width of crack 中文意思是什麼
width of crack
解釋
裂縫寬度-
The ' shape of basal tegmen, basal piece of lateral lobe with crack in base, lateral margins of basal piece of lateral lobe, the ratio of width of lateral lobe and width of apex of basal piece, shap
本文分析討論了雌性產卵器各部分的結構特點在偽葉甲亞科分類中的意義，如肛側板是否分片、肛側板背面部分是否延長、基腹片基部大片的分節 -
The research shows that : 1 ) the ductility of the hsc bending members constructed is much greater than 5 ; 2 ) increasing the vertical links and distribution steel can increase the deflection under ultimate moment ; 3 ) with appropriate compressive bars, vertical links and distribution steel the increase of moment after yield and the decrease of moment under ultimate moment can be ignored, so the ductility of the hsc bending member is much larger ; 3 ) the width / depth ratio of hsc bending member has no obvious effect on the ultimate compressive strain of concrete ; 4 ) the method used here to calculate the deflection is applicable ; 5 ) the location of crack coincides with the location of vertical links and distribution steel ; 6 ) the bending property of the hsc structure under the blast load can meet the demand of protective engineering
研究表明：本文研究的梁、板構件的延性比遠大於5 ；增加箍筋（鉤筋、分佈筋）含量，可以提高壓區混凝土剝落時的撓度；在適當的受壓筋、箍筋（鉤筋、分佈筋）含量下，可以忽略壓區混凝土剝落瞬間的承載力下降，從而大大提高構件的延性；受彎構件的寬高比對壓區混凝土極限應變的影響不明顯；受彎構件的裂縫間距受箍筋（鉤筋、分佈筋）的布置影響；文中所用的承載力和變形計算方法是可行的。化爆試驗表明，高強混凝土構件的動載抗彎性能能夠滿足防護結構的要求。 -
Calculating crack width of penstocks with inner steel liner and reinforced concrete due to its internal pressure
內壓作用下鋼襯鋼筋混凝土壓力管道裂縫寬度計算公式 -
3. the mid - span deflection of slight corrosion specimens is smaller than that of non - corrosion specimens on the static loads and the fatigue loads ; the maximum crack width of slight corrosion specimens is larger than that of non - corrosion specimens ; fatigue life of slight corrosion specimens is shorter than that of non - corrosion specimens ; the corrosion of re - bars is a sensitive factor to fatigue life
（ 3 ）輕微銹蝕試件梁的跨中撓度在靜載和循環荷載下比未銹蝕梁小;輕微銹蝕試件梁的最大裂縫寬度比未銹蝕試件梁的最大裂縫寬度大;輕微銹蝕試件梁的疲勞壽命比未銹蝕試件梁的疲勞壽命降低，鋼筋銹蝕是疲勞壽命的敏感因素。 -
The influence of stress ratio on maximum crack width of specimens is obvious, and the larger the stress ratio is, the longer the fatigue life is, it can influence the mechanical property of specimens directly
應力比對試件梁的最大裂縫寬度影響顯著，應力比越大，疲勞壽命越長，直接影響試件梁在疲勞荷載作用下的性能。 -
The formulas on crack width of rc beams and src beams are analyzed at home and abroad too. the calculation formulas on the maximum crack width of src beam under short time load are suggested. the calculation result tallies that of tests well
分析比較了國內外鋼筋混凝土梁和勁性鋼筋混凝土梁裂縫計算公式，提出了勁性鋼筋混凝土梁在短期荷載作用下的最大裂縫寬度計算公式，其計算值與試驗值吻合較好。 -
For the laminate which contains a crack, the suggested patch shape is rectangle, the patch thickness is equal to the parent laminate and the patch stacking sequence is the same as the parent laminate. because the length and the width of the patch have the fewer influence on the repair effect, the patch has the least weight on the basis of enough edge distance, end distance and space having been promised
?對于含裂紋復合材料層壓板，長方形補片的長度和寬度對修補效果沒有非常明顯的影響，因此在保證連接邊距、間距和端距的條件下，補片大小的選擇應該以節省重量為原則；而當補片的鋪排順序與母板相同、相對厚度為100時能夠獲得比較好的修補效果。 -
Those include the load carrying capacity of the specimens in the limit state, the cracking load of the specimens, the crack width of the specimens and the deflection of the specimens
論文從四個方面進行研究：輕骨料混凝土板的正截面承載力，抗裂度，正常使用極限狀態下的裂縫寬度和撓度計算。 -
In addition, the calculating methods about the gap of the connectors and the maximum width of crack are discussed in the thesis
另外，作者對組合梁剪力連接件的設計理論及組合梁最大裂縫寬度計算方法作了逐一地探討。 -
A way to avoiding crack or reducing crack width of concrete or reducing distortion of member is using prestressed concrete. the writer tried to make full use of the merit of the prestressed concrete and designed prestressed concrete mandril to control crack of structure. the prestressed concrete mandril, which was firstly applied high pressure on a small concrete bar, and then was made in concrete, so it would act as reinforced bar and resist load. in this thesis the writer designed 24 mmnbers and had experimental study of them, reached the conclusion that the effect of resisting crack of the prestressed concrete mandril was good when the load was not large, it can enhance the capacity of resisting crack and reduce the crack distance and crack width, but when the loads was large, the effect of resisting crack was not good, when we used the prestressed concrete mandril and reinforced bar together in member, the effect of resisting crack was very good. the writer analysed the adherence mechanism and wreck mechanism of the prestressed concrete mandril in anxial tension members, and according to the character of the prestressed concrete mandril, the writer constructed the bond model of it. then the writer introduced the analysis theory of crack including the bond - slip theory, the non - slip theory, the synthesis theory and mathematics stat method. the different theory had different theory base, they considered that the primary affection of crack width was different. in this test, the crack distance and crack width of members which placed reinforced bar were match to the compute value of the code gb 50010 - 2002 very well. to the members which
