China Construction Commercial Concrete has thoroughly implemented the new development concept and always regarded scientific and technological innovation as a solid support for the high-quality development of enterprises. Recently, 10 scientific and technological achievements of China Construction Commercial Concrete have been granted national patents, including 8 invention patents and 2 utility model patents.
1. A preparation method
of a film-free image cement product. A scientific and technological achievement of Zhongjian Commercial Concrete, a preparation method of a film-free image cement product, was authorized by the State Intellectual Property Office. This achievement is to use the specially configured functional ink to spray on the imaging film through the digital plotter, after the surface is dried and laid on the bottom of the mold, a film-free image cement product is obtained after pouring mortar, removing the mold and washing.
2. A kind of phase change anti-cracking concrete and its preparation method
. A scientific and technological achievement of Zhongjian Commercial Concrete, a kind of phase change anti-cracking concrete and its preparation method, was authorized by the State Intellectual Property Office. This achievement is to use paraffin-based phase change core, waste slurry and fiber as the main raw materials to prepare phase change anti-cracking concrete with excellent anti-cracking performance and temperature change adaptability, which can realize the resource utilization of a large number of industrial wastes.
3. A treatment method of high-sulfur copper tailings and concrete
prepared by using the obtained modified copper tailings. A scientific and technological achievement of Zhongjian Commercial Concrete, a treatment method of high-sulfur copper tailings and concrete prepared by using the obtained modified copper tailings, was granted an invention patent by the State Intellectual Property Office. This achievement is to apply the modified treatment of high-sulfur copper tailings to the preparation of concrete, which can effectively reduce the shrinkage cracks and internal pores of concrete, solve the problem of strength shrinkage in the later stage of concrete, and at the same time give consideration to good working performance and durability.
4. A kind of radiation-proof concrete and its preparation method
. A scientific and technological achievement of Zhongjian Commercial Concrete, a kind of radiation-proof concrete and its preparation method, was authorized by the State Intellectual Property Office. The radiation-proof concrete prepared by this achievement has excellent workability, mechanical properties, crack resistance, durability and shielding effect, and can efficiently utilize solid wastes such as steel slag and boron mud, which has significant economic and environmental benefits.
5. A super-hydrophobic concrete based on machine-made sand with high stone powder content and its preparation method
. A scientific and technological achievement of Zhongjian Commercial Concrete, a super-hydrophobic concrete based on machine-made sand with high stone powder content and its preparation method, was authorized by the State Intellectual Property Office. The super-hydrophobic concrete prepared by this achievement has good workability, mechanical properties, hydrophobic properties, frost resistance, impermeability and erosion resistance, which can improve the durability of concrete and has important practical application value.
6. A kind of antibacterial and corrosion-resistant concrete for deep sewage discharge and its preparation method
. A scientific and technological achievement of Zhongjian Commercial Concrete, a kind of antibacterial and corrosion-resistant concrete for deep sewage discharge and its preparation method, was authorized by the State Intellectual Property Office. The anti-bacterial and corrosion-resistant concrete prepared by the method has good anti-microbial erosion performance, can resist the harm caused by the alternation of dry and wet cycles, and has higher service life when used in urban underground deep sewage tunnels.
7. A preparation method
of concrete self-repairing microcapsules. A scientific and technological achievement of Zhongjian Commercial Concrete, a preparation method of concrete self-repairing microcapsules, was authorized by the State Intellectual Property Office. This achievement is to use waste building materials to prepare microcapsules, which absorb water and expand to fill cracks after breaking the wall, and release carbon dioxide to produce calcium carbonate and other substances to repair cracks, so as to improve the strength and durability of concrete.
8. A device and method
for testing the pressure water absorption ratio of lightweight aggregate. A scientific and technological achievement of Zhongjian Commercial Concrete, a device and method for testing the pressure water absorption ratio of lightweight aggregate, was granted an invention patent by the State Intellectual Property Office. This achievement is to use cylinder, piston, top cover, Jack, pressure gauge, dial gauge and pressure pump to prepare the test device of pressure water absorption ratio of lightweight aggregate, which can improve the test accuracy of pressure water absorption ratio of lightweight aggregate.
9. A test device
for early anti-cracking performance of concrete, a scientific and technological achievement of China Construction Commercial Concrete Jiangsu Division, "a test device for early anti-cracking performance of concrete", was granted a utility model patent by the State Intellectual Property Office. This achievement is simple in structure, easy to use and operate, time-saving and labor-saving, and has high disassembly and assembly efficiency, and repeated disassembly and assembly has little effect on the overall accuracy of the test device, which is conducive to maintaining the reliability of the test results.
10. A visual filling device
for water reducing agent of concrete tank truck, a scientific and technological achievement of China Construction Commercial Concrete Jiangsu Division, a visual filling device for water reducing agent of concrete tank truck, was granted a utility model patent by the State Intellectual Property Office. This achievement can not only observe the state of concrete in the tank, but also control the injection of quantitative water reducing agent into the tank when adjusting the state of concrete according to the need, thus avoiding the potential safety hazards caused by the observation and adjustment of the state of the tank car by manual climbing.
China Construction Commercial Concrete will continue to promote new development momentum through scientific and technological innovation, vigorously enhance the ability of independent innovation, and provide strong support for the high-quality development of enterprises.
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