| 1. | Prestressed concrete hollow - core slabs
预应力混凝土空心板 |
| 2. | Finite tension element analysis of post tensioning prestressed concrete hollow slab
后张法预应力混凝土空心板梁张拉有限元分析 |
| 3. | Construction technology of pre - stressing concrete hollow plate beam precasted by monolithic tension method
整体张拉法预制预应力混凝土空心板梁 |
| 4. | Based on the nonlinear analysis theory of the reinforced concrete flexural member , this paper explores a numerical analysis program for the pre - stressed and hollow - core concrete slabs with mid - strength spiral - ribs steel wires
运用钢筋混凝土受弯构件非线性全过程分析的基本原理，本文编制了中强螺旋肋钢丝预应力混凝土空心板的数值分析程序。 |
| 5. | Thus the numerical analysis testifies that the service stages of the pre - stressed and hollow concrete slabs with mid - strength spiral - ribs steel wires can also be separated to the elastic stage , cracking stage and failure stage
数值分析程序验证了中强螺旋肋钢丝预应力混凝土空心板的工作阶段也可分为弹性工作阶段、带裂缝工作阶段和破坏阶段。 |
| 6. | Based on the destructive test of certain old pre - stressed concrete hollow slab after structural strengthening by cfs , the destructive mechanism and ultimate bearing capacity of old pre - stressed hollow slab after structural strengthening is being researched , which is useful for the strengthening design of old bridge and solvating of single slab problem
摘要通过某已使用10年的旧桥预应力混凝土空心板受拉区碳纤维布加固后的破坏荷载试验研究，对受拉区加固后的旧桥预应力混凝土空心板的破坏机理、变形性能及极限承载能力等进行了研究，为旧桥预应力混凝土空心板的加固设计及单板受力问题的分析解决提供了试验依据。 |
| 7. | Taking an ultimate deflection more than 1 / 50 of calculating span as the determinant term , by the means of numerical analysis and regress equation respectively , this paper discusses the reasonable stretching controlling stress of usual span and reinforcement slabs for design reference
以极限挠度达到跨度的1 50作为延性破坏的判定指标，本文分别运用数值分析程序试算和回归方程得出了常用跨度、常用配筋的中强( 1270mpa )螺旋肋钢丝预应力混凝土空心板的张拉控制应力的取值，供设计参考。 |
| 8. | As a new variety of steel wire in our country , the mid - strength ( 1270mpa ) spiral - ribs steel wire has many excellences such as high strength , good ductility , credible felting and anchoring capability witn concrete and so on . the pre - stressed concrete slab with this sort of steel wire has good mechanical property . so it is an ideal substitute to the cold - processed wires traditionally adopted in pre - stressed concrete slabs
中强( 1270mpa )螺旋肋钢丝是我国研制开发的预应力钢筋新品种，具有强度高、延性好、与混凝土粘结锚固可靠的优点，以这种钢丝为配筋的预应力空心板具有良好的力学性能，是传统用于预应力混凝土空心板的冷加工钢丝的理想替代品。 |
