The analytical method combined mechanics computation with computer simulation , which bears the characteristics of less amount of calculation and strong in operability etc . thus provide a kind of effective method for designing carrying capacity of parallel robot 分析方法将力学计算和计算机仿真相结合，具有计算量小，可操作性强等特点，为设计并联机器人承载能力提供了一种有效方法。
Based on the data of japanese prefabricated steel column base , acted in accordance with the present steel structure code , the paper put emphasis on hk400b ' s column base . firstly , the mechanism of force - deformation was analyzed theoretically . then the corresponding mechanical model was established , and adopted the structure nonlinear analysis part of the ansys finite element software to calculate 本文以日本的预制铸钢柱脚的研究资料为基础，采用现行钢结构规范建议的铸钢材料，针对型号为hk400b的h形钢柱柱脚，首先对受力-变形性能机理进行理论分析，建立相应的力学计算模型，并利用ansys有限元程序软件中结构非线性分析部分来加以计算，得出在选择不同锚栓和底板厚度时铸钢柱脚的破坏形式以及柱脚的m - p -曲线，在此基础上对标准化柱脚设计提出了建议性方案，便于工程设计参考。
By series of linear and nonlinear mechanical analysis of the road pavement , and together with series of plate - bearing test and stress test in place , we elicit that marshall mix design method is not fitful for asphalt pavement design . the mechanical property between the asphalt layers is a problem of contact . the contact nonlinear finite element method can get more credible solution than linear finite element method or layer theory does 通过对试验段路面的线性、非线性力学计算和现场承载板试验得出：马歇尔试验不能如实反映实际路面的受力性能；沥青混凝土结构层之间通过接触传递应力，接触非线性模型比层状弹性体系模型更符合实际，接触非线性有限元计算结果可以较准确地反映实际路面的力学特性。
( 4 ) considering such actual difficulties as lacking of engineering data and discrepancy in managing level , four methods for damage assessment are proposed in the thesis based on expert knowledge , which are weighted average method , fuzzy comprehensive evaluation method , generalized quantification method and set pair analysis method to make useful supplements to the neural network method . disadvantageous effects , caused by dissimilarity of subjective factors such as every abstract expert ' s knowledge , level , discernment and emphasis on problem , are eliminated to some extent in each method . furthermore , there are not any complicate mathematic or mechanical calculations , and conclusion can be easily got only by some simple reasoning and comparing from experience ( 4 )考虑到工程资料少、管理水平不一的实际困难，建议了基于专家知识的加权平均法、模糊综合评判法、模糊广义量化法和集对论方法等四种损伤评估方法，作为桥梁损伤神经网络评估方法的有益补充，这些方法均能从一定程度上消除由于专家个人偏好、知识层次不同等造成的差异，且一般不涉及复杂的数学或力学计算，只需根据经验进行一些简单推理和比较就能得到结果。
Abstract : based on the analysis of pipe ramming procedure , thi s paper presented the method calculating the ramming resistance force according to the results of strata pressure and dynamic probing , and the method calculating displacement , li mit length of rammed pipe and max . pressure inside pipe according to wave dynami cs 文摘:分析了夯管锤夯入钢管的过程，提出了依据地层压力和动力触探结果计算夯入钢管阻力的方法；还提出了应用波动力学计算夯入钢管位移、极限钢管夯入长度及钢管内最大压应力的方法。
Especially for the longitudinal heat checking of tool joint , the hoop toughness criterion of tool joint material was put forward to prevent the heat checking . based on analysis for field failure cases , minimal hoop impact work by means of mechanical calculation has been obtained , which can be used to modify the relevant contents of api rp7g 特别针对钻杆接头纵向热裂问题，提出了控制接头材料的横向韧性判据，并以现场失效案例分析为基础，经力学计算初步确定了最低横向冲击功要求，可用于完善修订apirp7g推荐做法的有关内容。
First , the computation theory of the anti - sliding pile has been researched including interaction between the pile and the landslide , the mechanical model of the pile and the calculation method of the internal force of the pile with prestressed anchor cable . second , the internal force status , the mechanical computation model and the design method of the foundation beam with prestressed anchor cable have been analyzed . finally , by the example , engineering instance and the geology mechanical model test , the main results and conclusions deduced from the thesis have been compared and validated 论文首先对抗滑桩的相关设计计算理论进行了研究，包括抗滑桩与边坡岩土体的相互作用，抗滑桩的力学计算模型以及预应力锚索抗滑桩的内力计算方法；其次对预应力锚索地梁的受力状态、计算模型以及设计方法进行了分析研究；最后结合工程实例和地质力学模型试验对相关结论进行了分析比较、验证。
