既有三轴剪力仪的自动化改造及应用  

Reformation for automation of existed triaxial apparatus and its application

作　　者：叶冠林[1] 武朝军[1] 盛佳韧[1] 谈炎培[1] 王建华[1] 

机构地区：[1]上海交通大学船舶海洋与建筑工程学院,上海200240

出　　处：《岩土力学》2011年第8期2295-2299,共5页Rock and Soil Mechanics

基　　金：上海市科学技术委员会的资助(No.08PJ1406600);深部岩土力学与地下工程国家重点实验室开放基金资助(No.SKLGDUE08008B);上海市重点学科建设项目(No.B208)

摘　　要：为了开发新的上海软土本构模型,需要对既有的旧型三轴仪进行自动化改造,为获得大量试验数据提供物质基础。在分析既有设备的系统构造后,根据三轴仪的基本原理,对围压及反压加压路径进行全面改造,提高了可靠性并简化了操作流程;同时实现了位移测量和体积变化测量的自动化。最后进行了上海黏土试验以验证设备的可靠性。改造工作将原有闲置仪器进行充分再利用,改善了科研条件。介绍的方法可直接或者稍加改动后用于其他类似三轴仪的改造。For the purpose of developing a new constitutive model, a lot of testing data are required. Consequently it is necessary to reform the old type triaxial apparatus to an automated one. After analyzing the old apparatus system, based on the principle of triaxial testing method, reformations are conducted on the controlling equipments for confining pressure and back pressure. Consequently, the reliability is improved and the operation is simplified. The automation of displacement and volume change measurements are carried out. Finally, the reliability is verified by a series of tests for Shanghai clay. The reformation works reuse the out-of-date apparatus and improve the research condition. The reformation method can be used for similar apparatus.

关 键 词：三轴仪 自动化改造 上海软土 

分 类 号：TU415[建筑科学—岩土工程]