GB/T 39711-2020Sulphoaluminate cement mending binder for marine engineering (English PDF)

GB/T 39711-2020 is the English-translated version of 海洋工程用硫铝酸盐水泥修补胶结料.

GB/T 39711-2020 covers the sulphoaluminate cement repair binder used in marine engineering works.

Clause 1 states that the standard specifies the material requirements, strength grades, technical requirements, test methods, inspection rules, packaging, marking and storage of this binder, and that it applies to sulphoaluminate cement repair binders used in marine engineering.

Clause 3 defines the product, designated MEB·SAC, as a binder prepared from sulphoaluminate cement as the base material, called material A, with a functional admixture added, called material B, and states that it has an adjustable setting time and develops strength early.

The page shows clause 2 carrying the normative references and clause 3 the terms and definitions.

The documents it cites include: GB/T 20472 for the sulphoaluminate cement itself, GB/T 5483-2008 for natural gypsum, GB/T 11075 for lithium carbonate, GB/T 538 for industrial boric acid, HG/T 2225 for industrial aluminium sulfate, JG/T 223 for polycarboxylate high-performance water reducers and GB/T 35164 for limestone powder used in cement, mortar and concrete.

For the tests it cites GB/T 176 for the chemical analysis of cement, GB/T 1346 for standard consistency water demand, setting time and soundness, GB/T 8074 for specific surface area by the Blaine method, GB/T 2419 for the fluidity of cement mortar, GB/T 17671 for mortar strength by the ISO method, GB/T 38140 for resistance to seawater corrosion, JC/T 313 for expansion rate, JC/T 1086 for the chloride ion diffusion coefficient and JC/T 2381 for repair mortar, with GB/T 12573 for sampling and GB/T 9774 for cement bags.

The standard was proposed by the China Building Materials Federation and falls under the National Cement Standardization Technical Committee (SAC/TC184); the drafting bodies include the China Building Materials Research Institute, a university, railway, water resources and hydropower engineering bureaus, port and harbour engineering companies, a metro design institute and a long list of construction quality inspection centres. It was issued on 14 December 2020 and has applied since 1 November 2021.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

GB/T 12957-2026|GB/T 1345-2026|GB/T 20472-2026|GB/T 25182-2026|GB/T 47189-2026|GB/T 47190-2026

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