This paper presents the effect of Ultrafine Slag in high strength concrete with cement replacement of 5%, 10%, 15% and 20%. Nowadays high strength concrete generally made with Ordinary Portland Cement. In this investigation Portland Pozzolana Cement (PPC) Fly ash based was used to make concrete more environmental friendly. In this experiment five mixes were prepared in which one mix …
Slag cement is a recovered byproduct of the iron manufacturing process and can be used to replace a portion of portland cement in concrete mix design. The use of slag cement has demonstrated long-term performance enhancements allowing designers to reduce the environmental footprint of concrete while ensuring improved performance and increased ...
furnace slag. Ultra-fi ne blast furnace slag could reduce one of the main weaknesses of cements containing blast furnace slag, that being too little early strength for many applications (Diagram 1). As is already apparent today, the ultra-fi ne blast furnace slag could be …
Sep 11, 2019· This technique allows saving Portland cement without reducing significantly the concrete strength. The ability to obtain ultra-fine mineral fillers from industrial by-products with high specific surface area appears with grinding technology development. Two types of ultra-fine ground granulated blast furnace slag with average grain size equal ...
Aug 15, 2019· This paper explores deep into the effects of mineral admixtures, e.g. ultrafine ground granulated blast-furnace slag (UFGGBFS) and copper slag (CPS), on ambient cured geopolymer concrete (GPC). First, a GPC was prepared from mineral admixtures like the UFGGBFS, fly ash and the CPS, and alkali activators like sodium hydroxide (NaOH) and sodium ...
Established as Partnership firm in the year 2014, at Rajkot (Gujarat, India), we "Pyramid Industries" are a renowned manufacturer of a qualitative assortment of GGBS Block, PSC Cement, Granulated Blast, Classified Fly Ash.Furnace Slag etc. Our offered range is widely acclaimed for its features like long shelf life, high strength, safe packaging, etc. Under the headship of, "Mr. Pravin ...
This paper presents the effect of ultra-fine slag (i.e. 25% of alccofine) as a replacement of cement for different water to binder ratios (i.e. 0.38, 0.4 and 0.45).
Jun 25, 2015· Ultrafine alkali-activated ground blast-furnace slag is the product used in the mud-to-cement technology, in which water-based drilling mud is converted to cement. Expanding cements Expansive cements are available for the primary purpose of …
sand, recycled crushed hydraulic cement concrete, slag, lightweight aggregate, or a combination thereof. Provide fine aggregate free from frozen material and from injurious amounts of salt, alkali, vegetable matter, or other objectionable material. Provide fine aggregates with the requirements in Table 5 unless otherwise shown on the plans. Table 5
size < 9.3 µm and ultra-fine fly ash (FA2) < 4.6 µm as sub-fraction of FA1.Two types of cement were used: Portland cement CEM I 52.5 R HES (CEMI) and Blast Furnace Slag Cement CEM III/A 42.5 N LA (CEMIII). The results at pasteand mortar- - levels showed that an increased fineness of the fly ash (FA2) contributes to better workability of the mix.
This study aims at evaluating the effect of ultrafine granulated copper slag (UGCS) on hydration development of blended cement and mechanical properties of mortars. The UGCS with the median particle size of 4.78 μm and BET surface area of 1.31 m2/g was used as a cement replacement to prepare blended …
Ultra Fine Slag (RUFS) was obtained from EnGro Corporation limited, Singapore and was used as substitute to cement. Fine and coarse aggregate used was river sand and broken stone. Specific gravities of cement, ultra fine slag, fine aggregate and coarse aggregate were found to be 3.15, 2.90, 2.64 and 2.68 respectively. The
May 19, 2019· Abstract. The paper presents several methods of obtaining ultrafine slag, its stabilization and introduction into the composition of cement. Ultrafine slag with polifraction composition, which has particle size of 0.5–1.0 μm, was obtained through grinding blast-furnace granulated slag in …
Adding super fine powder such as slag can improve the compactness of concrete and cement products, and its later strength is high, which reduces the cost of concrete and cement products [3] 1. It is used in high-strength, ultra-high-strength, high-performance concrete and prefabricated ready-mixed rods, pipes, large bridges and other industries ...
dioxide so as to be eco-friendly. This paper presents the effect of ultra-fine slag (i.e. 25% of alccofine) as a replacement of cement for different water to binder ratios (i.e. 0.38, 0.4 and 0.45). The effect of alccofine on the concrete strength properties were studied at 7 and 28 days wherein considerable
10%· Apr 22, 2017· The purpose of the study is to obtain a cement grout with improved performance. The grout mixes of the present study contain cement, ultra-fine slag (UFS), super plasticizer and water. Properties like flowability, bleeding, compressive strength and shrinkage of cement grouts have been studied. Rheological parameters were also studied in order to explain the grout …
A method is described for manufacturing of normal as well as ultra-fine cement on the basis of cement materials, such as cement clinker, gypsum, slag, limestone, pozzolana, flyash etc. in a plant comprising at least a mill (1), a classifying separator (3), a separation cyclone (5) and a dust collector (7).
