PP/FRP大口径复合管加工与应用

介绍PP/FRP大口径复合管尺寸计算,复合管制备与工艺,以及复合管道应用情况。

Civil and structural engineering applications,recent trends,research and developments on pultruded fiber reinforced polymer closed sections:a review

The objectives of this study are to review and evaluate the developments and applications of pultruded fiber-reinforced polymer composites in civil and structural engineering and review advances in research and developments.Several case applications are reviewed.The paper presents a state-of-the-art review of fundamental research on the behavior of pultruded fiber reinforced polymer closed sections and highlights gaps in knowledge and areas of potential further research.

FRP—钢复合管混凝土桥墩设计与应用研究

FRP—钢复合管混凝土结构充分利用了FRP和钢管两种材料各自的优势,使双重约束下的混凝土具有优良的力学性能。结合实际工程,提出了新型FRP—钢复合管混凝土桥墩结构,推导了FRP—钢复合管混凝土桥墩承载力简化计算公式,并对计算公式进行了验证,结果表明公式计算值与试验值吻合尚可,对FRP—钢复合管混凝土桥墩的具体方案及构造进行了设计,给出了其施工技术要点和关键工艺,为FRP—钢复合管混凝土桥墩的推广应用提供一定的指导意义。

PIC——种高效超长管材

Ｐ Ｉ Ｃ管采用长的去除内毛刺的电焊管或无缝管作为坯管， 经感应加热后进行张力减径， 然后热卷曲成卷。此类钢管的直径小， 长度大， 组织性能均匀， 塑性好， 可满足特殊行业使用管材的要求。简介了该管的特性、规格、化学成分、生产工艺及应用范围。