Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Radiation-proof self-compacting concrete and preparation method thereof
The invention discloses radiation-proof self-compacting concrete and a preparation method thereof. The radiation-proof self-compacting concrete comprises the following components: radiation-proof cement, an admixture, iron tailing sand, barite gravel, a superplasticizer, a rheological agent, a stabilizer and water; the radiation-proof cement is one of barium cement and strontium cement; the admixture is a mixture of boron-containing ore and lithium-containing ore. The self-compacting concrete comprises 440-480 kg/m<3> of the radiation-proof cement, 220-260 kg/m<3> of the admixture, 1020-1060 kg/m<3> of the iron tailing sand, 2250-2290 kg/m<3> of the barite gravel, 10-14 kg/m<3> of the superplasticizer, 4-8 kg/m<3> of the rheological agent and 1-4 kg/m<3> of the stabilizer, and the control range of water cement ratio is 0.36-0.40. According to the invention, the radiation protection performance and mechanical strength of the concrete can be ensured while high flowability, segregation resistance and self-compaction of the concrete are realized, and the concrete is environment-friendly and low in cost.
本发明公开了一种防辐射自密实混凝土及其制备方法，组分包括防辐射水泥、掺合料、铁尾矿砂、重晶石碎石、高效减水剂、流变剂、稳定剂和水，防辐射水泥为钡水泥和锶水泥中的一种，掺合料为含硼矿石和含锂矿石的混合物，各组分的配比为防辐射水泥440～480kg/m3、掺合料220～260kg/m3、铁尾矿砂1020～1060kg/m3、重晶石碎石2250～2290kg/m3、高效减水剂10～14kg/m3、流变剂4～8kg/m3、稳定剂1～4kg/m3、水灰比控制范围0.36～0.40。本发明在实现混凝土的高流动、抗离析、自密实的同时，能够保证混凝土的辐射防护性能及力学强度，而且环境友好，成本低。
Radiation-proof self-compacting concrete and preparation method thereof
The invention discloses radiation-proof self-compacting concrete and a preparation method thereof. The radiation-proof self-compacting concrete comprises the following components: radiation-proof cement, an admixture, iron tailing sand, barite gravel, a superplasticizer, a rheological agent, a stabilizer and water; the radiation-proof cement is one of barium cement and strontium cement; the admixture is a mixture of boron-containing ore and lithium-containing ore. The self-compacting concrete comprises 440-480 kg/m<3> of the radiation-proof cement, 220-260 kg/m<3> of the admixture, 1020-1060 kg/m<3> of the iron tailing sand, 2250-2290 kg/m<3> of the barite gravel, 10-14 kg/m<3> of the superplasticizer, 4-8 kg/m<3> of the rheological agent and 1-4 kg/m<3> of the stabilizer, and the control range of water cement ratio is 0.36-0.40. According to the invention, the radiation protection performance and mechanical strength of the concrete can be ensured while high flowability, segregation resistance and self-compaction of the concrete are realized, and the concrete is environment-friendly and low in cost.
本发明公开了一种防辐射自密实混凝土及其制备方法，组分包括防辐射水泥、掺合料、铁尾矿砂、重晶石碎石、高效减水剂、流变剂、稳定剂和水，防辐射水泥为钡水泥和锶水泥中的一种，掺合料为含硼矿石和含锂矿石的混合物，各组分的配比为防辐射水泥440～480kg/m3、掺合料220～260kg/m3、铁尾矿砂1020～1060kg/m3、重晶石碎石2250～2290kg/m3、高效减水剂10～14kg/m3、流变剂4～8kg/m3、稳定剂1～4kg/m3、水灰比控制范围0.36～0.40。本发明在实现混凝土的高流动、抗离析、自密实的同时，能够保证混凝土的辐射防护性能及力学强度，而且环境友好，成本低。
Radiation-proof self-compacting concrete and preparation method thereof
防辐射自密实混凝土及其制备方法
WANG HAO (Autor:in) / YU GUSHENG (Autor:in) / FU XINGGUO (Autor:in)
16.07.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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