普彈形變 的英文怎麼說
中文拼音 [pǔdànxíngbiàn]
普彈形變
英文
instantaneous elastic deformation-
Eccentrically braced frames ( ebfs ) combines the strength and stiffness of concentrically braced frames ( cbfs ) with the inelastic behavior and energy dissipation of moment - resisting frames, especially inelastic deformation of link absorbs seismic energy
偏心支撐框架結合了中心支撐框架的強度、剛度高和普通抗彎框架的延性、耗能性能好的優點，通過耗能梁段的非彈性變形耗散大量輸入結構的地震能量。Simultaneity, through contrast analysis validate that antiseimic capacity of expansion web is better than that of steel web. therefore, based on the experiences summed up by precedence, the formulation for calculating the crack load and limit load of brick masonry house reinforced by expansion web is advanced, which provides project reference. based on the analysis and studies of masonry shearing strength, test of prestressed single brick masonry wall, and test of prestressed brick masonry house models, and ect, the article has carried through several aspect research as below : 1. a series of experiment on material capability of expansion web, including intensity of single thread and expansion web, ect ; 2. research on influence of loading and destroy of masonry brick building reinforced by expansion web under lowcyclic loading ; 3. study of impact of expansion web on ductility, energy dissipation, intensity, ect under the same situation as above ; 4. put forward computation formulation of masonry brick building reinforced by expansion web
本著以上的研究目的，本文在分析和借鑒前人砌體抗剪強度理論、預應力單片墻試驗研究、預應力模型抗震性能試驗研究等基礎上，進行了以下幾方面的研究工作: 1 .作為一種新型結構材料擴張網，進行了一系列的材性試驗（單絲強度、網片強度和在砂漿中被約束條件下的網片強度及其相應的彈性模量） ； 2 .研究了水平荷載往復作用（低周交變）下，普通鋼絲網和擴張網砂漿對砌體結構抗裂及承載能力和破壞形態的影響，並將這兩種材料的加固效果進行了對比； 3 .上述狀態下，兩種網片水泥砂漿對砌體結構變形、延性、耗能、剛度退化等抗震性能的影響及其影響效果的比較； 4 .提出擴張網水泥砂漿加固砌體結構的抗剪強度計算建議公式。To be the wall material of gtdw, comparing with the conventional concrete diaphragm wall, plastic concrete has a much lower elastomeric modulus that approaches to that of the around soil. as a result, the deformation of the plastic concrete diaphragm wall under pressure will be similar with that of the around stratums. the stress state of the iii diaphragm wall is greatly improved and thus improvement will make it easy for the diaphragm wall to fit the stress changes by the thinner of wall or the frequent changes of the water level
塑性混凝土作為抓鬥薄墻的墻體材料，相比于普通混凝土彈性模量顯著降低，使其更接近於圍土材料的變形模量，所以塑性混凝土防滲墻在其受力后的變形能很好地于周圍地層相協調，因而能大大改善防滲墻的應力狀況，更好地適應墻體變薄及長江水位頻繁變化而帶來的應力變化。At the same time it has the shortcoming of complex mechanics analysis. in this thesis we mainly discuss the structure behaviors of the mega structure. firstly considering the differences between mega - frame and normal - frame, that is the influence of rigid zone and shearing type deformation are considered. a computer program for calculation of mega - frame structures based on element stiffness matrix to members with rigid zone considering shearing type deformation has been written and some of mega - frames have been calculated by using the program
首先，根據巨型框架與普通框架的主要區別，採用帶剛域桿件考慮剪切變形時的桿單元模型，利用fortran語言編制了巨型框架結構線彈性有限元靜力分析程序，並利用該程序對多個巨型框架結構進行了計算，分析了巨型框架結構的靜力性能，深入研究了結構在豎向荷載和水平荷載作用下的傳力機理、力學特性和變形特點。Diversity between new type damping spring and common spring is its damper form variation and coefficient of damping increment
新型阻尼彈簧與普通彈簧的區別是阻尼表現形式的變化和阻尼系數值顯著增加。Abstract : in order to solve the roof leakage problems now widely exitst in buildings at home and abroad, this paper proposes the using of steel fiber reinforced polymer cement mortar concrete ( sfpcc ) as a rigid waterproofing roof material, based on that compounding polymer and cement helps improve construetion density of material. and both of polyer and steel fiber enable to enhance deformability of material. by testing elastic modulus, air shrindage and etc of sfpcc, this material is proved to be feasible in technology
文摘:針對目前國內外普遍存在的屋面防水問題，根據聚合物與水泥的復合物有利於改善材料內部結構密實度以及聚合物和鋼纖維均能改善材料變形能力的特性，提出了用鋼纖維增強聚合物水泥砂漿作為剛性屋面防水材料的設想，通過對鋼纖維聚合物水泥砂漿的彈模、干縮等試驗，論證了此種材料在技術上的可行性。4. with the consideration of practical soil - pile interaction, the soil around pile is modeled as a three - dimensional viscous - elastic continuous medium and the time effect of the settlement of single pile is studied. the semi - analytical solutions for vertical displacement of soil and for the relationship between settlement of pile head and time were obtained by laplace transform method and fourier inverse method, and the law of the settlement of pile head varying with time was then analyzed and discussed
考慮樁土藕合作用的單樁沉降時間效應研究從研究空間軸對稱問題的角度出發，將樁周土體建模為三維粘彈性連續介質，更為合理地考慮了靜荷載下樁土系統中單樁與樁周土的藕合作用，分別建立了樁周土體和樁體的靜力平衡方程，並通過拉普拉斯變換、傅立葉逆變換等數學手段，獲得了單樁樁周土體的垂直變形和樁頂沉降在拉普拉斯變換域內的解析解和在時間域內的半解析解，進而分析討論了單樁沉降隨時間變化的規律。On the basis of analysis previous experiment data, it is conclusion that allowable value of drift angle of elastic and elastic - plastic is 1 / 550 and 1 / 75 respectively, which is applicable to r. c. frame structure with special - shaped column is given out. the conclusion explains that the deformabiliry of r. c. frame structure with special - shaped column lies between rectangle column frame structure and shear wall structure. the calculating formula of allowable value of axial load ratio of special - shaped column is derived, it is compared with that of equaling areas rectangle column
根據對前人試驗數據的統計分析，給出了適用於異形柱框架結構的彈性和彈塑性層間位移角限值分別為1 550和1 75 ；指出了異形柱框架結構的層間變形能力介於普通矩形柱框架結構和剪力墻結構之間；以t形柱為例，推導了異形柱軸壓比限值的計算公式，通過與等面積矩形柱的對比分析，認為異形柱的軸壓比限值與其截面尺寸的比例關系有關；當腹板受壓或翼緣受壓時， t形柱軸壓比限值存在較大差異；不同的荷載角作用，軸壓比限值變化較大；矩形柱的軸壓比限值要大於異形柱的軸壓比限值。分享友人