2) hydrated lime:- by treating quicklime with water enough to satisfy its chemical affinity for water and it contain small amount of Alumina ,silica and iron oxide react with quick lime and giving strength for setting and hardening. B) lime mortar B) Lime mortar:- in this type of mortar lime is used as binding material lime mortar has high plasticity and it can be easily place and it posses good binding and cohesiveness with the surface but it hardens very slowly ,lime mortar have two types fat lime and hydrated lime. It is also been called polymer-Portland cement-concrete (P P C C) . In most cases, adding one part cement to two parts sand will yield a proportional cement mortar volume. Properties of Concrete While cement in one form or another has been around for centuries, the type we use was invented in 1824 in Britain. Properties of concrete are influenced by many factors mainly due to mix proportion of cement, sand, aggregates and water. Lastly, the assessment of the plaster mortar by means of the tests described in combination and inter-action with the respective mortar-technological tests acc. Gypsum plaster provides a smooth interior finish and is an ideal base for good quality paints and wallpaper finishes. Good mortar should provide good adhesion to building units (bricks, Stones etc). 4) special mortar:- it has various type according to requirement of material like fire resistance motor sound absorbing mortar Concrete homes look exactly like "stick built" homes. Properties of plain cement concrete. 2. 4. Ratio of these materials control the various concrete properties which are discussed below. Insulated Concrete Forms (ICFs) are stacked and braced-then concrete is poured inside the forms. A) fire resistant mortar In this article, we study the general procedure for plastering on concrete, plastering on different surfaces, and safety requirements for […] Properties of Extra Rapid hardening cement: At the age of one or two days strength of Extra rapid hardening cement is 25% more than rapid hardening cement, and only 0-20 % higher at 7 days but at 90 days both cement have nearly the same strength. This article concerns the physical and chemical properties of cement, as well as the methods to test cement properties. 1)what is concrete and its types and properties, 2) concrete quantity calculation for staircase and its formula, 3) how to calculate weight of mild steel plate and derive its formula, 4) calculate quantity of cement Sand for brickwork of 10m3, 5) cement calculation in tile work of hundred square foot area, 6) weight calculation of Steel bar and its formula, 7) what is admixture of concrete and its types and its properties, Mortar are classified on the basis of following:-, 1)kind of binding material Material Properties - Material properties for gases, fluids and solids - densities, specific heats, viscosities and more ; Related Documents . The terms cement, concrete, and mortar can be confusing to DIYers because they are often used interchangeablyand inaccurately. (2.) Higher workability concretes are easier to place and handle but obtaining higher workability by increasing water content decreases strength and durability. The ICFs have nailing strips that allow the typical interior finishes and exterior treatments such as siding, stucco, stone and brick to be applied. ●Now your turns :– if you are happy to see this topics please guys like share and comment and if you have any query and question about this please ask, ◆You Can Follow me on Facebook and Subscribe our Youtube Channel, Your email address will not be published. B) finishing mortar. Portland cement plaster, or stucco, is made from the same material as mortars, and as such, is sometimes considered to be a masonry product as well. This increase in cement production is a great threat to the environment due … The tests of properties of SCRLC include slump flow test, V-funnel test, L-box test, U-box test, column segregation test, compressive strength test, splitting tensile strength test, … Sand, on the other hand, eliminates or reduces cracks produced by the contraction of cement while it sets. Your email address will not be published. At CivilSir, we share all the information related to civil engineering. *(C) gypsum mortar:- The use of Extra rapid hardening cement in pre-stressed concrete is prohibited. C) gypsum mortar 3. The durability and strength of cement depend upon the components present in the cement. 1. Above 50 MPa, the term High Performance Concrete is used (50 MPa corresponds to a force of 50 tonnes acting on a square with sides of ten centimetres). C)sound absorbing mortar Types of Gypsum Plaster. 6. Polymer modified mortar is made with Portland cement and aggregate combined at the time of mixing with organic polymers that are dispersed or re-dispersed in water. Clay plaster is a mixture of clay, sand and water with the addition of plant fibers for tensile strength over wood lath.. Clay plaster has been used since antiquity. 2)bulk density In its broadest sense, mortar includes pitch, asphalt, and soft mud or clay, as used between mud bricks. it require ratio of lime and sand is about 1: 2. it is suitable for waterlogged area and condition and used for brickwork and stone masonary work. Plaster is a building material used for coating, protecting and decorating internal walls and ceilings. The standard sand has the following properties-The Stanard sand shall be of quartz, of light grey or whitish variety and shall be free from silt. The aim of Cement and Concrete Research is to publish the best research on the materials science and engineering of cement, cement composites, mortars, concrete and other allied materials that incorporate cement or other mineral binders. 3) nature of application:- according to nature of application there are having two types: one for brickwork and second one for plastering work. Compressive strength: The compressive strength of PCC lies between 200 to 500 Kg/cm 2. You know that cement mortar used for masonary work of stone and bricks ,plastering of interior and exterior brick wall and tile installation etc. (E) Gauged mortar:- it is also called as lime cement mortar because some small amount of cement added with lime mortar to gain early hardening and strength. E) Gauged mortar. It also used to bind the bricks and stones with each other. after mixing mortar is stone like material as a result of hardening .binding mortar does not contain coarse aggregate it has only fine aggregate that is sand. The most common types of plaster are a composition of gypsum, lime or cement with water and sand. The plaster is typically manufactured as a dry powder and then worked to form a stiff paste by mixing in waterbefore application. Plaster cement sand ratio | plastering & it’s types, Minimum thickness of RCC slab as per IS 456, Minimum flooring thickness in any residential building, Unit Weight of different material used in civil construction, Minimum size of RCC column as per IS 456…, Minimum thickness of RCC slab as per IS 456…, Minimum flooring thickness in any residential building…, Unit Weight of different material used in civil construction…, Labour rate for building construction in India…, Plaster cost per square foot with material in India…. The ability of plaster to withstand weathering includes resistance to wind and rain penetration, resistance to freezing and thawing, and resistance to thermal and moisture changes. 1. Generally, good mortar possesses following properties-. A) Brick -laying mortar:- lime mortar or cement mortar used for brickwork. It is a mixture of portland cement, water, aggregates, and in some cases, admixtures. How many cement bags are required for a 100m2 slab? Hardened concrete has a number of properties, including: Mechanical strength, in particular compressive strength. Resistance to aggressive chemicals in the atmosphere, such as acid rain, is also of concern. If cement is applied as specific binding material, the plaster is termed as cement plaster including when lime is applied as the binding material, it is known as lime plaster. Mortar should be water resistant. Unlike modern cement-based products and gypsum plasters, which are hard, inflexible and non-breathable, traditional lime and clay formulas have a soft, characterful appearance, offer a … Different blends of cement used in construction are characterized by their physical properties. Related Topics . Copyright © 2020 CivilSir The mobility of mortar should be good. It was named Portland cement because it … So if you are a civil engineering student this is the best platform where you can improve your knowledge. Polymer improves mortar’s quality and performance .It also decreases the chance of cracks. Masonry is widely used to construct small and large structures because of its attractive appearance, minimum maintenance, safety (fire resistance and wind/earthquake resistance), and economy. (1.) B) light weight mortar:- it is prepared by adding material like wood powder to the cement mortar it is used for sound proof and heat proof construction of superstructure building. 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