梁支點 的英文怎麼說
中文拼音 [liángzhīdiǎn]
梁支點
英文
beam pitch-
The thesis has summarized the development of the oblique - pull bridge, its construction technology and the importance of bridge construction control, then has introduced project general situation, and has narrated detailed regulation, organization construction, the major work and difficult part of this bridge construction control. the following is the key part of this thesis, firstly, it has introduced the experiment work of early stage, structural calculation and its theoretical result : the absolute altitude of each operating mode, the absolute altitude of building mould in each section and the absolute altitude after pouring concrete ; then, it has discussed the method and content of the line shape control of the main beam, actual absolute altitude of building mould is put forward, and it has described the method of structural stress monitoring, how to arrange measure point and collect data, and how to analyze data. it has also narrated the method of rope force detection and structural temperature inspection
本論文在總結了斜拉橋的發展及其施工工藝，並指出了橋梁施工控制的重要性之後，簡要的介紹了工程概況，敘述了炳草崗金沙江大橋監控細則、組織機構及監控的主要工作和難點部分；論文的核心部分，在介紹了炳草崗金沙江大橋施工控制與監測工作的前期實驗工作和施工各工況標高、各節段支模標高、澆注混凝土后的標高的結構計算和其理論計算結果之後，詳細論述了主梁的標高線形控制方法和內容，實際支模標高的提出，結構應力監控的方法、布點、測讀及其對測讀數據的合理分析方法，索力檢測和結構溫度監測的方法。In addition to, the fatigue crack between web and upper flange of welded steel crane beam on heavy duty service was discussed, and based on long - term observation and research, the author classified fatigue crack into bearing type and middle type crack along the horizontal direction. the causation, distributive law and mechanism of the crack were analyzed, and the precautions to take and the measures to remedy crack were presented. the main defacts including damage, crack, erosion and aging in structures, especially in concrete structure were introduced ; the defact mechanism was analyzed and the precautions to take were also given
另外，作者對重級工作制焊接鋼吊車梁腹板與上翼緣連接焊縫的縱向水平疲勞裂縫進行了長期的觀察和研究，根據疲勞裂縫產生的不同機理，將其分為支點裂縫和肋間裂縫，並討論了兩類裂縫產生的原因、分佈規律、機理以及防治的措施；對工程中經常遇到的結構構件，尤其混凝土構件的幾種主要病害（損傷、裂縫、腐蝕與老化）進行了機理分析並提出了防治措施。Those of multi - span, middle - length ( about 25 - 40 metres ) are of large percentage among advanced bridges. simply - supported girder bridges with continuous decks are inferior to those of continuous girders because their decks crack easily. owing to the complex construction of continuous girder bridges, which is laboursome and time - consuming, people have been thinking about an approach to combining the advantages of the two so as to speed up the building and reduce the work procedures
在高等級公路橋梁中，多孔中等跨徑（跨徑在25 40米左右）的橋梁占很大的比重，橋面連續的簡支梁結構體系由於存在橋面容易開裂等缺點而在與連續梁結構體系的競爭中常常處于下風。In the end, we used this procedure to analyze the influence of the oblique angle to the bearing points and inter - force, and discuss the influence of the ratio ( the bending moment to the wrest moment ) to the skew bridge
最後利用該程序分析了斜交角對支點反力以及梁內力的分佈影響，討論了彎扭剛度比對格柵梁的影響。Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account
依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型，對中國古代木結構中的典型構造如：柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究： （一）通過木柱石礎靜摩擦試驗，測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律； （二）通過單柱承載力試驗，測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量； （三）通過柱架低周反復荷載試驗，測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數； （四）通過斗?低周反復荷載試驗和受壓試驗，測定了古建築木構件與木構件間摩擦系數，斗?抗側移剛度，斗?恢復力特性及滯回曲線，斗?抗壓極限承載力及受力變形規律； （五）通過抬梁式殿堂間架模型振動臺試驗，測定了殿堂木構架結構自振周期，地震反應振形、阻尼特性及阻尼比；按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量，對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。