Self compacting concrete | PPT
Self compacting concrete - Download as a PDF or view online for free. Submit Search. ... (Grade 43) was used. Its physical properties are as given in Table 1. Physical property Results obtained IS: 8112-1989 [4] specifications …
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"BACTERIAL CONCRETE" ppt | PPT
"BACTERIAL CONCRETE" ppt - Download as a PDF or view online for free "BACTERIAL CONCRETE" ppt - Download as a PDF or view online for free ... In this study, bacterial concrete is to be prepared under grade of concrete OPC 43.The design mix proportioning also carried under IS code provision. Testing of specimens are carried at 7 days …
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Study on the behaviour of using human hair as a fiber …
MIXING Mixing is done according to the grade of concrete. In this project we used M 20 grade of concrete. In normal block we used 1:1.5:3 ratio. In blocks we used the same ratio by the weight of cement of (HAIR FIBER) in …
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Coconut shell as coarse aggregate in the concrete | PPT
Experimental Investigations waste water treatment using constructed wetlands 11 The test was carried out for M20 grade concrete. design of M20 grade of concrete with and without coconut shell was carried out for maximum permissible w/c ratio of 0.55. The test was done by replacing CA by CS in the proportions (i) 10%, (ii) 20%, (iii) 30% and (iv ...
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Special concrete | PPT
Special concrete - Download as a PDF or view online for free. ... • When the grade of concrete exceeds M35, then the concrete may be called as high strength concrete. • In general, producing of HSC is difficult with the use of conventional materials like cement, aggregate and water alone and it can be achieved by using of chemical and ...
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1. cement ppt | PPT
19. (6) LOW HEAT CEMENT: • Low percentage of tri-calcium aluminates (C3A) and silicate (C3S) and high %age of di-calcium silicate (C2S) to keep heat generation low. • Very slow rate of developing strength as rate of C3S Content is low. •Heat evolved @ 7 days-66 cal/g and 28 days-75 cal/g •initial set time-1 hr, final set time-10 hrs •Better resistance to chemical …
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setting of cement ppt download. – Grinding Mill China
grouting cement ppt PPT Powerpoint Presentations and Slides …. grouting cement ppt – PPT slides, PowerPoint presentations for download – Avoid cement sedimentation during grouting. Decrease the setting time index and … » More detailed! GLASS IONOMER CEMENT – UtechDMD2015 – home. Protection of cement during setting:- Glass ionomer cement is …
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Grade Of Concrete Ppt Download Beltconveyers Net
PPT ON GREEN CONCRETE BY TANMAY KUMAR - Download as a PDF or view online for free ... The uses of structural grade lightweight concrete reduce considerably the selfload of a …
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HIGH STRENGTH CONCRETE PPT | PPT
3. HISTORY OF CONCRETE: • The word concrete comes from the Latin word "concretus" Which means compact or condensed. • German archaeologist Heinrich Schliemann found concrete floors, which were made of …
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Concrete mix design | PPT
Concrete mix design - Download as a PDF or view online for free ... Cement Content Kg/M3 Max. free W/C Ratio Min. Grade of Concrete Minimu m Cement Content Maximum water Cement Ratio Content Min. Grade of Concrete Mild 220 0.60 --- 300 0.55 M 20 Moderate 240 0.60 M 15 300 0.50 M 25 Severe 250 0.50 M 20 320 0.45 M 30 Very severe 260 0.45 M …
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Curing of concrete | PPT
Methods to Cure Concrete Methods of curing concrete broadly fall into the following categories: 1.Water curing-preventing the moisture loss from the concrete surface by continuously wetting the exposed surface of concrete. 2.Membrane curing-minimizing moisture loss from the concrete surface by covering it with an impermeable membrane. 3.Steam ...
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Pervious Concrete ppt | PPT
Pervious Concrete ppt - Download as a PDF or view online for free. ... Any grade of cement with different properties can be used as per IS 269-1976. • COARSE AGGREGATE: Crushed stone of nominal sizes 10mm and 20mm are used with a specific gravity of 2.85 and 2.5 respectively and used for casting the specimens. • WATER: Potable water is used ...
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Concrete repair | PPT
17. Repair Methodology:1. Remove all distressed concrete from the affected structural area and a minimum of 20 mm behind the steel reinforcement.2. Sand blast substrate to remove loose concrete and to remove the corrosion in the steel.3. Reinforcement which has lost more than 15% of its cross sectional area shall be supplemented with new reinforcement.4.
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recycled aggregate concrete ppt presentation slide download.md
Contribute to dinglei2022/en development by creating an account on GitHub.
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Concrete and abstract noun | PPT
Concrete and abstract noun - Download as a PDF or view online for free. ... It also distinguishes between concrete and abstract nouns, listing examples of each. Concrete nouns are tangible things that can be perceived by senses, while abstract nouns represent ideas and qualities that cannot be perceived.
