Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
UHPC-CSW wet joint structure of prefabricated bridge deck slab and construction method of UHPC-CSW wet joint structure
The invention discloses a UHPC-CSW wet joint structure of a prefabricated bridge deck slab and a construction method thereof.The structure comprises CSWs embedded in the ends of two adjacent concrete prefabricated slabs and UHPC poured between the two adjacent concrete prefabricated slabs, shear nails are arranged on the CSWs, transverse steel bars and longitudinal steel bars are arranged in the concrete prefabricated slabs, and the transverse steel bars and the longitudinal steel bars are arranged in the concrete prefabricated slabs. The two ends of the longitudinal steel bars stretch out of the concrete prefabricated slab and stretch into the UHPC, annular steel bars used for connecting every two adjacent longitudinal steel bars are arranged in the UHPC, and reinforcing steel bars are arranged in the annular steel bars in a penetrating mode. The method comprises the following steps: 1, manufacturing a combined bridge deck slab; 2, bridge deck slab hoisting operation; and 3, wet joint construction operation. The CSW is pre-buried in the concrete prefabricated slab, the structural rigidity of the wet joint is improved, the wet joint is formed by pouring the UHPC, the width of the wet joint is reduced, the crack resistance of the wet joint is improved, and the service life of the wet joint is prolonged.
本发明公开了一种预制桥面板的UHPC‑CSW湿接缝结构及其施工方法，该结构包括嵌设在相邻两个混凝土预制板端部的CSW和浇筑在相邻两个混凝土预制板之间的UHPC混凝土，CSW上设置有剪力钉，混凝土预制板内布设横向钢筋和纵向钢筋，纵向钢筋的两端均伸出混凝土预制板并伸入UHPC混凝土内，UHPC混凝土内设置有用于连接相邻两个纵向钢筋的环形钢筋，环形钢筋内穿设有加固钢筋。该方法包括步骤：一、制作组合式桥面板；二、桥面板吊装作业；三、湿接缝施工作业。本发明通过在混凝土预制板中预埋CSW，提高了湿接缝的结构刚度，通过浇筑UHPC混凝土形成湿接缝，减小了湿接缝的宽度，增加了湿接缝的抗裂性能和使用寿命。
UHPC-CSW wet joint structure of prefabricated bridge deck slab and construction method of UHPC-CSW wet joint structure
The invention discloses a UHPC-CSW wet joint structure of a prefabricated bridge deck slab and a construction method thereof.The structure comprises CSWs embedded in the ends of two adjacent concrete prefabricated slabs and UHPC poured between the two adjacent concrete prefabricated slabs, shear nails are arranged on the CSWs, transverse steel bars and longitudinal steel bars are arranged in the concrete prefabricated slabs, and the transverse steel bars and the longitudinal steel bars are arranged in the concrete prefabricated slabs. The two ends of the longitudinal steel bars stretch out of the concrete prefabricated slab and stretch into the UHPC, annular steel bars used for connecting every two adjacent longitudinal steel bars are arranged in the UHPC, and reinforcing steel bars are arranged in the annular steel bars in a penetrating mode. The method comprises the following steps: 1, manufacturing a combined bridge deck slab; 2, bridge deck slab hoisting operation; and 3, wet joint construction operation. The CSW is pre-buried in the concrete prefabricated slab, the structural rigidity of the wet joint is improved, the wet joint is formed by pouring the UHPC, the width of the wet joint is reduced, the crack resistance of the wet joint is improved, and the service life of the wet joint is prolonged.
本发明公开了一种预制桥面板的UHPC‑CSW湿接缝结构及其施工方法，该结构包括嵌设在相邻两个混凝土预制板端部的CSW和浇筑在相邻两个混凝土预制板之间的UHPC混凝土，CSW上设置有剪力钉，混凝土预制板内布设横向钢筋和纵向钢筋，纵向钢筋的两端均伸出混凝土预制板并伸入UHPC混凝土内，UHPC混凝土内设置有用于连接相邻两个纵向钢筋的环形钢筋，环形钢筋内穿设有加固钢筋。该方法包括步骤：一、制作组合式桥面板；二、桥面板吊装作业；三、湿接缝施工作业。本发明通过在混凝土预制板中预埋CSW，提高了湿接缝的结构刚度，通过浇筑UHPC混凝土形成湿接缝，减小了湿接缝的宽度，增加了湿接缝的抗裂性能和使用寿命。
UHPC-CSW wet joint structure of prefabricated bridge deck slab and construction method of UHPC-CSW wet joint structure
预制桥面板的UHPC-CSW湿接缝结构及其施工方法
SHI XIONGWEI (Autor:in) / XU BING (Autor:in) / WANG YUE (Autor:in) / YI LINGZHI (Autor:in) / YUAN ZHUOYA (Autor:in) / MIAO JIANBAO (Autor:in) / LIU JIAN (Autor:in) / LIU YANTAO (Autor:in) / ZHAO TING (Autor:in) / LI JING (Autor:in)
02.06.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
E01D
BRIDGES
,
Brücken
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