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UTILIZING LOCAL NATURAL POZZOLAN AS PARTIAL ,

C305 The percentages of cement replacement by weight with (LNP) powder were 10%, 20%, 30% and 40%, the percentages of partial replacement of sand by volume with (LNP) were 10%, 20%, 30% and 40% and the percentages of cement replacement by weight with silica fume were 0%, 5% and 10% Figure- 3 shows part of specimens after molding and before ....

Cement Replacement Material - an overview | ScienceDirect ,

Cement replacement materials are necessary, including coal fly ash, ground granulated blastfurnace slag, silica fume, ground glass natural pozzolans or calcined clay (eg, metakaolin) Recycled and waste materials can be used to replace aggregates, materials such as recycled glass, brick and concrete and incineration bottom ash...

Silica Fume & Ground Granulated Blast Furnace Slag as ,

Silica Fume & Ground Granulated Blast Furnace Slag as Cement Replacement in Fiber Reinforced Concrete Anusha Suvarna[1], Prof PJ Salunke[2],Prof NGGore[3] Prof TNNarkehde[4] 1 PG Student, Department of civil engineering, MGM’s College ,...

EXPERIMENTAL STUDY ON REPLACEMENT OF CEMENT ,

replacement of cement using silica fume is done up to 20% and replacement of fine aggregate using glass powder is done up to 40% also silica fume and glass powder are replaced by 15% and 20%pressive strength for replaced materials and conventional concrete is ,...

(PDF) Partial Replacement of Cement by Fly ash in Concrete ,

Fly ash is an inexpensive (FA), silica fume (SF), ground blast-furnace slag (GGBS) and replacement for Portland cement used in concrete, while it metakaolin (MK) are commonly used as a partial substitution actually improves strength, and ease of pumping of the of Portland cement during construction These admixtures are concrete...

THE EFFECT OF GROUND GLASS WASTE ON PROPERTIES ,

Considering that silica is the fundamental ingredient of glass, its recycling technologies can also expand the , replacement of a part of cement with ground glass admixture demonstrated that up to 10 % of cement could , The research focused on the effect of glass powder μm to 90μm and less μm, on the compressive strength of concrete...

Limestone and silica powder replacements for cement: Early ,

Apr 01, 2017· In contrast, for a Class C fly ash that significantly retards cement hydration at a 40% cement replacement level by mass, while 5% of a 44 μm limestone powder accelerated/amplified early-age hydration and decreased setting times markedly, 5% of a 27 μm silica powder actually increased the length of the dormant period and further delayed ....

Silica Fume User's Manual

11 SILICA FUME DEFINITION The American Concrete Institute (ACI) defines silica fume as “very fine non-crystalline silica produced in electric arc furnaces as a by-product of the production of elemental silicon or alloys containing silicon” (ACI 116R) It is usually a gray colored powder, somewhat similar to portland cement or some fly ....

Experimental Study on Concrete Using Cement With Glass ,

concrete; from the results obtained, it is found that glass powder can be used as cement replacement material up to particle size less than 75μm to prevent alkali silica reaction Keywords: Experimental Study, Concrete, Using Cement, Glass Powder I INTRODUCTION Concrete is a blend of cement, sand, coarse aggregate and water The key factor ....

Combine effect of rice husk ash and silica fume with glass ,

In this study, partial replacement (by weight) of cement with RHA and silica fume with glass powder in paver blocks is used for determining the change in the compressive strength, water absorption of paver blocks Partial replacement of cement in different percentage ,...

EXPERIMENTAL INVESTIGATION ON PARTIAL REPLACEMENT ,

Ceramic powder, silica fume, fly ash, Ground Granulated Blast furnace Slag and other suitable materials are employed in replacing cement in concrete The main aim of this study is to analyze the effect of using MICRO-SILICA in the replacement of cement employed in concrete Cement is replaced using Micro- silica, for different percentages and ....

(PDF) Effect of Using Glass Powder in Concrete | Abdullah ,

Table 4 and figure 5 shows the result of variation of flexural strength of concrete with cement replacement by glass powder for 7, 28 and 90 days It seems flexural strength of concrete with 20% cement replacement by glass powder showed a higher value by 27%, 20%, 17% compared to control concrete for 7 days, 28 days and 90 days respectively...

Effect of Partial Replacement of Cement by Ground ,

SCMs such as Ground-granulated blast furnace slag, fly-ash, silica fume and marble powder etc 3 Ground-granulated blast furnace slag: It can also be utilizing high range of water reducer to improve compressive strength or as a super workability aid to improve flow GGBS is known as produce high strength concrete and is used in two different ....

UTILIZING LOCAL NATURAL POZZOLAN AS PARTIAL ,

C305 The percentages of cement replacement by weight with (LNP) powder were 10%, 20%, 30% and 40%, the percentages of partial replacement of sand by volume with (LNP) were 10%, 20%, 30% and 40% and the percentages of cement replacement by weight with silica fume were 0%, 5% and 10% Figure- 3 shows part of specimens after molding and before ....

Effect of Using Glass Powder in Concrete

Waste glass is one materials when ground to a very fine powder shows pozzolanic properties which can be used as a partial replacement for cement in concrete In this paper, an attempt has been made to find out the strength of concrete containing waste glass powder as a partial replacement of cement for concrete...

