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1.This paper outlines thc application of less relaxed high strength strands in assembled prestressed concretc T-shape girder. Single end tension scheme is pro-posed based on the selection of equipment and anchorage test.
本文介绍了低松驰高强度钢绞线在预应力混凝土T型上的应用,通过设备选型、锚具组装的性能试验,在施工工艺上提出了一端张拉的方案。收藏指正
2.It consists of the girders ,trolley and electric equipment etc .The bridge is welded structure of box -type girder ,individual drives are adopted for traveling mechanism on each end of the crane .all movements of the crane are controlled from the cabin .
本起重机由桥架、小车、电气设备等到部分组成,桥架采用箱型双焊接结构,大车运行机构采用分别驱动,全部机构均在操场室内操纵。收藏指正
3.The main shuchural features of the new electric single-girder overhead travelling crane presented in this paper is as follows: Using a special gisder section to provide simple production technology and light weight; dopting hinged connection at one end between main glrders and end carrages instead of the rigid connection at both ends, eliminating the three-point supporting problem with the crane and thus improving the travelling perfomance; extending crane wheels life contributed to the combination of no-flange crane wheels and horizontal rollers.
提供种生产工艺简单、自重轻的主截面,并将单起重机主、端的刚性连接改为端用铰接连接,解决了在制造和轨道安装时因误差而造成的大车运行三条腿现象,提高了运行性能;用可调大车运行水平轮中心距的设计,代替带轮缘的大车轮,提高大车轮的使用寿命。收藏指正
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