disadvantages in ggbs concrete ppt

Advantages And Disadvantage Of Prestressed Concrete

Advantages Of Ggbs In Concrete vnd5jr9ze9lx - Advantages Of GGBS In Concrete Ground granulated blastfurnace slag GGBS is a hydraulic binder i e a cement which has been known and used for 150 years It improves the quality and durability of concrete and its production is virtually CO2 free

Introduction to Composite Construction Advantages of ...

• Concrete is installed by a concrete contractor on top of the composite metal decking, shear connectors, and welded wire fabric or rebar grid (crack control reinforcing) • Pumping is a typical installation method for concrete being placed on metal decking 14 • 10,000 to 15,000 sq. ft. of concrete slab may be installed per day depending

What is the disadvantage of the usage of GGBS in concrete ...

If steel manufacturing isn''t local the cost goes up due to transportation costs. In order to get most of the corrosion resistance from GGBS the ratio reduces the 28 day and ultimate strength of the concrete. But this almost always is quite a bit h...

Carbonation resistance of GGBS concrete | Magazine of ...

 · Comparing GGBS concrete carbonation data with FA concrete carbonation data reported previously by the authors (Lye et al., 2015), the main similarities and dissimilarities are as follows. (i) Similarities. The increase in carbonation rate of both GGBS and FA concrete with respect to PC concrete designed on an equal w/c ratio basis is higher ...

What are the disadvantages of fiber reinforced concrete ...

Fiber Reinforced concrete is used to improve the performance of concrete cracking and shrinkage problems. The biggest problem of concrete is it''s stiffness. As soon as some tension is developed, it will lose its stiffness. Specifically in nonlinea...

A STUDY ON PARTIAL REPLACEMENT OF CEMENT WITH …

On its own, GGBS hardens very slowly and for use in concrete, it needs to be activated by combining it with Portland cement, but percentage of GGBS anywhere between 20 and 80 percent are commonly used. The greater the percentage of GGBS, the greater will be the effort on concrete properties.

SPECIAL CONCRETE

GGBS concrete may show mottled green or bluish-green areas on the surface mainly due to the presence of a small amount of sulphide. ... Disadvantages. High neutron and gamma ray attenuation.

disadvantages of silica fume in concrete | Silica fume ...

 · disadvantages of silica fume in concrete. 1. Silica fume concrete is too viscous and difficult to apply is not easy to wipe the surface. 2. Silica fume requires a high amount of water and needs to be used with a superplasticizer. 3. The price of silica fume is relatively high compared to cement and fly ash. In unnecessary situations, it does ...

advantages and disadvantages of hammer mill ppt

Disadvantages In Ggbs Concrete Ppt. Disadvantages In Ggbs Concrete Ppt Concrete containing GGBS cement has a higher ultimate strength than concrete that uses% Portland cement.The difference in the ONLINE sulphur grindin roller mill tampracher permissable. latest research papers in self compacting concrete ppt.

ppt on slag cement benefits

Get details of advantages and disadvantages of portland slag cement.We collected most searched pages ... use of steel slag as aggregate in concrete powerpoint, ... AmericanReadyMix Slag will enhance your concrete and is a value added product.

Use of GGBS Precast Plank with OPC Insitu Concrete Topping ...

Concrete type cement GGBS 20mm 10mm crush fine water admixture(D17D) admixture(QL-5) C45/20 OPC 450 770 325 600 175 (w/c =0.388) 5.34 litres C45/20 GGBS 292 158 785 325 585 170 (w/b=0.377 6.86 litres C35/20 420 690 285 710 205 (w/c=0.488) 2.52 litres 9 . …

Monolithic Dome Construction | Advantages & Disadvantages ...

 · Special clips are affixed to the foam interior, and rebar is installed. Finally concrete is poured over the air form, rebar, and foam supporters and dome like shape emerges. Steps of Construction Step 1. Ring Beam Foundation; Monolithic Dome starts as a concrete ring foundation. Continuous reinforcing bars are embedded in the ring beam foundation.

special types of concrete

Concrete is by definition a composite material consisting essentially of a binding medium and aggregate particles, and it can take many forms. • These concretes do have advantages as well as disadvantages. 3. Types of special concrete 1. High Volume Fly Ash Concrete. 2. Silica fume concrete. 3. GGBS, Slag based concrete. 4. Ternary blend ...

