stress formula 中文意思是什麼
stress formula
解釋
應激形式-
The calculation modes of the coefficient of shrinkage and creep of the bulgy core concrete in steel tube are discussed. based on a few reasonable hypotheses and the stress - strain relation of concrete acquired by the " adjusting valid modulus depending on load time " method, a compact formula is reasoned out, which is applied to calculate the equivalent elastic modulus of the bulgy core concrete considering the affection of shrinkage and creep. so, the analysis of the affection on cfst arch bridge by shrinkage and creep can be progressed by pole - girder fem, further more, the analysis precision is quite high
本文還對核心膨脹混凝土特殊的收縮、徐變系數計算模式展開了探討，在合理的假設前提下，採用「齡期調整的有效模量法」得到的混凝土的本構關系，推導出鋼管內核心混凝土在考慮徐變影響后的等效彈性模量計算公式，並以此為基礎採用桿系有限元方法來對鋼管混凝土拱橋進行較高精度的收縮徐變分析。 -
The main contents are as follows. ( 1 ) filter cloth and the surrounding soil mass are taken as an approximate isotropy in horizontal section, the relationship of stress and strain is studied, the anisotropy is fully considered, the constitutive model of filter cloth reinforcement fly - ash compound is obtained, it is tested with numerous indoor experiments. ( 2 ) the permeable coefficient is introduced into the constitutive relationship of soil mass with relevant seepage theory ( kozeny - carman experience formula ). the test of filter cloth depositing hi the condition of long term seepage flow is done hi the dissertation, the varying regular of permeable coefficient without pressure is presented
本文首先對國內外的研究現狀作了回顧和總結，然後主要針對土工織物加筋粉煤灰復合體的本構關系和計算理論進行研究，主要內容有： （ 1 ）將土工織物和周圍土體視為一種近似的彈性非線性橫觀各向同性體，研究它的應力應變關系，充分考慮它的各向異性，得到土工織物加筋粉煤灰復合體的本構模型，然後通過大量室內試驗進行分析驗證； （ 2 ）引入有關滲流理論，即柯茲尼-卡爾曼（ kozeny - carman ）經驗公式，將滲透系數引進到土體本構關系中。 -
It make the principle formula become simpler and more practical. by the attenuation regulation and distributing character of stress wave under the linear charge blasting, the paper bring forward the idea that the columniation stress wave can be regarded as cylinder stress wave, the end stress wave as spherical wave. the perfect stress attenuation formula in radical direction is established in complete elastic medium
根據條形藥包爆破應力波分佈特徵及衰減規律，提出了可將條形藥包爆破柱部應力波當作柱面波、端部應力波當作球面波處理的研究方法：建立了理想的完全彈性介質中球藥包和條形藥包爆破徑向應力衰減方程。 -
On this foundation the article inducts in detail the method which is based on the relative settlement of calculating unit area end support ( qb ) force at the same time considering the feature of pedestal pile ' s " arch effect " the article introduces conception of pile effective length and finally obtain t he formula of calculating man - made pipe with bulb - shaped axial carrying capacity. the article uses marc program to calculate and analyze foundation soil ' s stress and displacement and gets the change curve chart and the proportion that is shared by king - pipe side soil friction resistance and pipe end counterforce respectively. the article inducts the structure of pedestal in detail on the basis of generalizing pedestal application cases of many countries
在此基礎上論文詳細歸納了以相對沉降為依據確定單位面積端承力q _ b的計算方法，並考慮擴底樁的「拱效應」特點引入了有效樁長的概念，最後結合公路規范推出了比較實用的人工挖孔擴底樁軸向承載力計算公式。論文運用了marc程序對地基土的應力和位移進行了有限元數值計算分析，得到了地基土的應力和位移場的變化曲線和在加載過程中樁側土摩阻力和樁端反力各自所承擔的比例；本文還在總結各國挖孔擴底樁應用情況的基礎上就擴底樁的構造進行了詳細的歸納。 -
The whole tension strength of steel fiber reinforced self - stressing concrete is a combination of tension strength of matrix and the self - stress value ; the strain of knee point is defined to 500 10 ^ ( - 6 ), and a formula for stress of knee point is suggested
鋼纖維自應力混凝土抗拉強度為混凝土基體的抗拉強度與自應力值之和；曲線下降段拐點的應變定義為500 10 ^ （ - 6 ） ，並提出拐點應力計算公式。 -
On the basis of this, the paper makes a great deal of calculation and analysis in this part, different parameters " effect and stress gradient are included. local buckling coefficient and the efficient width calculated formula are provided and look forward to take a reference to the redaction of the specification
本文對此內容進行了較為深入的研究，考慮了多個參數的影響，對各種應力比作用下的楔形腹板的屈曲及屈曲后強度進行了計算分析，得出了考慮翼緣相關作用的楔形腹板屈曲系數及有效寬度系數的計算公式，以期為規范的修訂提供參考。 -
In order to confirm the stress of the plastic screw gear, it is necessary to modify the straight design formula 1 and 2, so as to compensate the contact pressure caused by different gear shape
為確定作用在塑料螺旋輪所受的應力，需要修改直輪設計公式1和2 ，以補償二者之間形不同而所受的接觸壓力不同。 -
