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Showing posts from December, 2019

Types of Base for Pavement Construction

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The construction of the base or sub-base for the pavement construction is dependent on the type of base chosen and the equipment available. In this...

Difference between Lean Concrete, Rich Concrete, and Normal Concrete

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The main difference between lean and PCC concrete is that lean concrete contains less cement compared to the water content present in it. This means,...

Three Major Types of Construction Cost Estimates

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The construction cost estimates are viewed from different perspectives based on different institutional requirements. There are several types of cost...

What is Construction Bidding?

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Construction bidding is the process of submitting a tender by the contractor to the client as a proposal to conduct or manage a particular...

What is Facility Management (FM)in the Construction Industry?

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Facility management is a set of managerial services performed to support a particular business to do business. This field involves the coordination...

Twisting of Buildings During Earthquakes- Causes, and Effects

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Twisting of buildings is one of the factors that cause severe damages during earthquakes. This commonly occurs in buildings due to stiffness...

Manhole Covers – Size, Types, and Classes

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Manholes cover is a removable plate that is used to shield the manholes from anyone or anything from falling into it. Different manhole cover sizes,...

Materials Used for Manhole Construction

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The manhole construction comprises the construction of manhole and providing a suitable cover for it. The material chosen for the manhole and manhole...

Manhole – Purpose, Types, and Features

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A manhole or an inspection chamber is a unit constructed underground to provide access to the utilities like a sewer system, drainage system, etc....

What are Construction Barriers?

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Construction barriers are physical items in the form of signs or fences that are used on the construction sites to: Protect anything against damage...

The coolest LEGO ® in the universe

For the first time, LEGO ® has been cooled to the lowest temperature possible in an experiment which reveals a new use for the popular toy -- the development of quantum computing. A figure and four blocks were placed inside the most effective refrigerator in the world, capable of reaching 1.6 millidegrees above absolute zero (minus 273.15 Centigrade), which is about 200,000 times colder than room temperature and 2,000 times colder than deep space.

Using a material's 'memory' to encode unique physical properties

As materials age, they 'remember' prior stresses and external forces, which scientists and engineers can then use to create new materials with unique properties.

Determination of Dry Density of Soil by Water Displacement Method

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Water displacement test method is used to determine the dry density of soil. It is suitable for evaluating in-place dry density of cohesive soil due...

Quality and Safety Concern in Building Constructions

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Quality control and safety represent increasingly important concerns for project managers. This is because defects or failures in constructed...

Determination of In-situ Density of Soil by Water Replacement Method

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The water replacement test method is used for the determination of field density of soil and rocks (includes materials that commonly contain...

Seismic Zones in India

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Seismic zones in Indian subcontinent is divided into four seismic zones (II, III, IV, and V) based on scientific inputs relating to seismicity,...

Solar Shingles for Roof Construction – Types, Features

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A solar shingle or photovoltaic solar shingle is a solar panel whose configuration is similar to that of a roof shingle, which is combined with an...

What is Uplift Pressure? Effects on Foundations, and Prevention Strategies

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Uplift pressure, which is also known as hydrostatic uplift, is an upward pressure applied to a structure that has the potential to raise it...

Mechanization in Construction Industry- Motivations, and Advantages

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Mechanization is the process of shifting from working largely or exclusively by hand to do that work using machines. The construction projects are...

Roller Compacted Concrete- Properties, Advantages, and Applications

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Roller-compacted concrete (RCC) is a concrete of zero-slump consistency in its unhardened state used in pavement and dams. It is transported, placed,...

Fluid Pressure and Pascal’s Law in Fluid Mechanics

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Fluid pressure and pascal’s law are explained briefly by considering a small fluid element that is in the state of rest. The concept is more...

What are the Compressibility and Consolidation of Soil?

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The compressibility of soil is defined as the capability of soil to decrease its volume under mechanical loads, whereas the consolidation is the...

What is Porotherm Bricks? Properties, Advantages, and Applications

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Porotherm clay bricks are horizontally or vertically perforated clay bricks. they are manufactured in variety of sizes (common size is...

