结合压缩薄膜效应对GFRP筋混凝土桥面板进行结构设计,有效降低了桥面板的配筋率,降低了结构的建造成本.以支撑梁宽度、筋材种类、配筋率为参数,对1∶3比例缩小的梁板式桥面板进行静力加载试验,测量各个结构模型在整个加载过程中各阶段的承载力、应变、变形等数据,考察其基本力学性能.分析研究桥面板在轮胎荷载下,支撑梁变形、桥面板的裂缝扩展和破坏形态,清晰揭示压缩薄膜效应在整个受力过程中的变化以及对结构性能的影响.
参考文献
| [1] | Onofrei M .Durability of GFRP reinforced concrete from field demonstration structures[R].France:The International Conference,2005. |
| [2] | Nanni A.FRP reinforcement for concrete structures[M].ElsevierScience Publishers,1993 |
| [3] | Ehab El-Salakawy;Brahim Benmokrane;Amr El-Ragaby;Dominique Nadeau .Field Investigation on the First Bridge Deck Slab Reinforced with Glass FRP Bars Constructed in Canada[J].Journal of composites for construction,2005(6):470-479. |
| [4] | 沈聚敏;王传志;江见鲸.钢筋混凝土有限元与板壳极限分析[M].北京:清华大学出版社,1993:396-410. |
| [5] | Amr El-Ragaby;Ehab El-Salakawy;Brahim Benmokrane .Fatigue analysis of concrete bridge deck slabs reinforced with E-glass/vinyl ester FRP reinforcing bars[J].Composites, Part B. Engineering,2007(5/6):703-711. |
| [6] | AASHTO Standards,Superpave Volumetric Mix Design (AASHTO Designtion:M323-04)[S]. |
| [7] | Rankin.G.I.B;Long,A.E .Arching action strength enhancement in laterally restrained slabs[J].Structures and Building,1997,122:461-467. |
| [8] | Taylor,S.E;Rankin G.I.B;Cleland.D.J .Real strength of highperformance concrete bridge deck slabs[J].Bridge Engineering,2003,156:81-90. |
| [9] | Mufti,A.A;Newhook,J.P;Wegner,L.D.The important of understanding punching shear in bridge deck slab innovation[A].Stockholm,Sweden,2000:407-414. |
| [10] | Guide for Design and Construction of Concrete Structures Reinforced with FRP Bars[S]. |
| [11] | ACI 318M-2005.Building code requiremnents for structureal concrete and commentary[S]. |
| [12] | JTG D60-2004.公路桥涵设计通用规范[S]. |
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