按《建筑桩基技术规范》(JGJ 94—94)计算钢管桩单桩竖向极限承载力标准值Quk时，请判断下列哪些分析结果是正确的( )。
A．在计算钢管桩桩周总极限侧阻力Qsk时，不可采用与混凝土预制桩相同的qsik值
B．敞口钢管桩侧阻挤土效应系数λs总是与闭口钢管桩侧阻挤土效应系数λs相同
C．在计算钢管桩桩端总极限端阻力Qpk时，可采用与混凝土预制桩相同的qpk值
D．敞口桩桩端闭塞效应系数λp与隔板条件、钢管桩外径尺寸及桩端进入持力层深度等因素有关
参考答案：C,D
解析： 据《建筑桩基技术规范》(JGJ 94—94)第5.2.10条。
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| Helen Keller was a very bright, beautiful girl. 1 the age of six months she could already say 2 words. But before she was two years old, she was badly ill. She could not see or hear, and soon she could not even talk. Since then Helen had to fight for _ 3 she wanted. When she was six, her parents invited a teacher for her. 4 _ the help of the teacher, she 5 to see and hear the world around her through her 6 .She learned to 7 the books for the blind. The teacher took Helen for long walks, and 8 her about all the beautiful sights. Helen 9 flowers, climbed the trees and smelled a rainstorm before _10 came. She also learned how to swim and _11_ a horse. After she _12 ,she became a famous writer in America. Her first and most famous _13 is The Story of My Life. Her story has _14 new hope to many blind and deaf people. It has given light to 15 in darkness and encouraged them to live and work. | |||
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