| 1. | Analysis on stress of box girder concrete and finite element method 箱梁混凝土应力及有限元分析 |
| 2. | Testing concrete - recommendations for determination of strain in concrete 混凝土试验.第206部分:混凝土应力测定的推荐方法 |
| 3. | Only when the concrete strength comes to the peak value , the strain will reduce with the decrease of the temperature 混凝土应力达到峰值时的应变随负温值的增大而变小。 |
| 4. | These experiments mainly aim at determining the deflection and stress of beam slab structure before and after reinforcement 静载试验的内容是测定加固前后梁板结构的混凝土应力和挠度。 |
| 5. | The stress status of concrete at face of sluice pier in the case of cold wave , pipe cooling and cast - in - place partial sluice pier and so on 研究了寒潮、水管冷却、整浇部分墙体等情况下闸墩表面混凝土应力分布状况。 |
| 6. | So estimation of stress and strain of the old structure is necessary and to estimate accurately the stress and strain of the old structure should be researched furtherly 由于混凝土应力应变关系的非线性性质及其材性指标的离散性,如何比较准确地估算结构构件的原有应力应变水平是一个尚待进一步研究的问题。 |
| 7. | To the problems in long - term monitoring of concrete stress , the numerical simulation for concrete creep effect of the main girder segment of wenhui bridge was made ; accordingly a method that can approximately separate the creep strain was put forward 针对目前混凝土应力长期监测中存在的问题,对文晖大桥主梁节段进行了徐变效应的数值模拟分析,并提出了近似的徐变应变分离方法。 |
| 8. | In order to simplify the calculated procedure , the error coefficient ( r1 ) has been introduced to paper . and so , the criterion formula ( 2 . 1 ) , which calculates strain and stress in concrete , can be replaced by one - variable formula ( 2 . 17 ) 为简化计算类设计破坏形态时粘贴加固构件的抗弯承载力,本文引入误差调整系数_ 1 ,将规范混凝土应力?应变公式( 2 . 1 )简化成一阶线性公式( 2 . 17 )并代入计算。 |
| 9. | Systemic analyses of the practical engineering have been done . the engineering measures including post - pouring belt , part pier pouring with lock floor at one time and pipe cooling is been thoroughly studied . by applying these measures , the stresses in the concrete change 针对实际工程混凝土施工需要,着重研究了后浇带、部分墩墙和底板同时浇筑和布置冷却水管三种工程措施所带来的混凝土应力的变化情况。 |
| 10. | During the above iteration , the stress resultants of the concrete in the cross section are evaluated by integrating the concrete stress - strain curve over the compression zone , while those of the structural steel and the steel reinforcement ( if any ) are obtained using the fiber element method 迭代计算过程中混凝土的截面抗力通过对混凝土应力-应变曲线在截面上的精确积分求得,而型钢和钢筋部分的截面抗力则采用纤维元方法求得。 |