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一、前言近年来,我国塑料大棚保护地面积已发展到十几万亩,塑料大棚已成为我国北方蔬菜生产、南方水稻育秧的重要农业设施。它还可推广用于花卉、苗木的培育,并作为禽畜舍棚圈,甚至库房或工棚等。目前流行的热镀锌钢管大棚,在结构性能、环境条件和操作管理等方面,比竹木棚和钢筋棚有很大改进,但耗钢较多,成本高,有碍于大批量生产及大面积推广。我们研制的钢
I. Foreword In recent years, the area of plastic greenhouse protection in our country has developed to more than 100,000 mu. The plastic greenhouse has become an important agricultural facility for the production of vegetables in the north of China and the cultivation of rice in the south. It can also be popularized for the cultivation of flowers and nursery stock, as a livestock shed shed, or even a warehouse or shed. The current hot dip galvanized steel pipe greenhouse, in terms of structural performance, environmental conditions and operational management, than the bamboo shed and steel shed has greatly improved, but more consumption of steel, high cost, hindering the large-scale production and large Area promotion. We developed the steel