端部荷載 的英文怎麼說
中文拼音 [duānbùhézǎi]
端部荷載
英文
end load-
In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test
然後，對巖土工程領域至今尚未解決，甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討，提出了考慮地基變形的地基承載力上程計算方法；對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎（空間問題）的承載力界限荷載p _ （ 1 / 4 ） ，並與國內外土力學專著及地基基礎設計規范中的條形基礎（平面問題）的界限荷載p _ （ 1 / 4 ） ，進行了對比，從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況；根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作，本文以截頭錐模型模擬地基，對地基（巖基）承載力的動測法進行了研究，為各類地基（包括巖基） ，匯總了動力分析和檢測川的參數：針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題，從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論；本文作者根據多年現場載荷試驗的工程實踐，對深井荷試驗裝置的核心部分? ?反力裝置，設計了側壁支撐反力加載系統，該加載系統具有實用、簡便、穩定及安個等優點。The regularities of pile - top reaction distribution, the carrying load ratio between pile and raft, the settlement and the imparity settlement of foundation in the frame - tube structure and the single wall are influenced by some factors such as the stiffness of the superstructure, the intensity of the soil under the piles, the length and radius of the piles, the distance between the piles, the thickness and the suspended width of the raft
對豎向荷載作用下的空間筒中筒結構、樁筏基礎和地基進行了三維有限元分析。研究整體結構和單片墻結構在上部結構剛度、樁端土強度、樁長、樁徑、樁距、筏板厚度、筏板外挑寬度等影響因素變化時的樁頂反力分佈規律、樁筏荷載分擔比、樁基沉降和差異沉降規律。Abstract : the paper probed the analysis on the adding mode of perpendicular load in multistorey building structures, the bending moment of frame side beams and the top, the bending moment of secondary beams, the difference between the tie - beam, plane - frame analysis and the space analysis on the path of conduct force, ect. it can be used as a reference when probing these problems
文摘:討論了在多項高層建築結構分析中垂直荷載加載模式的選擇，框架邊梁和次梁端部的彎矩計算，連梁問題和平面框架分析與空間分析在傳力路徑上的差別以及單片剪力墻平面外彎矩等問題，可供同類結構內力分析時參考Two numerating methods are used in traditional structural design of gate chamber. first, considering the gate frusta to be fastened on the weir body, it is calculated as plane stress problem independently. then applying the results ( moment and vertical force ) on the bottom of gate frusta as concentrating load on the weir body, and the weir body is viewed as a elastic foundation beam or plate and unilateral stress analysis was performed
傳統閘室結構計算有兩種計算方法，其一是將閘墩視為固端于堰體上，單獨進行閘墩平面受力計算，再將閘墩下部的計算結果（彎矩和垂直力）作為集中荷載作用於堰體上，堰體作為彈性地基梁或板進行片面應力計算。Under special conditions such as low partial load / deep vacuum, unexpected high air leakage resulting in a major temperature difference ( above 10 c ) between the steam exhaust turbine temperature and all air - take off temperature measurement, the suction capacity can be improved by using 2 main ejector simultaneously
在特殊條件如局部低載荷/極端真空，不正常的熱交換，意想不到的高空氣泄漏導致的在蒸汽排氣溫度和抽空溫度測量上產生的嚴重溫差（ 10 c以上） ，用兩臺主抽汽器同時工作可以提高抽氣量。This thesis investigated and researched on non - loaded crack, especially those caused by thermal - shrink, and analyzed the thermal - shrink stress of beam, slab and continuous - wall, found that according data of civil and overseas offered thermal - shrink calculating formula without considering effect of factors, such as the cement quantity, using of aruhuesiru, aggregate size and quantity of sand, which made the result data smaller. in addition, there are not enough construct measure in code
本文對非荷載裂縫，特別是溫度?收縮裂縫進行了調查研究，並對兩端或四周約束的梁、板和底部約束的地下連續墻進行了收縮應力分析，發現國內外有關文獻給出的收縮計算公式沒有考慮泵送商品混凝土的水泥用量、外加劑使用、骨料粒徑和砂用量等因素的影響，計算出的混凝土收縮量往往偏小；另外， 《規范》中針對溫度?收縮裂縫的構造措施不足。In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented
本文借鑒鋼框架節點構造，設計了四種類型矩形鋼管混凝土柱與鋼梁連接節點，包括常規栓焊（ wfp ）節點、翼緣全螺栓連接（ bfp ）節點、雙t板連接（ dst ）節點以及加勁端板連接（ sep ）節點，進行了四類節點8個模型試件在柱端低周反復荷載作用下的抗震性能試驗研究，比較了不同軸壓比下節點的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵，主要結論有： 1 、節點的位移滯回曲線與轉角滯回曲線為塊型分佈，沒有或略有捏攏現象，耗能能力強； 2 、軸壓比對節點滯回曲線有顯著影響，全部節點都有顯著的剛度退化； 3 、位移與轉角骨架曲線在峰值荷載後有較長的水平或下降段，具有良好的延性性能； 4 、從整體抗震性能上看，翼緣全螺栓連接節點、雙t板連接與加勁端板連接節點都優于常規栓焊節點，可在實際工程中加以推廣。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。The calculation result is compared with that of some experiments and other references, and it is satisfactory. the subroutines can be applied to the stress analysis of turbine disks in aeroengines
