| 1. | Application of long span unbounded prestressed concrete girderless floor
大跨度无粘结预应力砼无梁楼盖的应用 |
| 2. | Elasticity analysis on slab
无梁楼盖的弹性分析 |
| 3. | On the basis of the theoretical analysis and the finite element calculating , the conclusions show that the cast - in - place reinforced concrete hollow flat - plate floor should adopt the calculating method of the flat - plate floor
通过理论分析和有限元计算，本文认为现浇钢筋混凝土空心板无梁楼盖应按无梁楼盖体系的设计方法进行结构计算。 |
| 4. | The formulation of slab - column system flexure and internal force in elasticity was established according to the known condition of boundary and stress , and the elasticity formulation using the factor of relativity coordinate was simplified
摘要根据已知的边界和受力条件，建立无梁楼盖挠度和内力的弹性分析解，并利用相对坐标引入参数，对此弹性解进针化简。 |
| 5. | Simplified formulation of flexure and internal force was analyzed , the factors of affecting flexure and internal force were found , and the action of factors of affecting to the slab - column system was analyzed by changing these factor
对简化后的挠度和内力进行分析，找出影响无梁楼盖挠度和内力的因素，并通过改变这些影响因素，分析其对挠度和内力的影响作用。 |
| 6. | This article narrated the way of architecture technology reformation from non - beam floor technology , floor plus , curtain wall design , five - proof , disaster - proof and equipment floor reformation of the skyscraper
本文仅从高层综合楼无梁楼盖新技术与楼层加层、外帷幕墙设计、高层综合楼建筑防火防灾以及高层综合楼设备层的改造利用等方面对建筑技术创新的途径进行阐述。 |
| 7. | It has been found out that using a prestressed concrete flat slab floor can decrease the thickness of the floor slab , improve forced property and service functions of the structure , and so as to save materials , reduce cost and prevent the cracks of shrinkage and temperature
采用预应力混凝土无梁楼盖可以降低楼板厚度，改善结构的受力性能和使用功能，而且能节约材料，降低造价，防止收缩和温度裂缝的产生。 |
| 8. | Compared with the normal flat - plate floor , the cast - in - place reinforced concrete hollow flat - plate floor has two special characteristics . to produce the hollow floor , the hollow columns are pre - buried in the floor . there are concealed wide - flat beams between the frame columns
和普通平板无梁楼盖相比，现浇钢筋混凝土空心板无梁楼盖有两个突出的不同点，一是在楼板内预埋空心圆筒形成空心楼板，二是在框架柱之间设有暗扁梁。 |
| 9. | A material nonlinear finite element analysis for the cast - in - place reinforced concrete hollow slab that occurs from initial loading , cracking , yielding to failing is carried on . the cracking load , ultimate load , the displacement rules and the principal stress distribution rules of the hollow slab under the vertical loads are obtained . a material nonlinear finite element analysis for the single span hollow flat - plate floor is also carried on
其次对空心板进行了从加荷、开裂、屈服直至破坏的全过程材料非线性有限元计算，得到了空心板在竖向荷载作用下的开裂荷载、极限荷载及位移和应力分布规律；还对单跨无梁楼盖进行了材料非线性有限元计算，通过分析主应力场明确了柱上暗扁梁的作用；有限元计算的结果验证了以上的理论分析并得到了一些重要的结论，对改进现浇空心板无梁楼盖的构造措施有重要的参考价值。 |
| 10. | By using the calculating method of the flat - plate floor , the bend moments of the slab in different place are calculated . the moment distribution ratio between the column trip and the middle trip of the cast - in - place reinforced concrete hollow flat - plate floor calculated by the equivalent frame method is demonstrated . the moment of the cast - in - place reinforced concrete hollow flat - plate floor calculated by the experience coefficient method is also demonstrated
进而将无梁楼盖体系的计算方法应用于现浇空心板无梁楼盖中，通过对板格弯矩的分析，得出了现浇空心板无梁楼盖按等效框架法计算的板带弯矩分配比例系数，按经验系数法计算的板带弯矩设计值。 |
