粘結應力 的英文怎麼說
中文拼音 [niánjiēyīnglì]
粘結應力
英文
bond stress-
Cohesion is best defined in terms of the plot of shear stress versus normal stress given in figure 9.
粘結力最好根據圖9中剪切應力和法向應力的關系曲線確定。Finite element of dynamical bond stress of insert rebar under explosive loads
爆炸荷載作用下植筋粘結應力有限元分析So, the bond stress and slip of src eccentric loading columns must be accurately measured and studied further
因此有必要通過準確量測構件內部的粘結應力和滑移，進一步對偏壓柱的粘結滑移性能進行研究。The test results of inserted foundation with shear fastening apparatus showed that the interaction betwe en bond stress and shear fastening apparatus is very great, however, they could n ' t be superposed in principle
在帶有承剪連接件的插入角鋼上進行試驗結果表明：粘著應力與承剪連接件的受力存在很大的附加作用，但是，在原則上不允許進行組合疊加。It is indicated in the test that the influence of loading to strain in the grout was about in the range of 5 ~ 6m, and very weak beyond 4m. the distributions of strain and bond stress in the grout are attenuated in the minus exponential rule
試驗結果表明，加載對錨固段內的應變影響范圍大致在5 6m左右， 4m以外很微弱；錨固段注漿體內的應變與粘結應力分佈按照負指數規律衰減。( 2 ) from the equilibrium conditions of the isolated segment from a beam - column sub - assemblage, it is clarified for the first time that the bond stress along the beam rebars passing through the joint transfers into the column end to balance shear at this column end at the same ratio as that of the compression force in the compressed concrete at beam ends
通過對樑柱組合體柱脫離體的平衡條件，首次明確了貫穿節點梁筋粘結應力和梁端受壓混凝土的壓力以相同的比例傳入柱端以平衡柱端剪力，從而對節點區的傳力機理重慶大學博士學位論文結出了完整的和具有說服力的解釋。Through direct pullout test, we examine the effect of the water to cement ratio, contend of steel fiber and silica fume on the bond behavior ; compare the bond behavior of two types of cfrp bars with difference surface treatment ( r1 bars and g1 bars ), and reprocess the one of inferior bond strength ; investigate the bond stress distribution along the bond length of cfrp bars, and assess the adequacy of some exist analytical models of bond - slip behavior to reproduce the experimental bond behavior
本文主要通過直接拉拔試驗，考察水膠比、鋼纖維摻量、硅灰摻量以及cfrp筋的表面處理類型等材料參數對粘結性能的影響，並對粘結效果較差的cfrp筋研究了表面處理方法，以提高cfrp筋與rpc的粘結性能;通過在cfrp筋表面粘貼應變片，測定了粘結應力沿cfrp筋埋長的分佈情況，並對現有的粘結滑移本構模型與試驗結果的擬合效果進行了比較。According to the force balance equations, the values and distributions of bond stress between steel shape flange and concrete in eccentric loading columns were established by statistically regression with experiment data. and the influence of the factors such as relative eccentricity e0 / h, the slenderness ratio l0 / h on the bond - slip properties was analyzed
利用力的平衡方程，通過對試驗數據統計回歸，得到了偏壓柱型鋼兩側翼緣與混凝土的粘結應力的大小及分佈規律，並分析了偏壓柱長細比、偏心距對其的影響。In addition, the test results also demonstrate that bond - slip response between angle steel and concrete foundation in tension could be reflected with the displacements between angle steel and concrete, because bond stress is obviously decreasing with the cross section shrinking, that is effects of poisson ' s ratio
另外，試驗結果還表明：在一定的拉應力下，插入角鋼與混凝土之間的粘著力能通過插入角鋼與混凝土之間的位移反映出來。這是由於橫斷面的收縮，使得粘著應力明顯降低，即泊松比效應。Based on the available rule of variation in undrained shear strength during excavation, and the basic idea of the merchant model, this paper presents a constitutive relationship for saturated cohesive soils, capable of taking into account both stress path and time - dependent effect. it ' s named by the author as modified merchant model
