混凝土与水泥制品
混凝土與水泥製品
혼응토여수니제품
CHINA CONCRETE AND CEMENT PRODUCTS
2014年
8期
26-28
,共3页
高贝利特水泥%混凝土%自生体积变形%尺寸效应
高貝利特水泥%混凝土%自生體積變形%呎吋效應
고패리특수니%혼응토%자생체적변형%척촌효응
High Belite cement%Concrete%Autogenous volume deformation%Size effect
在地表面下开挖不同尺寸的圆柱形坑槽，用φ200mm的PVC做密封桶，分别对高贝利特水泥混凝土和普通硅酸盐水泥混凝土成型不同尺寸试件，进行自生体积变形试验。结果表明，混凝土自生体积变形存在明显的尺寸效应。试件尺寸大，混凝土自生体积变形减少。与普通硅酸盐水泥混凝土比较，高贝利特水泥混凝土自生体积变形减小的幅度较小。
在地錶麵下開挖不同呎吋的圓柱形坑槽，用φ200mm的PVC做密封桶，分彆對高貝利特水泥混凝土和普通硅痠鹽水泥混凝土成型不同呎吋試件，進行自生體積變形試驗。結果錶明，混凝土自生體積變形存在明顯的呎吋效應。試件呎吋大，混凝土自生體積變形減少。與普通硅痠鹽水泥混凝土比較，高貝利特水泥混凝土自生體積變形減小的幅度較小。
재지표면하개알불동척촌적원주형갱조，용φ200mm적PVC주밀봉통，분별대고패리특수니혼응토화보통규산염수니혼응토성형불동척촌시건，진행자생체적변형시험。결과표명，혼응토자생체적변형존재명현적척촌효응。시건척촌대，혼응토자생체적변형감소。여보통규산염수니혼응토비교，고패리특수니혼응토자생체적변형감소적폭도교소。
High Belite cement concrete and general Portland cement concrete molded in excavated cylindrical pits with different size under the ground and in sealed PVC buckets with φ200mm are tested on autogenous volume deforma-tion. The results show that size effect of autogenous volume deformation of concrete is obvious, and the autogenous volume deformation of concrete reduces with specimen size increasing. Compared with general Portland cement, the reduction of autogenous volume deformation of high Belite cement concrete is lower. At last, size effect of autogenous volume deforma-tion of high Belite cement concrete is analyzed.
