Civil Department (JaganNath University)

Happy Engineers Day 2018

You all are cordially invited for Engineers Day celebration on September 15,2018.

Beams & Slab Casting.

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Beams and Slabs Concreting - Roofing

Structure of Bituminous Pavements
Flexible road structure is a combination of several layers, which serves the purpose of distributing the loads from the traffic (both dynamic and static) to the underlying layers in a level so that the layers can bear without failure.
The stress is maximum at the top surface of the pavement. This value of stress decreases with the depth from top to bottom. So, a criterion about strength and the economy factor is decided based on the same concept.
That is, the top material of the pavement must be of greater strength and the bottom layer used can be of lower strength bringing economy in construction
Failure Modes in Bituminous Pavement Structure
There are mainly two ways in which the roads can undergo failure:
1. Functional Failure
2. Structural Failure
Functional Failure of Bituminous Pavement Structures
The deterioration of the pavement surface with time creates a distress, which shows the functional failure. The main reasons behind functional failure are raveling, that involves stone loss or through fretting or the reduction of surface texture due to higher abrasion or polishing effect that would, in turn, decrease the skid resistance shown by the road.
Structural Failure of Bituminous Pavement Structures
The wheel load application at a continuous rate over the pavement will result in the structural failure. During the early stages measurement of damage was very tough because the deterioration rate was very small.
With time, the traffic rate and load increase making the rate of deterioration to accelerate. This made the structural change more clear and measurable. The breakdown can be through two modes. This is explained with the help of the figure-1 and figure-2.
The Mode 1 is the permanent deformation represented in figure-1. These are deformation observed in wheel tracks. This cause rutting under the wheel application.
The absence of bottom support or bottom layer instability causes this effect. This rutting is a structural failure that differs from other ‘non-structural’ type of permanent deformation.
These non-structural permanent deformations are observed within bituminous materials, because of the accumulation of small areas due to the application of each wheel load, which cannot be recovered.
Repetitive nature of loading and excessive strain developed in the structure are the main reasons behind both the above-mentioned failures. Hence, the life of the road is determined through the determination of the type of failure. This will also help in assessing the loads coming over the pavement and carry out performance evaluation.
It is necessary that the road failure to be considered in terms of repairability or serviceability condition. This will ensure a road condition that is just acceptable for the drivers to safely ride.
Based on three conditions sound, critical and failed the pavement state is determined

Wish you all, a very HAPPY LOHRI...
May the fire of Lohri burns all the sadness, bad luck and all diseases from you, your family, friends, relatives and your home... And gives you all... Lots of wealth, health, success and happiness....

Dear Bharat Nagar Sir,
Kindly assign some moderators and page advertisers from the current students, who can operate this page properly. So that the responsibility of uploading past exam papers and other can be transferred to them.
Or kindly message in the page inbox with the names and ids of the concerned person so that we can add them to the page admins.

A large number of Indian Standard (IS) codes are available that are meant for virtually every aspect of civil engineering one can think of. During one’s professional life one normally uses only a handful of them depending on the nature of work they are involved in. Civil engineers engaged in construction activities of large projects usually have to refer to a good number of IS codes as such projects entail use of lots of assorted construction materials in many varieties of structures such as buildings, roads, steel structures, all sorts of foundations and what not.

A list of these codes can come in handy not only for them but also for construction-newbies, students, etc. The list provided below may not be a comprehensive one, yet it definitely includes some IS codes quite frequently used (while a few of them occasionally) by construction engineers. The description of the codes in the list may not be exactly the same as that written on the covers of the codes


* IS: 456 – code of practice for plain and reinforced concrete.

* IS: 383 – specifications for fine & coarse aggregate from natural sources for concrete.

* IS: 2386 – methods of tests for aggregate for concrete.

* IS: 2430 – methods of sampling.

* IS: 4082 – specifications for storage of materials.

* IS: 2116 – permissible clay, silt & fine dust contents in sand.

* IS: 2250 – compressive strength test for cement mortar cubes.

* IS: 269 – specifications for 33 grade OPC.

* IS: 8112 – specifications for 43 grade OPC.

* IS: 12269 – specifications for 53 grade OPC.

* IS: 455 – specifications for PSC (Portland slag cement).

* IS: 1489 – specifications for PPC (Portland pozzolana cement).

* IS: 6909 – specifications for SSC (super sulphated cement).

* IS: 8041 – specifications for RHPC (Rapid Hardening Portland cement).

* IS: 12330 – specifications for SRPC (sulphate resistant portland cement).

* IS: 6452 – specifications for HAC for structural use (high alumina cement).

* IS: 3466 – specifications for masonry cement.

* IS: 4031 – chemical analysis and tests on cement.

* IS: 456; 10262; SP 23 – codes for designing concrete mixes.

* IS: 1199 – methods of sampling and analysis of concrete.

* IS: 516 – methods of test for strength of concrete.

* IS: 13311 – ultrasonic testing of concrete structures.

* IS: 4925 – specifications for concrete batching plant.

* IS: 3025 – tests on water samples.

* IS: 4990 – specifications for plywood formwork for concrete.

* IS: 9103 – specifications for concrete admixtures.

* IS: 12200 – specifications for PVC water bars.

* IS: 1077 – specifications for bricks for masonry work.

* IS: 5454 – methods of sampling of bricks for tests.

* IS: 3495 – methods of testing of bricks.

* IS: 1786 – cold-worked HYSD steel rebars (grade Fe415 & Fe500).

* IS: 432; 226; 2062 – mild steel of grade I.

* IS: 432; 1877 – mild steel of grade II.

* IS: 1566 – specifications for hard drawn steel wire fabric for reinforcing concrete.
* IS: 1785 – specifications for plain hard drawn steel wire fabric for prestressed concrete.

* IS: 2090 – specifications for high tensile strength steel bar for prestressed concrete.

* IS: 2062 – specifications for steel for general purposes.

* IS: 226 – specifications for rolled steel made from structural steel.

* IS: 2074 – specifications for prime coat for structural steel.

* IS: 2932 – specifications for synthetic enamel paint for structural steel.

* IS: 12118 – specifications for Polysulphide sealants.

I request all the admins to create a CALL TO ACTION button, so that any student or any one can call the respected person for any type of query related to Civil Department of Jagannath University.

Regards,
ADMIN

Good Afternoon Students!!

New Batch of CADD CENTER for MASTER DIPLOMA PROGRAM is going to start soon.

This program includes:
> AutoCad
> Stadd PRo
> 3Ds Max
> PPM
> Primavera (Project management software)

Interested students can give their name, mobile number and email id in comment box.

Fees: 48000/- for whole course (Instalment option is available)

Ambition in our Eyes and passion running through our veins.
Civil Engineers !
All the very best for The Mid-term Examination. (y)