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Showing posts from February, 2018

Helium ions open whole new world of materials

Scientists have found an exciting new way to manipulate and design materials of the future at the atomic level and change the way they behave at a larger scale that opens the way to new applications such as early cancer biomarkers.

Geotechnical Subsurface Explorations – Purpose, Factors and Stages

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Purpose of geotechnical subsurface exploration, factors influencing the scope of such explorations and stages of subsurface earthquake explorations...

Factors Affecting Degree of Earthquake Damages to Buildings

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Various factors such as brittle columns, stiffness elements, flexible ground floor, short columns, shapes, sizes, number of storeys, type of...

Laser Crack Measurement System for Pavements – Application and Advantages

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Laser crack measurement system is highly developed technological methods of inspecting pavements which has been used extensively around the world....

Types of Documents for Heavy Civil Construction Projects

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Types of design and construction documents for heavy civil projects such as engineering design documents, bid documents, construction documents are...

Factors Affecting Embankment Dams Design and Construction

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There are number of factors that affect embankment dam design. That is why the designer needs to take these factors into consideration during the...

The way streets and buildings are arranged makes a big difference in how heat builds up

A new study shows a way to dial down the urban heat island effects that can pump up city temperatures, through different city planning based on classical physics formulas.

Precautions for Bored Piles Construction and Inspection

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There are several precautions that need to be considered while inspection and construction of bored pile foundation is preceded. These precautions...

How to Mitigate Human Induced Vibrations in Reinforced Concrete Structures?

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Human induced vibration may create serious serviceability problems in reinforced concrete structures. There are several modern strategic projects...

How to Prepare Engineering Report of Foundation Investigation?

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According to Eurocode 7, engineering report of foundation investigation need to be prepared and submitted to the client or owner as part of design...

Operations in Embankment Dam Construction

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Construction of Embankment Dam The construction operation of embankment dams is divided into four major groups of construction activities which...

Cost of Reinforced Concrete FRP Strengthening System and other Methods

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There are various techniques which are used to enhance both ultimate load capacity and serviceability of reinforced concrete structures....

Microscopic solution prevents tip of scanning tunneling microscope from hitting surface

Researchers believe they have addressed a long-standing problem troubling scientists and engineers for more than 35 years: How to prevent the tip of a scanning tunneling microscope from crashing into the surface of a material during imaging or lithography.

What are the Thickness Requirements of Strip Foundations?

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There are number of factors that control a thickness of strip foundation such as losing condition, types of soil, and depth of foundation. The...

Types of Loads Causing Vibration Serviceability Issues in Buildings

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There are various types of loads such as ground borne vibration, vibrating machinery, human induced excitation, etc. that cause vibration...

Civil engineers devise a cost-saving solution for cities

Why fix a road today if it's slated to be ripped up for new sewers next summer?

Bar Bending Schedule for Pile Foundation with Calculations

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To clearly understand the bar bending schedule of a pile foundation, it is necessary to be familiar about the typical reinforcement details of a pile...

Checks for Fixing Reinforcements in Formworks of Concrete Structural Members

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There are several checks such as condition of reinforcement and formworks, accuracy in steel bar bending, joints and dowel bars, etc. need to be...

Investigation of Rock Mass Properties for Foundation Construction

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There are various properties of mass rocks that need to be investigated before it is utilized in the foundation construction. This is because not...

What are the Inland Waterways, its Types, Advantages and Applications?

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Historically, inland waterways have been used for transportation purposes. In certain countries, it is one of the major components of transportation...

Landings in Stairs – Purpose, Location and Standard Dimensions

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What is a Stair Landing? Landings in a stair is a level floor or platform constructed at a location where the direction of stairs changes, between...

New printing technique uses cells and molecules to recreate biological structures

Researchers have developed a printing technique using cells and molecules normally found in natural tissues to create constructs that resemble biological structures.

Sight Distance in Highway Engineering – Types and Calculations

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The visibility of the road ahead of the driver will help in the safe and efficient operation of the vehicles. This will hence demand the geometric...

Engineers develop smart material that changes stiffness when twisted or bent

Scientists have developed a rubbery material that transforms itself into a hard composite when bent, twisted or squeezed. The new material could be used in medicine to support delicate tissues or in industry to protect valuable sensors.

