Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Prestressed concrete cover beam based on prefabricated prestressed UHPC (Ultra High Performance Concrete) shell and construction process of prestressed concrete cover beam
The invention discloses a prestressed concrete cover beam based on a prefabricated prestressed UHPC shell and a construction technology thereof, the cover beam comprises the UHPC shell, a support, a pier column, a reinforcement cage, a concrete rib, an I-shaped steel rib and a prestressed reinforcement, and the UHPC shell is arranged at the top of the pier column through the support; common concrete is poured in the UHPC shell; concrete ribs and I-shaped steel ribs are arranged on the inner surface of the UHPC shell; prestressed reinforcements are arranged at the tops of the I-shaped steel ribs; a prestressed tendon/cable is further arranged in the UHPC shell and fixedly connected with the UHPC shell. The construction technology comprises the steps that the prefabricated UHPC shell is hoisted to the top of the pier column; i-shaped steel ribs are mounted in the UHPC shell; installing prestressed reinforcements at the tops of the I-shaped steel ribs; tensioning the prestressed steel bars and then fixing the prestressed steel bars on the I-shaped steel ribs; prestressed tendons/cables are arranged in the UHPC shell; common concrete is poured into the UHPC shell; and after the common concrete reaches the design strength, the prestressed tendons/cables are tensioned, and finally the prestressed tendons/cables are fixed to the UHPC shell through base plates and anchorage devices.
一种基于预制预应力UHPC外壳的预应力混凝土盖梁及其施工工艺，盖梁包括UHPC外壳、支座、墩柱、钢筋骨架、混凝土肋、工字钢肋及预应力钢筋，UHPC外壳通过支座设在墩柱顶部；UHPC外壳内部浇筑有普通混凝土；UHPC外壳内表面设有混凝土肋和工字钢肋；工字钢肋顶部设有预应力钢筋；UHPC外壳内部还设有预应力筋/索，预应力筋/索与UHPC外壳固定连接。施工工艺为：将预制好的UHPC外壳吊装到墩柱顶部；在UHPC外壳内部安装工字钢肋；在工字钢肋顶部安装预应力钢筋；张拉预应力钢筋后将其固定到工字钢肋上；在UHPC外壳内部布设预应力筋/索；将普通混凝土浇筑到UHPC外壳内部；待普通混凝土达到设计强度后，张拉预应力筋/索，最后通过垫板和锚具将预应力筋/索固定到UHPC外壳上。
Prestressed concrete cover beam based on prefabricated prestressed UHPC (Ultra High Performance Concrete) shell and construction process of prestressed concrete cover beam
The invention discloses a prestressed concrete cover beam based on a prefabricated prestressed UHPC shell and a construction technology thereof, the cover beam comprises the UHPC shell, a support, a pier column, a reinforcement cage, a concrete rib, an I-shaped steel rib and a prestressed reinforcement, and the UHPC shell is arranged at the top of the pier column through the support; common concrete is poured in the UHPC shell; concrete ribs and I-shaped steel ribs are arranged on the inner surface of the UHPC shell; prestressed reinforcements are arranged at the tops of the I-shaped steel ribs; a prestressed tendon/cable is further arranged in the UHPC shell and fixedly connected with the UHPC shell. The construction technology comprises the steps that the prefabricated UHPC shell is hoisted to the top of the pier column; i-shaped steel ribs are mounted in the UHPC shell; installing prestressed reinforcements at the tops of the I-shaped steel ribs; tensioning the prestressed steel bars and then fixing the prestressed steel bars on the I-shaped steel ribs; prestressed tendons/cables are arranged in the UHPC shell; common concrete is poured into the UHPC shell; and after the common concrete reaches the design strength, the prestressed tendons/cables are tensioned, and finally the prestressed tendons/cables are fixed to the UHPC shell through base plates and anchorage devices.
一种基于预制预应力UHPC外壳的预应力混凝土盖梁及其施工工艺，盖梁包括UHPC外壳、支座、墩柱、钢筋骨架、混凝土肋、工字钢肋及预应力钢筋，UHPC外壳通过支座设在墩柱顶部；UHPC外壳内部浇筑有普通混凝土；UHPC外壳内表面设有混凝土肋和工字钢肋；工字钢肋顶部设有预应力钢筋；UHPC外壳内部还设有预应力筋/索，预应力筋/索与UHPC外壳固定连接。施工工艺为：将预制好的UHPC外壳吊装到墩柱顶部；在UHPC外壳内部安装工字钢肋；在工字钢肋顶部安装预应力钢筋；张拉预应力钢筋后将其固定到工字钢肋上；在UHPC外壳内部布设预应力筋/索；将普通混凝土浇筑到UHPC外壳内部；待普通混凝土达到设计强度后，张拉预应力筋/索，最后通过垫板和锚具将预应力筋/索固定到UHPC外壳上。
Prestressed concrete cover beam based on prefabricated prestressed UHPC (Ultra High Performance Concrete) shell and construction process of prestressed concrete cover beam
基于预制预应力UHPC外壳的预应力混凝土盖梁及其施工工艺
LIU CIJUN (Autor:in) / ZHANG GUANHUA (Autor:in) / CHEN TAO (Autor:in) / WANG JIAWEI (Autor:in) / WANG LIANGUANG (Autor:in) / WANG KAI (Autor:in) / ZHOU YUJUAN (Autor:in) / GUO JIANFEI (Autor:in) / HAN JIGANG (Autor:in) / LIU WENQI (Autor:in)
31.05.2022
Patent
Elektronische Ressource
Chinesisch
IPC:
E01D
BRIDGES
,
Brücken
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