Dam ɗin Woodhead
| Dam ɗin Woodhead | |
|---|---|
 | |
| Wuri | |
| Ƴantacciyar ƙasa | Afirka ta kudu |
Province of South Africa (en)  | Western Cape (en) |
| Metropolitan municipality (en) | City of Cape Town (en) |
| Coordinates | 33°59′S 18°24′E / 33.98°S 18.4°E |
 | |
| Karatun Gine-gine | |
| Tsawo | 38 m |
| Service entry (en) | 1897 |
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| |
Dam ɗin Woodhead, wani dam ne a kan Dutsen Tebur, Western Cape, Afirka ta Kudu . An gina shi a cikin shekarar 1897 kuma yana ba da ruwa zuwa Cape Town . Dam, wanda shi ne babban madatsar ruwa na farko a Afirka ta Kudu, an ayyana shi a matsayin Alamar Injiniya na Tarihi ta Duniya ta Ƙungiyar Injiniyoyi ta Amurka a shekarar 2008.[1]
Tarihi[gyara sashe | gyara masomin]
A cikin shekarar 1870, haɓakar Cape Town ya haifar da ƙarancin ruwan sha. An yanke shawarar gina tafki a kan Dutsen Tebur don samar da ruwa ga birnin. Injiniyan ruwa na Scotland Thomas Stewart ya himmatu wajen tsarawa da gina tafki.[1]
An gina rami na Woodhead tsakanin shekarar 1888 zuwa ta 1891. An yi amfani da shi don karkatar da rafin Disa, rafi na kogin Hout Bay, zuwa yamma don samar da ruwa ga tafki.
An gina hanyar jirgin sama don jigilar maza da kayayyaki zuwa wurin ginin. [1][2] An gina dam ɗin tsakanin shekarar 1894 zuwa 1897. Wannan dam ɗin ya biyo bayan wasu mutane huɗu a yankin. An gina Dam da tafki na Hely-Hutchinson a shekara ta 1904 kusa da tafkin Woodhead. An gina Dam Alexandra da Victoria Dam a kan asalin Disa Stream ta shekarar 1903. Na ƙarshe daga cikin madatsun ruwa biyar shi ne Dam ɗin De Villiers a shekarar 1907. An gina wannan a ƙarƙashin Kogin Alexandra da Victoria Dams. A yau, waɗannan madatsun ruwa guda biyar suna ba da kusan kashi 0.4% na ruwan Cape Town.[3]
Zane[gyara sashe | gyara masomin]
Tunnel na Woodhead shine 640 metres (2,100 ft) dogon. Dam din Woodhead shine dam ɗin nauyi mai nauyi wanda shi ne 277 metres (909 ft)[4] tsawo da 50 metres (164 ft) babba. Yana da hanyar zubar da jini kyauta tare da ƙarfin 20 m 3 / s (706 ft 3 /s). Tafkin yana da ƙarfin 927,000 cubic metres (32,737,000 cu ft) da yanki mai faɗi 13 hectares (32 acres) .[4]
Duba kuma[gyara sashe | gyara masomin]
- Jerin tafki da madatsun ruwa a Afirka ta Kudu
Manazarta[gyara sashe | gyara masomin]
- ↑ 1.0 1.1 1.2 "Led by ASCE President, Delegation Visits S. Africa To Honor Dam as Civil Engineering Landmark". ASCE International Page. American Society of Civil Engineers. Archived from the original on 25 July 2011. Retrieved 6 March 2010.
- ↑ Murray, Tony. "Thomas Steweart - First South African Consulting Engineer" (PDF). American Society of Civil Engineers. Archived from the original (pdf) on 25 July 2011. Retrieved 6 March 2010.
- ↑ River Health Programme (2003). State-of-Rivers Report: Diep, Hout Bay, Lourens and Palmiet River Systems (PDF), Pretoria: Department of Water Affairs and Forestry, 2003, pp. 17–18, archived from the original (PDF) on 2010-02-14, retrieved 2023-05-09
- ↑ 4.0 4.1 "South African Large Dams". South African Large Dams-1-2009 v3.0.xls. SANCOLD. January 2009. Archived from the original (zip) on 5 July 2009. Retrieved 5 March 2010.