Kev txhim kho keeb kwm ntawm cov hlau pem teb lawj

1 thawj tiam:Qhib - Hom Hom Pem Teb Lawj

Thaum xyoo 1980s, qhib hom profiledHlau Pem Teb Decktau xub qhia nyob rau hauv Suav teb thiab tsuas yog siv rau Ru tsev txhawb nqa hauv cov qauv hlau qauv. Cov qhib hom profiled steel pem teb demk tsuas yog siv cov formwork pem teb tsuas yog siv ua ntu zus thaum lub sijhawm tsim nyog thaum lub sijhawm tsim khoom thiab tsis tau koom nrog hauv cov txheej txheem kev thauj khoom - bearing. Lawv muaj teeb meem xws li txo lub tsev ntshiab thiab cov kev tsim kho tsawg.

2 Lub Cim Thib Ob: Kaw - Hom Hom Pem Teb Lawj

Thaum xyoo 1990s, txhawm rau txhim kho cov hluav taws kub tiv thaiv hluav taws kub thiab corrosion tsis kam, engineers tsim semi {1} kaw profiled steel pem teb lawj. Los ntawm kev txo qhov qhib qhov loj me, cov xeb teeb meem ntawm cov ntaub pua chaw qhib, tab sis cov teeb meem tsis sib haum xeeb thiab cov kev ua tsis zoo tseem txwv lawv daim ntawv thov. Tom qab, kaw profiled steel lawj tau tsim, uas tau txais kev sib txuas nrog cov pob zeb thiab cov roj ntsha {{bearing {{cov kabmob muaj peev xwm ntawm cov kab ke hauv pem teb.

3 Lub Cim Thib Peb:Hlau Truss LawjTDM hom

Thaum pib ntawm 21st caug xyoo, nrog kev nce qib ntawm kev siv thev naus laus zis, lub cim thib peb ntawmHlau Pem Teb Decktshwm sim.

TDM hom truss lawj nta m {} Daim tav zoo li, uas yog nws qhov sib txawv ntawm cov khoom siv tshuab vuam.

Qhov kev ncua deb ntawm kev sib koom ua ke vuam thiab lawj, yog li saum lub lawj tsis muaj qhov sib tw ntawm TdV

4 Lub Cim Thib Peb: Steel Truss Lawj Tdv Hom

Lub TDV Hom Truss lawj nta ib v - zoo li cov tais ob npaug.

Rau cov tsev loj nce lossis cov tuam tsev nrog cov nqi qis, TDV hom yog qhov kev xaiv zoo

4Plaub tiam plaub:TDD sib sau ua ke thiab tshem tawmHlau Bar Truss sam thiaj