• Compressive Strength of Concrete -Cube Test, Procedure ...

    Concrete compressive strength for general construction varies from 15 MPa (2200 psi) to 30 MPa (4400 psi) and higher in commercial and industrial structures. Compressive strength of concrete depends on many factors such as water-cement ratio, cement strength, quality of concrete material, quality control during the production of concrete, etc.

  • Effect of slenderness and eccentricity on the strength of ...

    2020-5-9 · The cellular concrete block can be profitably used for load-bearing masonry if there is no need for vertical reinforcement for walls. The considerable weakening of the hollow concrete block in the thinness of its web is probably the reason. The 150-mm hollow concrete block wall, however, is stronger than the 200-mm-thick hollow concrete block wall.

  • Effect of the position of core on the strength of concrete ...

    2019-9-1 · The tests included in the study are the rebound hammer, the pulse velocity through concrete and the core crushing strength. The results show that the method of construction and the position of cores are critical factors in determining the …

  • Effects Of Slag Addition On The Crushing Strength Of ...

    effects of slag addition on the crushing strength of effects of slag addition on the crushing strength of concrete block Milling is also known as grinding, +86 21 33901608 [email protected] Home

  • Effect of different additives on the properties of alumina ...

    and microsilica addition on the properties of castables for use in EAF (electric arc farnace) such as flowability, bulk density and cold modulus of rupture and cold crushing strength and slag penetration resistance. EXPERIMENTAL PROCEDURE Tabular alumina, calcined alumina, microsilica, alumina calcium cement contained 17 wt.% CaO were used as raw

  • Effect of Li2CO3 on the properties of Portland cement ...

    2021-1-21 · The effect of Li 2 CO 3 on the compressive strength of hardened cement paste at 1 day, 7 days and 28 days is presented in Fig. 3. As the content of Li 2 CO 3 is increased, the compressive strength is first increased and then decreased. The compressive strength of the hardened paste at 1 day, 7 days, and 28 days reaches the maximum when the ...

  • The Effect of Fly Ash on the Bond Strength of Steel ...

    2021-3-18 · Concrete is one of the essential construction materials that requires many natural resources for production and releases much pollution such as greenhouse gases. As a cement replacement material, fly ash is an essential tool to reduce the environmental impacts of cement production. The main objective of this study was to evaluate the bond strength between …

  • Effect of granulated lead smelter slag on strength of fly ...

    2015-5-15 · It was also found that significant improvements in the compressive strength of the hardened concrete (i.e., from 6 MPa to 65 MPa) could be obtained by super fine crushing the slag to a fineness similar to Portland cement and fly ash (<20 μm). The results showed that the mechanical properties of the fly ash/slag-based geopolymer concrete were ...

  • Effect Of Silica Content On Crushing Resistance Of Rock

    effects of slag addition on the crushing strength of concrete block . ... separation of ore from other rock by crushing ... crusher in silica sandquartz powder ... >>GET MORE Lapidary Rock Crushing Equipment - orientstudio

  • Effect of copper slag, iron slag and recycled concrete ...

    2017-9-1 · Effect of copper slag, iron slag and RCA on the split tensile strength of concrete Fig. 4 shows the spilt tensile strength observed on different mix of concrete under 28 days of curing. The results show that the average tensile strength was within the permissible values in accordance with the design specifications.

  • (PDF) Effect of granulated lead smelter slag on strength ...

    cement-free. This paper presents an experimental study on the manufacture and behaviour of geopoly-. mer concrete produced with a combination of …

  • Strength of Nano Concrete using Nano Silica – IJERT

    2019-5-20 · It is evident that addition of 10% of Nano-silica with the concrete cubes, the compressive strength and tensile strength after 7days and 28 days is more when compared to other mix percentages. [1] Billa et.al (2017) deals with Partial replacement of Waste Plastics and waste rubber as partial replacement in concrete at an increment of 5% each time.

