| 1. | Study on seismic behavior of recycled concrete frame joints 再生混凝土框架节点抗震性能研究 |
| 2. | The experiment about gabled frames joint ' s capability is performed 对门式刚架节点性能进行了试验研究。 |
| 3. | Experimental study on the seismic resistance behavior of steel fiber reinforced concrete frame joints 钢纤维混凝土框架节点抗震性能试验研究 |
| 4. | If the ordinary top longitudinal steel bars of the passed - joint hypo - beam yield , the yield will penetrate into the joint area and the slip of bar anchorage is much worse than the ordinary frame joint 但是同时,当柱上没有过柱次梁时,则会产生另类的破坏形式,例如本试验中的试件二的中节点的破坏。 |
| 5. | The static load test was done on the frame beam strengthened by cfrp with frame joint anchored in different mode , and the hearing capacity , deflection and width of crack was surveyed 摘要对采用不同梁端锚固方式的碳纤维布加固框架梁进行静载试验研究,在承载力、挠度及裂缝开展等方面进行了综合比较和分析。 |
| 6. | Based on comprehensive literature research , this dissertation carried out the experimental study and three - dimension finite element analysis of the behavior of subassemblage and prestressed frame joints under loads 本文在广泛阅读国内外文献的基础上,进行了预压装配式框架节点受力性能试验研究及三维有限元分析。 |
| 7. | The research indicates that the subassemblage and prestressed frame joint has good seismic performances and anti - crack behaviors , providing theoretical support and test data for the spreading and appling the subassemblage and prestressed concrete frames in our country 本文研究表明,预压装配式框架节点具有良好抗震性能和抗裂能力,为预压装配式预应力混凝土结构在我国的推广应用提供理论依据和试验资料。 |
| 8. | Five specimens have been designed and tested , among which four specimens are frame joints between concrete - filled steel tubular core columns and prestressed concrete beams and one specimen that is a contrast is a joint between a reinforced concrete column and a prestressed concrete beam 本文设计试验了5榀节点试件,其中4榀为采用了不同直径钢管的钢管混凝土核心柱与预应力混凝土梁框架节点; 1榀为普通混凝土柱与预应力混凝土梁框架节点,该节点作为对比之用。 |
| 9. | In the calculating process . the function of liquid proportion control was discussed . especially to the synchronic control system and the dynamic character of synchronic error and the motor circuit . lt also discussed the relationship between the hydraulic system parameter and the transmission system . in the transmission unit . the mechanical function of main parts has been optimized and calculated . good results gotten . the stress and deformation of the frame joints and poles were calculated using structure mechanics method . the character of the screw pole were analyzed 同时,为提高设备整体的性能,对机械传动单元中重要部件台面框架与丝杠的机械性能进行了优化与计算,重点运用结构力学的分析方法对台面框架各节点与杆件的受力与变形做了精确的计算,并对丝杠的耐磨性、刚度、稳定性进行了可靠性分析,保证了设备的总体精度,提高了设备的可靠性,得到了比较理想的结果。 |
| 10. | The main contents are as follows . by the experiments of two joints under low - reversed cyclic loading , the paper analyzes the failure pattern , energy dissipation , ductility and cracking in the joint cores , evaluates the seismic performances and anti - crack behaviors of the joints , and deduces the anti - crack formula of the subassemblage and prestressed frame joint . through the fini te element analysis software ansys , the paper analyzes the specimens nonlinearly , and the theoretical analysis results are well consistent with those of the experiment 主要内容包括:通过两榀节点在低周反复荷载作用下的试验,分析其破坏形态、耗能能力、延性性能和节点核芯区裂缝开展情况,评估节点的抗震性能和抗裂能力,推导出预压装配式框架节点的抗裂验算公式;并运用ansys对试验中的节点进行了非线性分析,计算结果与试验结果基本吻合。 |