計算結果表明介面子程序具有在不同應變率條件下、應變率跳級拉伸條件下以及循環載荷條件下的模擬能力，程序正確、可靠，適于渦輪盤等發動機熱端部件的應力分析。Regarding the rc beams subjected to concentrated load or even load and braced by bonding steel, an analysis is made on the relevant factors influencing maximum anchorage shear stress of steel sheet. the analysis is based on elastic theory and makes use of the formula for calculating anchorage shear stress of steel sheet. as indicated by the results, the maximum anchorage shear stress not only realtes to such parameters as height of cross section of rc beam and span but also relates to the thickness of adhesive layer, elastic modulus, thickness of steel sheet, and length of steel sheet. the present method will check maximum an chorage shear stress on the end of shear sheet so as to prevent rc beam from local damage. the present results will offer important reference for our country to further perfect bracing design by bonding steel method
在彈性理論的基礎上，利用鋼板錨固剪應力計算公式，對在集中荷載或均布荷載作用下採用粘鋼加固的混凝土梁，分析鋼板錨固最大剪應力的有關影響因數.結果表明，最大錨固剪應力不但和混凝土梁的截面高度、跨度等參數有關，還和粘膠層厚度、彈性模量、鋼板厚度及鋼板長度有關.採用文中方法可以對鋼板端部最大錨固剪應力進行驗算，防止混凝土梁出現局部受拉破壞.研究結果為進一步完善我國粘鋼法加固設計提供重要的參考資料Through the experimentation for the physical performance of cfpb masonry under local compression, the author has observed the deformation and failure of cfpbm. based on the mathematical statistics and regression analysis of the experimental data, the author derived a feasible and common formula for counting the cfpbm ' s local compression strength regarding the different local compression locations, analyzed stress distribution of local bearing masonry under beams end, and provided the calculating formula on effective supporting length of beam end in brick masonry. as the results of experiments demonstrate, owing to the cfpb ' s own holes " system, the beneficial effects, the bounding effect of surrounding masonry and the spread effect of force, have not developed completely
試驗結果分析表明：由於多孔磚自身的孔洞結構，砌體內部的圍箍作用和力的擴散作用未得到充分發揮，局壓強度雖較軸心受壓強度有所提高，但仍低於同情況下實心磚的局壓強度；當有上部荷載作用時，對砌體局壓有利的懸臂卸荷作用和內拱卸荷作用均不明顯，因此在推導梁端局壓強度計算公式時，未考慮此可能存在的有利影響，計算偏安全；局壓強度提高系數公式除採用規范公式（二項式）的表達式，還用對數式進行了回歸推導，得到了一個較為普遍的公式；論文還對梁端局壓的梁端有效支承長度計算公式進行了回歸推導。For the structure that the side - frusta is also used as retain wall, considering the side frusta fastened on the weir body, the plane stress is calculated at first. then the moments, horizontal shear force and vertical force on the bottom of the retain wall are applied as fixate, and stress distribution on the weir body are calculated piecewise
對于邊墩兼作擋上墻結構，通常是將邊墩視為固端于巖體上，先進行下端為固端的擋墻平面受力計算，再將擋墻下部的彎矩、水平剪力和垂直力作為集中外荷載進行堰體的應力計算，堰體也只能分段進行片面受力計算。On the basis of simplified calculation model presented by doctor wangxiaoping, some finite element models are set up. by finite element model program sap93, an analysis of static models of 18m - span and 30m - span w666 acmr in different supporting conditions is made. also a study on the relation between definite support displacement, which reflect variational stiffness of substructure represented by steel column or reinforced concrete column, and load - carrying capacity mechanical performance is made too
本文以w666金屬拱型波紋屋頂為研究對象，沿用王小平博士的簡化計算模型，對18m 、 30m跨波紋拱兩端不同支座形式（鉸支、固支和彈性支座）分別利用有限元計算程序sap93進行計算分析，研究波紋拱在不同跨度，不同支座形式下，不同外荷載作用時對該結構受力性能及穩定承載力的影響，同時分析下部支承鋼柱、鋼筋混凝土柱的剛度變化體現為允許支座位移的大小與結構受力性能及穩定承載力之間的關系。In the paper, the method of equivalent stress is adopted to confirm the outside force of the truss model, and the factor of the angle of inclined column is considered. a design method of the wall was suggested
