IMPROVING MATERIAL FOR SIMULTANEOUS SUPPRESSION OF TOXIC ALKALI-GAS OR THE LIKE OF CEMENT AND PREVENTION OF CRACKING OR THE LIKE AND METHOD FOR IMPROVEMENT

摘要

PURPOSE: To provide a more healthy and high-quality concrete building excellent in dwelling ability with saved resources and labor by simultaneously preventing cracking, toxic alkalis, etc., causing a problem in concrete at present and improving strength, waterproofness, etc. ;CONSTITUTION: A gelatinous substance prepared by mixing a highly water absorbing resin with water is used and silica fluoride, as necessary, is mixed. The resultant mixture is then applied to the surface of the existing concrete or a platy material carrying the highly water asorbing resin on a ground material is used as a frame mold. The highly water absorbing resin is sprinkled over the top surface of a placed ready mixed concrete so as to produce the gelatinous substance having 5-20mm thickness or a volcanic aggregate is used as an aggregate of the ready mixed concrete, etc., to be employed. Thereby, the concrete is improved.;COPYRIGHT: (C)1993,JPO&Japio