SIZES AND WEIGHTS OF BRICKS

SIZES AND WEIGHTS OF BRICKS The Indian Standards Institution, New Delhi has specified standard bricks of 19 cm × 9 cm × 9 cm with 1 cm thick mortar joints (the size of brick with mortar joints becomes 20 cm × 10 cm × 10 cm). Brick tiles should be 19 cm × 9 cm …

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Different forms and shapes of bricks

DIFFERENT FORMS OF BRICKS Below are described a few important forms in which bricks are made in various shapes to suit the different situations in which they are used. 1. Ordinary bricks. These are ordinary bricks with rectangular faces and of standard size. 2. Perforated bricks. These bricks have cylindrical holes through their thickness (Fig. …

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Comparison of stone with brick as a material of construction

In this article Learn about: Comparison of stone with brick as a material of construction,Stones,Bricks,Stone are gradually losing their universal use as a building materials,Uses, Stones are extensively used Comparison of stone with brick as a material of construction Stones Stone is a natural material of construction and is obtained from quarries. Since prehistoric days …

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Working of Clamp or Pazawah,Bull’s trench kiln,Hoffman’s kiln.

In this Article Learn about: Burning of bricks,Clamp or Pazawah,Bulls trench kiln,Sequence operation of Bull's trench kiln, Advantages and disadvantages of Bulls trench kiln,Hoffman's Kiln,Advantages and disadvantages of Hoffman's kiln. Burning of bricks             After the bricks have dried in sun these are burnt in kilns to make them harder, stronger, denser, less absorbent and …

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completion of drying operation of moulded bricks

In this article learn about : completion of Drying operation of moulded bricks,moulded bricks,drying of bricks,drying operation,drying bricks, drying operation of moulded bricks Drying operation of moulded bricks             Before burning of moulded bricks  it is essential that the bricks have dried and have become sufficiently hard to be handled and stacked in clamps or …

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Hand moulding,ground moulding and machine moulding of bricks

Learn : Hand moulding,ground moulding and machine moulding of bricks MOULDING OF BRICKS Hand moulding,ground moulding and machine moulding of bricks             Giving the required shape to the prepared brick-earth is known as moulding of bricks. There are two different ways of doing it: (i) Hand moulding, and (ii) Machine moulding.  1. Hand moulding . …

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Various operations involved in preparing Brick-earth.

In this article Learn about: various operations involved in preparing brick earth,digging,weathering,blending and tempering. pug mill, mould, wooden mould, steel mould, PREPARATION OF BRICK-EARTH Following are the various operations involved in preparing Brick-earth.  Digging. If the area from where soil is to be taken is grassy or has other vegetation then the top layer (about …

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Field tests for soils for brick manufacture

FIELD TESTS FOR SOILS FOR BRICK MANUFACTURE : Clay for brick making is prepared differently in a rural environment – manually in small brick yards – and near towns and urban areas mostly in large-scale factories employing heavy duty machinery and equipment. Since modern clay works, quite often cannot satisfy the demand for brick and tiles, …

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Brick earth composition,functions of brick constituent,harmful ingredients of bricks

In this article Learn about : Brick earth composition,{ clay(alumina), silt, sand}, functions of brick constituent (silica or sand, alumina, lime, magnesia, oxide of iron), harmful ingredients of brick  (lime, iron pyrites,Pebbles of stone and gravel etc, Alkalies, Reh or Kallar)  BRICKS EARTH             Composition. A good brick-earth should be such that when prepared with water …

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Bricks classification,bricks charectristics,bricks uses,bricks as per ISI : 1077-1976

Learn : Bricks,Classification,Characteristics and its uses. (i)Sun-dried or Kacha bricks,(ii)Burns or Pucca bricks.(a)First class bricks (b)Second class bricks(c)Third class or pilla bricks, (d)Overburnt or Jhama bricks,Classification as per ISI. bricks as per ISI : 1077-1976,TABLE :  Classes of Common Burnt Clay Bricks BRICKS  Bricks are blocks of tampered clay moulded to suitable shapes and sizes while it is still …

