A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Concrete composite admixture for precast concrete wind power tower drum member
The invention discloses a concrete composite admixture for precast concrete wind power tower components. The concrete composite admixture comprises the following components in parts by mass: 40-60 parts of anhydrous calcium sulphoaluminate, 5-15 parts of nano calcium carbonate, 15-30 parts of silica fume, 10-20 parts of microbeads, 0.2-0.8 part of a rheological agent, 3-5 parts of a super plasticizer and 1-5 parts of sodium nitrite. The concrete composite admixture disclosed by the invention is used for precast concrete wind power tower components, and the concrete has the advantages of good workability, no bleeding and segregation, self-flowing compaction, no need of vibration molding, ultra-long operable time, early strength, high strength, beautiful appearance, small use amount of glue materials, small creep, micro expansion, excellent crack resistance and good durability.
本发明公开了一种用于预制混凝土风电塔筒构件的混凝土复合外加剂，包括以下质量组分：无水硫铝酸钙40～60份，纳米碳酸钙5～15份，硅灰15～30份，微珠10～20份，流变剂0.2～0.8份，超塑化剂3～5份，亚硝酸钠1～5份。本发明的混凝土复合外加剂用于预制混凝土风电塔筒构件，混凝土和易性好，无泌水离析，能自流密实，无需振动成型，超长可操作时间，早强和高强，表观美观，胶材用量少，徐变小，微膨胀，抗裂性能优异，耐久性好。
Concrete composite admixture for precast concrete wind power tower drum member
The invention discloses a concrete composite admixture for precast concrete wind power tower components. The concrete composite admixture comprises the following components in parts by mass: 40-60 parts of anhydrous calcium sulphoaluminate, 5-15 parts of nano calcium carbonate, 15-30 parts of silica fume, 10-20 parts of microbeads, 0.2-0.8 part of a rheological agent, 3-5 parts of a super plasticizer and 1-5 parts of sodium nitrite. The concrete composite admixture disclosed by the invention is used for precast concrete wind power tower components, and the concrete has the advantages of good workability, no bleeding and segregation, self-flowing compaction, no need of vibration molding, ultra-long operable time, early strength, high strength, beautiful appearance, small use amount of glue materials, small creep, micro expansion, excellent crack resistance and good durability.
本发明公开了一种用于预制混凝土风电塔筒构件的混凝土复合外加剂，包括以下质量组分：无水硫铝酸钙40～60份，纳米碳酸钙5～15份，硅灰15～30份，微珠10～20份，流变剂0.2～0.8份，超塑化剂3～5份，亚硝酸钠1～5份。本发明的混凝土复合外加剂用于预制混凝土风电塔筒构件，混凝土和易性好，无泌水离析，能自流密实，无需振动成型，超长可操作时间，早强和高强，表观美观，胶材用量少，徐变小，微膨胀，抗裂性能优异，耐久性好。
Concrete composite admixture for precast concrete wind power tower drum member
一种用于预制混凝土风电塔筒构件的混凝土复合外加剂
YIN MING (author) / SHAN REN (author) / LUO LEI (author) / HU TIEGANG (author) / PENG BO (author)
2024-04-16
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
Split-type precast concrete fan tower drum and construction method
| European Patent Office | 2021
PRECAST CONCRETE MEMBER CONNECTING METHOD AND PRECAST CONCRETE MEMBER
| European Patent Office | 2015
| European Patent Office | 2022
METHOD FOR PRODUCING PRECAST CONCRETE MEMBER, AND PRECAST CONCRETE MEMBER
| European Patent Office | 2021