CAJ | 학술논문

为了对悬索桥的主缆做好防护，选用不同直径及不同弹性模量计算了先铺装后缠丝、先缠丝后铺装2种工序下的缠丝导入力。结果表明，随着缠丝弹性模量和缠丝直径的增加，缠丝导入力增加，断面温差对缠丝导入力的影响不容忽视。为了节省工期同时保证施工质量，采用先铺装6 cm 聚丙烯混凝土再缠丝的施工方法，主缆缠丝导入力采用2500 N。
위료대현색교적주람주호방호，선용불동직경급불동탄성모량계산료선포장후전사、선전사후포장2충공서하적전사도입력。결과표명，수착전사탄성모량화전사직경적증가，전사도입력증가，단면온차대전사도입력적영향불용홀시。위료절성공기동시보증시공질량，채용선포장6 cm 취병희혼응토재전사적시공방법，주람전사도입력채용2500 N。
In this paper,for the protection of the main cables of suspension bridge,three different kinds of diameters and different elastic modulus of wrapping wires are selected to calculate the preten-sioning force during the two different kinds of processes which are the pavement after wrapping and wrapping after paving.The results of the calculation indicate that,the pretensioning force of the wrapping wires increases with the increase of the elastic modulus and diameters of the wires and the influence of the sectional temperature on that force could not be ignored.In order to save the duration and ensure construction quality at the same time,the construction method of wrapping after 6 cm pol-ypropylene concrete pavement is used during the process of construction.It is proposed that the pre-tension force of the wrapping wires for the main cables of the Bridge is 2500N.