MTW European Type Trapezium Mill
Input size:30-50mm
Capacity: 3-50t/h
LM Vertical Roller Mill
Input size:38-65mm
Capacity: 13-70t/h
Raymond Mill
Input size:20-30mm
Capacity: 0.8-9.5t/h
Sand powder vertical mill
Input size:30-55mm
Capacity: 30-900t/h
LUM series superfine vertical roller grinding mill
Input size:10-20mm
Capacity: 5-18t/h
MW Micro Powder Mill
Input size:≤20mm
Capacity: 0.5-12t/h
LM Vertical Slag Mill
Input size:38-65mm
Capacity: 7-100t/h
LM Vertical Coal Mill
Input size:≤50mm
Capacity: 5-100t/h
TGM Trapezium Mill
Input size:25-40mm
Capacity: 3-36t/h
MB5X Pendulum Roller Grinding Mill
Input size:25-55mm
Capacity: 4-100t/h
Straight-Through Centrifugal Mill
Input size:30-40mm
Capacity: 15-45t/h
Slag concrete ratio
233R17: Guide to the Use of Slag Cement in Concrete and Mortar
This report addresses the use of slag cement as a separate cementitious material added along with portland cement in the production of concrete This report does not address slags derived 6 天之前 The independent variables considered were copper slag content (CS), watercement ratio (WC), and curing days (CD), with compressive strength as the output parameter The Utilization of copper slag as fine sand replacement in concrete: a 2015年3月18日 Based on the evolution of the compressive strength ratio of concrete with different watertobinder ratios and different slag inclusions, a slag replacement ratio of 40% Analysis of the Optimum Usage of Slag for the Compressive 2018年10月30日 Two types of slag differing in their physical and chemical properties are investigated The test parameters include the level of cement replacement (30, 50 and 70% by The influence of slag properties, mix parameters and curing
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Review Steel slag and its applications in cement and concrete
2021年5月10日 In this review, steel slag usage in the cement and concrete industry and its environmental effects were examined Also, its physical and chemical structure, its effect on 2023年11月9日 By using the response surface methodology to comprehensively consider the impact of three factors – cement substitution ratio, waterbinder ratio, and sand rate – on the Preparation of concrete from vitrified slag: process parameter 2020年7月15日 In concrete mix design, the watercement ratio is responsible for binding all constituents of concrete together If the watercement proportion is higher, it brings about Effect of WaterCement Ratio on Mix Design and MechanicalAs slag cement use is rising in the US, understanding how slag cement works best in various situations is increasingly important for contractors and engineers The guide covers ACI Publishes Guide to the Use of Slag Cement in Concrete and
Slag Cement and Concrete Pavements
For concrete pavements, slag cement is typically used in proportions of 25 to 35 percent It is normally substituted for portland cement on a onetoone basis by mass The proportion of 2024年1月9日 [concretemixdesigncalculator] As a licensed civil engineer with over 25 years of concrete construction experience, one of my primary responsibilities is developing proper concrete mix designs for each unique Concrete Mix Design Calculator, Water/Cement (w/c) 2019年9月16日 For concrete with a low watertobinder ratio, the dilution effect of slag is obvious 232 Carbonation Model When relative humidity is higher than 50%, there is a carbonation front which distinguishes the carbonation and Optimal Mixture Design of LowCO2 HighVolume 2024年11月6日 Concrete is the world’s most extensively manufactured material, with the integration of recycled materials becoming crucial for sustainable construction This study investigates the mechanical properties of concrete mixes containing Recycled Aggregates (RA) and Portland Slag Cement (PSC) to understand their suitability for sustainable construction Optimizing sustainable concrete mixes with recycled aggregate
A Comprehensive Review on the Ground Granulated Blast Furnace Slag
