bottom bearing 中文意思是什麼

bottom bearing 解釋
下軸承
  • 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...
  • bearing : n 1 忍耐,忍受。2 態度,舉止,風采,姿態。3 關系,影響,方面,聯系 (on; upon); 意義。4 〈常 pl ...
  1. Then, by using the great fem programme and the drucker - prager model, the thesis establishes the pile - soil model of super - long piles, analyzes the mechanism of bearing and deformation of super - long piles under vertical loading systemically, studies the characteristics of q - s curve, bottom resistance, pile shaft resistance and critical length of super - long piles in detail, acquires some practical guidance conclusion. secondly, with a practical engineering, the author expatiates the bearing characters of super - long piles farther. the thesis points that super - long piles are frictional piles under the condition of working loading

    然後應用大型有限元程序,採用土的drucker - prazer模型,建立了超長樁分析計算的樁土模型,系統分析了超長樁在豎向荷載作用下的承載機理和變形特性,研究了超長樁的荷載?沉降特性,端阻、側阻的發揮性狀以及超長樁的有效樁長,得出了具有實際指導意義的結論。
  2. This paper describes the principle and method for testing pile bottom force - hearing layer and pile body force - bearing declivity, deals with results of standard component test and inclined model pile test under the condition of inclination, and also gives some practical examples of engineeing application

    摘要闡述了樁底持力層與樁身傾斜度測試原理及方法,列舉了傾斜情況下的標準件試驗及傾斜模型樁試驗結果與工程應用實例。
  3. 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。
  4. Then the article analyses the effecting elements about the economic result of blasting and puts forward some improving measures, and summarizes optimizing model on economic result of blasting both internal and overseas bearing upon. the theory is based on the blasting cost model, which proposed by dr. zhong hanrong. combining with the specialties of water and electricity engineering, starting off through blasting result, it emphasizing considers drilling cost, deep hole bench blasting cost, reblasting cost, and the cost of bottom fleet hole blasting that in mixed loading emulsion explosive blasting

    本文在加拿大鐘漢榮博士提出的爆破成本模型基礎上,結合水電工程的特點,從爆破效果出發,著重考慮了應用混裝乳化炸藥爆破的鉆孔成本、深孔梯段爆破成本、二次爆破成本和爆破后根底淺孔爆破成本,以塊度、振動、安全為約束條件,以這四項成本最小為目標函數,廣泛收集各種爆破經濟技術條件,建立了爆破優化經濟數學模型。
  5. 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。
  6. 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。
  7. 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。
  8. 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。
  9. 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。
  10. 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。
  11. With the increase of lateral pressure modulus, the magnitude of principal stress decreases and the direction of it is hardly changeable ; with the increase of the angle between the direction of the maximal horizontal principal stress on magnitude and the fault bearing, the magnitude of principal stress increase and its direction can hardly change ; with the increase of the elastic modulus of rocks, the magnitude of principal stress increases and the direction changes more ; with the increase of pr, the magnitude of principal stress decreases and the direction changes more ; with the increase of lateral pressure modulus, the principal stress at hance, the tress at topmost arch, bottom arch and principal stress at lateral arch decreases, with the increase of the depth of tunnel, the stress of surrounding rock also increases, and the poorer the quality of surrounding rock is, the little its principle stress is

    分析得出,隨著側壓力系數的增大,主應力量值減小,主應力方位難改變;隨著與斷層走向的夾角增大,主應力量值增大,應力方向難改變:隨著巖石的彈性模量的增大,主應力量值增大,方向變化越大;隨著泊松比的增大,主應力量值減小,方位變化越大。隨著側壓力系數的增大,頂、底拱處的各應力值增大,拱腰處的主應力減小,剪應力增大,側拱處的各主應力減小,同一側壓力系數的條件下圍巖質量越差,各應力值也越小;隨著洞室埋深的增加,圍巖壓力也增大,圍巖質量越差,其應力值也減小。
  12. Cranes ; bottom blocks ; type b rope pulleys with deep groove ball bearing and internal sleeve

    起重機的下滑車.帶深滾道滾珠軸承和內軸套的b型繩索
  13. Based on the results of vertical static loading test and stress test for longhole bored pile in loess foundation, by analysing the transferring law of axial force and the action of lateral friction resistance and bottom resistance, the paper discusses the influences of two types of holing technology on bearing capacity behavior

    本文通過黃土地基中旋挖鉆孔灌注長樁和泥漿護壁鉆孔灌注長樁靜載荷試驗和樁身應力的測試,分析了黃土地基中兩種成孔工藝鉆孔灌注長樁樁身軸力的傳遞規律、樁側阻力及樁端阻力的發揮性狀,探討了兩種成孔工藝對鉆孔灌注長樁承載力的影響。
  14. 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。
  15. 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。
  16. The bottom bearing applies both labyrinth seal and frame seal, which have good performance of sealing. the main shaft is anticorrosive

    下軸承端蓋密封採用雙重密封,可確保密封效果,主軸採用防腐新技術,能保護主軸免受腐蝕。
  17. Note : standard factory building s bottom bearing pressure 1 - 2 ton sqm

    注:標準廠房底層承載力1 - 2噸平方米
  18. Suggestions on bottom bearing beam design for masonry structures

    關于砌體結構下部承重梁的設計建議
  19. This paper probes into the optimization of structural design for bottom bearing beam of the lower masonry structure of brick - frame construction

    摘要對磚混一框架結構下部砌體結構承重梁結構設計優化進行探討。
  20. The paper introduces a multiparameters static load test method. compared with a routine test, the bottom and the top settlements can be observed by this method and multiparameters are aquired. based on these parameters, we can get a generally analysis on the elastic - plastic compression of the pile, the side bearing and the bottom bearing as well as the properties of the soil under pile

    介紹了一種既觀測樁頂沉降又觀測樁端沉降的樁身壓縮量的實測方法,區別于常規的靜載荷試驗,該靜載荷試驗能夠提供多方面的參數,可以對樁身彈性壓縮量、側阻、端阻的發揮程度、樁端持力層性狀有一個比較全面的了解。
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