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政協委員嗆聲綠化照明 三雄極光:該管管

政協委員嗆聲綠化照明 三雄極光:該管管

分類:
新聞中心
媒體來源:
2019/03/21 09:46
    受益于全球各個國家或地區政策推廣支持,景觀亮化市場滲透率不斷提高。每當夜幕降臨,道路兩旁景觀樹上張燈結彩,好看歸好看,相應的問題也隨之而來:
“一直纏在樹上面,會不會對樹的生長產生不利影響啊?”
 “一晚上都通著電,會不會存在安全隱患引發火災呢?”
(這么亮,鳥待在哪里?)
 
    因此,今年兩會全國政協委員、民進上海市委專職副主委胡衛關注綠化工程建設問題,并提交了《關于禁止在綠化行道樹上懸掛景觀燈光的建議》。胡衛認為,除了費財、費工、費力,燈光發出的光照對樹木本身及其上面棲息的動物也會產生一定的危害,破壞了生物的晝夜活動的規律和生物鐘節律,導致病害和蟲害的頻發,縮短了樹木的壽命。
 
    在戶外景觀亮化設計方面上,三雄極光的能力是不容置疑的。前有云南大理古城夜景亮化項目,后有北京奧運會、上海世博會、廣州亞運會以及遼寧全運會等眾多大型項目。前不久三雄極光承接的咸陽奧體中心體育館全面竣工,與此同時中標了湛江奧體中心項目。正是基于對戶外景觀亮化市場前景的看好,上市后的三雄極光便在戶外景觀亮化方面投入了不少的人力、物力和財力,試圖在巨大的戶外景觀亮化市場蛋糕中分得一杯羹。
 
    對于政協委員提出尋求替代的綠化照明設計方案,三雄極光認為除了節日營造氛圍需要,日常綠化照明應該根據植物的特征,如樹葉的稠密稀疏、樹冠大小、樹的高低等,來確定燈具的不同投射方式與安裝方式。
 
常見的綠化樹照明用光方式:
(1)向上照明
向上照明與我們白天觀察到的植物光照效果完全不同。照明設計時應根據植物的高度、整體質感及枝葉等特征進行燈位、光源及光束角的選擇與控制等。
 
(2)向下照明
下照方式可以增加樹葉的自然表現力,并可形成一定的特殊效果。下照設計時要考慮落在地面上或墻上的影子大小,而對燈位的選擇要隱藏起來。這種照明方式是直接對樹葉的正面進行照明,所以樹葉的質感會愈發鮮明,具有比白天更好的色澤。
除了基本的向上照明和向下照明手法外,通過特殊剪影表現可以得到更加戲劇化的效果,創造出環境氛圍所需要形成的效果。
 
 
常見的綠化樹照明燈具布置手法:
(1)樹木相對高度0.5-5米、樹冠1-5米左右,可以采用投光燈與埋地燈照明,無論選擇何種照明方式,都必須注意眩光的控制。
 
(2)樹木相對高度在6-10米、樹冠5-10米左右(或更高時),一般可以立桿安裝投/泛光燈或者直接安裝在樹枝上照明。燈具安裝電線的布置和燈的位置要盡量減少對樹木生長的影響或傷害。
▲立桿照明
▲安裝在樹本身照射
 
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