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1、七夕,古今诗人惯咏星月与悲情。吾生虽晚,世态炎凉却已看透矣。情也成空,且作“挥手袖底风”罢。是夜,窗外风雨如晦,吾独坐陋室,听一曲《尘缘》,合成诗韵一首,觉放诸古今,亦独有风韵也。乃书于纸上。毕而卧。凄然入梦。乙酉年七月初七。-----啸之记。一、科技资料原文:StructuralSystemstoresistlateralloadsCommonlyUsedstructuralSystemsWithloadsmeasuredintensofthousandskips,thereislittleroomi
2、nthedesignofhigh-risebuildingsforexcessivelycomplexthoughts.Indeed,thebetterhigh-risebuildingscarrytheuniversaltraitsofsimplicityofthoughtandclarityofexpression.Itdoesnotfollowthatthereisnoroomforgrandthoughts.Indeed,itiswithsuchgrandthoughtsthatthenewfa
3、milyofhigh-risebuildingshasevolved.Perhapsmoreimportant,thenewconceptsofbutafewyearsagohavebecomecommonplaceintoday’stechnology.Omittingsomeconceptsthatarerelatedstrictlytothematerialsofconstruction,themostcommonlyusedstructuralsystemsusedinhigh-risebuil
4、dingscanbecategorizedasfollows:1.Moment-resistingframes.2.Bracedframes,includingeccentricallybracedframes.3.Shearwalls,includingsteelplateshearwalls.4.Tube-in-tubestructures.5.Tube-in-tubestructures.6.Core-interactivestructures.7.Cellularorbundled-tubesy
5、stems.Particularlywiththerecenttrendtowardmorecomplexforms,butinresponsealsototheneedforincreasedstiffnesstoresisttheforcesfromwindandearthquake,mosthigh-risebuildingshavestructuralsystemsbuiltupofcombinationsofframes,bracedbents,shearwalls,andrelatedsys
6、tems.Further,forthetallerbuildings,themajoritiesarecomposedofinteractiveelementsinthree-dimensionalarrays.Themethodofcombiningtheseelementsistheveryessenceofthedesignprocessforhigh-risebuildings.Thesecombinationsneedevolveinresponsetoenvironmental,functi
7、onal,andcostconsiderationssoastoprovideefficientstructuresthatprovokethearchitecturaldevelopmenttonewheights.Thisisnottosaythatimaginativestructuraldesigncancreategreatarchitecture.Tothecontrary,manyexamplesoffinearchitecturehavebeencreatedwithonlymodera
8、tesupportfromthestructuralengineer,whileonlyfinestructure,notgreatarchitecture,canbedevelopedwithoutthegeniusandtheleadershipofatalentedarchitect.Inanyevent,thebestofbothisneededtoformulateatrulyextraordinarydesignofahigh-