極限支承力 的英文怎麼說
中文拼音 [jíxiànzhīchénglì]
極限支承力
英文
ultimate bearing capacity- 極 : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
- 限 : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
- 支 : Ⅰ名詞1 (分支; 支派) branch; offshoot 2 (地支) the twelve earthly branches3 (姓氏) a surname...
- 承 : Ⅰ動詞1 (托著; 接著) bear; hold; carry 2 (承擔) undertake; contract (to do a job) 3 (客套話...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 極限 : 1 (最高的限度) the limit; the maximum; the ultimate limit; limitation; extremity; tipping point...
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Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account
依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型,對中國古代木結構中的典型構造如:柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究: (一)通過木柱石礎靜摩擦試驗,測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律; (二)通過單柱承載力試驗,測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量; (三)通過柱架低周反復荷載試驗,測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數; (四)通過斗?低周反復荷載試驗和受壓試驗,測定了古建築木構件與木構件間摩擦系數,斗?抗側移剛度,斗?恢復力特性及滯回曲線,斗?抗壓極限承載力及受力變形規律; (五)通過抬梁式殿堂間架模型振動臺試驗,測定了殿堂木構架結構自振周期,地震反應振形、阻尼特性及阻尼比;按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。The study in the paper starts with beam distortions, and it treats the plastic deformation area as pure bending sect, rest of the beam as rigid bodies. according to different shapes of the external tendons, it divides into three structural forms familiar in projects, that is the beams with no deviator, with a deviator and with two deviators, and studies the relation between the deformation of the external prestressing tendons and that of the beams, and derives the formulas of the ultimate stress increment of external tendons. in the formulas, the ultimate angle corresponding to half of the plastic deformation area is considered as a variable parameter
本文首先從梁極限狀態下的變形入手,將塑性鉸區看作純彎段,將塑性鉸以外的區域看作剛體,按照體外預應力筋的形狀不同,分工程中最常見的三種體外結構形式,即無轉向塊的直線型體外筋混凝土梁、具有一個轉向塊的單折線型梁和具有兩個轉向塊的雙折線型梁,研究體外預應力筋變形和梁體的變形間的關系,推導出以極限狀態下塑性鉸區之半對應的轉角為參數的計算體外預應力混凝土簡支梁以及連續梁的體外筋應力增量計算公式,並進一步求得梁的極限承載力。According to these, applying the virtual work theory, this paper analyzed the influence of active beam link on the terminal carrying capacity, stiffness and ductibility of three types of ebsf
接著在此基礎上應用虛功原理,分別研究了耗能梁段長度對d型、 k型和v型三種偏心支撐框架的極限承載力、剛度以及延性的影響。Similarly, according to the deformation mechanism of ebsf and the virtual work theory, the influence of three different active beam links on the terminal carrying capacity, stiffness and ductibility of ebsf is deducted
同樣,根據偏心支撐框架的幾何變形機制,應用虛功原理,重點推導並分析比較了分別採用d型、 k型或者v型支撐時對結構的極限承載力、彈性剛度以及延性的不同影響。B ) soil nails support : according the geological condition, meeting the need of one nail and whole soil nails, the thesis confirm the length and number of soil nails
B )土釘支護系列:根據工程地質條件,滿足了體系穩定性和單根土釘極限承載力的條件下,確定了土釘的長度和根數。4. as for the design of this kind of structure mentioned above, the thesis " ana1yzed " systematica1ly the inf1uence of the over1ay of the two - - way reinforcement on its u1timate. 1oad capacity, the deciding of such important factors as the depth - - span ratio and the rib spacing etc
針對周邊支承雙向密肋夾心樓蓋的設計,本文結合實例,較為系統地分析了兩向鋼筋重疊對樓蓋極限承載力的影響以及樓蓋高跨比、肋間距等參數的取值等問題,為該類樓蓋的設計提供參考。Mine support ; yield valves for powered support ; identification code