本文根據前人基坑開挖前後土的不排水抗剪強度變化規律的研究結果，並結合merchant模型的思想，提出了能同時考慮開挖應力路徑和應力應變隨時間變化的飽和粘土應力應變關系，亦可稱之為修正merchant模型。This paper analyzed the mechanism of bond between the steel shape and concrete in the src ( steel reinforced concrete ) structures. by a series of src push - out tests, both the bond strength and the relations between the bond stresses and slip, which was usually called bond - slip constitutive relations, were analyzed and studied to solve the problem on bond - anchoring design and the problem on numerical simulation of the bond - slip in fem ( finite element method ) analysis of src structures
本文分析探討了型鋼混凝土中型鋼與混凝土之間的粘結滑移機理，並通過型鋼混凝土推出試驗（ push - outtest ）研究了型鋼混凝土粘結強度、粘結應力-滑移相互關系（粘結滑移本構關系） ，以解決型鋼混凝土結構中的粘結錨固問題和有限元分析中的粘結滑移模擬問題。In all these 20 specimens, the embedded electronic steel - concrete slip transfer were respectively embedded on the steel shape webs and inside and outside of the flanges at certain intervals along the embedment length to measure the distributions of the interior slip, and the electronic strain gauges were also installed on the shallow grooves of each steel shape web and flanges at close intervals along the length to measure the distributions of the steel shape web and flanges strain, from which the distributions of bond stress were obtained. with these methods of measuring the distributions of slip and bond stresses, the establishment of the bond - slip constitutive relations were ensured
用力的平衡方程，得到推出試驗中型鋼混凝土粘結應力的大小及其分佈規律;根據鋼一混凝土電子滑移傳感器的滑移量測結果，分析了沿型鋼埋置長度的內部滑移分佈規律，並對試驗量測的特徵滑移值進行了統計回歸;根據粘結應力和內部滑移測量結果，得出沿型鋼埋置長度方向上各截面的局部粘結應力一滑移關系曲線，建立了局部粘結滑移本構模型嘆x ）一s仁， ， … ， c ， … c 。As the main method of measurement in the tests, some strain measuring points are arranged on the reinforced steel bars of the anchor bearing body. the changes of strain with different loading levels at their locations have been measured, through which range of influence and distribution of strain with loading in grout can be investigated, and corresponding distributions of axial force and bond stress are calculated according to hooke ' s law. making use of nonlinear curve fitting, distribution equation of bond stress of the fixed unit anchor length is achieved
試驗測試手段通過在錨索承載體上布設應變測點，觀測錨索在不同的荷載級別下的應變變化情況，對不同荷載級別下，單元錨索注漿體內應變的影響范圍及分佈規律展開分析，依據虎克定律計算出了其軸力與粘結應力的分佈；並對測試結果進行了擬合，得出了錨固段粘結應力分佈的擬合方程。Based on the overview of former researches on the bond - slip performance between reinforced bar and concrete in rc structures as well as between steel shape and concrete in src structures, a new type of slip transfer named " the embedded electronic steel - concrete slip transfer " ( patent authorization no. zl - 02 - 2 - 61881. 3 ) was manufactured, by which the interior slip between the steel shape and concrete along the embedment length could be directly measured, the most difficult problem of experimental research was consequently solved
在前期試驗方法研究中，設計發明了一種實用新型的內置式鋼-混凝土電子滑移傳感器（專利授權號： zl - 02 - 2 - 61883 . 3 ） ，基本上實現了型鋼與混凝土連接面上內部滑移的測量，解決了型鋼混凝土粘結滑移試驗研究的一個關鍵難題；採用組合h型鋼的方法測量了型鋼翼緣、型鋼腹板應變，較好地實現了型鋼混凝土粘結應力的測試。( 2 ) based on deterioration model of owerage bond stress of beam reinforcement accounting for effect of axial compression ration and number of displacement loops, and stress - strain relationship of the concrete in the joint core accounting for effects of both softening and confinement, the modified compression field theory was employed to simulate behavior of the joint core under loading reversals. analysis by means of the program jap on the tested specimens in this paper and those obtained from other researchers produced consistent results
