Multiple environment time chloride corrosion concrete evaluation method
An environmental time, concrete technology, applied in the direction of strength characteristics, weather resistance/light resistance/corrosion resistance, material inspection products, etc., can solve the problem that the time cannot be similar, the indoor accelerated test results are linked, and the similar relationship between different environmental factors cannot be guaranteed. And other issues
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[0046] The similarity chlorine salt erosion concrete test method of multiple environment time of the present invention, according to the realization step of the present invention, the test adopts the method that field specimen test, third-party reference object sampling test and indoor accelerated test combine, the selection of third-party reference object It is the key to establish a similar relationship in the present invention, and it is also a feature different from other test methods.
[0047] Including the following steps:
[0048] (1) Determine the factors that affect the durability of concrete structures under chloride-salt environmental conditions: surface chloride ion concentration C s , Chloride ion diffusion coefficient D Cl , water-binder ratio w / b of concrete material, chloride ion threshold [Cl - ], age factor n, concrete cover thickness c;
[0049] (2) Select a third-party reference object that has served for many years with similar environmental conditions ...
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