Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Chong Zhi Li"'
Autor:
Chong Zhi Li, Fang Cai Zhang
Publikováno v:
Advanced Materials Research. 1119:245-250
Polycarboxylic type water reducers were synthesized at different molar ratios of acrylic acid to methyl-allyl polyethylene glycol2400 (acid/ether-ratio). Influence of the acid/ether ratio on its composition and dispersive property were studied by mea
Publikováno v:
ITM Web of Conferences, Vol 67, p 01002 (2024)
The run sum (RS) X̄ chart is known as a simple and powerful tool for monitoring the mean of a process. Most developments of the RS X̄ chart assume that the underlying process comes from a normal distribution. However, in practice, many processes te
Externí odkaz:
https://doaj.org/article/41c9b8e7ed0d4a3e9e3b2bdac799d000
Publikováno v:
Advanced Materials Research. :1955-1960
A modified agent GHPC-1 for green high-performance concrete was composed of the strength-increasing groups of organic alcohol amine, the slump-retaining groups of carboxylate polymer and the workability-stabilizing groups of amide. It could be used t
Publikováno v:
Key Engineering Materials. 477:49-55
Two kinds of the representative artifactitious aggregates, namely the calcium-base and silicon-base, were chosen in the experimental study. Through analysis of SEM, it was found that the former’s main chemical component is calcium carbonate with a
Publikováno v:
Key Engineering Materials. :174-179
A slow-release type carboxylic polymer(SLPC) is synthesized with the monomer mixture at a certain Molecule ratio of methacrylic acid, methoxy polyethylene glycol methacrylate and polyethylene glycol di-methacrylate. Test results of the fluidity, Zeta
Autor:
Chong Zhi Li, Quan Lin Niu
Publikováno v:
Key Engineering Materials. :283-288
Charge passed of mortars with different aggregate volume fractions was tested according to ASTM C1202, and the differential expression of the Ohm law was introduced to explain the relationship between charge passed data and aggregate fractions.Cl- pe
Publikováno v:
Key Engineering Materials. :14-18
Mineral powders play positive role in improving the durability of concrete subjected to alkaline and saline corrosion, where sulphate ion and chloride ion coexisted may cause serious deterioration to the reinforced concrete structures. Metakaolin, sl
Publikováno v:
Key Engineering Materials. :204-210
Sulphate ion and chloride ion existed in the alkaline saline soils may cause serious problems on the durability of reinforced concrete structures, while it is found that superfine mineral powder plays positive role in the precaution of the alkaline s
Publikováno v:
Key Engineering Materials. :218-222
A series of polycarboxylate-type water-reducers (MPCs) had been developed and tested. Through molecular design, macromers of polyethylene glycol unsaturated carboxylic esters, and other derivative of unsaturated vinyl monomer containing the carboxyli
Publikováno v:
Carbon. 95:1083-1084
The effect of adding graphene oxide (GO) to cement on its microstructure and mechanical strength was investigated. A paste of cement (16.5 wt% of water?and GO (0.05 wt%) was prepared together with an identical mixture to which sand (3x the weight of