某建筑物的地基设计等级为乙级，独立柱基的尺寸及桩的布置见下图。荷载效应的基本组合为：由上部结构传至基础顶面的竖向荷载设计值Fk=8000kN，力矩设计值Mk=1200kN·m；基础采用泥浆护壁钻孔灌注桩，桩径d=600mm，承台埋置深度3m，各土层的桩基础设计参数见下表。
在验算桩身混凝土强度时，下列（）不符合《建筑桩基技术规范》（JGJ94-2008）的规定。
A.预制桩的工作条件系数取0.85
B.灌注桩的工作条件系数取0.7～0.8
C.取结构重要性系数1.0
D.取安全系数1.0
参考答案：D
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| Tommy hated school and was always 1 excuses not to go. If he felt a little tired, he asked his mother to 2 him to the doctor 3 school hours. He 4 more time at home than he did at school. One day he came home from school in the middle of the morning. His father 5 . "You're home early, "he said. "Is the school 6 today? " "No, Dad, "Tommy said. "It's open. I came home early. " " 7 did you do that? "his father asked him. "What did you say to the teacher? " "I told her that I had a new baby brother and that I had to come home and help you. " "But your mother 8 twins, "his father said, "a boy and a girl. You've got a baby brother and a baby sister. " "Yes, I know, Dad, "Tommy said. "I'm 9 up my baby sister 10 next week. " | ||||
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