思考考虑的英文短语

思考考虑的英文短语（共7篇）（共7篇）

1.思考考虑的英文短语 篇一

最终裁决 final ruling;

最终彩色图像 final colour picture;

最终产品 {工} final products; end product; end item;

最终产物 end product;

最终产物阻遏 end product repression;

最终沉降 final settlement;

最终成分 an ultimate constituent;

最终乘积 final product。

2.思考考虑的英文短语 篇二

1.1 Soil

Soilbelongstoparticlematerialwhosecompressionstrengthexceedstensilestrength.Whensoilbears shearingforce,itsvolumewillexpandwhicharenotfit forthen ormalVonM isesyieldingr ule.H owever Drucker-Pragery ieldingr ulec ane xactlydescribe strengthruleofsoil.BasedonVonMisesrule,Druckergetexactresultsinanalysis.

Drucker-Pragerrulecanbedescribedasfollowing

Inequations(1)—(3),σεrepresentsequivalent stress,σyrepresentsyieldingstress,βrepresentsmaterialconstant,σmrepresentsaveragestress,{S}representsdeviatonicstress,[M]representsconstantcoefficientmatrix,r epresentsinnerfrictionangle,crepresentscohesivestrength.

Byreferencedata[1,2],forthisanalysisthesoil canbeconsideredasclaysoil,valuesofitsparameters are:bulkdensity:γ=1 9 80kg/m3,elasticratio:E=171MPa,porosityratio:e=7 5.2%,saturationwatercontent:27.6%,cohesivestrength:c=3 6KPa,inner frictionangle:=1 6°.

1.2 Wall

AccordingtoCodeforDesignofMasonryStructures(GB5 0003—2 001),averagestrengthofthewalls canbedescribedasfollowing:

Inequations(4)and(5),fmrepresentscompressionstrengthofthewalls,frepresentstensilestressof thewalls,f1=3 2 25kPawhichrepresentscompression strengthofbrick[3],f2=1 MPawhichr epresents compressions trengtho flimem ortar[4].Considering k1=0.78,α=0.5andk2=0.6+0.4f2whichareall providedbyCodeforDesignofMasonryStructures,by solvingequations(4)and(5),itisobtainedthatfm=1.502MPaandf=0.250MPa.

2 FiniteElementModel

2.1 MaterialSimulation

InthispaperANSYSprogrami stakenforanalysis.ThesoilissimulatedbyelementSOLID9 5whose shapeisshowni nF ig.2,where,I,J,K...represent nodenumbersand(1)—(6)r epresentpressurefaces.Theelementisdefinedby20nodeshavingthreedegreesoffreedomp ernode:translationsinthenodalx,y,andzdirections.Theelementmayhaveanyspatial orientation.Italsohasplasticity,creep,stressstiffening,largedeflection,andlargestraincapabilities.

Ontheotherhand,elementSOLID4 5isusedto simulatewalls,asshowni nF ig.3,whereI,J,K...repres-entnodenumbersand(1)—(6)r epresentpressurefaces.Theelementisdefinedbyeightnodeshavingthreedegreesoffreedoma teachnode:translations inthenodalx,y,andzdirections.Theelementhas plasticity,creep,swelling,stressstiffening,largedeflection,andlargestraincapabilities.

Consideringtheinteractantbetweenwallsandsoil(seefig.4),contactanalysiswillbecarriedout.The soilisconsideredascontactpartwhichissimulatedby elementCONTA1 73,theinnersidesofwallsareconsideredastargetpartsanda resimulatedb yelement TARGE1 70.Basedonconditionsaboveface-to-face contactpairsarebuilt.

2.2 Buildingmodel

AccordingtoBuildingCodeforChineseAncient buildings[5],heightofeachcornerwallis1 0m,whose bottomw idthis1.5m,considering1/10entadincline value,thetopwidthis0.5m,asshowninfig.4.Onthe otherhand,fromp lanview(seeFig.1),theanalysis scopeincludesfillingarea(30.5×2 9.9m2)and5 m lengthofwallroadsintwoorthogonaldirections.Consideringboundaryconditionsasfixedrestriction,finite elmentmodelsforthewallsandsoilarebuilt,asshown infig.5.

3 ContactAnalysis

Bycontactanalysisitisfoundthatafterconsideringweightofadditionalrelics,peakvalueofverticaldeformationofsoilincreasesfrom6.61mmt o6.77mm;Forcornerwallspeakdeformationvaluesincreasefrom3.94mmt o3.99m mi nlev eldirectiona ndf rom1.09mmt o1.1mmi nverticaldirection.Ontheother hand,locationsofpeakvaluesofdeformationforboth soilandwallschangelittle.Thustheadditionalloads ont hesuperstructurehavelittleeffecttothecorner wallsind eformation.fig.6—f ig.8 showd eformation statusofwallsandsoil.