礦井支承.動力支承的壓力極限閥.標識代碼( 3 ) by using an elastic - plastic material model, the nonlinear analysis is taken on the rectangular tube and simply supporte d plate, and the ultimate carrying load capacity pu is obtained. the results show that the buckling mode is in accordance with the assumption of elastic analysis, and so shows the ultimate mode
( 3 )採用彈塑性模型,考慮幾何非線性理論,利用ansys軟體對矩形鋼管考慮板組相關屈曲影響和不考慮相關屈曲影響(將矩形管板件按四邊簡支板對待)兩種情況進行了屈曲後分析,分別得出其極限承載力p _ u ,並分析了矩形管的屈曲過程。On the basic of former research men ' s experience, 18 experimental members ( including 9 simple beams and 9 restrained beams ) are designed and tested. in the experiment, phenomena are observed and record by taking photos in the whole process from the first crack appears to test members crash completely, experimental data is attained including load values of crack - appear load, critical load and terminal load, stress values of reinforcing steel bar stress, compressed concrete stress and beam flank stress and values of deflection etc. by analyzing the crack ' s appearing and developing form and stress values of concrete and steel bars, the crash modes of test beams are defined ; shearing force - deflection curves are contrasted and analyzed ; the effects on shear strength of the three factors as shear span ratio, concrete strength and restraining moment are also analyzed
借鑒已有試驗的經驗,本文設計和完成了對18根超高強混凝土無腹筋梁(包括9根簡支梁和9根約束梁)在集中荷載下抗剪強度的試驗,觀察了試件從裂縫出現到完全破壞失去承載能力全過程的試驗現象並通過拍照進行記錄,獲得了試件的斜裂縫出現荷載、臨界斜裂縫荷載和極限荷載等荷載值和縱筋應變、混凝土受壓應變和梁側混凝土應變等應變值以及撓度值等。Through the comparative text of the four reinforced concrete frames braced with the eccentric steel, which have the same shapes, materials, dimension and the different brace form, several parameters of these frame behavior, such as side stiffness, limit load and energy consume ability, were studied. the limit state of these frames were analyzed
本文通過對四榀具有同一外形尺寸及配筋而具有不同型式的偏心角鋼支撐的鋼筋砼框架和一榀相同尺寸及配筋的鋼筋砼框架的對比性試驗,研究了上述結構的抗側剛度、極限承載力及結構的耗能等各項指標,探討了偏心角鋼支撐鋼筋砼框架結構的受力特點,並對其極限狀態進行了理論上的分析。Based on the results, the eccentrically braced frame has the advantage of higher initial stiffness, load - bearing and energy consume ability. through the limit state analysis principle, the limit load was calculated by assuming the same destroy pattern of braced frame as that in the experiment. comparing the theory limit load with the measured, a good agreement was founded. it shows that the limit state analysis is really a practicable way analysed the reinforced concrete frame braced with eccentric steel
應用極限分析中的極值原理對偏心角鋼支撐鋼筋砼框架進行極限分析時,首先擬定與試驗結果相一致的結構倒塌破壞模式,然後根據虛功原理建立了結構在極限狀態時極限承載力的計算公式,從所求的權限荷載的理論值與實測值的比較來看,理論計算值與試驗的實測值基本吻合,這說明利用本文擬定的結構破壞模式對偏心角鋼支撐框架結構進行極限分析是一條可行的途徑。For the cantilever beam, the theoretical stiffness and limited capacity are slightly less than the test ones if considering only the steel beam and the reinforced bars in the negative moment zone with the concrete in the tension zone ignored
結果表明:簡支組合扁梁,忽略彈性中和軸以下受拉的混凝土的影響,採用等效換算截面方法計算所得的剛度和極限承載力與試驗結果比較吻合;懸臂梁只考慮混凝土板中配置的負彎矩鋼筋,忽略混凝土,計算所得的剛度和極限承載力比試驗結果略微偏小,但相差不大。Analysis of nonlinear finite - element for ultimate strength of 81 overlap tubular k - joints with ansys program is carried out in this dissertation. the influence of nondimensional joints parameters, and ov on failure mode and ultimate strength of overlap tubular k - joints is studied. simultaneously, 27 tubular gap k - joints are analyzed for comparative purposes
