bottom load 中文意思是什麼

bottom load 解釋
底負荷
  • bottom : n 1 底,底部。2 地基,基礎;根底;底細,真相,原因,根源。3 (樹的)根干;(山)麓麓;〈方,常 pl...
  • load : n 1 裝載,擔子;負擔;工作(負荷)量。2 (車船等的)裝載量;一馱,一車,一飛機。3 【電、機】(機...
  1. In single pylon cable stayed bridges, and cable stayed bridges without backstays, when the bottom of the tower bears the moment from the dead load, it is concluded that non - symmetric configuration of pile cluster corresponding to the upper structure is more practical than symmetric configuration of pile cluster

    當獨塔斜拉橋、無背索斜拉橋等橋梁塔底永久作用有彎矩時,與完全對稱的基礎形式相比較,和上部結構相協調的不對稱基礎形式更加適用。
  2. The research information of the slab that has been used for forepassed decades is extremely few. there is a lack of the method of calculating load bearing capacity of slab with slightly curved bottom in our bridge criterion

    在過去的幾十年中,微彎板的研究資料極少,我國橋梁規范中尚無微彎板的承載力的確定方法。
  3. For the 30. 2mm shaft, there are still larger over measure to load. the strength is increased by optimization. for ? 17. 4mm shaft, the strength is increased by enlarge the inner dimension of the spline ; for 30. 2mm shaft, the strength is increased by adjust the structure at the boundary between the key groove and the ring groove, the highest stress of the shaft is at bottom and terminal of the spline after optimization

    其中對17 . 4mm泵軸的優化,通過增大花鍵內徑,提高了花鍵齒底的強度,降低了應力集中點附近的應力;對30 . 2mm電機軸的優化,通過在軸承鍵的環槽端增加倒角,有效降低了該位置的應力集中,使軸的最大應力點從軸承鍵與環槽的交界處轉變到花鍵根部與收尾的交界處,提高了電機軸整體結構強度的合理性。
  4. 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。
  5. Prospect dtzziii series weight - load controller sensor part adopt bridge - type strain piece sensor, and applies steady installation technology to insure sensors running steady and long - range. we provide multi - kinds of sensor installation method. sensor can be installed under the car bottom, on elevator rope hitch plate, on car top wheel and axle and car top beam to work together with controller

    前景dtzziii系列稱重控制儀的稱重傳感器部分採用橋式應變片傳感器,應用平穩安裝技術確保長期穩定運行稱重傳感器提供多種安裝方式,可以安裝于活轎底電梯的轎廂轎底電梯繩頭板處電梯轎頂輪軸處電梯轎頂橫樑上面等,與控制儀配合使用。
  6. In different in terne die travel, the metal flow characterize in warm extrusion forming processes and the affection for the flow of metal stage which made by the difference between the blank bottom altitude and the axial direction limiting size in warm extrusion forming technique have been analysed we have gotten the equivalent strain field and the velocity field and other field variable that the blank in different in terne die travel and the die travel - load curve. at the same time, we have analyzed the contributing factor for the oil pump stator forming process optimized and achieve thereasonable die parameter for the war m extrusion forming finally, the optimized technics parameters were used into pilot production, then the qualified oil pump stator forging were produced, the analog results were compared with those of pilot production

    論文具體分析研究了不同成形工藝過程中金屬流動的特點,並對不同凸模行程下溫擠成形過程中的金屬流動特點、坯料連皮厚度(底部高度)與溫擠壓成形工藝中的軸向界限尺寸的差值對金屬變形階段的影響進行了分析,獲得了坯料在不同凸模行程下的等效應變場、速度場等場變量及凸模行程-載荷曲線,同時對油泵定子成形過程的影響因素等進行了分析,優化並獲得了合理的溫擠成形工藝及模具參數。最後,利用模擬優化獲得的各項工藝參數進行生產實驗,得到實際生產出的合格油泵定子件,並將模擬結果與生產實驗結果進行比較。
  7. Because it is simple to make manufacture slab with slightly curved bottom, and is economical to use steel, and is relatively great in aspect of load bearing potential capacity, the slab often has been used as braced arch and rigid - frame arch bridges " deck slab in 1970s and 1980s

