Engineers should make a proper decision when an on-site slump test fails. The decision could be an outright rejection of the complete batch of concrete or the suspension of the work due to the contractor’s failure to follow project requirements. ...
Category: Material Testing Guide
Materials testing is a technique used to determine the physical & mechanical properties of raw materials, composite materials and ceramics.
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How to Test the Temperature of Fresh Concrete as per ASTM?
The temperature of fresh concrete can be determined as per ASTM C1064 to ensure the concrete’s conformity with standard temperature specifications. The method employs a calibrated thermometer to test the concrete temperature. The temperature of the concrete affects the way ...
What to Do if Concrete Cylinder Test Fails at 28 Days?
The failure of the concrete cylinder test at 28 days occurs due to several factors like improper casing and curing of specimens and an incorrect mix of concrete used for construction. The cause of the failure should be identified by ...
How to Evaluate Liquefaction Potential of Soils in the Field?
The evaluation of the liquefaction potential of soils in seismic-prone region is essential for site selection, planning, and construction of structures. One can assess liquefaction potential through standard blasting tests, ground response analysis, laboratory tests, and expertise. The use of ...
How to Conduct Weight Sounding Test?
Weight sounding test is a form of penetration test conducted at construction sites to assess liquefaction susceptibility, soil profiling, determination of the bearing capacity of shallow and deep foundations, etc. The test consists of two stages, namely, static penetration and rotational penetration, ...
Different Test Methods For Workability of Self Compacting Concrete [PDF]
![Different Test Methods For Workability of Self Compacting Concrete [PDF]](https://i0.wp.com/theconstructor.org/wp-content/uploads/2020/05/SCC-629x420.jpg)
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 ...
What is Dynamic Cone Penetrometer(DCP)? [PDF]
![What is Dynamic Cone Penetrometer(DCP)? [PDF]](https://i0.wp.com/theconstructor.org/wp-content/uploads/2020/05/ft-pic-DCP-629x420.jpg)
Dynamic Cone Penetrometer, or DCP, is a tool used for evaluating the strength of soils on site. It also helps with monitoring the condition of granular layers and subgrade soils in pavement sections over time. It can be used to ...
Chemical Requirement of Aggregates as per European Standards [PDF]
![Chemical Requirement of Aggregates as per European Standards [PDF]](https://i0.wp.com/theconstructor.org/wp-content/uploads/2020/04/Chemical-Requirement-of-Aggregates-as-per-European-Standards-629x420.jpg)
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: Geometrical ...