Category: engineer

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Nanotechnology for sustainable concrete

This technology and its uses in construction materials and products make it so progressive in the construction industry. Products developed from this method gain extraordinary functionalities.  Now a days main focus and gain benefits from this technology is that how can we get sustainable building materials using nanotechnology.

Product which is made from this nanotechnology gain unique characteristic. It is used in materials like cement, concrete, glass, paint etc.

In ready mix concrete micro-silica or nano silica is highly suggested to use as it will increases mechanical properties, durability and elasticity of concrete. When we are using micro silica in concrete it will reduce cement requirement thus reduces amount of energy consumption and CO2 emission.

It is used in construction materials, for repair works and for fire protections.

Use of Nanomaterials with Construction Materials

Use of nanomaterials in cement and concrete is one of the popular solutions from nanotechnology.  It will help in increase strength and durability of concrete. In addition to that it will help to improve hardness of concrete and ductility of concrete.

Silica, Nano clays, Nano Iron(Fe2O3), Nano Alumina Al2O3, CuO, Zinc Oxides, Titanium Oxides etc. are the nanomaterials used with cement and concrete.

The silicon dioxide nanoparticles help to increase the compactness and assembly of the concrete.

Copper nano particle used with steel helps to smoothen the steel surface. This smooth surface avoids the chnaces of cracking and prevents fatigue cracking.

Next innovation is the use of nanomaterials with glass. The combination permits the windows to gain property to regulate the amount of light passing through it and the building walls. It is hence a means of energy conservation as it reduces heat loss.

Use of Nanotechnology for Repair

The property of nanostructures to self-heal harmed surfaces of the structures leads huge advantage in construction industry. The use of nanosensors in structures helps to foresee the existing failures in the structures. A concrete mix that has cracks are slowly recovered by a healing agent released by the rupture of microcapsules.

Use of Nanotechnology for fire protection

Nanotechnology can be used as starch-based coatings, nanofiber mats, hydrogels, and Polyetherimide nanocomposites foams to increase fire resistance.

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Light Emitting Cement for Smart Construction

Can you ever imagine that your walls will illuminate the room without using any electric power? Have you ever thought that it’s easy to drive and walk on the roads in the middle of the night without any street lights? Well, it’s time to believe that construction technology has emerged in a way that you have never imagined. Innovation of light emitting cement is a new innovative and energy-efficient construction material which can produce light without any energy sources, save money and environment.

The cement can act as a light source for dark walkways without creating light pollution which disturbs wildlife and humans alike. Equally it is charged by natural light from the sun, just like solar powered lights you’d get in a garden.

How it is different form conventional cement?

The raw materials used for this material are silica, river sand, industrial waste, alkali and water. This process can be done at room temperature which includes the polycondensation of raw materials that doesn’t require much energy consumption. The chemical reaction between cement dust and water produces a strong and resistant mixture that looks like a gel along with some unwanted crystal flakes.

Cement is a binding material with excellent cohesive properties and possesses an opaque body which does not allow the passage of light penetrate inside the material.

Adding certain additives during manufacturing, scientists modified the optical properties of the material to make it phosphorescent. However, it is manufactured like ordinary cement, but the change in the microscopic structure creates a noncrystalline structure identical to the glass that allows passage of light inside.

This helps to save on electricity costs. It can be used to light up the footpaths, swimming pools, interior rooms, and roadways, etc.

Additives in this cement which make it phosphorescent material is absorb energy from the sun, in indoors from lights or lamps, and later they emit light in dark hours. As the material energises every  

It acts as a light source in the places where scarcity of power is there like roadways in the forest or in some remote areas where there is no availability of power. You can use this material in buildings, especially in bathrooms and garden paths.

It is currently available in two colours- blue and green, and the intensity of light can be adjusted during the making process.

Even it’s an eco-friendly also as the gel is made out of sand, dust, clay and water. The material has an estimated life span of 100 years because of the inorganic nature of the cement components. This new material is sun-resistant and more durable compared with other phosphorescent materials like plastics or paints, which decay with UV rays in the long run.

These types of innovations are turning up the trends in construction industry and technologies are evolving to the next level.

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Software every Civil Engineer should know

In this digital era, Each and every one has to adept digital media so as construction industry also. How hard construction industry tries to hold on to the traditional methods for execution doesn’t matter, the increasing complexities and intricacies of construction sites are going to bend it down eventually unless the industry makes itself adept with all the necessary digital software.This pandemic has given the opportunity to learn the software and this updation in your resume will help you in your career.
Here is a list of important software, a civil engineer must know.


Microsoft Excel
As we all are well educated, we know how to use it but it is bigger than you imagine. Spreadsheet programs are used to perform routine calculations in engineering especially for repetitive calculations that do not need sophisticated programming. Sophisticated programming can be performed inside Excel by using Visual Basic for Applications.


Microsoft Project
Microsoft Project is used in various aspects like, CPM building, planning activities, setting baselines, assigning resources to various tasks, resource levelling, assigning costs to various activities and monitoring. In short it can be used from the inception of the project to the completion of the project.


Primavera
Primavera P6 Professional Projects Management is a powerful yet easy-to-use solution for planning, managing, and executing projects and programs. You can even add information about your company, employees, and functions assigned to them, etc.


AutoCAD
AutoCAD is the go-to tool for creating and testing 3D models and designs and is used by civil engineers, architects, and graphic artists. With AutoCAD, you get access to seamless workflows, specialized industry toolsets, and new automation to help you achieve the ultimate productivity in 2D and 3D design.


ArcGIS
Civil engineers work with a voluminous amount of data from a variety of sources. Geographic information system (GIS) technology provides the tools for creating, managing, analyzing, and visualizing the data associated with developing and managing infrastructure.


STAAD Pro
STAAD Pro is one of the most widely used structural analysis and design software products worldwide. STAAD Pro is a comprehensive and integrated finite element analysis and design offering, including a state-of-the-art user interface, visualization tools, and international design codes.


Revit
Revit not only captures the reality but it’s also the ultimate tool to convey the project ideas and scopes to the clients. This all-important software has got some fascinating features such as walkthrough, rendering, etc. where you can represent the reality of the buildings, interior, and structure virtually. 


Navisworks
Navisworks is not a 3D modeling program but a program that converts large REVIT 3D model files into smaller 3D models that are far more manageable for a multitude of team members. Navisworks is a powerful desktop application that can filter and separate specific model information.

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