Building verticality elevation observation is not done once on the first floor

The following is our Zhejiang Jiaxing.

A few points of stipulation:

1. Perpendicularity.

The observation requires the main structure to be measured once after completion, the decoration project to be measured once after completion, and then observed once after completion and handed over to the construction unit.

2. The verticality of the main structure is controlled according to the following standards: brick-concrete structure.

h 10m, allowable deviation 10mm; h 10m, allowable deviation 20mm. Frame structure.

The allowable deviation is and is the full height of the column and wall. The verticality of the completed works is controlled according to the following standards: HG 24m, and the allowable deviation is HG; 24m hg 60m with allowable deviation of hg; 60m hg 100m with allowable deviation of hg; HG 100m, allowable deviation.

for hg. where hg is the height of the building from the outdoor ground. Unless otherwise specified in the design.

3. Requirements for the setting of verticality observation points: before the main structure is crowned, a 20 is buried on both sides of the outdoor corner of the building and the appropriate surface measurement point of each façade, exposing the outer wall of the structure 8 cm, generally located 20 cm below the eaves, and 50 cm above the outdoor floor.

7. After the completion of the main structure of each floor, the floor elevation should be measured, and the full height of the building should be measured after the main structure is completed. The setting of observation points shall be determined by the supervision (construction) unit and the construction unit through joint consultation.

Not necessarily, if it is a large project, you may have to do it several times per layer.

Well, I haven't built it, I haven't learned about it. But I remember watching a TV ,,, asking others to walk in a straight line, and one person was walking in his own footprints, and the other person was looking at a target

Hello, it is a pleasure to serve you and give you the following answers: Building verticality elevation full height measurement record refers to the measurement of the full height of the building in the verticality measurement of the building to determine the verticality of the building. Workaround:

Cong 1First of all, you need to prepare a level to measure the verticality of the building. 2.

Then, at the bottom of the building, measure the full height of the building and record it. 3.Next, at the top of the building, measure the full height of the building again and record it.

4.Finally, the results of the two measurements are compared, and if the results of the two measurements are not much different, it means that the verticality of the building is good; If there is a large difference between the two measurements, it means that the verticality of the building is poor. Personal Tips:

When measuring the full height of the building verticality, it is necessary to ensure the accuracy of the level, as well as the accuracy of the measurement, so as to ensure the accuracy of the measurement results.

The outer corner axis of high-rise buildings should be projected to the upper floor, and high-rise buildings generally use the internal control method (vertical collimator) to project the axis to the upper floor, and then check with the outer corner axis.

During the construction of high-rise buildings, deformation observations such as settlement observation and verticality observation should be carried out.

The following elevation is projected downward based on the line elevation, e.g. 3m downward.