樁的承載力 的英文怎麼說
中文拼音 [zhuāngdechéngzǎilì]
樁的承載力
英文
pile capacity- 樁 : Ⅰ名詞(樁子) pile; pole; stake Ⅱ量詞(用於事情)
- 的 : 4次方是 The fourth power of 2 is direction
- 承 : Ⅰ動詞1 (托著; 接著) bear; hold; carry 2 (承擔) undertake; contract (to do a job) 3 (客套話...
- 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 ...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
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In this paper, using the program ( epagpll ), the bored testing pile group of the chinese architecture science and research institute at luokou area are analysised. the comparisons among analytical results of four constitutive models of soil are made, and the deformation of piles and soil, the soil resistance of the piles, the friction beneath cap, the aclinic displacement of the ground soil before piles and the failure pattern of pile group are discussed in detail
本文利用所編的程序,對上海地區豎向荷載作用下的單樁的流變效應進行了分析,並通過樁體位移?時間關系曲線,確定軟土地基上豎直受力樁的承載力,分析了豎直受力樁的最終沉降量的大小,並結合《上海地區地基基礎》地方規范就程序計算結果進行了對比。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 problems in the planning of journals sponsored by the institutions of higher learning and the solutions
巖層中抗拔樁的承載力計算方法探討Determining and improving the bearing capacity of steel tubular piles for piled wharfs has long been an issue that the engineering field has endeavored to study and solve
摘要確定和提高高樁碼頭鋼管樁的承載力是工程界一直致力於研究的問題。The results reached are compared and discussed. the ways and means that are presented by schmertmann and the steel pipe society of japan of making certain of the bearing capacity of a single pile through the knocks of spt are verified. finally some views and suggestions of authors are arrived at
對豎向荷載作用下,單樁的承載力理論、承載力的確定方法進行了一些歸納和總結,並結合一實際打樁(小直徑預制樁)工程對幾個典型的單樁豎向承載力計算公式進行驗證,並與能夠代表真實值的靜力載荷試驗結果對照,分析特定條件下各計算方法的精度及其局限性。Through the algorithm of ann, the author has made out the three - layers and four - layers bp nets to intelligently study and reason, supporting decision on the detail reasoning, such as piles " capacity and pile cap ' s bearing pressure
根據神經網路的學習演算法,編制了三層及四層bp網路的學習及推理程序。該程序在某些細部問題(如確定樁的承載力、承臺反力等)上提供輔助決策。In the paper, through the example of the waiting hall of xt an international airport, several main questions meet in the design have been discussed, analyzed and solved, which include in negative friction force around pile in collapsible loess, the calculating method of bearing capacity of pile. the crack control methods of analysis and design in the super - length reinforced structure have been tested in the project, and reached the effect to be hoped
本文通過西安咸陽國際機場新航站樓工程設計的具體實例,分析、論述了建築結構在設計中遇到並解決的幾個主要問題:如自重濕陷性黃土場地樁基負摩阻力問題;淺層土雖經強夯但下層土仍有可能產生負摩阻力時樁的承載力計算方法;對鋼筋混凝土結構的裂縫控制實現超長設計的分析和設計對策,經過工程驗證,達到了預期的效果。Under the vertical load, the vertical pile group has bigger bearing capacity than the battered pile group. under lateral load, the positive battered pile group has bigger bearing capacity than the vertical and negative battered pile group. both model experiments and prototype experiments are conducted
與單樁類似,豎向受荷直樁群樁承載力比斜樁群樁大;水平受荷群樁, 「正斜」單樁組成的群樁比直樁群樁和「負斜」單樁組成的群樁的承載力大。On the basis of construction technique of large diameter bored hollow pile of prestressing force concrete, through the program of marc, this paper analyses the pile vertical bearing capacity under different lengths, diameters and strength parameters of mediators as well as the inner force and displacement under lateral and combined loads, giving the criterion of rigid pile and flexible pile. with elastic theory, the paper establishes the inner force calculating formula under eccentric load. this research findings will set a firm theoretical foundation for its widely application
本文在對大直徑鉆埋預應力混凝土空心樁施工工藝分析研究的基礎上,運用marc軟體,對豎向荷載作用下不同樁長、樁徑及樁周介質強度參數時空心樁的承載力性狀,以及水平向荷載及其組合荷載作用下空心樁的內力、位移變化規律進行了模擬分析,提出了大直徑鉆埋預應力混凝土空心樁的剛性與柔性界定標準。The bearing capacity and settlement property of single pile under axial load is an important subject in pile foundation theory research
單樁的承載力與沉降特性是樁基理論研究中的重要課題。Moreover, the experimental formula of the hearing capacity of the new type of pile is discussed and presented, it will be a theoretic reference to use this new type of pile in engineering
此外,對擠擴支盤樁的承載力公式進行討論並提出建議,對該新型樁在工程上的應用提供了理論依據和參考。Using prediction can give the most technical economic effect, providing design with reasonable data of pile ' s bearing capacity, bringing into play pile ' s bearing capacity completely, thus can save the engineering cost