What is the advantage of using GGBS as replacement of ...

Another major hurdle of extensive use of GGBS concrete lies in the little source of supply of GGBS. As Hong Kong is not a major producer of steel, GGBS as a by-product of steel has to be imported overseas and this introduces higher material cost due to transportation and the supply of GGBS …

GGBS PPT

 · GGBS PPT 1. EFFECTS OF GGBS ON GEOTECHNICAL PROPERTIES OF BLACK COTTON SOIL Under the guidance of Shri. B.M. Gudadappanavar Assistant Professor DEPARTMENT OF CIVIL ENGINEERING PRESENTED BY: ABHIJEET KUMAR SINGH 2SD11CV001 AQUIB NASIR RAZI 2SD11CV009 DIBYAJYOTI SARMA 2SD11CV020 KAMLESH KUMAR 2SD11CV031 8th …

Advantages of GGBS in Concrete | Concrete | Cement

Advantages Of GGBS In Concrete. Ground granulated blastfurnace slag (GGBS) is a hydraulic binder, i.e. a cement, which has been known and used for 150 years. It improves the quality and durability of concrete, and its production is virtually CO 2-free.Yet its many advantages in producing sustainable, high-quality concrete remain underappreciated and underused.

Advantages Of Ggbs In Concrete [vnd5jr9ze9lx]

Advantages Of GGBS In Concrete Ground granulated blastfurnace slag (GGBS) is a hydraulic binder, i.e. a cement, which has been known and used for 150 years. It improves the quality and durability of concrete, and its production is virtually CO2-free. Yet its many advantages in producing sustainable, high-quality concrete remain underappreciated ...

Ground Granulated Blast Furnace Slag

Ground granulated blast furnace slag (GGBS) was employed as the main component of an alternative binder. Ground agricultural gypsum and construction-grade hydrated lime were used as activators in the proportions of 0.88:0.10:0.02 (GGBS:gypsum:lime) by mass as previously discussed (Oliveira et al., 1999).Sisal (Agave sisalana) field by-product was selected from a variety of Brazilian fibrous ...

What is GGBS? Its Advantages and Disadvantages ...

 · What is Ground Granulated Blast Furnace Slag (GGBS)? The ground granulated blast furnace slag (GGBS) is a by-product of iron manufacturing which when added to concrete improves its properties such as workability, strength, and …

GGBS

 · GGBS. 1. Changing the face of concrete Avinash Shaw Department of Civil Engineering NIT Durgapur Prof. A. K. Samanta. 2. Ground-Granulated Blast-furnace Slag Sometimes, also referred to as GGBFS Obtained by quenching molten iron slag …

GGBS

 · GGBS concrete provides the resistance to internal reaction such as an alkali-aggregate reaction. Ground granulated blast furnace slag is not only used in concrete and other applications but is used in in-situ stabilization of soil too. Disadvantages of GGBS .

What are the disadvantages of Portland slag cement?

What are the disadvantages of Portland slag cement? If you were where I am, I''d suggest the first and most apparent disadvantage is that it indicates that you are not familiar with the terminology we use. I think you are talking of a blend of Port...

joe presentation different concrete groups

View joe presentation different concrete groups.ppt from CIVIL ENGI CE25 at Technological University of the Philippines Manila. Advantages, disadvantages and Usage List of Concrete Groups Group 1

Experimental Behavior of Reinforced Concrete with Partial ...

concrete. GGBS slag is obtained by quenching molten iron slag from a blast furnace in water or steam, to produce a glassy, granular product that is then dried and ground into a fine powder. In this project it is proposed to study the Experimental Behavior of Reinforced Concrete with Partial Replacement of ...

Ground granulated blast furnace slag ggbs

 · Cement with GGBS replacement has emerged a major alternative to conventional concrete and has rapidly drawn attention of concrete industry due to its cement saving, energy saving, cost saving and environmental benefits. This research work focuses on strength characteristics analysis of M20, M25, M30, M35, M40, M45, M50 grade concrete with ...

Engineering Benefits of GGBS in Concrete – Mastercivilengineer

 · GGBS in concrete improves resistance to sulfate attack due to the reduction of Ca (OH) 2 and lower the C 3 A content. GGBS in concrete reduces the diffusion of chloride ions and hence improves the resistance against corrosion. The total shrinkage of concrete containing ground granulated blast furnace slag (GGBS) was lower than Portland cement.

