Simple winter warm plastic shed construction

Build a rectangular gray line that is 11 meters wide and 60 to 100 meters long. First, the cultivating layer of mature soil in the gray line was excavated and pushed to the south side of the gray line, and the foundation within the width of 3 meters from the outer edge of the greenhouse and the outer edge of the east-west gable was compacted. Then excavate the soil to build the wall (it can be divided into 5 layers, each layer needs to be compacted, especially the top layer should be compacted) so that it has a trapezoidal cross-section, the bottom width is 5 meters wide, the top width is 2 Meters, walls 2 meters above the ground level above the ground level. Then draw a gray line along the width of 1 to 1.2 meters outside the wall. Cut the gray line from the inside and cut it into the shed. Inside the wall, cut a slope that is 20 to 30 cm wider than the top. The base of the wall is below the ground level. At a distance of 30 cm, a 50 cm wide platform was cut as a walking track. The soil was cut and trimmed. The floor was screeded. After the cut, the shovel was used to flatten the wall and then the wall was tamped. Finally, the south edge of the shed was cut flat according to the standard of 8.7 meters in the shed, and the mature soil was pushed into the shed. Buried columns set up four columns from north to south. The first row is the rear column, 3.8 meters long and 10 to 42 centimeters in cross section; the second row is 3.6 meters long, the third row is 2.7 meters, the fourth row is 1.5 meters, and the cross section is 8 to 10 centimeters; The 4th bar of the 6th bar is prefabricated with concrete (concave on the top, and the hole of the iron wire is left at 20cm), and the bedrock is underlayed and buried in a depth of 50cm. The first and fourth row columns have a 1.8-meter separation between east and west, and the second and third rows are 3.6 meters; the first row is 0.7 meters behind the wall, and the first to second rows, 2 to 3 rows are 2.67 meters north-south, and 3 to 4 rows are 2.66 meters ( The fourth row may not be inclined because it is close to the south wall of the shed. When setting up the column, use a wire rope to level and find the alignment so that the upper row of 1 to 3 rows is aligned, and the second, third and fourth rows are aligned to the north and south and offset 10 cm from the first row: the fourth row of odd-numbered grooves is aligned in the east-west direction. In order to tie the crossbar, even-numbered grooves are aligned in the north-south direction to tie the arches. The odd-numbered roots are 5 cm lower than the even-numbered roots and 10 cm southerly so that the cross-bars are flush with the arches. Set a drop stone to dig a trench 8 meters long, 0.5 meters wide, and 1 meter deep on the outside of the east and west gables. 33 rockfalls (each weighing about 30 kilograms) are buried in each groove, and the stone must be dropped. The steel wire (iron wire) is attached and exposed to the ground about 50 centimeters so as to connect the steel wire for front and rear slopes. After the sloping surface, the squat can be used for the first time. The stern can be made of hardwood (2.2 meters in length and 10 centimeters in diameter) or more (reinforced concrete). The head is fixed on the top of the rear column and the head is buried in the wall. The ground is 45 degrees. Then pull the back-slope wire, that is, connect the steel (iron) wire on one of the drop stones with the 26th thick galvanized steel wire, tighten the things on the back sill (the two gables are covered with the waste screed), and use the wire to Fix it on the purlin and connect another drop stone. The distance between the steel wire is 30 centimeters and the top is double rooted. There are seven roots. Tied arch (horizontal) rod arch with 11 meters long, 9-10 centimeters in diameter bamboo pole, coarse head backwards, saw a small mouth 10 centimeters from the thick, stuck in the double steel wire, and fixed in the wire with wire And on the rear sill, the front part is fixed on the second column, the third column and the fourth column. The crossbars were fixed on the south side of the first row of odd-numbered columns and the first column of arches with 7-8 meters in length and 7-9 centimeters in diameter. Take the front slope and pull the wire first (type, texture, and pulling method with the back slope), pull the first root on the first track, pull each one at a distance of about 40 centimeters forward, and pull 26; pull the saw above the big arch The small mouth, the steel wire into the small mouth, respectively, with a wire fixed on the big arch. Then tie the rod and bamboo. Use a bamboo pole with a length of about 7 meters and a diameter of 2 to 3 centimeters as a shimming rod. With the rough head outward, lap the middle thin head together, fix it on the steel wire on the forward slope with the wire, and fix the front head on the east-west rail. Each bamboo pole and the head of the arch are affixed with 1.2m long bamboo pieces, and the bamboo pieces are inserted into the soil 30cm away from the 4th column. Note that bamboo and bamboo joints should be covered with plastic film so as not to scratch the film. After constructing the top of the slope, use a 4-meter-wide plastic film on the top of the slope, lay 1.8 meters wide on the steel wire on the back slope, and then tightly arrange 30 to 40 centimeters thick straw stalks (turn the straw back on top). From the top, the film is tightly packed with straw, and the soil is pressed on the film to make it a slope that is high and low and is about 20 degrees from the ground. The shed film was laid on the skeleton of the structure and covered with a white plastic film. The four corners were pressed with mud and the film was pulled out with a rope net.

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