A plate girder is a built up I-beam section, used to carry heavy loads which cannot be carried economically by rolled I-sections. It is made by riveting or welding the steel plates in I-beam shape. Components of a typical Plate girder and their functions are discussed in this article. Components of Plate Girder The components […]
The post Plate Girder and Its Components appeared first on The Constructor.
Plane table surveying is a type of surveying in which plotting and field observations are done at the same time. In this article, errors occurred in plane table surveying due to various reasons are briefly explained. Errors in Plane Table Surveying The errors in plane table surveying are of three types as follows. Instrumental errors […]
The post Errors in Plane Table Surveying appeared first on The Constructor.
Welded wire fabric is the series of parallel longitudinal wires welded to cross wires by electric fusion method having accurate spacing. the welding work is done by machineries which ensure the precise dimensions and results in considerable savings in time, labour and money. In this article we study about the general specification, advantages, uses and […]
The post Welded Wire Fabric Concrete appeared first on The Constructor.
The Canal lining is provided to prevent the seepage losses of water. Canal lining can be constructed using different materials. There are some factors to be considered while selecting good canal lining material and those factors are discussed briefly in this article. Factors Affecting Selection of Good Canal Lining Following are the factors affecting selection […]
The post Factors Affecting Selection of Canal Lining appeared first on The Constructor.
Compaction is the process of expulsion air from the voids present in the soil. It improves the engineering properties of soil. Effect of compaction on different properties of the soil are explained in this article. It is known that the soil becomes dense by compaction. To facilitate easy compaction some amount of water is added […]
The post Effect of Compaction on Soil Properties appeared first on The Constructor.
A cooling tower is used to remove excess heat that is generated in large industrial and commercial units by cooling the area by lowering the temperature. Here the working and types of cooling towers are explained briefly. Working of Cooling Towers A large amount of heat is continuously dissipated due to the industrial processes and […]
The post What is a Cooling Tower? appeared first on The Constructor.
The laboratory experiment procedure to determine hydraulic coefficients of an orifice is explained in this article. The coefficient of contraction, the coefficient of velocity and coefficient of discharge are hydraulic coefficients of an orifice. Theory When flow takes place through an orifice from the supply tank, the water jet leaving the orifice gets contracted at […]
The post Hydraulic Coefficients of an Orifice appeared first on The Constructor.
A Flow net is a graphical representation of flow of water through a soil mass. It is a curvilinear net formed by the combination of flow lines and equipotential lines. Properties and application of flow net are explained in this article. Flow lines represent the path of flow along which the water will seep through […]
The post Flow Net – Properties and Applications appeared first on The Constructor.
The procedure of a laboratory experiment to find critical Reynolds number for a pipe flow in different discharge conditions is explained in this article. Reynolds number is the ratio of inertia force of flowing fluid and viscous force of the fluid. Inertia force of the fluid can be expressed as Inertial force, Fi = mass […]
The post Reynolds Experiment appeared first on The Constructor.
Active cracks in concrete are live cracks which expand in length, width, and depth over time. These cracks are formed due to overloading and thermal expansion e.g. cracks due to freeze-thaw. Common methods to repair active cracks are drilling and plugging, stitching, external prestressing and flexible sealing of cracks. Repairing active cracks is difficult because […]
The post How to Repair Active Cracks in Concrete? appeared first on The Constructor.
The procedure of laboratory experiment to find metacentric height of a floating body on water is briefly explained in this article. A point about which the floating body trying to oscillate is called metacenter of that body. The distance between metacenter (M) and center of gravity (G) of the floating body is known as metacentric […]
The post Metacentric Height of a Floating Body appeared first on The Constructor.
The pervasion of mobile technology is on the rise in every extant sector. Construction sector too is not aloof to it. The acceptance of the digital revolution has come with a lot of facilitators. Among those facilitators, teeming phone applications and software lie in the vanguard. The advent of applications in Phones, Tablets and Laptops […]
The post 25 Essential Apps for Civil Engineers appeared first on The Constructor.
What is Super-hydrophobic Cement? Super hydrophobic cement, which is also known as luminescent cement, is produced by modifying the structure of cement. It absorbs and reflect lights which makes it an environmentally friendly materials and an alternative to street lighting. Super hydrophobic cement could be an astonishing solution to light up roads and buildings without […]
The post What is Super-hydrophobic Cement? Applications and Advantages appeared first on The Constructor.
Rosiak and Yoshii define hydrogel as a crosslinked three-dimensional polymeric network structure, which can absorb and retain considerable amounts of water. The hydrogel has the ability to cool a room down that is why it is placed between wall panels. Therefore, hydrogel is an environmentally friendly material that reduce energy cost used to cool down […]
The post Hydrogel- How it Works, Applications, and Advantages appeared first on The Constructor.
