Commonly used Indian Standard Codes (IS codes) for civil engineers

IS stands for Indian standard. Each country possesses their own code book identical to that India contains IS code book for RCC, steel structure. The IS codes includes numerous standards and methodology for construction, raw material used, structural analaysis and other provisions.

It comprises of some data based on which a civil engineer design the structure. It contains some pre defined formulae and data.

Civil engineers who perform construction activities of big projects generally should be well versed with a wide array of IS codes since such projects require different types of construction materials in several structures like buildings, roads, steel structures, all sorts of foundations etc.

Given below, detailed lists of some IS codes which are extensively used by construction engineers.

IS 456:2000: Plain and Reinforced Concrete - Code of Practice (Download link bit.ly)

IS 383:1970: Specifications for fine & coarse aggregate from natural sources for concrete (Download link drive.google.com)

IS 2386 (Part I) 1963: Methods of Test for Aggregates for Concrete, Part I: Particle Size and Shape (Download link drive.google.com)

IS 2386 (Part II) 1963: Methods of test for aggregates for concrete, Part II: Estimation of deleterious materials and organic impurities (Download link drive.google.com)

IS 2386 (Part III) 1963: Methods of test for aggregates for concrete, Part 3: Specific gravity, density, voids, absorption and bulking (Download link drive.google.com)

IS 2386 (Part IV) 1963: Methods of test for aggregates for concrete, Part 4: Mechanical properties (Download link drive.google.com)

IS 2386 (Part V) 1963: Methods of Test for Aggregates for Concrete, Part V: Soundness (Download link drive.google.com)

IS 2386 (Part VI) 1963: Methods of test for aggregates for concrete, Part 6: Measuring mortar making properties of fine aggregates (Download link drive.google.com)

IS 2386 (Part VII) 1963: Methods of Test for Aggregates for Concrete, Part VII: Alkali Aggregate Reactivity (Download link drive.google.com

IS 2386 (Part VIII) 1963: Methods of Test for Aggregates for Concrete, Part VIII: Petrographic Examination (Download link drive.google.com)

IS 2430-1986: Methods for Sampling of Aggregates for Concrete (Download link drive.google.com)

IS 4082-1996: Recommendations on stacking and storage of construction materials and components at site (Download link drive.google.com/)

IS 2116-1980: Sand for masonry mortars – Specifications (Download link drive.google.com)

IS 269-1989: Specification for Ordinary Portland Cement, 33 Grade (Download link drive.google.com)

IS 8112-2013: Specification for 43 grade ordinary Portland cement (Download link drive.google.com)

IS 12269-1987: Specification for 53 grade ordinary Portland cement (BI-LINGUAL) (Download link drive.google.com)

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Published By
Rajib Dey
www.constructioncost.co
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Concrete Mix Design & Concrete Calculator – A useful app for civil engineers

Concrete Calculator is a free calculator that can be used for the following purposes :-

1. Measure cement, sand and aggregate quantity in concrete.
2. Measure the number of premix bags necessary for your project.

3. There is option to settle your own size and rate of premix bags.
4. Measure the volume of concrete necessary for slabs, walls, footings and columns.
5. Work out the weight of materials essential for making the calculated volume of concrete.

The purpose of concrete mix design method is to make proportion of the materials of concrete (cement, sand, and aggregate) inexpensively to attain superior strength and stability on the basis of the materials obtainable at a construction site.

The nominal concrete mix proportions adhering to the code may contain a greater amount of cement with regard to the actual amount necessary when it is designed on the basis of actual design parameters, consequently the cement requirement may be low for the equivalent grade of concrete for a specified site.

The proportions originating from concrete mix design are examined for their strength through compressive strength test on concrete cubes and cylinders.

This concrete calculator is specifically designed for professional Civil Engineers, Concrete Technologists, Civil Engineering Students and DIY(Do It Yourself) enthusiasts similarly.

The user interface is very simple and results are provided specifying the amount of ingredients necessary in kilograms. The design steps are also provided in order that s the user will be able to simply validate the calculations.

