Is 2691967 specifies the method of testing and prescribes the limits. Note if a thick walled beaker is used that is too heavy for the balance, the cement can be weighed on waxed paper or a small weighing boat and transferred. A portland cement containing a high content of alite c 3 s to give rapid hardening and setting properties. Study on the physical and mechanical property of ordinary. Properties of beliterich portland cement and concrete in china 386 hbc with nsp naphthalene based superplasticizer.
The effect of nanoparticles of ordinary portland cement. The 3 primary constituents of the raw materials used in the manufacture of portland cement are. The kaolin and bentonite have been treated by heat for duration of 1 hour, with constant temperature. The effect of nanoparticles of ordinary portland cement opc. Subscribe our youtube channel for latest civil engineering govt job updates,latest news, technology, informationetc we need your support your support is our energy. Rising costs of the energy required for its manufacture and the increasing interest in understanding the mechanisms of concrete deterioration, as well as the importance of optimising the use of portland cement in high quality concrete, have continued to sustain interest in this important material. Pdf study of the properties of concrete by partial. This material is responsible for the cementing process. Properties of 33, 43 and 53 grades of ordinary portland cement such as fineness, setting times, soundness, expansion, compressive strength based on indian, american and eurocodes. B international journal of civil and structural engineering volume 2 issue 3 2012 732 ordinary portland cement opc having 28 day compressive strength of 54 mpa was used.
Chemical composition of both cement and fly ash is shown in table 2. Opc and ppc are the two most widely used cement types in india. But for special purposes other qualities of cement such as low heat cement, rapid hardening cement, high alumina cement, white cement, blast furnace slag cement. Mrema college of engineering and technology, university of dar es salaam, tanzania abstract. The knowledge of the properties of concrete manufactured from specified brands of.
Ordinary portland cement opc, rapid hardening portland cement rhpc, sulphate resisting portland cement srpc, low heat portland cement lhpc, blast. Portland cement consists of the following chemical compounds. This work analyzed five different brands of portland cement in ghana, namely, ghacem. Lithiumbased chemicals are known to their signal effect on restraining alkalisilica reaction but uncertain influence on workability and mechanical property in the concrete. Cement, in general, adhesive substances of all kinds, but, in a narrower sense, the binding materials used in building and civil engineering construction. The cement is obtained by burning a mixture of calcareous calcium and argillaceous clay material at a very high temperature and then grinding the clinker so produced to a fine powder. The presesnt research is thus aimed at investigating the effect of nanometakaolin nmk on mechanical properties and microstructure of portland cement mortar. But for special purposes other qualities of cement such as low heat cement, rapid hardening cement, high alumina cement, white cement, blast furnace slag cement, sulphate resisting cement, etc. Cements of this kind are finely ground powders that, when mixed with water, set to a hard mass. Manufacture of portland cement university of technology. Factors affecting the mechanical properties of cementmixed.
Tap water was used for mixing and cement curing for all specimens. Properties of 33, 43 and 53 grades of ordinary portland cement. Regarding the utilization of rm in the cement production, published work exists in the area of special and ironrich cements, as well as of the ordinary portland cement opc. Comparism of the compressive strength of concrete made with. The results showed that pmta and portland cement have very similar physical properties. In this study the ordinary portland cement has been added in mix 0%, 3%, 6%, 9%, and 12% of the total binder with solution to fly ash ratio 0. Comparison of the properties of portland cement and portlandlimestone cement a.
Many engineers usually have little information on the chemical compositions of cement in making decisions for the choice of commercially available portland cement in ghana. British standard bs 121996 specification for portland cement. A study has been conducted to investigate the mechanical properties of cementmixed gravel using the unconfined compression test and the tensile test. Comparison of the physical and mechanical properties of. Approximate oxide composition limits of ordinary portland cement oxide per cent content cao 6067 sio2 1725 al2o3 3. Calcium silicate components and other calcium compounds containing iron and aluminum make up the majority of this product. Mechanical properties and durability characteristics of high. It was first produced by a mason joseph aspdin in england in 1924. Effect of chemical composition of ordinary portland cement.
The microstructure of modified ordinary portland cement opc paste has been investigated by using field emission scanning electron microscopy fesem and xray diffractometry xrd. The results indicate that the best level of heat for produce additives from kaolin and bentonite, and illustrate quantity of additives for replace a portion of. Characteristics of ordinary portland cement using the new. Basic factors including the curing period, the waterbinder ratio, the cement content, and the strain rate were evaluated. Lime and silica make up approximately 85% of portland cement. Study of the properties of concrete by partial replacement of ordinary portland cement by rice husk ash. Lime 63% silica 22% alumina 06% iron oxide 03% gypsum 01 to 04% suchismita sahu, asst. Cement in the most general sense of the word, a cement is a binder, a substance that sets and hardens independently, and can bind other materials together. Several additives have been innovated for improve quality of compressive strength of concrete.
