破裂強度指數 的英文怎麼說

中文拼音 [pòlièqiángdùzhǐshǔ]
破裂強度指數 英文
fracture intensity index
  • 破 : Ⅰ動詞1 （完整的東西受到損傷） be broken; be damaged 2 （使損壞） break; break down; damage 3 （使...
  • 裂 : 裂動詞[方言] （東西的兩部分向兩旁分開） open
  • 強 : 強形容詞（強硬不屈;固執） stubborn; unyielding
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 指 : 指構詞成分。
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 破裂 : break; fracture; burst; split; rupture; crack
  • 指數 : 1. [經] （比數） index number; index 2. [數學] exponent
  1. Analyzing the instance in roadbed and cutting engineering of underground karat hole through strength degradation, it reproduces the breaking and steady losing process of the roadbed and cutting the intensity parameter during losing steadily is gained, it has certain directive significance to the roadbed and cutting engineering

    對處于巖溶地區的地下溶洞路床路塹工程實例進行分析，通過強度折減，再現了地下溶洞路床路塹工程的破裂與失穩過程，並得出了失穩時的強度參數，對工程有一定的指導意義。
  2. The result of macro - quality experiments show : mineral admixtures markedly slow the hydrating velocity of cement slurry, decrease and delay the hydrating max - temperature, in which steel slag is more effective ; expansive agents compensate concrete shrinkage, enhance the concrete dense degree, strengthen the interfacial layer between fiber and cement matrix and improve the physical mechanics qualities of acic ; minimal admixtures markedly improve the concrete workability property, increase the concrete later intensity & density and the capability of anti - chemical attack and anti - permeability ; hybrid fiber reinforces the toughness of obviously acic by the means of anti - cracking effect of fiber with different sizes and different properties in the corresponding construction levels

    實驗結果顯示：鋼渣摻合料能顯著減緩水泥漿體水化速率，降低砂漿的水化溫升並延遲最高溫升時間；補償混凝土收縮，提高混凝土密實度，加強纖維與水泥石的界面粘結，增強混凝土力學性能，但不能明顯改善混凝土韌性。混雜纖維通過纖維的不同尺度與不同性質在相應的結構層次上產生阻裂效應，增韌鋼渣防滲抗裂混凝土；增加混凝土的破壞極限能，極大提高混凝土抗彎曲能力和韌性指數，改善混凝土脆性。
  3. On the basis of the site measurement, lab and numerical simulations, it is pointed out that there is usually a broken state zone existed around a deep excavation ; this zone has many special characteristics and is a comprehensive index to represent the action of both earth stress and rock mass strength on the stability of underground projects

    在現場實測、物理和數值模擬的基礎上，提出深埋地下工程的圍巖中普遍存在破裂狀態，並認為這一破裂狀態區域具有許多特殊的性質和規律，是一個反映地應力和巖體強度對地下工程穩定性作用的綜合指標。
  4. At first, the author has analyzed the theory, mechanism and shock - absorption in pre - split blasting, studied the rising of crack, expanding and stopping, and did various factors which influence on the crack of rock in pre - split blasting. the main factors have been determined to be the strength of mineral and rock, the diameter of drill, the type of explosive and the growth degree of crack. then, the author has researched bp neural networks " work principle, structure and defectiveness

    首先分析了巖石成縫的理論、機理和減震作用，研究了裂紋的起裂、擴展和止裂；分析了各種因素對巖石預裂爆破成縫的影響，確定了礦巖強度、孔徑、炸藥類型和裂隙發育程度作為主要影響因素；並研究了bp神經網路工作原理、結構和缺陷，把改進的bp神經網路運用在巖石預裂爆破參數設計中，建立以礦巖強度、孔徑、炸藥類型和裂隙發育程度為主要影響指標的bp神經網路的預裂爆破參數設計識別模型；運用matlab6 . 5語言開發了爆破參數設計的智能系統，實現了預裂爆破參數設計的自動化，用工程實例驗證系統模塊的功能。
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