silica fume specific gravity

Home / Uncategorized / silica fume specific gravity
  • silica fume – wikipedia

    Silica fume – Wikipedia

    The specific gravity of silica fume is generally in the range of 2.2 to 2.3. The specific surface area of silica fume can be measured with the BET method or nitrogen …

  • silica fume -technical data sheet

    SILICA FUME -TECHNICAL DATA SHEET

    SILICA FUME -TECHNICAL DATA SHEET SILICA FUME is a very fine pozzolanic material, composed of amorphous silica produced by … Specific Gravity 2.10 to 2.40

  • silicon dioxide – wikipedia

    Silicon dioxide – Wikipedia

    Silicon dioxide, also known as silica … Specific biochemical reactions exist for mineral deposition. … Silica fume Silica fume is …

  • fly ash, slag, silica fume, and natural pozzolans, chapter 3

    Fly Ash, Slag, Silica Fume, and Natural Pozzolans, Chapter 3

    density (specific gravity) … SILICA FUME Silica fume, … Chapter 3 Fly Ash, Slag, Silica Fume, and Natural Pozzolans 3 3 …

  • density of microsilica – silica fume for sale, microsilica …

    Density of microsilica – Silica Fume for Sale, Microsilica …

    The bulk density of silica fume depends on the degree of densification in the silo and varies from 130 (undensified) to 600kg/m3 (densified). The specific gravity of silica fume is generally in the r

  • silica fume user's manual

    Silica Fume User's Manual

    iii This Manual is intended to provide practical information for individuals actually working with silica fume and silica-fume concrete. Different chapters of the

  • masterlife sf 100 – basf

    MasterLife SF 100 – BASF

    MasterLife SF 100 silica fume admixture is a micro-filling material that physically … The specific gravity of MasterLife SF 100 silica fume admixture is 2.2.

  • silica fume's specific surface area – silica fume for sale …

    Silica fume's specific surface area – Silica Fume for Sale …

    Silica fume’s specific surface area: 20-28m2/g. Calculation method of specific surface area of … The apparent specific gravity of the silica fume is 2600 kg …

  • specific gravity of general materials table – csgnetwork

    Specific Gravity Of General Materials Table – CSGNetwork

    Specific gravity of metals, unit converters included for ease of use.

  • guide for the use of silica fume in concrete

    Guide for the Use of Silica Fume in Concrete

    2.2—Specific gravity … Silica fume, a by-product of the ferrosilicon industry, … tioning silica-fume concrete for specific applications;

  • silica fume material safety data sheet – elkon products

    Silica fume Material Safety Data Sheet – Elkon Products

    Silica fume Material Safety Data Sheet . … See regulation for specific equation. – Silica fume … Specific gravity/Density: …

  • astm c1240 – 15 standard specification for silica fume used …

    ASTM C1240 – 15 Standard Specification for Silica Fume Used …

    This specification covers silica fume for use in concrete and other systems containing hydraulic cement. The material shall composed of silica fume, mostly of amorphous silica. Test methods for chemical analysis, moisture content and loss on ignition, bulk density, specific surface, air entrainment …

  • e silica fume on strength and durability parameters … – ijeset

    E SILICA FUME ON STRENGTH AND DURABILITY PARAMETERS … – Ijeset

    grade concrete with partial replacement of cement by silica fume by 0, 5, … Properties of silica fume Specific Gravity 2.2 Bulk Density 576, (Kg/m 3) Size …

  • densified silica fume powder – sika ag

    Densified Silica Fume Powder – Sika AG

    Silica fume particles have a diameter of less than 1μm; about 100 times smaller than the average cement particle. … Specific Gravity Approx. 2.26. Created Date:

  • material safety data sheet – bigfreshcontrol.com

    MATERIAL SAFETY DATA SHEET – bigfreshcontrol.com

    MATERIAL SAFETY DATA SHEET. … 1200ºC – 1300ºC* Specific Gravity: … Silica Fume is generally considered a nuisance dust of low toxicity consequently it is …

  • 3 mix design & proportioning – indiana

    3 MIX DESIGN & PROPORTIONING – Indiana

    3 MIX DESIGN & PROPORTIONING … (fly ash, GGBFS, silica fume) and … specific gravity of the material and again dividing by the density of water

