Tests Archives

Compressive Strength of Hydraulic Cement Mortars (ASTM C109)

November 2, 2022 TeamCivil Concrete, Tests

Compressive Strength of Hydraulic Cement Mortars (ASTM C109) This post explains how to perform the compressive strength testing of hydraulic cement mortars according to the ASTM C109. Print this guide and keep it with you

Rodded Unit Weight of Coarse Aggregates Test (ASTM C29)

July 16, 2017 TeamCivil Concrete, Tests

Rodded Unit Weight of Coarse Aggregates according to Astm C29 PURPOSE Astm C29: Determination of the unit weight of coarse aggregates in a compacted condition. This test method is applicable to aggregates not exceeding 15

Compacting Factor Test

July 8, 2017 TeamCivil Concrete, Tests

There is no generally accepted method of directly measuring the amount of work necessary to achieve full compaction, which is a definition of workability. Probably the best test yet available uses the inverse approach: the

Flow Table Test

July 7, 2017 TeamCivil Concrete, Tests

Flow Table Test This test was covered by BS 1881 : 105 : 1984. The test is appropriate for concrete of high and very high workability, including flowing concrete which would exhibit a collapse slump.

How to Prepare Cube Samples from Fresh Concrete?

June 24, 2017 TeamCivil Concrete, Tests

Most standards have laid down the acceptance criteria of quality concrete. In all the cases, the 28-days compressive strength shall alone be the criterion for acceptance or rejection of the concrete. 7 days compressive strength of

Compaction Factor Test

June 12, 2017 TeamCivil Concrete, Tests

In this article, the Compaction Factor Test is discussed which is used to calculate the compaction factor, and to know more about workability. Compaction Factor Test Objective: To calculate the compaction factor, and to know more

Rebound Test: Equipment – Operation

May 21, 2017 TeamCivil Concrete, Tests

In this article, the Rebound Test (schmidt hammer test) is outlined. The Swiss engineer Ernst Schmidt, first developed a practicable rebound test hammer in the late 1940s, amd modern versions are based on this. Figure 1 shows the

Non-Destructive Testing of Concrete (NDT)

April 26, 2017 TeamCivil Concrete, Tests

In this article “Non-Destructive Testing of Concrete” brief description is given for methods used to assess concrete strength and durability without damage. Non destructive test is a method of testing existing concrete structures to assess