Through the analysis we found that the effect will become more obviously with the increase of thickness or width of superstratum and the decrease of the coefficient of foundation bed ; ( 3 ) anisotropy and nonlinear elastic f. e. m. model has been established and the effect of stress dispersion in compound two - layer foundation was analyzed on the base of the model. from the analysis we can conclude that the coefficient of subsidiary stress dispersion will amplify with the increase of thickness or width or stiffness of back - up coat ; ( 4 ) the formula which can be used in conventional calculation has been deduced for calculating the coefficient of subsidiary stress dispersion and it also has been affirmed to be reasonable through the checking calculation ; the whole theory of compound two - layer foundation has been brought forward in this paper and it ' ll enrich the theory of composite foundation
針對以上問題本文做了以下一些工作並得到若干結論： （ 1 ）提出了「復合雙層地基」的概念，並通過工程實例證明此概念的提出有其合理性和必要性； （ 2 ）用彈性地基梁理論證實了復合雙層地基確有應力擴散效應，且擴散效應隨上覆硬層厚度、剛度的增加而增大，隨下臥層基床系數的增大而減小； （ 3 ）建立了非線彈性、各向異性有限元模型，並以此為基礎分析了復合雙層地基的應力擴散效應，得到附加應力系數隨加固層厚度、寬度、剛度的增加而增大的結論； （ 4 ）推導了可用於常規計算的復合雙層地基應力擴散系數公式，並代入工程實例進行了驗證。 -
This paper demonstrates ultimate stress increment of unbonded tendons can be composed of approximate elastic deformation along the elements and local plastic deformation by nonlinear analysis on the unbonded partially prestressed concrete continuous structures. referring to the rule of ultimate stress increment of unbonded tendons at every load case, a regression formula of ultimate stress increment of unbonded tendons based on elastic - perfectly plastic model has been presented for engineers to calculate ultimate stresses of unbonded tendons in prestressed concrete multi - span continuous structures
考慮在各種荷載工況作用下無粘結筋極限應力增量的變化規律，並與理想的彈塑性模型相比較，最終得出以理想彈塑性模型計算各種荷載工況作用下無粘結筋極限應力增量的回歸公式，從而為預應力混凝土多跨連續結構的無粘結筋應力設計計算提供有益的參考。 -
With the superimpose model, the formula of the stress calculation of the elbows with elliptic section and nonuniform thickness was proposed in this paper. the formula is versified by the experiment of two elbows
利用疊加模型，提出橢圓截面變厚度彎管承受內壓時的應力計算力學模型，並通過兩支彎管的實驗得到驗證。 -
This spring is a key part for ensuring normal operating of aira. stress and beforehand close quantum of helix torsion spring of rectangle section is educed by some conclusions of mechanics of materials and compute formula
該彈簧是保證調整臂正常工作的關鍵件，本文從材料力學的結論出發，詳盡地推導了該彈簧應力及其初始預緊量的設置，並給出它們的計算公式。 -
This thesis investigated and researched on non - loaded crack, especially those caused by thermal - shrink, and analyzed the thermal - shrink stress of beam, slab and continuous - wall, found that according data of civil and overseas offered thermal - shrink calculating formula without considering effect of factors, such as the cement quantity, using of aruhuesiru, aggregate size and quantity of sand, which made the result data smaller. in addition, there are not enough construct measure in code
本文對非荷載裂縫，特別是溫度?收縮裂縫進行了調查研究，並對兩端或四周約束的梁、板和底部約束的地下連續墻進行了收縮應力分析，發現國內外有關文獻給出的收縮計算公式沒有考慮泵送商品混凝土的水泥用量、外加劑使用、骨料粒徑和砂用量等因素的影響，計算出的混凝土收縮量往往偏小；另外， 《規范》中針對溫度?收縮裂縫的構造措施不足。 -
First, using strip - partitoning method and programming in matlab language, the numerical caculations of the relation curve between moment and curvature are done for the beams strengthened with non - prestressed and pretressed cfrp sheets, base on the assumption of plane section, non - bonding slip and non - peeled destroy. secondly, nolinear finite elemeant analysis by ansys are done for the beams strengthened with prestressed cfrp sheets base on the three assumptions before mentioned, the analysis are all done for the relation curve between load and displacement, the distribution of material stress, the distribution of cracks. lastly, calculation formula of flexural capacity and deflection are proposed
）的全過程關系曲線。其次基於上面的三個假定，選擇合理的本構關系，利用ansys通用有限元分析程序對預應力碳纖維布加固梁進行非線性有限元分析，分析了加固梁的荷載-撓度關系、材料的應力情況、裂縫的分佈情況等。最後提出了承載力計算公式和正常使用狀態下撓度計算公式。 -
