Fire cause concrete surface cracking and crazing, chemical decomposition, and microcracking and spalling. These impacts can significantly change the properties of structural concrete, reducing strength and durability, and altering structural behavior. Assessment and evaluation of damages caused by fire is ...
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Applications and Importance of Non-destructive Tests on Concrete
Non-destructive tests (NDT) are widely used and play an important role in engineering projects including newly constructed and existing structures. For new structures, applications are mainly quality control or the resolution of doubts about the quality of materials or construction. ...
Post-Concrete Inspection and Testing: Purpose, and Applications
Post concrete inspection of concrete structures is essential to check for any damage or defects that may require repair. Immediately after stripping the formwork, all concrete members casted are carefully inspected and any defective work or small defects either removed ...
Casting and Curing Concrete Specimens in Field Based on ASTM C31
Casting and curing of concrete cylinder and beam specimens from representative samples of fresh concrete is crucial in building constructions. This is because the results of the tests conducted on these specimens are employed for many significant purposes. For instance, ...
How to Measure Reinforcement Corrosion in Concrete Structures?
Measurement of steel reinforcement corrosion in concrete is essential to analyze the strength and durability of a structure. Not only does the steel corrosion reduce the life span of the structure but also increases the cost for inspection and maintenance ...
Profometer Test on Concrete Structures: Purpose and Applications
Profometer test is a non-destructive testing technique used to detect location and size of reinforcements and concrete cover quickly and accurately. A small, portable, and handy instrument which is known as profometer or rebar locator, is used in this test. ...
Compounds in Cement and Their Influence on Concrete Strength
Compounds in cement mainly are tricalcium silicate, dicalcium silicate, tricalcium aluminate, and tetracalcium alumino ferrite. Not only do these compounds control most of cement properties but also reacts with water to produce new materials (cement hydration) and consequently responsible for ...
Tests on Metallic Sheathing Ducts – Workability, Transverse Load, Tensile Load, and Water Loss Test
The sheathing ducts are used in Pre and Post tension of concrete members to create a void in the concrete, through which the cables/tendons are inserted and remain free to stretch during stressing operation. The sheathing ducts are available in ...