| 摘要 |
<p>PROBLEM TO BE SOLVED: To obtain heat-resistant concrete dealt with such problems involved in conventional heat-resistant concrete that there has been the need of wide area such as e.g. a yard for high-temperature materials, and, besides, there have been unfavorablenesses in terms of cost, maintenance or process in concrete structures incapable of taking measures by setting up thermal insulating shield layers. SOLUTION: This heat-resistant concrete is obtained by setting unit amount of water at <=120kg/m<3> and water cement ratio at <=30% and by using crushed blast furnace slag or crushed limestone as coarse aggregate. Or, the fluidity of this heat/resistant concrete reduced in unit amount of water can also secured by incorporating a fluidizing agent in this concrete.</p> |