    由於微彎板具有製作簡單、用鋼量省、承載潛力較大的優點,因而上世紀七、八十年代,在剛架拱橋、桁架拱橋中常用作橋面板。
  8. On the basis of the test and finite element analysis, and on the experience of exsting research payoffs, this paper advance the method of calculating load bearing capacity of slab with slightly curved bottom considering membrane effect of the slab, and deduce the corresponding formulas

    在試驗和有限元分析的基礎上,借鑒已有的研究成果,本文提出了考慮薄膜效應時確定微彎板承載力的方法,並推導出相應承載力計算公式。
  9. The mass of the slab have diseases in varying degrees by investigation, so the problem faced us is to strengthen and remake the slab. in addition, the slab will be used in underdeveloped region of our country. therefore, it is very important to evaluate the load bearing capacity of slab with slightly curved bottom

    微彎板在橋梁中使用已有三十多年,在調查中發現大多微彎板都存有不同程度的病害,也就面臨著對舊橋微彎板的加固改造的問題;另外,在我國某些經濟尚不發達地區的橋梁建設中仍在採用,因此,對微彎板的承載力的正確評定也顯得十分重要。
  10. To evaluate load bearing capacity of slab with slightly curved bottom, and provide scientific basis for strengthening and remaking and designing the slab, this paper discuss the method of calculating load bearing capacity of slab with slightly curved bottom according to the ministry of communications " scientific research project, that is technique research of detection, evaluation and strengthening and its spread

    為了對其承載力做出較正確評價,並能為加固改造、設計提供科學依據,根據交通部《公路舊橋檢測評定和加固技術研究及推廣應用》科研項目的要求,本文對微彎板的承載力確定方法進行研究。
  11. At first, based on the results of in - situ load tests, the load - settle curves are acquired, and the effects of different reinforcement parameters are presented. these parameters include the linear density ratio ( ldr ) ; the location of the top layer of the geobelt measured from the bottom of the load plate ( u ) ; the different materials of geobelt ; the number of reinforcement layers ( n ) and the distance between the two layers of geobelt ( a h ). these results show that the bearing capacities of the reinforced composite foundation can be improved and the settlement can be reduced

    首先,通過現場載荷試驗,獲取了加筋墊層復合地基荷載-沉降曲線,從筋帶鋪設的密度、筋帶的首層間距、不同筋帶材料、加筋層數以及雙層筋帶的層間距等幾個方面分析了以上加筋參數對加筋復合地基承載力的影響,指出筋帶的存在提高了加筋復合地基的承載力,減小了沉降。
  12. Under the load of high basicity occur three circular crevices from top to bottom at the furnace hearth parallel to the furnace shell

    在高堿度負荷下,該高爐爐缸部位產生了平行於爐殼的至上而下的三條環裂。
  13. The main original work is as the followings : 1. longitudinal vibration of an integral pile in an uniform soil with end bearing boundary or elastic bottom boundary undergoing vertical harmonic load is theoretically investigated

    主要工作如下: 1 、分別對均質土中完整端承樁和彈性支承樁在垂直諧和激振力作用下的縱向振動特性進行了研究。
  14. Load : 0. 5 - 3t. jumbo bags are ideal packing for chemical, cement, grain, mineral, and other goods in the shape of powder, granular and lump. top : spout in, and bottom : spout out

    我公司在2004年產值已超2000千萬元統計局資料,我公司有著成熟的生產工藝,優越的產品質量,良好的服務質量。我們的產品銷往全國及海外
  15. Through the research and analysis on the three aspects concerning the base interface of the pavement panel, crack accumulation, expansion in the pavement panel and interaction between spring plates on the road surface as well as its damage on the road fatigue, it is first brought forth that the process of fissures and breakage in the cement concrete pavement can be divided into three stages, i. e. stage of initial crack formation and damage in the bottom of the pavement slab, stage of accumulation, intensifying & expansion in ruptures from load during the time of use and stage of fissures & breakage in the pavement

