pull out test造句
例句與造句
- Rubber , bulcanized - determination of adhesion to single - pull out test
硫化橡膠與單根鋼絲粘合力的測定抽出法 - Study on interaction characteristics between geosynthetics and fill materials by pull out tests
土工格柵與土界面特性的試驗研究 - Avalanche protection systems . passive concentrated anchorages for soft ground . pull out tests method
雪崩防護系統(tǒng).軟地無源集中的錨地.固著力實驗方法 - Hence , it is essential to quantify the interaction characteristics , which can he done by making direct shear and pull out tests
因此利用直剪試驗和拉拔試驗研究土工合成材料與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
論文的第一部分是對單纖維增強復合材料的抽拔破壞過程所進行的有限元法的模擬和討論。 - It's difficult to find pull out test in a sentence. 用pull out test造句挺難的
- 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.用可伸展的軟增強帶材加固回填結(jié)構(gòu).第1部分:用荷載梯進行增強帶材的固著力試驗 - ( 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 ）本文利用三軸壓縮試驗，比較各種國產(chǎn)土工合成材料對砂土的加筋效果；利用直剪試驗和拉拔試驗，比較各種國產(chǎn)土工合成材料與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機理，首次明確提出加筋土工合成材料的選型原則； （ 2 ）本文首次系統(tǒng)地研究了石灰粉煤灰與各種國產(chǎn)土工合成材料的界面摩擦特性； （ 3 ）本文采用有限元法，系統(tǒng)研究了加筋模量、軟土地基厚度、基礎(chǔ)寬度等因素對土工合成材料加固軟土地基效果的影響； （ 4 ）本文主要結(jié)論如下： (無紡土工織物適合用于允許大變形的加筋土工程；滌綸纖維經(jīng)編土工格柵和塑料拉伸土工格柵適合用于對變形有較嚴格要求的加筋土工程；玻璃纖維經(jīng)編土工格柵適合用于對變形有嚴格要求的加筋工程；土工網(wǎng)適合用于低等級的加筋土工程。 - 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
目前在這一領(lǐng)域內(nèi)常用的研究和分析方法有試驗、解析法以及數(shù)值解法。但試驗方法費時費力，結(jié)果的可重現(xiàn)性較差，而且對纖維增強復合材料的界面問題幾乎無法得到解析解。 - 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
全文論述從四個方面展開的工作：單纖維復合材料抽拔試驗的有限元數(shù)值模擬，單纖維復合材料逐節(jié)斷裂試驗的有限元數(shù)值模擬，蒙特卡羅方法模擬單纖維復合材料受拉破壞過程，無網(wǎng)格sph算法在復合材料受沖擊破壞過程中的v _ ( 50 )數(shù)值模擬。 - 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
基于正交設(shè)計表l9 ( 3 ~ 4 )分別安排了影響因素與土工格柵膨脹土或砂土界面相互作用參數(shù)的拉拔試驗數(shù)據(jù)，獲悉： 1 )拉拔試驗位移特性主要取決于影響因素中拉拔速率；通過分析并獲取影響因素對筋土界面相互作用參數(shù)的影響程度及其在拉拔試驗過程中的變化規(guī)律，提出了當量拉拔位移( x )的概念，并據(jù)此將拉拔試驗全過程劃分成“主過程( x 1 . 0 ) ”和“殘余過程( x 1 . 0 ) ” ；且將影響因素對拉拔力或摩擦阻力系數(shù)的影響程度分成三階段(靜摩擦阻力階段、滑動摩擦阻力階段，殘余摩擦阻力階段) ； 2 )不同(規(guī)范)定義的筋土界面摩擦阻力系數(shù)數(shù)值相差較大，但影響因素對摩擦阻力系數(shù)影響程度及其變化規(guī)律不會因不同(規(guī)范)定義而受到影響。 - 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 )
本論文正是針對以往研究中的不足，在對纖維增強復合材料破壞問題進行數(shù)值模擬的研究中，綜合考慮了纖維和基體材料的非線性效應(yīng)、纖維和基體材料受外載發(fā)生大變形時的幾何非線性，以及纖維基體之間界面脫粘時接觸單元的非線性效應(yīng)。