2011年1月 施工技术 第40卷第2期 CONSTRUCTION TECHNOLOGY 85 环形预应力盾构管片摩阻损失测试与研究 刘鹏，王贯明，杨思忠2，杨雄为3 (1.北京市市政工程研究院，北京100037：2.北京市拉路桥建材集团有限公司，北京100176： 3.柳州维机械份有限公司，广西柳州545005) [描盈]子某国内预应力工程，首次对原型预应力角构管片结构环衬进行摩阻捐失测试.采用夹停甲猫结含 的环挂术，对预应方管片环施加颗应力，以满足其承受内水压和外戴的要求，较准确地款得了环形预应力盾构 管摩和损失.同时初步确定摩阻系，并对试数据进行处理和分析.德果表明，测试结果后设计理施值比较 响含，可以满足实际试验要求. [关键词]预应力工程：预应力筋：无铜我：摩阳捐测试 [中分类]TU378 [献识移]A [支章编将]1002-8498(2011)02-0085-03 Test and Research on Friction Loss of Circumferential Prestressed Precast Concrete Segments Liu Peng' Wang Guanming' Yang Sizhong㎡，Yang Xiongwei (1.Beijing Municipal Engineering Research Institute Beijing 100037 China: 2.Beijing Municipal Road Bridge Building Material Group Co.Lid.Beijing 100176 China: 3.OVM Machinery Co.Ld.Liuzhou Guangxi 545005 China) Abstract:Taking some prestress engineering as example it is the first time to test the friction loss of full- scale circumferential prestressed precast concrete segment lining in China.The prestressed precast concrete segment lining is prestressed by using the annular anchorage technique of anchor blade bining with P-anchor in order to withstand the internal water pressure and external load.It is the first time to achieve the friction loss of circumferential prestressed precast concrete segment lining more accurately and the friction coefficient is initially determined.Besides the test data are treated and analyzed.The results show that test data accord with theoretical data which can satisfy the requirements of actual test. Key words:pr...
环形预应力盾构管片摩阻损失测试与研究.pdf
