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半解析法求水平承载桩的反应特性 被引量:6
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作者 阎树旺 S.nordal 《岩土工程学报》 EI CAS CSCD 北大核心 1989年第4期1-8,共8页
研究水平承载桩反应特性的传统方法,如k法、c法及m法等,都是基于对土反力与桩水平位移关系随深度按某种规律变化的假设。本文在分析实测资料的基础上,得出了一个可精确描述水平承载桩弯矩的数学表达式;并以弹性梁理论为基础。进一步得... 研究水平承载桩反应特性的传统方法,如k法、c法及m法等,都是基于对土反力与桩水平位移关系随深度按某种规律变化的假设。本文在分析实测资料的基础上,得出了一个可精确描述水平承载桩弯矩的数学表达式;并以弹性梁理论为基础。进一步得出了剪力、土反力以及桩水平位移的计算公式。由本文方法反算的p-y曲线与API规范推荐方法结果吻合很好。本文给出了说明如何用之于设计的例题,并与以Janbu的构造p-y曲线的方法为基础的有限单元法分析结果进行了比较。 展开更多
关键词 水平承载桩 半解析法 弹性梁 反应特性
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用UVB-TL01治疗慢性手部皮肤病
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作者 nordal E.J. Christensen O.B. +1 位作者 罗素菊 冯义国 《世界核心医学期刊文摘(皮肤病学分册)》 2005年第1期57-58,共2页
UVB-TL01 is proven to be efficient in whole body treatment for several chronic inflammatory dermatoses. Chronic hand dermatoses of different and often mixed genesis represent a great problem in clinical practice. We h... UVB-TL01 is proven to be efficient in whole body treatment for several chronic inflammatory dermatoses. Chronic hand dermatoses of different and often mixed genesis represent a great problem in clinical practice. We have performed a prospective, open study with patients suffering from psoriasis, eczema or pustulosis of the hands treated with hand UVB-TL01. Thirty patients (23 women and 7 men) were included, mean age 43 years (range 25-68 years). The psoriatics were the best responders, as 9 of 11 were improved or much improved after 20-38 treatments, compared to 11 of 16 patients with eczema (11-31 treatments). One of three patients with palmar pustulosis experienced improvement after 23-27 treatments. UVB-TL01 seems to be helpful in the majority of patients with chronic inflammatory diseases of the hands. More extensive studies with regard to proper dosing and length of treatment period ought to be carried out. 展开更多
关键词 手部皮肤 UVB-TL01 感染性皮肤病 湿疹患者 银屑病 掌部 临床实践 波长范围 次后
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