Long-Term Ductility of Glass Fiber Reinforced Concrete Panels

玻璃纤维增强混凝土建筑板 越来越多地用作建筑物的外部覆层， 翻新和新建筑。 实地经验表明， 表明这些板表现出降低的拉伸强度， 延展性随时间的推移而丧失。 强度降低可能是由于 在最初设计的面板，但延展性方面， 不足以包括在设计计算中。 这 项目将确定玻璃纤维板的长期行为 在设计的初始阶段就考虑到这一点。 几 参数将被调查，如：纤维的类型，添加 聚合物胶乳和火山灰以及固化条件。

Building panels made of glass fiber reinforced concrete are increasingly used as exterior cladding for buildings which are being renovated and also for new construction. Field experience has indicated that these panels have exhibited reduced tensile strength and a loss of ductility with time. The reduced strength may be accounted for in the initial design of the panels, but the ductility aspects are not known sufficiently to be included in the design calculations. This project will determine the long-term behavior of the glass fiber panels to account for it properly in the initial stages of design. Several parameters will be investigated such as: types of fiber, additions of polymer latex and pozzolans and curing conditions.