Chemical analysis of concrete can provide extremely useful information regarding the causes of failure of concrete. The tests most frequently carried out chemical tests on concrete structures are: Depth of carbonation Chloride content Cement content Sulphate content Type of cement ...
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Permeability Test for Concrete Cover to Reinforcement
The durability of concrete structures depends on the permeability of reinforcement cover by concrete. It is this thin layer of concrete over reinforcement on which life of a structure depends. The permeability tester for concrete cover is a non-destructive instrument ...
Pullout Tests On Hardened Concrete
What is pullout tests on hardened concrete? The fundamental principle behind pull out testing is that the test equipment designed to a specific geometry will produce results (pull-out forces) that closely correlate to the compressive strength of concrete. This correlation ...
HIGH STRENGTH PRESTRESSED CONCRETE CUBE TEST RESULTS
High strength prestressed concrete cube tests guidelines are guidelines prescribed in the Indian standard code IS: 1343-1980 with respect to quality of materials used in prestressed concrete. The minimum 28 day compressive strength of concrete cubes of 15 cm size, ...
Testing of Sand Quality at Construction Site for Concrete
There are different methods for testing of sand quality at construction site for concrete construction. Quality of sand is as much of importance as other materials for concrete. Aggregate most of which pass through 4.75 mm IS sieve is known as ...
Core Sampling and Testing of Concrete and Factors Affecting Strength
Concrete cores are used for testing of actual properties of concrete in existing structures such as strength, permeability, chemical analysis, carbonation etc. Sampling of concrete cores and testing its strength is described. While Rebound Hammer, CAPO/Pullout, Windsor probe and ultrasonic ...
Stripping Value Test On Road Aggregates
What is Stripping Value Test? The stripping value of aggregates is determined as the ratio of the uncovered area observed visually to the total area of aggregates, expressed as a percentage. Bitumen and tar adhere well to all normal types ...
How to Check Cement Quality at Construction Site?
Quality tests on cement at construction site (also called field tests on cement) are carried to check quality of cement supplied for construction use.