【简答题】Translate Paragraph 4 Mendeleev left a number of gaps in his table. Instead of looking upon those blank spaces as defects, he boldly predicted the existence of elements as yet undiscovered. Furthermor...
【简答题】背景材料:
某桥主跨为40×50m预应力混凝土简支T梁桥,主墩基础为直径2.0m的钻孔灌注桩,桥址处地质为软岩层,设计深度为20m,采用回转钻进施工法钻孔。根据有关检验标准,施工单位制定了钻孔灌注桩的主要检验内容和实测项目如下:(1)终孔和清孔后的孔位、孔形、孔径、倾斜度、泥浆相对密度;(2)钻孔灌注桩的混凝土配合比;(3)凿除桩头混凝土后钢筋保护层厚度;(4)需嵌入柱身的锚固钢筋长度。
(1...
【判断题】铰刀是在原底孔上加工,因此无法提高孔轴线的位置精度和直线度
【简答题】“钻孔灌注桩”案例分析与答案解析 背景材料: 某桥主跨为4050m预应力混凝土简支T梁桥,主墩基础为直径2.0m的钻孔灌注桩,桥址处地质为软岩层,设计深度为20m,采用回转钻进施工法钻孔.施工单位制定了钻孔灌注桩的主要检验内容和实测项目如下: 1).终孔和清孔后的孔位、孔形、孔径、倾斜度、泥浆相对密度; 2).钻孔灌注桩的混凝土配合比; 3).凿除桩头混凝土后钢筋保护层厚度; 4).需嵌入柱身的锚...
【判断题】铰刀是在原底孔上加工,因此无法提高孔轴线的位置精度和直线度
【单选题】The gaps _____ even between men and women who are similar in age, race, education and income.
【单选题】And sometimes, in order to make your paper most convincing and credible, you may even include some negative aspects, the gaps in your work and the limitations of your findings.