8 Different Types of Cement Tests || Laboratory
Read More – Concrete Slump Test. b) Physical / Laboratory Test. The following 8 Types of cement tests are usually conducted in the laboratory, this is also known as a physical test of …
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Self curing concrete | PPT
Self curing concrete - Download as a PDF or view online for free. ... is the one which can meet the present and future requirement of Curing Concrete. As a result successful and recent test and research, ... It has been estimated that avg. 23% is required for complete chemical reaction. • It has been also estimated that about 15% water by wt ...
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Concrete | PPT
Concrete - Download as a PDF or view online for free. 5. TYPES OF CONCRETE AND ITS USES CLASSIFICATIONACCORDINGTO BINDING MATERIAL: According to …
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Geopolymer concrete ppt | PPT
Geopolymer concrete ppt - Download as a PDF or view online for free ... • DRYING SHRINKAGE TEST -75x75x285 mm prisms with gauge studs used -specimens kept in a controlled temperature environment -temperature at 23οC and relative humidity 40-60% -shrinkage strain measurements taken on third day of casting concrete …
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Concrete corrosion | PPT
Concrete is a composite material made of cement, sand, gravel and water. It can be classified as low, medium or high strength based on its compressive strength. Proper curing is important to achieve maximum properties. ... The concrete must contain an adequate water content to complete the process of hydration. Moisture losses must …
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Rcpt | PPT
NDT techniques can evaluate concrete structures in a non-destructive manner by assessing strength, quality, and durability without damaging the concrete. Some key NDT tests described in the document include rebound hammer testing to estimate concrete strength, UPV testing to evaluate homogeneity and detect cracks or voids, …
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Concrete Technology Complete notes of unit 5 | PPT
Concrete Technology Complete notes of unit 5 - Download as a PDF or view online for free. ... Part 104) Chemical Test (ASTM C289) Accelerated Mortar Bar Test (ASTM C 1260, CSAA23.225A, DD 249: 1999) Concrete Prism Test (ASTM C1293, CSAA23.214A, BS 812: Part 123) ...
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Compressive strength in concrete test | PPT
COMPACTION • compaction of the concrete with neither segregation nor excessive laitance. • The concrete is filled into the mould in layers approximately 5 cm deep. Compacting by Hand • For cubical specimens, in no case should the concrete be subject to less than 35 strokes per layer for 15 cm or 25 strokes per layer for 10 cm cubes.
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Self compacting concrete (scc) | PPT
Tests were developed to evaluate properties like filling ability, passing ability, and segregation resistance. ... *Calculate the time taken for complete fall of concrete. It is called the flow time at T5 min. …
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Tensile testing ppt | PPT
Tensile testing ppt - Download as a PDF or view online for free. ... For ex: glass, stone, normal concrete, aluminum. 11. Tensile strength = Maximum Load Cross section area Maximum load is the highest point on the graph. Often called Ultimate Tensile Strength (UTS) 12.
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Concrete(properties&applications) | PPT
1. CE 3200 Project and Seminar Properties and Applications of Concrete Course Teachers Dr. Kazi A.B.M. Mohiuddin Professor Dept. of Civil Engineering, KUET. Dr. H. M. Iqbal Mahmud Assistant Professor Dept. of Civil Engineering, KUET Gaytan Sarkar Assistant Professor Dept. of Civil Engineering, KUET. Presented by …
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workability test of concrete | PPT
9. Introduction Compacting factor test, developed at the road research laboratory UK is more precise and sensitive than the slump test. It is primarily designed for laboratory work but can also be used in the field. It is particularly useful for concrete mixes of very low workability as are normally used when concrete is to be compacted by …
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Repair and strengthening of concrete structures | PPT
There was complete loss of cover concrete in some columns. The following steps were taken: 1. Reinforcements were exposed by chiseling properly with light weight hammer and chisel. 2. The exposed reinforcements were properly cleaned by wire brushed and entire concrete and steel surface were washed with water.
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Air content test for fresh concrete | PPT
1. Air Content in Fresh Concrete • To determine %age of Air Content in compacted Fresh Concrete • Test is used to determine the Air Content, the test should be confirm to BS 1881 Part 106/EN 12350-7:2009 or ASTM C231, Pressure gauge Method • In this method, the operational principle consists of introducing water to a predetermined …
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SEMI DESTRUCTIVE Test On Concrete _by Imran B K | PPT
This document discusses various semi-destructive tests that can be performed on concrete, including: 1. Core sampling tests, which extract cylindrical concrete cores to test strength. 2. Permeability tests that measure how quickly water is absorbed into concrete, important for durability. 3. Carbonation tests that detect how …
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PPT 7 Workability Tests
PPT 2 Aggregates FOR Concrete; PPT 4 Admixtures - Introduction and basics for civil engineering students; PPT 10 Creep and shrinkage ... The Vebe test also has the additional advantage that the treatment of …
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chloride attack and sulphate attack on concrete
Ways of Chloride attack- i) Due to inside of concrete. ii) Through ingress of chloride from out side to inside of concrete structure. Reason of chloride present in concrete – i. Use of sea water for mixing …
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Testing of Cement: Free Powerpoint Templates …
Cement Tests - Free download as PDF File (.pdf), Text File (.txt) or view presentation slides online. This document discusses various methods for testing cement, including field and laboratory tests. Field tests include …
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Compressive strength test on concrete | PPT
This document describes procedures for testing the compressive strength of concrete cubes. Compressive strength is the maximum load a material can withstand before crushing. The test involves applying an increasing compressive load to molded concrete cubes until failure. Cubes are cured for 7 or 28 days before testing.
