Well traditionally & conventionally sulphur has been used as a capping
material for test cylinder top. Research on the subject shows you can use a
host of alternative material besides sulphur. They are:
- plaster of Paris
- piece of smooth ply, etc.
The purpose is to ensure a uniform, smooth & plain bearing surface for the
platten to sit & ensure uniform bearing stresses. For more information on
the subject, please refer to the following reference:
PROPERTIES OF CONCRETE
BY: ADAM NEVILLE
ELBS, LONDON, U.K.
Hope it serves your purpose.
SYED FAIZ AHMAD
SENIOR STRUCTURAL ENGINEER
SAUDI OGER LTD
RIYADH, SAUDI ARABIA
From: José Sebastian Vallejo Herrera <jvallejo(--nospam--at)terra.com.pe>
Subject: compression test
Date: Mon, 4 Jun 2001 12:10:32 -0500
Is very hard to obtain graphite to mix with brimstone for the end of the
concrete cilinders used in the compression test. Some use pure brimstone. I
want to know what is the graphite importance in this test; Can I to use
some other material?
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