力 学 实 验 报 告 标 准 答 案 长安大学力学实验教学中心 1 目 录 一、 拉伸实验········································2 二、 压缩实验········································4 三、 拉压弹性模量 E测定实验··························6 四、 低碳钢剪切弹性模量 G测定实验····················8 五、 扭转破坏实验 ··································10 六、 纯弯曲梁正应力实验 ·····························12 七、 弯扭组合变形时的主应力测定实验 ·················15 八、 压杆稳定实验 ·······························