Top 1O Roof Shingles for Building Construction

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Roofing with shingles is considered to be a large investment which varies depending on the roofing area and the type of roof shingle chosen....

Smart intersections could cut autonomous car congestion

Researchers have developed a first-of-its-kind model to control traffic and intersections in order to increase autonomous car capacity on urban streets of the future, reduce congestion and minimize accidents.

Formula 1 technology for the construction of skyscrapers

Researchers are developing new vibration-control devices based on Formula 1 technology so ''needle-like'' high-rise skyscrapers which still withstand high winds can be built. Current devices called tuned mass dampers (TMDs) are fitted in the top floors of tall buildings to act like heavyweight pendulums counteracting building movement caused by winds and earthquakes.

What are Roofing Shingles?

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Roof shingles are roofing material that consists of individual overlapping elements placed one over the other. These roof elements are flat and...

First of a kind in-vitro 3D neural tissue model

Researchers have successfully used stem cells to engineer living biohybrid nerve tissue to develop 3D models of neural networks with the hopes of gaining a better understanding of how the brain and these networks work.

Chiton mollusk provides model for new armor design

The way the scale armor works is that when in contact with a force, the scales converge inward upon one another to form a solid barrier. When not under force, they can 'move' on top of one another to provide varying amounts of flexibility dependent upon their shape and placement.

14 Principles of Management by Henry Fayol

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The 14 principles of management stated by Henry Fayol is one of the famous administration theory used in management. This is the basics of any...

Your food may help make stickier, safer glues for laptops, packaging, furniture

A group of scientists has taken inspiration from the field, kitchen and the ocean to create strong glues.

Microwave treatment is an inexpensive way to clean heavy metals from treated sewage

A team of researchers studying new methods to remove toxic heavy metals from biosolids -- the solid waste left over after sewage treatment -- found the key is a brief spin through a microwave.

Tape Corrections in Chain Surveying

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The chain surveying performed by a tape is expected to have some errors due to incorrect tape measurements. In ordinary chaining works, the errors...

'Buildings' in human bone may hold key to stronger 3D-printed lightweight structures

The discovery of how a 'beam' in human bone material handles a lifetime's worth of wear and tear could translate to the development of 3D-printed lightweight materials that last long enough for more practical use in buildings, aircraft and other structures.

A robot and software make it easier to create advanced materials

A team of engineers has developed an automated way to produce polymers, making it much easier to create advanced materials aimed at improving human health. The innovation is a critical step in pushing the limits for researchers who want to explore large libraries of polymers, including plastics and fibers, for chemical and biological applications such as drugs and regenerative medicine through tissue engineering.

Determination of In-situ Soil Dry Density by Sand Replacement Method

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The sand replacement test method is used to determine in situ dry density of soil. The procedures, materials, equipment, and specifications of this...

New 'hyper glue' formula

With many of the products we use every day held together by adhesives, researchers hope to make everything from protective clothing to medical implants and residential plumbing stronger and more corrosion resistant thanks to a newly-developed 'hyper glue' formula.

Novel material switches between electrically conducting and insulating states

A new approach could inform the design of quantum materials platforms for future electronics, as well as faster devices with more storage capabilities.

Double Shear Test on Mild Steel

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Double shear test is used to determine the shear strength (ultimate shear stress) of the mild steel specimen. Universal testing machine (UTM) is used...

Sustaining roads with grape and agricultural waste

The US spends $5 billion a year to repair damages to road infrastructure from winter snow and ice control operations and the use of traditional deicers. A team of researchers is developing a more sustainable solution using grape skins and other agricultural waste.

Researchers hope to use big data to make pipelines safer

Researchers look at the methodologies currently used by industry and academics to predict pipeline failure and their limitations. Researchers found that the existing academic literature and industry practices around pipeline failures need to further evolve around available maintenance data.

'Smart' surfaces to help blood-vessel grafts knit better, more safely

Researchers have created a new coating to prevent clotting and infection in synthetic vascular grafts, while also accelerating the body's own process for integrating the grafted vessels.