根據本文建立的考慮軸壓比和位移循環次數影響的梁筋平均粘結應力退化模型和考慮軟化效應、約束效應的核心區混凝土應力應變關系，通過在試驗中得出的節點核心區混凝土、箍筋、節點正面、背面柱筋在反復荷載下的受力特點，利用斜壓場理論模擬節點核心區在反復受力過程中的受力狀態。Based on the investigation of the effects of the formation process, the characteristic, adhesion and stress transfer of interface on its macroscopical mechanical properties and accurate characterization of the adhering conditions between the reinforcement and matrix, it is possible to achieve effective control of interface, which is the key to obtain high quality composite
而深入研究界面的形成過程、界面層性質、界面粘合、應力傳遞行為對宏觀力學性能的影響規律，精確地表徵增強相與基體之間界面結合的情況，利用定量化描述，進而有效進行控制，是獲取高性能復合材料的關鍵。In the end, according to achievements from home and foreign countries in related research and those gained in the on - site test, two design methods for compression dispersion - type anchor are provided in this paper, the first one is experiential des
最後，綜合國內外的相關研究成果以及現場試驗成果和理論計算結果，提出了壓力分散型錨索的經驗設計方法和基於峰值粘結應力的設計計算方法。Compression dispersion - type anchor can be mainly classified into two categories, one of which is that, plastic coated strands in different length are respectively passed through their own bearing bodies and pre - bent as their midpoints to be t he shape of " u ", then forming several totally unbonded strand loops, i. e. unit anchor tendon. as the research object in this paper, study is performed on the anchor holding capacity, load - displacement behavior, displacement of the fixed anchor length, strain and bond stress distribution, and the removability of anchor tendon, furthermore, with the aid of analytical solution, the distribution of the bond stress is calculated and analyzed, based on the results of test and analytical solutions, design method is provided in this paper
壓力分散型錨索主要有兩種結構型式，本文是以將不同長度的無粘結鋼絞線分別繞過不同的承載體彎曲成「 u 」形而組成各個單元錨索體這種型式為研究對象，對其承載力、荷載位移特性、錨固段位移特徵、應變與粘結應力分佈特徵以及錨索體的可回收性能展開研究，並藉助于理論分析研究其粘結應力分佈狀態，然後在此基礎上提出了壓力分散型錨索的設計計算方法。With the distributions of bond stress and local slip, all specimens " bond - slip curves were simulated. and the calculating formula of characteristic slip and bond strength was conducted by mathematically disposal and statistically regression of bond - slip curves ; by revising the shape of bond - slip curves through " merge to one ", the model of bond - slip relation was confirmed and then a detailed definition on the model was conducted using position functions
結合粘結應力和局部滑移的分佈規律，擬合出了各試件的粘結滑移曲線，然後對曲線進行一定的數學處理，經過統計回歸后得到了特徵滑移值和特徵粘結強度的計算公式；對粘結滑移曲線形狀經過「歸一化」的數學處理進行修正，確定了基本的粘結滑移的本構關系式，並引入了一個位置函數對粘結滑移的本構關系進行了更為細致的描述。3 ) based on the bond stress distribution function at the concrete - steel interface, a stress - strain relationship for cracked reinforced concrete tensile members is derived, and thereby an analytical model is proposed. by introducing a crack strength expression, the influence of non - uniform distribution of concrete stress in transverse and longitudinal directions in a reinforced concrete tensile member on concrete cracking is taken into account
3 ）基於鋼筋混凝土間的粘結應力分佈函數，推導了開裂后的鋼筋混凝土軸拉構件的應力應變關系，建立了開裂分析模型，並通過引入鋼筋混凝土構件開裂強度表達式，考慮了混凝土應力在構件縱、橫兩個方向不均勻分佈對鋼筋混凝土構件開裂的影響。分享友人