CN201648938U - U形板加劲型波形钢腹板 - Google Patents

U形板加劲型波形钢腹板 Download PDF

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Publication number
CN201648938U
CN201648938U CN2010200413139U CN201020041313U CN201648938U CN 201648938 U CN201648938 U CN 201648938U CN 2010200413139 U CN2010200413139 U CN 2010200413139U CN 201020041313 U CN201020041313 U CN 201020041313U CN 201648938 U CN201648938 U CN 201648938U
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corrugated steel
steel web
shaped
shaped plate
stiffening
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CN2010200413139U
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Inventor
王用中
王健
孟磊
李广慧
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HENAN DAJIAN BRIDE STEEL STRUCTURE CO., LTD.
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HENAN HAIWEI ENGINEERING CONSULTING Co Ltd
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Abstract

本实用新型属于钢腹板技术领域，公开了一种U形板加劲型波形钢腹板，包括波形钢腹板本体，所述波形钢腹板本体的一侧设有多个横截面为U形的加劲肋，U形加劲肋的开口与波形钢腹板本体相连接，每个U形加劲肋沿波形钢腹板本体的纵向方向设置。本实用新型在波形钢腹板本体的内侧沿纵向设置多个U形加劲肋，设计时使U形加劲肋的开口与波形钢腹板本体相连，能非常有效地提高波形钢腹板的平面外刚度，进而扩大波形钢腹板的应用范围，为在更大跨度和更高主梁场合的应用提供了技术支撑。本实用新型加工容易，能节省钢材，降低成本。

Description

U形板加劲型波形钢腹板
技术领域
本实用新型属于钢腹板技术领域，涉及一种U形板加劲型波形钢腹板。
背景技术
采用波形钢腹板组合箱梁的大跨径连续梁桥，一般多采用悬臂浇筑法施工，其主梁多采用变截面高度的波形钢腹板-混凝土顶底板组成的组合箱梁。对于主梁来说，除应具有足够的强度以外，还应具有足够的刚度承受压力而不致发生失稳。为了使钢腹板不致于发生局部屈曲和整体屈曲，波形钢腹板的厚度也应加大。但是随着厚度的增大，会存在加工机械能力、部件缩短、弯曲部件韧性、应变时效(与冷弯相随的后期韧性降低)等问题，对加工设备的要求更高，其加工也更加困难，而且需要计算其屈曲脆性破坏强度，需慎重选用。因此如何增加波形钢腹板的平面外刚度成为了一个非常现实的问题。
实用新型内容
本实用新型的目的是提供一种板U形板加劲型波形钢腹板，可非常有效地提高波形钢腹板的平面外刚度。
为实现上述目的，本实用新型采用以下技术方案：
U形板加劲型波形钢腹板，包括波形钢腹板本体，所述波形钢腹板本体的一侧设有多个横截面为U形的加劲肋，U形加劲肋的开口与波形钢腹板本体相连接，每个U形加劲肋沿波形钢腹板本体的纵向方向设置。
所述相邻的U形加劲肋中心之间的间距为150-300mm。
所述U形加劲肋焊接在波形钢腹板本体的内侧。
本实用新型在波形钢腹板本体的内侧沿纵向设置多个U形加劲肋，设计时使U形加劲肋的开口与波形钢腹板本体相连，能非常有效地提高波形钢腹板的平面外刚度，进而扩大波形钢腹板的应用范围，为在更大跨度和更高主梁场合的应用提供了技术支撑。本实用新型加工容易，能节省钢材，降低成本。
附图说明
图1为本实用新型的结构示意图；
图2为本实用新型的A-A视图。
具体实施方式
如图1、2所示的U形加劲型波形钢腹板，波形钢腹板本体1的内侧沿纵向方向焊接有多个U形加劲肋2，U形加劲肋2的开口与波形钢腹板本体1相连接，相邻的U形加劲肋2中心之间的间距为150-300mm。

Claims (3)

1.U形板加劲型波形钢腹板，包括波形钢腹板本体，其特征在于：所述波形钢腹板本体的一侧设有多个横截面为U形的加劲肋，U形加劲肋的开口与波形钢腹板本体相连接，每个U形加劲肋沿波形钢腹板本体的纵向方向设置。
2.如权利要求1所述的U形板加劲型波形钢腹板，其特征在于：所述相邻的U形加劲肋中心之间的间距为150-300mm。
3.如权利要求1或2所述的U形板加劲型波形钢腹板，其特征在于：所述U形加劲肋焊接在波形钢腹板本体的内侧。
CN2010200413139U 2010-01-21 2010-01-21 U形板加劲型波形钢腹板 Expired - Fee Related CN201648938U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102505628A (zh) * 2011-11-23 2012-06-20 广东省公路勘察规划设计院股份有限公司 用于钢桥梁抗疲劳裂缝的闭口u型加劲肋及其施工方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102505628A (zh) * 2011-11-23 2012-06-20 广东省公路勘察规划设计院股份有限公司 用于钢桥梁抗疲劳裂缝的闭口u型加劲肋及其施工方法
CN102505628B (zh) * 2011-11-23 2014-08-06 广东省公路勘察规划设计院股份有限公司 用于钢桥梁抗疲劳裂缝的闭口u型加劲肋及其施工方法

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Address before: 450000, No. 20, inner ring road, Zheng Dong New District, Henan City, Zhengzhou Province, room 2403, Golden Sunshine Century

Patentee before: Henan Haiwei Engineering Consulting Co., Ltd.

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Inventor after: Wang Yongzhong

Inventor after: Tian Feng

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