Effect of Using Glass Powder in Concrete

Waste glass is one materials when ground to a very fine powder shows pozzolanic properties which can be used as a partial replacement for cement in concrete In this paper, an attempt has been made to find out the strength of concrete containing waste glass powder as a partial replacement of cement for concrete...

Clayey Soils and Waste Brick Powder for Partial Cement ,

ground into powder2 Figure 4 Compressive strength after 7 days of curing Findings • Availability of clayey soil in State College, Pennsylvania was confirmed • Compressive strength decreased by 7% with the partial replacement of • cement with waste brick powder • XRD analysis of waste brick powder revealed silica, alumina, iron oxide....

Study of Partial Replacement of cement by Mixture of ,

focuses on investigating characteristics of concrete with partial replacement of cement with Ground Granulated Blast furnace Slag (GGBS), Silica Fume & Fly ash The topic deals with the usage of GGBS, Silica Fume & Fly ash and advantages as well as disadvantages in using it in concrete Now a days...

Effect of grounded bone powder addition on the mechanical ,

addition of cement and comparing the results with the non-bone powder cement mortar at different testing ag 2 Materials and method The bone powder (BP) shown in Fig 1 was obtained by crushing animal bon The supplied bones were cleaned, boiled in water, and dried for several months to remove any organic materials...

Experimental Study on Bentonite Clay Powder with Silica ,

properties of M40 grade concrete with silica fume, GGBS and bentonite clay as partial replacement of cement B Objectives This study is focusing on partial replacement of cement with silica fume, GGBS and bentonite clay It is intended to test M40 mix • To study the fresh state and hardened state properties...

Concrete Projects Competition 2021

powder could generally be an industrial by-product such as Ground Granulated Blast Furnace Slag (GGBS), Ladle Furnace Slag (LS), Silica fume (SF), Fly Ash and thermally activated clays or a combination of all these materials, activated by alkaline solution (NaOH or KOH with Na 2 SiO 3) for production of alkali-aluminosilicate gel [4] ...

EXPERIMENTAL INVESTIGATION OF WASTE GLASS POWDER ,

This investigation looks at the partial replacement of cement by waste glass powder of size 150microns and 300microns s in the concrete Glass powder is replaced for both 150microns and 300microns for every 10%, 20% and 30% These results are compared with nominal cement concrete (Zero replacement of waste glass powder)...

Waste glass powder as partial replacement of cement for ,

Glass is principally composed of silica Use of milled (ground) waste glass in concrete as partial replacement of cement could be an important step toward development of sustainable (environmentally , (ACI, 2009) The glass powder replacement in cement was varied (0–25%) Mix proportion of concrete is shown....

Effect of Partial Replacement of Cement by Ground ,

SCMs such as Ground-granulated blast furnace slag, fly-ash, silica fume and marble powder etc 3 Ground-granulated blast furnace slag: It can also be utilizing high range of water reducer to improve compressive strength or as a super workability aid to improve flow GGBS is known as produce high strength concrete and is used in two different ....

Period #10 Notes: ADMIXTURES & CEMENT REPLACEMENT ,

Cement replacement materials are special types of naturally occurring materials or , mostly of silica, alumina and iron (Table 101), fly ash is a pozzolan--a substance containing , ground to cement fineness, hydrates like portland cement...

Effect of Partial Replacement of Cement by Mixture of ,

Effect of Partial Replacement of Cement by Mixture of Glass Powder and Silica Fume Upon Concrete Strength Engr Abdul Ghayoor khan, Dr Bazid khan Abstract—All over the world the most common consuming construction material is concrete It is well know that concrete is the combination of cement, aggregates and water The...

ROLE OF FLY ASH AND SILICA FUME ON COMPRESSIVE ,

performance concrete specimens were cast and for the combination mentioned in Table 3 Fly ash has been used as cement replacement material for ( 0%, 10%, 20% and 25% ) cement replacement level with different values of Silica fume ( 0%, 25%, 5%, 75%, 10% and 125%) by weight of cement ) MATERIALS The properties of the selected material for this...

Mitigating Alkali–Silica Reaction in Concrete ,

Apr 28, 2019· This study investigated the effectiveness of using recycled waste glass in portland cement concrete, both as a finely ground powder and as a crushed granular material For the potential of glass to undergo alkali–silica reactivity (ASR) distress to be assessed, mortar bar and miniature concrete prism tests were conducted with glass as both a ....

(PDF) USE OF SILICA SAND AS CEMENT REPLACEMENT IN PPC ,

Silica sand which is naturally available material available in the vicinity of certain hilly area was used as partial replacement of cement in concrete Replacement levels were 3-24% at an interval of 3% A nominal mix (1:1667:333) with 05 water cement ratio was used Specimens were cast for determination of compressive and split tensile ....

A Study on Effect of Crystalline Dolomite Silica as a ,

effects of using dolomite powder as a partial replacement material to cement The dolomite powder was replaced at 0%, 5%, 10%, 15%, 20% and 25% with cement of M20 grade The compressive, split tensile and flexural strengths of concrete with dolomite powder were compared with those of the reference specimens...