内置芯柱保温夹层组合砖砌体受压性能试验研究
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摘要
提出了内置芯柱保温夹层组合砖砌体,为研究其抗压性能,进行了4组不同材料和不同构造措施的保温夹层砖砌体受压性能试验研究。第一组为粘土砖试件,第二组为再生混凝土砖试件,第三组为粘土砖夹砌粉煤灰砌块试件,第四组为再生混凝土砖夹砌粉煤灰砌块试件;每组4个试件,分别为普通砌体、内置方木芯柱砌体、内置方钢管混凝土芯柱砌体、内置圆钢管混凝土芯柱砌体;共计16个试件。基于试验,研究了不同构造作法对保温夹层砖砌体受压性能的影响,对比分析了各试件的承载力、损伤破坏特征和受压变形过程,给出了内置芯柱保温夹层砖砌体受压承载力计算公式。研究表明,内置芯柱保温夹层砖砌体与普通砌体相比,受压承载力和延性均明显提高。
A brick masonry structure with thermal-insulation sandwich and built-in core columns is put forward in this paper. In order to study the compression behavior,the experiments on four different brick masonry groups of thermal-insulation sandwich with different materials and construction measures were conducted. These groups include common clay brick,regeneration concrete brick,common clay brick with fly ash block and regeneration concrete brick with fly ash block. In each group,there are four specimens,which include common masonry,built-in square timber( bearing parallel to grain) masonry,built-in square concrete filled steel tube masonry,and built-in circular concrete filled steel tube masonry. A total of sixteen specimens were designed and tested. Based on the experiments,the influence of the construction measures on the compression bearing capacity of brick masonry with thermal-insulation sandwich were researched. The bearing capacity,damage characteristics and compressive deformation process were analyzed. In addition,the calculation formula of compression bearing capacity was put forward. The researches indicate that brick masonry structure with thermal-insulation sandwich and core columns inside has better compression behavior and ductility,compared with ordinary masonry structure.
A brick masonry structure with thermal-insulation sandwich and built-in core columns is put forward in this paper. In order to study the compression behavior,the experiments on four different brick masonry groups of thermal-insulation sandwich with different materials and construction measures were conducted. These groups include common clay brick,regeneration concrete brick,common clay brick with fly ash block and regeneration concrete brick with fly ash block. In each group,there are four specimens,which include common masonry,built-in square timber( bearing parallel to grain) masonry,built-in square concrete filled steel tube masonry,and built-in circular concrete filled steel tube masonry. A total of sixteen specimens were designed and tested. Based on the experiments,the influence of the construction measures on the compression bearing capacity of brick masonry with thermal-insulation sandwich were researched. The bearing capacity,damage characteristics and compressive deformation process were analyzed. In addition,the calculation formula of compression bearing capacity was put forward. The researches indicate that brick masonry structure with thermal-insulation sandwich and core columns inside has better compression behavior and ductility,compared with ordinary masonry structure.
引文
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[11]田春艳,王宗纲,聂建国.多层混凝土小型空心砌块与煤矸石页岩多孔砖组合砌体模型楼动力性能实测与分析[J].地震工程与工程振动,2003,23(4):105-110.TIAN Chunyan,WANG Zonggang,NIE Jianguo.Vibration test and analysis of amulti-storey small-sizd concrete hollow block and shale-coal gangue porous brick mixed masonry structure[J].Earthquake Engineering and Engineering Vibration,2003,23(4):105-110.(in Chinese)