We can say that it can develop the usage of soil nailing wall fill the rank of piles disadvantage a bright future of developing and using. the development, application, advantage and disadvantage about the " prestress anchor ribbed beam support system " is introduced in chapter 1 : it " s supporting mechanism and structural feature is introduced and compared with the soil nailing walls and un - embedded rank of piles in chapter 2 ; design and computer steps and more details about the design methods of the support system are introduced in chapter 3 ; the two important parts named draperies and anchors are introduced on their construction technology in chapter 4 ; three foundation trenches " instances with different depth in different soil are showed in the last chapter 5
本文在第一章概論部分介紹了「預應力錨桿肋梁支護結構」的發展、應用和優缺點；第二章分析其支護機理、結構特點，並與土釘墻和無嵌入排樁多錨支護進行了結構受力對比分析；第三章介紹該支護結構的設計計算方法步驟，詳細介紹了支護結構各部分的設計方法；第四章介紹預應力錨桿肋梁支護系統最重要的兩個部分：帷幕和錨桿的施工技術；第五章介紹了不同土層不同深度的有代表性的三個基坑工程實例。Brake beam four points support
制動梁四點支托Brake beam fulcrum
制動梁支點From the feature of the force and deformation of the tpih, 5 different elements are used to mesh the different zones of the tube, which are structural beam 3d elastic 4, structural pipe plastic straight 20, structural pipe elastic elbow 18, structural shell elastic 4 node 63 and contact 3d pt - to - surf 49 ; the contact problem is assumed to be flexible - to - flexible ; the temperature field is assumed to be body load. a mechanical model corresponding to reality has been established for numerical simulation. based on the above, the 3 - d fem numerical simulation of tpih has been carried out by using the ansys program
針對加熱彎管過程的受力和變形特點，採用三維梁單元、三維塑性直管單元、三維彈性曲管單元、三維殼單元與三維點對面接觸單元等5種不同的單元分別對管毛坯不同區域進行劃分，並對接觸單元採用柔體-柔體的處理方法，將溫度場作為體載荷處理，建立了符合實際的加熱彎管問題數值模擬力學模型：在此基礎上，應用商用軟體ansys對加熱彎管過程進行三維有限元模擬與研究，獲得了成形時推力、彎矩、支撐力大小及其變化趨勢。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。When analyzing skew support continuous curved box girder bridge, curved grid girder analyzing method considering warping effect is applied. matrix displacement method is applied in analyzing skew support continuous curved thin - walled box girder bridge with restrained bearing. in order to convert original rigidity equations to structural rigidi ty equations that can be solved, bearing nodal displacement matrix can be introduced, then unknown quantities at the edge of beams can be consistent with the restrained directions of skew bearings, unit rigidity matrix and unit nodal forces can be gained. structural rigidity matrix can be composed according to matrix displacement method, so nodal displacements and inner forces on the end of the rod that are unknown can be gained calculating equations of inner forces on any cross - section can be solved
分析斜支承連續曲線箱梁橋時，採用考慮翹曲作用的曲線格子梁分析方法，應用矩陣位移法對具有約束支承形式的斜支承連續曲線薄壁箱梁橋進行分析，考慮到支座的約束條件並不與梁端彎曲角位移和扭轉角位移的方向一致，引入支座節點坐標矩陣，使得梁端的位移未知量與斜支座約束方向一致，來計算單元剛度矩陣和單元節點力，然後按照矩陣位移法組集總剛並建立結構剛度方程，根據結構剛度方程即可求解未知的節點位移及桿端力，推導出任意截面處的內力計算公式。Based on analyzing the exploitation and applying of bridge bearing, aiming at the hotspot of bearing research, the paper introduces the isolation bearings " structure and working mechanism. the paper also brings forward a promising isolation bearing model - polysaccharid sliding rubber bearing + high damping rubber damper
本論文在分析國內外橋梁支座開發應用現狀的基礎上，針對目前橋梁支座開發研究的熱點，對現有減震支座的構造和工作機理做了簡單的介紹。認為聚四氟乙烯滑板支座+高阻尼橡膠阻尼塊分離式減震支座是一種很有發展前景的減震支座形式。Secondly, calculation theory of construction for suspension bridge is presented under the ideal condition of dead load design. linetype change stiffness of cable and slip stiffness of supporting points are deduced based on segmental catenary theory. then numerical analysis method through sgkz2000 software are introduced in detail about calculating design linetype for suspension bridge, unstressed length of cable, erection linetype of cable and pre - displacement of saddle without loads, erection linetype of wire strands, the fixed position for erecting cable band and linetype of lifting stiffening girders
