點荷載強度 的英文怎麼說
中文拼音 [diǎnhézǎiqiángdù]
點荷載強度
英文
point load strength-
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。With carbureted high - strength good - quality alloy, the series has the feature of high - efficiency and long life - span, high permissible axial and radial loads, low noise, high reliability and compact structure and so on configuration modality
採用高強度優質合金鋼滲碳游淬火,具有高效率高壽命輪及高許用軸向,徑向載荷,運行噪音低,可靠性高,結構緊湊等優點。In the chapter 3, algor feas ( also called super sap ), a commercial fem software is introduced ; several. problems in building the finite element model of a auto frame is researched ; taking advantages of fem and mathematic programming, a strength analysis method of the frame of a series multi - spindle hydropneumatic suspension automobile is proposed ; taking the structure and load characteristic of a missile ' s frame into account, the static, eigenvalue and response analysis have been made by using super sap91
第三章簡要介紹了大型有限元軟體sap91 ;對車架有限元建模及分析中的若干問題進行了討論;利用有限元法和數學規劃法相結合,提出了一種串聯多軸油氣彈簧懸架車輛車架強度分析的方法;針對某導彈發射車車架的結構和載荷特點,利用sap91軟體對其進行靜力分析、特徵值分析和動力響應分析。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。By using 5000kn pressure - bent testing machine, the specimens of boulder concrete and crushed stone concrete were tested through three - point - bending method and wedge - split tensile method, the scale division of the index dial of pressure - bent testing machine is larger, whereas the predicted test - load is lesser, so the velocity of exerted load is controlled through observing the reading of the multimeter which is connected with the collecting systerm in order to continuously exert test - load
本文使用5000kn壓彎實驗機,對不同強度等級的卵石混凝土和碎石混凝土試件分別進行了三點彎曲試驗和楔入劈拉試驗。試驗過程中,由於實驗機噸位較大,而試驗荷載預計較小,為了能夠有效地控制加載大小和加載速度,採用通過觀察與荷載傳感器相連的萬用表讀數控制加載速度的方法,連續加載。The fastened end of bar was machined to multi cone - shaped heads. through the cone heads compress the inorganic anchoring material, the load was transmitted from bars to base material. it changes the transfer path of loads and takes advantage of high compress strength of inorganic material, thus enhanced the anchor intensity of inorganically post - installed bars
本文提出一種新型的植筋技術? ?帶錐頭無機植筋,它把鋼筋錨固端加工成多個錐頭,通過錐頭對無機錨固材料的擠壓,將荷載傳遞給基材,使基材與無機錨固材料的界面上產生剪壓復合應力狀態,改變傳統植筋的受力機理,利用了無機錨固材料抗壓強度高的特點,從而提高了無機植筋的錨固強度。It shows that the method suggested in the paper is simple, applicable for engineering and has good precision. on the bases of the formulas deduced, and combining with relative test datas, it studies in the paper several factors influencing the bearing performance of the simple beams, such as shape of the external tendons, the equal moment segment length, span - to - depth ratio of the beam, valid initial prestress of the external tendons, area of the internal tension reinforcement, strength of the concrete, vertical distance between
在公式推導的基礎上,結合相關試驗資料,研究了體外筋的形狀、等彎矩區長度、梁跨高比、有效張拉預應力、體內受拉筋配筋率、混凝土強度、錨固點到樑上邊緣在垂直方向上的距離、體外預應力筋水平段長度(雙折線型體外筋的情況)以及荷載類型等對體外預應力混凝土簡支梁受力性能的影響。Firstly, for the system of moulding board and support frame in construction the side pressure and screws are analyzed. the material and structure form of support frame are discussed. the design of support frame uses the method of limited state, and also it analyses the integer stability, part stability, and single stability, and then proposes the load analysis of multi - level support frame
首先,針對轉換層梁模體系及支撐架施工,重點分析了轉換層結構現澆混凝土對模板側壓力值及模板對拉螺桿的計算;討論了轉換層支撐體系的形式及構造,詳細論述了基於極限狀態設計的支撐架計算方法,包括縱橫向水平桿的強度驗算、立桿的整體穩定性、局部穩定性、單肢桿件穩定性等驗算,並提出了多層支撐架的施工荷載計算方法。2. considered the material intensity, girder area, panel thickness and loads as stochastic variables, taylor expansion sfem is adopted to analyze the influence of stochastic variables to the nodal displacement, and the different effects of the different variables to the same nodal displacement are compared. 3
以船舶結構中的材料的強度、梁元截面積、板元厚度和外載荷為隨機變量,採用taylor展開的隨機有限元,分析了隨機變量對船舶結構的節點位移的定量的影響,同時還比較了不同的隨機變量對同一節點位移的不同影響。A model is made according to the bearing and screw style, and the static analysis of the model has been done under launch environment. in the static analysis the couple point method is accepted for the solution of the relationship between the contact parts of the mechanism
然後利用ansys軟體進行了發射荷載條件下機構的強度校驗,在其中提出了利用耦合點來解決有接觸構件的力學分析問題,可以基本滿足問題的要求。A fuzzy - random value taking method for the index of rock point - load
巖石點荷載強度指標取值的模糊隨機方法Standard test method for determination of the point load strength index of rock
