[jianjianjiantong] witness sampling 3D construction animation explanation, concrete, block and steel bar are complete!

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Source: Tencent video witness sampling and inspection system refers to a procedure in which the construction unit’s full-time material testing personnel, under the witness of the construction supervision unit or the construction unit, take samples or make specimens on site and send them to the laboratory meeting the qualification management requirements for testing

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The animation explains in detail the witness sampling methods of 15 kinds of common building materials, which are: 1

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Concrete sampling 2

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Brick and block sampling 3

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Sand sampling 4

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Heat insulation board sampling 5

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Reinforcing mesh sampling 6

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Wire sampling 7

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Mortar sampling 8

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Steel raw material sampling 9

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Welded steel sampling 10

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Disturbed soil sampling 11

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Coil sampling 12

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Coating Sampling 13, asphalt concrete sampling 14, emulsified asphalt sampling 15, cement sampling products: Nanning Construction Engineering Quality Testing Co., Ltd., Guangxi Huadu Construction Technology Co., Ltd., Guangxi innovative construction engineering quality testing Consulting Co., Ltd., Guangxi Kecheng Construction Engineering Quality Testing Technology Co., Ltd., Nanning Pinxin engineering testing Consulting Co., Ltd., Guangxi hengning Construction Engineering Co., Ltd Nanning Tianlang Project Management Consulting Co., Ltd

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produced by: Guangxi yunshangmeishan Culture Communication Co., Ltd

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(source: integrated in the network, pictures and copyright belong to the original author, if there is any infringement, please contact to delete!) Make project budget on behalf of others

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