易沉陷路基 的英文怎麼說

中文拼音 [chénxiàn]
易沉陷路基 英文
yielding foundation
  • : Ⅰ形容詞1. (容易) easy 2. (平和) amiable Ⅱ動詞1. (改變; 變換) change 2. (交換) exchange Ⅲ名詞(姓氏) a surname
  • : Ⅰ動詞1 (沉沒; 墜落) sink 2 (沉下 多指抽象事物) keep down; lower 3 [方言] (停止) rest Ⅱ形容...
  • : Ⅰ名詞1 (陷阱) pitfall; trap2 (缺點) defect; deficiency Ⅱ動詞1 (掉進) get stuck or bogged do...
  • : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
  • 沉陷 : 1. (下陷) sink; cave in 2. (沉降) sinkage; downpunching; depression; subsidence; [建築] settlement
  • 路基 : bed; roadbed; subgrade; substructure
  1. The several ones that have more lager sensitivity to embankment settlement are found out. then, aimed at the traditional three - layer bp network ' s shortages : easily getting into local minimum value and slow convergence, the modification combined momentum method with self - adaptation study velocity is made, and one improved bp network is put forward. finally, according to the results from above sensitivity analyses, the nonlinear model main parameters of each natural layer in roadbed are approximately rectified using the improved bp network technology founded on its stronger nonlinear mapping capacity and the settlement measurements

    採用非線性有限元程序,對鄧肯-張模型中8個參數與降的關系進行了詳細分析,找到了影響降的主要參數;接著,針對傳統的三層bp網具有收斂速度慢、入局部極小點等不足,對其進行了修正,提出了改進的bp神經網模型;最後,根據上述靈敏度分析結果,於改進的bp網模型較強的非線性映射能力和前期降實測資料,對中各天然土層的非線性模型主要參數進行了反分析修正; ( 4 )降計算一維法中考慮應力歷史、側向變形的研究。
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