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Splitting Tensile Strength of Cylindrical Concrete specimen

splitting cylinder test on concrete specimen

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The tensile strength of concrete is one of the basic and important properties which greatly affect the extent and size of cracking in structures. Moreover, the concrete is very weak in tension due to its brittle nature. Hence. it is not expected to resist the direct tension. So, concrete develops cracks when tensile forces exceed its tensile strength. Therefore, it is necessary to determine the tensile strength of concrete to determine the load at which the concrete members may crack. Furthermore, splitting tensile strength test on concrete cylinder is a method to determine the tensile strength of concrete.The procedure based on the ASTM C496 (Standard Test Method of Cylindrical Concrete Specimen) which similar to other codes lik IS 5816 1999. Finally, different aspects split cylinder test of concrete specimen will be discussed in the following sections.

Apparatus for Splitting Tensile Test of Concrete

Testing Machine

Testing machine shall meet the following requirements:

Fig.1:Split cylinder testing machine

Plate or Supplementary Bearing Bar

Fig.2: Supplementary steel bar

Bearing Strips

Fig.3:Bearing strip, Plywood

Sampling of Concrete Cylinders

Concrete specimen moulds

Fig.4:Cylindrical mould

Tamping Rod 

Fig.5:Tamping rod

Concrete pouring and compaction 

Fig.6:concrete specimen

Curing of Specimen

Fig.7:curing concrete specimen

Procedure of Splitting Tensile Test

Fig.8:testing cylindrical concrete specimen


Calculate the splitting tensile strength of the specimen as follows: T= 2P/ pi LD Where: T = splitting tensile strength, MPa P: maximum applied load indicated by the testing machine,N D: diameter of the specimen, mm L: length of the specimen,mm

Fig.9:dimension of split cylinder specimen and imposed loads


Report the following information:


Splitting tensile strength of given concrete =...................N/mm²
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