To download, click on the following link play.google.com

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Published By
Rajib Dey
www.constructioncost.co
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Some crucial factors a civil engineer should follow

This construction video tutorial sifts through some vital factors which should be abided by a civil engineer to apply them in the jobsite.

The factors are discussed in below :-

Compressive strength of bricks should be 3.5 N/mm2

Water immersion of bricks should not surpass 15%

Free fall of concrete is permissible up to 1.50 m

Lowest thickness of slab is 125 mm

Longitudinal reinforcement should not be under 0.8% and over 6% of gross C/S

Lowest bars required for square column is 4 Nos and for circular column is 6 Nos

If the bars contain diameter over 36 mm., lapping is not permissible

Compressive strength of bricks is 3.5 N/mm2

Earthwork excavation toward basement over 3 m should remain in stepped form

Cement should be preserved in dry places on a raised platform roughly 200 mm

Electrical conduits should not be set in column

For more information, watch the following construction video.

Read more

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Rajib Dey
www.constructioncost.co
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Prestressed Girder SUPERstructure design and analysis

It is powerful open source software that is used for designing and analyzing of precast-stress free girder bridges and can handle easily. It allows creating models in a simple way and continuously stretches structures and designs as per with the AASHTO LRFD Bridge Design Specifications.

It also has advanced Bridge Information Modeling or BrIM capabilities that help users to keep focused continuously on modeling, designing and analyzing real bridges.

PGSuper examines and designs formed girders for every critical stage such as: casting, lifting, carrying, building, service and final conditions. The automatic designer fixes the prestressing, solid strength, lifting, transportation and slab side requirements and this software has the broadest and detailed reports and every detailed calculation can be reviewed.

PGSuper 2.8.2 is created by the Washington State Department of Transportation’s Bridge and Structures Office and licensed under the Alternate Route Open Source License. The software file size is about 24.09 MB and works with the Windows only and is free to be used and can be modified by all; but it is not the most capable precast girder bridge design program. This software is mainly designed by Bridge Engineers to use n high-production design environments and supports a huge order of parametric shapes and has user defined filament, reinforment and stirrup layouts.

Here are some design specifications of PGSuper, such as:

• Has AASHTO LRFD 1998-2008
• It rectify all suitable specifications
• It is very much configurable

• Comes with User Input Stress Limits
• Can computed and has User-Input Distribution Factors
• Also has User-Input LRFD Load Modifiers
• Have five methods of Loss Calculations.

There is some other software that has the same features like PGSuper and here are some descriptions about them:

1. PGSPLIC 1.0: It is joined girder analysis software of Washington State Department of Transportation and has been developed for the Alternate Route Project.
2. BRIDGELINK 3.0: BridgeLink is an integrated bridge engineering software tool for analysis, design and load rating.
3. RSPBR2 1.3: It is a plane frame structural analysis program for supporting bridge engineers in design and checking beam bridges.

4. QCONBRIDGE 4.3.2: it is a live road analysis program to continuous bridge frames.
5. BARLIST: This program is used for calculating the weight of steel reinforcement bars which is used in a bridge structure and for assisting in the creation of barlist drawings for bridge project contract plans.
6. PSGSIMPLE: it is a spreadsheet that performs prior analysis of a precast prestressed bridge girder at the prestress transfer and service stages.

To gather more information, go through the following construction article pgsuper.com

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Published By
Rajib Dey
www.constructioncost.co
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Various jobs opportunities for civil engineers in Dubai

In this video, you will get detailed information of job vacancies for civil engineers. The location of the job is Dubai.

Quantity Surveyor: A position is vacant for experienced and qualified quantity surveyor in Dubai.

Abilities:

At least 3 to 6 years working experience in quantity surveying field.
Ability to work autonomously along with skill to write correspondence.
The candidate should contain minimum a diploma or similar education.
The candidate should have outstanding communication and interpersonal skills.
Knowledge with interior fit-out-industries will be treated as extra qualification.

Duties and responsibilities :-
Quantity measurement
Deal with costing
Make quotations

To apply for the job, go through the following website www.indeed.ae

Civil Engineer: A position is vacant for knowledgeable civil engineer in UAE.

Abilities:
Accomplish technical and feasibility studies and sketch out blueprints as per technical specifications.
Give useful suggestions and solve out any prospective issues and deficiencies.

