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Radial extrusion connection requirements?
Publish Time：
2022-11-11 10:44
Radial extrusion speed is greatly improved, and the operation is more convenient. Below, we will introduce the connection requirements of radial extrusion. If you are also interested in this topic, let's look down together with the editor. I hope it can bring you some better help when choosing.
Radial pressing speed is greatly improved, and operation is more convenient. Below, we will introduce the connection requirements of radial pressing. If you are also interested in this topic, let's look down together with the editor, hoping that you can get some better help when choosing after reading it.
Radial pressing should comply with the provisions of JGJ107-2010. First, for those using ribbed steel bar sleeve pressing joints in their type test items, the technical provider should submit a valid type test report. The type test must comply with the relevant provisions in JGJ107-2010 "General Technical Regulations for Steel Bar Mechanical Connections". The next step is to conduct process inspections. Before the project starts and during construction, the radial pressing connection process inspection should be carried out for each batch of steel bars entering the factory. There should be no less than 3 specimens of each specification in the process inspection. The steel base material of the samples should undergo tensile strength testing. The tensile strength of the three specimens should meet the requirements. When calculating the actual tensile strength, the actual cross-sectional area of the steel bar should be used. Another important point is to conduct on-site unidirectional tensile tests. In fact, on-site inspection of radial pressing joints should be carried out in accordance with acceptance batches. Under the same construction conditions, using the same grade, type, and specification of materials from the same batch. 500 pieces are inspected and accepted as an acceptance batch; if there are fewer than 500 pieces, they should also be considered as an acceptance batch.
During radial pressing, for each acceptance batch, according to the design joint performance level requirements, 3 specimens are randomly selected from the project for unidirectional tensile testing. The evaluation is based on the requirements of industry standard JGJ107-2010. Another important point is that when the test results of the three specimens meet the strength requirements, the acceptance batch is considered qualified. When the tensile strength of one specimen does not meet the requirements, another six specimens should be taken for retesting. Uniaxial tensile test failed. When 10 consecutive acceptance batches are inspected on-site, and all samples in the uniaxial tensile test are qualified, the number of joints in the acceptance batch can be doubled. Currently, radial pressing technology is suitable for connecting Grade II and Grade III deformed steel bars with diameters of 20-40mm, and is also suitable for connecting various imported deformed steel bars with similar properties. When using steel bars of different grades, select matching steel sleeves. If you have any questions, you can call us at any time for consultation. You can see the contact information on the official website, and you can also consult online customer service staff. They will help everyone solve problems related to quotation methods.
The above article describes the connection requirements of radial pressing, and also shares a relatively good manufacturer in the content. If you have this need, you can check it out, hoping it can help you.
Radial extrusion
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