本文共進行了24根試件的試驗研究，得出了預應力混凝土芯棒能較大地提高構件抗裂承載力，在荷載小於預應力混凝土芯棒的開裂荷載時有較好的抗裂效果，能較大地減小裂縫間距和裂縫寬度，但是當荷載較大預應力混凝土芯棒開裂時預應力混凝土芯棒的抗裂效果不是很好，若將普通鋼筋和預應力混凝土芯棒一起使用時則有很好的抗裂效果。本文分析了預應力混凝土芯棒在軸拉試件中的粘結機理和破壞機理，根據預應力混凝土芯棒本身的特點，提出了預應力混凝土芯棒與后澆混凝土之間的粘結模型。然後本文詳細介紹了經典的裂縫分析理論粘結滑移理論、無滑移理論、綜合理論和數理統計方法，各理論有著各自不同的理論基礎，認為影響裂縫寬度的主要影響因素也各不相同。 -
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 above fruits may be of important theoretical significance and of practical value for reasonably using the results of model test of reinforced concrete structures to forecast and judge the character of crack development of prototype structures and for founding more reasonable calculating formula of crack width henceforth
上述研究成果有益於合理利用鋼筋混凝土結構模型試驗的結果預測和評判原型結構的裂縫開展情況，及建立更為合理的裂縫寬度計算公式。 -
Utilizing the principle of the smoothshaft to open 0. 4 mm crankshaft to the width of crack : ( 1 ) when it compares with one position crack, crankshaft natural frequency as crack depth than increase and reducing constantly
利用光軸的原理對裂紋寬度為0 . 4mm的曲軸進行研究得出： （ 1 ）裂紋同一位置比時，曲軸固有頻率隨著裂紋深度比的增大而不斷減小。 -
The width of stacking fault increased as partial dislocations move forward. in the fracture of 18 - 8 stainless steel, many dislocations were emitted from the crack tip during the early stage of crack propagation and moved forward, and then a dfz was formed between the crack tip and the pile - up dislocations. the dfz is an elastic zone
不銹鋼斷裂時，裂尖首先發射位錯，並離開裂尖向前運動，裂尖前方留下無位錯區，位錯反塞積在無位錯區的端部，無位錯區是應變很高的異常彈性區，隨著裂紋的擴展，無位錯區逐漸發生晶體碎化和轉動。 -
The calculation results show that the value of crack width obtained from the new and old hydraulic design specification is different, especially, the member with thicker concrete protective layer, and that the value obtained from industrical and civil building design specification is larger than that from hydraulic design specification, so its design result is safe than hydraulic design
實例表明新、舊規范的裂縫寬度值計算差異較大，特別是混凝土保護層厚度較大時，同時工民建規范計算公式的計算值較水工規范計算公式的值大，故偏於安全。 -
By using the arrived fundamental solution, combined with the " pseudo - traction " method and the boundary collocation, the stress intensity factor for crack in a finite plate under compressive loading are solved, the effects of crack direction and boundary condition on the stress intensity factor are analyzed, and the varying curves of the sif along with the width are given
將所得的基本解與「偽力法」 、邊界配置法相結合，得到了有限板在壓縮荷載作用下應力強度因子的解法，分析了裂紋方向和邊界條件對應力強度因子的影響，給出了應力強度因子隨板寬的變化曲線。 -
The test results indicated that : crack similitude of reinforced concrete simple beams is not equal to model scale under the working load ; when the amount and surface shape of reinforcing bar are same, the similitude of crack width, crack amount and crack spacing of reinforced concrete simple beams of different scales are all nearly equal to the square root of model scale ; when the amount and surface shape of reinforcing bar are different, the similitude of crack amount and crack spacing are still nearly equal to, whereas the crack width is not only approximately proportional to, but the influence of the amount and surface shape of reinforcing bar on crack width should be considered also at the same time
試驗結果表明：在使用荷載下，鋼筋混凝土簡支梁的裂縫相似率並不等於幾何相似比；當鋼筋根數及形式相同時，不同模型比尺下的鋼筋混凝土簡支梁的裂縫寬度、裂縫條數及裂縫間距的相似率，均約等於模型幾何相似比的平方根；當鋼筋根數及形式不同時，裂縫條數及裂縫間距的相似率仍然約等於，而裂縫寬度的相似率近似與成正比，但應同時考慮鋼筋根數與鋼筋表面形狀對裂縫寬度相似率的影響。 -
The static load test was done on the frame beam strengthened by cfrp with frame joint anchored in different mode, and the hearing capacity, deflection and width of crack was surveyed
摘要對採用不同梁端錨固方式的碳纖維布加固框架梁進行靜載試驗研究，在承載力、撓度及裂縫開展等方面進行了綜合比較和分析。 -
At first, ploygon aggregate structure of concrete is randomly generated in two - dimensional plane with monte carlo method on the meso - level. then, the growth process of a crack of concrete 3 - point bending beam specimen is analyzed by fem, according to the criterion of maximum circumferential tensile stress. and the path of crack to spread in mortar, aggregate and interfaces of them is gained by the ultimate fracture criteria in construction standard that the width of crack should not be more than 0. 2mm
首先，在細觀層次上，根據蒙特卡羅隨機抽樣原理，在二維平面上建立了混凝土多邊形隨機骨料結構模型，然後採用有限元計算方法，根據最大周向正應力準則，對三點彎曲梁構件進行了開裂過程的模擬，並以建築規范中構件裂縫小於0 . 2mm的要求為最終破壞標準，得出了裂紋在基質、骨料及界面的擴展路徑。
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