Based on the result of the comparision static penetrat ion test and field vane shear test before and after the treatment of soft founda tions for a experimental section, and based on four static loading tests for two single piles and two composite foundation, behaviors of soil among piles before and after the construction of powder - spray piles and the pattern of the ch ange of the stress ratio between piles and soil are studied, a new determination met hod for bearing capacities of cement powder - spray piles and composite foundati on is proposed, and the formula for calculation of composite foundation bearing capacity are revised
基於某試驗路段軟基處理前後靜力觸探、十字板試驗的對比測試和對兩根單樁、兩處單樁復合地基進行的4次靜載試驗，研究了樁間土性狀在施工水泥粉噴樁前後的變化和樁土應力比的變化規律，提出了根據靜載試驗確定粉噴樁及其復合地基承載力新的取值方法，並修正了復合地基承載力的計算公式。 -
Abstract : based on the result of the comparision static penetrat ion test and field vane shear test before and after the treatment of soft founda tions for a experimental section, and based on four static loading tests for two single piles and two composite foundation, behaviors of soil among piles before and after the construction of powder - spray piles and the pattern of the ch ange of the stress ratio between piles and soil are studied, a new determination met hod for bearing capacities of cement powder - spray piles and composite foundati on is proposed, and the formula for calculation of composite foundation bearing capacity are revised
文摘:基於某試驗路段軟基處理前後靜力觸探、十字板試驗的對比測試和對兩根單樁、兩處單樁復合地基進行的4次靜載試驗，研究了樁間土性狀在施工水泥粉噴樁前後的變化和樁土應力比的變化規律，提出了根據靜載試驗確定粉噴樁及其復合地基承載力新的取值方法，並修正了復合地基承載力的計算公式。 -
Abstract : a manufacture method of a major diameter circline weldless u - expansion joint by hydrostratic forming is introduced, a calculation formula of loading with hydrostratic forming is given by stress analysis
文摘:簡要介紹了液壓成型大直徑無環焊縫u形膨脹節的方法，通過應力分析，給出了液壓成型的加載內壓計算公式。 -
Since the temperature difference was most important parameters in thermal effects calculation, a combined temperature difference method considered year temperature difference and day temperature difference was put forward. with the combined temperature difference obtained from field tests, a lot of calculations have been done by finite element method ( fem ), considering of different structural measures. the law of displacement and stress in cshbb was presented and a relative displacement formula was deduced
在介紹小砌塊建築的溫度作用分析方法的基礎上對溫度作用計算中最重要的參數? ?溫差取值進行了探討，提出了同時考慮年溫差和日溫差影響的組合溫差取值方法；根據各種不同的組合溫差取值方法，結合現場實測數據給出了試點建築的組合溫差取值，並考慮了不同構造措施的影響，對試點建築進行了有限元的溫度效應計算；給出了小砌塊建築的位移變化規律和應力變化規律以及層間相對位移的計算表達式。 -
This paper first conducts the research to the steel wire roller conveyer ball bearing rolling body and the steel wire roller conveyer spot contact question, gives the main geometry parameter of the zone of contact by the hertz contact theory, stress extreme value as well as contact body elasticity approach quantity formula, and acts according to the practical application to carry on the simplification, calculates the main parameter of the bearing zone
本論文首先對鋼絲滾道球軸承滾動體與鋼絲滾道的點接觸問題進行研究，由hertz接觸理論給出接觸區的主要幾何參數，應力極值以及接觸體彈性趨近量的計算公式，並根據實際應用進行簡化，計算出課題所研究軸承接觸區的主要參數。 -
Because interaction between pile - raft foundations and soil is very complex, what ' s more, there are many effect factors, piles and caps ( or rafts ) form a common working system whose bearing capacity and settlement are affected and restricted by interaction between them. the method of computing settlement that code provides is not a pure theoretic method and it is an experiential method in essence. in this paper, based on engineering designs of taiyuan, in - site experiments, observation data of structure settlement and so on, settlement is analyzed and computed by applying mindlin stress formula and using software matlab
現規范推薦的樁基沉降計算方法，並不是一種純理論的方法，其實質是一種經驗擬合的方法；本文結合太原地區的工程設計、現場試驗、主體沉降觀測資料等，運用明德林（ mindlin ）應力公式，然後按分層總和法原理，採用matlab軟體計算程序進行沉降計算、分析，結果表明：高層建築樁?筏基礎沉降較小，且較均勻，得出了太原地區的樁?筏基礎沉降計算的經驗系數_ p ，從而使設計、計算結果更接近於工程實際，同時考慮筏板對上部結構荷載的分擔是合理的、先進的，對高層建築樁?筏基礎加強了認識。 -
In this paper, the design method of pile raft foundation in soft soil is studied, especially the method for analysis of pile raft foundation by using geddes " stress formula, some problems which exist in application are discussed and resolved. the paper also compares this method with traditional national code of pile foundation design ( ncpfd )
本文對樁筏基礎的工作性狀進行了研究，著重分析了新規范中用geddes解分析樁筏基礎內力和沉降的方法，探討和解決了在實際應用過程中還存在的一些不完善的地方，並將它與傳統的幾種分析方法進行了比較。
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