Q: Yog Q235B H235B H zoo txaus txaus rau qis- Rose lub zog, nqi, thiab yooj yim ntawm kev siv zoo kawg nkaus. Q235b yog Suav cov qauv hlau nrog qhov tsawg kawg nkaus lub zog ntawm 235 mpa, zoo li 1-3 lub tsev ua haujlwm, chaw ua haujlwm me me, lossis cov khw muag khoom). Nws zoo heev weldability txhais tau tias cov pab pawg HARS tuaj yeem txuas lub h nqaj mus rau txhua qhov kev sib tw welists siv cov qauv kev cob qhia lossis cov cuab yeej siv tshwj xeeb. Q235b kuj muaj kev sib cav zoo, cia nws nqus cov kev ntxhov siab me (xws li lub teeb taws teeb lossis lub teeb cua) tsis muaj crucial, uas yog lub tsev ruaj khov. Tsis tas li ntawd, Q235B yog dav muaj thiab muaj ntau cov nqi pheej yig dua {{{21} {rece- Rise Projects. Txawm hais tias koj tab tom tsim lub chaw nyob ntawm lub chaw lag luam lossis cov khoom lag luam H235B H235B H235B H235B H Shaps yuav ntsib txhua tus qauv kev xav tau rau qis {25} Rose thav ntawv.
Q: Thaum twg kuv yuav tsum xaiv Q345B dhau Q235b rau lub tsev I2}}}}}}}} Cov vaj tse siab dua lossis cov qauv nrog kev ua haujlwm sab hauv hnyav. Q345B muaj qhov tsawg kawg nkaus lub zog ntawm 345 MPa, uas yog ze li ntawm 50% siab dua Q235B 65 MPA, yog li nws tuaj yeem txhawb nqa qhov hnyav tsis muaj dabtsi yog khoov. Piv txwv li, yog tias koj tab tom tsim 4-6 zaj dab neeg ua si nrog qhob pob zeb uas xav tau), txo tus lej txhawb nqa tau), Q345B tseem ua tau zoo dua hauv cov cheeb tsam uas muaj cov daus loj los yog cua, vim nws lub zog tiv taus deformation los ntawm cov rog sab nraud. Thaum Q345B yog me ntsis kim dua Q235b, cov nqi txuag tau los ntawm cov kab ntawv tsawg dua thiab cov khoom yooj yim tshaj tawm cov nqi sib txawv. Nws tseem tseem yooj yim rau weld thiab cov txheej txheem ntawm-}} chaw, yog li koj yuav tsis xav tau kev kho dua tshiab koj kev tsim kho ua haujlwm. Txog nruab nrab {{}}} Rose tsev lossis hnyav {{{{{{{{} Cov chaw muag khoom lag luam (LINTTION
Q: yog S460 overkill rau ib txwm muaj nyob hauv tsev ha tw? A: Yog lawm, nws lub zog loj yog tsis tsim nyog rau feem ntau hauv tsev thiab tsuas yog yuav nce nqi ntxiv. S460 yog qhov siab - lub zog steel nrog tsawg kawg yog 460 uas yog tsim rau kev lag luam cranes lossis cov cheebtsam loj, tsis yog cov qauv vaj txheem. Cov tsev nyob ib txwm ua (ib qho - tsev neeg lub tsev, lub ru tsev hnyav (asphales), ntoo lossis rooj tog zaum hauv av), thiab rooj tog zaum hauv av), thiab rooj tog zaum hauv tsev. Q235B lossis Q345B (feem ntau (feem ntau) tuaj yeem siv cov khoom siv no yooj yim, yog li siv S460 yuav txhais tau tias them nyiaj rau lub zog koj tsis tas yuav. S460 is also more expensive per ton than Q235B/Q345B, and it may require specialized welding consumables to maintain its strength in joints-adding even more to your project budget. Tsis tas li ntawd, S460 lub zog siab dua uas nws feem ntau thicker thiab hnyav dua thiab txhim kho cov khoom loj dua). Tshwj tsis yog tias koj ua ib lub tsev kev cai nrog cov nta heev (zoo li tus thib ob- Lub teb pem teb hauv tsev), S460 tsis yog ib qho kev xaiv rau cov chaw nyob ntawm h tws. Lo rau Q235B lossis Q245B lossis Q345B rau cov tsev txhua lub sijhawm kom txuag nyiaj thiab yooj yim tsim kho.
