Qhov chaw truss qauv yooj yim ua tiav cov kab ntawv tsis pub dawb xws li ntawm 60 txog 150 meters, tsim kom muaj kev qhib siab thiab dav sab hauv. Beijing Capital Gymnasium txais qhov chaw truss qauv nrog qhov ntev ntawm 99 meters los ntawm 112.2 meters. Qhov kom zoo dua no ua rau qhov chaw truss lub ntsiab kev xaiv rau tshav dav hlau davhlau ya nyob twg ru tsev.
Zoo kawg nkaus economic efficiency.
Cov qauv nta qis steel noj thiab tswj tau tag nrho cov nqi. Cov hlau tso ntawm Hangzhou Renhe Grain Reserve Terminal siv ob txheej txheej square pyramid qhov chaw truss, nrog qhov siab tshaj plaws ntawm 95 meters, xa cov nqi tsim kho.
Zoo heev seismic kev ua tau zoo.
Ua tsaug rau qhov siab spatial stress redundancy, zoo ductility thiab lub teeb nws tus kheej-qhov hnyav, qhov chaw truss lug outperform ib txwm ua vaj tse nyob rau hauv av qeeg kuj. Raws li lub tsev loj loj hauv cheeb tsam seismic, Beijing Daxing International Tshav Dav Hlau Terminal yog nruab nrog 1152 cais bearings thiab 160 dampers kom muaj kev tiv thaiv zoo tiv thaiv av qeeg.
Flexible architectural styling.
Cov qauv tuaj yeem paub cov duab nyuaj xws li hyperboloid, dawb-dawb nto thiab nruam nthwv dej saum npoo, ua tau raws li qhov xav tau ntawm thaj chaw tsim qauv ntawm cov tsev pej xeem niaj hnub. Lub ru tsev loj ntawm Zhuhai Tshav Dav Hlau T2 Terminal txais yuav ntev-ntev sib txawv-curvature hyperboloid hollowed steel truss. Shenzhen Bay Sports Center muab ib txheej txheej latticed plhaub thiab ob txheej txheej nkhaus truss, ob qho tib si ua haujlwm zoo li cov qauv tsim qauv.
Tsis tas li ntawd, qhov chaw truss qauv tuaj nyob rau hauv ntau yam ntaub ntawv nrog rau lub ntsiab kev faib raws li nram no:
Classification Basis
Pawg tseem ceeb
Kev sib xyaw ua ke
Ob-txheej truss; Peb txheej truss
Kev them nyiaj yug
Kev them nyiaj yug peripheral; Kev txhawb nqa taw tes; Mixed peripheral thiab taw tes txhawb nqa
Qauv Txheej Txheem Hom
Hla truss system muaj li ntawm ob-txoj kev los yog peb-txoj kev dav hlau trusses; Spatial pyramid system tsim los ntawm daim duab peb sab lossis quadrangular pyramids
Number of Chord Layers
Ob-txheej truss; Peb txheej truss
Qhov ob-txheej qhov chaw truss, tsim los ntawm cov chords saum toj kawg nkaus, hauv qab chords thiab cov tswv cuab hauv lub vev xaib, yog daim ntawv pom zoo tshaj plaws.
Kev xaiv ntawm qhov chaw truss qauv yog txiav txim siab los ntawm ntau yam xws li lub tsev tsim qauv, kev tsim vaj tsev, kev thauj khoom, ncua sijhawm, kev txhawb nqa thiab kev tsim kho tus nqi.
Zuag qhia tag nrho, kev siv qhov chaw truss qauv ua rau tsim kom muaj qhov chaw loj dua nrog cov khoom siv tsawg dua. Tawm tsam keeb kwm yav dhau los ntawm kev txhim kho zoo thiab kev tsim kho ntsuab, qhov chaw truss ua haujlwm raws li lub hauv paus ntsiab lus ntawm cov vaj tse loj loj.