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Development of superhigh-strength mortars with compressive strength of 3000kgf/cm sup 2 or higher. 3000kgf/cm sup 2 ijo no asshuku kyodo wo motsu mortar no kaihatsu

Journal Article:

Abstract

This paper discusses the preparation factors and curing conditions of superhigh-strength mortar, and explains a method of manufacturing superhigh-strength mortar having still higher strength and its superhigh strength generating mechanism. A recommended cement material for the superhigh-strength mortar is a Portland cement mixed with a high-purity silica at 20% and silica fume at 20%. This was made to a water-cement material ratio of 15% and fine aggregate cement material ratio of 1.06, cured in an autoclave, and further heat-cured at 200{degree}C for one day to obtain a superhigh-strength mortar. The compression and bending strengths reach 2,200 kgf/cm{sup 2} and 180 kgf/cm{sup 2} respectively when used with silica sand, and 3000 kgf/cm{sup 2} and 220 kgf/cm{sup 2} or more when used with stainless steel grits. The heat curing at 200{degree}C for a day increases remarkably the compression strength of the superhigh-strength mortar regardless of the curing conditions before the heat curing. 7 refs., 11 figs., 1 tab.
Authors:
Ohama, Y; Izumura, K; [1]  Hayashi, S [2] 
  1. Nihon University, Tokyo (Japan). Collete of Engineering
  2. Onoda Cement Co. Ltd., Yamaguchi (Japan)
Publication Date:
Aug 01, 1991
Product Type:
Journal Article
Reference Number:
NEDO-91-913152; EDB-92-034074
Resource Relation:
Journal Name: Semento Konkurito (Cement and Concrete); (Japan); Journal Volume: 534
Subject:
36 MATERIALS SCIENCE; AGING; AUTOCLAVES; MORTARS; COMPRESSION STRENGTH; FILLERS; MIXING RATIO; PORTLAND CEMENT; SILICA; DISPERSIONS; IMPURITIES; BUILDING MATERIALS; CEMENTS; CHALCOGENIDES; MATERIALS; MECHANICAL PROPERTIES; MINERALS; OXIDE MINERALS; OXIDES; OXYGEN COMPOUNDS; SILICON COMPOUNDS; SILICON OXIDES; 360601* - Other Materials- Preparation & Manufacture
OSTI ID:
5832288
Country of Origin:
Japan
Language:
Japanese
Other Identifying Numbers:
Journal ID: ISSN 0371-0718; CODEN: SKONA
Submitting Site:
NEDO
Size:
Pages: 9-16
Announcement Date:
Mar 15, 1992

Journal Article:

Citation Formats

Ohama, Y, Izumura, K, and Hayashi, S. Development of superhigh-strength mortars with compressive strength of 3000kgf/cm sup 2 or higher. 3000kgf/cm sup 2 ijo no asshuku kyodo wo motsu mortar no kaihatsu. Japan: N. p., 1991. Web.
Ohama, Y, Izumura, K, & Hayashi, S. Development of superhigh-strength mortars with compressive strength of 3000kgf/cm sup 2 or higher. 3000kgf/cm sup 2 ijo no asshuku kyodo wo motsu mortar no kaihatsu. Japan.
Ohama, Y, Izumura, K, and Hayashi, S. 1991. "Development of superhigh-strength mortars with compressive strength of 3000kgf/cm sup 2 or higher. 3000kgf/cm sup 2 ijo no asshuku kyodo wo motsu mortar no kaihatsu." Japan.
@misc{etde_5832288,
title = {Development of superhigh-strength mortars with compressive strength of 3000kgf/cm sup 2 or higher. 3000kgf/cm sup 2 ijo no asshuku kyodo wo motsu mortar no kaihatsu}
author = {Ohama, Y, Izumura, K, and Hayashi, S}
abstractNote = {This paper discusses the preparation factors and curing conditions of superhigh-strength mortar, and explains a method of manufacturing superhigh-strength mortar having still higher strength and its superhigh strength generating mechanism. A recommended cement material for the superhigh-strength mortar is a Portland cement mixed with a high-purity silica at 20% and silica fume at 20%. This was made to a water-cement material ratio of 15% and fine aggregate cement material ratio of 1.06, cured in an autoclave, and further heat-cured at 200{degree}C for one day to obtain a superhigh-strength mortar. The compression and bending strengths reach 2,200 kgf/cm{sup 2} and 180 kgf/cm{sup 2} respectively when used with silica sand, and 3000 kgf/cm{sup 2} and 220 kgf/cm{sup 2} or more when used with stainless steel grits. The heat curing at 200{degree}C for a day increases remarkably the compression strength of the superhigh-strength mortar regardless of the curing conditions before the heat curing. 7 refs., 11 figs., 1 tab.}
journal = {Semento Konkurito (Cement and Concrete); (Japan)}
volume = {534}
journal type = {AC}
place = {Japan}
year = {1991}
month = {Aug}
}