採用預測法所帶來最大的技術經濟效益還在於可以及時地給設計提供合理的樁承載力數值,充分利用樁的承載力,節約工程造價。It ' s 70 years " last century that began to test study in our country, today we have mastered some working ways. more and more pile foundations of high buildings use later pressure grouting technology to improve the pile ' s bear ability from 80 years " last century
我國從上世紀80年代開始,越來越多的高層建築的樁基礎應用后壓漿工藝來提高樁的承載力,其施工工藝及計算方法也得到不斷的提高。The drilling hole pour pile technique has been wide - ranging used in the high buildings " foundation and base of the wide span construction and base of bearing weighty load construction, but the geology conditions that surrounding the pile are differ in thousands of ways, extraordinary, the soil there is small opening and it can be compressed and the bottom of the pile ' s hole there is much more dregs, so many confuse reasons ca n ' t be computed weaken the pile ' s ability of bear load
鉆孔灌注樁施工技術在高層建築、大跨度、大承載力的基礎工程中得到了廣泛的應用,但是,地層土壤存在孔隙、土壤具有可壓縮性、孔底存在沉渣等許多不可明確計算的因素,使樁的承載力存在不同程度的削弱,實際承載力與設計值有較大出入。The model experiments results indicate that the pile group composed of extending all around piles can bear inclined load better. this is beneficial to the foundation of transmission tower. the prototype experiments results indicate that the micropile ' s load capacity is satisfied with design
模型試驗發現,伸向四周的單樁組成的群樁具有更好的抵抗傾斜荷載的能力,這一點特別有利於輸電線路基礎等;原型試驗發現,微型樁單樁和群樁的承載力完全達到設計承載要求,其群樁效率在0 . 9左右。Beginning with plentiful experimental bases, some problems about pile - foundation technical criterion are discussed, some suggestions about are advanced, some rules about rock - socketed offect are educed : rock - socketed pile has conclusively rock - socketed offect, and when rock - socketed length achieves a certain value, increasing length will not influence bearing capacity, but base resistance still exists. based on the neural network model of limit load of rock - socketed segment of piles, the analysis method of characteristic parameters is proposed by means of self - organizing character map network
在分析大量的實測資料基礎上,對樁基技術規范中嵌巖樁的承載力計算公式進行了分析探討,認為f _ ( rc )應具體情況具體分析,取值應符合現場實際; s 、 p應在靜載試驗后再確定。The load distributed by central piles under vertical load are higher than by others of the pile group ; 2. under higher vertical load, the foundation soil shows an obvious characteristic of plastic strengthening ; 3. the bearing capacity of pile group under vertical load is larger than the whole sum of bearing capacity of single piles in pile group ; 4. the position of the maximum or zero value of bending moment inpiles, the line shape of bending moment diagram and the value of bending moment of the same cross section of a pile under same load is different according to the lateral loading and the longitudinal loading ; 5
在較大的豎向荷載作用下,土體出現明顯的塑性強化特徵; 3在豎向荷載作用下,群樁的承載力大於各基樁承載力之和; 4沿線路水平縱、橫向加載時,最大彎矩和零彎矩的位置、彎矩變化曲線的形狀以及在相同荷載作用下各樁同一截面的彎矩值都有一定差異; 5The paper draws some valuable conclusions : the limited bearing capacity of manual excavation filling pile is much higher than the limited bearing capacity of machine drilled filling pile ; through grouting injection around the pile shaft, the pile bearing capacity can be effectively improved ; proportion of resistance force around the pile side in total load is much larger than that of pressure on the pile tip, and the intensity of resistance force around the pile side is 30 - 50kpa on average
得出一些有價值的結論:人工挖孔灌注樁的極限承載力明顯高於鉆孔灌注樁的極限承載力;地下水位對樁基承載力有顯著影響;利用樁側注漿可有效提高樁的承載力;樁側摩阻力所佔總荷載的比例遠大於樁底壓力,樁側土的摩阻強度平均值為30 50kpa 。The numerical simulation indicate that it promote permafrost growth and accelerate the course of recover frozen greatly after fluting via natural convection dropping temperature effect, the top line of permafrost rises greatly, consequently enhance pile bearing capability and so do the capability for resisting frost heaving and thaw settlement
數值模擬分析的結果表明,樁身刻槽后,利用多孔介質自然對流降溫效應,促進了凍土的發育,使樁的回凍時間大為縮短;凍土上限大幅度抬升,從而使得樁的承載力提高,抗凍脹融沉性能提高。Correlative function method and variable function method are used to calculate the relevant range of soil layer. the limit capacity of bored pile is determined by the cone penetration tests ( cpt ) and the static loading tests and related statistics parameters are also evaluated. considering the effects of group piles, the action effect is calculated by the settlement of pile foundation and the reliability index of single pile as well as group piles is determined by monte - carlo method
本文選擇臨近場地的四座高層建築地基的全部勘測資料,以沿深度方向的一維平穩高斯隨機場作為樁基土層土性參數的數學模型,利用相關函數法和變異函數法計算土層的相關范圍,由cpt和靜載試驗結果綜合確定鉆孔灌注樁的極限承載力,進而對相同場地各試樁的承載力進行折算后檢驗其概率分佈,並估計有關統計參數:考慮群樁效應確定樁基承載力,由樁基沉降反算其作用效應,由monte - carlo方法計算單樁及群樁的可靠指標。分享友人