What are the construction technology of concrete material?

The construction process of concrete placing boom

A, according to the fabric pole factory installation manual to install the fabric rod.

B, the cloth rod straight, whether in the case of straight do not weight.Generally the cloth rod into in don't weight can stand straight, because in the lifting cloth rod, common crane can not be cloth bar and counterweight hanging together, need points twice to hoisting and installation.

Check bolt C, cloth rod are all tightened, the rotating shaft is normal.

D, the frame body with the position of the cloth rod is put in place, and the inspection and acceptance are carried out, and the bearing capacity of the bearing body, the strengthening condition of the double fastener and the smooth condition of the foundation are calculated..

E and the placement of the placing boom and counterweight, cloth of the intermediate lever must be elevated 200~300mm, supporting feet beneath sleeper or wood, check cloth rod body is vertical.

F, when the frame body is placed on the frame body, the supporting legs are compacted and the legs are not installed on the floor..

G, a cable wind rope cloth rod fixed legs, cable wind rope not too tight, the distance should be set aside cloth rod deformation.

H, concrete pump, takes over must check full pump tube are cleaned, the interface must be used rubber seal washer. Connect the concrete pump pipe shall check the bolt.

I, test, with rope control of concrete material outlet, and the middle arm bending demolition, run for a week in the maximum range.

J, ready to signal lines of the concrete and walkie talkie, double control, in columns, walls of concrete to ensure the lamp pump stop, stop stopped, in front of the concrete must advance 4S halted, lights, communication must be established a special, night construction control of concrete must be accompanied by a flashlight, see concrete pouring height.

K, the outlet change location, with a sack will be exported to live, to avoid concrete fall on the ground, to another out of the material position to unlock.

L, manual cloth rod can not be arbitrarily long, shall be long, in greater than the allowable working radius must be fixed and fixed support.

M, concrete pouring has been completed, we must use mortar and water to wash the pump and use of each pumping clean water must be using standard cleaning ball, shall not be used instead of other objects, after cleaning, the first hanging weight, after hanging cloth rod body to a working position, after installation, hanging in the balance, repeat the previous.