Therefore, when connecting reinforcement, first check the appearance quality of reinforcement joints one by one to ensure that the size of reinforcement used and other relevant specifications are consistent with the specifications of sleeve, And it shall be ensured that the exposed thread of the reinforcement shall not exceed one complete thread or two and a half threads.
1、 Construction method in the process of reinforcement connection construction, the position and quantity of reinforcement for straight thread connection of reinforcement shall be determined according to the construction design scheme and the actual situation of construction project.
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During the overlapping construction of slab reinforcement, since most floors adopt beam and slab, when overlapping slab reinforcement, it is necessary to ensure that the anchorage length and overlapping length meet the construction requirements, and clarify the placement sequence of each overlapping material, so as to avoid unnecessary troubles in the construction process and ensure the construction quality of reinforcement overlapping, Provide sufficient guarantee for the smooth development of subsequent construction projects.
If there are unqualified joints, the joints of this batch shall be inspected one by one, and the unqualified joints shall be repaired in time.
Different types of reinforcement have different specific requirements for joint lapping.
For the reinforcement with diameter no more than 12mm, the end of the reinforcement can also be free from hook treatment.
Reinforcement connection technology plays a very important role in the structural quality of construction engineering.
In addition, during the construction process, it is necessary to ensure that the specifications of the reinforcement used are consistent with the specifications of the connection kit, and the form of thread on the reinforcement should also be consistent with the corresponding specifications on the connection kit, so as to effectively improve the construction quality of reinforcement connection construction and reduce the loss of reinforcement in the process of daily use.
Details are as follows: the collection of atlas and specifications collected in the official account is arranged on the Internet.
When binding the reinforcement of concrete column, pay attention to the treatment of soil slag at the reserved lapping position.
dried food! Reinforcement connection construction technology knowledge! 3、 When binding the lap joint, the length to be overlapped and the position of the joint shall be within the scope of seismic code requirements.
dried food! Reinforcement connection construction technology knowledge! 2、 Appearance inspection of mechanical connection: the external inspection of reinforcement is an important link to ensure the construction quality of reinforcement connection.
For example, the end of hpb235 reinforcement binding joint shall be subject to hook treatment, and HRB400 reinforcement does not need hook treatment.
In addition, in the tensile area of the joint, the reinforcement models are different, and the specific construction requirements are also different.
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The acceptance quantity of each batch shall be 500, and those less than 500 shall also be accepted as a separate batch.
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The on-site inspection shall be carried out according to the acceptance batch, and under the same construction conditions, the construction materials of each batch shall be guaranteed to have the same grade, type and specification.
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The inspectors shall strictly inspect each batch of incoming reinforcement and ensure that it meets the following requirements: there shall be more than 3 joint specimens of each kind of reinforcement, and the tensile strength of the reinforcement of the joint specimens shall be inspected; The tensile strength of the test piece of each kind of reinforcement shall not be less than 0.95 times of the tensile strength of the reinforcement used in the actual construction process.
When connecting reinforcement with different diameters, it shall be noted that the diameter of reinforcement connected each time shall not exceed two levels, In addition, during the connection operation, the reinforcement must be tightened with a pipe wrench, so that the reinforcement wire heads can be pressed against each other in the middle of the sleeve, or locked with a lock nut and marked to ensure the construction quality of reinforcement connection.
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When lapping the vertical reinforcement, first take samples for experiment, and then carry out the lapping construction operation after ensuring that all links meet the construction requirements.
This paper discusses the construction technology of reinforcement connection in construction engineering.
All joints sampled during the acceptance process shall be qualified.
Site inspection and acceptance: the inspection on the construction site shall be carried out before the reinforcement connection construction.
In order to ensure the quality of reinforcement engineering, reasonable welding technology must be adopted in combination with the reality of construction engineering.