  • material safety data sheet – target products

    MATERIAL SAFETY DATA SHEET – Target Products

    Concrete Related\Silica Fume Additive – 1 – Aug 15, 2017 MATERIAL SAFETY DATA SHEET … water Melting Point Boiling Point Specific Gravity …

  • metakaolin – ecosmart concrete

    Metakaolin – EcoSmart Concrete

    Metakaolin Silica Fume Specific gravity 3.09 2.50 2.20 Specific Surface Blaine fineness, m 2 /kg 373 Nitrogen Absorption, m 2 /g 16.8 20.9 Zhang & Malhotra (1995)

  • investigations on microsilica (silica fume) as partial cement …

    Investigations on Microsilica (Silica Fume) As Partial Cement …

    Silica fume concrete. The specific gravity and chemical composition of … Investigations on Microsilica (Silica Fume) As Partial Cement Replacement in Concrete G lob

  • effect of silica fume on index properties of black cotton soil

    EFFECT OF SILICA FUME ON INDEX PROPERTIES OF BLACK COTTON SOIL

    The research paper published by IJSER journal is about EFFECT OF SILICA FUME ON INDEX PROPERTIES OF BLACK COTTON … of specific gravity for clay –silica fume …

  • silica fume -technical data sheet

    SILICA FUME -TECHNICAL DATA SHEET

    SILICA FUME -TECHNICAL DATA SHEET SILICA FUME is a very fine pozzolanic material, composed of amorphous silica produced by … Specific Gravity 2.10 to 2.40

  • silica fume – wikipedia

    Silica fume – Wikipedia

    The specific gravity of silica fume is generally in the range of 2.2 to 2.3. The specific surface area of silica fume can be measured with the BET method or nitrogen …

  • silica fume user's manual

    Silica Fume User's Manual

    Silica Fume User’s Manual … This Manual is intended to provide practical information for individuals actually working with silica fume and silica-fume concrete.

  • fly ash, slag, silica fume, and natural pozzolans, chapter 3

    Fly Ash, Slag, Silica Fume, and Natural Pozzolans, Chapter 3

    density (specific gravity) … SILICA FUME Silica fume, … Chapter 3 Fly Ash, Slag, Silica Fume, and Natural Pozzolans 3 3 …

  • specific gravity of silica fume – silica fume for sale …

    specific gravity of silica fume – Silica Fume for Sale …

    Silica fume – Wikipedia. The specific gravity of silica fume is generally in the range of 2.2 to 2.3. The specific surface area of silica fume can be measured with …

  • guide for the use of silica fume in concrete

    Guide for the Use of Silica Fume in Concrete

    2.2—Specific gravity … Silica fume, a by-product of the ferrosilicon industry, … tioning silica-fume concrete for specific applications;

  • specific gravity of silica fume wholesale, fume suppliers …

    Specific Gravity Of Silica Fume Wholesale, Fume Suppliers …

    Alibaba.com offers 16 specific gravity of silica fume products.

  • bulk specific gravity – silica fume for sale, microsilica …

    bulk specific gravity – Silica Fume for Sale, Microsilica …

    Silica fume, microsilica fume supplier in China, mainly supply undensified/densified 85% silica fume, 92% silica fume, 94% silica fume, 96% silica fume,

  • density of microsilica – silica fume for sale, microsilica …

    Density of microsilica – Silica Fume for Sale, Microsilica …

    The bulk density of silica fume depends on the degree of densification in the silo and varies from 130 (undensified) to 600kg/m3 (densified). The specific gravity of …

  • microsilica – mapei

    Microsilica – Mapei

    Microsilica has no internal porosity, and the specific gravity of Microsilica is about 2.3 g/cm3. … Microsilica Silica Fume General Resource Technology, Inc. …

  • masterlife sf 100 – basf

    MasterLife SF 100 – BASF

    MasterLife SF 100 silica fume admixture is a micro-filling material that physically … The specific gravity of MasterLife SF 100 silica fume admixture is 2.2.

