大吨位先张法预应力混凝土薄壁“U”形梁全自动智能张拉技术  

Automatic and Intelligent Tensioning Technology of Large-tonnage Pre-tensioned Prestressed Concrete Thin-walled"U"-Shaped Beams

作　　者：胡存坚 HU Cunjian(China Railway 23rd Bureau Group Rail Transit Engineering Co.,Ltd.,Shanghai 201300)

机构地区：[1]中铁二十三局集团轨道交通工程有限公司,上海201300

出　　处：《中国科技纵横》2022年第7期102-104,共3页China Science & Technology Overview

摘　　要：针对传统大吨位先张法预应力张拉存在的施工工效低、控制精度不高、安全风险高等弊端,全新设计全自动智能张拉系统,包括轴压柱张拉台座、全自动智能张拉系统、智能油泵等,经工程实践验证该技术较为成熟、先进。Aiming at the disadvantages of low construction effi ciency,low control accuracy and high safety risk of the traditional large tonnage pretensioning method,newly designed automatic intelligent tensioning system,it includes axial compression column tensioning pedestal,automatic intelligent tensioning system,intelligent oil pump,etc,the engineering practice shows that the technology is relatively mature and advanced.

关 键 词：大吨位先张法 智能张拉 预应力 

分 类 号：U445.47[建筑科学—桥梁与隧道工程]