Results 11 to 20 of about 593,324 (333)

THE ANALYSIS OF PORTLAND CEMENT. [PDF]

open access: greenJournal of the American Chemical Society, 1904
n ...
Bertram Blount
openalex   +4 more sources

CORRESPONDENCE. PORTLAND CEMENT. [PDF]

open access: greenMinutes of the Proceedings of the Institution of Civil Engineers, 1880
n ...
W BELK   +14 more
openalex   +5 more sources

THE SPECIFIC GRAVITY OF PORTLAND CEMENT. [PDF]

open access: greenMinutes of the Proceedings of the Institution of Civil Engineers, 1906
n ...
David Butler
openalex   +5 more sources

Ultrafine portland cement performance

open access: yesMateriales de Construccion, 2018
By mixing several binder materials and additions with different degrees of fineness, the packing density of the final product may be improved. In this work, ultrafine cement and silica fume mixes were studied to optimize the properties of cement-based ...
C. Argiz, E. Reyes, A. Moragues
doaj   +4 more sources

Portland Cement [PDF]

open access: bronzeJournal of the Franklin Institute, 1916
n ...
J. A. A.
openalex   +4 more sources

The impact of superplasticizers on the radiation changes in Portland cement stone and concretes [PDF]

open access: yesИнженерно-строительный журнал, 2017
The authors have estimated the effect of advanced superplasticizers of types Muraplast, Reamin, Weiss SM, Polyplast SP-1 and Melflux on radiation changes in Portland cement stone and concretes of radiation protection, based on experimental data from ...
A.V. Denisov
doaj   +1 more source

Process Optimization on Preparation of Composite Portland Cement with Low-grade Pyrite Cinder

open access: yesKuangchan zonghe liyong, 2023
This is a paper in the field of mineral materials. In order to seek for a new feasible way to utilize low-grade pyrite cinder under local conditions, to solve bottleneck problems of large reserves, and to relieve soil and water pollution, a research on ...
Yonghui Li   +4 more
doaj   +1 more source

Motivational factors affecting informal women entrepreneurs in North-West Province

open access: yesThe Southern African Journal of Entrepreneurship and Small Business Management, 2017
Background: Informal women entrepreneurs in the rural villages of North-West strive to progress from poverty to prosperity. There is a growing appreciation that the conditions that support women’s ability to start and grow ventures may be different from ...
Sanchen Henning, Kabira Akoob
doaj   +1 more source

Effect of soluble phosphate, fluoride, and pH in Brazilian phosphogypsum used as setting retarder on Portland cement hydration

open access: yesCase Studies in Construction Materials, 2022
Phosphogypsum (PG) is a residue from the fertilizer industry used by Portland cement companies as a source of calcium sulfate to control the setting time during the hydration (or hardening process).
Rayara Pinto Costa   +5 more
doaj   +1 more source

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