In view of bearing capacity of the elastoplastic theory analysis , the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion , and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative . in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects , the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith , and gathered the parameter of dynamic analysis and testing . the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world , i . e . the confirmation of batholith bearing capacity of pile end , from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f . e . m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test 然后，对岩土工程领域至今尚未解决，甚至不为人注意的考虑地基变形的地基承载力问题进行了实用化的探讨，提出了考虑地基变形的地基承载力上程计算方法；对基于弹塑性理论分析的地基承载力国内尚未见报道的空间问题得到了圆形基础(空间问题)的承载力界限荷载p _ ( 1 / 4 ) ，并与国内外土力学专著及地基基础设计规范中的条形基础(平面问题)的界限荷载p _ ( 1 / 4 ) ，进行了对比，从而定量上解释了目前设计规范引用土力学承载力公式值偏于保守的这一情况；根据本文作者多年从事现场地基工程振动试验及相关课题的研究工作，本文以截头锥模型模拟地基，对地基(岩基)承载力的动测法进行了研究，为各类地基(包括岩基) ，汇总了动力分析和检测川的参数：针对日前岩土工程界应用桩基设计规范中的难点? ?桩端岩基承载力的确定问题，从岩石室内单轴抗压强度确定、基于弹塑性模型的有限单元法计算、土力学计算及深斤载荷试验四方面进行了深入讨论；本文作者根据多年现场载荷试验的工程实践，对深井荷试验装置的核心部分? ?反力装置，设计了侧壁支撑反力加载系统，该加载系统具有实用、简便、稳定及安个等优点。
Based on the tests of multi - ribbed composite wallboard , the characteristic of wallboard under different loading states have been analyzed in this paper , the corresponding mechanics computational models have been proposed , the multi - ribbed composite wallboards have been equivalent to uniform silicate wallboards , the practical calculated formulation on elastic - stiffness of multi - ribbed composite wallboard has been proposed , the calculation results accord ell with the tests results , so that the proposed formulation can be used in practice 摘要在密肋复合墙板试验研究的基础上，分析了密肋复合墙板在不同受力状态下的受力特点，提出了相应的力学计算模型，并采用刚度等效原则将密肋复合墙板等效为均匀的硅酸盐板，建立了密肋复合墙板弹性刚度的实用计算公式，计算结果与实测结果符合较好。
( 2 ) respectively by elastic theory analyses and methods of structural mechanics , transverse static analytical equations for flexible pipeline rigid pipeline are established whose outcomes are applied in numerical example to compare those with that by finite element method . ( 3 ) considering interaction of filled soil , pipeline and foundation , with an eye to non - linear soil model , in view of the initial geo - stress field and the effects of interface between soil and pipeline , and by finite element method the calculational model and method are built for transverse stress in pipeline . then , by the great finite element analytical software ansys , those outcomes are applied in calculation example of positive buried pipe to educe the distribution of circumjacent soil pressure and stresses on cross section and to compare it with that calculated by conventional ways before those outcomes are applied in engineering case of positive buried pipe with flexible filled materials to confirm distribution of soil pressures after the measure for reduction and to compare it with measurements . as a result , the model set up in this paper is proved to be applicable after all above - mentioned analyses 本文基于弹性理论和有限元原理与方法，分析了上埋式地下管道横向力学计算方法和性状并探讨了上埋式地下管道的减荷等问题： ( 1 )在分析现有几种典型的管道垂直土压力计算方法的基础上，探讨了影响垂直土压力的主要因素以及改进的方法； ( 2 )分别通过弹性理论分析法和结构力学的方法，建立了地下管道柔性圆环和刚性管涵的横向静力计算方程，并应用在算例中，把所得结果和有限元方法所得结果进行对比分析； ( 3 )考虑填土、管道和基础的共同作用、土体的非线性特性、初始应力场以及土体和管道的接触面因素的影响，利用有限元的思路，建立了地下管道横向力学有限元计算模型和方法，并且采用大型有限元分析软件ansys ，针对上埋式管道工程算例，得出了管周土压力以及管道横截面应力的分布状况和规律，并和理论值进行对比；针对施加柔性填料的上埋式管道工程实例，得出了减荷后的土压力分布，并和实测值进行了对比。
