compression index 中文意思是什麼

compression index 解釋
地基應力和變形壓縮指數
  • compression : n. 1. 壓縮;壓緊;濃縮,緊縮。2. 加壓;壓抑。3. (表現的)簡練。4. 應壓試驗。
  • index : n (pl es dices )1 索引。2 指標,標準,標志。3 示[食]指 (=index finger)。4 指數。5 【印刷】指...
  1. The appropriate maximum stories and the appropriate maximum height of buildings are determined by using the various of control index, such as period, shear - compression ratio, allowable value of drift angle etc when earthquake fortification intensity is 8 degree

    用各項控制指標,如周期、剪壓比、軸壓比、層間位移角等進行對比分析,給出在8度區該結構的最大可建造層數和最大適用高度。
  2. 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。
  3. Lastly, the minimum permission reliability index is offered by the method of " calibration method " which makes back calculation out of the bending resistance reliability and the compression resistance reliability of the reinforced concrete member in norm

    最後,根據「校準法」反演計算現行設計規范中鋼筋混凝土結構抗彎、抗壓可靠度指標以確定在用橋梁結構體系的最低目標可靠度指標。
  4. The result indicates that in the case of constant content of asphalt, marshall stability, compression strength, rupture strength, compression modulus and rupture modulus of cement emulsified asphalt concrete would increase along with the increase in cement content ; in the case of constant content of cement, these index values would decrease along with the increase in asphalt content ; while with the increase of coarse aggregate, rupture strength and rupture modulus of the concrete would increase conspicuously, yet compression strength and compression modulus would have a little change

    試驗結果表明:在乳化瀝青含量不變時,隨著水泥用量的增加水泥乳化瀝青混凝土的馬歇爾穩定度、抗壓強度、抗折強度、抗壓回彈模量、抗折回彈模量隨之增加;在水泥用量不變時,隨著乳化瀝青用量的增加相應的力學指標呈降低趨勢;礦料級配中粗集料含量增加后,混合料的抗折強度和抗折回彈模量有明顯增加,但抗壓強度和抗壓回彈模量變化不大。
  5. The result shows that the plasticity index and the compression coefficient of the northern inshore saline soil reduce with the increase of the salt content, and the shear strength attains a limit value with the increase of the salt content

    結果表明,北方濱海地區鹽漬土的塑性指標、壓縮系數隨含鹽量的增加而降低,抗剪強度隨含鹽量增加出現一含鹽量界限值。
  6. And the axial compression ratio index of l, t - shaped columns considering section dimensions is given

    給出了考慮l 、 t形柱截面尺寸的軸壓比限值。
  7. In the light of its special property being not easy to gain strength, through mechanics researches on different methods to stabilize this kind of low _ liquid _ limit silty soil as subbase material, evaluated both technically and economically, we have got a cement lime stabilization plan to meet the index requirements for non _ side _ limit strength of compression of subbase of class2 road stipulated in the specification ; by means of improving the workmanship, thickening the loose layer of soil, adding soil on covering weave fabric before compaction, such problems can be solved as very poor compaction, loose surface during compaction, roughness and unevenness, coats of layer and shear damages

    本文針對黃河沖積而成的低液限粉土其粘粒含量極低、土的不均勻系數很小、膠體活性差的工程特性,通過採用不同方法穩定該類土作底基層材料的力學性能研究,從技術、經濟角度綜合評價,得到滿足規范抗壓強度指標要求的水泥石灰穩定方案。通過對原材料、試驗配合比設計、施工、等方面進行優化,從而顯著減輕了基層的早期及長期縮裂程度,從而提高了路面的耐久性。
  8. The sedimentation compression lines, intrinsic compression lines can be normalized by a void index, then the difference of the structural clays and reconstituted clays are showed

    天然粘土的沉積壓縮曲線、重塑土的壓縮曲線可以用孔隙指數來歸一化,它清晰地顯示出結構性土和重塑土的內在差別。
  9. The study shows that besides boundary conditions, the factors influencing the nonlinear consolidation behavior of soils are the compression index cc, the permeability index ck, the level and the rate of loading, and the thickness of soil, etc. in nonlinear consolidation, especially for layered soils, the average consolidation degree defined by settlement, us is greater than the one defined by effective stress, up, i. e., the rate of the development of settlement is greater than that of the dissipation of excess pore water pressure

