| 1. | During elastic - plastic stage , the wall was equaled to a rigid frame - oblique compression bar model . during failure stage , the wall was equaled to a beam - hinged frame 弹性阶段一一复合材料等效弹性板模型;弹塑性阶段,一捆lj架斜压杆模型;破坏阶段一一梁铰框架模型。 |
| 2. | Based on the analysis , the deforming process of the intact loess is divided into three stages because of its special structure . in the first stage , its original structure is intact on the whole 分析得知:原状黄土由于结构性的影响,其变形可以明显的分为三个阶段:结构基本完好阶段、结构破坏阶段、重塑阶段。 |
| 3. | The evolution of the jurassic petroleum system can be divided into three stages : the forming stage in the late jurassic , the adjusting - destroying stages in cretaceous , and the activating - reconstructing stage in tertiary 在此基础上,提出侏罗系含油气系统经历了侏罗纪晚期形成阶段、白垩纪调整?破坏阶段和第三纪活化?再建阶段。 |
| 4. | Yanqi basin is stituated between tarim basin and tarpan - harmi basin . its petrolenm system underwent the formation and destruction during jurassic - cretaceous , the activation and reconstruction during tertiary - quaternary 焉耆盆地位于塔里木盆地和吐哈盆地之间,其含油气系统经历了侏罗纪-白垩纪的形成与破坏阶段和第三纪-第四纪的活化与再建阶段。 |
| 5. | Thus the numerical analysis testifies that the service stages of the pre - stressed and hollow concrete slabs with mid - strength spiral - ribs steel wires can also be separated to the elastic stage , cracking stage and failure stage 数值分析程序验证了中强螺旋肋钢丝预应力混凝土空心板的工作阶段也可分为弹性工作阶段、带裂缝工作阶段和破坏阶段。 |
| 6. | The evolution of the carrying system has been undergone three stages : the formation and destruction of lateral carrying system , the evolution of vertical carrying system and the completion of three - dimensional network carrying system 它们的发育演化经历了侧向输导系统的形成演化和破坏阶段、垂向输导系统的发育和形成阶段以及三维网络输导系统的发展完善阶段。 |
| 7. | The results revealed that the fatigue degradation of the material includes three stages : micro - crack appearing at initial stage , a long process of crack propagation and fatigue . failure of the material after suffering the extraordinary degradation of stiffness 结果表明,材料的疲劳衰变主要分为3个阶段:产生小裂纹的初始阶段;损伤累积扩张阶段;材料刚度加速退化,疲劳破坏阶段。 |
| 8. | In this paper , according to the typical example of deformation and destruction on slope with plane rotary motion , the characteristics of slope deformation , destruction , their relations and differences and criterion to judge stages of slope deformation and destruction are studied 本文根据坡体平面旋转变形破坏的典例,讨论其变形、破坏的特点、关系与区别,以及坡体变形、破坏阶段的判断。 |
| 9. | The wall was equaled to an elastic composite slab with silica bricks as main body and concrete rib beams , columns and outer frame as reinforcing fiber . ( 2 ) elastic - plastic stage . the wall was equaled to a rigid frame - oblique compression bar model in which concrete frame was equivalent to a rigid frame while silica brick was equivalent to a oblique compression bar ( 1 )弹性阶段? ?将墙体视为一种以轻质砌块为基体,混凝土肋梁、肋柱、外框为增强纤维的复合材料等效弹性板; ( 2 )弹塑性阶段? ?将墙体视为一个由钢筋混凝土刚架和与之铰接的砌块等效斜压杆组成的刚架斜压杆组合模型; ( 3 )破坏阶段? ?将墙体视为肋梁严重破损的梁铰框架模型。 |
| 10. | By means of inquisition , the paper analyzes the causes of cement concrete pavement damage in earlier period , divides its damage into stages and analyzes the damage mechanism in theory , then puts forward relevant countermeasure for all stages . on base of these , by studying large quantity of experiments indoors combined testing road , the technique of pressing mortar under cement concrete plank and changing pavement plank , the material used to quickly repair pavement and system for draining off water are analyzed and researched in detail from principle to craft . at same tune , all kinds of repairing material and technique adaptable to cement concrete pavement are put forward 本文通过对水泥混凝土路面破损的调查,分析了造成水泥混凝土路面早期破损的原因;划分了水泥混凝土破坏阶段,对不同阶段的破坏机理进行了理论分析,并相应的提出了各阶段的维修养护对策;在此基础上,通过大量的室内试验并结合试验路的研究,重点对水泥混凝土板底压浆技术、水泥混凝土路面的换板技术、水泥混凝土路面的快速修补材料以及对水泥混凝土路面的排水系统从技术、原理到材料工艺进行了详细研究和理论分析,提出了适应各种水泥混凝土路面破坏的修补材料和修补技术;最后本文还对修筑水泥混凝土路面提出了具有指导性的建议。 |