In accordance with the characteristics of multi - units and high - lift pump station and the application to the actual project , the main pumping house and the auxiliary pumping house are arranged in combination with the intake pond , and then the understructure is integrated with the main pump house ; with which the working space is fully used with convenient management and investment saving 摘要结合工程应用，针对多机组、高扬程离心泵站的特点，将主副厂房及进水池结合布置，下部结构与主厂房形成整体结构，既便于维护管理，又节省投资、充分利用空间。
Based on the vibration test in yantan hydropower house , in this paper the author adopt les method which belong to three dimensions unsteady turbulent flow numerical analysis to simulate vibration resource characteristics of hydrogenerator set , a harmonic vibration model of powerhouse substructure is put forward to carry out firstly a precise modal analysis and dynamic response analysis for generator floor . the numerical calculation results agree well with the surveyed data in situ 本文结合岩滩水电站厂房振动的试验研究，采用非定常湍流数值分析的大涡模拟方法进行混流机组水力振动振源模拟；提出一种水电站厂房下部结构简谐振动模型，首次进行了发电机层楼板结构的精确模态分析和水力激振荷载下的动力响应分析，各项计算结果与实测数据吻合良好。
Combined with the status of development and research of safety monitoring assistant decision - making system , and the character of runyang bridge , the model , model base management system , assistant decision - making and visualization of safety monitoring data of lower part structure of runyang bridge safety monitoring assistant decision - making system are studied widely 结合国内外桥梁安全监控辅助决策系统的研究与发展状况，根据润扬大桥工程的实际特点，对润扬大桥安全监控辅助决策系统的模型、模型库、辅助决策及下部结构监测数据的可视化等进行了广泛的研究。
Frame supported short pier shear wall structure with transition floors is a useful structure pattern with good ability in resisting seismic load . the lower part is frame with large opening column - grid while the upper part uses short pier shear wall with wide openings . so this structure decreases the difference between stiffnesses of lower part and upper part 带梁式转换层的短肢剪力墙结构,其下部结构为大开间的柱网框架,上部结构采用开洞较大的短肢剪力墙,有效地降低了转换层上下结构之间的刚度差异,因而是一种抗震性能较好的结构型式。
According to runyang bridge engineering , the oop technology is used to designing and developing runyang bridge safety monitoring assist decision - making system . the system makes the setting out surveying and safety monitoring of lower part structure runyang bridge realize intelligence data management , information analysis and assist decision - making . bridge management with reliable base is provided and the bridge construction qualities and safety status can be judged and decided 从润扬大桥工程实际出发，利用面向对象的程序开发技术，设计并研制了润扬大桥安全监控辅助决策系统，使润扬大桥工程的施工测量和下部结构安全监测实现智能的数据管理、信息分析和辅助决策，该系统能为管理部门对桥梁的施工质量和安全状况作出评判为辅助决策提供参考依据。
Before studying the concrete composite deck pavement , we introduce the basic theory of touching analysis , and come up with the realization of touching analysis in the fem analysis considering the touch of concrete bridge cover plates , asphaltum concrete overlay with bridge cover etc . connect with the experiment on the spot of bridge , the software ansys is used to solidity modeling and analyzing an assembly simply supported bridge before adding overlap , after adding overlap etc . , and study the influence of adding overlap on the underside bridge structures 在进行装配式混凝土简支板桥复合铺装结构的探讨性研究前，先介绍了接触分析基本理论，并提出了考虑混凝土桥面板板间接触、沥青混凝土加铺层与桥面接触等接触分析在有限元分析中的实现思路。结合一座装配式简支板桥现场试验数据，采用ansys对该桥在加铺前后进行了实体建模与计算分析，讨论了沥青混凝土加铺层对下部结构物的影响。
