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例题:要求设计一门顶雨篷梁,门洞净宽2.4米,梁上墙砌体高度为3.2米,墙厚为0.24米。在梁顶上2.2米处支承有两根楼板梁,其支座反力均为2.2吨,两梁相距2米。雨篷板悬挑长度为0.6米,平均厚度为6厘米(图11)。
Example: Design of a canopy beam with a net width of 2.4 meters. The masonry height of the beam on the beam is 3.2 meters and the wall thickness is 0.24 meters. There are two floor beams supported at 2.2 meters above the beam, with a counterforce of 2.2 tons and two beams separated by 2 meters. The canopy cantilever has a cantilever length of 0.6 meters and an average thickness of 6 cm (Figure 11).