Pertama, bahan campuran pemeriksaan kualiti produk, penentuan an bahan campuran komposisi, prestasi dan kestabilan kualiti, untuk menentukan sama ada ia mencapai penunjuk prestasi fizikal dan kimia yang ditentukan.

Seperti rupa, kandungan bahan berkesan, keterlarutan, graviti tentu, nilai pH larutan akueus, kandungan ion klorida, kandungan sulfat, kandungan gula, berbuih, tegangan permukaan dan sama ada terdapat karat pada tetulang.

Kedua, campuran itu into the cement slurry (also known as net slurry) performance test, to check the performance of the admixture to adapt to different varieties of cement should reach the index.

Its measurement items are net slurry flow, setting time, heat of hydration exothermic changes, stability, settlement test, etc.

Third, campuran itu into the concrete to do the adaptability test, that is, the admixture into the concrete to do a comparison test with the benchmark concrete, test its fresh concrete water reduction rate, water secretion rate, air content, setting time, slump loss, test the concrete after hardening compressive strength, seepage resistance, frost resistance, shrinkage, covariance, and whether there is corrosion of reinforcement.

These test items should achieve the quality control index (including the benchmark concrete) and the quality requirements of the test material, in the “Concrete Admixture Application Technical Specification” has clear provisions. The purpose of this part of the test is to confirm whether the selected admixture is adapted to the concrete performance of all other materials, including cement varieties, can meet the design requirements for concrete performance. Construction department in the above test after passing, according to the construction of the actual choice of sand, stone and other admixture materials, combined with the results of the above test, adjust the ratio, do the admixture range of preferential test, the results will be provided when the construction of the use.

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