採用等效應力法確定了桁架模型的外力，即薄壁柱傳來的荷載，其中考慮了斜柱的傾角以及反映薄壁柱與轉換梁共同作用的薄壁柱端部塑性發展系數的影響。In staged construction process, study is primarily aimed at the truss load resistance capacity and flexural performance under construction and design load, combination performances of steel trusses in conjunction with concrete beam, the vertical displacement difference of two steel trusses with different span and their lateral stability, the glide displacement of the steel truss end during construction, the load resistance performance of steel trusses and concrete structure at the designed load, and the extreme limit loads and the breaking appearance of the combined steel trusses
主要研究了在階段施工過程中，鋼桁架在施工荷載及設計荷載下的受力性能和變形能力；鋼桁架與混凝土梁板的共同工作性能；兩榀不等跨鋼桁架在整體受力下的豎向位移差及其對結構的作用和側向穩定性；鋼桁架端部在施工階段的滑動情況；使用階段鋼桁架及其端部混凝土結構的受力性能；組合鋼桁架結構的極限承載力和破壞形態。Based on a large numbers of model / simulation test of the intermittent cracked rock - like samples, fatigue strength, fatigue deformation and crack appear in preexisting cracks tips, the growth of crack, the pattern of crack coalescence are studied / analysed systemically by means of cyclic load and static load, in the course of the model test, the difference between cyclic load and static load of crack appear in preexisting cracks tips, the growth of crack and the pattern of crack coalescence are observed and analysed
在試驗過程中，觀察並分析了循環加載方式下，預置裂隙端部裂紋萌生、擴展、巖橋貫通模式與靜載方式下的差異；探討了疲勞裂紋萌生、擴展的機理，分析了加載頻率、荷載水平對裂隙試樣疲勞強度、疲勞變形（總變形和不可逆變形）的影響規律。The following principles are proved : increasing cfp adhesive length will release the concentrating of shear stress near the cutoff point, this will lead to the increment of loading - bear capacity of concrete beams ; increasing the thickness of cfp will improve the transition of load from concrete beam to cfp, this is useful to exert the potential of cfp ; in creasing the anti - shear modulus of adhesive will result enhance the concentrating of shear stress, this is harmful to the effect of cfp reinforced concrete beams
本文的理論分析結果可以表明：增加碳纖維板的粘結長度可以緩解碳纖維板端部界面上的剪應力集中，改善混凝土梁結構的加固效果；增大碳纖維板的粘結厚度可以增大界面上的剪應力，改善混凝土樑上載荷向碳纖維板的傳遞效果，有利於充分發揮碳纖維布的潛能；如果粘結膠層的抗剪模量過大會加劇剪應力的集中，從而對碳纖維加固的效果不利。After comparing between the finite - element analysis and experimental results, the author verified the fem. then according to the chinese code, the nonlinear finite model of the beam - to - column is established which are made of different size components. the responses of beam - to - column web moment connections which are made of different size components are compared and analyzed from three facets, and the conclusions about the joints behavior are drawn : thicken the connection plate, lengthen the connection plate or use a back - up stiffer can improve the connection behavior, consist of improving the behavior of load - supported and reducing the stress convergence in the flange moment plates
本文根據我國規范的有關規定，自行建立了12個不同構件尺寸的樑柱腹板連接的三維有限元模型，對不同構件尺寸的樑柱腹板剛性連接節點在單向荷載作用下的反應進行了研究，從結構的mises應力等值線示意圖、梁端加載處的荷載? ?位移曲線、翼緣連接板兩端的mises等效應力以及翼緣連接板與柱相連接的三邊的mises應力等值線示意圖四方面進行了比較與分析，從而得出了不同構件尺寸的樑柱腹板剛性連接的在受力行為上的結論：增加翼緣連接板的厚度、增加翼緣連接板的長度以及採用柱的橫向加勁肋均可以改善節點的受力性能：提高節點的承載能力；減小翼緣連接板內部與柱翼緣邊的的應力不均勻現象，從而避免試件過早地發生破壞。It is found mat many factors under working load are different between agitation pile composite foundation and plain concrete pile composite foundation, and analyze the reasons, describe the factors of two composite foundations under working load. the second, the module of the ground consisted of construction garbage is inverse analyzed with finite element analysis. then some mechanics rule of rigid pile ( plain concrete pile ) composite foundation is educed
而對于用粉質粘土填土樁距較小的柔性攪拌樁，樁間土和樁的相對位移很小，樁群和樁間土形成了一個加固整體，應力在樁頂和樁端較集中，大部分的荷載傳到樁端土和下臥層中，起到了很好的擴散荷載的作用。Plastic piping systems - end - load - bearing and non - end - load - bearing assemblies and joints for thermoplastics pressure piping - test method for long - term leaktightness under internal water pressure iso 13846 : 2000 ; german version en iso 13846 : 2000
塑料管道系統.熱塑承壓管用端部荷載軸承和無端部荷載分享友人