Q: Tau Q235B thiab QA45B HARS yuav sib xyaw ua ke rau hauv ib lub tsev ua haujlwm thiab ua haujlwm zoo los ntawm kev siv txhua qib uas nws xav tau tshaj plaws. Qhov tseem ceeb yog muab cov qib kawm rau cov txheej txheem txoj cai: Siv Q345B rau cov kabmob hauv pem teb (thiab cov khoom lag luam ntev}} {{12} {{12} {{12} {{12} {{ joists, lossis qab nthab framing) qhov twg qis zog yog qhov txaus. Piv txwv li, hauv 3-}} Cov chav nyob ua dab neeg, txhawb ob theem sab hauv qab nthab hauv txhua chav tsev (txhawb nqa tsuas yog phab ntsa thiab rwb thaiv tsev). Thaum txuas cov qib ob (piv txwv li, ib tus Q235B Welded rau Q345b kem), siv cov kab ntawv vuam hlau uas phim rau kev tsim cov ntsiab lus tsis muaj zog hauv kev sib koom ua ke. Koj tseem yuav xav tau sau tseg txhua lub nqaj kom meej rau - chaw kom tiv thaiv kom tsis txhob sib xyaw ua ke. Thaum kawg, pom zoo nrog koj tus kws ua haujlwm tsim qauv uas cov qauv tsim ua tau raws li cov lej hauv tsev-feem ntau ua qhov ntev npaum li txhua lub zog tau suav. Sib tov Q235B thiab Q345B cia koj tau txais tus nqi tshaj tawm ntawm koj cov ntaub ntawv pob nyiaj siv.
Q: Qhov twg yog qhov tsim nyog dua rau tsev ru tsev - law ua haujlwm rau lub ru tsev uas yog HE235B i Q235B H Beams muaj dav, flatter flanges tshaj li kuv kab teeb, uas muab ntau cov ntawv vov tsev (zoo li cov ntawv hlau, asphalt shingles, lossis plywood). Cov Flange Widge kuj tseem ua rau Hobs ntau ruaj khov, txo qhov kev pheej hmoo ntawm kev sib tw hauv qab ntawm cov khoom sib txuam (xws li daus ntxiv ntawm ib sab ntawm lub ru tsev). Rau lub ru tsev nrog loet ntev dua (piv txwv li, 5-7 meters), Q235B h tws muaj lub sijhawm siab dua) ntau dua li kuv cov nyom zoo li qub. Kuv cov nqaj, nrog cov nqaim, yog qhov zoo dua rau cov ru tsev me me nrog cov chaw me me (piv txwv li qhov chaw muaj suab nrov nrog cov ntom ntom nti). Txawm li cas los xij, Q235B H Beams muaj ntau ntau ntxiv- Lawv ua haujlwm rau cov pob zeb khawm, thiab lawv tiaj tus vov tsev, thiab lawv yooj yim dua los txuas rau kab ntawv ru tsev lossis cov kab ntawv txhawb nqa. Ob leeg puav leej yooj yim rau weld thiab txiav ntawm-- chaw (ua tsaug rau qhov kev ua tau zoo tag nrho rau feem ntau thiab cov haujlwm ua lag luam me me.
Teeb 2: Khoom siv kev ua tau zoo rau lub qhov kev txhawb nqa
Q: Puas yog Q345B h tws kov lub siab ntawm lub qhov kev them nyiaj yug? Ntau qhov chaw ntsej muag txuas ntxiv mus ib puag ncig ntawm av lossis pob zeb, nrog rau kev tsim kho cov khoom siv (zoo li kev tsim kho ze lossis tsheb). Q345B qhov tsawg kawg zog zog ntawm 345 MPA tau muab cov kev tiv thaiv kom tsis txhob muaj kev cuam tshuam nws nqus tau cov pob zeb me me hauv pob zeb (tiv thaiv kev sib kis me me). Hauv qhov chaw txhawb cov tshuab (zoo li cov hlau teeb lossis lattice hairders), QAs} Lawv cov cim kev txhawb nqa, txo kev ntxhov siab ntawm tus kheej cov khoom siv. Q345B tseem muaj qhov zoo weldability, uas yog qhov tseem ceeb rau kev sib sau ua ke cov ntas nyob rau hauv {13} tuaj yeem weld ci ci ua ke los ua cov phiaj xwm ruaj khov). Tsis tas li ntawd, Q345B yog tiv taus corrosion hauv ntub dej nyob ib puag ncig los ntawm anti {17} Cov xeb pleev xim zoo li epoxy pleev xim). Rau feem ntau me me mus rau nruab nrab ntau (piv txwv li, cov neeg taug kev underpasses), Q345B h tws muab kev ntseeg siab, tus nqi- kev txhawb nqa tau zoo.