  • Effects of the Incorporation of Sawdust Waste …

    2020-4-9 · working with metakaolin and slag has stressed that the slag reacted more slowly than the alite and thus strength development of slag was slow and that the strengthening effect of slag to the compressive strength of portland cement will be seen after the concrete was cast for a long time, for example, after 91 days. The same effect is Table 12.

  • Effects of Different Mineral Admixtures on the Properties ...

    2013-8-30 · This paper presents a review of the properties of fresh concrete including workability, heat of hydration, setting time, bleeding, and reactivity by using mineral admixtures fly ash ( FA ), silica fume ( SF ), ground granulated blast furnace slag ( GGBS ), metakaolin ( MK ), and rice husk ash ( RHA ). Comparison of normal and high-strength concrete in which cement has …

  • International Journal of Concrete Structures and Materials ...

    2021-12-9 · Effect of the Curing Condition and High-Temperature Exposure on Ground-Granulated Blast-Furnace Slag Cement Concrete. In this study, the effect of curing temperature on the properties of slag cement concrete after high-temperature exposure was studied, and elevated curing temperature (45 ± 2 °C and 95% relative humidity (RH))...

  • Effect of Silica Fume and Slag on Compressive Strength …

    2014-3-7 · In this study, portland cement (PC) has been partially replaced with a Class F fly ash (FA) at level of 70 % to produce high-volume FA (HVFA) concrete (F70). F70 was modified by replacing FA at levels of 10 and 20 % with silica fume (SF) and ground granulated blast-furnace slag (GGBS) and their equally combinations. All HVFA concrete types were compared to PC …

  • MECHANICAL AND DURABILITY PROPERTIES OF SLAG …

    2021-12-16 · replacement level had significant effects on the strength and durability characteristics [6]. The strength of the concrete at the early age reduces when the slag replacement is more than 50%. However, at a later age, the strength improvement was noticed in the concrete with the presence of slag up to 60% replacement.

  • Compressive Strength and Abrasion Resistance of …

    2017-3-10 · strength as the water-cementitious materials ratio decreased. Aginam et al. [21] evaluated the effects of coarse aggregate types on the compressive strength of concrete. It was revealed that crushed granite aggregated concrete produced the best compressive strength, while the unwashed gravel concrete had the least.

  • RI6WHHO6ODJDW+RPH

    ore slag, steel tailings, desulphurized gypsum and cement clinker to replace cement, and used the steel tailings stabilized by thermal titration as aggregate to prepare high-strength artificial reef concrete [12]. 4.6. Fertilizers and soil improvers Steel slag contains silicon, calcium, phosphorus and other elements, which are necessary for the

  • EFFECT ON STRENGTH PROPERTIES OF CONCRETE BY …

    2021-10-6 · EFFECT ON STRENGTH PROPERTIES OF CONCRETE BY USING QUARRY DUST, COPPER SLAG AND WOOD ASH AS PARTIAL REPLACEMENT OF CEMENT Manoranjan Kumar1, Rajesh Joshi2 1PG Student, Dept. Of Civil Engg RGPM College Bhopal, 2Professor, Dept. Of Civil EnggRGPM College Bhopal, India Abstract: The scope of this …

  • INFLUENCE OF GLASS POWDER AND STEEL SLAG ON …

    2021-3-15 · powder. Beyond this level, no further improvement was observed in the compressive strength of concrete. Yu et al. [24] investigated the effect of glass powder in addition with steel slag on compressive strength of concrete. They concluded that the compressive strength of concrete increased as the age of concrete increased.

  • Effect of flux addition practice on MgO in the slag ...

    Download scientific diagram | Effect of flux addition practice on MgO in the slag. from publication: Recycling MgO-C refractory in electric arc furnaces | MgO-C refractory recycling from electric ...

  • Effect of Elevated Temperatures on Sugarcane Bagasse Ash ...