2022年7月18日 The FS of concrete at a water to binder ratio of 045 is 4216 MPa for a control mix that does not include GGBS In addition, the FS is increased to 4367 MPa, Durmuş, Hİ Utilization and Efficiency of Ground Granulated Blast Furnace Slag on Concrete Properties—A Review Constr Build Mater 2016, 105, 423–4342023年11月4日 The lack of a code for preparing onepart geopolymer concrete (GPC) is one of the major obstacles to its wide use This study adopted one of the most common methods for preparing ordinary concrete, the ACI method, taking into account the most important variables affecting this method and then modified it to suit onepart GPC Three different sizes of A Practical Mix Design Method of Ground Granulated BlastFurnace Slag Fly ash and Slag will typically be 18% cheaper than Portland cement When a mix includes 20% fly ash, this will provide savings of 35% in cost The advantage of slag is its ability to substitute more of cement Giving savings of up to 9% in cement cost with a Why use Fly Ash and Slag in Concrete? BayLynx Manufacturing Inc2020年6月5日 Use of alkaliactivated slag concrete (AASC) in replacing conventional concrete has become an environmentally friendly alternative construction technique Alkali activation of fly ash and ground granulated blast furnace slag (GGBFS) using NaOH and Na2SiO3 is well documented in the literature GGBFS activated with alkaline solution produces less workable Effect of Binder Content and Solution/Binder Ratio on Alkali
Microstructure characteristics of geopolymer aggregate concrete
2023年10月27日 L/S ratio of coarse aggregate with fine aggregate and alkaline solution ratio of 05 contributed to mixture In referring Table 4 mentioned example as “06GPAC05” denotes the concrete with liquid/slag ratio of 060, GPAC as geopolymer 2024年9月27日 In this study, we conducted a singlefactor experiment where fine aggregates in each mixture were replaced with coalfired slag at replacement rates in the range of 0–100% We investigated the effect of slag substitution rate on the cubic compressive strength, splitting tensile strength, axial compressive strength, and static modulus of elasticity of slag concrete Based Mechanical Properties and Stress–Strain Constitutive Relations of 2009年10月25日 Three series of fine limestone aggregate, alkaliactivated blast furnace slag (AAS) concretes were fabricated and tested; two through activation with waterglass/NaOH solution, of which one included NaCl as a retarding agent, and one activated by Na2CO3 Each of these series was made up of three formulae containing different amounts of Al2O3 The Influence of Si:Al ratio on the microstructural and mechanical 2013年5月12日 Concretes formulated with 500 kg/m 3 of slag and a w/b ratio of 042 (Fig 1a) show compressive strength values of up to 90 MPa after 180 days of curing, twice as high as was obtained in concretes activated with 4 wt% Na 2 O, 400 kg/m 3 of slag, and a lower modulus activator Concretes produced with an increased w/b ratio (048) (Fig 1b) and 400 kg/m 3 slag Natural carbonation of aged alkaliactivated slag concretes
Workability and mechanical properties of alkaliactivated fly ashslag
2018年5月30日 The optimal mixtures of AAFS concrete were set as slag content of 20–30%, AL/B ratio of 04, 10 M of SH, and SS/SH ratio of 15–25 considering the performance criteria of workability, setting time and compressive strength2016年9月29日 DOI: 1011113/JTV788819 Corpus ID: ; PERFORMANCE OF STEEL SLAG AGGREGATE CONCRETE WITH VARIED WATER CEMENT RATIO @inproceedings{Awoyera2016PERFORMANCEOS, title={PERFORMANCE OF STEEL SLAG AGGREGATE CONCRETE WITH VARIED WATER CEMENT RATIO}, author={Paul PERFORMANCE OF STEEL SLAG AGGREGATE CONCRETE WITH2020年11月20日 Chloride diffusion in alkaliactivated fly ash/slag concretes: Role of slag content, water/binder ratio, alkali content and sandaggregate ratio w/b, Na 2 O content and sandaggregate ratio In general, AAFS concretes exhibited relatively high compressive strength in the early age When the slag content ≥ 50%, Chloride diffusion in alkaliactivated fly ash/slag concretes: Role The American Concrete Institute (ACI) has recently published ACI 233R17 Guide to the Use of Slag Cement in Concrete and Mortar As slag cement use is rising in the US, understanding how slag cement works best in various situations is increasingly important for contractors and engineersThe guide covers information on slag cement chemical properties and product ACI Publishes Guide to the Use of Slag Cement in Concrete and
Effect of Sodium Hydroxide Concentration and Alkaline Ratio
