溫室工程建(jian)設注意(yi)事項

        溫(wen)(wen)室(shi)(shi)工(gong)程是(shi)采光(guang)(guang)建筑，因此建造(zao)溫(wen)(wen)室(shi)(shi)工(gong)程時需(xu)要有良好的透(tou)(tou)(tou)光(guang)(guang)效果，透(tou)(tou)(tou)光(guang)(guang)率(lv)是(shi)評價(jia)溫(wen)(wen)室(shi)(shi)透(tou)(tou)(tou)光(guang)(guang)性(xing)能的一項基本(ben)指標。透(tou)(tou)(tou)光(guang)(guang)率(lv)是(shi)指透(tou)(tou)(tou)進(jin)溫(wen)(wen)室(shi)(shi)內(nei)的光(guang)(guang)照量與室(shi)(shi)外光(guang)(guang)照量的百分(fen)比。溫(wen)(wen)室(shi)(shi)透(tou)(tou)(tou)光(guang)(guang)率(lv)受溫(wen)(wen)室(shi)(shi)透(tou)(tou)(tou)光(guang)(guang)覆蓋材料(liao)透(tou)(tou)(tou)光(guang)(guang)性(xing)能和(he)溫(wen)(wen)室(shi)(shi)骨架陰影率(lv)的影響，而且隨著不同(tong)季節太陽(yang)輻射角度的不同(tong)，溫(wen)(wen)室(shi)(shi)的透(tou)(tou)(tou)光(guang)(guang)率(lv)也在隨時變化。溫(wen)(wen)室(shi)(shi)透(tou)(tou)(tou)光(guang)(guang)率(lv)的高低就成(cheng)為作物生(sheng)長和(he)選擇(ze)種(zhong)植作物品種(zhong)的直(zhi)接影響因素(su)。

        溫(wen)(wen)(wen)室(shi)(shi)(shi)工程(cheng)要注意(yi)保(bao)溫(wen)(wen)(wen)性能(neng)，提高溫(wen)(wen)(wen)室(shi)(shi)(shi)的保(bao)溫(wen)(wen)(wen)性能(neng)，降低能(neng)耗，是提高溫(wen)(wen)(wen)室(shi)(shi)(shi)生產效(xiao)益的直接手(shou)段。溫(wen)(wen)(wen)室(shi)(shi)(shi)的保(bao)溫(wen)(wen)(wen)比(bi)是衡量溫(wen)(wen)(wen)室(shi)(shi)(shi)保(bao)溫(wen)(wen)(wen)性能(neng)的一項基(ji)本(ben)指標。溫(wen)(wen)(wen)室(shi)(shi)(shi)保(bao)溫(wen)(wen)(wen)比(bi)是指熱阻(zu)(zu)較(jiao)小的溫(wen)(wen)(wen)室(shi)(shi)(shi)透光(guang)材料覆蓋(gai)面(mian)積與熱阻(zu)(zu)較(jiao)大(da)的溫(wen)(wen)(wen)室(shi)(shi)(shi)圍護(hu)結(jie)構覆蓋(gai)面(mian)積同地(di)面(mian)積之和(he)的比(bi)。保(bao)溫(wen)(wen)(wen)比(bi)越大(da)，說(shuo)明溫(wen)(wen)(wen)室(shi)(shi)(shi)的保(bao)溫(wen)(wen)(wen)性能(neng)越好。

        溫(wen)室(shi)(shi)(shi)(shi)工程建設須(xu)要考慮(lv)其耐(nai)久(jiu)(jiu)性(xing)。溫(wen)室(shi)(shi)(shi)(shi)耐(nai)久(jiu)(jiu)性(xing)受溫(wen)室(shi)(shi)(shi)(shi)材(cai)料(liao)耐(nai)老化性(xing)能、溫(wen)室(shi)(shi)(shi)(shi)主(zhu)體(ti)結(jie)構(gou)的承載能力等因(yin)素的影響。透(tou)光材(cai)料(liao)的耐(nai)久(jiu)(jiu)性(xing)除了自身的強度外(wai)，還表現(xian)在材(cai)料(liao)透(tou)光率隨著時間的延長而(er)不斷衰減，而(er)透(tou)光率的衰減程度是影響透(tou)光材(cai)料(liao)使用壽命的決定性(xing)因(yin)素。由于(yu)溫(wen)室(shi)(shi)(shi)(shi)運行長期處于(yu)高溫(wen)、高濕環境下，構(gou)件(jian)的表面(mian)防腐就(jiu)成為影響溫(wen)室(shi)(shi)(shi)(shi)使用壽命的重要因(yin)素之一(yi)。

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