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Showing posts from August, 2017

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plane surveying

on August 21, 2017

civil surveying division of plane surveying plane survey scope of plane survey uses of plane surveying

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Civil Engineering Surveying

on August 15, 2017

Civil Engineering Surveying importance principles survey surveying types

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AGGREGATES

on August 09, 2017

advantages of gap grading aggregate gradation aggregates bulking of sand gap grading grading of aggregate for concrete sand shape of coarse aggregates sieve analysis sieving surkhi types of aggregates

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Cement

on August 03, 2017

cement compounds cement manufacturing cement properties cement types cement uses define cement harmful ingredients of cement hydration ingredients of cement testing of cement

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Construction innovations Today

on August 01, 2017

convert kinetic energy to electricity kinetic energy kinetic footfall kinetic road ramp kinetic roads

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Stone:

on August 01, 2017

classification of stone history of stone igneous rock metamorphic rock rock sedimentary rock stone

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Civil Engineering Solution

Hi, Warm welcome on my profile.! My name is Muhammad Saad Ali and I'm a Civil Engineer and have an Experience in construction management and structural members designing. If you are looking for the solution of engineering problems then you are at right place. With my experience, I will help you in your engineering tasks whether they are assignments, technical problems and report. I have good fundamental skills related to Microsoft Word, Excel, PowerPoint & PDF editing as well as designing. I'm also hold on Engineering Softwares. Feel free to contact. Thanks for your time.

Popular Posts

plane surveying

Plane surveying is the survey in which the earth surface is assumed to be a plane and the curvature of the earth is ignored. The plane surveys extend only over small areas and the lines connecting any two points on the surface of the earth are treated as straight lines and the angles between such lines are taken as plane angles. Moreover In plane surveying, the area under consideration is taken to be a horizontal plane and the measurements plotted will represent the projection on the horizontal plane of actual field measurements. A horizontal plane is one which is normal to the direction of gravity as defined by “ Plumb Bob ” at a point, but due to the earth, the plane will be tangent to the surface of the earth at that point. For long enough area, there will be a difference between the area of horizontal plane & the area on the curved surface of the earth. It can be shown that for surveys up to 100 sq. miles in area, this difference

AGGREGATES

Aggregate are the inert materials, such as sand, stone, surkhi, used for mortar, cement concrete, Asphalt concrete, and other civil engineering applications. Aggregate , in building and construction , material used for mixing with cement , bitumen, lime, gypsum, or other adhesive to form concrete or mortar . The aggregate gives volume, stability, resistance to wear or erosion, and other desired physical properties to the finished product. Commonly used aggregates include sand , crushed or broken stone, gravel (pebbles), broken blast-furnace slag , boiler ashes (clinkers), burned shale, and burned clay . Depending upon size aggregate may be classified as: • Fine Aggregate • Coarse Aggregate Fine Aggregate Those particles passing the 9.5 mm (3/8 in.) sieve, almost entirely passing the 4.75 mm (No. 4) sieve, and predominantly retained on the 75 µm (No. 200) sieve are called fine aggregate. e.g Sand Chemically sand = silica (SiO2) Fine minerals The order

Field Compaction Methods

Compaction is the densification of soil materials by the use of mechanical energy. Soil is compacted by removing air and water from its pore space. There exists a certain amount of moisture that soil can have where a maximum unit weight is obtained. When the soil is compacted to this state it is referred to as the maximum moisture/ unit weight. The maximum Moisture/ unit weight is used exclusively to determine the degree of compaction of the earth back-fill. Objectives of Compaction:- · Increase the shear strength. · Increased bearing capacity for foundation support. · Reduce compressibility and smaller settlement of buildings and lesser deformation of earth structures. · Reduce permeability, leading to less seepage of water. · Improve stability and lower damage due to frost action. · Heavy/highway vs. building foundation compaction operations. · To reduce the degree of shrinkage and formatio

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