Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Concrete bridge deck slab hogging moment area prestress UHPC anti-bending reinforcing structure and design and construction method thereof
The invention provides a concrete bridge deck slab hogging moment area prestress UHPC bending resistance reinforcing structure which comprises a prestress steel strand laid on a concrete bridge deck slab, a UHPC reinforcing layer poured on the concrete bridge deck slab and bonded with the prestress steel strand to form a whole, a prefabricated UHPC anchoring device and a prefabricated steel-UHPC steering device. The UHPC reinforcing layer is formed by cast-in-place of rapid-hardening and reduction UHPC materials and is provided with a toughening reinforcing mesh, the prefabricated steel-UHPC steering device achieves the purpose that the prestressed steel strands are converted from the upper edge of the concrete bridge deck slab to the lower edge of the concrete bridge deck slab, and the prestressed steel strands are anchored to the lower edge of the concrete bridge deck slab through the prefabricated UHPC anchoring device. The concrete bridge deck slab hogging moment area prestress UHPC anti-bending reinforcing structure is convenient and fast to construct, efficient in reinforcing and good in durability. The invention further provides a design method and a construction method of the concrete bridge deck slab hogging moment area prestress UHPC anti-bending reinforcing structure.
本发明提供混凝土桥面板负弯矩区预应力UHPC抗弯加固结构，包括铺设于混凝土桥面板的预应力钢绞线、浇筑于混凝土桥面板并与预应力钢绞线粘结形成整体的UHPC加固层、预制UHPC锚固装置及预制钢‑UHPC转向装置，所述UHPC加固层采用速凝、减缩UHPC材料现浇而成，并配置增韧钢筋网，所述预制钢‑UHPC转向装置实现预应力钢绞线由混凝土桥面板上缘向混凝土桥面板下缘的方向转变，所述预应力钢绞线由所述预制UHPC锚固装置锚固在混凝土桥面板下缘。本发明提供的混凝土桥面板负弯矩区预应力UHPC抗弯加固结构，施工便捷、加固高效、耐久性良好。本发明还提供一种混凝土桥面板负弯矩区预应力UHPC抗弯加固结构的设计方法和施工方法。
Concrete bridge deck slab hogging moment area prestress UHPC anti-bending reinforcing structure and design and construction method thereof
The invention provides a concrete bridge deck slab hogging moment area prestress UHPC bending resistance reinforcing structure which comprises a prestress steel strand laid on a concrete bridge deck slab, a UHPC reinforcing layer poured on the concrete bridge deck slab and bonded with the prestress steel strand to form a whole, a prefabricated UHPC anchoring device and a prefabricated steel-UHPC steering device. The UHPC reinforcing layer is formed by cast-in-place of rapid-hardening and reduction UHPC materials and is provided with a toughening reinforcing mesh, the prefabricated steel-UHPC steering device achieves the purpose that the prestressed steel strands are converted from the upper edge of the concrete bridge deck slab to the lower edge of the concrete bridge deck slab, and the prestressed steel strands are anchored to the lower edge of the concrete bridge deck slab through the prefabricated UHPC anchoring device. The concrete bridge deck slab hogging moment area prestress UHPC anti-bending reinforcing structure is convenient and fast to construct, efficient in reinforcing and good in durability. The invention further provides a design method and a construction method of the concrete bridge deck slab hogging moment area prestress UHPC anti-bending reinforcing structure.
本发明提供混凝土桥面板负弯矩区预应力UHPC抗弯加固结构，包括铺设于混凝土桥面板的预应力钢绞线、浇筑于混凝土桥面板并与预应力钢绞线粘结形成整体的UHPC加固层、预制UHPC锚固装置及预制钢‑UHPC转向装置，所述UHPC加固层采用速凝、减缩UHPC材料现浇而成，并配置增韧钢筋网，所述预制钢‑UHPC转向装置实现预应力钢绞线由混凝土桥面板上缘向混凝土桥面板下缘的方向转变，所述预应力钢绞线由所述预制UHPC锚固装置锚固在混凝土桥面板下缘。本发明提供的混凝土桥面板负弯矩区预应力UHPC抗弯加固结构，施工便捷、加固高效、耐久性良好。本发明还提供一种混凝土桥面板负弯矩区预应力UHPC抗弯加固结构的设计方法和施工方法。
Concrete bridge deck slab hogging moment area prestress UHPC anti-bending reinforcing structure and design and construction method thereof
混凝土桥面板负弯矩区预应力UHPC抗弯加固结构及其设计和施工方法
ZHANG YANG (Autor:in) / HUANG SONGLING (Autor:in) / LIAO XINHUI (Autor:in) / QIN YANYUE (Autor:in) / LIU YINGFENG (Autor:in)
04.07.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
E01D
BRIDGES
,
Brücken
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