Application of Sanming Steel Slag Powder in Cement and Concrete

2010 ◽  
Vol 168-170 ◽  
pp. 369-372
Author(s):  
Dong Mei Zhang ◽  
Ming Shi Lu ◽  
Feng Xing Liu
Keyword(s):  
Blast Furnace Slag ◽  
Steel Slag ◽  
Slag Powder ◽  
Mortar Strength ◽  
Setting Times ◽  
Steel Slag Powder ◽  
Rate Of Increase ◽  
Cement And Concrete ◽  
Mineral Additives ◽  
Furnace Slag

Effects of steel slag powder on properties of cement and concrete are investigated. Results show that with the increase of steel slag power, water requirement of normal consistency is decreased, and the setting times are prolonged. The early mortar strength is lower, but late strength rate of increase is great. Steel slag powder is compatible with blast furnace slag. Moreover，concrete，which has harmonious development strength and excellent workability can be obtained by mineral additives two-element compounding.

Workability and Mechanical Properties of Concret with Different Admixtures

2013 ◽  
Vol 325-326 ◽  
pp. 67-70
Author(s):  
Yun Feng Li ◽  
Mi Xue Han ◽  
Li Xu
Keyword(s):  
Mechanical Properties ◽  
Blast Furnace ◽  
Fly Ash ◽  
Blast Furnace Slag ◽  
Steel Slag ◽  
Mineral Admixtures ◽  
Slag Powder ◽  
Steel Slag Powder ◽  
Furnace Slag

The mineral admixtures mixed into concrete have important effects on concrete performance. The workability and mechanical properties of the concrete are studied with different dosages of admixtures, such as steel slag powder, blast furnace slag powder and fly ash. The results show that fly ash has more advantages in improving the performance of the concrete. When steel slag powder, blast furnace slag powder and fly ash, respectively, replace the amount of cement to 30%, 30%, 20%, the mechanical properties of the concrete are improved significantly.

Researcher Progress of Steel Slag Cascade Utilization in Building Materials

2014 ◽  
Vol 629-630 ◽  
pp. 293-298 ◽  
Author(s):  
Gang Meng ◽  
Kai Feng Zhang ◽  
Shi Ran Zhao ◽  
Meng Xue Ouyang ◽  
Xiang Li
Keyword(s):  
Blast Furnace ◽  
Blast Furnace Slag ◽  
Building Materials ◽  
Steel Slag ◽  
Test Methods ◽  
Fine Aggregate ◽  
Volume Stability ◽  
Slag Powder ◽  
Steel Slag Powder ◽  
Furnace Slag

This paper studied the cascade use of industrial waste slag as the cementitious material, the fine aggregate and the coarse aggregate, assisted by XRD, SEM and other microscopic test methods. The results that the system had the best volume stability when the steel slag addition of 40%. When the cement mortar prepared by 10% steel slag fine aggregate, and mixed with 20% steel slag powder and 20% blast furnace slag powder, the mortar construction performance and shrink resistant performance is excellent. On the basis of concrete double mixing 25% steel slag aggregate and 30% steel slag powder, compound mixing 20% blast furnace slag powder, the durable properties of concrete are also excellent.

Workability and Strength Characteristics of High Performance Concrete with Steel Slag Admixture

2008 ◽  
Vol 400-402 ◽  
pp. 415-419 ◽  
Author(s):  
Yun Feng Li ◽  
Ling Wang ◽  
Yan Yao ◽  
Hui Lin
Keyword(s):  
Mechanical Properties ◽  
Blast Furnace Slag ◽  
High Performance ◽  
High Performance Concrete ◽  
Steel Slag ◽  
Mineral Admixtures ◽  
Slag Powder ◽  
Steel Slag Powder ◽  
Different Types ◽  
Furnace Slag

Workability, mechanical properties and durability of concrete can be greatly improved with the advanced mineral admixtures such as steel slag powder. The workability and mechanical properties of steel slag concrete with different types of steel slag and different dosage of admixtures are studied. The experimental results showed the effect of steel slag powder on concrete performance. When compound mineral admixtures with steel slag powder and blast-furnace slag powder are mixed into concrete, the performance of concrete can be improved further due to the synergistic effect and mutual activation.

Experimental Research of Concrete Resistance to Freezing-Thawing by Double Mixing Steel Slag

2013 ◽  
Vol 772 ◽  
pp. 161-166
Author(s):  
Jian Li Shang ◽  
Xiang Li
Keyword(s):  
Steel Slag ◽  
Replacement Level ◽  
Slag Powder ◽  
Granulated Blast Furnace Slag ◽  
Resistance Property ◽  
Steel Slag Powder ◽  
Baseline Group ◽  
Combined Action ◽  
Furnace Slag ◽  
Maximum Utilization

This work is aimed at resistance to durability of steel slag concrete containing different kinds of steel slag based on maximum utilization of industrial waste residue. The experimental investigation is conducted to study the resistance property to freezing-thawing of concrete which containing steel slag aggregate (SSA), steel slag powder (SSP) and ground granulated blast furnace slag powder (GSP) respectively. One of the specimens is made of ordinary concrete without steel slag as baseline group, the other three concrete specimens are fabricated with the utilization of SSA, and the replacement level is 25%, in combination with 30% SSP or 30% SSP/20% GSP by total binder content. The durable property of steel slag concrete in this study is freezing-thawing resistance, microscopic properties are analyzed by SEM and XRD tests. Experimental results indicate that the concrete which SSA replacement level is 25%, and in combination with 30% SSP and 20% GSP, resistance property of freezing-thawing is superior to baseline group, total dosage of steel slag achieved to 55%. And the mechanism of combined action by adding steel slag is discussed in this paper.

