section crack 中文意思是什麼
section crack
解釋
斷面裂紋-
Some crack extension probably developed from the unfused section of the butt weld across the thickness of the stiffener during transport and erection.
有些裂紋可能在運輸和安裝過程中就從加勁肋對接焊未熔透處開始發展。 -
Using material, which composition is basically same to substrates through grinding, and then dipping its slurry on substrate with heating 800 and then sintering at 1400. there was no crack on the surface of coating. distinguish between coating and substrate may use sem, from sem micrographs of cross section of coating, there is gradated pore structure, while pore - forming agent is no good for coating
採用與基體成分相同的原料配製的料漿在經800燒成的素坯上成膜，燒成后發現，添加成孔劑的料漿成膜后表面易於開裂，而未加成孔劑的料漿成膜效果較好。 -
5. specimens have normal section crack and truncated section crack
5 、循環荷載作用下，試件出現了正截面裂縫和斜截面裂縫。 -
The work done in this paper is mainly as follows : ( 1 ) the wide beam should intrude to the wall at some length to make the flexural stress uniform along beam section width, thus make full use of the beam ' s bearing capacity and avoid the shear failure in the concrete joint. and it also prevents stress focus and concrete crack in the local shear wall
關于寬梁與薄墻肢節點，可以得出以下幾點初步結論：寬梁應該深入墻肢一定的深度，以使寬梁截面的彎曲應力沿著梁截面寬度分佈均勻，充分發揮寬梁的抗彎能力，同時避免節點區混凝土的剪切失效，也避免剪力墻的局部因為受到的應力過大而拉裂。 -
Based on the experiment results, the damage form of abnormal exterior joint are summarized, characteristics of hysteresis curve are studied, the effect of stirrup ratio and height of column section and beam section on anti - shear property of abnormal joint are discussed, working mechanism of abnormal exterior joint is researched, the conclusion that the anti - crack and bearing capacity of abnormal joint are studied by analyzing the minor core of abnormal exterior joint is proposed, the basic data is provided for the design formula of abnormal joints
根據試驗結果，總結了異型邊節點的破壞形態，研究了節點滯回曲線的特徵，討論了節點核芯配箍率、樑柱截面高度變化對異型邊節點抗剪性能的影響，分析了異型邊節點的受力機理，提出應以「小核芯」為分析單元來研究此類節點抗裂和承載力的建議，為異型節點設計公式的建立提供了基礎數據。 -
One such crack formed on the net section at the pin hole, much like an eyebar failure.
形成在銷釘孔凈截面處的一條裂紋非常象眼桿破壞。 -
The main results and academic contributions of the dissertation can be summarized as following : 1 ) for the difficulty to obtain the accurate analytical solution of the stress constraints around 3d cracks, detailed 3d fe analyses have been conducted to study the out - of - plane constraint factor tz around a straight through - thickness crack, a quarter - elliptical corner crack and a semi - elliptical crack embedded in an isotropic elastic plate subjected to uniform remote tension loading. the distributions of tz are minutely studied in the forward section of the cracks. strong 3d zones ( tz > 0 ) along the crack front were investigated despite the far field stress - free boundary conditions
全文主要研究內容和學術貢獻如下: 1 .針對一般三維裂紋端部場應力約束準確解析的困難，對均勻拉伸載荷作用下各向同性彈性板中穿透厚度中心直裂紋、半橢圓表面裂紋和1 / 4橢圓角裂紋進行了大量詳細的全場應力三維有限元分析，首次全面分析了非穿透裂紋端部場三維影響區范圍，給出了不同形狀三維裂紋前沿離面應力約束因子tz的數值解，並結合k場平面解給出了非穿透裂紋端部應力場k - tz雙參數描述。 -
Based on the pseudo - static experimental results of nine abnormal joints, the damage process of abnormal joint is divided into four stages of original crack, entire crack, ultimate state and failure, the effect of axial force ratio, stirrup ratio and height of column section on seismic behavior of abnormal joint are discussed, the conclusion that anti - shear capacity of abnormal joint are studied in entire crack state by studying the minor core of abnormal joint is made, the calculating formula for anti - shear capacity of abnormal joint is proposed with a view to asymmetry in stirrup yield