The cement, which is generally used for preparing concrete, is the ordinary portland cement. Mechanical properties and durability characteristics of highvolume fly ash concrete made with ordinary portland cement and blended portland fly ash cement. Manufacture, chemical composition, heat of hydration. Cement is the mixture of calcareous, siliceous, argillaceous and other substances. Effects of sugar on physical properties of ordinary portland. Ordinary normal portland cement is one of the most widely used type of portland cement. The cement of desired properties can be produced by selecting suitable mixture of raw materials. In this method, sulfur is extracted from portland cement using nitric acid and. Field testing of cement open the bag and take a good look at the cement. Prevent material from entering sewers, drains, ditches or waterways. The chemical composition is traditionally written in an oxide notation used in ceramic chemistry. Ordinary portland cementopc, rapid hardening portland cementrhpc, sulphate resisting portland cementsrpc, low heat portland cementlhpc, blast.
This report is an update of life cycle inventory of portland cement manufacture nisbet, marceau, and vangeem 2002. Study on the physical and mechanical property of ordinary portland cement and fly ash paste shaswata mukherjee, saroj mandal, adhikari. The initial setting time of cement paste was longest at 0. Comparison of the physical and mechanical properties of mta. The purpose of this update is to incorporate the most recent energy use data from the portland cement associations annual u. Properties of beliterich portland cement and concrete in china.
Study on the physical and mechanical property of ordinary portland. Physico chemical properties of ordinary portland cement. Comparison of the properties of portland cement and. The chemical properties of ordinary portlandite cement opc. In ordinary portland cement, approximately threefourths of the mixture is some form of calcium silicate. Flash setting with no increase in strength was observed at sugar content of 0. High early strength portland cement is particularly suitable for works where rapid. The various types of portland cement used in the construction industry are.
The bogue composition of cement clinker was in mass %. Cement is used as a binding material in mortar, concrete, etc. Since a potential pozzolanic reaction may occur between portland cement paste and high amount of silicon dioxide sio2 in nano. Ordinary portland cement the manufacture of opc is decreasing all over the world in view of the popularity of blended cement on account of lower energy consumption, environmental pollution, economic and other technical reasons. Analysis of chemical composition of portland cement in. Ordinary portland cement is one of the most widely used type of cement. Ordinary portland cement opc is the most widely used cement in the world for producing concrete, mortar, stucco, and nonspecialty grouts. Ordinarynormal portland cement is one of the most widely used type of portland cement. Pdf chemical analysis of ordinary portland cement of bangladesh. In this paper for enhancement of compressive strength of concrete, a simple method has been proposed. Life cycle inventory of portland cement manufacture. Ordinary portland cement suitable to be used in general concrete construction when special properties are not required. Analysis of chemical composition of portland cement in ghana. Ordinary portland cement tests, properties, manufacture.
The name portland cement was given by joseph aspdin in 1824 due to its. May 22, 20 also responsible for grey colour of ordinary portland cement. Effects of different lithium admixtures on ordinary. Rapid hardening cement is 80411990 as the name indicates it develops strength rapidly and. Ordinary portland cement constituents, properties, types and uses. The physical properties of cement which was used for the experimental investigation are given in table 3. This study evaluated and compared the ph, radiopacity, setting time, solubility, dimensional change, and compressive strength of proroot mta pmta, proroot mta tooth colored formula wmta, white portland cement wp, and ordinary portland cement op. The above constituents forming the raw materials undergo chemical reactions during burning and fusion. Evaluation of physical and chemical properties of opc and. Ordinary portland cement opc opc produced by suez cement company was used. Not only the minimum dosage of nsp for achieving optimum flow for hbc pastes is lower, but also higher flow rate and flow retention time as well compared with pc pastes at related admixture dosage. Factors affecting the mechanical properties of cement.
