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当前位置:首页 >>新闻中心 >> 平面钢闸门的承重结构
⑴面板:是用来挡水,直接承受水压并传给梁格。面板通常设在闸门的上游面,这样可以避免梁格和行走支承浸没于水中而积聚污物,也可以减小因门底过水而产生的振动。 ⑵梁格:由互相正交的梁系(水平次梁(包括顶、底次梁)、竖立次梁、主梁和边梁等)所组成,用来支承面板并将面板传来的全部水压力传给支承边梁,然后通过设置在边梁上的行走支承把闸门上的水压力传给闸墩。 ⑶横向联结系(又称竖向联结系):布置在垂直于闸门跨度方向的竖直平面内,以保证闸门横截面的刚度 ,使门顶和门底不致产生过大的变形。其主要承受由顶梁、底梁和水平次梁传来的水压力并传给主梁。其形式主要有实腹隔板式和桁架式。 ⑷纵向联结系(又称门背联结系或起重桁架):布置在闸门下游面主梁(或主桁架)的下翼缘(或下弦杆)之间的纵向竖直平面内,承受闸门部分自重和其它竖向荷载,并可增强闸门纵向竖平面的刚度;当闸门受双向水头时还能保证主梁的整体稳定性(当闸门承受反向水头时,主梁下翼缘受压)。 Panel: it is used to block water, directly bear water pressure and pass to grillage. The panel is usually located in the upper face of the gate so that the beam and the walking support are immersed in the water and the dirt can be accumulated, and the vibration caused by the water of the bottom of the door can be reduced. (2) beam: the beam system consisting of orthogonal beams (including the horizontal beam (including the top, the bottom secondary beam), the vertical beam, the main beam and the side beam, etc., is used to support the panel and transmit all the water pressure from the panel to the supporting side beam, and then pass the water pressure on the gate to the pier through the walking support set on the side beam. The transverse joint system (also called the vertical joint system) is arranged in the vertical plane perpendicular to the direction of the gate span to ensure the rigidity of the cross section of the gate, so that the top and the bottom of the door will not produce excessive deformation. It mainly bears the water pressure from the top beam, the bottom beam and the horizontal secondary beam and passes it to the main girder. Its form mainly includes solid abdominal partition and truss type. Longitudinal joint system (also known as a back joint or lifting truss): in the vertical vertical plane between the lower flange (or the lower chord) of the main beam (or main truss) downstream of the gate, it bears the self weight and other vertical loads of the gate, and increases the stiffness of the vertical vertical plane of the gate; when the gate is subjected to a two-way head, the gate will be returned. It can ensure the overall stability of the main girder (when the gate bears the reverse head, the lower flange of the main beam is pressed).
关键字:闸门 钢闸门
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