by Mehan on December 17, 2009
The Geo synthetic is mainly used to improve the foundation performance in civil field. This is one of the natural soil materials that provide high quality building, transportation and other civil projects. Most of this geo synthetic method used in all transportation industry shut in roadways, waterways, airports and railroads. The Geosynthetic polymeric materials like geonets, geosynthetic clay liners, geomembranes, geotextiles and geogrids.
At geotextile, offers high load carrying capacities achieved by a single layer and also graveled surface lifetime should be increased. Over all designing facilities are provide the innovative standardization technology solutions that will meet the customer’s requirements and needs. The major thing is geotextile selection is roadway applications are normally governed by the anticipated construction stresses.
The Geotextile testing properties and methods have high level material functions that improved strength with minimum cost of the construction materials.
Main function of geosynthetics
• Drainage
• Filtration
• Separation
• Reinforcement
• Provision of a fluid barrier
• Environmental protection.
by Mehan on December 8, 2009
Royal Engineers have a great experience in construction fields. The Barker crossing temporary bridge was assembled on the River Derwent bank and it is the some replacement process for the Calva Bridge. This is the bridge, the workers worked with the high co-ordination over the weekend and install ramps and lighting to optimize the Mabey bridge compact 200 panel bridge. And it is one of the military structures for the pedestrian use.
All the construction efforts ran to schedule of Royal engineers. The bridge structure has 12 lightweight truss sections that are landed and then the bridge was pushed forwards. The bridge was jacked down onto its bearing and the deck panels put on, it acting as a nose.
The Royal Engineer Senior Major Grant Kerr said, “Everything went to plan. All of the guys are proud of their achievements. The Cumbria councils and Allerdale Borough council have been absolutely brilliant”.
The new structure was designed 300m upstream of the old bridge that connection between the north and south sides of town. The bridge opened functions attended by Minister of State for the Armed Forces bill Rammell, local residents and local childrens at 8.00 AM, on November 20.
by Mehan on November 13, 2009
Shotcrete, is the process of pneumatically placed concrete. It is one of the material and an application. Here, the requirements for shotcrete materials are mainly based on the chemical and physical properties. The following materials are used in the Shotcrete
• Portland Cement -> Type I, Type II and Type III.
Cement is exhibit a tendency towards flash setting to be avoided and it is supported by different exposure requirements and strengths.
• Aggregate
The Aggregate gravity should not less than 2.50. It is the best security procedure to screen all used particles. In Coarser Sand is used to increase the re bound and reduce the particle over sizes. Aggregate should be hard and sound.
• Water
Clean Water depending upon the Short Crete mixing.
• Reinforcing Steel
This is applicable requirements of section 03 20 00 concrete reinforcing.
• Admixtures
It is specifically helpful for Shotcrete work. There are four types available such as Set Controllers, Air-Entraining Agents, Mineral Admixtures and Water Reducer.
Water reducing properties are mainly used for the improvements in strength and cohesiveness.
It consist of two mixing process,
1. Dry-Mix Process
2. Wet-Mix Process
The mix process contains a 70 percent aggregate and sand and 30 percent cement material. The Dry mix proportions that will best suited ranges of 1 part cement to 3 to 4 ½ parts sand. The sand dump in the dry mix should be damped and the nozzle man has a critical time managing acceptable slump and uniformity of the shotcrete in place. Test panel used to determining the physical properties like water tightness, shrinkage and strength. The sand particles must be coating with cement. The Wet-Mix process permits best control and more accurate than the dry –mix. Four types of admixtures can be used and mix proportion is same as to the dry mix. The slump is normal use in the range from 0 to 4 inches and proper control of water mixing.
by Mehan on October 9, 2009
Concrete is the most civil construction material that makes best foundations, architectural structures, bridges, roads, block walls, fences and poles. This is one of the man-made materials in the world. Production of Portland cement is used for general purposes and it creates about 5-8 percent of human CO2 emissions. Moreover, Concrete has high compressive strength and low tensile strength.
