[請益] 材料力學 組合樑
題目&答案:
https://imgur.com/a/l6QuW
我自己算出來的答案:
https://imgur.com/a/RIXrJ
想問是我哪邊觀念錯誤導致我算出來的數字是答案的兩倍
還是題目的解答有問題呢?
懇請高手幫忙解惑 謝謝!
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→
09/21 23:21, , 1F
09/21 23:21, 1F
推
09/21 23:26, , 2F
09/21 23:26, 2F
→
09/21 23:27, , 3F
09/21 23:27, 3F
→
09/21 23:27, , 4F
09/21 23:27, 4F
謝謝您 但我看不太懂
請問d大 n是鉚釘數量? s是距離d嗎?
您說的結合面數又是指?是說我的Q也算錯嗎?
推
09/21 23:29, , 5F
09/21 23:29, 5F
→
09/21 23:29, , 6F
09/21 23:29, 6F
推
09/21 23:33, , 7F
09/21 23:33, 7F
→
09/21 23:33, , 8F
09/21 23:33, 8F
推
09/21 23:35, , 9F
09/21 23:35, 9F
→
09/21 23:36, , 10F
09/21 23:36, 10F
謝謝您
想請問所以我Q乘兩倍是錯的?
我邏輯多此一舉的地方是?
既然說會瞎摸對就表示我哪邊的觀念是錯的吧
懇請賜教
→
09/21 23:48, , 11F
09/21 23:48, 11F
推
09/22 08:46, , 12F
09/22 08:46, 12F
謝謝兩位
但為何不用乘兩倍?
上下都有鉚釘不是嗎
然後Q不是看
“鉚釘作用的區塊面積” 乘上
“該區塊形心到整個截面形心的距離”嗎
請問正負號是怎麼定義的呢
※ 編輯: darkawn (42.73.246.0), 09/22/2017 12:48:16
→
09/22 12:56, , 13F
09/22 12:56, 13F
→
09/22 13:00, , 14F
09/22 13:00, 14F
→
09/22 13:03, , 15F
09/22 13:03, 15F
推
09/22 14:36, , 16F
09/22 14:36, 16F
→
09/22 14:38, , 17F
09/22 14:38, 17F
推
09/22 15:26, , 18F
09/22 15:26, 18F
→
09/22 15:28, , 19F
09/22 15:28, 19F
推
09/22 15:36, , 20F
09/22 15:36, 20F
→
09/22 15:36, , 21F
09/22 15:36, 21F
→
09/22 15:37, , 22F
09/22 15:37, 22F
→
09/22 15:38, , 23F
09/22 15:38, 23F
感謝各位大大!!
※ 編輯: darkawn (36.228.62.17), 09/25/2017 19:40:29
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