Civil Engineering，Shandong Agricultural University，Taian 271018，Shandong，China) Abstract：In this p印er，therrnal insulati0n perfo ce。f c0ncrele block钏ed with sthlk wA1 was tested．A1s。c0ncrete ho1一 low block wall and wall with reinforced concrete core column were tested．The experimental results indicated，that the thermal in— sulati0n coefficient 0f the concrete block fiued with stalk wall was 1．04 W／(ms．K)，while the wall reinforced c0ncrete with c0re column was 1．96 W／(m2·K)．Moreover the thermal insulation coefficient of concrete hollow block of concrete hollow’block wall was 1．40 W／(m2·K)，while the wall with core column was 1．82 W／(m ·K)．The site experimental results coincide with former laboratory results．The position of core column has weak thermal insulation perform ance．Appropriate measures should be taken to increase thermal insulation performance．