In this paper , systematic numerical test have been carried out to study the stability of surrounding rock mass with different distribution of weak interbed , different distance between weak interbed and limit of excavation , different thickness of weak interbed , in the different confining coefficient and representational surrounding rock mass graded ii , iii , iv . all of the numerical modeling is plain - strain type with elastic - plastic constitutive law and mohor - coulomb failure criterion , through the integrated numerical analysis program final . plentiful numerical test results have been drawn via analyse the deformation , tensile stress region , plastic region of surrounding rock and the stress status of shot - crete 大量的工程实践表明，软弱夹层对地下洞室围岩稳定性的影响有着决定性的作用，本文以大型数值仿真分析系统final为平台，采用弹塑性应力应变关系和m - c屈服准则建立平面应变问题有限元模型，对软弱夹层的分布部位、分布距离、软弱夹层的厚度对围岩稳定性的影响以及在具有不同侧压力系数的地应力场中和、 、类代表性围岩中软弱夹层对围岩稳定性的影响进行了系统的数值试验，研究得出了软弱夹层对围岩位移、拉应力区、塑性区以及喷射混凝土层内力等影响丰富的量化成果，以便直接为工程设计人员提供参考。
Based on a series of numerical analysis of steel tubular xk - type joints of various geometric parameters , the effect of the various geometric parameters on ultimate bearing capacity has been investigated . the regulations that the ultimate strength varies with geometric parameters and the destroying models of joints are obtained . the effect of stress of the chord on the ultimate strength is also investigated 论文在对不同几何参数的xk型空间汇交钢管节点进行大量算例分析的基础上，分析了各参数对节点极限承载力的影响，获得了极限承载力随各几何参数的变化规律以及节点破坏模式，考察了主管所受荷载对极限承载力的影响，提出了对工程设计有益的建议，供工程设计人员和修订规范时参考。
During 15 - year tough tempering in the market challenges and competitions , we accumulate lots of production experiences to satisfy various demands of our customers on manufacturing ( processing ) all kinds of plastic moulds . ? there are more than 20 special engineering technicians to ensure the powerful capabilities on designing and mould - making , as well as the advanced importing equipment e . g . 4cnc processing centers , 15 spark machine and several infection machines tor mould - making 本厂成立十五年来，经过艰苦的磨练和市场竞争的挑战，使本厂积累了丰富生产经验；本厂拥有专业工程设计人员20多人和一批经验丰富的专业技术人员，因而具有强大的设计和制模能力；本厂引进了国外的先进设备，拥有进口cnc加工中心四台、火花机十五台以及多台注塑料模具，能够满足新老客户的需求。
With researching deeply , some geotechnical researcher had been understood that the rlem which is mobility solving method is inaccurate . many scholars have done much works in researching on the error - range using the parallel analysis between rlem and others methods in some huge projects . however , it is not reported about the systemic and numerical analysis of this error range and mechanics mechanism 刚体极限平衡法作为各行业的规范指定方法，一直被工程设计人员普遍采用，随着研究的深入，不少分析研究人员均认识到刚体极限平衡法是一种不严密的可动解求解过程，存在较大的偏差，已有不少学者对这一方法在一些重要工程中应用的误差进行过对比分析研究，然而对这一方法的误差范围与其力学机理的系统量化分析研究尚未见报道。
In recent years , underground structures have been utilized widely in energy sources , traffic , communication , city construction , and national defending engineering , etc . as most areas of our country belong to earthquake - fortified regions , anti - seism and security evaluation of underground structures has important academic theoretical and practical value 近年来，地下结构在能源、交通、通讯、城市建设和国防工程等方面获得广泛应用。由于我国大部分地区为地震设防区，地下结构的抗震设计及其安全评价具有重要的理论意义和工程应用价值，成为工程设计人员日益关心的重要问题。
This paper mainly introduces technologies of bending carbon fiber reinforced plastic ( cfrp ) plates or fabrics to the web of reinforced concrete members , and also this paper discusses the design principles of carbon fiber reinforced plastic ( cfrp ) used in the reinforced concrete members , as well as considering the preload effect to the bending capacity of the reinforced concrete members . finally , a kind of new practical method is put forward , and may be a reference for practical engineering designer . in the meantime , this paper analyzes the " local failure " caused by shear and normal stress concentrations at the plate ends that can easily incorporated into design equations . furthermore , the bonding and anchoring conformation of concrete members strengthened by carbon fiber reinforced plastics also be set forth 本文重点研究碳纤维制成织物片材粘贴到混凝土表面用于结构的补强与加固的技术特点，从理论上探讨cfrp加固混凝土结构的设计原理，分析二次受力对加固结构的弯矩承载力的影响；同时对外贴碳纤维加固混凝土的抗弯和抗剪提供一种简单、实用的设计方法，供工程设计人员参考，对碳纤维布加固混凝土梁中出现剥离破坏也进行了分析，提供了最大剥离正应力的计算公式，以及对外贴cfrp加固结构构件的粘贴构造与锚固进行了阐述。
On the basis of the theory of high - rise building foundation scheme and design , making use of the technology of expert system ( es ) , the artificial neutral nets ( ann ) , and the decision support system ( dss ) , exercising the theory of object - oriented programming ( oop ) , the author has produced a tall building foundation intelligent decision support system ( tbfidss ) , which can support designers to scheme and design the foundations . it is proved to be practical , reasonable and effective by the test 本文在深入研究高层建筑基础选型及设计知识的基础上，借助专家系统（ es ） 、神经网络（ ann ） 、决策支持系统（ dss ）等理论，利用面向对象技术（ oop ）研制开发出一个能够辅助工程设计人员进行基础选型及设计的智能决策支持系统? ?高层建筑基础设计智能决策支持系统（ tbfidss ） ，并通过工程实例验证了该程序的实用性、有效性、可靠性。
The controlling devices , which move together with structures passively , produces the control - force of dampers , so this sort of passive controlling device which is simple , cheap , and stable , needs no extra energy . so more and more experts and engineering designers all over the world attach importance to it 由于这种耗能阻尼器的控制力是控制装置随结构一起运动而被动产生的，因此，这种被动控制具有装置简单，价格便宜，可靠性好，无需外加能源等优点，越来越受到各国专家学者和工程设计人员的重视。
This system can help to realize the scientific management of geological data and automatic construction and processing of mineral deposit model . its operation is simple , drawing is correct and its calculating precision is very high . therefore it has widespread adaptability 该三维模型仿真系统完全实现了各类地质数据的信息化管理以及矿床模型的自动生成与处理，不仅操作简单，而且绘图准确，计算精度高，具有很强的针对性和普遍适应性，为工程设计人员提供了一个新的操作平台。
The thesis predicted the form model and the key parts of the system , made a deep study in the intelligenlized hunting and management . then , from the design activities and experiments , the paper elicited the general design process about the designer and the engineer . based on the research , it probed the intelligenlized working model of the icaid system thoroughly 然后，通过对数控机床的造型设计实践活动的研究，相关的实验资料与实验结果分析，得出了工业设计人员与工程设计人员进行造型设计活动的一般程序，并在此基础上对系统的智能化实现形式与措施作了进一步的探讨。
