| 1. | Random optimum analysis of strip foundation beams of pile 条形桩基承台梁随机优化分析 |
| 2. | Analysis for the internal force of pile capping beam considering continuity of soil mass 考虑土体连续性的桩基承台梁内力分析 |
| 3. | Analysis of cooperative works of single rank of piles with different vertical elastic rigidity under strip - beam 桩基条形承台梁与单排桩协同工作分析 |
| 4. | Due to the complexity of the behavior of pile capping beam widely used in the construction , the inverted continuous beam method is usually adopted in design methods to simplify the computation 条形桩基承台梁在我国现代建筑工程中应用极为普遍,其设计计算大多采用倒置的连续梁模式进行简化计算。 |
| 5. | According to the complex behavior of strip foundation beams of pile , the internal stress distribution of foundation beams is influenced by the indetermination and random of the bearing capacity of pile foundations under the beams 摘要在考虑基桩承载力差异性和桩土共同工作等因素的基础上引入随机优化分析理论,提出了基桩承载力随机生成的计算机方法,并采用遗传算法对承台梁内力进行随机分析。 |
| 6. | Supervised by ln this paper , the theoretic research of the pile - cap considered the interaction of soil - pile is introduced , which is the subsystem of the research of theory and method in optimized design of strip beam supported on piles , financed by hunan province ' s science foundation 结合湖南省自然科学基金项目《桩基承台梁优化设计理论与方法研究》 ,本文完成了其子课题- -考虑桩土共同作用的桩基承台理论研究工作。 |
| 7. | Consequently , on the basis of non - winkler foundation model , a finite - element method that utilizes foundation flexibility matrix into iterative calculation is proposed in this paper originated from the item " the optimal design theory and research of pile capping beam " sponsored by natural science fund of hunan province , which the continuity of soil mass can be accounted for under various boundary conditions , different loadings and irregular beam characters 本文结合湖南省自然科学基金项目“桩基承台梁优化设计理论与方法研究” ,针对非文克尔地基(半空间、线性变形层或单向压缩层地基模型等)上的桩基承台梁,提出一种利用地基柔度矩阵来进行迭代的有限单元法,可充分考虑梁下土体的连续性,并对基础与土体脱开、承台梁截面变化、梁体边界条件复杂、上部荷载类型变化以及梁下基桩承载力差异等情况进行分析计算。 |
| 8. | The behavior of capping beam that joints single rank of piles , which nowadays is widely applied to the construction in china , is complexly influenced by many factors . while conversed continuum beam pattern is primarily adopted in existent design methods to predigest computations , it still lacks of satisfaction as a result that it could n ' t reflect on the variance of piles and the infection of soil 条形桩基连续承台梁在我国现代建筑工程中应用极为广泛,其受力影响因素极为复杂,现行设计大多采用倒置的连续梁模式进行简化计算,其无法考虑基桩的差异性以及地基土体对承台梁的影响,计算结果难以令人满意。 |
| 9. | In addition , the computer method is proposed to get the stochastic pile capacity and the random optimum analysis is done in virtue of the genetic algorithm which can easily think over the influence of the randomness of pile capacity on the internal force of capping beam based on the thorough analysis about the primary factors influencing the randomness of pile capacity . an optimization program is worked out for the analysis which can consider the pile - soil - cap interaction and the non - linear character of the foundation soil 此外,本文对影响基桩承载力差异性的主要因素进行了深入分析,提出了基桩承载力随机生成的计算机方法,并采用遗传算法对承台梁内力进行随机优化分析,可方便地考虑基桩承载力随机性对承台梁内力的影响,并开发出能考虑桩?土?承台共同工作及地基土非线性特性的桩基承台梁内力优化分析程序。 |
| 10. | But this method could n ' t reflect the influence of the variance of pile capacity on capping beam internal force and the partaking of soil to the load . combined with the item " the optimal design theory and research of pile capping beam " financed by natural science fund of hunan province , a new method which can consider the pile - soil interaction and tide over the disfigurement of the winkler soil model is used to adjust the foundation base reactions in this paper . by this method , the proper solution about the internal force of capping beam can be achieved and the relative stiffness and the relative position of soil spring are thought out well 本文结合湖南省自然科学基金项目“桩基承台梁优化设计理论与方法研究” ,考虑梁下土体和基桩对承台梁的共同作用,提出了能对梁下地基反力进行自动调整的一种新型方法,其克服了文克尔地基模型所存在的缺陷,该法在调整过程中,充分考虑了梁下各土体弹簧之间的相对刚度,相对位置,更接近承台梁的实际工作情况,有利于获得承台梁内力的正确解答。 |