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July 06, 2022
1) Construction set-out
a. According to the design requirements and drawing requirements, and in accordance with the actual situation, the elevation and axis should be verified for accuracy.
b. Before construction, the theodolite should be used to match the axis, and the level should be used to determine the elevation. Also, make some records accordingly.
c. After determining the axis and elevation, put the large sample, and then put the small sample, the order cannot be reversed.
d. When positioning the rigid frame, try to avoid the collision between the rigid frame column foot and the bolt, so as not to deform or damage the bolt.
(2) Pre-embedded bolts in foundation concrete
a. Before the foundation concrete, check the size, length, elevation, and position of the bolts, and fix the embedded bolts.
b. After the foundation concrete is poured, it is necessary to clean up the residual concrete in time.
c. When pouring concrete, the positioning of the embedded bolts should be accurate to avoid changes in their displacement and elevation.
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