此时需要设置抵抗膜面内力的构件，该构件可以是管状的金属构架，也可是薄膜气肋，即：内充高压气体而具有一定抗弯刚度的管状。
At this point, it is necessary to set up the component to resist the internal force of the film surface, which can be a tubular metal frame, but also a thin film gas rib.
悬索桥服役一段时间以后，在风荷载的作用下将造成主要构件加劲梁抗弯刚度的削弱进而导致结构损伤。
After a period of service time, the moment rigidity of the stiffening beam for a suspended bridge will be impaired under the wind load, which will lead to the structural damage.
试验结果表明，钢丝网复合砂浆薄层可以明显地提高钢筋混凝土梁的抗弯承载力，提高抗裂性能，增强构件的抗弯刚度。
The results showed that ferrocement can obviously increase the load bearing capacity and crack resisting capacity, and improve the bending stiffness of beam.
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