  • silicon dioxide – wikipedia

    Silicon dioxide – Wikipedia

    Silicon dioxide, also known as silica … Specific biochemical reactions exist for mineral deposition. … Silica fume Silica fume is …

  • micro silica fume homepage

    micro silica fume Homepage

    Newreach Silica Fume. Silica Fume,Microsilica,Undensified Silica Fume,Undensified Microsilica,Densified Silica Fume,Densified Microsilica,Silica … Specific Surface …

  • e silica fume on strength and durability parameters of concrete

    E SILICA FUME ON STRENGTH AND DURABILITY PARAMETERS OF CONCRETE

    grade concrete with partial replacement of cement by silica fume by 0, 5, … Properties of silica fume Specific Gravity 2.2 Bulk Density 576, (Kg/m 3) Size …

  • silica fume material safety data sheet – elkon products

    Silica fume Material Safety Data Sheet – Elkon Products

    Silica fume Material Safety Data Sheet . … See regulation for specific equation. – Silica fume … Specific gravity/Density: …

  • material safety data sheet – target products

    MATERIAL SAFETY DATA SHEET – Target Products

    Concrete Related\Silica Fume Additive – 1 – Aug 15, 2017 MATERIAL SAFETY DATA SHEET … water Melting Point Boiling Point Specific Gravity …

  • astm c1240 – 15 standard specification for silica fume used …

    ASTM C1240 – 15 Standard Specification for Silica Fume Used …

    C1240 – 15 Standard Specification for Silica Fume Used in Cementitious Mixtures ,

  • best high quality specific gravity of silica fume … – alibaba

    Best High Quality Specific Gravity Of Silica Fume … – Alibaba

    Best High Quality Specific Gravity Of Silica Fume In Concrete Pdf , Find Complete Details about Best High Quality Specific Gravity Of Silica Fume In Concrete Pdf …

  • microsilica 600 – golden bay

    Microsilica 600 – Golden Bay

    “silica fume”. Microsilica 600 complies in all respects to this Standard. Microsilica 600 meets the performance requirements of the Australian Standard

  • silica fume's specific surface area – silica fume for sale …

    Silica fume's specific surface area – Silica Fume for Sale …

    Silica fume’s specific surface area: 20-28m2/g. Calculation method of specific surface area of … The apparent specific gravity of the silica fume is 2600 kg …

  • silica fume -technical data sheet

    SILICA FUME -TECHNICAL DATA SHEET

    SILICA FUME -TECHNICAL DATA SHEET SILICA FUME is a very fine pozzolanic material, composed of amorphous silica produced by … Specific Gravity 2.10 to 2.40

  • silica fume – wikipedia

    Silica fume – Wikipedia

    The specific gravity of silica fume is generally in the range of 2.2 to 2.3. The specific surface area of silica fume can be measured with the BET method or nitrogen …

  • fly ash, slag, silica fume, and natural pozzolans, chapter 3

    Fly Ash, Slag, Silica Fume, and Natural Pozzolans, Chapter 3

    density (specific gravity) … SILICA FUME Silica fume, … Chapter 3 Fly Ash, Slag, Silica Fume, and Natural Pozzolans 3 3 …

  • specific gravity of silica fume, specific gravity of silica …

    Specific Gravity Of Silica Fume, Specific Gravity Of Silica …

    Specific Gravity Of Silica Fume, Wholesale Various High Quality Specific Gravity Of Silica Fume Products from Global Specific Gravity Of Silica Fume Suppliers and …

  • silica fume specific gravity – silica fume for sale …

    silica fume specific gravity – Silica Fume for Sale …

    Silica fume, microsilica fume supplier in China, mainly supply undensified/densified 85% silica fume, 92% silica fume, 94% silica fume, 96% silica fume,

  • guide for the use of silica fume in concrete

    Guide for the Use of Silica Fume in Concrete

    2.2—Specific gravity … Silica fume, a by-product of the ferrosilicon industry, … tioning silica-fume concrete for specific applications;

  • silica fume specific gravity buyers & importers

    Silica Fume Specific Gravity Buyers & Importers

    Silica Fume Specific Gravity importers directory of silica fume specific gravity buyers, silica fume specific gravity purchasers, buying houses and buying agents.

  • silica fume user's manual

    Silica Fume User's Manual

    Silica Fume User’s Manual … This Manual is intended to provide practical information for individuals actually working with silica fume and silica-fume concrete.