Deal with the consequential structures and services to be utilized.

Ability to control budget and buy equipment/materials.

Duties and responsibilities
Project Management and supervision skills
Sound communication and interpersonal skills
One year working experience in the jobsite.
BS/MA in Civil Engineering

This post is intended for male candidates only.

To apply for the job, go through the following website www.jobsara.com

Watch the following construction video to get more jobs information.

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Published By
Rajib Dey
www.constructioncost.co
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Civil Engineering Notes is a useful construction app for Civil Engineers

Civil Engineering Notes is a useful construction app for Civil engineering communities. The app includes various topics related to civil engineering branch which are very useful for civil engineers to improve their knowledge.

The app provides good information for all types of competitive examinations. All the topics in this construction app are narrated in very simple terms. The app provides huge benefits to the newbie engineers as well as advanced civil engineers.

The app shed light on the following topics :-

Construction Technology; Engineering Materials; Construction Planning and Management; Surveying; Railway Engineering; Highway Engineering; Hydrology; Water Resources; Engineering Mechanics; Kinematics and Kinetics; Strength of Materials; Structural Analysis; Structural Steel Design; Design of Concrete and Masonry Structures; Cantilever and Counter fort type retaining walls; Fluid Mechanics; Dimensional Analysis and Similitude; Laminar Flow; Open channel flow; Boundary layer; Hydraulic Machines and Hydropower; Soil Type and structure; Compressibility and consolidation concept; Compaction of soil; Sewerage systems, etc.

There are various illustrations supported with diagrams so that the users can understand the app in a better manner. Besides, graphical demonstration, there are various mathematical formulas.

The app will facilitate the civil engineers to efficiently design, build and maintain the physical and naturally developed environment together with projects like bridges, roads, canals, dams and buildings.

The app can be downloaded from google play store play.google.com

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Published By

Rajib Dey

www.constructioncost.co

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Strength of Doubly Reinforced Concrete Beam (compression steel not yielding)

Some useful construction tips to calculate the nominal flexural strength Mn concerning the reinforced concreterectangular section. It is illustrated in figure 9-3(a).

The provided section is reinforced twice with steel in tension and compression zone of the section. The guidelines of ACI-318 is followed for calculating the nominal flexural strength Mn. The highest value of applicable strain at the utmost concrete fiber is supposed to be 0.003.

For fc' grerater than 4000 psi the value of ß1 is calculated as given below;

ß1 = 0.85 - 0.05 {( fc' -4000)/1000} = 0.8

Assume that the compression steel has yielded when the strength is reached (strain in concrete is 0.003).

Given that tension steel consists of 4 bars of #10 (dia 1.27 in.).

Area of one bar of #10 = 1.27 in2.

As = 4-#10 bars. = 4 (1.27) = 5.08 in2.

Area of compression steel , As' = 2-#7 = 2(0.6) = 1.2 in2. The internal forces acting on the section shown in figure 9-3(c) are calculated as given below;

Cc = 0.85 fc' ba = 0.85 (5) (14) a = 59.5 a 

Cs = (fs' - 0.85 fc') As' = (60 - 0.85*5) 1.2 = 66.9 kips

T = As fy = (5.08) (60) = 304.8 kips

Applying static equilibrium, we get Cc + Cs = T;

59.5 a + 66.9 = 304.8

therefore depth of stress block, a = (304.8- 66.9)/59.5 = 3.998 in Depth of neutral axis x = a / ß1 = 3.998/0.8 = 4.997 in

Read More: civilengineer.webinfolist.com/

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Published By

Rajib Dey

www.quantity-takeoff.com

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How to design a single reinforced concrete beam

This construction video will be very helpful for Civil Engineering Students to learn how to create the design concerning a singly reinforced concrete beam through step-by-step processes.

Reinforced concrete belongs to one of the primary building materials applied in engineered structures and it provides the following benefits :-

• Reinforced concrete contains superior compressive strength with regards to most other materials utilized in construction.

• Good fire resistance capability as compared to steel. It can defend against fire for a long period. It is also weather resistant.