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Geopolymer concrete | PPT
13. • The target slump is in the range 6 to 8 inches, spread in the range 11 to 13 inches and compaction factor > 95% was recognised as standard to define the fresh state properties of paving grade concrete. • Figure 1 represents the slump test and Figure 2 represents the spread test. • The compaction factor values of all the mixes were comparable to the set …
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Non destructive test on concrete | PPT
PULL-OUT TESTS ON CONCRETE A pull-out test measures, with a special ram, the force required to pull from the concrete a specially shaped steel rod whose enlarged end has been cast into the concrete to a depth of 3 in. (7.6 cm). The concrete is simultaneously in tension and in shear, but the force required to pull the concrete out can be related ...
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Mix Design of Concrete | PPT
Mix Design of Concrete - Download as a PDF or view online for free. Submit Search. Mix Design of Concrete ... Standard Mixes • IS 456-2000 has designated the concrete mixes into a number of grades as M10, M15, …
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Project report on concrete mix design of grade presentation
5. ContdContd… S d• Sand : • (1) granular material passing the 9.5 mm (3/8 in.) sieve and almost entirely passing the 4 75 mm (No 4) sieveand almost entirely passing the 4.75 mm (No. 4) sieve and predominantly retained on the 75 mm (No. 200) sieve, and resulting either from natural disintegration d b i f k i f l t land abrasion of rock or processing of completely …
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English Abstract and Concrete Noun.pptx
English Abstract and Concrete Noun.pptx - Download as a PDF or view online for free. ... places, things, or animals while proper nouns name specific people, places, things, or animals. Concrete nouns are words that can be seen, touched, smelled, tasted, or heard, whereas abstract nouns refer to qualities, actions, states of being, ideas ...
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Concrete- types, testing & properties | PPT
Concrete- types, testing & properties - Download as a PDF or view online for free. Submit Search. ... High bearing stresses are generated in anchorage zones, thus we need very high grade of concrete to resist these …
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CEMENT CONCRETE MIX DESIGN.ppt
They are utilized for fixed or specific areas based on the desire. 4. They are utilized for concrete of M-20 grade or less than M-20 grade They are utilized for concrete more than M-25 grade like M-40, M-35, M- 30, M-25, etc. 5. They are site-level mixing. A minor concrete mixture can be utilized to blend the ingredients.
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CONCRETE MIX DESIGN | PPT
NOMINAL MIX CONCRETE The Wide use of concrete as construction material has led to the use of mixes of fixed proportions, which ensure adequate strength. These mixes are called NOMINAL MIXES. Nominal …
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Aggregates of Concrete | PPT
3. Why use aggregateWhy use aggregate • Reduce the cost of the concreteReduce the cost of the concrete – 1/4 - 1/8 of the cement– 1/4 - 1/8 of the cement priceprice • Reduce thermal crackingReduce thermal cracking – 100 kg of OPC produces– 100 kg of OPC produces about 12about 12oo C temperature riseC temperature rise • Reduces shrinkageReduces …
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Bagasse ash ppt | PPT
32. Bagasse ash as replacement for cement in concrete 32 REFERENCE 1.Mrs.U.R.Kawade, Mr.V.R.Rathi, Miss Vaishali D. Girge, "Effect Of Use Of Bagasse Ash On Strength Of Concrete", International journal of innovative research in science, engineering and technology 2 (2013), 2997-3000. 2.Shruthi H R,Dr.H Eramma,Yashwanth M K,Keerthi gowda …
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Light weight concrete | PPT
Light weight concrete - Download as a PDF or view online for free. ... (53 Grade) with 29%. normal consistency conforming to IS: 8112-1989 was used. The specific gravity and fineness modulus of cement are 3.14 and 5% …
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PRESENTATION DISPLAYING THE BASICS OF …
CEMENT CONCRETE - IT IS THE BASIC TYPE OF CONCRETE PREPARED BY MIXING CEMENT, SAND, COARSE AGGREGATES AND WATER. LIME CONCRETE - IT IS THE …
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Concrete Grades: Types of Concrete Grade and their uses | PDF
4. 4 the design mix concrete. Within design mix itself, the different grades of concrete are divided based on their strength. As much as you would like to see strength as an objective quality, it is accurately measurable and the scale used to measure the strength of a specific concrete grade comes under Pressure per Square Inch or psi.
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Rice Husk Ash in Concrete | PPT
Chemically, RHA is high in silicon dioxide at 86.96% and can partially replace cement in concrete production. Using RHA in concrete provides benefits like higher strength, reduced permeability, and increased resistance to sulfate and chloride attacks. Graphs show increased compressive strength of RHA concrete at 7, 14, 21, and 28 days.
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