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Showing posts from November, 2019

What is the Global Information System (GIS)?

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GIS is a computer-based information system that performs the activities of capturing, storing, manipulating, analyzing and displaying both spatial...

10 Causes of Earthquake Damages in Unreinforced Masonry Buildings

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There are several weaknesses that may cause the failure of unreinforced masonry structure during earthquakes. These weaknesses are design and...

What are the Four Virtues of Earthquake Resistant Buildings?

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There are four virtues that any earthquake resistant buildings should have to a certain extent in order to withstand designated seismic forces. The...

I.S Codes on Earthquake Resistant Building Design

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Earthquake resistant building design guidelines are provided by set of Indian Standard codes (IS Codes). After observing Indian earthquakes for...

English Bond and Flemish Bond – Features & Difference

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English bond and Flemish bond are the two most common brick masonry patterns used in wall construction. A brick construction pattern with alternate...

What is the Difference Between Magnitude and Intensity of Earthquake?

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Magnitude and intensity measure various characteristics of earthquake. The former measures the energy released at the source of the earthquake....

Test for Setting Times of Concrete Mixture Based on ASTM C403M-16

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The penetration resistance test used for the determination of initial and final setting time of concrete mixture in laboratory and project site, and...

What is the Whole Bearing System (WBS) and Quadrantal Bearing System (QBS) in Surveying?

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The whole bearing system (WBS) and Quadrantal Bearing system (QBS) are two notations of bearings that are used in compass surveying. The WCB system...

Magnetic Compass Used in Surveying -Principles & Types

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The compass surveying is performed by means of a magnetic compass which helps to determine the angles and the direction of the survey lines. The main...

What is Fire Resistance of Concrete? Mechanism, and Influencing Factors

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Fire resistance of concrete is the ability of concrete to withstand fire or to give protection against fire. This involves the ability of concrete...

New metallic material for flexible soft robots

A team has created a material that is half as light as paper and highly flexible but also shows enhanced characteristics for electrical conductivity, heat generation, fire-resistance, strain-sensing and is inherently capable of wireless communications.

Erros in Chaining – Types and Causes

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The errors formed in chaining can be either cumulative error and compensating error. The errors can be considered either as a negative value or...

Incorrect Chaining in Surveying – Error & Correction

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If the chain that is employed for measuring length is not equal to the true length, then the length measured won’t be correct. This measurement...

What is Ranging? Direct and Indirect Ranging

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The process of fixing or establishing intermediate points to facilitate measurement of the survey lines are called as Ranging. The intermediate...

Bulk Density and Void Percentage Test for Aggregates

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The bulk density and void percentage of aggregate can be evaluated using standard test methods of applicable codes such as ASTM C 29/C29M-17a, IS:...

How the Ground Shakes During Earthquakes?

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Ground shaking is the consequence of movement of seismic waves, which ranges from quite gentle in small earthquakes to considerably violent in large...

New electrodes could increase efficiency of electric vehicles and aircraft

The rise in popularity of electric vehicles and aircraft presents the possibility of moving away from fossil fuels toward a more sustainable future. While significant technological advancements have dramatically increased the efficiency of these vehicles, there are still several issues standing in the way of widespread adoption.

Linear Measurements in Surveying by Direct Method

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Linear measurements in surveying can be performed by mainly three methods namely direct method, electromagnetic methods and optical methods. The...

Smart buildings face challenges but have plenty of potential

Scientists have examined the concepts of occupant-centric control in the burgeoning field of smart buildings. They propose future directions for OCC research by providing recommendations to address these challenges and to standardize OCC implementations.

Important Terms Used in Masonry Construction

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Masonry is a widely used term in the field of construction. Some of the important terms related to masonry works that must be known by the...

Stone Masonry Construction – Materials and Classification

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Stone masonry is a type of building masonry construction that uses stones and mortar. This construction technique is used for building foundations,...

Types of Masonry Construction Based on Material

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A variety of materials combined with mortar of varying strength can be used for masonry construction. Some of the common materials used are brick,...

Types of Seismic Control System in Building Structures

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Different types of seismic control systems are used in earthquake-resistant design that serves the purpose of reducing the action of earthquake...

Synthetic biologists developing a new class of high-performance materials

Synthetic biologists have developed a process that could lead to a new class of synthetic polymers that may create new high-performance materials and therapeutics for Soldiers.

Learning from traditional Indian building techniques

Dense, humid broadleaf forests, monsoon-swollen rivers and deep ravines -- in the Indian state of Meghalaya wooden bridges easily decay or are washed away in floodwaters. Bridges made from steel and concrete are pushed to their limits here as well. But bridges made of living tree roots can survive here for centuries. Researchers have investigated these special structures and proposes integrating this extraordinary building technique in modern architecture.