  • e silica fume on strength and durability parameters of concrete

    E SILICA FUME ON STRENGTH AND DURABILITY PARAMETERS OF CONCRETE

    grade concrete with partial replacement of cement by silica fume by 0, 5, … Properties of silica fume Specific Gravity 2.2 Bulk Density 576, (Kg/m 3) Size …

  • silicon dioxide – wikipedia

    Silicon dioxide – Wikipedia

    [clarification needed] Specific biochemical reactions exist for mineral deposition. Such reactions include those that involve lipids, … Silica fume …

  • masterlife sf 100 – basf

    MasterLife SF 100 – BASF

    MasterLife SF 100 silica fume admixture is a micro-filling material that physically … The specific gravity of MasterLife SF 100 silica fume admixture is 2.2.

  • silica fume material safety data sheet – elkon products

    Silica fume Material Safety Data Sheet – Elkon Products

    Silica fume Material Safety Data Sheet . … See regulation for specific equation. – Silica fume … Specific gravity/Density: …

  • silica fume | concrete | fly ash – scribd

    Silica Fume | Concrete | Fly Ash – Scribd

    silica (Silica Fume) … there is a decrease in splitting tensile strength for 28 days curing period to the controlled mix.03 Specific Gravity 2.5-4. 10.5 and 15 …

  • effects of metakaolin and silica fume on properties of concrete

    Effects of Metakaolin and Silica Fume on Properties of Concrete

    The effects of metakaolin and silica fume on various properties of concrete were investigated and compared in this study. … with a specific gravity of 3.15 and a

  • microsilica – mapei

    Microsilica – Mapei

    Microsilica has no internal porosity, and the specific gravity of Microsilica is about 2.3 g/cm3. … Microsilica Silica Fume General Resource Technology, Inc. …

  • silica fume specific gravity suppliers & exporters

    Silica Fume Specific Gravity Suppliers & Exporters

    Silica Fume Specific Gravity suppliers directory listing silica fume specific gravity manufacturers, distributors, exporters, silica fume specific gravity producer …

  • astm c1240 – 15 standard specification for silica fume used …

    ASTM C1240 – 15 Standard Specification for Silica Fume Used …

    C1240 – 15 Standard Specification for Silica Fume Used in Cementitious Mixtures ,

  • silica fume concrete | concrete | silicon dioxide

    SILICA FUME CONCRETE | Concrete | Silicon Dioxide

    What is Silica Fume? • Silica Fume is an artificial pozzolona having … to normal concrete ,it is better as silica fume concrete in … SPECIFIC GRAVITY OF …

  • micro silica fume homepage

    micro silica fume Homepage

    Newreach Silica Fume. Silica Fume,Microsilica,Undensified Silica Fume,Undensified Microsilica,Densified Silica Fume,Densified Microsilica,Silica … Specific Surface …

  • best high quality specific gravity of silica fume … – alibaba

    Best High Quality Specific Gravity Of Silica Fume … – Alibaba

    Best High Quality Specific Gravity Of Silica Fume In Concrete Pdf , Find Complete Details about Best High Quality Specific Gravity Of Silica Fume In Concrete Pdf …

  • silica fume -technical data sheet

    SILICA FUME -TECHNICAL DATA SHEET

    SILICA FUME -TECHNICAL DATA SHEET SILICA FUME is a very fine pozzolanic material, composed of amorphous silica produced by … Specific Gravity 2.10 to 2.40

  • silica fume – wikipedia

    Silica fume – Wikipedia

    The specific gravity of silica fume is generally in the range of 2.2 to 2.3. The specific surface area of silica fume can be measured with the BET method or nitrogen …

  • silica fume specific gravity – silica fume for sale …

    silica fume specific gravity – Silica Fume for Sale …

    Silica fume, microsilica fume supplier in China, mainly supply undensified/densified 85% silica fume, 92% silica fume, 94% silica fume, 96% silica fume,

  • specific gravity of microsilica – silica fume for sale …

    specific gravity of microsilica – Silica Fume for Sale …

    Aug 14, 2014 · Silica fume – Wikipedia Silica fume, also known as microsilica, … The specific gravity of silica fume is generally in the range of 2.2 to 2.3.

