Grouting material approach acceptance specification

Epoxy grout material approach, material approach test 1. 1 cement grouting material comes into play should be recheck, qualified rear can be used in the construction. 1. 2 review project should include the cement grouting material performance and net content. 1. 3 cement grouting material packaging net content shall meet the following requirements, otherwise the sentence to unqualified: (1) the net quality should be 25 kg, 50 kg each bag, and shall not be less than 99% of the marking quality, and (2) randomly selected 40 bags of 25 kg or 20 bags of 50 kg packaging products, the total net content shall not be less than 1000 kg. (3) other forms of packaging can be determined by supply and demand both sides talks things over, but the net content should be consistent with the provisions of paragraphs 1, 2, 1. 4 in cement grouting material should examine and organize form test report, instruction manual, factory inspection report' Or product certificate 】 Such as quality certification. 1. 5 factory inspection report contents should include: name and model number of products, inspection according to the standard, date of production, water consumption, the fluidity of the initial value and 30 min retention, vertical expansion rate, 1 d compressive strength, seal, inspection personnel inspection department to sign the Or code] 。 When a user needs, the manufacturer shall be made in cement grouting material within 7 d replacement within 3 d compressive strength value, 32 d replacement 28 d compressive strength values. 2, inspection of sample 2. 1 per 200 t cement grouting material should be a test batch, less than 200 t should count as a test batch, each inspection lot should be a sample unit. 2. 2 sampling methods should be the cement sampling method according to the existing national standard GB/T12573 execution. Total sample should be representative, shall not be less than 30 kg. 2. 3 samples should be mixed evenly, and applies the method of four points, each inspection lot sampling down to experiment the required amount of 2. 5 times. 2. 4 each inspection lot of styles should be fully mixing, divided into two equal parts, one should be in accordance with the GB/T50448 - 2015 main performance indexes of cement grouting material test in the project, another should be kept sealed to the period of validity, in case the arbitration inspection. Above approach acceptance specification for grouting material