    研究表明,除邊界條件外,影響軟土地基一維非線性固結性狀的主要因素是壓縮指數c _ c 、滲透指數c _ k 、荷載大小與加荷速率、土層厚度等。對于非線性固結,特別是成層地基,按沉降定義的平均固結度u _ s大於按有效應力定義的平均固結度u _ p ,即沉降發展速率要快于超靜孔壓消散的速率。
  10. The sedimentation compression lines of natural clays, intrinsic compression lines of reconstituted clays and oedometer compression curves can be normalized by a void index, then the difference of the structural clays and reconstituted clays as well as the gradual damage course of soil structure are showed apparently

    用孔隙指數來歸一化天然粘土的沉積壓縮曲線、重塑土的壓縮曲線和固結儀壓縮曲線,可以很清晰地揭示出結構性土與重塑土的內在差別、固結儀試驗中土體結構性的漸進破壞過程。
  11. There are two parts of the bandwidth use, one is for media data, which can be reduced by effective compression, the other is for controlling information, which is essential to streaming media technology. as the latter occupies too large a part of the bandwidth use, streaming avi files is not practical. the thesis puts forth a system solution to the problem by cutting the index in the controlling information

    媒體流的帶寬佔用分為兩部分:一部分是多媒體數據,此部分主要通過視頻壓縮來控制;另一部分是傳輸、播放控制信息,此部分是實時數據流生成時需要加入的信息,但它佔用帶寬過多造成了avi流媒體實用價值不高,對此本文提出通過去掉avi播放信息中索引項來解決。
  12. Based on the new model, the influences caused by soil structure, apparent preconsolidation pressure, the re - compression index, the coefficient of secondary compression, the magnitude of loading, the coefficient of permeability, the rate of loading, the thickness of clay, the self - weight, the layered property etc, in the process consolidation of soil with structure, are analyzed in detail. the difference between the present model and yin & graham model was also given

    基於本文新建模型,分析論述土結構性、表觀前期固結壓力、再壓縮系數、次固結系數、荷載增量大小、滲透系數、加荷速率、固結層厚度、自重應力隨深度變化和土體成層性等對土固結的影響,比較本文模型與yin & graham模型的異同,闡述土結構性和流變性對軟土固結壓縮行為的影響。
  13. The research and contribution in detail are introduced as follow : ( 1 ) the driver characteristics > motor vehicle characteristics, road characteristics, macroscopic and microscopic flow parameters are analyzed. a new traffic flow continuum hypothesis is proposed. the compression index and elasticity coefficient are defined

    具體工作如下: ( 1 )綜合分析了交通流中駕駛員的交通特性、車輛的交通特性、道路的交通特性、交通流的宏觀參數和微觀參數,提出了新的交通流連續性假設,定義了衡量交通流壓縮性的壓縮系數和彈性系數,分析了各種速度-密度模型所對應的壓縮系數。
  14. Laser interferometer systems provide a means for probing the refractive index of transparent specimens subjected to dynamic compression. previous interferometer measurements of optical properties under shock loading are reviewed

    在國內首次分析利用加窗visar技術測試沖擊載荷下晶體折射率的理論,並建立了實驗測試技術與系統,對小於20gpa沖擊壓力下的lif晶體折射率進行了測量。
  15. In order to satisfy the character of embedded gis which has large amount of data, and strict requirement of real time response, real time compression is offered in the file system. also a build in index for gis data which can enhance the performance is also fulfilled in the file system

    為滿足嵌入式gis系統數據量大、實時性要求高的特點,本文在文件系統內部實現實時文件壓縮;為gis數據提供了文件系統級的數據索引,從而增加對gis數據訪問的效率。
  16. The research area covered by the thesis includes embedded system design, hardware infrastructure of embedded gis system, architecture of nand flash, error detect code / error check code and there algorithm, journal file system, gis file index, wear leveling for nand flash, file system page cache and write delay, dynamic compression in file system etc. first, the thesis first analysis the embedded gis status in quo, technology background, difficulty it facing

    本文研究領域涉及嵌入式系統開發、嵌入式gis系統軟硬體框架、 nand晶元體系結構、差錯檢測差錯校驗( edc ecc )演算法、日誌文件系統、文件索引、晶元擦寫平衡、文件系統頁面cache與延遲寫技術、文件系統實時壓縮等技術。
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