  • specific gravity of silica fume, specific gravity of silica …

    Specific Gravity Of Silica Fume, Specific Gravity Of Silica …

    Alibaba.com offers 16 specific gravity of silica fume products. About 6% of these are oxide. A wide variety of specific gravity of silica fume options are available …

  • "chapter 3 fly ash,slag,silica fume,and natural pozzolans"

    "Chapter 3 Fly Ash,Slag,Silica Fume,and Natural Pozzolans"

    density (specific gravity) … SILICA FUME Silica fume, … Chapter 3 Fly Ash, Slag, Silica Fume, and Natural Pozzolans 3 3 …

  • guide for the use of silica fume in concrete

    Guide for the Use of Silica Fume in Concrete

    2.2—Specific gravity … Silica fume, a by-product of the ferrosilicon industry, … tioning silica-fume concrete for specific applications;

  • silica fume user's manual

    Silica Fume User's Manual

    Silica Fume User’s Manual … This Manual is intended to provide practical information for individuals actually working with silica fume and silica-fume concrete.

  • effect of silica fume on strength and durability parameters

    Effect of Silica Fume on Strength and Durability Parameters

    grade concrete with partial replacement of cement by silica fume by 0, 5, … Properties of silica fume Specific Gravity 2.2 Bulk Density 576, (Kg/m 3) Size …

  • silicon dioxide – wikipedia

    Silicon dioxide – Wikipedia

    Silicon dioxide, also known as silica … Specific biochemical reactions exist for mineral deposition. … Silica fume Silica fume is …

  • silica fume material safety data sheet – elkon products

    Silica fume Material Safety Data Sheet – Elkon Products

    Silica fume Material Safety Data Sheet . … See regulation for specific equation. – Silica fume … Specific gravity/Density: …

  • effects of metakaolin and silica fume on properties of concrete

    Effects of Metakaolin and Silica Fume on Properties of Concrete

    The effects of metakaolin and silica fume on various properties of concrete were investigated and compared in this study. … with a specific gravity of 3.15 and a

  • astm c1240 – 15 standard specification for silica fume used …

    ASTM C1240 – 15 Standard Specification for Silica Fume Used …

    C1240 – 15 Standard Specification for Silica Fume Used in Cementitious Mixtures ,

  • microsilica – mapei

    Microsilica – Mapei

    Microsilica has no internal porosity, and the specific gravity of Microsilica is about 2.3 g/cm3. … Microsilica Silica Fume General Resource Technology, Inc. …

  • masterlife sf 100 – basf

    MasterLife SF 100 – BASF

    MasterLife SF 100 silica fume admixture is a micro-filling material that physically … The specific gravity of MasterLife SF 100 silica fume admixture is 2.2.

  • silica fume specific gravity suppliers & exporters

    Silica Fume Specific Gravity Suppliers & Exporters

    Silica Fume Specific Gravity suppliers directory listing silica fume specific gravity manufacturers, distributors, exporters, silica fume specific gravity producer …

  • silica fume specific gravity buyers & importers

    Silica Fume Specific Gravity Buyers & Importers

    Silica Fume Specific Gravity importers directory of silica fume specific gravity buyers, silica fume specific gravity purchasers, buying houses and buying agents.

  • target products ltd.

    Target Products Ltd.

    TARGET DSF is a classified densified silica fume · Appearance: dark grey powder · Specific gravity: 2.2 · Densified bulk density: …

  • the effect of silica fume on the properties of concrete as …

    THE EFFECT OF SILICA FUME ON THE PROPERTIES OF CONCRETE AS …

    the effect of silica fume on the properties of concrete as defined in concrete society report 74, cementitious materials … specific gravity 2.2 2.9 2.2

  • silica fume concrete | concrete | silicon dioxide

    SILICA FUME CONCRETE | Concrete | Silicon Dioxide

    What is Silica Fume? • Silica Fume is an artificial pozzolona having high … to normal concrete ,it is better as silica fume concrete in … SPECIFIC GRAVITY OF …

  • silica fume -technical data sheet

    SILICA FUME -TECHNICAL DATA SHEET

    SILICA FUME -TECHNICAL DATA SHEET SILICA FUME is a very fine pozzolanic material, composed of amorphous silica produced by … Specific Gravity 2.10 to 2.40

  • silica fume – wikipedia

    Silica fume – Wikipedia

    The specific gravity of silica fume is generally in the range of 2.2 to 2.3. The specific surface area of silica fume can be measured with the BET method or nitrogen …

  • silica fume user's manual

    Silica Fume User's Manual

    Silica Fume User’s Manual … This Manual is intended to provide practical information for individuals actually working with silica fume and silica-fume concrete.

