无机物污染环境下水泥土搅拌墙抗压强度检测分析研究
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摘要
为了提高无机物污染环境下,对水泥土搅拌墙抗压强度检测的准确度,提出分布式墙体抗压强度检测方法。设计针对搅拌墙压力检测装置的底部受力情况,进行有限元分析,遵照CONMISES屈服准则,改进底部尺寸并以液压千斤顶替换手摇型千斤顶,根据检测参数,将墙体拆分成砖体和砂浆两部分,引入无机物污染环境因素量,明确砖体、砂浆上升段和下降段本构关系,基于本构关系公式,计算二者弹性模量,分别提出抗压强度公式,完成抗压强度值计算,实现无机物污染环境下,水泥土搅拌墙抗压强度检测。
In order to improve the inorganic pollution environment, the compressive strength of cement-soil mixing wall detection accuracy, distributed wall compressive strength detection method is proposed. Traditional stress load under the wall at the bottom of the compressive strength test device, the design, according to the stress distribution at the bottom of the finite element analysis, in accordance with CONMISES yield criterion, improving the bottom size and jack to replace hydraulic jack hand type, according to the test parameters, the wall split into two parts, the brick and mortar into inorganic pollution environmental factors, clear the brick and mortar rising and falling period of constitutive relation, based on the constitutive relation formula of calculating the elastic modulus, respectively, puts forward comprehensive formula of compressive strength to complete the highest compressive strength value calculation, the realization of inorganic pollution environment, The cement-soil mixing wall compressive strength test.
In order to improve the inorganic pollution environment, the compressive strength of cement-soil mixing wall detection accuracy, distributed wall compressive strength detection method is proposed. Traditional stress load under the wall at the bottom of the compressive strength test device, the design, according to the stress distribution at the bottom of the finite element analysis, in accordance with CONMISES yield criterion, improving the bottom size and jack to replace hydraulic jack hand type, according to the test parameters, the wall split into two parts, the brick and mortar into inorganic pollution environmental factors, clear the brick and mortar rising and falling period of constitutive relation, based on the constitutive relation formula of calculating the elastic modulus, respectively, puts forward comprehensive formula of compressive strength to complete the highest compressive strength value calculation, the realization of inorganic pollution environment, The cement-soil mixing wall compressive strength test.
引文
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[3]成雷.水泥土搅拌桩截渗墙在明渠工程中的应用[J].东北水利水电,2016,34(8):19-21.
[4]蒋燕.水泥土搅拌桩重力式支护墙及事故处理分析[J].中国市政工程,2017,5(3):115-118.
[5]陈勇.基坑围护工程中水泥土搅拌桩施工监理控制要点分析[J].福建建材,2017,7(11):103-104.
[6]彭涛,曹智国,章定文.不均质体对水泥土强度特性的影响规律试验研究[J].南京工程学院学报(自然科学版),2016,14(4):28-32.
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[9]胡秀青,董全杨,吕程伟,等.水泥土搅拌桩软土地基土体动力特性的共振柱试验研究[J].岩土力学,2016,4(2):343-348.
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