B international journal of civil and structural engineering volume 2 issue 3 2012 732 ordinary portland cement opc having 28 day compressive strength of. In india, portland cement was first manufactured in 1904 near madras, by the south india industrial ltd. Ordinary portland cement and its composition building. Mechanical properties and durability characteristics of highvolume fly ash concrete made with ordinary portland cement and blended portland fly ash cement authors. The performance of portland cement in concrete or mortar formation is very well influenced by chemical compositions among other factors. There are significant differences in mortar strength, fineness, consistency. Variations in physical properties occur due to the variation in the. Properties high early strength portland cement only requires 3 days to show the strength that ordinary portland cement shows in 7 days. It was found that both the dielectric constant and electrical conductivity of the cement paste are sensitive to the watercement ratio, the. Characterization of fly ash and it effects on the compressive. The most versatile cement product used for a wide range of applications, including general civil engineering and construction works, smaller works and plastering mortar. Ordinary portland cement is suitable for general purpose buildings, shot concrete, civil engineering works, etc. May 18, 2007 the nanomontmorillonite, which has characteristics of high aspect ratio and interaction between polymer chains and dispersed nanolayers, has been widely used in the development of new reinforced nanocomposite polymers to improve their mechanical properties.
Properties of beliterich portland cement and concrete in. In 1824 joseph aspdin gave the name as portland cement as it has similarity in colour and quality found in portland stone, which is a white grey limestone in island. Dec 24, 2017 subscribe our youtube channel for latest civil engineering govt job updates,latest news, technology, informationetc we need your support your support is our energy. Cements composition, types finish up cement manufacture properties of component phases types of cements chapter 2 properties of concrete neville chapter 6 concrete. Types, properties, constituents, manufacture, uses and advantages of ordinary portland cement is discussed. The fly ash contains very less carbon content as indicated by the low value of loss on ignition. Pdf this researchstudies the determining the characteristics of different types of cement available in iraq and comparing between themby. The dielectric constant and electrical conductivity of ordinary portland cement opc with watercement ratios wc of 0. The properties of ordinary portland cement and physical. Fe2o3 c4af 58 aluminoferrite tricalcium aluminate 3 cao. Comparism of the compressive strength of concrete made. There is debate in the medical literature concerning whether there is any risk of lung cancer arising from long term high overexposure to respirable crystalline silica. Cement portland cement is not classified as a carcinogen by nohsc. Normal portland cement is composed of mechanical mixtures of definite chemical compounds having constant chemical and physical properties.
Utilization of ferroalumina as raw material in the. Compressive strength compressive strength of ce ment is tested b y 50 mm mortar cubes made by using standard san d and cured in a. Of the ingredients hexavalent chromium cr vi is classified as a carcinogen by nohsc. Cement, commonly used for normal construction work, is known as ordinary portland cement. Ordinary portland cement and its composition building material. Dielectric and electrical properties of ordinary portland. Cement used in construction is characterized as hydraulic or nonhydraulic. Utilization of ferroalumina as raw material in the production. Physicochemical properties of ordinary portland cement pastes. The nanomontmorillonite, which has characteristics of high aspect ratio and interaction between polymer chains and dispersed nanolayers, has been widely used in the development of new reinforced nanocomposite polymers to improve their mechanical properties. Effects of sugar on physical properties of ordinary. However, for use under specific conditions a variety of ordinary portland cement and its composition are available these days.
The following physical properties should be checked before selecting a portland cement for the civil engineering works. A study was made in one of the cement factories in dar es salaam, tanzania, where ordinary portland cement cem i 42. The aim of this research is to analyze the effects of three lithium additiveslithium nitrate lino3, lithium hydroxide lioh and lithium carbonate li2co3 at various dosages, with an extensive comparison on fluidities. The materials that are commonly used are limestone, shells, chalk, shale, clay, slate, silica sand, and iron ore. A study has been conducted to investigate the mechanical properties of cement mixed gravel using the unconfined compression test and the tensile test. Joseph aspdin first made portland cement in his kitchen stove in england in the 19th century. There are several brands of opc available in market but their chemical compositions are same. Cement is a commonly used binding material in the construction.
Material properties of portland cement paste with nano. The name portland cement was given by joseph aspdin in 1824 due to its similarity in. Modified portland cement suitable to be used in general concrete construction. Variations in physical properties occur due to the. Ordinary portland cement results from the calcination of limestone and. A commercial, ordinary portland cement, opc holcimkoromacno, croatia confirming to the european cements standard en 197. In the order of their cementing qualities these are tricalcium silicate, 3ca0.
Pakistan standard pss 2321983 specification for portland. Ordinary portland cement constituents, properties, types. Setting and hardening result from hydration, which is a chemical combination of the cement compounds with water that yields submicroscopic. The quality of a construction material satisfies stability of structure. Portland cement is one of the most traditional of construction materials. For constructional purposes, the meaning of the term cement is restricted to the bonding materials used with stones, sand, bricks, building stones, etc. Testing of cement was carried out according to the egyptian standard ess475612009, where the percent retained on sieve 170 was less than 10%. Also responsible for grey colour of ordinary portland cement.
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