The purpose of the study is to obtain a cement grout with improved performance. The grout mixes of the present study contain cement, ultra-fine slag (UFS), super plasticizer and water. Properties like flowability, bleeding, compressive strength and shrinkage of cement grouts have been studied. Rheological parameters were also studied in order to explain the grout workability. The results ...
Reference mix of M40 grade with OPC 400 kg/m 3, 160 kg water and 2 kg admixture were compared with 360 kg OPC, 40 kg Ultra-fine slag (UFS), 160 kg water & 2 kg admixture for chloride permeability test and test results are shown in Table 5. Results show that UFS could produce concrete with very low permeability i.e., very high durability ...
Abstract: This paper presents the effect of Ultrafine Slag in high strength concrete with cement replacement of 5%, 10%, 15% and 20%. Nowadays high strength concrete generally made with Ordinary Portland Cement. In this investigation Portland Pozzolana Cement (PPC) Fly ash based was used to make concrete more environmental friendly.
SUPPERPOZZ P500 TM. ASHTECH's product research team have developed an Ultra Fine Fly Ash used in production of high performance concrete. This innovative new age formulation "SUPPERPOZZ P500 TM" builds on the company's proud track record and experience as India's foremost producers of Classified Fly Ash.SUPPERPOZZ P500 TM being rich in alumina-silicates is highly reactive thereby ...
Ground granulated blast furnace slag (GGBFS), a byproduct of iron smelting, contains silicates, alumina and quicklime (CaO). Like lime, GGBFS reacts directly with water to produce CA(OH) 2. Portland Cement . Portland cement is hydraulic cement produced by pulverizing clinker, which consists of calcium silicates formed from limestone (CaCO. 3 ...
(Ground Slag 325 Mesh) Ground Granulated Blast Furnace Slag" is being used in cement industries for Producing slag cement. It can replace clinker upto 60% to produce slag cement GGBS is also being used by RMC plants to minimize the use of cement and achieve higher latter strength. We are setting up slag grinding units for producing fine GGBS.
Ensure that slag is 50% to 55% of total cementitious content by weight when used in combination with silica fume, ultra fine fly ash and/or metakaolin. c. Fly Ash and Slag (Ternary Blend) - Ensure that there is 10% to 20% fly ash, 50% to 60% slag by weight, and 30% portland cement by weight for mixes containing portland cement, fly ash and slag. 5.
Keywords: ultra fine slag, durability, chloride penetration, corrosion, rapid chloride migration test Abstract. Improving the durability of concrete to sustain a longer life span and producing a greener concrete are becoming important criteria in obtaining quality concrete. Incorporating Ground Granulated Blast-furnace Slag (GGBS) as a mineral
Apr 22, 2017· The purpose of the study is to obtain a cement grout with improved performance. The grout mixes of the present study contain cement, ultra-fine slag (UFS), super plasticizer and water. Properties like flowability, bleeding, compressive strength and shrinkage of cement grouts have been studied. Rheological parameters were also studied in order to explain the grout workability. The …
Set retarded ultra fine cement compositions which remain pumpable for a predictable period of time at temperatures up to about 240° F. are provided. The compositions are basically comprised of an ultra fine hydraulic cement, sufficient water to form a pumpable slurry and a set retarder comprised of a methylenephosphonic acid derivative.
Performance improvement to ash-cement blocks by adding ultrafine steel slag collected from a supersonic steam-jet smasher Construction and Building Materials ( IF 6.141) Pub Date :, DOI: 10.1016/j.conbuildmat.2019.03.320
At the water-powder (W/P) ratio of 0.16, the apparent viscosity of high volume blast furnace slag cement paste including ultra-fine BFS and the viscosity of paste without ultra-fine BFS were 1.19Pa・s and 1.69Pa・s respectively. Furthermore, in actual measurement, the packing fractions of particles in aggregation of these high volume blast ...
Ultrafine ground granulated blast furnace slag (UFGGBFS), because of its pozzolanic nature, could be an extraordinary resource for the advanced development needs, since slag cements concrete can be of elite, if properly planned. Improvement of the durability properties of concrete to support a more extended life expectancy and creating a climate amicable greener concrete are turning out to be ...
Jun 04, 2018· The application of ultrafine ground-granulated blast-furnace slag (GGBFS) in concrete becomes widely used for high performance and environmental sustainability. The form of ultrafine slag (UFS) used in concrete is powder for convenience of transport and store. Drying-grinding-drying processes are needed before the application for wet emission.
The grout mixes of the present study contain cement, ultra-fine slag (UFS), super plasticizer and water. Properties like flowability, bleeding, compressive strength and shrinkage of cement grouts have been studied. Rheological parameters were also studied in order to explain the grout workability. The results show that, cement replacement with ...
The purpose of the study is to obtain a cement grout with improved performance. The grout mixes of the present study contain cement, ultra-fine slag (UFS), super plasticizer and water.