Some people say that the seam is really good cloth with kraft paper is good, is that so?
If there is a fixed point in the YKB board hole, there are two ways to deal with:
??????? (1) Re-punch in the appropriate space around it.
(2) with 50X50 iron thickness 3-4mm nut tightening spot welding.
How to avoid this problem:
1, the top plate to fix the fountain line, the first to find YKB board cross seam, the general civil construction here for the concrete irrigation joints, the first line on the use of this seam.
2, hanging point spacing in the construction specification requirements are 900 - 1200mm, the specific construction, the hanging point spacing can be within the scope of the YKB board width modulus to determine, so as to avoid the occurrence of active lifting point, but also to avoid Hammer drilling break YKB stress bar, affecting the YKB board force.
The fixed bolt of the fixed bolt is not selected, the pitch is not the modulus
This type of situation mainly occurs in the porous YKB board floor, in the determination of hanging spacing, YKB board modulus size, part of the expansion screw fixed point falls in the YKB board hole, then expansion bolt expansion head in the hole, can not be fixed, Resulting in the ceiling fixed point up and down, about the activities of the gap, the hanging point seems to be a force point, in fact, once it will be deformed force.
