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Compression testing of the concrete cylinder The substances have an affect on the strengths of the fabric. Concrete energy values are generally specified because the lower-sure compressive energy of either a cylindrical or cubic specimen as based on common check strategies.
Admixtures are resources in the shape of powder or fluids which have been added on the concrete to give it specified properties not obtainable with basic concrete mixes. Admixtures are defined as additions "produced because the concrete blend is being geared up".
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該例句來自Hansard存檔。包含以下議會許可信息開放議會許可v3.0 I prefer that to concreting about the country, with county right after county staying destroyed by street making. 來自 Hansard archive
There happen to be concerns regarding the recycling of painted concrete as a result of achievable direct information. Scientific tests have indicated that recycled concrete reveals reduced strength and durability as compared to concrete manufactured employing normal aggregates.
的釋義 瀏覽 concordance concordant concordat concourse concrete concrete jungle concrete mixer concrete noun concretely #randomImageQuizHook.filename #randomImageQuizHook.isQuiz 用我們的趣味配圖小測驗考考你的詞彙量
Good and coarse aggregates make up about 70% in the concrete volume and impart volume stability towards the concrete. Concrete aggregates are required to fulfill correct technical specs and generally speaking need to be clean up, strong and durable.
In specified cases, air-entraining, water minimizing, established-retarding or higher-array water lowering admixtures may perhaps need to be extra to concrete ahead of discharge to compensate Concrete for loss of air, large temperatures or extensive delivery instances. The All set blended concrete producer will assist the purchaser in this sort of situation.
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用混凝土覆盖 Why did you concrete in excess of that nice back garden? 你为什么把那个漂亮的花园铺上混凝土？
[one hundred twenty five] Precasting provides substantial benefits because it is performed in the controlled environment, shielded from the elements, however the draw back of This can be the contribution to greenhouse gas emission from transportation to the construction web page.[124]
We've got a general concept of what we wish, but practically nothing concrete for the time being. 我们对需要什么有个大致的想法，可是具体的东西目前还没有想好。 反义词
Pervious concrete is a mix of specially graded coarse mixture, cement, drinking water, and little-to-no high-quality aggregates. This concrete is also known as "no-fines" or porous concrete. Mixing the components within a thoroughly managed system makes a paste that coats and bonds the combination particles. The hardened concrete contains interconnected air voids totaling approximately 15 to twenty five p.c.
A tremie is often a vertical, Concrete Contractor In Sioux Falls South Dakota or in the vicinity of-vertical, pipe which has a hopper at the top used to pour concrete underwater in a way that avoids washout of cement from the mix because of turbulent drinking water contact with the concrete even though it truly is flowing.