Geo polymer concrete is an essential class of cement materials that forms “fly ash”. It has the potential to substantially curb CO2 emissions and more durable infrasture used for disposal of coal combustion products and protect surface bodies. This is a 5,000 lb. geopolymer concrete block cast using fly ash,
The potential of geo polymer concrete technology mainly helps to satisfy the future energy needs. The main feature of the Geo Polymer Concrete (GPC) is,
• Large Compressive and Tensile Strength
• Greater Corrosion Resistance
• Rapidly Strength Gain
• Higher Fire Resistance (up to 2400°F)
• Lower Shrinkage.
The Geo Polymer concrete innovation program conducted by Dr. Erez Allouche, Assistant Professor of Civil Engineering at Louisiana Tech University and Associate Director of the Trenchless Technology.
by Mehan on October 5, 2009
Civil CAD is a most familiar Computer Aided Drafting Software that used in Civil Construction filed. This vector graphics drawing diagram was also responsible for create the new civil 2D design, civil 3D design to all land developers, planning professionals and architects. In the first version of Civil CAD was release in 1982 Dec and the last version of Civil CAD 2006 was released in 2005 Mar.
Now, the Successful Civil CAD 2010 solutions for Civil Engineering Professionals were announced by Briscad and Sivan Design Software Solutions. Bricsys and Sivan Design Solutions have its network of high partnership strength and trusted customers who can find the best Civil Engineering CAD products with many languages. It roots to almost few years in the field of Civil CAD software products.
Civil CAD 2010 consist of five professional based modules to suitable user requirements such as,
• Civil CAD 2010 Survey
• Civil CAD 2010 Standard
• Civil CAD 2010 Roads
• Civil CAD 2010 Pipes
• Civil CAD 2010-Full Packages.
-> Civil CAD 2010 Survey Packages Provides more than one surveying solutions to fully meet from office to field and field to office needs and requirements.
->Civil CAD 2010 Standard is mainly covers full set of features for Land development calculation, Contour line processing, and Earth Work computations and lot of solutions for handling planes.
->Civil CAD 2010 provides the best planning and designing of Roads, Earth work calculations and Solution of Upper ground, Underground infrastructure. This is creating the accurate and high speed result for road engineers.
->Civil CAD 2010 Pipe Tools used for infrastructure Pipelines layout planning like Sewage, Drainage system, Oil, Gas, Water and Cables.
-> Civil CAD 2010 Full Packages for Real civil engineers who offer Win-Win solution, and are able to meet any construction challenges. It can fully express the Civil CAD 2010 ideas and features.
by Mehan on September 1, 2009
Foreign Secretary Shiv Shankar Menon said that the big concern of India in sri lanka was to reduce the humanitarian crisis and said New Delhi was looking the ways to have food,medical relief supplies to the stranded in the war areas. Mr. Menon is to participate the SAARC Standing Committee meeting, said to the reporters that he discussed with his Sri Lankan experts about various probelm linked to the humanitarian crisis and bilateral relations.
He said that India and Sri Lanka agreed to work together to refer the urgent medical needs of the civilians. India will send a complete emergency medical unit with hospital, surgeons and support staffs and necessary equipment and supplies. This will be augmented. Separately,an Editor of the Colombo-based Tamil daily Sudar Oli N. Vithatharan was picked up by police for questioning triggering panic among the media community.
Firstly, there was a confusion between the arrest. It was presumed that he had been abducted. Reporters without Borders quoted the Sri Lanka Information Minister as telling the Editor had been picked up in connection with some calls he made on the night of the last Lankan tigers air raids on Colombo and he was treated well by the police.
by Mehan on July 13, 2009
Digital Rights Management is know as DRM and, also sometimes its is called as a electronic copyright management systems. Digital rights management is implemented by inserting code that avoids copying, identify a time period in which the content can be right of entry or limits the number of devices the media can be installed on. Digital rights management is an organized move toward to copyright safety for digital media.
The use of DRM is to avoid unauthorized redeployment of digital media and limit the ways that the clients can copy content which they have purchased. DRM systems contain a number of technical workings, which can consist of encryption, an observation device, databases of works, owners and users, license management functionality and technological security actions.
Digital Rights Management observation capabilities agree to copyright owners to congregate and examine full information about users’ reading, presentation and listening habits. so far a day the Digital Rights Management growth has usually endure from a lack of standardized standards and need of interoperability.
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by Mehan on April 21, 2009
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by Mehan on April 3, 2009
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