Resultsofinnerforcesforcornerwallsaftercontactanalysisarelistedintable1.Itisclearthatafter consideringadditionalloadsofrelics,bothpeakvalues ofprincipaltensilestressandc ompressions tressincrease.Fortensiles tressafterconsideringa dditional loadspermissiblevalueisexceededwhichmeansthe wallsmaybedestroyedfortensilestrengthfailure.Thus forprotectionofthecornerwallsadditionalrelicscan notbestoredinthesuperstructure.

Fig.9showsvariationofstressvaluesforwallsectionAB(notedinfig.5a)alongthewallheightdirection,whereYrepresentsconsideringadditionalloads,N representsno-consideringadditionalloads.Itisobvious thataswallheightincreases,bothtensileandcompressions tressesdecreasew hetherconsideringa dditional loadsornot;Ontheotherhand,afterconsideringadditionalloadsincreaseofcompressionstressisnotsoobviousasthatoftensilestress.Asmaximumv alueof tensilestressreaches0.31MPainfig.9(a)atbottom ofthewall,destructionmayoccurneartheposition.

4 Conclusion

Afterconsideringadditionalrelics,deformationof bothc ornerwallsands oilchangelitt le;Forcorner walls,peakcompressionvalueincreaselittlebutpeak tensilevalueincreasesmuchwhichexceedspermissible value.Thusadditionalrelicsa ren otadvisedt ob e storedint hesuperstructureofcornerwallsfortheir safety.

摘要：为保护古城墙,以故宫角楼位置的城墙为例,研究了角楼内增设文物对城墙的受力性能影响。利用ANSYS仿真技术,根据城墙砌体及城土的力学参数,建立了角楼处城墙有限元模型,进行了接触分析。通过分别考虑角楼内增设文物前后两种工况,研究了城墙的内力和变形,获得了不同条件下角楼处城墙的承载能力。结果表明:角楼内增设文物前后,城墙的变形及压应力变化不大,且在容许值范围内;但城墙的主拉应力峰值在增设文物后超过容许值。因此,从保护文物角度上讲,现有角楼处城墙承载性能已达到正常使用极限状态,不适宜存放增设文物。

关键词：古城墙,附加荷载,接触分析,ANSYS仿真

参考文献

[1] Bai Lijuan,Wang Jingfu.Base of the Forbidden City.Symposium ofChinese Forbidden City Institute(Vol 1).Beijing:Forbidden CityPress,1997:238—252

[2] Chen Xizhen.Soil mechanics and geotechnical engineering.Beijing:Qinghua University Press,2005:163—165

[3] Zhao Junhai,Yang Songyan,Yu Maohong.The dynamic analysis forthe city wall of East Gate In Xi'An by the finite element method.Jour-nal of Northwestern Institute of Architectural Engineering(NaturalScience),1999,16(4):1—5

[4] Gao Jiubin,Yuan Jianli,Fan Hua.Research on structural safety evalu-ation of the ancient brick-timber pagoda.Building Structure,2006,36(1):85—88

3.注意留心的英文短语 篇三

下次注意留心看住我。

Mind and look sharp after me the next time.

北方居民，尤其是吉林省人民，在下雪时应注意留心交通警告。

Residents in the northeastern regions, especially in Jilin Province, should pay heed to traffic warnings when it snows.

在今年夏季旅行中，我们可能会比平常更多地注意地图，和留心我们的各项跟踪装置，以便找得我们想要去的地方。

4.表示代替的英文短语 篇四

我不想在生活中忙忙碌碌，而想做更有意义的事。

They raised prices and cut production, instead of cutting costs.

他们提高了价格，减少了产量，而没有削减成本。

We were still playing at war – dropping leaflets instead of bombs.

5.表示照顾的英文短语 篇五

自己应该照顾自己。

When she finished work she had to hurry home and look after her son

她下班后就得赶紧回家照顾儿子。

I mean to look after my body.

我得多注意身体。

I know the Lord will look after him

我知道上帝会眷顾他的.。

My duty is to look after the animals.

6.参加的英文短语怎么写 篇六

1、He is too young to join the army.

他太年轻了,还不能参军。

2、When did you join the air force?

你什么时候参加的.空军部队?

3、The regular troops of Baden joined the insurgents.

巴登的正规军参加到起义军方面来了。

4、John joined a football club a few days ago.

7.和某人团聚的英文短语 篇七

昨天晚上，她和她的子女团聚。

They were reunited after a separation of more than 20 years.

他们离别20多年后重又聚首。

It was a magic moment when the two sisters were reunited after 30 years.

30年后姐妹俩重逢，就像做梦一样。

There have been rumours that the band will reunite for a world tour.