混凝土樣本 的英文怎麼說

中文拼音 [húnníngtǔyàngběn]
混凝土樣本 英文
concrete sample
  • 混 : 混形容詞1. （渾濁） muddy; turbid2. （糊塗; 不明事理） foolish; stupid
  • 凝 : 動詞1. （凝結） congeal; curdle; coagulate 2. （注意力集中） fix
  • 樣 : Ⅰ名詞1. （形狀） appearance; shape 2. （樣品） sample; model; pattern Ⅱ量詞（表示事物的種類） kind; type
  • 本 : i 名詞1 （草木的莖或根）stem or root of plants 2 （事物的根源）foundation; origin; basis 3 （本錢...
  • 混凝土 : concrete; beton; jetereting混凝土壩 concrete dam; 混凝土板 concrete slab; 混凝土標號 concrete gra...
  • 樣本 : sample book; specimen; advanced copy; sample; muster; scantling; instance; statistics
  1. Besides, this paper adopts the random finite element method, uses geometric and physical mechanical parameters that are relevant to lining weight of surrounding rock, coefficient of lateral pressure, height or buried depth of vertical loading, elastic resistance coefficients of surrounding rock, elastic modulus of support structure, unit weight of concrete, thickness of the structure as well as torsional strength and compression strength of concrete and etc., as random variables, applies the monte - carlo method to sampling by computer, preliminarily evaluates the reliability of bearing capacity and stability of molded concrete lining of the xuefeng mountain tunnel, and obtains the related displacement of the lining, mean value and variance of internal force, and computed the reliability index of lining structures

    此外，本文採用隨機有限元方法，將圍巖容重、側壓力系數、垂直荷載高度或埋深、圍巖的彈性抗力系數、支護結構的彈性模量、混凝土容重、結構的厚度以及混凝土的抗扭與抗壓強度等與襯砌結構有關的幾何與物理力學參數作為隨機變量，應用蒙特卡洛理論進行計算機隨機取樣，對雪峰山隧道模注混凝土襯砌的承載力與穩定性的可靠度進行了初步評估，得出了襯砌的相關位移與內力的均值和方差，並計算出了相應的襯砌結構可靠指標。
  2. Study on the characteristic of piezoceramic actuator is an important step in the studying of undamaged - inspection process based on piezoceramic actuator technology. this thesis firstly dwells on the sample model of piezoceramic actuator under the restriction of concrete. through theory and experimentation analysis, we arrives at a conclusion that the vibration behavior of piezoceramic actuator belongs to that of the thin plate

    本文著重研究了在混凝土約束條件下壓電陶瓷片的樣本模型，在此基礎上通過理論探討和實驗現象分析，認為埋置於混凝土中的壓電陶瓷片是符合彈性力學中克希霍夫有關薄板理論的假設，是屬于薄板振動問題，並確定了其邊界約束條件。
  3. In this paper, rebar corrosion state was judged with three electrochemical nondestructive measuring technologies, i. e. half - cell potential, a. c. impedance and time potential. when the rebar was transformed from passivation to depassivation, it can obtain the chloride ions corrosion critical content through taking and analyzing chloride ions content around the rebar

    本文利用半電池電位法、交流阻抗法和時間電位法三種電化學無損檢測技術判斷評估試件在試驗過程中鋼筋腐蝕狀況，當鋼筋由鈍化狀態轉為活化狀態時，取樣分析鋼筋周圍氯離子含量，得到了不同技術條件混凝土的氯離子臨界濃度。
  4. At present plenty of experimental study has been made on the materials and structural performance of asphalt concrete cores in the world, and the design methods and construction technique as well as equipments have been more mature. however, there is still lack of the research of its basic performance. in this thesis, in combination with the actual project, the experimental study has been employed with the field core specimen and the specimen made in laboratory, mainly include the static triaxial test, confinement pressure stabilization test and stress relaxation test

    目前，國內外對瀝青混凝土心墻的材料和結構性能已進行了一些試驗研究，其設計方法、施工工藝和設備較為成熟，但其基本性能研究方面顯得較為薄弱，本文結合實際工程對瀝青混凝土心墻的芯樣和試驗室成型的試件進行了試驗研究，主要包括靜三軸試驗、圍壓穩定試驗以及應力鬆弛試驗研究，得到以下基本結論： 1
  5. While many theories concerning damage forecasting were put foreword, a different model of damage forecasting based on fuzzy probability will be presented in this paper. and it is reasonable to describe a variable like weight coefficient with fuzzy theory. in the end, the validity of the model is demonstrated well in the applications of one - storied brick bent frame column factories, one - storied reinforced concrete column factories, multistory masonry buildings