摘要根據9個鋼筋混凝土框架異型節點試件的擬靜力試驗結果，指出異型節點受力過程分為初裂、通裂、極限和破壞4個階段；討論了軸壓比、節點核芯配箍率、柱截面高度變化對異型節點抗剪性能的影響；提出應考慮節點核芯區箍筋屈服的不均勻性並在通裂狀態下以「小核芯」為分析單元來研究此類節點抗剪承載力的建議；最終給出了異型節點抗剪承載力的計算公式。 -
Analysis results of histogram statistics and section electron microscopic scan technique, are that fracture feature of the cracks of the hbbb is similar and the crack is multi - source strain fatigue one. internal defects of the cast, such as impurities, gas holes, etc, are the main causes for early cracks. the contrast analysis of static strength, model and transient respond on three structures with fem proves that geometrical stress concentration in partial area has influence on early crack, also
利用直方圖等統計方法和電鏡掃描技術對該抱軸箱體裂紋分析的結果是：抱軸箱體的裂紋斷口特徵相近，裂紋性質屬于多源性低周疲勞裂紋，鑄件中的夾雜、氣孔等內部缺陷是導致過早裂損的主要原因；利用有限元法對該抱軸箱體三種結構的靜強度、模態和動態響應對比分析，證實了局部幾何性應力集中對過早裂損也有一定影響。 -
Based on the experimental results, in concrete limitation stress sandwich first stage ' s ability and one - way and two - way precast slabs sandwich, results content code require - second class crack control. resistant crack calculation is appropriate. because post - tensioned prestressed advances plane ' s resistant crack. deformation and section strain measure accord with calculation results, this indicates 3d - gridding beams modulus is reasonable to precast slabs sandwich
本文通過對試驗數據的分析總結，認為：單塊夾層板第一受力階段的性能試驗及單向和雙向裝配整體式夾層板的性能試驗，滿足《混凝土結構規范》 （ gb50010 - 2002 ）中關于預應力樓板的二級裂縫控制等級的要求，抗裂設計得當；由於板縫無粘結預應力筋的存在提高了板的抗裂性。 -
( 3 ) to discuss thereasonable section shape of the continuous composite beam. the works of this paperare as follows : ( 1 ) contrast the cracking course of the concrete beam and the composite beam, atthe point of the bending state of the beams, put forward the crack width mode : bending curvature 、 crack height 、 the distance between crack
據此，本文的主要研究成果如下: （ 1 ）通過分析、對比普通混凝土梁和組合梁負彎矩區裂縫出現、發展過程，以構件受彎狀態為出發點，提出了以彎曲曲率、裂縫高度、裂縫間距為主要參數的裂縫寬度計算模式。 -
The stress - strain curve of new - old concrete and hprrc, are suggested to be modeled by two sections : the ascending section of the stress - strain curve is simulated by cubic parabola equation and the descending section is simulated by rational fraction, where the theoretical value is in good agreement with the test value. the research results also provide a theoretical basis of earlier stage for improving crack resistance of new - old concrete interface
新一老硅及hprrc應力一應變全曲線建議採用兩段式擬合:上升段採用三次拋物線方程模擬，下降段採用有理分式模擬，理論值與試驗結果吻合較好。該研究成果為新老混凝土結合面抗裂能力的提高提供了前期的理論基礎。 -
As soon as the normal section cracks, the crack firstly appears in the flexural region. at this moment, the load - deflection curve has a turning point. with the increase of the load, the rigidity of the beam decreases compared with that before cracking because of the development of cracks in flexural region, and the formation and development of diagonal cracks toward the loading point, the load - deflection curve is basically linear till the beam fails
正截面開裂前，荷載撓度曲線基本為線性，截面剛度較大；正截面開裂時，裂縫先在純彎段出現，荷載撓度曲線出現轉折點，隨著荷載的增加，純彎段正裂縫的發展以及剪跨段斜裂縫的產生並向梁的受壓區加荷點發展，使梁的剛度較截面開裂前減少，荷載撓度曲線也基本為線性直到梁破壞。 -
Predicting the crack width of partly prestressing concrete square - section beam by bp neural network
網路預測部分預應力矩形截面梁的裂縫寬度 -
