Application of the ready-mix concrete for the Famous International Airports’ Projects
KZJ Polycarboxylate Superplasticizers
Made from PCE Products of KZJpoint 804T and KZJpoint 810T
KZJ products are suitable for all types of ready-mixed and precast concrete, from very basic to ultra-high strength, use in the construction of high-rise buildings, bridges, tunnels, high-speed railways, roads, airports, ports, dams, hydraulic & municipal engineerings. Our various concrete admixtures are able to improve strength,setting time, slump retention, appearance and enhance its durability as well. These properties make the concrete placing, pumping and finishing more easily.
Zhengzhou Xinzheng International Airports in Henan Province, China
Concrete Requirements:
C30 pumping concrete expansion is ≥ 500mm after 1hour and with 20mm slump loss in 2hrs. The workability of concrete meets the requirements of high-level pumping and no bleeding.
Concrete Material Problems:
The raw materials selected in the project fluctuate greatly, production is sensitive, and slump control is difficult. the pumping loss is too large. Cement is sensitive in concrete production for the dosage of admixtures
We adjusted the admixture formula to make concrete with good cohesiveness, improved wrapping, plump paste and good softness. In the follow-up production process after delivery, it was founded that the concrete was relatively soft, and the performance of it was relatively better and relatively stable.
Chengdu Tianfu International Airport
Positioned as a national-level international aviation hub and the signature aiport in the Silk Road Economic Belt, it will be responsible for all international routes departing from Chengdu, and will be built into a "world-class, domestic-leading" humanistic, intelligent and green airport.
Concrete Requirements: Good fluidity, no bleeding, no grasping.The flow after 3hrs shall have more than 500mm.
KZJpoint RR8311 is the concrete solution, which is designed to make the concrete to achieve good flowability within the fixed W/C ratio. When the local aggregate has the slight fluctuation, it can balanced the slump retention composition with water redcuction composition in the formula.
Located in Chengdu Hi-tech East District.Lucheng Town(Jianyang City)
