Geotechnical Engineering Field Laboratory

岩土工程现场实验室

• 批准号: 9051295
• 负责人: Jeffrey Evans
• 金额: $ 2.7万
• 依托单位: Bucknell University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1990
• 资助国家: 美国
• 起止时间: 1990-04-15 至 1993-03-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9051295&HistoricalAwards=false
• 关键词: Geotechnical; Engineering; Field; Laboratory

This project enhances the education of students in the critical area of geotechnical engineering by their participation in field laboratory exercises. This improves the present practice of classroom lectures coupled with only traditional laboratory exercises. Without field sampling and testing experiments, the student is left with only "textbook" knowledge of field aspects of geotechnical engineering. The equipment purchased in support of this project makes it possible for students to obtain soil samples from the subsurface using a distributed sampling technique (the Split Barrel Sampler and an undistributed one (the Shelby Tube). Rock samples are obtained using a rock recovery core barrel. The students conduct property tests on these samples in the geotechnical laboratory. In addition to soil and rock sampling, the project enables student to measure the in situ strength, compressibility and permeability of soils using state-of-the-practice in situ testing techniques. These techniques include the standard penetration test, the core penetration test with pore pressure measurements (the piezo- cone), the flat-plate (Marchetti) dilatometer, and the vane shear device. Finally, the students acquire and analyze geotechnical data using a field computer with data acquisition capability. The award is being matched with a greater amount by the principal investigator's institution.

该项目加强了对关键领域学生的教育 岩土工程的参与领域 实验室练习。 这改善了目前的做法， 课堂授课加上传统的实验室 演习 如果不进行现场取样和测试实验， 学生只剩下“教科书”知识领域方面， 岩土工程为此购买的设备 项目使学生有可能获得土壤样本， 地下使用分布式采样技术（分裂 桶式取样器和一个未分配的取样器（谢尔比管）。 岩石 使用岩石回收岩心筒获得样品。 学生 在岩土工程中对这些样品进行性能测试 实验室 除了土壤和岩石取样外， 使学生能够测量现场强度，压缩性和 采用现场试验的土壤渗透性 技术. 这些技术包括标准贯入试验， 具有孔隙压力测量的岩心渗透试验（压电- 圆锥）、平板（Marchetti）流量计和叶片剪切仪 设备. 最后，学生将获得并分析岩土工程数据 使用具有数据采集能力的现场计算机。该奖项 被委托人以更大的金额匹配 调查机构。