Bayani game da Rebar
An fi sanin Rebar da sandar ribbed mai zafi. Matsayin sandar ƙarfe mai zafi ta yau da kullun ya ƙunshi mafi ƙarancin ma'aunin HRB da daraja. H, R da B sune haruffan farko na hot rolling, Ribbed da Bars bi da bi. Ana iya raba Rebar zuwa rukuni uku bisa ga ƙarfi: HRB300E, HRB400E, HRB500E, HRB600E, da sauransu.
Tsarin zaren da aka yi amfani da shi wajen yin amfani da sandar rebar yawanci shine 6-50mm. Yawancin lokaci muna amfani da ƙarin su ne 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 28mm, 32mm, 36mm, 40mm da sauransu. Bambancin da aka yarda da shi na ƙasa: 6-12mm karkacewa a ±7%, 14-20mm karkacewa a ±5%, 22-50mm karkacewa a ±4%. Gabaɗaya, tsawon da aka ƙayyade na sandar rebar shine 9m da 12m, daga cikinsu ana amfani da zare mai tsawon mita 9 galibi don gina hanya ta yau da kullun kuma ana amfani da zare mai tsawon mita 12 galibi don gina gadoji.
Bayani game da Rebar
| Sunan Samfuri | Gine-gine Kayan Gine-gine Ƙarfafa Karfe Rebar Mai Lalacewa Bar Karfe |
| Kayan Aiki | HRB335, HRB400, HRB500, JIS SD390,SD490,SD400; GR300,420,520; ASTM A615 GR60; BS4449 GR460, GR500 |
| Matsayi | HRB400/HRB500/KSD3504 SD400/KSD3504 SD500/ASTM A615, GR40/ASTM GR60/BS4449 B500B/BS4449 B460 Da sauransu |
| An gama saman | Zaren da aka sukurori, Rufin Epoxy, Rufin Galvanized |
| Tsarin Samarwa | Rebar sandar ƙarfe ce mai siffar haƙarƙari, wadda aka fi sani da ƙarfafa haƙarƙari, yawanci tana da haƙarƙari biyu masu tsayi da haƙarƙari mai juyi a daidai gwargwado tare da tsawon alkiblar. Siffar haƙarƙari mai juyi siffar karkace ce, siffar herringbone da siffar jinjirin wata. Dangane da millimita na diamita na suna. Diamita na suna na ƙarfafa haƙarƙari daidai yake da diamita na suna na ƙarfafa haƙarƙari mai zagaye mai haske tare da sashe ɗaya. Diamita na suna na sandar ƙarfe shine 8-50 mm, kuma diamita da aka ba da shawarar shine 8, 12, 16, 20, 25, 32 da 40 mm. Sandunan haƙarƙari galibi suna ɗaukar matsin lamba a cikin siminti. Sandar ƙarfe mai juyi na iya ɗaukar ƙarfin waje mafi kyau saboda tasirin haƙarƙari da siminti. Ana amfani da sandunan haƙarƙari sosai a cikin gine-gine daban-daban, musamman manyan, masu nauyi, masu sirara masu bango da tsayi. |
| Lambar Daidaitacce | GB1499.1 ~ GB1499.3 (saman siminti); JIS G3112 -- 87 (98) (ƙarfe mai sanda don siminti mai ƙarfafawa); JISG3191 -- 66 (94) (siffa, girma, nauyi da bambancin haƙuri na sandar da aka yi birgima mai zafi da sandar da aka yi birgima); BS4449-97 (sandunan ƙarfe masu zafi don tsarin siminti). ASTM A615 GRADE 40, GRADE 60, GRADE75; ASTM A706; DIN488-1 420S/500S, BST500S,NFA 35016 FE E 400, FE E 500, CA 50/60, GOST A3 R A500C |
| Daidaitacce | GB:HRB400 HRB400E HRB500 Amurka:ASTM A615 GR40,GR60 Birtaniya: BS4449 GR460 |
| Dubawa Hanyoyi | Gwajin Taurin Kai (1) Hanyar Gwajin Taurin Kai: GB/T228.1-2010, JISZ2201, JI SZ2241, ASTMA370, Г О С Т 1497, BS18, da sauransu; (2) Hanyar Gwajin Lanƙwasawa: sau da yawa ana amfani da hanyoyin gwaji na yau da kullun waɗanda suka haɗa da GB/T232-88, YB/T5126-2003, JISZ2248, ASTME290, ROCT14019, da sauransu. |
| Aikace-aikace | Ana amfani da rebar sosai a gine-gine, gadoji, hanyoyi da sauran gine-ginen injiniyanci. Tun daga babbar hanya, layin dogo, gada, magudanar ruwa, rami, kula da ambaliyar ruwa, madatsar ruwa da sauran wuraren jama'a, har zuwa harsashin ginin, katako, ginshiƙai, bango, faranti, ƙarfe sukurori kayan gini ne masu mahimmanci. Tare da zurfafa birane a China, buƙatar rebar tana da ƙarfi don gina ababen more rayuwa da haɓaka gidaje. |
Girman da Aka Fi Amfani da shi na Rebar
| Girman (mm) | Diamita na Tushe (mm) | Tsawon Haƙarƙari Mai Juyawa (mm) | Tsawon Haƙarƙari Mai Tsawon Hanya (mm) | Tazarar Haƙarƙari Mai Juyawa (mm) | Nauyin Naúrar (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 |
