[{"data":1,"prerenderedAt":60},["ShallowReactive",2],{"q-109180-arch_construction-4":3},{"question":4,"neighbors":26,"sameNumber":44,"prev":33,"next":36},{"id":5,"classKey":6,"session":7,"year":8,"subject":9,"number":10,"groupStem":11,"ownStem":12,"stem":12,"options":13,"answer":18,"answerKind":20,"answerS":11,"answerNote":11,"images":21,"explanation":22,"withheld":11,"deepChars":23,"freq":24,"indexable":25},"arch-109180-801-0103-004","architect","109180",109,"建築構造與施工",4,null,"屋頂薄層綠化可有效降低屋頂層的熱負荷，下列那一項不是減少熱負荷的主因？",{"A":14,"B":15,"C":16,"D":17},"植物及土壤水分蒸發","空氣層","土壤隔熱係數佳","塑膠容器層隔熱係數佳",[19],"D","single",[],"本題考點：屋頂薄層綠化降低屋頂熱負荷的物理機制——植栽遮蔽日射、水分蒸發散帶走潛熱、土壤層與空氣層的隔熱，並辨別系統中哪一層不是靠隔熱性能發揮作用。\n【正解理由】屋頂熱負荷主要來自日射照射屋面轉成熱，再以傳導方式穿過屋頂板進入室內。薄層綠化在屋面上加了一套「植栽層＋介質土壤層＋排水（蓄水）層」：葉面先擋掉部分日射；植物蒸散與土壤水分蒸發時吸收大量潛熱，把表面的熱以水蒸氣形式帶走；含水土壤具有熱阻與熱容量，削減並延遲傳入的熱流；排水板或模組底部形成的空氣層導熱很差，再隔一道。至於模組化綠化使用的塑膠容器（植栽盆、排水盤），只是厚度很薄的殼體，功能在於盛裝土壤、排水蓄水與方便施工搬運，降溫效果並不是靠它的材料隔熱性能取得。因此「塑膠容器層隔熱係數佳」不是減少熱負荷的主因。故選 D。\n【逐項排除】\n(A) 植物及土壤水分蒸發：敘述正確。水由液態變成水蒸氣需要吸收潛熱，植物葉面蒸散與土壤表面蒸發都會把日射帶來的熱量轉成潛熱帶離屋面，表面溫度因而明顯降低，是綠屋頂降溫的核心機制之一。\n(B) 空氣層：敘述正確。靜止空氣的導熱能力很低，是建築隔熱常用的手段；薄層綠化底部的排水板凹凸構造或架高的模組底部會形成空氣層，阻隔土壤層的熱往屋頂板傳導，屬於減少熱負荷的原因。\n(C) 土壤隔熱係數佳：敘述正確。土壤層具有一定厚度，提供熱阻，又因含水而有較大的熱容量，能削減白天傳入屋頂的熱量並延後尖峰出現的時間，屬於減少熱負荷的原因。\n(D) 塑膠容器層隔熱係數佳：敘述錯誤。塑膠容器的殼體很薄，在整個綠化系統的熱阻中所占比例很小，它的角色是承載土壤、排水蓄水與施工便利，不是靠隔熱性能降溫。改成正確的說法應為：薄層綠化降低熱負荷的主因是植栽遮蔽、水分蒸發散、土壤層與空氣層隔熱。\n【記憶點】綠屋頂降溫靠「遮、蒸、隔」：葉面遮日射、水分蒸發帶走潛熱、土壤與空氣層隔熱；塑膠盆只是載具。",606,1,true,[27,29,32,35,38,41],{"number":24,"session":7,"stem":28},"營建材料表面粗糙時，陽光照在上面有助於何種光學行為的產生？",{"number":30,"session":7,"stem":31},2,"下列何種樓梯間開窗可減少眩光的產生，並具有良好的漫射光？",{"number":33,"session":7,"stem":34},3,"RC 柱梁結構中，二樓中央的柱子，依力學原理之一般配筋，箍筋量最少的位置在何處？",{"number":36,"session":7,"stem":37},5,"下圖有關 RC 柱（高度 3 公尺）的軸壓力破壞過程，下列敘述何者錯誤？",{"number":39,"session":7,"stem":40},6,"下圖所示之柱上裂縫，較可能的成因為何？",{"number":42,"session":7,"stem":43},7,"有關住宅防水材料施工設計之敘述，下列何者正確？",[45,48,51,54,57],{"number":10,"session":46,"stem":47},"114180","依據我國建築技術規則有關耐燃材料之規定，下列敘述何者錯誤？",{"number":10,"session":49,"stem":50},"113190","關於玻璃工程，下列敘述何者錯誤？",{"number":10,"session":52,"stem":53},"112190","有關木質材料，下列敘述何者正確？",{"number":10,"session":55,"stem":56},"111180","建築構造中所謂的止水帶應用於：",{"number":10,"session":58,"stem":59},"110180","下列何項不是新建建築物在選擇「屋頂防水」的材料及工法的主要考量因素？",1791863206513]