Qiao Shang steel frame shed surface is stable
Release time：2024-04-11 page views： Font size：big In the small
In order to improve the pressure resistance of the greenhouse surface without columns, two rows of columns are required to be added to the shed when building the shed, namely the rear column and the front row column. It is precisely because the existence of the middle column is reduced, so the stability of the greenhouse surface has become a difficult point in construction.
First, water is poured first and then brushed. Before burying the columns, the bottom of the shed needs to be leveled with an excavator, and then flooded with water to prevent sinking when the columns are buried. The rear column should be weighted columns with a height of 5.5 meters, and the front column should be 2 meters ordinary columns. According to the burial method of the vegetable greenhouse with columns, after installing the two rows of columns, steel wires are pulled on both sides to fix them.
Second, set up a steel frame. Pull a steel wire in the middle of the east and west walls, and hit the ground anchor, as a standard line on the steel frame, then work together to pull the steel frame to the predetermined position, and one person uses the wire to tie the steel frame to the standard line to prevent lodging. At the same time, the person standing at the top of the back wall of the greenhouse will tie the upper end of the steel frame to the back column, paying attention to the wire head to bend down to avoid piercing the film on the back roof. The two people standing at the front face of the greenhouse, in addition to fixing the steel frame on the front column, should also correct the up and down direction of the steel frame, so that the steel frame remains the same up and down. After that, then encrypt the steel wire on the shed surface. It is recommended that the steel wire arrangement distance under the greenhouse ventilation film is about 15 cm. All the steel wires on the shed surface should be fixed on each steel frame with iron wire, so as to enhance the firmness of the steel frame. (Slick)