A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Anti-cracking admixture prepared from pyrophyllite and dolomite and used for concrete/mortar
The invention belongs to the technical field of waste recovery in the superhard material industry, and particularly relates to an anti-cracking admixture prepared from pyrophyllite and dolomite and used for concrete/mortar. In percentage by mass, the content of pyrophyllite in the admixture is 60-80 wt%, and the content of dolomite in the admixture is 20-40 wt%. According to the invention, pyrophyllite and dolomite which are used for synthesizing a superhard material are mixed and compounded, and the mixture is used as a concrete/mortar admixture. Preliminary experiment results show that the admixture provided by the invention can delay the occurrence time of a concrete/mortar hydration heat peak value by 8 hours or more, reduce the hydration heat peak value by 10% or more and improve the anti-permeability strength by more than 0.2 MPa. and shown s a relatively good application effect. The admixture provided by the invention is stable in performance, and has a relatively good technical value for solving the problem of disposition of pyrophyllite and dolomite wastes of superhard material enterprises.
本发明属于超硬材料行业废物回收技术领域，具体涉及一种利用叶腊石和白云石所制备混凝土/砂浆用抗裂掺和剂。以质量百分比计，该掺合剂中，叶腊石的含量为60~80wt%，白云石的含量为20~40wt%。本申请将合成超硬材料使用后的叶腊石和白云石进行了混合复配，将其作为混凝土/砂浆掺合剂加以应用。初步实验结果表明，本申请所提供的掺和剂，能够将混凝土/砂浆水化热峰值出现时间推迟8h以上，水化热峰值降低10%以上，抗渗强度提高0.2MPa以上。表现出较好的应用效果。本申请所提供的掺和剂性能稳定，对于解决超硬材料企业的叶腊石和白云石废料的去向问题具有较好的技术价值。
Anti-cracking admixture prepared from pyrophyllite and dolomite and used for concrete/mortar
The invention belongs to the technical field of waste recovery in the superhard material industry, and particularly relates to an anti-cracking admixture prepared from pyrophyllite and dolomite and used for concrete/mortar. In percentage by mass, the content of pyrophyllite in the admixture is 60-80 wt%, and the content of dolomite in the admixture is 20-40 wt%. According to the invention, pyrophyllite and dolomite which are used for synthesizing a superhard material are mixed and compounded, and the mixture is used as a concrete/mortar admixture. Preliminary experiment results show that the admixture provided by the invention can delay the occurrence time of a concrete/mortar hydration heat peak value by 8 hours or more, reduce the hydration heat peak value by 10% or more and improve the anti-permeability strength by more than 0.2 MPa. and shown s a relatively good application effect. The admixture provided by the invention is stable in performance, and has a relatively good technical value for solving the problem of disposition of pyrophyllite and dolomite wastes of superhard material enterprises.
本发明属于超硬材料行业废物回收技术领域，具体涉及一种利用叶腊石和白云石所制备混凝土/砂浆用抗裂掺和剂。以质量百分比计，该掺合剂中，叶腊石的含量为60~80wt%，白云石的含量为20~40wt%。本申请将合成超硬材料使用后的叶腊石和白云石进行了混合复配，将其作为混凝土/砂浆掺合剂加以应用。初步实验结果表明，本申请所提供的掺和剂，能够将混凝土/砂浆水化热峰值出现时间推迟8h以上，水化热峰值降低10%以上，抗渗强度提高0.2MPa以上。表现出较好的应用效果。本申请所提供的掺和剂性能稳定，对于解决超硬材料企业的叶腊石和白云石废料的去向问题具有较好的技术价值。
Anti-cracking admixture prepared from pyrophyllite and dolomite and used for concrete/mortar
利用叶腊石和白云石所制备混凝土/砂浆用抗裂掺和剂
HE WENJIANG (author) / WANG CHENYANG (author) / YANG CHANGJU (author) / DU HUANLONG (author) / HAN CHANGYU (author) / CAO KEKE (author)
2021-12-21
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
Concrete mortar anti-cracking admixture and preparation method thereof
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