A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Fabricated truss concrete beam capable of being quickly replaced after earthquake
The invention discloses a fabricated truss concrete beam capable of being quickly replaced after an earthquake, and belongs to the field of buildings. The fabricated truss concrete beam comprises a prefabricated truss common concrete beam section, a replaceable steel beam section and an energy dissipation damper; the prefabricated truss common concrete beam section is composed of an upper concrete beam and a lower space truss; the replaceable steel beam section is screwed into a pre-embedded threaded sleeve through a screw rod to be connected with a concrete column and the common concrete beam section of a prefabricated truss; and the two ends of the energy dissipation damper are inserted into holes formed in lug plates through pin shafts to be connected with the concrete column and the common concrete beam section of the prefabricated truss. During normal use, a lower chord of a lower space truss is pulled, an upper concrete beam is pressed, and the concrete cracking degree can be relieved. Under the action of an earthquake, the replaceable steel beam section and the energy dissipation damper dissipate earthquake energy through plastic deformation, and therefore the elastic working state of the common concrete beam section of the prefabricated truss is guaranteed. After the earthquake is finished, the replaceable steel beam section and the energy dissipation damper can be replaced, and rapid repairing of the structure can be achieved. Meanwhile, the fabricated truss concrete beam is convenient to install, the construction progress is accelerated, and the fabricated truss concrete beam has good economic benefits.
本发明公开了一种地震后可快速更换的装配式桁架混凝土梁，属于建筑领域。包括预制桁架普通混凝土梁段、可更换钢梁段和消能阻尼器。预制桁架普通混凝土梁段由上部混凝土梁和下部空间桁架组成；可更换钢梁段通过螺杆拧入预埋螺纹套筒与混凝土柱和预制桁架普通混凝土梁段进行连接；消能阻尼器两端通过销轴插入耳板所设孔洞与混凝土柱和预制桁架普通混凝土梁段进行连接。正常使用期间，下部空间桁架下弦杆受拉，上部混凝土梁受压，可减缓混凝土开裂程度。地震作用下，可更换钢梁段和消能阻尼器通过塑性变形耗散地震能量，从而保证预制桁架普通混凝土梁段的弹性工作状态。地震结束后，将可更换钢梁段和消能阻尼器进行更换，可实现结构的快速修复。同时，该装配式桁架混凝土梁便于安装，加快施工进度，具有良好的经济效益。
Fabricated truss concrete beam capable of being quickly replaced after earthquake
The invention discloses a fabricated truss concrete beam capable of being quickly replaced after an earthquake, and belongs to the field of buildings. The fabricated truss concrete beam comprises a prefabricated truss common concrete beam section, a replaceable steel beam section and an energy dissipation damper; the prefabricated truss common concrete beam section is composed of an upper concrete beam and a lower space truss; the replaceable steel beam section is screwed into a pre-embedded threaded sleeve through a screw rod to be connected with a concrete column and the common concrete beam section of a prefabricated truss; and the two ends of the energy dissipation damper are inserted into holes formed in lug plates through pin shafts to be connected with the concrete column and the common concrete beam section of the prefabricated truss. During normal use, a lower chord of a lower space truss is pulled, an upper concrete beam is pressed, and the concrete cracking degree can be relieved. Under the action of an earthquake, the replaceable steel beam section and the energy dissipation damper dissipate earthquake energy through plastic deformation, and therefore the elastic working state of the common concrete beam section of the prefabricated truss is guaranteed. After the earthquake is finished, the replaceable steel beam section and the energy dissipation damper can be replaced, and rapid repairing of the structure can be achieved. Meanwhile, the fabricated truss concrete beam is convenient to install, the construction progress is accelerated, and the fabricated truss concrete beam has good economic benefits.
本发明公开了一种地震后可快速更换的装配式桁架混凝土梁，属于建筑领域。包括预制桁架普通混凝土梁段、可更换钢梁段和消能阻尼器。预制桁架普通混凝土梁段由上部混凝土梁和下部空间桁架组成；可更换钢梁段通过螺杆拧入预埋螺纹套筒与混凝土柱和预制桁架普通混凝土梁段进行连接；消能阻尼器两端通过销轴插入耳板所设孔洞与混凝土柱和预制桁架普通混凝土梁段进行连接。正常使用期间，下部空间桁架下弦杆受拉，上部混凝土梁受压，可减缓混凝土开裂程度。地震作用下，可更换钢梁段和消能阻尼器通过塑性变形耗散地震能量，从而保证预制桁架普通混凝土梁段的弹性工作状态。地震结束后，将可更换钢梁段和消能阻尼器进行更换，可实现结构的快速修复。同时，该装配式桁架混凝土梁便于安装，加快施工进度，具有良好的经济效益。
Fabricated truss concrete beam capable of being quickly replaced after earthquake
一种地震后可快速更换的装配式桁架混凝土梁
BAI JIULIN (author) / XIE BIN (author) / CHEN HUIMING (author) / HU SHAOWEI (author) / YANG JINGWEI (author) / JIN SHUANGSHUANG (author)
2021-06-11
Patent
Electronic Resource
Chinese
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