Low carbon concrete has attracted significant attention due to the amount of CO2 that traditional concrete emits. It is demonstrated that, cement have biggest contribution in CO2 emission by 75% of total CO2 emits by concrete, and aggregate is the next great contributor by less than 20%. CO2 emitted by aggregate is mainly due to […]
The post Low Carbon Concrete and Its Advantages appeared first on The Constructor.
Concrete homes are commonly constructed from concrete, but it is possible to use other materials in combination with concrete such as steel. Concrete is widely used for the construction of homes, residential, and industrial buildings. This is because not only does it versatile and can be casted in any desired form but also cost effective […]
The post Concrete Homes- Design Ideas and Benefits appeared first on The Constructor.
Chain surveying considered to be the simplest method of surveying in which measurements are taken in the field and other works like plotting calculations are carried out in office. The measurement in chain surveying are linear; angle measurements are not considered. Moreover, it provides fairly accurate result provided that the work is conducted carefully. Chain […]
The post Chain Survey-Procedure, Applicability, Survey Stations and Their Selection, appeared first on The Constructor.
If you are a budding Civil Engineer or a construction enthusiast and you have the urge to really understand what you are getting into, and visual representations of complicated and sophisticated information serve better to your brain cells, this article is meant for you. Civil Engineering means nothing if you are not executing what you […]
The post 15 TV Shows Every Civil Engineer Should Watch appeared first on The Constructor.
Frost heave is an upward swelling of soil due to formation of ice during freezing conditions. It occurs when freezing temperature penetrates the soil. Consequently, moisture in soil converts to ice and generates an upward movement in the soil. The size of ice mass increases because of continuous supply of moisture through capillary action. Soil […]
The post Frost Heave -How It Works, Effects, and Prevention appeared first on The Constructor.
Swirl finish is one of the most exceptional type of concrete finish that is generated by concrete surface smearing in a uniform overlapping circular pattern. It provides aesthetically pleasing appearance for the concrete surface. it is said that; swirl finish looks like petals on a rose. This type of finish is favored for outdoor applications […]
The post Swirl Finish Concrete- Construction, Practical Considerations, Applications appeared first on The Constructor.
Burnished concrete is the same conventional concrete which is trowelled more than twice to make the concrete surface hard-wearing, durable finish with a surface lustre. It is majorly used in being used in residential and commercial buildings. In this article we discuss about the work procedure, types, advantages and disadvantages of burnished concrete. Types of […]
The post Burnished Concrete appeared first on The Constructor.
The procedure of Laboratory experiment to verify Bernoulli’s theorem, required apparatus and calculations to be done are explained in this article. Bernoulli’s theorem states that, for a continuous, steady and frictionless flow the total head (which is the sum of pressure head, velocity head and elevation head) at any section remains constant. Total Head = […]
The post Experimental Verification of Bernoulli’s Theorem appeared first on The Constructor.
Stratification of soil is nothing but arranging it into different layers based on similar properties. In general, natural soil deposits are formed in stratified manner. Permeability of stratified soils or layered soils is explained in this article. In stratified soils, it is assumed that each individual layer is homogeneous and isotropic. The coefficient of permeability […]
The post Permeability of Stratified Soil Deposits appeared first on The Constructor.
Compaction and consolidation both are responsible to cause a reduction in the volume of soil which is due to compressibility characteristics of the soil. The differences between these two are tabulated below. Differences between Compaction and Consolidation Following are the difference between compaction and consolidation of soils. S.no Compaction Consolidation 1 Compaction is the […]
The post Compaction vs. Consolidation appeared first on The Constructor.
Mix ratio of sand/cement screed for floor varied based on the intended use of the screed. Added to that, cement type, grade of aggregate and the method of storage of screed material are also influence mix ratio to a certain extend. Suitable type of cement shall be selected, and sand need to be free of […]
The post Mix Ratio of Sand/Cement Screed for Floor appeared first on The Constructor.
A soil is said to be permeable when it allows water through it. There are various factors such as void ratio, size, and shape of the particle, degree of saturation os soil etc. which are affecting permeability property of soils and these factors are briefly discussed in this article. Before going to know about these […]
The post Factors Affecting Permeability of Soil appeared first on The Constructor.
Commonly, concrete floors are vulnerable to moisture and suffer from different detrimental influence of moisture such as lifting tile off the floor, rotting hardwood, damping carpet, coating delamination and many more. These problems are not only disrupting functions of the building due to maintenance operations but also costly. Therefore, it is recommended to implement necessary […]
The post How to Stop Moisture in Concrete Floor? appeared first on The Constructor.
Concrete slabs on grade and basement slabs are weak to detrimental effect of moisture which lead to various problems. For instance, lifting tile off the floor, rotting hardwood, damping carpet, and coatings delamination. Added to that, beneath continuous flooring, moisture can also cause floor darkening or discoloration, efflorescence deposits, and other deterioration. It can even […]
The post Fixing Moisture Problems in Concrete slab appeared first on The Constructor.
