Causes, Evaluation and Repair of Cracks in Concrete

Causes, Evaluation and Repair of Cracks in Concrete Cracks in concrete have many causes. They may affect appearance only, or they may indicate significant structural distress or a lack of durability. Cracks may represent the total extent of the damage or they may point to the problems of greater magnitude. Their significance depends on the … Read more

Concrete Properties and Mix Design | Mix Proportioning

Mix Design

Performance-Based Concrete Pavement Mix Design System Mix Design? It is the process of determining required and specifiable characteristics of a concrete mixture. Prescriptive approach (limits on materials). Performance approach (desirable characteristics). Mix design requirements are based on intended use, environment, etc.Mix design is the process of determining the quantities of concrete ingredients that meet the … Read more

Concrete Mix Design (Journal Paper)

Concrete Mix Design

Concrete Mix Design There are many methods of concrete mix design. But the British or American methods will not be applicable for our country, as the specific relationships constituting figures and tables are based on their materials. The IS 10262 recommends procedure for designing concrete mixes for general types of construction using the concreting materials … Read more

Unbonded Post-Tensioning System Technology in Building Construction

Unbonded monostrand tendon

Unbonded Post-Tensioning System Technology in Building Construction Introduction During the last three decades, unbonded post-tensioning has progressively become the predominant construction choice for commercial concrete buildings in the United States. The utilization of unbonded tendons is now standard practice for concrete structures. Because of their excellent performance record and their economical and versatile application, the … Read more

What is Civil Engineering?

Civil Engineering Syllabus

What is Civil Engineering? What is Civil Engineering Technology? Civil Engineering is said to be the biggest and most versatile branch among all the engineering branches. one of the oldest engineering discipline apart from military engineering and has been outlined historically as “a talent, the wealth and also the well-being of the total of society … Read more

HOW To Improve Irrigation Efficiency

improve irrigation efficiency

HOW To Improve Irrigation Efficiency Why is it important to improve on-farm irrigation efficiency? Around 20% water delivered is lost in distribution channels, 60% of water used for irrigation is applied using high volume, gravity irrigation methods, that is around 10-15% of water applied to crop is lost through over watering.Return from crops can be … Read more

Sprinkler Irrigation | Sprinkler Irrigation PPT | Types | Suitable Soils

Sprinkler Irrigation Introduction Sprinkler Irrigation is a method of applying irrigation water which is similar to rainfall. Pressurized irrigation through devices called sprinklers. Sprinklers are usually located on pipes called laterals. Suitable slopes Sprinkler irrigation is adaptable to any farmable slope, whether uniform or undulating. Suitable soil Sprinklers are best suited to sandy soils with … Read more

Use & Application Of Oxygen Isotopes In Ground Water Studies

Biological Oxygen Demand (BOD)

Use & Application Of Oxygen Isotopes In Ground Water Studies Introduction Naturally occurring oxygen is composed of three stable isotopes 16O, 17O, and 18O. 16O being the most abundant (99.762% natural abundance) Known oxygen isotopes range in mass number from 12 to 24. 16O is a primary isotope while 17O and 18O are secondary isotopes Stable oxygen is used in ground water studies to investigate … Read more

Environmental Impacts Of Water Resource Projects and Transpiration

env_impac_dam

Environmental Impacts Of Water Resource Projects and Transpiration – Introduction 76%of total water is used by agriculture, 6.2% by power generation, 5.7% by the industries. Impacts of W.R.P. on the environment are quite diverse. The diversity may be due to varieties of resources and associated transformation of these resources. These impacts may be political, social, … Read more