Uploaded by Engr Mohammad Abdullah

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BS EN 447:2007
Grout for pre-stressing tendons Basic requirements
This Standard covers the materials that may be used in the manufacture of cement grouts and the
required properties and composition of the grout. It is applicable to grouting of tendons in all
types of structures including bridges and buildings.
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
Material may be batched and mixed on site or in factory to fabricate Grout.

Cement Water Admixtures Additions (silica fume) will be used in grout as material. All
material will be batched, by mass expect water.

Some test will be done on grout material, sieve test, fluidity, bleeding, volume change,
strength, setting time, fluid density.

For production control properties of material will be checked.

Initial type testing will be performed on grout.
BS EN 445: 1996
Grout for pre-stressing tendons Basic requirements
This Standard describes the methods of test for grout specified in EN 447.

One who is conducting test should have good experience.

For checking fluidity, perform immersion test, Cone method.

Perform bleeding test, used to measure the water remaining on surface of grout.

Perform volume change test for changing volume due to segregation and expansion.
Cylinder and con method are used for this.

Perform compression strength test, prisms and cylinders are used for checking
compression strength of grout.
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