问题 判断题 案例分析题

【背景资料】某多层现浇钢筋混凝土框架结构主体施工。混凝土设计强度等级C35.梁板C25。施工中出现以下情形:

情形1:现场一次进了65t.直径25mm的HRB335钢筋(同炉批).发现其出厂检验报告是复印件,在现场监理的见证下,钢筋工取了一组试件送样检测。拿到钢筋检测合格报告后,现场即进行正常的钢筋加工和焊接。

情形2:现场采用商品混凝土,汽车泵浇筑.每层分二个施工段流水作业。每层柱和梁板仅分别留设一组同条件养护混凝土试块,楼面混凝土浇筑均采用C25。另外,某楼层施工段梁板混凝土浇筑中,由于机械故障使得混凝土浇筑中断2.5h(当时气温为30℃).故障排除后继续浇筑,未有任何处理。

情形3:混凝土柱拆模后,发现柱根有局部小蜂窝,混凝土工自行用水泥砂浆涂抹。

请根据背景资抖完成以下选项。

钢筋原材检验合格,即可进行钢筋的焊接作业。

答案

参考答案:

听力题

根据所给的首字母填写单词。

There are some very good things about open education. This way of teaching a  l the students to develop their interests in many subjects. Open education asks students to be responsible(负责任)for their own education. The open classroom may help them to e  2 learning. Some students will be h  3 in an open education school. They will not have to worry a  4  grades rules.

But many students may not d   5  well in an open classroom. For some students, if there are too f   6  rules, they will do little in school. They will not make good use of open education. Because open education is s  7   different from traditional education, these students may have a problem of getting used to making so many c  8 .For many students it is important to have some rules in the classroom. A few rules will help them. The last point about open education is that some traditional teachers do not like it. Many teachers do not believe in open education.

You now know what open education is. Some of its good points and bad points have been explained. You may have your own opinion about open education. The writer thinks that open education is only a good idea. It may not work very well in r  9  class or school. The writer believes that most students, but of course not all students, want and need to have some rules. They must be m  10 to study some subjects. Many students are pleased to find subjects that they have to study interesting. They would not study those subjects if they did not have to.

单项选择题