巖石的點荷載強度指數測定的標準試驗方法Study of practical formula about strength and rigidity of 6 - point - supported - glass using the super sap fea software to solve different calculation models - which have different parameters, such as a / b, a / c and so on, this paper achieves a series maximum deflection coefficients and maximum stress coefficients, then form calculation formulas of maximum deflection and maximum stress under the load of wind
6點支承玻璃強度剛度實用的計算公式研究採用supersap有限元分析,求出不同的計算模型(玻璃板的尺寸參量a b , a c不同) ,得出一系列最大撓度系數和最大應力系數,形成6點支承玻璃在風載荷作用下的最大撓度計算公式和最大應力的計算公式。Research results show that foundation pit slope soil structure destroy characteristic is subgrade shear strain destroy, namely, it is gradually destroy. lateral displacement of retaining and protecting piles has relations with embed depth, load grade and strength index parameter. soil displacement and timbering pile displacement are in harmony with deformation
研究結果表明,基坑邊坡土體具有地基整體剪切變形破壞的特點,系漸進破壞的過程;支護樁側向變形是樁嵌固深度、荷載大小、土體強度參數變量的函數;土體的位移和支護樁的位移滿足變形協調條件。3. the test study indicates that the load - deflection curves of frp reinforced concrete beams reinforced can be divided into two linear stages through the boundary point of initial cracking
試驗研究表明,纖維增強塑料筋混凝土受彎構件的荷載撓度曲線以截面初裂為界限點分為兩個線形階段。Simultaneity, various single fiber strength tests ( sft ) and the single fiber fragmentation techniques were discussed, and the influence of fiber surface treatment on the single fiber strength and the interface load - transfer were discussed in detail. the two parameters weibull statistic theory was used to evaluate the scattering of the tensile strength test results of three types of single fibers with different surface treatments. the following conclusions can be drawn based on the analysis of the results
同時,文中詳細討論了單纖維強度測試實驗( sft )和單纖維復合材料斷裂實驗( sfc ) ,重點討論了纖維表面處理對單纖維拉伸強度和界面載荷傳遞能力的影響;採用兩參數weibull統計理論對經過三種不同表面處理的單纖維拉伸強度的測試結果的分散性進行了評價,獲得了理想的實驗結果;分析實驗結果可得到如下結論, sft實驗與sfc實驗獲得的界面剪切強度吻合良好;經過表面處理的玻璃纖維的界面粘結情況較未經處理的玻璃纖維好;經過表面處理的玻璃纖維的界面粘結強度和單纖維拉伸強度均高於未經表面處理的玻璃纖維。Speaking in detail, for every specimen, we study the for of the cracking load, yield load and failure load ; the ductility property ; the property of hystersis curvs and keleton - frame curves ; the degree of initial stiffess and stiffness degadation. secondly, the two different suo nlgn use ltslaences , wmcn are ootll shear wsll sttllctlllt , are tab6n as instanop the shear ’ wsi is oin 卜 hot8qopo inww 田 l ! s ot 以 j 口 willo 地 勸 憂 地 epo o odod sqo8qopt solidndls ofr c l w means or0 卜 0nm elemem ana 吹 lsptwtodd ’ mlmwe m 加 柏 mm are d an 邑 以 胡 a ann compcomparen in severm es 叮 wsllcll as scu 一 陽 i 朗 l p 一 ndnd mdede so ess d laterm seimic e anu so on ’ inatty , tiep 訓 頒 oility of hollow shear wal of rc in d suo ra use reslaences s ant l
首先研究在低周反復水平加載試驗下試驗對象的強度、變形和能量的特性:開裂荷載、屈服荷載、破壞荷載;各試件的滯回曲線和骨架曲線;延性情況;初始剛度和剛度退化等參數:進而用satwe有限元程序分析對比了某一小高層剪力墻結構在採用空心剪力墻板和採用普通實心剪力墻作為墻體的結構受力異同點,在質量、主振型、剛度、水平地震效應等方面做了對比。On the whole, the author began with the actual state of catamaran research, introduced its structure character, performance, loads and strength calculation. as the most important part the cross - structure was discussed in detail. after presenting the former experience formulae, this thesis deduced a series of concise formulas and checked in three sets of ship data
整體來說,本文從雙體船的研究現狀入手,詳細分析了該船型的結構特點和總體性能,對其所受載荷和總體強度計算做了基本的說明,針對連接橋這一關鍵環節展開詳細討論,在演算法上介紹了前人的經驗公式,分析比較得出更為準確的簡化公式,並結合實船數據進行驗算。The designing of an early - warning system of missile has difficulties because it needs smaller mass, great rigidity, high strength as load on the satellite. it also needs real - time tracing and a pointing and tracking system with stationarity, rapid rotation and high precision
設計導彈預警系統難點在於:作為星上載荷,要求質量小,剛度、強度大,要實現實時跟蹤目標,要求指向跟蹤系統轉動平穩、快速,精度高。The tradi - tional pre - stressed reinforced concrete hollow slab has not met the needs of the con - struction market, which leads to the shrink of the prefabricate part industry, in order to prosper the prefabricate part industry in our country and make the best of the advan - tages of pre - stressed reinforced concrete hollow slab, we should use the high effective pre - stressed reinforced concrete hollow slab made of high strength material, for the reason that it not only inherits the advantages of the traditional pre - stressed reinforced concrete slab, but also meet the needs of big - span, large - load modern buildings, has better ductility and crack control property, lower cost and more competitive in the mar - ket
傳統的預應力空心板已經不能滿足建築市場的要求,也導致我國的預制構件行業的萎縮,為了振興我國預制構件行業,充分挖掘預應力空心板的優點,利用高強材料生產的高效預應力空心板不僅具有傳統的預制板的優點,且能夠較好地滿足大跨度、大荷載的現代建築的要求,其延性及裂縫控制性能均優于傳統的預應力空心板,而且生產成本降低,具有很強的市場競爭能力。分享友人