Portland Cement - Its Composition, Raw Materials, Manufacture, Testing and Analysis

730 Pages·1926·0.68 MB·English

by  Richard K. Meade

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PORTLAND CEMENT
Its Composition, Raw Materials, Manu-
facture, Testing and Analysis
BY
RICHARD K. MEADE, M.S.
Consulting Engineer and Chemist, Baltimore, Md., Director and Consulting Engineer of the National
Cement Co.. Montreal, Author of the ChemistsPocketManual,etc.
FormerlyGen.ManageroftheTidewaterPortlandCementCo,.ChemistoftheDexterPortlandCementCo-
Chemist andSuperintendent of theNorthampton PortlandCementCo.,Chemist of the Edison
Portland Cement Co., Consulting Chemist to the Giant Portland Cement Co.,
Consulting Chemist to the Allentown Portland Cement Co., Vice
President of the American Institute of Chemical Engineers,
Member Committee on Cement Manufacture,
American Society of Mechanical
Engineers, Etc., Etc.
THIRD EDITION
EASTON. PA.
THE CHEMICAL PUBLISHING COMPANY
1926
LONDON. ENGLAND: TOKYO. JAPAN:
WILLIAMS i NORGATE. MARUZEN COMPANY.LTD.
HENRIETTA STREET. COVENT GARDEN. W.C. i;-16 N1H0N8ASHITORI-SaNCHOWE
r?
Copyright, 191i, by Edward Hart.
Copyright, 1926, by Edward Hart.
PREFACE TO FIRST EDITION.
The present treatise upon Portland cement is really the second
edition of a small manual by the writer, published some four years
ago, called "The Chemical and Physical Examination of Portland
Cement." In preparing this new edition, it seemed wise to add a
section on the manufacture of Porland cement, for the reason
that the chemist who is to intelligently supervise the process of
manufacture, as well as the chemist who is to report upon the
raw materials and the engineer who is to inspect the product,
should have a good, general knowledge of the technology of
Portland cement.
It was also found necessary to rewrite almost the entire section
upon the physical testing of cement in order to give special promi-
nence to the uniform methods of testing adopted by the American
Society of Civil Engineers, and to the standard specifications of
the American Society for Testing Materials. Much new matter
has also been added to the section on the analysis of cement and
its raw m.aterials, and sections on the experimental manufacture
of small lots of cement and on the history of the industry have
been included.
The analytical methods have all been used to some extent in
the writer's laboratory and have been found satisfactory. Com-
ments as to their accuracy and advice as to the best methods of
manipulation will usually be found with each method under the
heading, "notes."
The author again wishes to thank the many friends who have
aided him in the preparation of both this and the former edition.
Nazareth, Pa., July, 1906.
\B,5^5
PREFACE TO THE SECOND EDITION
In the preparation of the present edition, the entire text of
the book has been revised. Much new matter has been added,
particularly to the section on "Manufacture," which has been
increased by 76 pages. Descriptions of the newer appliances for
the Manufacture of Portland Cement have been added so that it
is believed that this section represents fairly well the present
state of the industry in this country.
The section on "Analytical Methods" has been somewhat con-
densed, so far as space goes, by the printing of the notes in
smaller type but the actual matter has been increased. The
section on "Physical Testing" has been revised to conform to
the changes made in the standard specifications and methods of
testing, and much new matter has been included here also.
A
chapter has been added to the book on the "Investigation
of Materials for the Manufacture of Portland Cement." The
number of illustrations has been increased from 100 to 170 and
among the new ones will be found many half-tones showing ac-
tual installations of cement machinery, kilns, etc.
Baltimore, Md., October, 1911.
PREFACE TO THE THIRD EDITION
Originally this work was intended primarily for chemists and
cement inspectors and described methods of test and analysis only.
The section on the manufacture of cement has been increased
with each edition, however, until now it is much the largest part
of the book. It is hence believed that the work will prove fully
as useful to engineers and others interested solely in the mechan-
ical features of the process as to chemists and others engaged in
inspecting and testing cement.
In preparing the third edition of this book, the author has
taken the opportunity to again thoroughly revise the entire text
to make it conform to present day theory and practice. Much of
the book has been rewritten. The subject matter has been in-
creased by nearly two hundred pages, most of this new material
being added to the section on "Manufacture." Seventy new
illustrations appear in this and it is believed that it covers all of
the latest advances in the art of cement making, including the
waste heat boiler, dust precipitation, etc. An efifort has been
made to present the manufacture of cement in as practical a
manner as possible and much information is given as to the power
and fuel requirements of the process, output of machines, cost
data, etc.
A few new methods of analysis have been added to the section
on "Analytical Methods" and the section on "Physical Testing"
has, of course, been revised to agree with the present American
standard specifications and methods of test. Paragraphs have
been added at the end of each chapter of this showing the in-
fluence of manufacturing conditions, chemical composition, etc.,
upon those properties of cement covered by the tests. This has
been done with a view to presenting in brief form methods for
correcting faults in manufacture. Some information as to for-
eign specifications, methods of test, etc., has also been added to
this section.
Once more, the author wishes to express to his many friends
in the cement industry his appreciation and thanks for the assis-
tance they have given him in the revision of this book. Their
kindness in furnishing him with the results of their experience
has done much to add to its value.
Baltimore, Maryland, June, 1926.