Quality control and quality assurance in concrete repair works are essential to regain lost strength in concrete due to cracks or other damages. Concrete repairs are required when structural members get damaged. The reason for damages can be over-stressing, poor ...
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Shrinkage Reducing Concrete Admixture: Mechanism, and Applications
Shrinkage-reducing concrete admixture promote expansion of the concrete at about the same volume that normal drying shrinkage is contracting it. The net change in length of the hardened concrete is small enough to prevent shrinkage cracks. Shrinkage reducing concrete mixture ...
Reinforcement Repair: Methods, and Procedures
Repair of corroded or deteriorated steel reinforcement and prestressing stands is one of the techniques by which deteriorated structural elements are rehabilitated to regain its original load carrying capacity. Corrosion of reinforcements is frequent due to chemical attacks, fire, and ...
Surface Treatments for Walls, Roofs, and Floors: Types and Purposes
Many types of surface treatment systems are available for the treatment of horizontal surface such as roofs and vertical surfaces for instance wall buildings constructed from various construction materials such brick, stone, concrete, tarmac and slate. Penetrating sealers, surface-applied corrosion ...
Water-reducing Set-retarding Admixtures: Affects, and Applications
Water-reducing and set-retarding admixtures are chemicals that slow down the initial reaction between cement and water by reducing the rate of water penetration to the cement and slowing down the growth of the hydration products. As a result, concrete stays ...
Foundation Selection Criteria for Buildings
Selection criteria for foundation for buildings depend on two factors, i.e. factors related to ground (soil) conditions and factors related to loads from the structure. The performance of foundation is based on interface between the loadings from the structure and ...
Azimuths and Bearings in Surveying-Difference & Determination
Azimuths and bearings are horizontal angles measured to represent or locate a line with respect to a meridian. Here, the important features of azimuth and bearing in surveying along with their comparison are explained briefly. What is Azimuth in Surveying? ...
20 Advantages of High Performance Concrete in Design and Construction
There are several advantages of high performance concrete (HPC) application in building construction which are not achievable using conventional concrete. The strength, durability, resistance to chemical attack, and workability of high performance concrete are high. So, high performance concrete is ...
Analysis and Design of RC Wall Footing Based on ACI 318-19
318M-19: Building Code Requirements for Concrete and Commentary The design of wall footing, which is also termed as strip footing, is based on the principles of beam action with only slight modifications. Wall footing should be designed to safely support ...
What is Salvage Value in Construction?
Salvage value is defined as an estimated or expected resale value of an asset at the end of its useful life. It is a parameter that is associated with the depreciation of the assets used in the business. Depreciation is ...