In today’s market, it is imperative to be knowledgeable and have an edge over the competition. ACI members have it…they are engaged, informed, and stay up to date by taking advantage of benefits that ACI membership provides them.
Read more about membership
Become an ACI Member
Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
American Concrete Institute
38800 Country Club Dr.
Farmington Hills, MI
Feedback via Email
Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Engineering Properties of Superplasticized Concretes
Author(s): K. Kishitani, H. Kasami, M. lizuka,
T. Ikeda, Y. Kazama, and K. Hattori
Publication: Special Publication
Appears on pages(s): 233-252
Keywords: admixtures; compressive strength; drying shrinkage;
field tests; lightweight aggregate concretes; models; naphthalene
compounds; plasticizers; pumped concrete; ready-mixed concrete;
reinforced concrete; slump tests; vibration; workability.
Abstract:A series of laboratory and field studies were conducted to determine the engineering properties of concretes containing a sulphonated naphthalene formaldehyde condensate superplasticizer (MIGHTY). In laboratory studies, conventional and superplasticized concretes with slumps from 12 to 21 cm were placed into moulds for full-size, single-frame models of reinforced concrete structures for measurements of form pressures and response to internal vibration as well as tests on the strengths and drying shrinkage in finished structures. Superplasticized concrete indicated greater response to vibration than and equal form pressures to conventional low-slump concrete. Higher core strengths were obtained with superplasticized concrete than with conventional concrete, while no change was observed in drying shrinkage with addition of the admixture. Further studies were conducted on ordinary and lightweight aggregate concretes in the construction of a ten-storey, reinforced concrete structure. Higher fluidity was observed in super-plasticized concrete, while the same trends as in the laboratory were observed regarding form pressure and core strengths. The test results on pumpability indicated that superplasticized lightweight aggregate concrete can be pumped at a lower pressure to a height of fifty meters without adversely affecting concrete properties.
Click here to become an online Journal subscriber