3SHANNAG M J. High strength concrete containing natural pozzo- lan and silica fume[J]. Cement and Concrete Composites,2000 (22) :399 -406.
4SHANNAG M J, AsimYeginobali. Properties of pastes, mortars and concretes containing natural pozzolan[J]. Cement and Con- crete Research, 1995,25 (3):647 - 657.
5TURANLI L, UZAL B, BEKTAS F.Effect of material character- istics on the properties of blended cementscontaining high vol- umes of natural pozzolans [J]. Cement and Concrete Research, 2004(34) :2277 - 2282.
6UZAL B,TURANLI L. Studies on blended cements containing a highvolume of natural pozzolans[J].Cement and Concrete Re- search,2003(33) :1777 - 1781.
7TARGAN S, OLGUN, ERDOGAN Y, et al. Influence of natural pozzolan, colemanite ore waste,bottom ash, and fly ash on the properties of Portland cement [J]. Cement and Concrete Re- search,2003 (33) : 1175 - 1182.
