並列タイトル等カガク ブッシツ ノ ショウリョウ テンカ ニヨル アルカリシリカ ハンノウ ノ ヨクセイ ニ カンスル ケンキュウ
A Study on Effect of Restraint of Alkali Silica Reaction by Adding a Small Amount of Chemical Materials
タイトル(掲載誌)愛知工業大学研究報告 = Bulletin of Aichi Institute of Technology
一般注記This paper describes effect of restraint of alkali silica reaction (ASR) by adding a small amount of chemical materials. In general, the measures for restraining the ASR are the total alkali content (under 3.0 kg/m3) and the use of mixed cement (blast-furnace slag cement type B or C, fly ash cement B or C). However, it is necessary to use more than a certain quantity (for example: 100 kg/m3). Therefore the development of the materials which can restrain ASR by adding a small amount is expected. In the experiments, mortars were made using ordinary portland cement, restraint materials and 4 types of reactive aggregates (2 types of chert, andesite, slate). Effects of restraint of 3 types of chemical materials were examined. They are the calcium propionate, the lithium-based compound and the aluminum-based compound. As a result, the expansions of mortars were restrained by the addition of the calcium propionate of 1.8 % in cement weight and also were restrained by the addition of the lithium carbonate of 2.5 % in cement weight.
identifier:http://repository.aitech.ac.jp/dspace/handle/11133/1465
一次資料へのリンクURLhttp://repository.aitech.ac.jp/dspace/bitstream/11133/1465/1/%e7%b4%80%e8%a6%8145%e5%8f%b7%28P133-141%29.pdf
連携機関・データベース国立情報学研究所 : 学術機関リポジトリデータベース(IRDB)(機関リポジトリ)