A circular assembling type double wall corrugated steel corrugated culvert closed, including the closure of double wall corrugated segment, the closed double wall corrugated segment consists of two pieces of corrugated steel plate forming, welding to form a closed double wall corrugated segment two corrugated molding plate, two pieces of corrugated molding plate respectively constitute a closed double wall corrugated pipe and the outer wall the inner wall; six closed double wall corrugated tube segment overlap to form the circular ring, two adjacent closed double wall corrugated pipe inner wall and the outer wall overlapping joint fixed row through bolts; a plurality of circular pipe ring overlapping constitute the whole corrugated culvert; the circular assembled double wall corrugated steel corrugated culvert has closed high strength, large bearing capacity and other characteristics, as the main body of culverts, bridges, relatively concrete pipe culvert has the advantages of simple construction, convenient maintenance, long service life, adapt to the foundation Deformation capacity and other advantages, it is worth promoting.
【技术实现步骤摘要】
本技术涉及公路铁路涵洞用构件
,尤其是一种圆形拼装式双壁波纹闭合钢质波纹涵管。
技术介绍
涵洞是公路工程中的重要组成部分之一,目前的小桥涵绝大部分为钢筯混凝土结构,这类结构物在使用中多数出现不同程度的病害,适应地质能力较差,特别是在软土、冻土地区,其病害尤为严重。金属波纹涵管结构具有良好的适应变形能力和优良的力学性能,采用柔性、高强度钢波纹管的涵洞,不仅具有良好的适应地基与基础变形的能力,还可以解决因地基基础不均匀沉降导致的涵洞破坏问题,钢质波纹涵管由于轴向波纹的存在使其具有优良的受力特征,轴向和径向同时分布荷载引起的应力应变,可以更大程度分散荷载的应力集中,更好地发挥钢结构的优势。对于大跨径、大纵深的涵洞而言,特别适合采用拼装式钢质波纹涵管,而现有的拼装式圆形波纹涵管采用单壁管片拼装而成,对于填土高度很高,载荷量很大的涵洞而言,其承载力较差。
技术实现思路
本技术旨在提供一种其承载力为单壁拼装波纹涵管的2-3倍的圆形拼装式双壁波纹闭合钢质波纹涵管。为实现上述目的,本技术提供如下技术方案:一种圆形拼装式双壁波纹闭合钢质波纹涵管,包括闭合双壁波纹管片,所述闭合双壁波纹管片由两片波纹成型钢板组成,两片波纹成型钢板焊接构成闭合双壁波纹管片,两片波纹成型钢板分别构成闭合双壁波纹管片的外壁和内壁;六个闭合双壁波纹管片相互搭接构成圆形管环,相邻的两个闭合双壁波纹管片的内壁、外壁相互搭接,搭接处通过一排螺栓固定,该圆形管环的横截面呈圆形;数个圆形管环相互搭接构成整体波纹涵管。作为本技术的进一步方案:所述两片波纹成型钢板中上方的波纹成型钢板的波谷处焊接下方的波纹成型钢板的 ...
【技术保护点】
一种圆形拼装式双壁波纹闭合钢质波纹涵管,包括闭合双壁波纹管片,其特征在于,所述闭合双壁波纹管片由两片波纹成型钢板组成,两片波纹成型钢板焊接构成闭合双壁波纹管片,两片波纹成型钢板分别构成闭合双壁波纹管片的外壁和内壁;六个闭合双壁波纹管片相互搭接构成圆形管环,相邻的两个闭合双壁波纹管片的内壁、外壁相互搭接,搭接处通过一排螺栓固定,该圆形管环的横截面呈圆形;数个圆形管环相互搭接构成整体波纹涵管。
【技术特征摘要】
1.一种圆形拼装式双壁波纹闭合钢质波纹涵管,包括闭合双壁波纹管片,其特征在于,所述闭合双壁波纹管片由两片波纹成型钢板组成,两片波纹成型钢板焊接构成闭合双壁波纹管片,两片波纹成型钢板分别构成闭合双壁波纹管片的外壁和内壁;六个闭合双壁波纹管片相互搭接构成圆形管环,相邻的两个闭合双壁波纹管片的内壁、外壁相互搭接,搭接处通过一排螺栓固定,该圆形管环的横截面呈圆形;数个圆形管环相互搭接构成整体波纹涵管。2.根据权利要求1所述的圆形拼装式双壁波纹闭合钢质波纹涵管,其特征在于,所述两片波纹成型钢板中上方的波纹成型钢板的波谷处焊接下方的波纹成型钢板的波峰处。3.根据权利要求1所述的圆形拼装式双壁波纹闭合钢质波纹涵管,其特征在于,所述数个圆形管环中...
【专利技术属性】
技术研发人员:石静,周永青,李延锋,
申请(专利权)人:河北驰特轨道交通设备有限公司,
类型:新型
国别省市:河北;13
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