New method to replicate harsh conditions for testing materials

Confining a plasma jet can be stress-inducing... especially on the materials especially for shielding materials. Noting the limits inherent in the test methods currently used for these materials, scientists have proposed a ground-breaking new solution: using laser-accelerated particles to stress test materials subject to harsh conditions.

Cells 'walk' on liquids a bit like geckos

Researchers have discovered that cells can 'walk' on liquids a bit like the way geckos stick to other surfaces.

Bituminous Mix Design for Pavement – Types, Materials and Properties

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A pre-planned bituminous mix design for pavement construction helps in producing a mix that is workable, durable, strong, and economical in nature....

Powerful LED-based train headlight optimized for energy savings

Researchers have designed a new LED-based train headlight that uses a tenth of the energy required for headlights using conventional light sources. If operated 8 hours every day, the electricity savings of the new design would reduce emissions of the greenhouse gas carbon dioxide by about 152 kilograms per year.

Concrete Discharge Time Requirements and Consequences of Exceeding Time Limit

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When water is added to dry mixture, chemical reactions would occur. Water content declines as a result of chemical reactions and consequently...

Methods of Pouring Concrete as per Recommendations of ACI 304R-00

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Concrete pouring is a crucial process which not only needs properly qualified persons but also considerable focus and concentrations. Almost all...

New process allows 3-D printing of nanoscale metal structures

By mixing metal ions and organic ligands, scientists have developed a process for the 3-D printing of metal structures that are smaller than ever before.

Star architecture and its impact on the city

The Guggenheim Museum by star architect Frank Gehry led to an economic boom in the Spanish city of Bilbao. This 'Bilbao Effect' is appealing to many urban planners and politicians who look to better position their cities in economic and social terms by building exceptional architectural projects. Researchers have studied three projects to investigate whether or not the desired effects materialize.

What is Geometric Design of Highways and Factors Affecting it?

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Geometric design of highway is the determination of layout and features visible on highway. The emphasis is more on satisfying the need of the driver...

What is a Plinth Beam? Its purpose, Applications and Construction

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Plinth beam is a reinforced concrete beam constructed between the wall and its foundation as shown in Figure-1. Fig.1: Plinth Beam Following topics...

Types of Failures Experienced by Different Construction Materials Used in Structures

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Types of failures experienced in different structure is greatly influenced by the type of construction material used. The resisting capability of...

Practical Methods of Providing Concrete Cover to Reinforcement

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The concrete cover thickness is a major protection measure that prevents corrosion and deterioration of reinforcement steel bars. There are number of...

Super wood could replace steel

Engineers have found a way to make wood more than 10 times stronger and tougher than before, creating a natural substance that is stronger than many titanium alloys.

Got a coastal bridge to retrofit? There's an optimal approach for that

Life-cycle engineers incorporate -- for the first time -- the three most common failure modes for bridges vulnerable to floods, hurricanes and tsunamis into a risk assessment framework to optimize retrofitting strategies.

Common Causes of Failures of Dam Structures

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Dam structures are subjected to horizontal loading from the water head behind, the pressure from the water towards the dam materials, the neighboring...

Common Causes of Failure of Bridge Structures

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Different modes of failures of bridge structures under different stages of load either man-made or natural cause, is necessary to develop strong and...

Measurement of Plinth Area and Carpet Area of a Building

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Plinth area and carpet area of a building is measured for estimation and calculation of building cost. It is also a measure of usable space of...

Cement Consumption Coefficients for Various Construction Works

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Construction works involving cement as one of the material requires cement consumption coefficients for estimation of quantities and cost of such...

Building to withstand natural disasters pays off, new research shows

For every dollar the government spends to make existing buildings more resistant to wildfires, earthquakes, floods and hurricanes, $6 is saved in property losses, business interruption and health problems, according to a new study.

Terms Used in Plane Table Surveying

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Meanings of various terms used in plane table surveying must be known before attempting for survey. Each term in plane table survey is useful and...

Controlling quantum interactions in a single material

By demonstrating that multiple quantum interactions can coexist and be controlled in a single material, researchers open the door for ultrafast, low-power electronics and quantum computers.