    通過對路面板底界面開裂、路面板中裂縫積聚、擴展和路面表面車板相互作用及其對路面疲勞破壞的影響等三個層面的研究和分析,首次提出水泥混凝土路面的開裂和破壞過程可以分為三個階段,即路面板底初始損傷西南交通大學博士研究生學位論文第11頁和早期裂縫的形成階段、使用期間荷載作用對路面造成的開裂損傷累計、加劇和裂縫擴展階段以及路面斷裂破壞階段。
  16. So how to transfer scientifically self - balanced test data into top load curve according to its actual working behavior, become the obstacle of its practical application. in accordance with actual forcing behavior and reaction mechanism between pile and soil, the article analyzes the relation between top part and bottom part, load transferring mechanism and difference with other loading way by ansys program. so the reliability of determine bearing capacity by self - balance method has been proved

    本文根據自平衡加載方式下樁身的實際受力狀況、樁土間的相互作用機理以及單樁破壞機理,建立了單樁的離散元模型,採用ansys通用分析軟體,選取合理的單元類型、材料特性等,數值分析了基樁在自平衡加載方式下上下樁段的相互關聯、荷載傳遞機理以及與其它加載方式的區別,論證了採用自平衡試樁法測定單樁極限承載力的可行性。
  17. The experiments show that the bearing capacity of super - long and large - diameter bored piles is mainly contributed by side friction, especially by their upper and middle parts, even under the bearing limitation, the ratio of base resistance to the total load is very low because of the soil residue at the bottom of piles, so this type of piles is friction ones

    試驗表明:即使在極限荷載下,超長樁的豎向承載力仍主要由樁側摩阻力提供,且主要集中在樁的中上段,下段摩阻力很小,樁的端阻力由於樁底沉渣的影響也難以發揮出來,所以超長樁為典型的摩擦樁。
  18. ( 三 ) under the dynamic load of the explosion, the numeric analysis has been done and achieve the rule as follow : ( 1 ) when the frequency of vibration is 0. 3hz, the acceleration of the slopes top gets the maximum ; so 0. 3hz is believed the natural frequency of the slope as a whole ; ( 2 ) the vibration of explosion can been magnified because of the condition of the landform, when the relative altitude is up to 45m, the acceleration of horizon gets the maximum ; when the relative altitude is up to 100m, the absolute value of acceleration and the deformation of horizon is larger than that in the bottom of the slope ; ( 3 ) in the period of forced vibration, at the top of the slope, the acceleration of horizon become larger and larger ; at the middle part of the slope, it becomes smaller ; ( 4 ) when the explosion velocity of is much little, the shallow part destruction is the primary deformation of the slope

    (三)採用模態疊加法針對爆破動力作用,進行邊坡的動力響應分析,得出了以下結論: ( 1 )振動頻率為0 . 3hz時,坡面頂部水平向加速度峰值最大;綜合考慮,可認為該邊坡的自振頻率為0 . 3hz左右; ( 2 )地形對爆破地振動存在放大作用,研究剖面的坡面,水平向加速度及位移在地形相對高差45米左右最大,而後隨相對高差的增高而減小,相對高差為100米時,水平向位移及加速度絕對值均大於坡腳; ( 3 )強迫振動段,水平向加速度值隨時間變化的規律為:坡頂節點總的變化趨勢是越來越大,而坡體中部節點的變化趨勢是越來越小; ( 4 )當爆破振速較小時,變形破壞的形式表現為坡頂表面滑塌型。
  19. According to the fea model of 110, 000dwt oil tank, the distribution of the stresses of the model in more than ten kinds of load cases is calculated. the structural strength of the ship is assessed. the buckling assessment of the main ship plating such as the deck, bottom, side shell, inner shell, longitudinal and transversal bulkhead is undertaken

    針對各種規定的計算載荷工況,對該船船體結構進行了強度校核。並對其主要的船體板如甲板、底板、舷側、內殼和縱橫向艙壁板等板格進行了平板屈曲校核。
  20. Load gathering part adopts car bottom non - touch installation method

    稱重採集部分採用非接觸轎底安裝方式
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