    2020-9-30 · The main focus of researchers in construction sector is to check suitability of ecofriendly alternative materials. Sugarcane bagasse ash (BA) and steel slag (SS) is one among such ecofriendly alternative materials. BA and SS has potential to utilize as binder and coarse aggregate, respectively, in concrete production. In the present investigation, BA and SS were …

  • Use effects of blast furnace slag aggregates in hydraulic ...

    2014-10-2 · The results of mechanical strength presented in Figs. 7 and 8 show that blast furnace slag-based concrete and especially the all slag concrete ASC has a better behavior than the reference concrete RC. The good behavior of slag concretes can be explained by the presence of a lower amount of Portlandite Ca(OH) 2 that was partially consumed by the ...

  • GROUND GRANULATED BLAST FURNACE SLAG (GGBS or …

    2018-4-12 · strength with 30% replacement attains in 28 days [1]. The high cementreplacement of GGBS cause reduction in flexural & compressive strength in adding 30% of GGBS compressive strength lower than ashthe plain cement concrete addition. Concrete achieve …

  • Key Factors Affecting Strength of Concrete

    2021-12-16 · Strength of concrete or in other words, the compressive strength of the concrete, dominant factor considered in the structural design in addition to the strength of the reinforcements.The factors affecting the strength of concrete are …

  • effect of weaker rock crushing strength on pavement

    Effects Of Slag Addition On The Crushing Strength Of. Effects Of Steel Slag Addition On The Plasticity Strength The soil is a765 according to aashto classification systems 5 8 and 10 steel slag content ssc each by dry weight of soil was used to stabilize the soil while evaluating the specific gravity consistency limits compaction permeability uncured and cured strength of the …

  • The effects of heat treatment on compressive strength of ...

    Furnace slag is one of the cementitious materials which Prediction of concrete strength in presence of furnace slag and fly ash using Hybrid ANN-GA …

  • harmful effects from crushing concreteharmful effects …

    Harmful Effects From Crushing Concrete. Harmful Effects From Crushing Concrete Dec 12, 2013 The present paper reports on the findings of an experimental study on the concomitant effects of the strength of the parent concrete, size of the natural aggregates used in the parent concrete, and the number of crushing stages on the properties of coarse recycled concrete aggregates, …

  • Effect on Compressive Strength of Concrete by Partial ...

    2017-2-10 · also led to the increase in split tensile strength of concrete. Tarun Sama [4] studied the effect of strength of concrete by partial replacement of cement with fly ash and addition of steel fibres. The grade of concrete used was M40 with …

  • Aggregates for Concrete

    2017-8-5 · slag, and lightweight aggregates that usually occupies approxi-mately 60 to 75% of the volume of concrete. Aggregate properties significantly affect the workability of plastic concrete and also the durability, strength, thermal properties, and density of hardened concrete. This Bulletin describes types of aggregates normally used

  • Towards Sustainable Self-Compacting Concrete: Effect of ...

    2018-3-15 · Steel industry results in accumulation of steel slag wastes causing severe environmental problems. These wastes can be recycled and replace natural aggregates resulting in sustainable green concrete. In this research, natural aggregates in self-compacting concrete (SCC) are replaced, wholly or partly, by steel slag coarse aggregates that were produced by …

  • Effects Of Slag Addition On The Crushing Strength Of

    Effects Of Slag Addition On The Crushing Strength Of. 5 effects of slag addition on the crushing strength ofeffects of slag addition on the crushing strength of concrete block concretewikipedia the free encyclopedia the environmental impact of concrete is a complex mixture of not entirely negative effects while concrete is. Details

  • Effect of Solid Waste-Petroleum Coke Residue on the ...

    2019-4-13 · Compared with ordinary concrete, the strength of single-added CR concrete at the replacement ratio of 10% increased by 11% at 28 days; for the (CR + BFS) concrete, when the replacement ratio of coke residue was 0% (50% cement and 50% slag), the strength of concrete reached the same level as ordinary concrete at each age; the strength of multi ...

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