Akopọ ti Rebar
Rebar ti wa ni commonly mọ bi gbona yiyi ribbed bar. Awọn ite ti arinrin gbona ti yiyi irin igi oriširiši awọn kere ikore ojuami ti HRB ati ite. H, R ati B jẹ awọn lẹta akọkọ ti yiyi ti o gbona, Ribbed ati Awọn igi ni atele. Rebar le ti wa ni pin si meta isori gẹgẹ bi agbara: HRB300E, HRB400E, HRB500E, HRB600E, ati be be lo.
Iwọn sipesifikesonu okun ti rebar jẹ gbogbo 6-50mm. A maa kopa diẹ sii jẹ 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 28mm, 32mm, 36mm, 40mm ati be be lo. Iyapa ti orilẹ-ede: 6-12mm iyapa ni ± 7%, 14-20mm iyapa ni ± 5%, 22-50mm iyapa ni ± 4%. Ni gbogbogbo, ipari ti o wa titi ti rebar jẹ 9m ati 12m, laarin eyiti o tẹle okun gigun 9m ni akọkọ ti a lo fun ikole opopona deede ati okun gigun 12m ni akọkọ lo fun ikole afara.
Sipesifikesonu ti Rebar
| Orukọ ọja | Ikole Ohun elo Imudara Irin Rebar Dibajẹ Irin Pẹpẹ |
| Ohun elo | HRB335, HRB400, HRB500, JIS SD390,SD490,SD400; GR300,420,520;ASTM A615 GR60;BS4449 GR460,GR500 |
| Ipele | HRB400/HRB500/KSD3504 SD400/KSD3504 SD500/ASTM A615, GR40/ASTM GR60/BS4449 B500B/BS4449 B460 Ati be be lo. |
| Dada Pari | Aso-skru, Ipara iposii, Aṣọ galvanized |
| Ilana iṣelọpọ | Rebar jẹ igi irin kan pẹlu dada ribbed, ti a tun mọ si imuduro ribbed, nigbagbogbo pẹlu awọn egungun gigun 2 ati iha ifa boṣeyẹ pin pin pẹlu itọsọna gigun. Apẹrẹ ti iha ifa jẹ apẹrẹ ajija, apẹrẹ egugun egugun ati apẹrẹ aarin. Ni awọn ofin ti millimeters ti ipin opin. Iwọn iwọn ila opin ti imuduro ribbed jẹ dogba si iwọn ila opin ti imuduro iyipo-ina pẹlu apakan agbelebu kanna. Iwọn ila opin ti ọpa irin jẹ 8-50 mm, ati iwọn ila opin ti a ṣe iṣeduro jẹ 8, 12, 16, 20, 25, 32 ati 40 mm. Awọn ọpa ribbed ni akọkọ jẹri aapọn fifẹ ni nja. Ọpa irin ribbed le jẹri iṣẹ ti agbara ita dara julọ nitori ipa ti ribbed ati nja. Awọn ifi ribbed jẹ lilo pupọ ni ọpọlọpọ awọn ẹya ile, paapaa nla, eru, olodi tinrin ati awọn ile giga. |
| Standard No. | GB1499.1 ~ GB1499.3 (rebar fun nja); JIS G3112 -- 87 (98) (irin igi fun kọnkiti ti a fikun); JISG3191 -- 66 (94) (apẹrẹ, iwọn, iwuwo ati iyatọ ifarada ti igi ti a ti yiyi gbona ati irin igi ti yiyi); BS4449-97 (gbona ti yiyi irin ifi fun nja ẹya). ASTM A615 GRADE 40,GRADE60,GRADE75; ASTM A706; DIN488-1 420S/500S, BST500S,NFA 35016 FE E 400, FE E 500,CA 50/60,GOST A3 R A500C |
| Standard | GB:HRB400 HRB400E HRB500 USA: ASTM A615 GR40,GR60 UK: BS4449 GR460 |
| Ayewo Awọn ọna | Idanwo idanwo (1) Ọna idanwo ti o ni idiwọn: GB / T228.1-2010, JISZ2201, JI SZ2241, ASTMA370, Г О С Т 1497, BS18, ati be be lo; (2) Ọna idanwo atunse: nigbagbogbo lo awọn ọna idanwo boṣewa ni GB/T232-88, YB/T5126-2003, JISZ2248, ASTME290, ROCT14019, ati bẹbẹ lọ. |
| Ohun elo | Rebar jẹ lilo pupọ ni kikọ, afara, opopona ati ikole imọ-ẹrọ ara ilu miiran. Lati ọna opopona, oju opopona, afara, culvert, eefin, iṣakoso iṣan omi, idido ati awọn ohun elo gbangba miiran, si ipilẹ ile, awọn opo, awọn ọwọn, awọn odi, awọn awo, irin dabaru jẹ awọn ohun elo igbekalẹ ti ko ṣe pataki. Pẹlu jinlẹ ti ilu ilu Ilu China, ibeere fun rebar lagbara fun ikole amayederun ati idagbasoke idagbasoke ti ohun-ini gidi. |
Wọpọ Awọn iwọn ti Rebar
| Iwọn (mm) | Iwọn Ipilẹ (mm) | Giga Iyipada Rib (mm) | Gigun Rib Gigun (mm) | Àlàyé Ìpadàpadà (mm) | Ìwọ̀n Ẹ̀ka (kg/m) |
| 6 | 5.8± 0.3 | 0.6 ± 0.3 | ≤0.8 | 4± 0.5 | 0.222 |
| 8 | 7.7± 0.4 | 0.8± 0.3 | ≤1.1 | 5.5 ± 0.5 | 0.395 |
| 10 | 9.6±0.4 | 1 ± 0.4 | ≤1.3 | 7± 0.5 | 0.617 |
| 12 | 11.5 ± 0.4 | 1.2 ± 0.4 | ≤1.6 | 8± 0.5 | 0.888 |
| 14 | 13.4 ± 0.4 | 1.4 ± 0.4 | ≤1.8 | 9±0.5 | 1.21 |
| 16 | 15.4 ± 0.4 | 1.5 ± 0.5 | ≤1.9 | 10± 0.5 | 1.58 |
| 18 | 17.3 ± 0.4 | 1.6 ± 0.5 | ≤2 | 10± 0.5 | 2.00 |
| 20 | 19.3 ± 0.5 | 1.7 ± 0.5 | ≤2.1 | 10± 0.8 | 2.47 |
| 22 | 21.3 ± 0.5 | 1.9 ± 0.6 | ≤2.4 | 10.5 ± 0.8 | 2.98 |
| 25 | 24.2 ± 0.5 | 2.1 ± 0.6 | ≤2.6 | 12.5 ± 0.8 | 3.85 |
| 28 | 27.2 ± 0.6 | 2.2 ± 0.6 | ≤2.7 | 12.5 ± 1.0 | 4.83 |
| 32 | 31 ± 0.6 | 2.4± 0.7 | ≤3 | 14± 1.0 | 6.31 |
| 36 | 35±0.6 | 2.6 ± 0.8 | ≤3.2 | 15± 1.0 | 7.99 |