Q: Vim li cas siv S460 hloov Q345B rau qhov chaw uas kuv muaj qhov tob tob, lossis cov kab ke loj heev? S460 muaj qhov tsawg kawg los lub zog ntawm 460 MPA yog 33% siab dua Q345B's 345 MPA, yog li nws tuaj yeem tiv taus ntau dua cov khoom lag luam sab nrauv thiab pob zeb hnyav. Hauv kev kub loj (piv txwv li, txoj kev loj heev, kev tsheb ciav hlau yuav tsum ua kom muaj qhov chaw nyob ntau dua li Q345b, txuag tau qhov chaw nyob hauv lub qhov (seem rau kev ua kom haum tsheb ciav hlau lossis kev tsheb nqaj hlau). S460 kuj muaj kev nkees zoo heev, uas yog qhov tseem ceeb rau kev thauj khoom ntau zaus (zoo li nws tiv thaiv cov kab teeb), vim tias nws tiv thaiv tsis muaj zog dhau sijhawm vim kev ntxhov siab ntau dua. Thaum S460 yog kim dua Q345B, nws lub zog siab dua txo cov nqaj kev txhawb nqa xav tau, txo cov nqi ntawm cov khoom lag luam thiab cov khoom siv installation. Nws tseem ua tau zoo dua hauv qhov chaw hnyav (piv txwv li av noo, tshuaj lom neeg los ntawm kev corrosion- Resistant txheej. Rau loj, siab {33} Cov ntsaws ruaj ruaj, S460 I Beams yog qhov muaj kev nyab xeeb dua, ntau txoj kev xaiv.
Q: Yog Q235B dhau tsis muaj zog rau lub qhov cub txhawb nqa i: Q235b tuaj yeem tsis muaj zog rau txhua tus tab sis qhov me tshaj plaws, cov khoom lag luam me me, ntiav ntau dua, ntiav cov taub hau. Q235B muaj qhov tsawg kawg nkaus lub zog muaj zog ntawm 235 MPa, uas yog qis dua Q345B (345 MPA) lossis S460 (460 MPA). Hauv cov tunnels, txawm tias cov ntiav (tsawg dua 10 meters tob), cov pob zeb nyob ib puag ncig los khoov kom txaus siab los khoov los khoov los yog deform Q235b i beams dhau sijhawm. Piv txwv li, ib qho Q235B i ban siv ua lub qhov kev txhawb nqa yuav sag hauv pob zeb thauj, ua rau tawg nyob rau hauv lub qhov txheej lossis txawm tsim kev ua tsis tiav. Q235B kuj tseem muaj kev qaug zog qis dua, yog li nws muaj feem ntau tsis muaj zog los ntawm kev co (zoo li kev tsim kho nyob ze) hauv qhov chaw ib puag ncig. Qhov xwm txheej tsuas yog qhov twg Q235B yuav ua haujlwm yog rau kev txhawb nqa ib ntus, piv txwv li cov neeg taug kev qis (tsis yog lub ntsej muag rau cov kabmob. Txawm tias tom qab ntawd, nws muaj kev pheej hmoo- cov cua feem ntau pom zoo Q345B lossis siab dua rau txhua lub Cheebtsam txhawb nqa. Kev nyab xeeb, ntev {{{{{}} kav cov kev txhawb nqa, Q235b i beams feem ntau tsis muaj zog txaus.