    國內外不少專家學者或研究單位先後提出了各種震害預測方法，本文在此基礎上，利用模糊理論，提出了模糊概率的震害預測模型，其模型能夠把兩類不確定性（一類是隨機上的，另一類是模糊上的）有機結合起來，而且對于權重這樣一個充滿著模糊性的變量，用模糊語言來處理是非常合理的；並應用於對單層磚排架柱廠房、單層鋼筋混凝土柱廠房以及多層磚房的震害預測，實踐證明此方法是比較精確的。
  6. Secondly the author ' s study are introduced in this paper. the author study mainly the linear static and dynamic, elastic - plastic static and dynamic problems of cfst arc - bridge. firstly, the author establish the linear static equation on the based of the rigid equation of element by qr - method, and then analysis the inner force of arc bridge, establish the linear dynamic equation and elastic - plastic rigid equation and dynamic equation, then solve respectively the elastic - plastic rigid and dynamic equation by the method of repeated increment and no limit stabilization, arithmetic

    本文主要研究大跨度鋼管混凝土桁架拱線性靜力問題和線性動力問題以及彈塑性靜力問題和彈塑性動力問題，先利用qr法按照梁單元的剛度方程建立桁架拱的線性靜力方程，進行桁架拱內力分析，建立桁架拱線性動力方程、彈塑性剛度方程及彈塑性動力方程，然後利用增量迭代法及樣條無條件穩定演算法分別求解彈塑性剛度方程及動力方程。
  7. In order to simulate the construction process and the effect of concrete pouring temperature and outside temperature on temperature field and thermal stress field in the dam, temperature field and thermal stress field are calculated layer by layer. the calculation step during construction is 0. 25 day, and during operation the diffusion of hydration heat of concrete is over and elastic modulus is basically stable, changeable step is used

    為了研究施工進度、混凝土澆築溫度、外界溫度對壩體溫度場和應力場的影響，按碾壓混凝土施工方法每澆築一層（層厚0 . 3m ，澆築時間6小時）計算一次溫度場和應力場，這樣，施工期計算步長為0 . 25天，運行期因混凝土水化發熱已結束，且彈模基本穩定，故採用變步長計算。
  8. Specifically, according to the w - w five parameters failure theory, the fracture criterion of crack is established, and the state of crack ( open or close ) is judged by the values of the crack strain. combining the two points, the predict - model about the failure of concrete material is established. this predict - model can predict 16 failure forms, and basing the different failure form predicted after crack, the stress - strain relationship matrix of concrete material is adjusted

    具體來講，根據w - w的五參數混凝土破壞理論，建立混凝土的開裂準則，根據開裂應變值來判斷裂縫是張開還是閉合，從而在兩者基礎上建立了裂縫的開裂預測模式，總共有16種開裂模式；裂后根據具體的開裂模式及殘余抗剪能力來調整混凝土的本構關系矩陣，即用等效剛度代替原有剛度，考慮到垂直於裂縫方向的剛度為零，這樣會使裂后的總剛出現病態，為此文中通過引用鬆弛系數來對出現裂縫的單元進行預處理，一方面可解決因過大的舍入誤差導致計算結果的不可信問題，另一方面就是可加速收斂。
  9. Saturated core sample concrete

    飽含水分混凝土芯樣本
  10. At the same time, a comparison with united states lrfd code, european ec4 code and china gjb rules has progressed. for guiding engineering practice, the paper arranges different thick steel pipe and different strength concrete and draws a conclusion of the best combination. for the subject of house, the paper studies the form of this kind of special combination beam named flat beam for big space

    本文根據冷彎薄壁方鋼管混凝土柱的特點，探討了方鋼管各板件全截面有效的條件，同時對研究鋼管混凝土較為詳盡的美國lrfd規范、歐洲ec4規范和我國gjb規程做了對比分析；為指導工程實踐，文章對不同壁厚的鋼管和不同強度的混凝土進行了搭配，進行了性價比的比較；結合多層住宅這樣一個研究對象，為獲得大空間，本文探討了扁梁這種特殊的組合梁形式。
  11. Standard test method for fundamental transverse, longitudinal, and torsional frequencies of concrete specimens

    混凝土試樣的基本橫向縱向和扭轉振動頻率的標準試驗方法
  12. Thirty roots of precast reinforced concrete piles and bored and cast - in - place piles in xi ' an had been trained with this model, and nine roots o f precast reinforced concrete piles and eight roots of cast - in - place piles had been predicted by simulating. when contrasted and analyzed the predicting result and actual numerical value, the error is always less than 20 % ( mostly within 15 % ), which has achieved a better result

    利用該模型對西安地區鋼筋混凝土預制樁、鉆孔灌注樁各30根作為樣本進行了訓練，並分別對9根鋼筋混凝土預制樁和8根鉆孔灌注樁進行了模擬預測，將預測結果與實測值進行了對比分析，其誤差都在20以內（大部分在15以內） ，取得了較好的結果。
  13. Testing concrete in structures - part 1 : cored specimens - taking, examining and testing in compression

    結構內混凝土測試.第1部分:芯樣本.壓縮取樣檢驗和試驗
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