compression modulus 中文意思是什麼

compression modulus 解釋
抗壓模量
  • 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。
  • modulus : n. (pl. -li ) 【數、物】模數,模量;系數。 a modulus of elasticity 彈性模量。
  1. This paper focuses on the problem of semi - infinite elastic body filled with the material which behaves differently in tension and compression. the contents include : ( 1 ) the solution of elasticity theory for the material incapable in tension is established by introducing heaviside function ; ( 2 ) the solution of elasticity theory with different modulus in tension and compression is established based on the solution of elasticity theory for the material incapable in tension and mindlin ' s solution ; ( 3 ) the solution of elasticity theory with different modulus in tension and compression is employed to analyze the stress of pile foundation ; ( 4 ) the solution of elasticity theory with different modulus in tension and compression is employed to analyze the settlement of pile foundation

    本文考慮材料的拉壓性能不同的特點,對半無限空間內部作用豎向集中力問題進行了新的研究,做了如下工作: ( 1 )引入heaviside函數,建立了不能承受拉應力材料的彈性理論解; ( 2 )基於不能承受拉應力材料的彈性理論解和mindlin解,建立了拉壓模量不同材料的彈性理論解; ( 3 )將拉壓模量不同材料的彈性理論解應用於樁基應力分析; ( 4 )將拉壓模量不同材料的彈性理論解應用於樁基沉降分析。
  2. Under the condition of immovability of the charging area of blast hole, the increase of the blast hole compression modulus not only improved fragmentation results but also decreased the blasting ground vibration because of the minishing of burden

    在不改變單個炮孔負擔面積的條件下,增大密集系數可以改善爆破效果,同時由於抵抗線減小,爆破震動也有所降低。
  3. In this research, the lime - fly - ash bound macadam was joined with steel fibers, glass fibers and polypropylene fibers with the contents of the lime, the fly ash and the macadam fixed in lab tests. the study focuses mainly on the split strength, compression strength, and modulus of compressive resilience and shrinkage property of the lime - fly - ash bound macadam enhanced by different kinds of fibers. based on the test, a detail theoretical analysis was made on the relation of mechanical property, dry shr inkage with the variety and the quantity of fibers, applying the theories of strength, dry shrinkage and the methods of statistics, curve mimesis and variance analysis

    本論文主要是研究在同一種二灰碎石混合料(石灰、粉煤灰、集料的含量及比例相同)中分別摻入不同數量的鋼纖維、玻璃纖維、聚丙烯纖維,通過室內試驗對其抗拉強度、抗壓強度、抗壓回彈模量和乾燥收縮性能與纖維摻量和纖維品種之間的關系加以分析和研究,並在此基礎上根據二灰碎石強度形成機理、乾燥收縮機理和數理統計、曲線擬合、方差分析的方法分析纖維品種和纖維數量對二灰碎石的力學性能和乾燥收縮性能的影響,最後得出纖維對二灰碎石的強度、抗壓回彈模量、乾燥收縮有很顯著的影響,並提出了相應的建議。
  4. 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。
  5. Then the judging method is proposed, and the proposed method can consider the stress history and viscosity shear strength of soft soil. in this paper, a fem program dpfbm1. 0 ( double plastic foundation beam method ( version 1. 0 ) ) is established. with this program, the influence of some parameters on foundation excavation is fully studied, the parameters include : compression modulus, cohesive strength, angle of internal ficiction, effective angle of internal friction, the embedded length of the wall and building load

    針對當前國內外彈性地基梁法存在的缺陷,基於對軟土流變性的研究,採取了剪應力判斷彈塑性狀態,以改進和完善基坑工程彈性地基梁法,推導了彈性狀態下地基反力系數的近似解,提出了採用剪應力組合判斷土彈簧彈塑性狀態的方法,編制了相應的彈塑性共同變形法分析程序dpfbm1 . 0 ( doubleplasticfoundationbeammethod ( version1 . 0 ) ) ,並採用該程序分析了壓縮模量、粘聚力、內摩擦角等參數變化對基坑工程的影響。
  6. The numerical solution of finite element for bending - compression column with different tension - compression modulus

    拉壓不同模量彎壓柱的有限元數值解
  7. By comparing difference in compression modulus before and after grouting and detection of seismic waves, the authors concluded that the seismic wave method is a good method for detecting effects of grouting in highway slopes