Cementitious Property Comparison of Steel Slags with Different Basicity

2013 ◽  
Vol 575-576 ◽  
pp. 337-340
Author(s):  
Zai Bo Li ◽  
Xu Guang Zhao ◽  
San Yin Zhao ◽  
Tu Sheng He
Keyword(s):  
Blast Furnace ◽  
Comparative Research ◽  
Blast Furnace Slag ◽  
High Efficiency ◽  
Steel Slag ◽  
Granulated Blast Furnace Slag ◽  
Cement And Concrete ◽  
Cementitious Systems ◽  
Furnace Slag

For the purpose of high-efficiency recovery and utilization of steel slag in cement and concrete, a comparative research on the cementitious property of several kinds of steel slag in six different cementitious systems have been carried out. The results show that the changes of cementitious systems and the basicity of steel slag have no significant effect on the mortar fluidity. The cooperating use of steel slag and ground granulated blast furnace slag is helpful to activate the cementitious property of steel slag. The basicity of steel slag can generally reflect the long-term cementitious properties of steel slag.

Effect of Blast Furnace Slag and Steel Slag on Cement Strength, Pore Structure and Autoclave Expansion

2010 ◽  
Vol 168-170 ◽  
pp. 17-20
Author(s):  
Qiang Song ◽  
Bao Jing Shen ◽  
Zhi Jun Zhou
Keyword(s):  
Compressive Strength ◽  
Blast Furnace ◽  
Blast Furnace Slag ◽  
Volume Fraction ◽  
Steel Slag ◽  
Mineral Admixtures ◽  
Cement Pastes ◽  
Slag Powder ◽  
Cement Strength ◽  
Furnace Slag

Under different content of blast furnace slag and steel slag powder, cements were mixed to investigate the effect of dosage of these two mineral admixtures on strength, autoclave expansion and the relationship between strength and volume fraction of pore. The results indicated that the ratio of clinker content to ground granulated blast furnace slag(GGBS) content is the crucial factor for compressive strength of mortars incorporated GGBS and steel slag at 28d. With different dosage of steel slag, the compressive strength of 1:1 mixes of clinker and GGBS has the maximum strength. With the steel slag mixed in cement, the porosity of cement pastes was increased. With the blast furnace slag mixed in cement, the porosity and pore size of cement pastes was decreased. Compressive strength of mortars was closely related to the content of pore in the sizes greater than 50 nm at 28d. Incorporating GGBS can significantly decrease the autoclave expansion of cement deduced by blending steel slag.

scholarly journals Experimental Study on the Effect of Compound Activator on the Mechanical Properties of Steel Slag Cement Mortar

Crystals ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 658
Author(s):  
Junfeng Guan ◽  
Yulong Zhang ◽  
Xianhua Yao ◽  
Lielie Li ◽  
Lei Zhang ◽  
...  
Keyword(s):  
Compressive Strength ◽  
Flexural Strength ◽  
Silica Fume ◽  
Steel Slag ◽  
Cementitious Materials ◽  
Control Group ◽  
Optimal Dosage ◽  
Slag Powder ◽  
Mortar Strength ◽  
Steel Slag Powder

In this study, activator, metakaolin, and silica fume were used as a compound activator to improve the activity of steel slag powder. The influence of activator, steel slag powder, metakaolin, and silica fume on the resulting strength of steel slag cement mortar was investigated by orthogonal experiments. For four weight fractions of steel slag powder (10%, 20%, 30%, 40%), the experimental results indicate that the compressive strength of mortar can reach up to more than 85% of the control group while the flexural strength can reach up to more than 90% of the flexural strength of the control group. Through orthogonal analysis, it is determined that the activator is the primary factor influencing the mortar strength. According to the result of orthogonal analysis, the optimal dosages of activator, steel slag powder, metakaolin, and silica fume are suggested. The GM (0, N) prediction model of compressive strength and flexural strength was established, and the compressive strength and flexural strength of mortar with the optimal dosage combinations were predicted. The prediction results show that by using the optimal dosage combination, the mortar strength can reach the level of P·O·42.5 cement. Considering the different strength and cost requirements of cementitious materials in practical engineering, the economic benefits of replacing cement with steel slag powder activated by compound activator in various proportions and equal amounts were presented. The results show that the method proposed in this study can reduce the cost of cementitious materials.

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