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Basics

Bridge Works

Under what situation shall engineers use jacking at one end only and from both ends in prestressing work?   During prestressing operation at one end, frictional losses will occur and the prestressing force decreases along the length of tendon until reaching the other end. These frictional losses include the friction …

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Basics Definations

Height of drop of concrete,  is also an important aspect to be considered because if the drop height  is more than 1 meter segregation would happen and result in reduction  of concrete strength. Use of stirrup is to  handle the shear force and to hold the re-bars in position. The …

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Unit conversions & Calculations

CONCRETE GRADES: M5 = 1:4:8 M10= 1:3:6 M15= 1:2:4 M20=  1:1.5:3 M25= 1:1:2 CLEAR COVER TO MAIN REINFORCEMENT: 1.FOOTINGS : 50 mm 2.RAFT  FOUNDATION.TOP : 50 mm 3.RAFT FOUNDATION.BOTTOM/SIDES : 75 mm 4.STRAP BEAM  : 50 mm 5.GRADE SLAB : 20 mm 6.COLUMN : 40 mm 7.SHEAR WALL : 25  …

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Civil Engineering Basic Knowledge

A good civil engineer should know many basics and Topics 1)- BUILDING MATERIAL AND CONSTRUCTION Lab test of Rock,Brick,Cement,Aggregate,Concrete etc ex. sand + Cement = Mortar Mortar + Coarse aggregate = Concrete Different Test of Brick 1) Crushing strength test by UTM in lab Standard result are 10.5N/mm2 (1st class) …

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Civil Engineering Basic Knowledge

#Cement’s intial setting time should be 30 min(Minimum) and 90 min(maximum). #Final setting time of cement should be=10 hours #What type of test should perform for a road’s improved subgrade sand filling: 1.FM of fine aggregates 2.California bearing ratio 3.Dynamic cone penetration test 4.MDD of fine aggregate 5.Field Dry Density. …

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BOQ

BILLS OF QUANTITIES (BOQ) The survival of any business is heavily depend on the success of commercial management. When it comes to commercial management in construction industry, Bill of Quantities (BOQ) is the term which brings attention of every construction professionals and stakeholders. It is one of the communication tool …

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Sustainable Construction

Sustainable Construction is the selection of materials or products for the construction activities in terms of reducing the use of natural resources, ability of reusing the materials and reducing the wastage. Sustainable buildings are built and designed according to the practices low energy consumption, free of physical and environmental issues …

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FormWork in construction

Formwork is the mould to shape the concrete structure. Good concrete cannot be made from a poor mould; thus formwork is very important in producing good concrete. Besides that, it has to be designed to take the concrete load and the working load generated from workers and plant. Column Forwork …

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Foundation in a building

Foundation is the part of structure below plinth level up to the soil. It is in direct contact of soil and transmits load of super structure to soil. Generally it is below the ground level. If some part of foundation is above ground level, it is also covered with earth …

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