其次，根據懸索橋恆載設計理想狀態建立了懸索橋施工計算原理；以分段懸鏈線索理論為基礎，推導了懸索的線形變化剛度和懸索支點的滑移剛度；介紹了懸索橋成橋設計線形計算、吊索無應力長度計算、空纜線形與預偏量計算、絲股架設線形計算、索夾安裝位置計算和加勁梁吊裝線形計算的具體方法、數值演算法及軟體sgkz2000的計算模塊的實現。The third part : according to the verified structural damage identification method and supposing the to - be identified parameters to be independent and have normal distribution, the scheme of identifying bridge structure damage is proposed by using the probability damage identification method. assume the zero - order, the first - order and the second - order perturbation statistics of the frequencies and the mode shapes of the bridge structures are known, and substitute them into the statistics property formulas of the frequencies and the mode shapes, as a result an objective function including the mean values and the variance of all the identified parameters is established. set
對于連續梁橋，當損傷位置位於跨中附近時，大多數無損傷單元的損傷概率均在10 %左右，可作為小概率事件，不發生損傷，但與損傷單元相鄰的無損傷單元，其損傷概率達到20 %以上，很難被排除，只有對這些單元進行二次識別，才能得到比較可靠的計算結果;如果損傷位於支點附近時，則不會出現上述情況，對于無損傷單元，損傷概率都小於10 % ，不發生損傷，損傷識別結果Based on the analysis and comparison of influences of various intermediate support bearing types on the internal forces of the curved girder bridges, the applicable conditions of the different hearing types for design of the curved girder bridges with fairly narrow decks and sharp radii have been obtained
摘要通過中支點不同的支承形式對曲線梁橋內力影響的分析和比較，得出不同的支承形式在較窄和曲線半徑較小曲線梁橋設計中的適用條件。Not only t he self - weigh of every beam, the prestressing, the compression on the support of form scaffolding, constriction of concrete, creeping are considered when the inter nal force is calculated, but also the result of displacement and deviation of th esupport and precamber should be taken into consideration
施工階段的內力計算不僅考慮逐段施工梁的自重，預加應力，模板支架的支點壓力，以及混凝土的收縮、徐變；同時還應考慮施工程序，施工中的支座位移、支座偏差和預拱度等的影響。At this time, the approximate mechanical model of devices has been put forward, which frequency is 70 mhz, then we analyzed the euler ? bernoulli equation, find that the frequency is determined by the resonator ’ s density thickness and length ; the free - free - beam 、 coupled beam 、 support beam 、 transducer have been designed ; the model was simulated and modal analyzed on the coventorware and were consistent with the designed parameter. the silicon surface microfabrication process was developed and emphatically introduced several key surface microfabrication technologies, and was simulated by coventorware
本文通過分析歐拉-貝努立方程，得出濾波器的共振頻率主要由諧振梁的密度、厚度和長度決定，考慮切變形和轉動慣量的情況下，完成微機械諧振梁、支撐梁、驅動電容的設計;在coventorware軟體上進行模擬，分析結果與理論設計比較好地吻合;對微機械濾波器的加工工藝進行設計，給出器件的完整的工藝流程，重點介紹微機械表面加工工藝，並在coventorware上進行模擬。Consequently time and cost can be saved greatly. ( 3 ) design method for controlling cracks in the negative moment zone of the continuous composite girder the crack mechanism of the concrete deck in the negative moment zone of the coniinuous composite girder, the relationship between the crack and the int
分析認為，採用中間支點升降法與調整混凝土板施工順序相結合的施工方法，不僅可以避免負彎矩區混凝土裂紋，還可以合理調整鋼梁和混凝土板的內力，並使端支點與中間支點反力更均勻，使組合梁橋的結構更加經濟合理。Standard test method for flexural strength of soil - cement using simple beam with third - point loading
用簡支梁三點負荷法測定摻土水泥抗撓強度的標準試驗方法On the base of the link ways of each member joint, the dissertation also puts forth a method to simplify the crossbeam bracing structure into spatial truss ， spatial stiff frame and spatial combined structure
橫梁支撐體系根據各桿件結點的連接方式，多簡化為空間桁架、空間剛架或空間組合結構。分享友人