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Mobile crushers can also be called mobile crushing plants, mobile crushers, etc. It is an inevitable product of high-tech crushing technology in the new era, and its main features are that it can be operated mobilely, can walk freely, and is more convenient for transitions, ensuring that the equipment While the production is safe, the work process is more reliable.
·The hydration products microstructures and pore structures of paste with part of Portland cement replaced by superfine phosphoric slag were investigated by XRD DTA and SEM in this article
·The activity index of superfine steel slag D 50 = μm can reach up to % which is much higher than that of ordinary steel slag powder D 50 = μm For blended cement with 10% weight ratio of superfine steel slag D 50 = μm as a replacement cement mortar exhibits higher compressive strength at 28 days than that of pure
·In this study steel slag powder SSP and SP by products from manufactured sand were employed with a total dose of less than 30% as a replacement for cement The results revealed that the blended cementitious materials exhibited excellent mechanical strength and pore structure with the synergistic effect of SSP and SP Compared to SSP or SP
The properties of the concrete with super fine steel slag were compared with those of the pure cement concrete Results show that the concrete with 20% super fine steel slag has similar compressive strength elastic modulus and permeability with the pure cement concrete at the age of 28 and 90 days The addition of super fine steel slag tends to decrease the initial slump of
·Superfine slag powder production line is also called ultrafine slag micro powder plant or superfine slag powder making plant Superfine slag powder production line is used to crush non flammable materials of which Mohs hardness is no more than seven degree and water content is less than 6% Except for the slag superfine powder grinding mill
·Phosphorous slag PHS ground granulated blast furnace slag GGBS and fly ash FA were used as replacements of Portland cement to modify the microstructure of recycled aggregate concrete RAC A new manufacturing method named W3T4 was proposed to improve the performances of interfacial transition zone ITZ between recycled aggregate and
In order to further investigate the effect of modifier and superfine steel slag powder on properties of magnesium oxysulfate MOS cement the examinations of compressive strength hydration products and pore structure of various MOS cement mixtures are discussed in detail The results show that malic acid helps the formation of 5Mg OH 2
·Industrial waste like slag has caused serious problems all over the world In this paper blast furnace slag was ground to be superfine powder and partial replacement of cement
·Zhen et al 2013 investigated concrete samples which had either 5% nano SiO 2 NS 40% superfine slag SS or 40% SS combining 20% replacement of sand volume with rubber powder RP The NS
Group has engineering design project contracting and construction general contracting qualification it has contracted a total of more than 200 sets of pulverized coal injection blast furnace slag superfine powder active lime with the preheater rotary kiln Cooler craft and sleeve kiln Process two technologies Grate kiln oxide
·The activity index of superfine steel slag D50 = μm can reach up to % which is much higher than that of ordinary steel slag powder D50 = μm
·Abstract Industrial waste like slag has caused serious problems all over the world In this paper blast furnace slag was ground to be superfine powder and partial replacement of cement Multiple contents of slag powder used in cement were studied by cement paste cement mortar and cement concrete experiment Water requirement of normal
The incorporation of superfine phosphorus slag powder can reduce the incorporation of gelled materials and reduce the quantity of the gelation materials by about 50kg when it meets C60 grade concrete strength Compared with other mineral admixtures ultrafine phosphorus slag powder can improve the durability of concrete and reduce the early
The results show that malic acid helps the formation of 5Mg OH 2MgSO 4 7H 2O 517 phase and gives MOS cement a finer pore structure Addition of superfine steel slag powder can decrease the porosity and fine the pore size in the paste
·The chemical composition of steel slag showed potential for use as cementitious component This paper explores the use of partially replacing cement with locally available steel slag for making of cement mortar The effects of steel slag powder on the normal consistency water requirement setting times compressive strength were studied
·A composite mineral admixture was prepared by steel slag and superfine blast furnace slag The influence of superfine blast furnace slag content of the composite mixture on the mortar and concrete
·The paper examines the effect of ball drum grinding and jet milling on the particle size distribution and specific surface area of the powders produced from blast furnace slag The effectiveness of jet milling providing relatively equal powder particles more than 85% of the fractions is 0 10 μm in size is shown Decrease in the average particle size leads to
·The GGBS in this work was commercially available ultra fine slag of two sizes V1 and V2 Nitrogen BET Surface area of V2 3955 m 2 kg −1 was found to be much higher than the V1 2435 m 2 kg −1 The CaO MgO /SiO 2 ratio by mass M coefficient of basicity was a reliable indicator of reactivity [25] Calculated M = of the UFS Fig 1 a shows the
·A composite mineral admixture was prepared by steel slag and superfine blast furnace slag The influence of superfine blast furnace slag content of the composite mixture on the mortar and concrete was investigated The results show that the composite mineral admixture may decrease the strength of concrete at the early age but improve the strength development
·In this study the effect of fine blast furnace slag powder SP and limestone powder LSP as a mineral admixture in shotcrete using monocalcium aluminate CA as a quick setting accelerator was evaluated The shotcrete was prepared with up to 25 wt % substitutions of mineral admixture SP and LSP and then the CA accelerator was incorporated by 5
·The influence of different replacement ratios of steel slag powder as cement replacement material on the fracture performance of concrete is studied in this paper A three point bending fracture test is carried out on slag powder cement based concrete SPC notched beams with steel slag powder as cementitious materials partially replacing cement 0% 5%
·Semantic Scholar extracted view of "Stabilization of iron ore tailing with low carbon lime/carbide slag activated ground granulated blast furnace slag and coal fly ash" by Xiqing Jiang et al 7 authors Jiang shan Li; Iron ore tailing is a major solid waste requiring advanced recycling methods because ore tailing powder is polluting air
·The workability and durability of a type of sustainable concrete made with steel slag powder were investigated The hydrated products of cement paste with ground granulated blast furnace slag GGBFS alone or with a combined admixture of GGBFS steel slag powder were investigated by X ray diffraction XRD Furthermore the mechanism of chemically
· Test Method The mortar and concrete were prepared to test the compressive strength The mortars were mixed by a planet mixer After adding the water the pastes were mixed at a low speed for 30 seconds followed by the addition of sands and then a 4 minute mixing was conducted
