by Originating from Shanxi No.4 Construction Group Co., Ltd., this process, the verticality measuring ruler of main construction formwork (produced by Feng Cong and Li Guofeng), is an excellent achievement project emerging from the “five small” competition of Shanxi No.4 construction group.
This process is aimed at some problems such as the verticality detection of the formwork during the acceptance of the main construction formwork, which often encounters many walls and columns to be detected, and requires more times to set up a ruler.
It will take a lot of manpower and time to measure only by dropping the line and combining the ruler.
Therefore, the detection ruler can not only quickly detect the verticality of the formwork in a short time, but also be simple and practical in operation, and only one person can complete the detection.
This process is simple, only need: multilayer board, rope, wire pendant, red tape paper, nails.
Cut three 4cm wide wooden strips of 1.83M, 0.26M and 0.26M long from the multilayer board, and then fix two 0.26M long wooden strips vertically on the upper and lower ends of the 1.83M wooden strip, and stick 16mm wide red tape at 200mm of the 0.26M wooden strip at the lower end, as shown in the figure below.
According to gb50204-2015 code for acceptance of construction quality of concrete structures, the perpendicularity of formwork acceptance is required to be within 8mm.
Therefore, paste 16mm wide adhesive tape at 200mm at the lower end, 8mm on the left and 8mm on the right.
At the same time, fix one end of the hammer at 200mm at the upper section.
In this way, due to the effect of gravity, you can measure whether it is qualified.
If the wire rope is not in the adhesive tape, it is unqualified, Otherwise, it is qualified (if you want to read the deviation reading, you can replace the tape with a 16mm wide dial).
For the relatively high formwork at the adhesive tape pasting place, it is not necessary to climb the shelf on the top hanging line, let alone measure the distance between the top formwork and the hanging line, which shortens the operation time and improves the measurement accuracy.
Therefore, it speeds up the formwork acceptance time, and provides a guarantee for speeding up the construction progress and improving the project quality.
Through the use and verification in the project, the verticality of the formwork is tested with this ruler from the foundation to the main body, which shortens the formwork acceptance time.
The verticality test of each wall can not only find problems in time and avoid quality problems, but also speed up the acceptance time, speed up the project progress and reduce the project cost.
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