The paper not only puts forward the calculating mode of the virtual employee stock owner and accounting management methods, but also analyzes the feasibility and necessity in the practice with the concrete cases 本论文不但提出了虚拟员工持股的计算模型与会计处理方法,并且结合实际案例分析了它在实践中的可行性与必要性。
1 . according to the examples of engineering practice, we can build up temperature-calculating modes of box section and then calculate temperature fields of box section by measuring the boundary conditions and restricting conditions . 2 1、结合工程实例,用有限元方法(ansys)建立箱梁截面的温度计算模型,由实测的边界条件和实际约束条件计算出箱梁截面的温度场。
By ansys, we can build temperature-calculating modes of p . c box girder t and then calculate the effect of temperature fields on the stress and the line deformation . 3 . adopt the spot-measure method 2、用ansys建立预应力混凝土箱梁t构的温度计算模型,由实测温度给定边界条件,分别计算出温度对预应力混凝土箱梁t构挠度的影响以及对预应力混凝土箱梁截面应力的影响。
In order to ascertain the character of cable-replaced bridge, in addition, the thesis calculates mode shapes and natural frequencies of the bridge using algor software and estimates the result of dynamic load test and calculation in details 为了评价换索后桥梁的工作特性,最后利用algor软件对换索后的结构进行了振型和自振频率分析,并对动载试验检测和计算成果作了详尽的分析和评价。
Via the practical engineering of improving the soft foundation with the low intensity piles composite foundation the field test study is done . these work is done : ( 1 ) the method of improving the soft foundation of the bridge approach with the low intensity piles composite foundation is summarized; ( 2 ) the field test method of improving the soft foundation of the bridge approach with the low intensity piles composite foundation is summarized; ( 3 ) the strain character of the low intensity piles composite foundation under the embankment load is studied; ( 4 ) the stress character of the low intensity piles composite foundation under the embankment load is studied and the differences of the pile-soil stress ration and what make them is discussed; ( 5 ) the calculating mode of bearing capacity of low intensity piles composite foundation is discussed 本文借助于低强度桩复合地基处理桥头深厚软基的实际工程,对低强度桩复合地基加固桥头软基进行了试验研究,做了以下工作:(1)对低强度桩复合地基加固高等级公路软基的方法进行了总结;(2)对低强度桩复合地基加固软基的试验方法进行了总结;(3)研究了低强度桩复合地基在堆载作用下的变形性状;(4)研究了低强度桩复合地基在堆载作用下的应力场特征,并对不同性质荷载作用下低强度桩复合地基桩土应力比进行了比较,分析了存在差异的原因原因;(5)对低强度桩复合地基承载力的计算方法进行了探讨。
Considering effect of damping ratio and frequency ratio to vertical amplitude of block foundation under dynamic action, this paper adopts calculating mode of mass-spring-damper and mass-spring to make account and analysis on the assumption of damping ratio and frequency ratio, then provides the range of damping ratio and frequency ratio by using two modes to calculate vertical amplitude of block foundation under dynamic action 摘要考虑阻尼比和频比对动力作用下块体式基础竖向振幅计算的影响,对质弹阻计算模式和质弹计算模式在设定的阻尼比和频比下进行计算分析,提出了在采用2种模式动力作用下块体式基础竖向振幅计算时的阻尼比和频比范围。
At the same time, this article chooses the network framework of its system by analyzing several basic kinds of network system structure . it utilizes network data base programming principle to discuss the visit technology of data base odbc, web data base middle pieces technology cgi, and characteristic of the calculate mode of asp c / s b / s, proposes the topological structure of network data base used in this system 同时分析了几种基本的网络体系结构,选择了系统的网络构架,利用网络数据库编程原理,讨论了数据库的访问技术odbc、web数据库中间件技术cgi和asp、cs及bs计算模式的特点,提出系统中应用的网络数据库拓扑结构。
Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form . through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon-mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment-curvature hysteretic loops of dougong structure and tenon-mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy-loss mechanism, nechanicalmode and failure mode were studied . aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc . based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account 依照宋代《营造法式》建造了抬梁式殿堂木结构构件及结构模型,对中国古代木结构中的典型构造如:柱脚在础石顶面平搁简支、柱架榫卯连接、柱高不越间之广、侧脚、生起、斗拱等的构造机理及结构功能进行了量化分析和实验研究:(一)通过木柱石础静摩擦试验,测定了柱脚与石础古镜面间的摩擦系数及摩擦力随上部结构荷载变化的规律;(二)通过单柱承载力试验,测定了古建筑中木柱的受力变形特征、破坏模式、及模型材料的变形模量、极限承载力、极限变形等参量;(三)通过柱架低周反复荷载试验,测定了柱架的抗侧移刚度、柱架恢复力特性及滞回曲线、榫卯张角刚度及其变化规律、柱架及榫卯的极限承载力和极限变形、及榫卯减振参数;(四)通过斗?低周反复荷载试验和受压试验,测定了古建筑木构件与木构件间摩擦系数,斗?抗侧移刚度,斗?恢复力特性及滞回曲线,斗?抗压极限承载力及受力变形规律;(五)通过抬梁式殿堂间架模型振动台试验,测定了殿堂木构架结构自振周期,地震反应振形、阻尼特性及阻尼比;按结构分层特点对柱脚、柱头和斗?层上的屋盖的地震反应采用多点同步测量,对柱根滑移、榫卯变形、斗?的变形、复位、耗能减振参数等进行了定量分析。
On the basis of relative researches in the world, according to the study status of steel-concrete composite slab, which would be widely used in modern bridge, modified equivalent inflexibility of steel-concrete composite slab was deduced by use of conversion section principle in this paper; based in this, this paper put forwards the theory of ultimate flexural capacity of steel-concrete composite slab in consideration of slip effect, and introduces the practical simplified method for calculating flexural deformation of steel-concrete composite slab in consideration of the effect of steel studs and welded wire, and conclude that the methods in this paper is veracious and reliable, comparing with the traditional calculating mode; morever, this paper put forwards the calculating theory and program of the effect analysis of creep and shrinkage to steel-concrete composite slab, using conversion elastic modulus principle, and testifies that the theory is right and the program is reliable and practical 本文在国内外研究成果的基础上,针对压型钢板与混凝土组合板结构在现代桥梁建设中广泛应用前景和研究现状,利用换算截面法导出了压型钢板与混凝土组合板结构的修正等效惯性矩;在此基础上,又推出了考虑压型钢板与混凝土之间的相对粘结滑移影响的压型钢板与混凝土组合板结构极限抗弯承载能力计算理论,并介绍了考虑栓钉、联结件影响的压型钢板与混凝土组合板结构简化实用挠曲变形计算公式,而且通过与传统计算理论的分析比较,表明本文提出的计算理论公式的准确可靠性;此外,采用换算弹性模量比法着重提出了压型钢板与混凝土组合板结构的徐变、收缩效应分析的计算理论和程序,并通过实例分析计算证明了理论的正确性、程序的可靠性和实用性。
(2 ) discussed technologies and the method to realize virtual enterprise information system put forward a practical method, using b / s enterprise calculating mode, http, soap and xml technology in this method ( 3 ) discussed the basic structure of virtual enterprise information database and the application software's functions of every enterprise departments (2)探讨了虚拟企业信息系统在internet上的实现方法及有关技术,给出了较为具体可行的方法,并在其方法中提出了采用bs企业计算模式、http、soap协议和xml技术来实现虚拟企业信息系统的构架。(3)论述了虚拟企业信息库的基本构成以及企业各部门应用管理软件的功能。