[12]刘晶波,牛惠敏,程瑜,等.大空间砖-混凝土组合砌体结构地震反应初步研究[J].地震工程与工程振动,2001,21(4):67-72.LIU Jingbo,NIU Huimin,CHENG Yu,et al.Perliminary study on seismic responses of large-span brick and concrete mixed structures[J].Earthquake Engineering and Engineering Vibration,2001,21(4):67-72.(in Chinese)
[13]崔熙光,马晓寒,陈振涛.混凝土多孔砖和组合配筋砖小截面墙体抗震性能的试验研究[J].世界地震工程,2008,24(1):116-121.CUI Xiguang,MA Xiaohan,CHEN Zhentao.Test studies on seismic behavior of perfor ated concrete bricks and small section masnry reiforcing walls[J].World Earthquake Engineering,2008,24(1):116-121.(in Chinese)
[14]熊立红,张敏政.设置芯柱-构造柱混凝土砌块墙体抗震剪切承载力计算[J].地震工程与工程振动,2004,24(2):82-87.Evaluation of seismic shear strength of concrete-block wall swith core columns/constructional columns.[J].Earthquake Engineering and Engineering Vibration,2004,24(2):82-87.(in Chinese)
[2]彭程,叶燕华,赵晓敏,等.新型自保温混凝土砌块砌体弹性模量的试验研究[J].新型建筑材料,2012(9):45-48.PENG Cheng,YE Yanhua,ZHAO Xiaomin,et al.Experimental research on elastic modulus og new composite thermal insulation concrete block masonry.New Building Materials,2012(9):45-48.(in Chinese)
[3]徐春一,刘明,张延年.蒸压粉煤灰实心砖砌体偏心受压承载力试验研究[J].建筑结构,2010,40(1):82-85.XU Chunyi,LIU Ming,ZHANG Yannian.Experimental study on the capacity for autoclaved fly ash solid brick masonry subjected to eccentric load[J].Building Structure,2010,40(1):82-85.(in Chinese)
[4]吕伟荣,施楚贤,刘桂秋,等.灌孔混凝土砌块砌体受压性能研究[J].湖南大学学报:自然科学版,2007,34(10):15-19.LV Weirong,SHI Chuxian,LIU Guiqiu,et al.Study on Compressive Proper ties of Grouted Concrete Masonry[J].Journal of Hunan University:Natural Sciences,2007,34(10):15-19.(in Chinese)
[5]刘立新,胡新安,谢丽丽,等.再生混凝土多孔砖砌体抗压强度试验研究[J].郑州大学学报:工学版,2007,28(3):9-11,43.
[6]曹万林,王卿,周中一,等.再生混凝土砖砌体抗压性能试验研究[J].世界地震工程,2011,9(3):17-22.CAO Wanlin,WANG Qing,ZHOU Zhongyi,et al.Experimental Study on compression performance ofrecycled concrete blocks masonry[J].World Earthquake Engineering,2011,9(3):17-22.(in Chinese)
[7]张顺轲.暗骨架节能砌块砌体受压承载性能研究[D].山东:山东农业大学,2013.ZHANG Shunke.Study on the bearing capacity of the inner skeleton-thermal insulation block compposite masonry[D].Shandong:Shandong Agricultural University,2013.(in Chinese)
[8]陈行之.组合砌体受压构件的承载能力(英文)[J].湖南大学学报,1984,11(2):1-10.CHEN Xingzhi.The load bearing capacity of compressive members of composite masonry[J].Journal of Hunan University,1984,11(2):1-10.(in Chinese)
[9]周新刚,吴江龙,曹平周.普通及组合砖砌体的应力-应变全曲线的试验研究[J].山东建筑工程学院学报,1994,9(2):29-34.
[10]魏书华.钢筋混凝土—砖组合砌体结构在抗震设防中的应用[J].华北地震科学,2006,24(3):44-46.
[11]田春艳,王宗纲,聂建国.多层混凝土小型空心砌块与煤矸石页岩多孔砖组合砌体模型楼动力性能实测与分析[J].地震工程与工程振动,2003,23(4):105-110.TIAN Chunyan,WANG Zonggang,NIE Jianguo.Vibration test and analysis of amulti-storey small-sizd concrete hollow block and shale-coal gangue porous brick mixed masonry structure[J].Earthquake Engineering and Engineering Vibration,2003,23(4):105-110.(in Chinese)
[12]刘晶波,牛惠敏,程瑜,等.大空间砖-混凝土组合砌体结构地震反应初步研究[J].地震工程与工程振动,2001,21(4):67-72.LIU Jingbo,NIU Huimin,CHENG Yu,et al.Perliminary study on seismic responses of large-span brick and concrete mixed structures[J].Earthquake Engineering and Engineering Vibration,2001,21(4):67-72.(in Chinese)
[13]崔熙光,马晓寒,陈振涛.混凝土多孔砖和组合配筋砖小截面墙体抗震性能的试验研究[J].世界地震工程,2008,24(1):116-121.CUI Xiguang,MA Xiaohan,CHEN Zhentao.Test studies on seismic behavior of perfor ated concrete bricks and small section masnry reiforcing walls[J].World Earthquake Engineering,2008,24(1):116-121.(in Chinese)
[14]熊立红,张敏政.设置芯柱-构造柱混凝土砌块墙体抗震剪切承载力计算[J].地震工程与工程振动,2004,24(2):82-87.Evaluation of seismic shear strength of concrete-block wall swith core columns/constructional columns.[J].Earthquake Engineering and Engineering Vibration,2004,24(2):82-87.(in Chinese)
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