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Impact strength in concrete test | PPT
Non-destructive tests like the Schmidt hammer and ultrasonic pulse velocity test can provide indications of a concrete's properties, including compressive strength. The Schmidt hammer measures surface hardness while ultrasonic pulse velocity relies on sound waves to determine properties related to density and elasticity.
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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, …
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Cement and cement concrete | PPT
5. CONCRETE Concrete is a composite material composed of gravels or crushed stones (coarse aggregate), sand (fine aggregate) and hydrated cement (binder),and imparts considerable hardness to the mixture. The cement reacts chemically with the water and other ingredients to form a hard matrix which binds all the materials …
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Penetration Resistance Test on Hardened Concrete – …
Minimum spacing between concrete and the edge of a concrete surface is 100mm. A minimum of three firmly embedded test probes in a given test area constitute one test. Testing Procedure . Place the positioning device on the surface of the concrete at the location to be tested. Mount a probe in the driver unit; Position the driver in the ...
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Concrete Technology Complete notes of Unit 2 | PPT
12. 18/09/2024 CT Unit-2 by Dr.PK 12 Flow table test of concrete: Procedure of flow table test: • Prepare concrete as per mix design and place the flow table on a horizontal surface. • Clean the dust or other gritty material on Flow table and Sprinkle a hand of water on it. • Now place the metal cone at the middle portion of the flow table and stand on it.
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DESTRUCTIVE AND NON-DESTRUCTIVE TEST OF …
5. TENSILE STRENGTH TEST :- Modulus of Rupture :- Both two-point loading and center point loading can be used. Normally, tests are conducted in the laboratory after keeping the concrete in wet …
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Concrete Testing
About This Presentation. Title: Concrete Testing. Description: Concrete Testing is one of the most essential procedures in identifying the high top quality of tangible. These examining come in many types at various …
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Testing Of Concrete PowerPoint PPT Presentations
Most Important Civil Engineering Instrumentation for Soil Testing, Rock Testing, Concrete Testing, Cement Testing & Hydraulic Testing - Aimil offers you some important …
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Testing of hardened concrete | PPT
Cube Test Concrete cube testing is a primary quality compliance check on the specified design characteristic compressive strength of concrete mix supplied to the site. Concrete cube is prepared by placing 3 layer of concrete in the mould Each layer is compacted using rod for 35 times Then it is cured in a tank of water for 7, 14 and 28 …
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Impact test | PPT
15. Instrumented Impact Testing Simple impact tests tests are useful but lack important information about what was happening to the test specimen during the impact event and can be misleading. An instrumented impact test is an impact test where the load on the specimen is continuously recorded as a function of time and/or specimen …
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Cement test | PPT
8. Laboratory test of cement Procedures; (i) Weigh approximately 10g of cement to the nearest 0.01g and place it on the sieve (ii) Agitate the sieve by swirling, planetary and linear movements, until no more fine material passes through it. (iii) Weigh the residue and express its mass as a percentage of the quantity first placed on the …
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Durability of concrete | PPT
2. DURABILITY • The durability of concrete is one of its most important properties because it is essential that concrete should be capable of withstanding the conditions for which it has been designed throughout the life of a structure. • The durability of cement concrete is defined as its ability to resist weathering action,chemical attack, …
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Test of concrete | PPT
5. PRINCIPLE OF SLUMP TEST The slump test result is a slump of the behaviour of a compacted inverted cone of concrete under the action of gravity. It measures the consistency or the wetness of …
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Concrete test on site | PPT
3. Preparing Wet Concrete. Water /Cement Ratio. For normal mix, the amount of mixture for cement, sand, and course aggregate is measured by ratio of weight or ratio of volume. However, ratio of weight is most preferable. For example, a mixture of 1: 2 : 4 means 1 part of cement, 2 parts of fine aggregate and 4 part of coarse aggregate. In …
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Concrete Technology Complete notes of unit 4 | PPT
3. 18/09/2024 U-IV Strength of Concrete by Dr.PK 3 For a given cement and acceptable aggregates, the strength that may be developed by workable, properly placed mixture of cement, aggregate and water (under the same mixing, curing and testing conditions) is influenced by: (a ) Ratio of cement to mixing water; (b) Ratio of cement to aggregate; (c ) …
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Tests of aggregates | PPT
PROCEDURE :- clean and dry aggregate sample confirming to one of the grading A to G is used for the test. Aggregates weighing 5kg for grading A, B, C or D and 10kg for grading E, F or G may be takes as test specimen and placed in the cylinder. The abrasive charge is also chosen in accordance with table and placed in the cylinder …
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Guide to sampling concrete | PPT
The document provides guidance on site sampling and testing of concrete, including procedures for sampling, slump testing, flow testing, making cubes, storing cubes, and safety information. The key points are: 1) Sampling should be done according to BS1881:Part 101 or BSEN 12350-1 by taking scoopfuls from four parts of the load and …
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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%, …
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durability and permeability of concrete | PPT
22. Sulphate attack • Sulphate attack denotes an increase in the volume of cement paste in concrete or mortar due to chemical action between the products of hydration of cement and solution containing sulphate, and also sodium, magnesium and Cholorides. • The expansion reaction results in weakening of concrete masonry and …
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MANUAL on CONCRETE LABORATORY
ghtly greased cube moulds. Fill concrete in two layers each of approximately 75 mm and ramming each layer with 35 blows evenly distribu. d over the surface of layer.Struck off …
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