    通過對坡體在灌漿前後彈性參數的對比分析,說明用地震波法檢測公路邊坡灌漿加固效果是一種較好的方法。
  8. In this paper, the influence of cycles of drying and wetting on strength and deformation are studied by means of routine direct shear apparatus, triaxial apparatus and light consolidation apparatus which include : the influence of force of constraint on strength, the total stress strength of expansive soils with different saturation degree, the influence of cycles of drying and wetting on the total stress strength, the relation between saturation degree and compression modulus and that between saturation degree and void ratio, the influence of cycles of drying and wetting on the effective stress strength, the relation between saturation degree and generalized suction

    本文利用常規直剪儀、三軸儀以及輕便固結儀,分別對非飽和膨脹土的強度和變形特性以及干濕循環對強度和變形的影響進行了一系列的試驗研究。以飽和度、干濕循環次數為變量,分別探求了外力約束對膨脹土強度的影響,不同飽和度膨脹土的總應力強度特性,干濕循環對非飽和膨脹土總應力強度的影響,飽和度與壓縮模量以及孔隙比的關系,干濕循環對飽和膨脹土有效應力強度指標的影響,廣義吸力與飽和度的關系,建議了一組計算非飽和膨脹土變形及強度特性的經驗公式。
  9. Based on the previous theoretical analysis, two practical projects of pile - raft foundation of high - rise building on soft ground are studied by using the software of pile - raft foundation interaction analysis program pogap. the choice of standing layer for pile, the rational compression modulus of soil under pile, the place of pile and the space between piles, and the reasonable thickness of plate are analyzed, some well - regulated conclusions can be achieved. an experiential equation for choosing the optimal thickness of plate is also given

    根據以上分析,結合兩個軟弱地基上高層建築樁筏基礎的工程實例,利用浙江大學巖土工程研究所編制的pogap樁筏基礎共同作用分析軟體,就樁端持力層的選擇,樁端下臥層壓縮模量合理選值,樁位及樁間距的確定,筏板厚度的合理取值等問題展開分析,得出了一些規律性的結論,提出了筏板最佳板厚取值的經驗公式。
  10. 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。
  11. Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled

    ( 2 )利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究,通過分析正弦荷載作用下的試驗資料,驗證了粉土的孔隙水壓力增長模式的合理性;從微分方程推導了基於土體振動臺模型試驗的相似律,並從模型實體、孔壓時程曲線和相似律等方面做出了分析,得出了如下結論:在小型振動臺試驗中,模型箱中的粉土都發生了液化,液化的時刻和輸入加速度幅值有關,而對頻率的變化不太敏感;粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化;孔壓的增長曲線形狀與施加的荷載有關:當施加荷載為由小到大的形式時,曲線形狀為上凹的曲線;當施加荷載為等幅的正弦荷載或荷載幅值由大到小時,曲線形狀為上凸的曲線,且逐漸趨于穩定。
  12. Method for determination of the modulus of elasticity in compression perpendicular to grain of wood

    木材橫紋抗壓彈性模量測定方法
  13. ( 1 ) systematic triaxial compression tests are made for the sand reinforced by various national geosynthetics. comprehensive investigations into the interaction characteristics are also made between sand / lime fly ash and various national geosynthetics by direct shear tests and pull out tests, which can help choosing geosynthetic type and understanding the geosynthetic reinforcement mechanism ; ( 2 ) this paper is also firstly systematically presents the results of a comprehensive investigation into the interaction characteristics between lime fly ash and various national geosynthetics ; ( 3 ) by non - linear fem, the influence of the modulus of geosynthetics, the thickness of the soft ground and the width of the foundation on the effectiveness of geosynthetic reinforcement are also studied ; ( 4 ) the main conclusions are as followed : ( geotextiles are likely to be suited for projects allowing high displacement, polyester warp knitting geogrids and oriented geogrids for projects allowing medium displacement, glass fiber geogrids for projects allowing low displacement and geonets for secondary projects. ( the confining effect of fill material to act on different kinds of geosynthetics varies largely, which must be considered

    ( 1 )本文利用三軸壓縮試驗,比較各種國產土工合成材料對砂土的加筋效果;利用直剪試驗和拉拔試驗,比較各種國產土工合成材料與砂土或石灰粉煤灰的界面摩擦特性,深入研究土工合成材料的加筋機理,首次明確提出加筋土工合成材料的選型原則; ( 2 )本文首次系統地研究了石灰粉煤灰與各種國產土工合成材料的界面摩擦特性; ( 3 )本文採用有限元法,系統研究了加筋模量、軟土地基厚度、基礎寬度等因素對土工合成材料加固軟土地基效果的影響; ( 4 )本文主要結論如下: (無紡土工織物適合用於允許大變形的加筋土工程;滌綸纖維經編土工格柵和塑料拉伸土工格柵適合用於對變形有較嚴格要求的加筋土工程;玻璃纖維經編土工格柵適合用於對變形有嚴格要求的加筋工程;土工網適合用於低等級的加筋土工程。
  14. ( 3 ) design the fast calculation of modulus of 16 bit fix - point complex number and time logic of pulse compression system based on fpga ( ep1k100qc208 )

