问题 问答题 论述题

论述预制梁厚度材料和配件检验项目?

答案

参考答案:

水泥检验的项目为:细度、凝结时间、安定性、抗压强度、烧失量含量、氧化镁含量、三氧化硫含量、碱含量、混合材料及掺量。

细集料检验项目为:细度模数、含泥量、云母含量、有机物含量、坚固性、硫化物及硫酸盐含量、氯化物含量、碱活性。

粗集料检验项目:颗粒级配、压碎指标、制片状颗粒含量、含泥量、泥块含量、母岩抗压强度、坚固性、硫化物及硫酸盐含量、氯化物含量、碱活性。

混凝土外加剂:减水率、泌水率比、含气量、凝结时检查、抗压强度笔、收缩率比、相对耐久性能指标、对钢筋锈蚀作用、碱含量、氯离子含量。

热轧钢筋及热轧光圆钢筋:抗拉强度、屈服强度、伸长量、冷弯。

钢绞线:屈服强度

猫具:外观、锚固效率、极限拉力总应变、锚口蘑摩阻、喇叭口摩力阻力。

阅读理解

When you’re feeling unhappy or forget how great you are, the following ways can make you feel good about yourself.    1. Look in the mirror(镜子) and say to yourself, “I’m special and there’s no one in the world like me. I can do anything!” It may not sound so good, but it really works!    2. Do something nice for someone. Helping others always makes you feel good.    3. Smile! Be friendly to people you meet. Try to find the good things in your life.    4.Learn something new! Do you always want to make your own room more beautiful or learn how to swim? Go for it! New jobs are fun and can make you feel proud when you finish them.    5. Stay with your family. We all need our family time. Talk with your parents or maybe even your cousin.

小题1:This passage gives            ways to make us feel good about ourselves.    

A. three              B. four                     C. five        

小题2:We may make you feel proud when we             .

A. look in the mirror   B. learn new jobs            C. are friendly to people

小题3:From the passage, we can know staying with our         is one way to feel happy.

A. parents            B. friends                   C. family        

小题4:This passage tells us how to              .

A. be happy           B. remember something       C. learn something new 

小题5:According to the suggestions, which of the following is NOT mentioned(提到) ?

A. We can smile to show“How friendly you are!” to people we meet. 

B. Failing is the mother of making the dream come true.    

C. It can make us feel happy to help others.    

单项选择题