pull out test造句
例句与造句
- Rubber , bulcanized - determination of adhesion to single - pull out test
硫化橡胶与单根钢丝粘合力的测定抽出法 - Study on interaction characteristics between geosynthetics and fill materials by pull out tests
土工格栅与土界面特性的试验研究 - Avalanche protection systems . passive concentrated anchorages for soft ground . pull out tests method
雪崩防护系统.软地无源集中的锚地.固着力实验方法 - Hence , it is essential to quantify the interaction characteristics , which can he done by making direct shear and pull out tests
因此利用直剪试验和拉拔试验研究土工合成材料与土的界面作用特性是非常必要的。 - In the first part of the research , fem simulations are carried out in the study of the failure process of a single fiber composite in the pull out tests
论文的第一部分是对单纤维增强复合材料的抽拔破坏过程所进行的有限元法的模拟和讨论。 - It's difficult to find pull out test in a sentence. 用pull out test造句挺难的
- Soil reinforcement - backfilled structures reinforced with extensible and flexible reinforcing strips - part 1 : pull out test of reinforcing strip by loading step
土壤加固.用可伸展的软增强带材加固回填结构.第1部分:用荷载梯进行增强带材的固着力试验 - ( 1 ) systematic triaxial compression tests are made for the sand reinforced by various national geosynthetics . comprehensive investigations into the interaction characteristics are also made between sand / lime fly ash and various national geosynthetics by direct shear tests and pull out tests , which can help choosing geosynthetic type and understanding the geosynthetic reinforcement mechanism ; ( 2 ) this paper is also firstly systematically presents the results of a comprehensive investigation into the interaction characteristics between lime fly ash and various national geosynthetics ; ( 3 ) by non - linear fem , the influence of the modulus of geosynthetics , the thickness of the soft ground and the width of the foundation on the effectiveness of geosynthetic reinforcement are also studied ; ( 4 ) the main conclusions are as followed : ( geotextiles are likely to be suited for projects allowing high displacement , polyester warp knitting geogrids and oriented geogrids for projects allowing medium displacement , glass fiber geogrids for projects allowing low displacement and geonets for secondary projects . ( the confining effect of fill material to act on different kinds of geosynthetics varies largely , which must be considered
( 1 )本文利用三轴压缩试验,比较各种国产土工合成材料对砂土的加筋效果;利用直剪试验和拉拔试验,比较各种国产土工合成材料与砂土或石灰粉煤灰的界面摩擦特性,深入研究土工合成材料的加筋机理,首次明确提出加筋土工合成材料的选型原则; ( 2 )本文首次系统地研究了石灰粉煤灰与各种国产土工合成材料的界面摩擦特性; ( 3 )本文采用有限元法,系统研究了加筋模量、软土地基厚度、基础宽度等因素对土工合成材料加固软土地基效果的影响; ( 4 )本文主要结论如下: (无纺土工织物适合用于允许大变形的加筋土工程;涤纶纤维经编土工格栅和塑料拉伸土工格栅适合用于对变形有较严格要求的加筋土工程;玻璃纤维经编土工格栅适合用于对变形有严格要求的加筋工程;土工网适合用于低等级的加筋土工程。 - These include the single fiber pull out tests , single fiber fragmentation tests , etc . however , experimental work is time consuming and its outcomes are not always repeatable , while analytical solutions are not usually available for solving such complex problems as the characterizations of the interfacial mechanical properties of fiber reinforced composites
目前在这一领域内常用的研究和分析方法有试验、解析法以及数值解法。但试验方法费时费力,结果的可重现性较差,而且对纤维增强复合材料的界面问题几乎无法得到解析解。 - Research work described in this dissertation consists of four parts : application of finite element methods ( fem ) in the study of pull out tests of single fiber reinforced composites ( sfrc ) , fem study of fragmentation tests for single fiber reinforced composites , monte carlo simulation of fragmentation tests for single fiber reinforced composites , and a simulation of impact failure behaviors of fiber composites with a mesh free method - the sph method
全文论述从四个方面展开的工作:单纤维复合材料抽拔试验的有限元数值模拟,单纤维复合材料逐节断裂试验的有限元数值模拟,蒙特卡罗方法模拟单纤维复合材料受拉破坏过程,无网格sph算法在复合材料受冲击破坏过程中的v _ ( 50 )数值模拟。 - Based on the pull - out tests data between geogrids and expansive soil / sands arranged by the orthogonal table l9 ( 34 ) , the following conclusions are reached : 1 ) the displacement - properties of pullout tests depend on the pullout speed . the law of factors " affecting degree , which influences the parameters between geogrids and soils in the pulling - out procedure , is obtained . with the concept of " equivalent pull - out displacement ( x ) " brought forward , the whole process of pull out tests is divided into two process - " main process ( when x 1 . 0 ) " and " residual process ( when x 1 . 0 ) " , and three stages - static friction resistance stage , slip friction resistance stage , and residual friction resistance stage
基于正交设计表l9 ( 3 ~ 4 )分别安排了影响因素与土工格栅膨胀土或砂土界面相互作用参数的拉拔试验数据,获悉: 1 )拉拔试验位移特性主要取决于影响因素中拉拔速率;通过分析并获取影响因素对筋土界面相互作用参数的影响程度及其在拉拔试验过程中的变化规律,提出了当量拉拔位移( x )的概念,并据此将拉拔试验全过程划分成“主过程( x 1 . 0 ) ”和“残余过程( x 1 . 0 ) ” ;且将影响因素对拉拔力或摩擦阻力系数的影响程度分成三阶段(静摩擦阻力阶段、滑动摩擦阻力阶段,残余摩擦阻力阶段) ; 2 )不同(规范)定义的筋土界面摩擦阻力系数数值相差较大,但影响因素对摩擦阻力系数影响程度及其变化规律不会因不同(规范)定义而受到影响。 - Although numerical methods have frequently been used in the study of frc , theoretical analyses of such test methods as pull out tests and single fiber fragmentation tests , seemingly simple , remain to be challenging problems . problems arise when other factors are considered in connection with the various numerical models . these factors include nonlinearities in the properties and / or geometries of the materials , influences of such environmental conditions as temperature ( which is also to be studied in the present work )
本论文正是针对以往研究中的不足,在对纤维增强复合材料破坏问题进行数值模拟的研究中,综合考虑了纤维和基体材料的非线性效应、纤维和基体材料受外载发生大变形时的几何非线性,以及纤维基体之间界面脱粘时接触单元的非线性效应。