• It is endurable and offers low maintenance cost.

• To some specific sorts of structures like dams, piers and footings, it can be the most cost effective structural material.

• It can be cast to accommodate with the desired shape and extensively applied in pre-cast structural components.

• It complies with unyielding members through least apparent deflection.

• Yield strength of steel is about 15 times the compressive strength of structural concrete and well over 100 times its tensile strength.

• Formability.

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Published By

Rajib Dey

www.constructioncost.co

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How to make estimates for road with Autocad

Super Civil 3D introduces a very informative online construction video through their youtube video channel. This construction tutorial is useful Civil Engineers, Road Builders, Contractors, Project Managers & Students. By going through this online presentation, the construction professional can learn how to use Autocad for creating estimates for roads & highways which cover QUANTITY ESTIMATION OF ROAD WORKS , EARTHWORK CALCULATIONS , CROSS & L SECT.

Watch the following demo video that focuses on how it works.

For more information, visit www.supercivilcd.com / www.agboatwala.com

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Published By

Rajib Dey

www.quantity-takeoff.com

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Top Ten Software used in Civil Engineering

The civil engineers are always choose and excited to use thesoftware. But now the question is what kind of software are preferable for the expert civil engineers.

In this case, good engineers can simply build and check list and start your journey without delay.

However, you will recognize some or all of them as a result of they're user friendly and really in style. Thus on the premise of the requirement mention higher than, high 10 software package are listed as follows as per civilvalley.blogspot.in

Microsoft Word: It is understandable that none of the person will begin his accomplished career predominantly official process while not knowing the importance and value of Microsoft workplace product like MS Word, MS Excel, MS PowerPoint and list goes on.

“AutoCAD” and “Google Sketchup”: Writing is the best tool for note down the imagination or you can draw and make a plot. In AutoCAD, a small little question and it's the foremost much-liked package in beaux arts world has the equivalent significance for the applied science similarly. It first comes from the layout, plan and 2nd and 3rd views as well as 3D views that square measure shaped most generally with none of the conflicting howeverAutoCAD. The straightforward to know as compared to the commands. You'll create your 2nd into 3D simply by memorizing a Tool, then simply one click to drag and it’s done.

SAP 2000: It is 30-year-old essential software which structurally use in Latin and Central America and sometime in Portugal, Italy and Spain. The other options are StaadPro, ETABS and Risa 3D. The network sometime makes it easier. How?

• It makes geometric input than with StaadPro.
• Dynamic analysis is stronger in SAP2000 for example earthquake force applied in any direction, automatic lumping of masses for earthquake, live load reduction, bridges transient loads, eigen modes and ritz modes, etc.
• It has amenities for sneak into the concrete. Its ability to solve heterogeneous soil-structure interaction clearly differentiates it from others.

CSI SAFE: It works designing concrete floor and foundation system. It frames layouts for the detail drawings. It put together every features of engineering. It provides supreme profit to the engineer with its truly sole mixture of power, comprehensive capabilities, and in a uses friendly way.

Primavera Project Planner: Primavera Software, Inc., are the leading supplier of Project Portfolio Management (PPM). This is an answer for project-intensive industries. It is actually owned by Oracle.

MXRoads: Bentley MXROAD is a superior, higher quality, string-based modeling tool that allows the fast and exact design of road types. With MXROAD you can rapidly build design alternatives to achieve the “ideal” road system.

Pipe 2012: Pipe2012 is a flawlessly included suite of software which consists of the engines KYPipe, Steam, SWMM, Gas, Surge, and GoFlow. For forty years, KYPipe has and given the support for pipe system hydraulic flow software.

“VectorWorks Designer” & “Rhino”: It is almost free software. Vector works Designer and Render works are complete with each other. All the components an engineer needs to have creating your designs come alive are here. The Rhino 5 development process began more than five years before with one superseding objective—to get rid of as many of your workflow blockage.

Mathcad: Mathcad by PTC® is a product making company. It increases the industry standard software for engineering calculations.

“Visual Basic” & “HTML”: Above two are not in fact the software, these are more than software in fact these are all programming languages.

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Published By

Rajib Dey

www.quantity-takeoff.com

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