锚杆作为张拉索膜结构抗拔基础的设计问题
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摘要
锚杆的承载力是设计中应该注意的问题 ,根据以往研究文献和作者的张拉索膜结构与锚固基础共同作用有限元分析结果 ,着重对锚杆在张拉索膜结构中应用的几个特殊问题进行了分析 ,内容包括锚杆的蠕变、锚杆的位移与刚度、锚杆承受反复循环荷载的工作性能。提出了张拉索膜结构锚固基础中锚杆的设计方法与建议 ,讨论了锚杆设计安全系数 ,并与其他类型锚固基础的安全系数作了对比。
This paper introduces the key problems in the calculations of uplift capacity of grouted anchors.And based on FEM analyses of interactions between the anchor foundation of tensile cable membrane structure and past research,this paper focuses on special problems of ground anchors as tension foundations of tensile cable membrane structure.Safety factors and application conditions of ground anchors are discussed.
This paper introduces the key problems in the calculations of uplift capacity of grouted anchors.And based on FEM analyses of interactions between the anchor foundation of tensile cable membrane structure and past research,this paper focuses on special problems of ground anchors as tension foundations of tensile cable membrane structure.Safety factors and application conditions of ground anchors are discussed.
引文
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11丁佩民.张拉索膜结构与锚固基础相关问题研究.博士学位论文,同济大学,2002.
12CharlieWA ,TurnerJP ,KulhawyFH .Reviewofrepeatedaxialloadtestsondeepfoundations.In:Proc.SessiononDrilledPilesandCaissons,Ⅱ,Vol.2,ASCE ,NewYork,1985:129150.
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14张其林.索与膜结构.同济大学出版社,2002.
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16王文霞.某剧场观众厅屋盖的锚杆设计.中外建筑,2000,(1)
2朱焕春,吴海滨,赵海斌.反复张拉荷载作用下锚杆工作机理试验研究.岩土工程学报,1999,21(6).
3OstermayerH ,SheeleF .Researchongroundanchorsunnoncohe sivesoils.In:Proc.of9thInt.Conf.OnSoilMech.andFound.En gineering,Tokyo,1977:9297.
4LiaoHJ ,OuCD ,ShuSC .Anchoragebehaviorofshaftanchorsinalluvialsoil.J .Geotech.Engrg.,ASCE ,1996,122(7).
5蒋忠信.拉力型锚索锚固段剪应力分布的高斯曲线模式.岩土工程学报,2001,23(6).
6Briaud,JeanLious,PowersWF .Shouldgroutedanchorshaveshorttendonbondlength.J .Geotech.Engrg.,ASCE ,1998,124(2).
7许宏发,卢红标,钱七虎.土层灌浆锚杆的蠕变损伤特性研究.岩土工程学报,2002,24(1).
8侯学渊,李象范.饱和软土层中土锚的时间效应.同济大学学报,1987,15(2).
9EdilTB ,MochtarIB .Creepresponseofmodelpileinclay.J .Geotech.Engrg.,ASCE ,1988,114(11).
10维亚洛夫CC .土力学的流变原理.科学出版社,1987.
11丁佩民.张拉索膜结构与锚固基础相关问题研究.博士学位论文,同济大学,2002.
12CharlieWA ,TurnerJP ,KulhawyFH .Reviewofrepeatedaxialloadtestsondeepfoundations.In:Proc.SessiononDrilledPilesandCaissons,Ⅱ,Vol.2,ASCE ,NewYork,1985:129150.
13BenmokraneB ,etal.Behaviorofgroutedanchorssubjectedtore peatedloadingsinfield.J .Geotech.Engrg.,ASCE ,1995,121(5):413420.
14张其林.索与膜结构.同济大学出版社,2002.
15张继萱,吴肖茗等.新型支挡———锚定板挡土结构的理论与实践.中国铁道出版社,1996.
16王文霞.某剧场观众厅屋盖的锚杆设计.中外建筑,2000,(1)
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