简述整体式梁桥和装配式梁桥的施工方法。
整体式梁桥建桥的全部工作都在施工现场进行,即在施工现场设支架、立模板,制作与安装钢筋骨架、现演混凝土等构筑桥梁。装配式梁桥上部结构在预制工厂或工地预制场分块预制,再运到现场吊装就位,然后在接头处把构件连成整体,形成桥梁。
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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