Partial Replacement of Cement with GGBS in Concrete

The concrete slump test measures the consistency of fresh concrete before it sets. It is performed to check the workability of freshly made concrete, and therefore the ease with which concrete flows. It can also be used as an indicator of an improperly mixed batch. Slump Cone Test Slump test Mix Slump Value (mm) Normal Concrete 61 20 % GGBS 63

ppt on high performance concrete using ggbs and robo sand

disadvantages in ggbs concrete ppt. ppt on high performance concrete using ggbs and robo, ggbs pptseminarsprojects Are you looking for ggbs ppt ?, HIGH PERFORMANCE CONCRETE WITH GGBS AND ROBO SAND PROJECT REPORT, ppt high performance concrete. 【Service Online】 AN EXPERIMENTAL STUDY OF USING

disadvantages of concrete mix design

Disadvantages In Ggbs Concrete Ppt … Nominal mixtures of fixed cement- aggregate ratio (by volume) vary extensively in strength and should result in fewer or over content mixtures.eval(ez_write_tag([[300,250],''constructionor_com-medrectangle-4'',''ezslot_5'',109,''0'',''0''])); For this reason, minimal compressive strength included in many features ...

Ground Granulated Blast Furnace Slag in Concrete and its ...

Hence the use of GGBFS in concrete manufacture would give a light and brighter color to concrete unlike the dark grey color of ordinary cement concrete structures. This is an added advantage of GGBFS in terms of aesthetics. The typical properties of GGBS are given in Table-2. Table 2. Physical properties of GGBFS (As per Tasong et.al)

Advantages and disadvantages of prestressed concrete ...

Prestressed concrete construction has the following disadvantages: High quality heavy duty dense concrete is required. Perfect concrete quality in the production, laying and compaction required. High strength steel is required, which is 2.5 to 3.5 times more expensive than mild steel. It requires complicated tension equipment and anchoring ...

Advantages and Disadvantages of Silica Fume in Concrete

Disadvantages of silica fume in concrete: 1. dry shrinkage. Silica fume concrete shrinkage rate is large, especially early dry shrinkage, easy to make crack in the application of silica fume concrete, affect the overall strength and using effect. For example, after construction, strengthening water and sprinkler

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

at least 60% of ready mixed concrete (2000PCA). ASTMC 311 provides test methods for fly ash and natural pozzolans for use as supplementary cementitious material in concrete. FLY ASH Fly ash, the most widely used supplementary cementitious material in concrete, is a byproduct of the combustion of pulverized coal in electric power generating ...

Ground Granulated Blast Furnace Slag Conclusion

Compared to concrete produced with only OPC, the GGBS blend produced concrete tend to have a slightly higher tensile strength and elastic modulus for a given compressive strength. Generally, GGBS makes it easier to achieve a good surface finish. In addition the colour of concrete will be lighter than concrete produced with only OPC. Durability

Ground Granulated Blast Furnace Slag (Ggbs or Ggbfs) and ...

GGBS concrete strength, GGBS give sustainable gain and strength 30% of GGBS strength decrease compared with control of concrete .A 30% of replacement gives 13.13%in compressive strength gives 6.97% for 28 days[5]. Cement is use as a binder material in conventional concrete …

PPT – FIBRE REINFORCED CONCRETE PowerPoint presentation ...

Mixing. FIBRE REINFORCED CONCRETE. 1. Relative Fibre Matrix Stiffness. Modulus of elasticity of matrix must be much lower than that of fibre. E.g. steel, glass, carbon. – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow - id: 7f1771-ZmEyM

ggbs concrete disadvantages

Disadvantages In Ggbs Concrete Ppt. Use of GGBS in concrete is recognized by LEED . Ground granulated blast furnace slag (GGBS) is by-product from the… LEAEN MORE. as a result of using GGBS cement – IWEA – Wind Energy. as a result of using GGBS cement … place in the concrete market 2004: … The use of GGBS in Concrete …

EXPERIMENTAL STUDY ON MECHANICAL PROPERTIES OF FLY …

the mechanical properties of fly ash and GGBS based geopolymer concrete. In this study, fly ash was replaced at different levels (0%, 25%, 50%, 75% and ) by GGBS. Sodium hydroxide (14 M) and Sodium silicate solution is used as alkaline activator in 1:1 ratio. M-25 grade of