[{"data":1,"prerenderedAt":61},["ShallowReactive",2],{"q-109180-arch_construction-7":3},{"question":4,"neighbors":26,"sameNumber":45,"prev":34,"next":37},{"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-109180-801-0103-007","architect","109180",109,"建築構造與施工",7,null,"有關住宅防水材料施工設計之敘述，下列何者正確？",{"A":14,"B":15,"C":16,"D":17},"施作完水泥砂漿地面或是貼完地面磚後，才在完成面上施作防水以避免漏水","續接設備排水管的管根處一般留設高於地面 10～20 mm，且由上管套入下管","瀝青油毛氈因防水性能佳、材料厚度大，張貼於屋頂後不須再保養更換","落水頭處的防水層在排水孔外截斷，落水頭形式平面即可",[19],"B","single",[],"本題考點：住宅防水的構造原則——防水層的位置（介於結構體與裝修面材之間）、管根與落水頭等貫穿與排水部位的細部處理，以及防水材料的老化與維護。\n【正解理由】防水細部的共同邏輯是「水往低處流、接縫順著水流方向搭接、弱點部位加強」。設備排水管穿過樓板時，管根周邊是防水層最容易斷開的位置，所以管根一般留設高於地面 10～20 mm，地面積水不會直接沿管壁與樓板的交界縫滲入；管材套接時由上管套入下管，水由上往下流經接頭時只會落進下管內，不會從接縫往外溢出，道理與屋瓦「上片壓下片」相同。故選 B。\n【逐項排除】\n(A) 錯誤，錯在施工順序。防水層應施作於結構體（RC 樓板）表面，之後再做水泥砂漿保護層、粉光或鋪貼地面磚；若在砂漿或磁磚完成面上才施作，水仍可經磁磚縫與砂漿層的裂縫進入下方而滲到樓板，防水膜也直接暴露於踩踏磨耗。正確的做法是「先防水、後面材」，由面材與保護層保護防水層。\n(B) 正確。管根高出地面可避免積水直接淹到管根縫隙，上管套入下管則使接頭順著水流方向，水不會由接縫倒滲，兩項都符合防水細部的順水原則。\n(C) 錯誤，有兩處不符。其一，瀝青油毛氈受日照紫外線與冷熱循環作用會老化、硬化而龜裂，接縫也會劣化，防水性能並非永久不變；其二，材料厚度大不代表免維護。屋頂瀝青防水需要保護層，並需定期檢查保養，到達使用年限後仍需更新。\n(D) 錯誤，有兩處不符。其一，防水層不能在排水孔外截斷，否則防水層端部與落水頭之間形成縫隙，水會由此滲入樓板；應將防水層延伸捲入落水頭，與落水頭的防水翼緣搭接或壓接。其二，落水頭不宜做成平面，周邊應略為降低並做出集水坡度，使水順勢流入排水孔，平面形式容易積水。\n【記憶點】防水口訣：防水在下、面材在上；管根要高、上管入下管；落水頭要低、防水捲入孔；瀝青會老化，需保養更新。",603,1,true,[27,30,33,36,39,42],{"number":28,"session":7,"stem":29},4,"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？",{"number":31,"session":7,"stem":32},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":34,"session":7,"stem":35},6,"下圖所示之柱上裂縫，較可能的成因為何？",{"number":37,"session":7,"stem":38},8,"下圖為何種木質材料的製作流程？ ① ②",{"number":40,"session":7,"stem":41},9,"依據 CNS382R2，承重牆壁必須用一等磚，其抗壓強度至少需大於多少 kg\u002Fcm2…",{"number":43,"session":7,"stem":44},10,"若必須在鋼骨上開孔時，為確保施工品質，除必須繪製施工詳圖外，下列敘述何者最為適當？",[46,49,52,55,58],{"number":10,"session":47,"stem":48},"114180","有關「高壓輸送混凝土」何者敘述錯誤？",{"number":10,"session":50,"stem":51},"113190","下列何種防火阻絕材料不適用於建築物樓地板間之間隙？",{"number":10,"session":53,"stem":54},"112190","依據營造安全衛生設施標準，於高度 2 公尺以上施工架上從事作業時，工作臺寬度應在 4…",{"number":10,"session":56,"stem":57},"111180","有關常時關閉式之防火門之規定，下列敘述何者錯誤？",{"number":10,"session":59,"stem":60},"110180","下列何者不是木構造防火設計？",1791863206537]