  • silicon dioxide – wikipedia

    Silicon dioxide – Wikipedia

    Silicon dioxide, also known as silica … Specific biochemical reactions exist for mineral deposition. … Silica fume Silica fume is …

  • fly ash, slag, silica fume, and natural pozzolans, chapter 3

    Fly Ash, Slag, Silica Fume, and Natural Pozzolans, Chapter 3

    density (specific gravity) … SILICA FUME Silica fume, … Chapter 3 Fly Ash, Slag, Silica Fume, and Natural Pozzolans 3 3 …

  • specific gravity of silica fume, specific gravity of silica …

    Specific Gravity Of Silica Fume, Specific Gravity Of Silica …

    Alibaba.com offers 16 specific gravity of silica fume products. About 6% of these are oxide. A wide variety of specific gravity of silica fume options are available …

  • microsilica – mapei

    Microsilica – Mapei

    Microsilica has no internal porosity, and the specific gravity of Microsilica is about 2.3 g/cm3. … Microsilica Silica Fume General Resource Technology, Inc. …

  • silica fume's specific surface area – silica fume for sale …

    Silica fume's specific surface area – Silica Fume for Sale …

    Silica fume’s specific surface area: 20-28m2/g. Calculation method of specific surface area of … The apparent specific gravity of the silica fume is 2600 kg …

  • guide for the use of silica fume in concrete

    Guide for the Use of Silica Fume in Concrete

    2.2—Specific gravity … Silica fume, a by-product of the ferrosilicon industry, … tioning silica-fume concrete for specific applications;

  • silica fume material safety data sheet – elkon products

    Silica fume Material Safety Data Sheet – Elkon Products

    Silica fume Material Safety Data Sheet . … See regulation for specific equation. – Silica fume … Specific gravity/Density: …

  • effect of silica fume on strength and durability … – ijeset

    Effect of Silica Fume on Strength and Durability … – Ijeset

    grade concrete with partial replacement of cement by silica fume by 0, 5, … Properties of silica fume Specific Gravity 2.2 Bulk Density 576, (Kg/m 3) Size …

  • masterlife sf 100 – basf

    MasterLife SF 100 – BASF

    MasterLife SF 100 silica fume admixture is a micro-filling material that physically … The specific gravity of MasterLife SF 100 silica fume admixture is 2.2.

  • silica fume specific gravity suppliers & exporters

    Silica Fume Specific Gravity Suppliers & Exporters

    Silica Fume Specific Gravity suppliers directory listing silica fume specific gravity manufacturers, distributors, exporters, silica fume specific gravity producer …

  • silica fume concrete | concrete | silicon dioxide

    SILICA FUME CONCRETE | Concrete | Silicon Dioxide

    What is Silica Fume? • Silica Fume is an artificial pozzolona having high … to normal concrete ,it is better as silica fume concrete in … SPECIFIC GRAVITY OF …

  • aerosil® fumed silica

    AEROSIL® fumed silica

    Effects with Silica now available. AEROSIL® fumed silica and SIPERNAT® specialty silica are essential for many products of daily life and for industrial intermediates.

  • silica fume densified – target products ltd.

    SILICA FUME DENSIFIED – Target Products Ltd.

    SILICA FUME DENSIFIED … mix with specific performance characteristics, contact your local TARGET … • Specific gravity: 2.2

  • silica fume microsilica | professional profile

    Silica Fume Microsilica | Professional Profile

    View Silica Fume Microsilica … of silica fume depends on the metal,and weight usually varies from 130 to 430 kg/mʒ.The specific gravity of silica fume is generally …

  • what is silica fume?

    What is Silica Fume?

    Silica fume is a byproduct of producing silicon metal or ferrosilicon alloys. One of the most beneficial uses for silica fume is in concrete. Because of its chemical …

  • silica fume | concrete | fly ash – scribd

    Silica Fume | Concrete | Fly Ash – Scribd

    silica (Silica Fume) … of Cement and Admixtures Physical and Chemical Properties of Cement and Admixtures Property/ Composition Cement Fly Ash Specific Gravity 3.5 …

  • astm c1240 – 15 standard specification for silica fume used …

    ASTM C1240 – 15 Standard Specification for Silica Fume Used …

    C1240 – 15 Standard Specification for Silica Fume Used in Cementitious Mixtures ,