2014年7月1日 In this regard, an experimental investigation has been made to study the variation in the Compressive Strength of slag based Geopolymer concrete by varying the concentration of Sodium hydroxide as 2019年2月13日 The mix proportions of the pastes and concretes studied are shown in Tables 2, 3, respectivelyAll mixes contain 450 kg/m 3 of binder and the w/b ratio was 045 for concrete 036 for pastes Liquid sodium silicate (SS) provided by PQ Corporation had an alkali modulus (M s = mass ratio SiO 2 /Na 2 O) of = 22, with 3437 wt% SiO 2, 156 wt% Na 2 O and a solids The Effect of Blast Furnace Slag/Fly Ash Ratio on Setting, Strength 2024年5月25日 Conversely, when increasing the watertoslag ratio, it led to unreacted free water remaining, resulting in greater water saturation within pore spaces This amplified the damage experienced during freeze–thaw cycles Recent studies have unveiled that incorporating nanoparticle materials enhances the freeze–thaw durability of AAS concreteDurability of alkaliactivated fly ashslag concrete state of art2021年10月1日 22 Mixture Four mixtures were produced and subjected to tests: a control group (plain AAS) concrete and three PP fibre groups The plain AAS used in our previous experimental study exhibited high mechanical strength []The proportions of each component were as follows: water–binder ratio of 05, SiO 2 /Na 2 O ratio (modulus) of 12, sodium silicate Effect of fibre dosage and stressstrength ratio on creep of
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Experimental Study on Seismic Performance of Precast High
2024年8月8日 Precast concrete (PC) shear wall members are essential components of the precast concrete shear wall structural system Therefore, it is crucial to research their materials, and seismic performance is an important and vital indicator to promote the development of prefabricated buildings This study introduced a new type of precast concrete sandwich shear 2021年6月1日 The effect of GGBFS:PCC, Na 2 O ratio, Ms and W/B on the 7day and 28day CS of ambient cured alkaliactivated slag cement concrete (AASCC) and also the participation percentage of each parameter was calculated as presented in Fig 20 [112]A review on alkaliactivated slag concrete ScienceDirect6 天之前 The study encompasses the optimization of concrete mix proportions by considering the varying levels of copper slag content (20%, 30%, and 40%), watercement ratio (035, 040, and 045), and curing days (7, 14 and 28 days)Utilization of copper slag as fine sand replacement in In general, water demand for a given slump in slag concrete mixtures will be 3 to 5 percent lower than ordinary portland cement concrete Slag cement should always be included when calculating the watercementitious material ratio In the field, it is important to avoidSlag Cement and Concrete Pavements
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Preparation of concrete from vitrified slag: process parameter
2023年11月9日 The cement substitute ratio, waterbinder ratio, and sand ratio have a significant impact on the performance of concrete Sancheti et al (Jain, Sancheti, and Kumar Gupta Citation 2020) and Elmoaty et al (Saikia et al Citation 2015) investigated the feasibility of using bottle glass powder to partially replace cementTheir research level was between 5–25%, and the The normal ratio of the mixture remains the same The studies show that the GGBFS can be replaced from 30 to 85 % of the cement weight Most of the instances we replace 40 to 50% Advantages of GGBFS in concrete The incorporation of ground granulated blast furnace slag in concrete manufacture gains many advantages which are mentioned below:Ground Granulated Blast Furnace Slag in Concrete its yield 27ft3 of concrete •Assume this concrete needs to haveAssume this concrete needs to have Sand / Aggregate ratio of 0 42Sand / Aggregate ratio of 042 Volume of Sand 042 Total Volume of Aggregate = 042 Volume of Sand Volume of Sand = 768 ft3 1828 ft3 = 042 Calculating pounds of sand Pounds of Material = Absolute Volume SG X 624 Concrete Mix Design Calculations2016年7月15日 This article reports on investigations of the resistivity and chloride migration coefficient (D RCM) obtained in the accelerated Rapid Chloride Migration test for slag cementbased concretesDeterminations of the resistivity and D RCM were performed on 47 different concrete compositions, up to the age of 182 days The obtained results demonstrate that, Longterm chloride migration coefficient in slag cementbased concrete