By statistically analyzing the test data , a regression formula has been attained . second , the influences of seismic wave , foundation of a bridge and the mechanical properties of lead - rubber bearing on the response of an isolated bridge with the lead - rubber bearing was investigated . several conclusions for properly applying lead - rubber bearing in isolated bridges have been made 其次，利用单墩模型，系统地研究了地震波特性、铅芯橡胶支座参数、桥梁下部结构特性及场地土特性等对隔震桥梁动力响应的影响，提出了在桥梁隔震中合理使用铅芯橡胶支座的一些建议。
It is necessary to carry on abnormal design , that is to disposal transfer floor structure where vertical structure changes . upside smaller room and downside larger room to stagger axes of high - rising buildings . or upside shear - wall and downside frame to meet difference of structure systems 当高层建筑下部竖向结构体系或形式与上部楼层差异较大，或者下部楼层竖向结构轴线距离扩大或上、下部结构轴线错位时，就必须在结构改变的楼层布置水平转换层结构，进行“反常规设计” ，将上部布置小空间，下部布置大空间；上部布置刚度大的剪力墙，下部布置刚度小的框架柱，以满足建筑功能的要求。
This paper , in allusion to damage of expansion joint of bridge , introduces a sort of new structure of jointless device - semi - integral abutment jointless bridge , and establishes model of general structure finite element of this bridge , and in details analyses its qualities of stress . the model considers the interaction of superstructure - substructure - soil . resistance of the soil behind abutment adopts still soil pressure and elastic resistance when the temperature rising , but active soil pressure when dropping . analysis of qualities stress of bridge includes of action of dead load , car load , temperature load of season character . taking an 100m length pc semi - integral abutment jointless bridge as instance , the paper establishes the model of plane frame by applying large common software - anasys , and analyses it by elastane and large deformation to imitate character of stress and deformation of general bridge . at the same time corresponding models of finite element of joint bridge and integral abutment bridge are established , and unique stress and performance of structure of semi - integral abutment jointless bridge are researched by comparing and analysing character of three different models under same loading , and controlling factor of design and constitution are generalized . in conclusion , for semi - integral abutment jointless bridge , on one hand shear , moment and deflection of the main beam and axis force of substructure are approximate with that of joint bridge , and integral stifmess of structure is increased and damage of expansion joint is eliminated , on the other hand there is axis force in main beam , shear and moment of substructure are bigger than that of joint bridge . in all this type of jointless bridge has rational stress and is worth of application and popularization 半整体式桥台无缝桥梁计算模型考虑了上部结构-下部结构-土的共同作用；台后土抗力升温时采用静止土压力加弹性土抗力，降温时采用主动土压力；分析桥梁受力性能时考虑了结构自重、车辆荷载和季节性温变荷载的作用。以一座桥长100mpc半整体式桥台无缝桥梁为实例，采用大型通用软件ansys建立平面框架模型，进行弹性、大变形分析，模拟全桥受力和变形特点；同时建立与此对应的有伸缩缝桥梁和整体式桥台无缝桥梁有限元模型，通过三种桥型同步加载对比分析，研究半整体式桥台无缝桥梁独特的受力特点和结构性能，总结其设计控制因素和构造要求。通过本文研究知：半整体式桥台无缝桥梁主梁的剪力、弯矩、挠度和下部结构的轴力与梁式桥相近，结构整体刚度增大，并除去了伸缩缝病害；但主梁增加了轴力，下部结构剪力、弯矩较梁式桥大；综合分析是一种受力合理有实践和推广价值的桥型。
In chapter 4 , the model - building principle and calculating method of finite element dynamic analysis for large - sized assembled structure are discussed . the substructure model for hydropower house vibration analysis is established to obtain precise modal of generator floor . the harmonic vibration assumption is adopted to calculate house structure ' s dynamic response from hydraulic excitation force of hydraulic turbine generator unit 第四章讨论了大型组合结构有限元动力分析的建模原则和计算方法，建立水电站厂房振动分析的下部结构模型，对岩滩厂房进行整体模态分析，较准确地得出发电机层楼板自振特性；同时引进简谐振动假定，迸行了机组水力振动作用下的厂房结构的动力响应分析。
