載荷等級數 的英文怎麼說
中文拼音 [zǎihéděngjíshǔ]
載荷等級數
英文
load classification number- 載 : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
- 荷 : 荷名詞(蓮) lotus
- 等 : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
- 級 : Ⅰ名詞1 (等級) level; rank; grade 2 (年級) any of the yearly divisions of a school course; gra...
- 數 : 數副詞(屢次) frequently; repeatedly
- 載荷 : load; loading載荷變化 load fluctuation; variation in load; 載荷裝置 load device
- 級數 : [數學] progression; series; number of stages; number of steps; stage number級數變換 transformatio...
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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 collapsible loess is often met during the construction of the high - grade highway in the loess area, and the main failure is the uneven subsidence of the roadbed and the culvert, which affects the safe usage of the roadbed and the culvert, etc. directed against this, based on the chankou - lanzhou freeway construction, the paper analyzes the application of the composite ground formed by lime - soil pile under the bridge and designs the project, discusses the rules of the contact pressure, the stress ratio of the pile and the soil, compares the p - s curves of one pile, the composite ground formed by one pile and the composite ground formed by two piles based on the in - situ plate loading test, evaluates the bearing capacity of the composite ground of the project
黃土地區的高等級公路建設中經常遇到濕陷性黃土問題,其病害類型主要是地基土受水浸濕后引起路基、橋臺、涵洞等的不均勻沉降,直接影響路基、構造物等的正常使用。針對此問題,本文依託甘肅讒口至蘭州柳溝河高速公路建設工程,對橋基灰土樁復合地基應用的可行性進行了深入分析,根據具體工程進行了合理的設計與計算,並配合現場靜載荷試驗及壓力盒實測數據,探討了基底應力分佈規律,樁土應力比,變形模量的變化關系,對比分析了單樁、單樁復合和雙樁復合的p ? s關系,對橋基灰土樁復合地基承載力進行了整體評價。And so on, to understand the influence for the m - relation curve of special - shped column rection with considerd the sliding of reinforcement anchoring. and compared the results to rectangle rection, analyzed the effect with the ductility of the special - shaped column by the factor referd ahead
通過改變荷載角、軸壓比、混凝土強度等級等參數,來深入了解考慮粘結滑移后對異形柱截面彎矩?曲率關系的影響,並分析了上述因素對異形柱截面延性性能的影響。Fourth, according to the weibull distributing functions of equivalent loads, calculated the max loads by expanded sample method, acquired eight routine loads spectrum of each roads taking advantages of the connover classification method, calculated the respective enhancement coefficient in principle of amended miner linear accumulated fatigue damage rule, by the comparative norm of general tar - paved road, educed the mathematical model of calculating enhancement coefficient of synthesized roads
利用數理統計的方法得到了各路面的等效載荷的weibull分佈函數。第四,根據各路面的等效載荷的weibull分佈函數採用擴展樣本法求得了各路面的極值載荷,按照connover的分級法得到了各路面的八級程序載荷譜。以一般瀝青公路為比較基準,採用修正的miner線性累積損傷理論,根據前橋的s - n和p - s - n關系式得到了各路面的強化系數,建立了綜合路面的強化系數計算的數學模型。The paper made up a flexural experiment with six pieces of composite slab. during the every step of load exerted, the paper recorded the strain of cold - form steel deck and concrete, deflection, crack, slide, ultimate bearing capacity. by changing the thickness of cold - form deck, thickness and strength of concrete, amount of steel stud and other parameters, the paper discussed the behavior of loaded composite - slab
本文進行6塊組合板的抗彎性能試驗,測試各級荷載下壓型鋼板及砼應變、組合板撓度、裂縫、板端滑移、組合板抗彎極限承載力;通過壓型鋼板厚度、砼板厚度、砼強度等級、栓釘數量等幾個參數的變化,探討組合板在荷載作用下的內力、變形情況。Here aiming at temperature and traffic load factors, have a systemic study about strcture ' s stress distribution. plan is to make use of ansys to calculate pavement structure ' s distortion with full grade gravelly interlayer carefully through changing each layer ' s thickness and module. next, analysize stress among bottom of surface asphalt layer and top of semi - rigitidy base. lastly. make a conclusion : how to distrube stress and strain about the structure after adding gravelly interlayer
方法是採用ansys對加設級配碎石基層半剛路面結構進行多種參數模擬計算,通過改變結構材料厚度、模量等觀察基層和面層應力變化,研究碎石基層怎樣調整結構應力而防止了溫度和行車荷載產生的過大拉應力,避免基層產生內部裂縫。With the data recorded by computer, the author studies the experiment progress in detail, which includes the development of pore press, strain, strength of the sand, etc. connecting the development of these phenomena with the development of stress path, the author finds new mechanism which can explain the phenomena in the experiment. what is more, according to the dynamic test of the sand, there appears a steady state at the last phase of the development of strain and stress path, in which the strength of the sand is studied because it is an important parameter in evaluating the stability of sand against liquefaction. secondly, the dynamic constitutive relation was studied through the dynamic tri - axial test
