摩阻強度 的英文怎麼說
中文拼音 [mózǔqiángdù]
摩阻強度
英文
frictional strength-
Secondly, detailedly analyzing reasons inducing these problems, author finds it is that not thinking of the slope of pipeline and the friction in the process of producing water hammer pressure functions, but, thinking of the effect of the slope of pipeline in the process of producing the consequent water hammer calculative continuity function, which results in the inconsequent illogicality in the whole process of producing
接著,對這些問題存在的原因進行了詳細分析,發現在當前推導水擊壓強公式的過程中沒有考慮管道的傾斜度和摩擦阻力的影響,而在後面水擊計算的連續性方程的推導過程中則考慮了管道的傾斜度,這就導致了在當前連續性方程的整個推導過程中前後矛盾的不合理現象。( 2 ) increasing of wind is mainly induced by shf and affecting of lhf is very little. ( 3 ) effect of terrain increases ground rough and tonsure of terrain press and fiction correspond enhance frictional damp effect
( 3 )地形作用相當于增加了地面粗糙度,地形壓力梯度項與摩擦項地疊加,相當于使摩擦阻尼作用增大,地形強迫作用使下邊界層從上至下風速減小,風向向左偏轉。By the check - out, inspection and measurement to start construction the industrial art to this test pile with the examination between stake body mass and bearing power, made sure the stroke reasonable operation method drilling under the dissolved cavern geology term ; the pier foundation loading test expressed the lading and rub the lading that resistance drag a glazing for of relation, and to the borehole cast - in - place concrete pile in the karst terrain deliver with break the mechanism, the characteristic of bearing power, proceeding the spot test job of the full of result ; the test data expresses the stake side friction resistance to rises with a bat batch terminal friction resistance very important function, the of tip of pile resistance drag occupies the proportion very few
通過對本次試樁施工工藝的檢測和樁身質量及承載力的檢驗,確定了沖擊鉆在溶洞地質條件下的合理使用方法;基樁承載實驗表明了荷載與摩擦阻力之間的關系,並對巖溶地區的嵌巖灌注樁的荷載傳遞和破壞機理、承載力特性,進行了富有成果的現場測試工作;試驗數據表明樁側摩阻和支盤端阻起很重要的作用,樁端阻力所佔比例甚少。這與設計樁基時的計算模式相差很大,承載力也較設計增加;使用力學數值分析方法和有限單元法,對鉆孔灌注樁樁端下的巖體強度和結構穩定性方面進行模擬計算和定量研究。In consideration of the soil arch effect between anti - slide piles, a calculation formula for the anti - slide pile spacing was developed, taking the following factors as the controlling conditions - the static equilibrium equation of the frictional resistance and adhesive force between the side of piles and slope soil, which sustains the thrusting force of the landside, and the strength conditions at the medial cross - section and two end sections of soil arch
摘要考慮抗滑樁樁間土拱效應,以樁側與邊坡土體間的摩阻力及黏著力承擔滑坡推力的靜力平衡條件和土拱跨中與拱腳處截面的強度條件共同控制,建立了抗樁間距的計算公式。To solve the problem of the maximum running depth of coiled tubing, the maximum tensile condition, frictional condition and buckling condition should be satisfied
在油田使用連續油管柱作業中,求解連續油管的最大下入深度問題時,必須滿足最大抗拉強度條件、摩擦阻力條件和屈曲變形條件及其確定的方法和原則。Abstract : to solve the problem of the maximum running depth of coiled tubing, the maximum tensile condition, frictional condition and buckling condition should be satisfied
文摘:在油田使用連續油管柱作業中,求解連續油管的最大下入深度問題時,必須滿足最大抗拉強度條件、摩擦阻力條件和屈曲變形條件及其確定的方法和原則。The friction coefficient, critical vertical loads and critical frictional resistance strength have been worked out by means of the pullout tests under the different vertical loads, analysis of frictional characteristics between soil and material and analysis of the different work mechanism between direct shear test and pullout tests. the creep characteristic parameters of some typical reinforcement materials have been obtained by the creep tests under the loads for a long time and the rheological analysis
對幾種典型筋材在不同法向荷載下進行了拉拔試驗,並進行了筋材與土介質的界面摩擦特性分析,直剪試驗與拉拔試驗不同機理分析,找出了影響摩擦特性試驗結果的主要因素;得出了筋材在工作荷載階段的摩擦系數、臨界法向中南大學博士學位論文荷載和臨界摩阻強度。The thesis also discusses the residual strength after slippage. based on this, the author establishes the analytics of load - settlement of super - long piles in homogeneous soil with the account of shaft resistance degradation and extends to layered soils
根據工程實際測試結果,提出了發生樁土滑移的樁頂沉降的臨界值為0 . 01d 0 . 02d ,並對發生滑移后樁側土摩阻力殘余強度的確定進行了探討。Since traditional certainty methods have some instinct limitations, this paper comprehensively considers the uncertainty of the friction strength value between the nail and soil, the strength factor of soil, and so on. after dealing with the factors and their relation, the reliability of the soil - nail retaining structure is analyzed and its calculating formula is educed
鑒于傳統的確定性分析方法的局限性,本文綜合考慮了土釘與土體之間的界面摩阻力強度值及土體強度參數等的不確定性,經過對各參數及參數間關系的處理,對土釘支護結構的內部穩定性進行了可靠度分析,得出可靠度的計算公式。Since traditional certainty methods have some instinct limitations, on the basis of author ' s design practice of many years, this paper comprehensively considers the uncertainty of the friction strength value between the nail and soil owing to construction. the force analysis, entire stability, inner stability and outer stability of the soil - nail retaining structure is analyzed in reliability, and then the convenient design method of soil - nail retaining is obtained
鑒于傳統的穩定性分析方法的局限性,本文結合多年的工程設計實踐,綜合考慮了土釘與土體之間的界面摩阻力強度值由於施工的不確定性,對土釘支護結構的土釘受力分析、土釘體整體穩定、內部穩定、外部穩定性進行了可靠度分析,得出一套簡單實用的土釘支護工程設計方法。At the end of the chapter 3, the advantaged effect of radial dilatation of tail grout to friction intensity is simply analyzed according to the reciprocal theorem of work
另外,運用功的互等原理簡單分析了尾部灌漿體徑向擴張對提高桿側摩阻強度的貢獻。The paper draws some valuable conclusions : the limited bearing capacity of manual excavation filling pile is much higher than the limited bearing capacity of machine drilled filling pile ; through grouting injection around the pile shaft, the pile bearing capacity can be effectively improved ; proportion of resistance force around the pile side in total load is much larger than that of pressure on the pile tip, and the intensity of resistance force around the pile side is 30 - 50kpa on average
得出一些有價值的結論:人工挖孔灌注樁的極限承載力明顯高於鉆孔灌注樁的極限承載力;地下水位對樁基承載力有顯著影響;利用樁側注漿可有效提高樁的承載力;樁側摩阻力所佔總荷載的比例遠大於樁底壓力,樁側土的摩阻強度平均值為30 50kpa 。分享友人