What is the Effective Stress Principle in Soil Engineering?

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The effective stress principle in soil engineering is one of the important theories put forward by Karl Terzaghi in the year 1936. It is the...

What are the Contents of Construction Documents?

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Construction documents are written, graphic, and pictorial documents prepared or assembled for describing and communicating the design, location, and...

What are Permanent and Temporary Works at Construction Sites?

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Construction site works are generally classified into permanent site works and temporary site works. Permanent site works are required for the entire...

Standard Brick Dimensions Based on Different Codes

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Brick dimensions is one of the most crucial parameters that need to be considered during the selection of bricks in order to ensure they fit with...

Cantilevered Beams and Trusses- Applications and Advantages

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A cantilever is a rigid structural member such as beam fixed at one end to a commonly vertical support from which it protrudes. It can also be...

Researchers develop thin heat shield for superfast aircraft

The world of aerospace increasingly relies on carbon fiber reinforced polymer composites to build the structures of satellites, rockets and jet aircraft. But the life of those materials is limited by how they handle heat. Engineers are now developing a design for a heat shield that better protects those extremely fast machines.

Theoretical tubulanes inspire ultrahard polymers

Engineers print 3D blocks based on theoretical tubulanes and find they're nearly as hard as diamond.

Artificial intelligence to run the chemical factories of the future

A new proof-of-concept study details how an automated system driven by artificial intelligence can design, build, test and learn complex biochemical pathways to efficiently produce lycopene, a red pigment found in tomatoes and commonly used as a food coloring, opening the door to a wide range of biosynthetic applications, researchers report.

Visualizing heat flow in bamboo could help design more energy-efficient and fire-safe buildings

Modified natural materials will be an essential component of a sustainable future, but first a detailed understanding of their properties is needed. The way heat flows across bamboo cell walls has been mapped using advanced scanning thermal microscopy, providing a new understanding of how variations in thermal conductivity are linked to the bamboo's elegant structure. The findings will guide the development of more energy-efficient and fire-safe buildings, made from natural materials, in the future.

New material points toward highly efficient solar cells

A new type of material for next-generation solar cells eliminates the need to use lead, which has been a major roadblock for this technology.

New spin directions in pyrite an encouraging sign for future spintronics

An Australian study revealing new spin textures in pyrite could unlock these materials' potential in future spintronics devices. The study of pyrite-type materials provides new insights and opportunities for selective spin control in topological spintronics devices.

A fast and precise look into fiber-reinforced composites

Researchers have improved a method for small angle X-ray scattering (SAXS) to such an extent that it can now be used in the development or quality control of novel fiber-reinforced composites. This means that in the future, such materials can be investigated not only with X-rays from especially powerful sources such as the Swiss Light Source SLS, but also with those from conventional X-ray tubes.

what is detailed design of structures?

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Detailed design, which takes on and develops the approved conceptual design, is a stage where the design is refined and plans are set. The result of...

Different Types of Base Isolators Used in Buildings

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Different types of base isolation techniques are developed one after the other, each prepared for specific seismic conditions and structures. Some of...

Light-based 'tractor beam' assembles materials at the nanoscale

Researchers have adapted a light-based technology employed widely in biology -- known as optical traps or optical tweezers -- to operate in a water-free liquid environment of carbon-rich organic solvents. The optical tweezers act as a light-based 'tractor beam' that can assemble nanoscale semiconductor materials precisely into larger structures. Unlike the tractor beams of science fiction, which might grab massive spaceships, these optical tweezers can trap materials that are nearly one billion times shorter than a meter.

RoboBee powered by soft muscles

Researchers have developed a resilient RoboBee powered by soft artificial muscles that can crash into walls, fall onto the floor, and collide with other RoboBees without being damaged. It is the first microrobot powered by soft actuators to achieve controlled flight.

What is Base Isolation System in Building Construction?

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A base isolation system is a popular system implemented in a structure to protect it from the action of seismic forces. This system as base isolation...

10 Types of Stones Used for Building Constructions

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Many types of stones are available such as basalt, marble, limestone, sandstone, quartzite, travertine, slate, gneiss, laterite, and granite which...

Disordered proteins become stable, 'super-sticky' materials

Biomedical engineers have demonstrated that they can create stable materials from engineered disordered proteins by altering the environmental triggers that cause them to undergo phase transitions. This discovery shines a light on previously unexplored behaviors of disordered proteins and allows researchers to create novel materials for applications in drug delivery, tissue engineering, regenerative medicine and biotechnology.

What is Bridge Pier? Types of Bridge Piers

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A bridge pier is a type of structure that extend to the ground below or into the water. It is used to support bridge superstructure and transfer the...