类砖混生土结构及其砌体抗压强度理论研究  

Theoretical Study of Brick Mixed Raw Soil Structure and Its Masonry Compression Strength

作　　者：吴永诚[1] 王朝晖[1] 曾佑东 孟祥武[1,2] 

机构地区：[1]兰州理工大学设计艺术学院,甘肃兰州730050 [2]西安建筑科技大学建筑学院,陕西西安710055

出　　处：《甘肃科学学报》2016年第4期66-71,共6页Journal of Gansu Sciences

基　　金：国家自然科学基金项目(51568038)

摘　　要：对生土结构概念和生土砖砌体受力分析进行研究,提出类砖混生土结构的基本概念和设计内容及其生土砖砌体的组成,建议生土砖砌体中砖浆的抗压强度等级。研究生土砖砌体抗压强度的理论计算,对砖砌体破坏理论包络线的H.K.Hilsdorf斜线公式进行分析,推导出砖砌体破坏理论包络线的二次曲线公式。二次曲线类似于双曲线形状,其计算值较理论包络线的斜线公式计算值更接近砖砌体破坏时的实际值。经理论计算和比较,生土砖砌体的整体受力表现明显高于烧结砖砌体的受力表现。This paper makes study on the raw-soil structure conception and raw-soil brick masonry force analysis.It proposes the basic concept and design content of brick mixed raw soil structure and the composition of its raw soil brick masonry,suggesting the compressive strength level of brick thick liquid in the raw soil brick masonry.And then it studies the theoretical calculations of compressive strength level of raw soil,making analysis of envelope curve＇s H.K.Hilsdorf bias formula of brick masonry failure theory,and then it deduces the quadric curve formula of brick masonry failure theory.Quadric curve is similar to the shape of hyperbolic curve,and its calculation value is closer to the actual value of brick masonry failure when compared to that of envelope curve＇s bias formula.Through theoretical calculation and comparison,the global stress of raw soil brick masonry is significantly higher than sintering brick masonry.

关 键 词：类砖混生土结构 砌体强度 理论计算 二次曲线 

分 类 号：TU375.4[建筑科学—结构工程]