本文首先採用目前國內較先進的微機控制動三軸儀,利用其可以適時採集和儲存數據的優勢,對砂土的實驗過程進行了細致的分析,研究該過程中孔隙水壓力發展、軸向應變發展以及它們與應力路徑之間的關系,對飽和砂土的剪脹、剪縮和卸載體縮等多個方面進行了研究,探索了砂土的動力特性,分析了影響砂土抗剪強度的各種因素,這些因素既包括土本身的特性(土的密度、結構、級配、透水性以及初始狀態等) ,又包括動荷載的特徵(振動力幅值大小和振動頻率等) 。The dynamical parameter was regarded as evaluation guideline, and through investigating the change characteristic of the basin and modulus under different destroy boards, different area and different level loads, the identify methods of the pavement bursted have been given and we advise to use synthesize modulus ratio to evaluate the pass - loads capacity of the joints. we have also discussed the influence of different level loads to the joints pass - loads capability, and confirmed the commonness and oneness of the influence of the pass - loads and bursted to the basin and modulus under the critical loads, and the range of the critical loads was also given. basing on the determination of the pass - loads a
以動態參數作為評價指標,通過研討不同破壞板的不同區域,在不同等級荷載作用下彎沉、模量的變化特性,提出了路面脫空識別辦法以及利用綜合模量比來評價接縫傳荷能力的思想,探討了不同等級荷載對接縫傳荷能力的影響特性,確定了臨界荷載下傳荷與脫空對彎沉、模量影響的共性和單一性,並確定了臨界荷載的范圍,在判定脫空和傳荷基礎上提出了水泥混凝土路面的壓漿效果的評價方法,通過研討荷載與動態模量的關系,對地基的動態性能進行了系統的分析與評價。After the evaluation of the three parameters in the proposed creep model, which is based on the large numbers of experimental measurements of concrete creep, the influential regularities of concrete filled steel tube columns under long - term loading are investigated. by dispersing time, the method of tangent modulus is adopted to study the relation of creep strain and load time. in the end, this paper took cft specimens with representative geometry and sectional dimensions as examples and adopted the proposed method as an approach to investigate the influencing regularities of many factors, which include the ratio of long - term load to strength, the slenderness ratio, the eccentricity ratio, and the intensity grade of concrete, on cft structures
在對鋼管混凝土構件長期荷載效應的分析中,本文基於三維粘彈性理論,採用三參數粘彈性模型,提出了核心混凝土徐變的三維有限元分析理論,在總結過去大量關于混凝土徐變試驗實測結果的基礎上擬合了模型中的三個參數,並成功將其應用於鋼管混凝土徐變的三維分析計算中,得到徐變與持荷時間的關系,以典型截面形式的圓鋼管混凝土軸壓、偏壓構件為例,對軸壓比、長細比、含鋼率、偏心率以及核心混凝土等級分別進行了大量的參數分析和實驗對比研究,結果表明二者符合較好。A continuously variable transmission test bench is built. an autocontrolling software about continuously variable transmission system is developed, the data of engine throttle opening, speed ratio of cvt and load can be gathered in test bench and the system can be controlled
搭建了無級變速傳動系統實驗臺,開發了無級變速傳動自動控制軟體,在實驗臺上實現了發動機節氣門開度、無級變速器速比及載荷等數據的採集及計算機自動控制。Planning and scheduling satellite ' s payloads is to arrange the working mode of payloads under the limited resource on satellite, optimize the scheme of resource. the related theory and application with planning and scheduling technology are introduced firstly
在衛星資源受限時,規劃與調度應該能夠根據有效載荷的優先等級、資源請求和衛星的資源情況,合理安排各個載荷的工作狀態,在滿足各種資源約束的前提下最大限度的獲取科學數據。Nowadays, the pcc pile have been widely used for soft ground improvement and application of foundation engineering. the behavior of pcc pile, that subjected to lateral load has been studied in this paper. the behavior of the pcc pile has involved moment and horizontal displacement and load of pcc pile. they are studied by in the physical model experimen, field test finite element numerical analysis, and exponential progression solution. in additional, the comparatively computal analysis are carried out among pcc pile, cast - in - situ concrete circular pile, prefabricate concrete square pile, and obtain some signification conclusion
本文主要圍繞現澆混凝土薄壁管樁(以下簡稱pcc樁)這一新型的樁基結構型式的水平承載性狀展開研究,通過室內模型試驗、現場試驗、有限元數值模擬分析試驗及彈性冪級數解析法分析等手段,對pcc樁水平承載的樁身受力性狀,樁身撓曲位移,樁身彎距分佈,樁與樁周土相互作用的地基反力等幾方面進行了初步的探討和研究,最後將pcc樁與目前工程中的兩種常用於承受水平荷載的樁型進行對比計算分析,得到有意義的結論。The maximum transmission efficiency of two - stage three - ring gear reducer is 93 %, and the load distribution non - uniform coefficient is less than 1. 1, and its vibration acceleration is less than acceleration of ordinary three - ring gear reducer that has the same properties
該兩級三環減速器的傳動效率達93 %以上,載荷分配不均勻系數小於1 . 1 ,振動加速度值也小於同等傳動能力的一般三環減速器。分享友人