On The Relationship between Compressive Strength and Water Binder Ratio
2016年1月1日 Slag concrete of mix ratio 70:30 with water cementitious ratio 04 and 30 days precuring is found to be the most effective in resisting the adverse effect of sea water View2016年9月29日 Likewise, Awoyera et al, 2016 [24] evaluated the performance of steel slag aggregate concrete with varied watercement ratios The experimental work included different percentages of replacement (PDF) Performance of steel slag aggregate concrete with varied water 2023年6月20日 A slag fraction > 10 wt% did not alter the porosity of the binders The binder specimens with 30 wt% slag showed a ∼ 30% reduction in porosity, suggesting the formation of C–A–S–H gel in these mixes, and the initiation of a space–filling effect because of the formation of a higher degree of C–A–S–H gelEffect of fly ash to slag ratio and Na ScienceDirect2021年3月1日 Also, the watercement ratio of pervious concrete is relatively low, which has been changing in the range of 028–040 in previous studies Therefore, the watercement ratio of the steel slag pervious concrete prepared in this study was set as 03, and the target porosity was set as 25% According to EqInfluence of aggregate size and notch depth ratio on fracture
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Fresh mechanical and durability properties of alkaliactivated fly
2021年12月1日 Behavior steel corrosion in carbonated alkaliactivated slag concrete was studied by Aperador et al in 2009 In Nath and Sarker studied setting time on different fly ash to slag ratios with constant sodium silicate to sodium hydroxide ratio of 25, alkaline activator to binder ratio 04, and 14 M of NaOH Fly ash was What Is Concrete Mix Ratio? The Concrete Mix Ratio is the ratio of concrete ingredients like cement, fine aggregate (sand), coarse aggregate (gravel), and water These mixing ratios are decided on the basis of the type of construction and the mixed designs of the materials There are several different types of concrete mix ratios, each of which is designed to meet specific Concrete Mix Ratio: Types, Grades, Design Civiconcepts2024年8月10日 The optimal dosages of silica fume depend on the w/cm ratios and the slag content in the concrete mixture (Chen and Brouwers 2007; Powers and Brownyard 1946) Figure 13 illustrates the compressive strength results of type D concrete specimens containing different percentages of silica fume, with w/cm ratios of 05, 04, and 03, respectivelyEnhancing Concrete Strength and Durability of Normal and High 2024年5月2日 This study explores the feasibility of utilizing steel slag as a coarse aggregate in concrete, However, due to the replacement of natural coarse aggregate and the sense of too much void onto the slag used the ratio showed values between 54 and 10% with an average of about 81% across the various mixturesUtilization of steel slag as partial replacement for coarse
Effect of Binder Content and Solution/Binder Ratio on Alkali
2020年6月5日 Use of alkaliactivated slag concrete (AASC) in replacing conventional concrete has become an environmentally friendly alternative construction technique Alkali activation of fly ash and ground granulated blast furnace slag (GGBFS) using NaOH and Na 2 SiO 3 is well documented in the literature GGBFS activated with alkaline solution produces less workable 2024年5月9日 Fang, G, Ho, W K, Tu, W, Zhang, M (2018) Workability and mechanical properties of alkaliactivated fly ashslag concrete cured at ambient temperature Construction and Effect of ground granulated blast furnace slag and fly ash ratio and the curing conditions on the mechanical properties of geopolymer concrete Development of Sustainable Slagbased Geopolymer Concrete 2021年5月12日 The activators used in alkaliactivated slag concrete were sodium hydroxide (5% weight of slag) and liquid sodium silicate The watertobinder ratio was 05, and the water content for producing 1 m 3 of concrete was 214 kg The Influence of seawater on alkaliactivated slag concretePDF On Feb 4, 2018, ESKINDER DESTA and others published A Review on Ground Granulated Blast Slag GGBS in Concrete Find, (the ratio of slag and fly ash 5:5, 4:6 and A Review on Ground Granulated Blast Slag GGBS in Concrete