Steel bar, hu ua "reinforcement", yog ib yam ntawm cov khoom steel, uas feem ntau yog siv los ntxiv dag zog rau pob zeb thiab masonry lug. Nws yog steel pas nrig lossis hlau mesh uas ntxiv dag zog thiab ntxiv dag zog rau pob zeb los ntawm kev muab lub zog tensile los tiv thaiv qhov tsis muaj zog tensile lub zog ntawm pob zeb.
Rebar feem ntau tuaj nyob rau hauv ntau txoj kab uas hla thiab tuaj yeem yog dawb los yog deformed. Muaj cov qauv tsa los yog tav rau ntawm qhov chaw ntawm cov hlau deformed, uas txhim kho nws txoj kev sib raug zoo nrog cov pob zeb nyob ib puag ncig thiab tiv thaiv kev slippage ntawm steel bar thiab cov pob zeb. Qhov no txhim kho tag nrho cov qauv kev ruaj ntseg ntawm cov pob zeb muaj zog.
Rebar tuaj yeem raug cais raws li cov qauv sib txawv thiab cov yam ntxwv. Nov yog qee txoj hauv kev los faib cov rebar:
Classification raws li lub xeev nto:
Smooth Rebar: Ib qho chaw du uas tsis pom cov nplej lossis tav.
Ribbed Rebar: Ib qho chaw nrog tsa textures lossis tav los txhim kho kev sib raug zoo rau pob zeb.
Classified los ntawm kev siv:
Main reinforcement: siv los dais lub ntsiab load nyob rau hauv cov qauv, feem ntau yog ib tug ribbed steel bar, teem nyob rau hauv lub ntsiab quab yuam-kev coj tus kheej ib feem ntawm lub pob zeb ua tswv cuab.
Reinforcement: Nws yog siv los txhim kho qhov tawg tsis kam thiab ua haujlwm ntev ntawm cov khoom ua vaj tse, feem ntau yog cov kab hlau du, uas tau teem rau ntawm qhov kev ntxhov siab thib ob ntawm cov khoom.
Classified los ntawm cov duab:
Reinforcement Rod: Ib puag ncig steel bar, feem ntau yog siv rau ntau yam qauv.
Reinforcement Mesh: Lub network qauv welded los ntawm cov hlau xaim, siv rau kev txhawb nqa ntawm cov tswv cuab loj hauv cheeb tsam.
Raws li lub zog ntawm steel bar kev faib tawm:
HRB steel bar: kub dov ribbed steel bar nrog lub zog siab thiab zoo weldability.
SRB steel bar: txias-drawn ribbed steel bar, kuj muaj zog, haum rau qee qhov tshwj xeeb engineering yuav tsum.
R steel tuav: txias-daws du steel tuav uas tsis tshua muaj zog, feem ntau yog siv rau hauv qee qhov tsis yog cov qauv.
Classified raws li cov qauv thoob ntiaj teb:
Raws li cov qauv ntawm ntau lub teb chaws los yog cheeb tsam, lub npe thiab kev faib tawm ntawm cov hlau tuav yuav txawv. Piv txwv li, Tebchaws Asmeskas feem ntau siv cov qauv ASTM, Tebchaws Europe siv EN cov qauv, Tuam Tshoj siv cov qauv GB, thiab lwm yam.
Classified los ntawm txoj kab uas hla:
Txoj kab uas hla ntawm cov hlau tuav feem ntau yog cim hauv millimeters, xws li 8mm, 10mm, 12mm, thiab lwm yam.
Classified los ntawm durability:
Corrosion-resistant steel bars: siv rau cov qauv uas cuam tshuam zoo heev los ntawm corrosive ib puag ncig thiab muaj kev ua haujlwm zoo dua.