Abstract : simplifying the formula in code for concrete structure design ( gbj10 - 89 ), we obtaine the appoximate formula of crack width, that is used to the beam of rectangular section in design
文摘:對《混凝土結構設計規范》 （ gbj10 - 89 ）中的裂縫寬度計算公式進行化簡，得出矩形截面梁裂縫寬度實用計算公式，供工程設計時使用。 -
The results indicate that the thermal stress and comprehensive stress of 6aa dam section and f6 fault concrete tuck during construction and operation are all within the allowed concrete tensive strength. the results indicate that the construction scheme of 6aa dam section and the disposal scheme of f6 fault is feasible and meet the need of dam temperature control and crack. prevention
計算分析表明，施工期和運行期6aa壩段及f6斷層混凝土塞的溫度應力、綜合應力均未超過該工程碾壓混凝土的設計允許抗拉強度，表明6aa ，壩段的施工方案和f6斷層的處理方案在溫控和防裂方面是可行的。 -
2 ) through many numeral experiment, using the crack face ' s slant angle and azimuth angle as parameters, we found some relations between three - dimension fractal parameters and two - dimension fractal parameters in rock mass : ds = ( 1. 0 + 0. 031 ) * dl + ( 1. 0 + 0. 0395 ), ns = nl, v = 1. 5986 * ( 2 - dl ) - 3. 2935 * sin ( st ) + 3. 8263, and found a way to speculate three - dimension fractal parameters from two - dimension fractal parameters. lt is the foundation to describe the distribution laws of crack face in rock mass by the observing results through rock mass section crack, 3 ) this paper constructed the three - dimensional fractal emulation theoretical system and erected three - dimensional fractal emulation model about crack face in rock mass 4 ) a emulation system about crack face in rock mass is developed by vc + +, it includes the function to get section plane chart and section block chart from three - dimensional network chart automatically, and some of the emulation examples is given
2 ）通過大量數值試驗，以巖體裂縫面的傾角與方位角為紐帶，分析得出了巖體裂縫面數量三維分形分佈參數和巖體裂縫跡線二維分形分佈參數的關系： d _ s = （ 1 . 0 0 . 031 ） * d _ l + 1 . 0 0 . 0395 ， n _ s = * n _ 1 ， = 1 . 5986 * （ 2 - d _ l ） - 3 . 2935 * sin （ st ） + 3 . 8263並提出了由二維分形幾何參數來推導三維分形幾何參數的方法。為通過巖體剖面裂縫直接觀測結果，描述巖體裂縫面分佈規律奠定了基礎。 3 ）本文構建了巖體裂縫面的三維模擬理論體系，建立了巖太原理二大學周眨d二研究生學位論文體裂縫面的三維分形模擬模型。 -
Then, by analyzing the extensive test data of load - displacement and bear - curvature, we can conclude that the crack resistance, bearing capacity of normal section and short - dated rigidity will be improved a lot when the strength of concrete is not so low
然後，通過對各組試件的荷載-撓度曲線的進一步分析表明：對于混凝土強度等級高於c15的鋼筋混凝土梁，採用這種粘角鋼加固法能有效提高鋼筋混凝土梁的正截面承載力和短期剛度。 -
The results show that there exists such nonlinear dynamical phenomena as chaos ang quasi - period movement when the rotational speed, mass eccentric and a synthesizing parameter of the system change. from different point of view, the chaotical phenomenen induced by double period bifurcation is found. in this paper, the dynamical model of bearing - elastical rotor with a cross - section of crack is estabilished
結果表明，在這一非穩態油膜力模型下，在轉速、無量綱偏心及一包含諸多因素的綜合參數的變化過程中，在很大的范圍內，系統運動都會出現由不斷倍周期分岔導致的混沌現象和概周期運動。 -
The main conclusions are as following : 1. specimens have four kinds of fatigue failure characteristics such as normal section crack width and truncated section crack width beyond the limit, the fatigue damage of steel bars. specimens ’ fatigue life is from 15 thousand to 1800 thousand
主要結論如下: 1 、試件出現了正截面裂縫寬度達到限值、斜截面裂縫寬度達到限值、鋼筋疲勞斷裂等疲勞破壞特徵，疲勞壽命介於1 . 5萬次180萬次。
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