Dam ɗin Wolwedans

Dam ɗin Wolwedans, wani dam ɗin kankare ne a Afirka ta Kudu da ke kan babban kogin Brak kusa da Mossel Bay, Western Cape, Afirka ta Kudu . Dam ɗin shi ne babban hanyar samar da ruwa ga ƙaramar hukumar Mossel Bay da kuma matatar gas-zuwa-ruwa PetroSA . Dam ɗin yana aiki ne musamman don samar da ruwan sha na birni da masana'antu.

 Zane 
An kammala shi a farkon shekarar 1990, shi ne na farko a cikin duniya guda ɗaya madatsar ruwa mai ƙarfin nauyi da aka yi da simintin abin nadi wanda ya dogara da cikakken aikin baka mai girma uku don samun kwanciyar hankali. Babbar madatsar ruwa mai tsayin mita 70 yana da fuskar sama a tsaye da kuma fuska mai gangara a gangaren 0.5:1 (H:V). Yana da radius extrados akai-akai na 135 m da tsayin crest na 268 m. Ƙarfin da ba ya zubewa yana da faɗin mita 5. An gina dam ɗin ne da siminti mai kauri mai kauri mai tsayin mita 0.25 tare da haɗaɗɗen haɗin gwiwa a tazarar m 10 tare da cire ɗaure kowane Layer na 4. RCC kusan    an sanya shi a cikin watan Oktoba da Nuwambar 1988 da tsakanin watan Mayu da Nuwambar 1989. Abubuwan haɗin gwiwar da aka haifar an grouted a cikin hunturu, tsakanin Yuli da Nuwambar 1993. An cika tafki mai ƙarfi a cikin shekarar 1992.
+Haɗin babban manna RCC Siminti na Portland Tashi Ash Ruwa M Tari Tari mai kyau kg/m 3 kg/m 3 kg/m 3 kg/m 3 kg/m 3 58 136 100 1510 625
Abubuwan haɗin RCC sun kasance:

 Yawan RCC: 2,400 kg/m 3
 Matsakaicin ƙarfin matsi na shekara 1 RCC: 

 Duba kuma 

 Jerin tafki da madatsun ruwa a Afirka ta Kudu
 Jerin sunayen koguna na Afirka ta Kudu

 Manazarta 

 Bayanan kula 

 Nadi-Compacted Concrete Dams, ICOLD, Bulletin 126
 Jerin Madatsun Ruwa na Afirka ta Kudu daga Sashen Kula da Ruwa