    ( 3 )基於fpga ( ep1k100qc208 )的16位定點復數的快速求模設計及系統時序和控制邏輯設計。
  15. Determination of static modulus of elasticity under compression of autoclaved aerated concrete or lightweight aggregate concrete with open structure

    敞形結構高壓蒸養加氣混凝土或輕集料混凝土受壓靜態彈性模數測定
  16. Practices show that the compressive strength, the modulus of elasticity, the permeability coefficient and the compactness of concrete obtained respectively by the compaction method, the unconfined compression static compaction method, the sand trenching and filling method, and nuclear densimeters meet the requirement of design, and the mixing proportion of concrete of the side - wall is reasonable

    實踐證明施工中用擊實法、無側限抗壓靜力壓實法、挖坑灌砂法及核子密度儀分別檢測出的邊墻混凝土抗壓強度、彈性模量、滲透系數和密實度值均滿足設計要求,邊墻混凝土配合比合理。
  17. The results demonstrate that the theory predicted values of compression, bulk modulus, linear expansion, and thermal expansive coefficient of compressed solids are very agreement with the corresponding experimental data. in summary, the error with respect to theory prediction and its causes are pro bably analyzed in detail. the discussion suggests that the function of the phenomenological short - distance repulsive force constant a ( v ) and approximation for anderson - griineisen parameter 5t ( v ) proposed in this paper are valid and applicable in high pressures ( up to loogpa ) and high temperatures ( from debye temperature 0d to melting temperature tm ) for many types of solids

    在本文最後一節,為了驗證固體在等壓過程中anderson grhneisen參量乓與體積膨脹的唯象假設:乓久w兀的有效性,及由此假設而推導出來的等壓態方程的廣泛應用性,本論文主要針對十六種堿金屬鹵化物、三種堿性氧化物、三種硅酸鹽礦物質的線膨脹八n 、體積熱膨脹v vo ( n 、熱膨脹系數a ( n 、體積彈性模量肘d等隨溫度的變化作了理論上的預測,且與相應的實驗數據作了比較與分析
  18. If asphalt concrete specimen is in stabilization by exert confining stress before the static triaxial test, it is then found that under the condition that time is long enough, the volume of the specimen will shorten gradually and stable around a fixed value, and the amount of compression is essentially the half of the volume of void itself. it is also found that in stabilization by exert confining stress the linear phrase will be shorten in the figure of the static triaxial test of specimen, while the initial tangent modulus will be augment. 3

    在進行靜三軸試驗以前先對瀝青混凝土試件進行圍壓穩定,發現在時間足夠長的條件下,試件的體積會逐漸縮小,並逐漸穩定在某一定值,其壓縮量基本上為其本身孔隙體積的一半;經圍壓穩定后的試件靜三軸試驗曲線上的線性階段明顯縮短,而初始切線模量增大。
  19. The working stress of the rc compression member in existing structures can be calculated through measuring strain change before and after drilling the hole, determining the compressive strength and elastic modulus of concrete through the drilled sample and combining the calculating results of the finite element method

    該方法通過測試鉆孔前後孔邊應變的變化,利用鉆取的芯樣推定混凝土的抗壓強度和彈性模量,再結合有限元計算分析,得到已建結構中鋼筋混凝土受壓構件的工作應力。
  20. The experiments show all the compression strength shear strength, elastic modulus of the composite blocks and their masonry can satisfy the requirements of standard compared to concrete, the haojiao materials elastic modulus is so low that we ignore it ' s improvement to the composite block ' s compression strength. however the area of horizontal mortar joint of composite block masonry is enlarged just because of the haojiao materials " existence, so the shear strength of composite block masonry is higher than one of small hollow betonblock masonry in thermal performance, the heat - preservation and heat - insulation capabilities of composite block masonry are analyzed and researched

    試驗表明:復合砌塊及其砌體的抗壓、抗剪強度、彈性模量等均滿足規范規定的要求;由於昊角材料與混凝土相比,彈性模量相差懸殊,在受壓時,可以不考慮昊角材料芯塊對復合砌塊及砌體抗壓強度的提高,同時又因為昊角材料的存在,砌體水平灰縫面積增大,復合砌塊砌體的抗剪強度較空心砌塊砌體有較大的提高。
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