分析時考慮了四個無量綱參數,即支管直徑與主管的直徑之比;主管的直徑與壁厚之比;支管壁厚與主管壁厚之比以及支管搭接率o _ v對搭接節點破壞模式和極限承載力的影響。A simplified formula for the shear capacity of rc simply supported beam which strengthened with the cmmr is proposed in this paper. 3 、 the shear capacity of rc beam strengthened with cmmr is studied. though the test of fourteen simply supported reinforced concrete beams and five overhanging reinforced concrete beams with cmmr, it analyses the effects of shear - span ratio, web reinforcement ratio of cmmr, style of loading, preloading on strengthening, and compares them with rc beams using ordinary stirrup
3 、根據本文進行了的14根混凝土簡支梁和5根混凝土伸臂梁的水泥復合砂漿鋼筋網抗剪加固試驗,分析了剪跨比、鋼筋網配筋率、加固形式以及持荷狀態等因數對整個構件極限抗剪承載力的影響,並與混凝土梁進行了比較。On the basis of the traditional elasticity theory, nonlinear theory, ultimate theory and theory of reinforced concrete slabs with simple - supported condition, this paper analyzes the whole process of reinforced concrete thin slabs in the loading test of distributing static load, on the objects of reinforced concrete thin slabs with complex geometry, complex boundary condition and distributing of reinforce bars. and then analyzes the load capacity under the effecting of static load
本文在傳統的鋼筋混凝土彈性理論、非線性理論和極限理論以及在簡單支承條件下的鋼筋混凝土板理論的基礎上,以復雜幾何形狀、邊界條件及配筋形式的鋼筋混凝土薄板為研究對象,對其在靜力分配梁加載下的加荷試驗的全過程進行分析,並對其在靜荷作用下的受力性能進行分析。This paper introduced the composition and classification of suspendome, generalized the nonlinear finite element computing methods. analysis to suspend - dome and single layer reticulate is conducted separately to the five type suspendomes which have same span but different rise - span, including force, displacement, eigenvalue buckling, nonlinear buckling, load - displacemnt tracking and nonlinear ultimate carrying capacity, every performance of suspendome was expatiated in the paper
通過對同一跨度、不同矢跨比的5種弦支穹頂結構和單層網殼進行的靜內力、節點位移、結構體系應變能、特徵值屈曲、非線性屈曲、非線性極限承載力、荷載-位移平衡路徑跟蹤分析和比較,闡述了弦支穹頂結構的各項性能,通過與單層網殼的比較,闡明了弦支穹頂結構的優越性。Based on the conception that the simple beam rotates rigidly around the plastic hinge in the middle when the beam is at the ultimate state of anti - bending capacity, the formula for calculating the stress in the external tendons and the ultimate anti - bending capacity of the beam were developed
摘要在承載能力極限狀態下,可把簡支梁的跨中區段視為1個等曲率塑性鉸(塑性區段) ,其餘梁段可視為直線並處于繞塑性鉸剛性轉動的位置。The full loading - displacement path had been traced, and the ultimate strength of the tubular joints had been determined. based on a series of numerical analysis of steel tubular t - joints, y - joints and k - joints of various geometric parameters, the effect of the various geometric parameters on ultimate strength had been investigated. the method of the reinforce joints had been offered
針對不同幾何參數的t 、 y 、 k型方主管圓支管鋼管相貫節點進行系統的數值模擬試驗,分析各幾何參數對節點靜極限承載力的影響,得出節點靜承載力隨各幾何參數的變化規律以及節點的破壞形式,並給出了相應的節點加強方案。Prediction method of support vector machine for limit bearing capacity of single vertical pile
單樁豎向極限承載力預測的支持向量機方法Because slts owns too many parts and complex supporting conditions, and invalidation of few parts or nodes does not have significant effect for structural bearing capacity, research orientation is transferred to structural support system in chapter 4 of the thesis. limited loading capacity and safety index of steel bracket of slts are calculated and analyzed for providing theoretic upper limit to safe operation of support system
由於網架結構的桿件眾多,結構支撐條件復雜,少數桿件或節點的破壞對于結構的正常承載無顯著影響,本文在第四章將研究方向轉向網架結構的支撐體系,計算分析網架結構支撐鋼牛腿的極限承載能力和安全儲備,為支撐系統的正常工作提供一個理論上限。分享友人