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唐卫
Urban and Rural Studies 2022 No.04
中交(福州)建设有限公司
厦漳同城大道第三标段西溪主桥为独斜塔扭背索斜拉桥,钢混结合段是整个主桥箱梁施工的关键部位。钢混结合段采用少钢管支架支撑,同墩塔梁固结段支架同时设计、搭设;利用两台自主研发的200t变幅式桥面吊机将钢箱梁吊放到支架上,之后利用支架上安装的三向千斤顶进行精确定位;采用大流态混凝土以保证结合段混凝土在钢箱梁内浇筑密实,混凝土中加入聚丙烯纤维以减少结合段混凝土开裂。
支架设计;钢混结合段吊装;精确定位;聚丙烯纤维混凝土
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Language: 中文
CN:10-1589/TU
ISSN:2096-6539
Publication Frequency: 半月刊
An academic processing and support platform focusing on journal databases, submission and review, and pre-typesetting.