变形特征

• On the basis that characteristics of every forming methods have been summarized and concluded , according to the moving relationship between working parts of die and block , it is proposed the successive partial plastic forming methods for groove have been divided to two kinds of basic deformation styles , rolling and splitting extrusion
  在总结归纳各种方法变形特征的基础上，根据模具工作部分与坯料之间的运动关系，提出槽的连续局部塑性成形可划分为滚轧与劈挤两种基本变形方式。
• At last , applying - the methods mentioned before , this dissertation analyses the interaction among the structure , bolt and rock foundation of miter gates " support structure in three george project ' s forever lock , and draws conclusions of each part ' s mechanics characteristics . these results are very useful to the design of the project
  最后，作为工程应用实例，对三峡船闸人字门支持体结构-锚杆-岩基的相互作用进行了计算分析，得到了各部分的变形特征和应力规律，给工程设计提供了一些具有实用价值的参考依据。
• Through the research on the development character of overthrust fault , we analyzed its sealing mechanism . we also established evaluation standard and method of fault sealing ability through the following two simulation experiment : experiment on the quantitative relationship between property of fracture zone filler and fault sealing ability ; experiment on the deformation character of cream shale . based on these work , we evaluated sealing ability of overthrust faults on several typical structure in kuche depression
  本文通过逆掩断层发育特征研究，分析了逆掩断层封闭机理，在断裂带填充物性质与断层封闭性定量关系模拟实验和膏泥岩变形特征模拟实验基础上建立了断层封闭性评价标准及评价方法，以此对库车坳陷几个典型构造上逆掩断层垂向封闭性进行了评价，结果表明现今断层多是封闭的，这是库车塌陷天然气和异常孔隙流体压力得以保存的主要条件。
• For the first time , based on frame structure with large thick raft plinth and many engineering examples , analytic method of interaction that means the analysis on three parts above as a whole with a full consideration of interaction thereof that met the need of the deformation correspond on the boundary was used to research on the interaction of structure and groundsill in this paper . and five models were adopted , which were : ( 1 ) a tube with symmetrical double - axis structure and symmetrical loads , ( 2 ) two tubes with symmetrical double - axis structure and symmetrical loads , and ( 3 ) a tube with symmetrical single - axis structure and symmetrical loads , and ( 4 ) two tubes with symmetrical double - axis structure and unsymmetrical loads , and ( 5 ) two tubes with unsymmetrical structure and loads . based on the middle - thick slab theory from mindli and the model for groundsill from winkle , the deformation character of raft foundation and the distributing rule for resisting force of fundus were studied in details by using b ig - style fem ( finite element member ) software , ansys
  本文结合了大量的工程实例，以大底盘框架厚筏结构形式为研究对象，针对单个和多个塔楼布置于同一个大底盘框架厚筏基上的复杂结构体系，分( 1 )一个塔楼：结构布置双轴对称，荷载对称的情况； ( 2 )两个塔楼：结构布置双轴对称，荷载对称的情况； ( 3 )一个塔楼：结构布置单轴对称，荷载对称的情? ； ( 4 )两个塔楼：结构布置双轴对称，荷载不对称的情况； ( 5 )两个塔楼：结构布置和荷载均不对称的情况等五种组合情况，全面系统地探讨了上部结构?基础?地基相互作用的大跨度基础、基础板变形特征及其基底反力的分布规律。
• Detailed structural information and specimens of tectonic rock had been collected in the outcrop sections along the fault zone , and deformation feature and superposition about the tectonic rocks were analyzed , and paleotectonic stress field was also analyzed by stereograms illustrating of joints in the following work
  在室内对构造岩进行了变形特征和变形叠加分析，对断裂带典型共轭剪节理作主应力轴图解分析了古构造应力场。进而探讨了紫荆关断裂带的构造活动特征。
• The full range analysis from cracking to crashing of box girder are conducted in detail to ascertain the response for the structure to load , and the parametric study about the shear lag of box girder within the nonlinear stage has been finished and some profitable conclusions have been obtained as well
  利用所开发的有限元程序详细研究了钢筋混凝土薄壁箱梁从开裂、钢筋屈服直到破坏这一全过程中结构的受力及变形特征，籍以分析各个阶段的结构受力反应和极限承载能力，并且对箱梁的剪力滞效应进行了系统的参数分析。
• Focused on the former in this paper , the fissures of expansive soils regarded as most important characteristics are analyzed through laboratory test , field observation and numerical simulation . scheduled experimental researches are carried out on quantificational description of fissures , healing of fissures during infiltration , seepage characteristics of fissures network and strength characteristics of fissured soil . based on tests results , numerical models for fissures network seepage and unsaturated fissured expansive soil consolidation are developed and applied to a finite element method analysis of an expansive soil slope during infiltration under different fissures states
  本文着重研究前者，将膨胀土的裂隙性作为反映土体性状的主要方面，通过室内试验、现场观测以及数值模拟分析方法，对裂隙的观测手段与定量化描述、浸水愈合特征、裂隙网络渗流特性、裂隙土体强度特性等方面进行了全面系统的试验研究，在此基础上建立膨胀土边坡裂隙网络入渗的数学模型和非饱和裂隙膨胀土固结的数学模型，并应用数学模型对降雨入渗条件下不同裂隙发育状态时膨胀土边坡中水气运移、强度与变形特征进行了有限元数值分析。
• Effect on the characteristics of fatigue life of composite soils and dynamic modulus were discussed . the deformation behavior of stabilized soil on static and dynamic loading were compared . the characteristics of frequency spectrum of composite soils were analyzed in the thesis
  对水泥?水玻璃加固土进行循环荷载下的疲劳试验研究，分析水泥?水玻璃加固土的疲劳寿命及其影响因素，以及固结土的动模量特征，并对水泥土在动、静荷载作用下的变形特征进行比较，分析对比不同振幅与频率的动荷载作用下的水泥加固土的应变响应及其频谱特性。
• According to test results , author analyses deformation characters and its rules of prestress anchor cable composite soil nail supporting and pile anchor composite soil nail supporting , studies work mechanism of prestress anchor cable composite soil nail supporting structure , explores change regularity of inner force of soil
  三、对预应力锚索复合土钉支护结构进行了大量全方位的现场原位测试试验。根据试验测试结果来研究分析预应力锚索复合土钉支护结构和桩锚式复合土钉支护结构的变形特征及规律。