頂板壓力拱 的英文怎麼說

中文拼音 [dǐngbǎngǒng]
頂板壓力拱 英文
roof pressure arch
  • : i 名詞(人體或物體的最上部) crown; peak; top Ⅱ動詞1 (用頭支承) carry on the head 2 (從下面拱...
  • : Ⅰ名詞1 (片狀硬物體) board; plank; plate 2 (專指店鋪的門板) shutter 3 [音樂] (打拍子的樂器) ...
  • : 壓構詞成分。
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : Ⅰ動詞1 (兩手相合 臂的前部上舉) cup one hand in the other before the chest 2 (環繞) encircle; ...
  1. The principal stress value arised alteration, the magnitude of stress closed to 25 ~ 32mpa, its influence scope was within the scope outside of tunnel opening 10 ~ 15 meter, maximum tense focused at vault and middle of floor about half meter. shearing stress focused at corner of vault and wall, always been sheared

    主應量值也發生了較大改變,可達25 32mpa ,其影響范圍在隧道邊墻外10 15m ;拉應集中在和底中部約0 . 5m范圍內,最大可達10mpa ;在腰和墻腳常為剪應集中區,易發生塑性剪切破壞。
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