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Trickle irrigation (also known as drip irrigation) system

Trickle Irrigation Trickle irrigation (also known as drip irrigation) system comprises main line (37.5 mm to 70 mm diameter pipe), submains (25 mm to 37.5 mm diameter pipe), laterals (6 mm to 8 mm diameter pipe), valves (to control the flow), drippers or emitters (to supply water to the plants), pressure gauges, water meters, filters …

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Sprinkler Irrigation and conditions are favourable for sprinkler irrigation

Sprinkler Irrigation Sprinkling irrigation is the method of applying water to the soil surface in the form of a spray which is somewhat similar to rain. In Sprinkling irrigation method, water is sprayed into the air and allowed to fall on the soil surface in a uniform pattern at a rate less than the infiltration …

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Subsurface irrigation or simply subirrigation method

Subsurface irrigation or simply subirrigation method Subsurface irrigation or simply subirrigation method is the practice of applying water to soils directly under the surface. Moisture reaches the plant roots through capillary action. The conditions which favour Subsurface irrigation or simply subirrigation method are as follows (i) Impervious subsoil at a depth of 2 metres or …

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Methods of irrigation surface irrigation

Methods of irrigation  surface irrigation Surface irrigation Uncontrolled flooding, Border strip,Check,Basin,Furrow method. In all the surface methods, Surface irrigation Uncontrolled flooding, Border strip,Check,Basin,Furrow method. of irrigation, water is either ponded on the soil or allowed to flow continuously over the soil surface for the duration of irrigation. Although surface irrigation, Surface irrigation Uncontrolled flooding, Border strip,Check,Basin,Furrow …

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Methods of Irrigation and its subsystems

METHODS OF IRRIGATION Methods of Irrigation and its subsystems Any irrigation system or Methods of Irrigation and its subsystems would consist of the following four subsystems : (i) The water supply subsystem which may include diversion from rivers or surface ponds or pumped flow of ground water. (ii) The water delivery subsystem which will include canals, …

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Main crops of Rabi season are wheat, barley and gram

Crops of Rabi Season Main crops of Rabi season are wheat, barley and gram, Rabi season starts earlier in the western part and continues until the sun attains equatorial position.Rabi’ season (October to March).  Wheat In terms of production, wheat occupies the first place among the food crops in the world. In India, it is …

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Crops of Kharif Season are Rice,Maize,Jawar,Bajra.

Crops of Kharif Season Crops of Kharif Season are Rice,Maize,Jawar,Bajra.The crops of  Kharif season is characterized by a gradual fall in temperature, larger number of rainy days, low light intensity, a gradual shortening of the photo period, high relative humidity, and cyclonic weather.The Kharif season starts earlier in the eastern part of the country because …

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Weather for Kharif seasons and Rabi seasons

Content of this article: Learn about weather, weather for Kharif season,weather for Rabi season Weather Weather is the state of the atmosphere, describing for example the degree to which it is hot or cold, wet or dry, calm or stormy, clear or cloudy. Most weather phenomena occur in the lowest level of the atmosphere, the …

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Major crops and crop seasons of India

Content of this article: Learn about crop seasons,Rabi crop,Kharif crop,Zaid crop and five agricultural regions. Activities relating to crops go on continuously throughout the year in India. In north India,there are two main crop seasons. These are ‘Kharif’ (July to October) and ‘Rabi’ (October to March). Crops grown between March and June are known as …

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Learn about Simply Supported Beam : Overhang to One Side : Point Load

Simply Supported Beam : Overhang to One Side : Point Load : (Fig. 3.20) Simply supported - a beam supported on the ends which are free to rotate and have no moment resistance Over hanging - a simple beam extending beyond its support on one end. Point loads are concentrated loads applied along the span …

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