Q: Npaum li cas yog Q345B h nqaj tiv taus corrosion hauv kev kho mob corraje hauv ib puag ncig Ntau feem ntau noo lossis muaj dej seem los ntawm ib puag ncig av, uas accelerates xeb ntawm cov hlau hlau xws li Q345B. Thawj kauj ruam los tiv thaiv Q345B H tws yog thov kom muaj kev xaiv siab, raws li nws tsim cov xim huv, dej tsis muaj dej uas thaiv cov hlau. Rau kev sib tw nrog kev siv dej ntau zaus (piv txwv li, cov txheej txheem hluav taws xob ze ntawm cov dej (10-15}} Lwm qhov tseem ceeb kauj ruam yog qhov dej ntws kom zoo rau hauv lub qhov dej lossis cov dej ntws tawm kom khiav tawm ntawm cov nqaj hlau los ntawm cov hlau. Thaum lub sij hawm installation, koj kuj tseem tuaj yeem muab cov khoom sib xyaw ntawm lub kaus mom tsis muaj dej los nres cov dej hollow (uas tuaj yeem ua rau muaj xeb nyob sab hauv). Kev tshawb xyuas ib txwm (txhua 2-3 xyoos) kom kov cov nqaij qaib lossis tshem tawm cov xeb saum npoo av kuj pab txuas lub teeb lub neej. Nrog rau cov kev ntsuas no, Q345B h tws yuav tiv thaiv corrosion thiab tswj lawv lub zog hauv cov damp kev sib txawv.
Q: S460 H BEAMS yuav siv rau ob lub qhov hluav taws xob txhawb nqa (raws li cov ntaub ntawv sib txuas thiab lub hom phiaj tsim nyog rau kev txhawb nqa, tsis txhob siv ob sab. Qhov chaw them nyiaj rau cov tshuab (zoo li cov hlau teeb) xav tau lub zog loj ua rau nws lub zog loj: nws tuaj yeem ua raws li lub ntsiab no uas tuav rov qab ib puag ncig av lossis pob zeb. Txawm li cas los xij, lub qhov siv hauv ob sab hauv yog cov txheej hauv cov txheej txheem uas tiv thaiv cov txheej txheem, tiv thaiv dej nrawm nrawm (rau cov tsheb du (rau cov tsheb lossis cov neeg taug kev). Cov kab ntawv yuav tsum tau cov ntaub ntawv uas yog dej tsis yooj yim, yooj yim rau hauv cov khoom nkhaus, thiab cov khoom siv sib xyaw ua ke zoo li s460 h tws. S460 H BARS puas yog txhav thiab muaj cov duab ruaj khov ntawm feem ntau ntau yam kev sib zog ntawm cov feem ntau sib dhos lossis cov ntoo khaub lig arched- Ib qho ntxiv, siv S460 H Beams rau hauv ob sab phlu yuav kim heev -}} Koj yuav xav tau ntau cov khoom, thiab nws yuav tsis muab cov khoom siv hluav taws xob zoo dua li. Uas tau hais tias, S460 h cis tuaj yeem yog ib feem ntawm cov hybrid system: lawv ua raws li tus them nyiaj yug menyuam, thaum pob zeb ua kom pom cov ntaub ntawv pom. Rau qhov chaw txhawb nqa, s460 h bars zoo heev; Rau hauv ob sab phlu, tus pas rau cov ntaub ntawv tshwj xeeb.
Teeb 3: Siv Siv & Txhim Kho
Q: Yog Q235B i beams yooj yim mus txiav thiab weld ntawm {}} Lawv cov khoom siv ua kom lawv pib ua phooj ywg. Q235b yog qhov qis - cov hlau me me ua haujlwm rau cov hlau me me, thiab cov ntshav txiav kom meej rau cov tuab tuab si suction los yog tsis yog neeg yuam. Koj yuav tsis xav tau siab siab -} powered lossis tshwj xeeb txiav cov khoom siv, uas txuag lub sijhawm thiab cov nyiaj rau koj pab neeg tsim kho. Thaum nws los rau vuam, Q235b cov ntsiab lus carbon qis tiv thaiv thaum lub sijhawm vuam sib tsoo xws li Smaw Koj tuaj yeem siv cov qauv qauv, pheej yig vuam pas nrig (zoo li E4303 rau smaw)- cua sov (tshwj tsis yog lub nqaj yog tuab heev, dhau 20 hli). Thaum -}}}}} txhais tau tias koj pab neeg tuaj yeem hloov kho qhov chaw kom haum, vuam ib qho bracket los txhawb pab pawg jail pem teb sai sai, tsis muaj ncua. Txawm hais tias koj tab tom tsim tsev lossis lub tsev lag luam me me, Q235B i Laib cov txheej txheem yuav ua rau koj lub sijhawm teem sijhawm.
