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温室大棚的建设技巧

1、平整土地和放线:按照设计好的日光温室平面图,陟盘测定好方位角,确定温室大棚的四个角,温室的四个角处打瞒桩,而后确定山墙和后墙的位置。

1, flat land and pay-off: according to design good solar greenhouse floor plan, determine the azimuth, accompanied determine the four angles of greenhouses, greenhouse at four corners from the pile, and then locate the gable wall and back wall.

2、筑墙:筑土墙所用的土,可以采用温室后墙外侧的土,也可以用温室前部栽培面耕层以下的土壤。如用温室前幽土,可将耕层(厚约25厘米)挖出,放在一边,向底层的生土浇水,一天以后,挖生土做土墙。先按土墙的厚度打夹板,填入刚挖出的湿土,用土夯或电夯夯实,每层约20厘米,夯实一层以后,再作第二层,直至达到要求高度。山墙于后墙要一起做,不可分段,只有这样才坚固。如果土壤的粘度不够,可毗中掺人麦秸。有些地区的土壤粘度很低,不能用夯实的方法建墙,这时可先在土中搀入一定量的麦秸和泥,做成土坯,待土坯干后,睡土坯墙。砌墙时,土坯之间要用草泥堵严,墙的内外也都要抹草泥。砖墙施工时要先将地基夯实,然后才可以砌墙,施工时要灰浆饱满,勾好砖缝,抹好灰面,墙的内外都要抹灰,以免漏风。砖墙层与层之间的空心不可过大或过小。一般空心的宽度掌握在5-8厘米之间。空心不可一留到底,要每隔3-4米,用砖将各层连接起来,以提高墙的牢固程度。空心墙可加用炉渣、珍珠岩、麦秸作填料,也可什么也不加,只用空气隔热,不加填料的空心墙,一定要做到没有裂缝。在砖睁封顶时,最好用泥糠封顶30厘米,使后墙与后屋面衔接紧密,提高保温性能。

Build wall: the earth that builds a wall to use, can adopt the soil of the outside wall of the greenhouse behind the wall, also can use the soil of the soil that is cultivated in the front of the greenhouse. If you want to use the soil in front of the greenhouse, you can dig out the soil layer (about 25cm thick), put it on one side, and water the soil at the bottom of the ground. First according to the thickness of the wall plate, just dug out of the wet earth fill, ram or electric tamping compaction, out of the clay around 20 centimeters per layer, a layer after compaction, again for a second, until the height they wanted. The wall should be done together in the back wall, not in sections, only in this way. If the soil is not sufficiently viscous, it may be mixed with straw. Soil viscosity is very low in some areas, can't use the method of compaction built a wall, then can be mixed in the soil first into a certain amount of straw and mud, adobe, adobe dry after sleep adobe wall. When the wall is built, the clay should be blocked with grass, and the inside and outside of the wall should be mashed. Brick wall construction to consolidate foundation first, before you can build by laying bricks or stones wall, construction to mortar when full, good brick joints and the good gray surface, both inside and outside of the wall plaster, so as to avoid air leakage. The hollow between the brick wall and the layer is not too big or too small. The average hollow width is between five and eight centimeters. The hollow must not stay in the end, want every three to four meters, use brick to connect each layer, in order to improve the strength of the wall. Cavity wall slag, perlite, straw can also be used for packing, also can add nothing, only air insulation, hollow wall without packing, must be no cracks. When the brick is open to the top, it is better to be able to cover the top 30 centimetres with the mud and chaff, so that the rear wall is connected to the rear roof, improving the insulation performance.

3、埋立柱、立屋架:根据图纸,确定各个立柱的位置并用石灰标出。挖30-40厘米深的坑,用石头做柱脚,以防止立柱下沉,而后在后排立柱上安装挖柁,柁头架于立柱上,柁尾架于后墙上或架于后面辅助立柱上,在柁上放檩3-4道。脊檩在柁处相连,成一条直线,其它檩错落放置,为防止檩下滑,可在檩下部的柁上钉一块小木块卡住檩木。有些温室只用立柱支撑脊檩。

3, bury the pillar and set up the roof: according to the drawing, determine the position of each column and mark it with lime. 30-40 cm deep hole, stone column foot, in order to prevent the pillar sink, and then install dig pillars in the rear pillar, pillars heads on the columns, pillars tail stock on or after the wall frame on the auxiliary pillar behind, put on the pillars purlin 3-4. The spine is attached to the area of the water, forming a straight line, and the other purpings are placed in order to prevent the purged of purlin from falling, and a small piece of wood is pinned to the bottom of the purlin. Some greenhouses only support the spine with columns.

4、覆盖后屋面:在檩条或椽子上覆盖一层废旧的塑料薄膜,在薄膜上摆放成捆的玉米秸,其撂放的方向与檩条或椽子垂直。再在玉米秸上铺麦秸或稻草,而后在其上再铺一层塑料薄膜,上面抹草泥。后屋面由两层塑料薄膜包裹的秸秆、麦草组成了一个像棉被一样的覆盖物,保温性能比普通的不加塑料薄膜的后屋面大大提高了。后屋面覆盖好以后,要用草泥将后屋面内侧与温室后墙衔接处抹严。

After 4, covering roof: cover purline or rafters in waste plastic film, put on film bundles of corn stalk, the flow direction and purline or rafters vertical. Then spread a straw or straw on the stalks of corn, and then spread a sheet of plastic over it, with the mashed mud on it. After the roof consists of two layers of plastic film package of straw, wheat straw a like quilt covers, heat preservation performance than ordinary without plastic film after roof greatly improved. After the roof is covered, the inside of the roof will be covered with grass mud.

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