Different exposure conditions are established based on the degree of severity of the environmental conditions of the area in which the structure is located. Various codes such as Indian Standard, American Concrete Institute, and European Standard have set similar exposure ...
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Different Test Methods For Workability of Self Compacting Concrete [PDF]
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Self-compacting concrete (SCC) is a highly flowable, non-segregating concrete that fills uniformly and completely every corner of formwork by its own weight and encapsulate reinforcement without any vibration, whilst maintaining homogeneity. A concrete mix can only be classified as self-compacting ...
Physical Requirement of Aggregates as per European Standards [PDF]
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The aggregates used in the production of concrete are inert granular materials such as gravel, crushed stone, sand, slag, recycled concrete, and geosynthetic aggregates. The aggregates may be natural, manufactured, or recycled. This article is in continuation of the article: ...
Design of Concrete Structures for Durability
Adequate concrete durability can be obtained in the design phase when a structure is conceived, and structural calculations are made, details are designed, materials and their proportions, as well as possible additional preventative measures, are selected. Prevention is further materialized ...
Concrete Durability Requirements Based on ACI-318-19
The ACI 318-19 set durability demand for concrete based on the category exposure and class exposure of the structure, dependent on the ground and weather situation of the area. Each exposure category contains different class exposure. The class exposure describes ...
Materials for Repair of Concrete Structures – Types and Selection Criteria
There are various types of materials which are used for the repair of concrete structures. For instance, unmodified Portland cement mortar or grout, latex modified Portland cement mortar or concrete, quick setting non-shrink mortar, and polymer concrete. The choice of ...
7 Types of Construction Defects in Reinforced Concrete Structures
Concrete is known to be a very versatile and reliable material, but some construction errors and construction negligence can lead to the development of defects in a concrete structure. These defects in concrete structures can be due to poor construction ...
Defects in Concrete Structures – Types Causes, Prevention
Different types of defects in concrete structures can be cracking, crazing, blistering, delamination, dusting, curling, efflorescence, scaling and spalling. These defects can be due to various reasons or causes. Causes for Defects in Concrete Structures Causes of defects in concrete ...