Q: Ua Q345B H Beams xav tau cov khoom siv tshwj xeeb rau qhov chaw teeb tsa, nyob ntawm lawv qhov loj me thiab rau feem ntau, cov qauv kev siv nqa ua haujlwm. Q345B H tws siv rau qhov loj ntawm qhov loj me: me, 150x, ~ 31kg / m) tuaj yeem nqa nrog phau ntawv hoists lossis cov hluav taws xob me me (sib npaug hauv qhov chaw nruj me me). Cov teeb loj (piv txwv li, 300 x300mm, ~ 94kg / m) yuav tsim los ua haujlwm hauv cov khoom siv tshuab hluav taws xob (qhov dav dav feem ntau txwv cov qauv crane loj). Lub ntsiab lus tseem ceeb yog lub qhov cub hla- txoj kev taug kev (piv txwv li cov neeg taug kev lossis kev tsheb ciav hlau uas muaj peev xwm sib txuas. Q345B H tws tseem ntseeg txaus kom raug tsa los ntawm ib lossis ntau cov ntsiab lus tsis muaj khoov, uas yooj yim tuav. Ib qho ntxiv, feem ntau lub qhov siv pawg siv nyiaj nqa (ua los ntawm cov hlau lossis hnyav} Qhov no faib cov khoom hnyav thiab tiv thaiv kev puas tsuaj. Thaum lub sij hawm cov khoom siv tshwj xeeb yuav xav tau rau cov nqaj loj, nws tsis tshua muaj kev cai lossis kim heev {} {tus phooj ywg lifting iav. Nrog rau cov cuab yeej yog, txhim kho Q345B h tws hauv cov tunnels ncaj.
Q: Kuv yuav ua li cas Q235b I Beams rau cov phab ntsa tsim kho kom haum nrog ob qho kev ua haujlwm zoo nrog Q235B cov khoom siv. Thawj txoj kev sivTHAUJ TOG RAU NKOJ BOLTS: Pib los ntawm cov qhov drilling hauv lub phab ntsa qhob (piv txwv li ntsia liaj qhov rooj loj, piv txwv li, 16 hli lossis 20mm) nrog mistonry laum me ntsis. Ntxuav lub qhov kom tshem tawm cov hmoov av, tom qab ntawv ntxig expansion thauj tog rau nkoj bolts (lossis pov tseg} Qhov no nthuav dav cov pob zeb rau cov pob zeb rau cov pob zeb ua, tsim kom muaj kev nyab xeeb. Tom ntej no, laum sib txuam qhov nyob rau hauv I nqaj lub flange, swb nws nrog cov tshuab ntxhua khaub ncaws thiab cov txiv ntoo (siv lub zog ua kom nruj). Tus qauv thib ob yogEmbed Daim Hlau: Cov no yog cov phiaj hlau ua tiaj (feem ntau 10-1mm tuab) welded mus rau qhov kawg ntawm kuv nqaj ua ntej phab ntsa qhob. Lub phaj tau kos rau hauv cov pob zeb ua ntub, thiab ib zaug cov pob zeb cures, nws tsim muaj zog, tas mus li txuas. Q235B's excellent weldability makes welding the embed plate to the I beam easy-you can use standard MIG or SMAW welding without issues. Txoj kev twg koj xaiv, siv ib qib kom ntseeg tau tias qhov kuv nqaj yog ncaj ua ntej ua tiav qhov kev sib txuas. Rau thauj khoom - Cov ris kev txhawb nqa kab teeb (piv txwv li cov kws ua haujlwm hauv pem teb), sab laj cov kws ua haujlwm hauv tsev kom paub meej cov ntsia liaj qhov rooj tuab lossis phaj tuab. Ob txoj kev tsim kev sib ntseeg siab sib raug zoo ntawm Q235B i beams thiab phab ntsa zeb.
