裂縫寬度 的英文怎麼說
中文拼音 [lièféngkuāndù]
裂縫寬度
英文
crack opening-
Test and analysis results indicate that some little polypropylene fiber in cement concrete can not only reinforce the load _ carrying capacity and rigidity, but also control the crack width and strengthen the ductibility of beams
對比分析結果表明，適量聚丙烯纖維的摻入能夠提高梁的承載能力和剛度，並能限制裂縫寬度，增加梁的延性。When the source frequency is low ( lower than 2khz ) and the widths of fractures are approximate, the difference of the snapshots and waveforms between different fracture models is not obvious
6 、當聲源主頻較低（ 2khz ）時，若裂縫寬度相差不是很大，波場圖和波形圖差別不明顯。The deliberation of calculating concrete crack width for steel lined reinforced concrete penstock
鋼襯鋼筋混凝土壓力管道混凝土裂縫寬度計算問題的商榷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。In addition, water gradients, crack width, permeability time, specimen ' s kinds can also influence the self - sealing degree
水力梯度、裂縫寬度、滲流時間、試件品種均對自愈程度有比較大的影響。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。Specimens ’ cracking load under dead - load, fatigue failure characteristic, fatigue life, deflection of span - centre, fatigue flexural rigidity, maximal crack width, development of cracks and strain of concrete and steel bars have been investigated. the influence of fatigue cycle characteristic, ratio of reinforcement, kinds of aggregate and concrete compressive strength on the specimens ’ fatigue behavior has been also investigated
對試件的靜載下開裂荷載、疲勞破壞特徵、疲勞壽命、疲勞荷載作用下的跨中撓度、截面疲勞抗彎剛度、裂縫開展情況及最大裂縫寬度、鋼筋及混凝土在循環荷載作用下應變等內容進行了研究，分析了疲勞循環特徵值、縱筋配筋率、骨料種類、混凝土抗壓強度等因素對試件疲勞性能的影響。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。Steel fiber scatters stress converging in the area of the top end of tiny cracks, restrict the occurrence and development of cracks, diminishes the width of cracks, and enhances the integrity of concrete with the occurrence of cracks via the effect of felting between concrete and steel fiber, and consequently the strength of concrete that resists compression, tension, and shear force increases obviously, and the capability of concrete that resists compact, and fatigue, and the ductility and durability of fissured concrete improve
鋼纖維削弱了混凝土微裂縫尖端的應力集中、限制並約束裂縫的產生和開展、減小裂縫寬度、尤其是通過粘結作用提高了裂后混凝土的整體性，從而使混凝土的抗拉、抗彎、抗剪強度顯著提高，其抗沖擊、抗疲勞、裂后韌性和耐久性也有較大程度的改善。The relationships between the sensitivities of the optical fiber and crack widths at 300, 45, 60 were obtained
得到了在大壩安全監控縫寬控制范圍內光纖與裂縫夾角為30 、 45和60的光纖靈敏性與裂縫寬度關系曲線。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。Therefore, the scientific scholarsboth at home and abroad have been carried series of research work since the 1960s, with some defects still remaining unresolved. the objects of this research are : ( 1 ) to analyze the course of the crack, itsappearing and development, and discuss the major factors influencing the behavior ofthe negative moment region in continuous composite beam. ( 2 ) to establish the modeand formulas of the crack width by the theoretical analysis
本文研究的主要目的是通過對組合梁負彎矩區裂縫的出現、發展的過程分析，討論影響鋼-混凝土連續組合梁負彎矩區受力性能的主要因素，建立了組合梁負彎矩區裂縫計算模式和裂縫寬度的計算公式，並初步探討了連續組合梁合理截面形式。( 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。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。3, carry out detailed numerical simulation and analysis for heat extraction of deep - seated hdr based on the tengcong prefecture, reach the major variety rule of rock mass stress, temperature, fracture width depending on the heat extraction. ( 1 ) in the hot dry rock geotherraal energy extraction system, transportation of energy and flow of water arise mainly through the fracture, the lower temperature water attain the high temperature from the injection well to production well through conduction convection and take away the thermal from wall rock
3 、認真地對騰沖高溫巖體地熱開發進行了數值模擬計算和分析，得出了地熱開發過程中巖體應力、溫度以及裂縫寬度隨地熱提取的變化規律等重要結論： （ 1 ）在高溫巖體地熱開發系統中，能量的運移、輸送與水的流動主要通過裂縫面發生，注入的低溫水在流到生產井的過程中，發生傳導、對流、吸收圍巖熱量，達到升溫的目的。( 7 ) in the hot dry rock geothermal energy extraction system, the fracture width widen gradually with the heat extraction, after the system start to operate, in a month the width change rapidly, the growth rate exceed 100 %, and then the change become even, until 3 year, the variety is very small, almost towards to stability
（ 7 ）在高溫巖體地熱開發中，其裂縫寬度是隨地熱提取而逐漸加寬的，在開始運行的一年內，寬度增長迅速，其增長率達到100 %以上，然後變得平緩，到3年後，變化很小，幾乎趨于穩定。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。分享友人