| 1. | The deliberation of calculating concrete crack width for steel lined reinforced concrete penstock
钢衬钢筋混凝土压力管道混凝土裂缝宽度计算问题的商榷 |
| 2. | Study on rational structure coefficient value of partial factors design expression for steel lined reinforced concrete penstock
背管分项系数设计表达式结构系数的取值研究 |
| 3. | Steel lined reinforced concrete penstock ( slrcp ) is raised by the experts of russia , which was firstly applied to hydropower station during 1960s to 1970s
钢衬钢筋混凝土压力管道应用于水电站工程始于二十世纪六十至七十年代，由前苏联水电专家提出。 |
| 4. | As the space structure of the steel liner - reinforced concrete penstocks of the three gorges is complicated , the two - dimension smear crack model is hard to reflect the real case . so , this paper establishes the smear crack model based on three - dimension
又因三峡水电站引水压力管道空间结构复杂，用二维的弥漫裂缝模式模拟是很难反映实际情况的，因而本文从三维角度来建立弥漫裂缝模式。 |
| 5. | This paper main discussed the numerical simulative technique of the crack about reinforced concrete . and in this technique , the crack extending in some typical cases about the steel liner - reinforced concrete penstocks of the three gorges hydroelectric station is analyzed
本文主要探讨了三峡水电站钢衬钢筋混凝土引水压力管道的裂缝数值模拟技术，并用它分析了管道在几种典型工况下的裂缝开展情况。 |
| 6. | As we all know that damage constitutional law of concrete is fit for solving mass little cracks situation , that fracture mechanics model is fit for solving only a few cracks situation , that separate crack model is only fit for dealing with those cracks whose locations is known firstly . but these situations do n ' t reflect the crack characteristic of the steel liner - reinforced concrete penstocks of the three gorges . so , this paper adopts the smear crack model to simulate crack
基于损伤力学模型更适合解决成群微裂缝问题，断裂力学模型更适合解决少数裂缝情形，离散裂缝模式只能解决裂缝位置预先知晓的情形，这些都不符合三峡水电站钢衬钢筋混凝土引水压力管道的裂缝特点，为此本文采用弥漫裂缝模式来进行裂缝的数值模拟，该裂缝模式能解决裂缝位置预先不知晓的情形，且能连续分析而无须重新划分网格。 |
| 7. | So , changing the material property of slrcp to decrease the crack width or to avoid the crack to happen is a good method . this method can keep the advantage of slrcp , and at the same time avoid its disadvantage . so , two new slrcp . is presented : steel lined steel fiber reinforced concrete penstock ( slsfrcp ) , steel lined steel fiber self - stress reinforced concrete penstock ( slsfsrcp )
基于此思路，提出了两种改性钢衬钢筋混凝土压力管道：即钢衬钢筋钢纤维混凝土压力管道、钢材钢筋钢纤维自应力混凝土压力管道，并进行了以下开创性的研究： l以三峡电站压力管道为原型，按相似比1 ： 10制作完成了常规钢衬钢筋混凝土压力管道、改性钢材钢筋混凝土压力管道模型。 |
| 8. | Because concrete crack will greatly affect the security of concrete penstock in hydropower station , the paper applies the theory of global optimization method to predict the maximum concrete crack width in steel - lined reinforced concrete penstock and bring forward a predicting model based on the theory of artificial neural network ( ann )
摘要基于人工神经网络的全局优化方法的基本理论，对钢衬钢筋混凝土压力管道外包混凝土结构裂缝预测进行了研究，提出了基于神经网络的管道混凝土裂缝预测模型。 |
| 9. | In order to ascertain stress behavior of steel lined reinforced concrete pipe accurately , according to the fundamental principle of non - linear computation of reinforced concrete elements , the steel lined reinforced concrete penstock on downstream dam surface in a hydropower station is calculated and analyzed , and the distribution of circumferential stress of the steel lined reinforced concrete pipe is obtained , it proves that it is safe and reasonable to use structures of steel lined reinforced concrete penstock in hydroelectric station construction , and can satisfy the requirement of project
摘要为了能够准确地把握钢衬钢筋混凝土管的受力性能，根据钢筋混凝土单元非线性计算的基本原理，对某水电站钢衬钢筋混凝土坝后背管进行了计算分析，得出了钢衬钢筋混凝土管环向应力的分布情况，分布情况说明了此水电站采用钢衬钢筋混凝土坝后背管的结构形式是安全合理的，可以满足工程要求。 |
