頂入樁 的英文怎麼說
中文拼音 [dǐngrùzhuāng]
頂入樁
英文
jack-in pile-
All night the hot wind had swept up the adriatic, and from the crowded docks down by the arsenale to the isola di san chiara at the western mouth of the grand canal, the old city creaked on its pilings like a vast, weary ship ; and clouds as ragged as tatters of sailcloth scudded across the face of the full moon, tangling with the silhouettes of a hundred fantastic spires and domes
整夜的熱風吹拂著亞得里亞海,從造船廠下方擁擠的碼頭直到大運河西入海處的聖克亞拉島,這座古老的城市就象是一艘在錨樁上吱嘎作響的疲憊的巨船,不計其數的船帆簡陋如破布一樣,在這座明珠之城中穿梭往來,與上百座奇異多姿的尖頂、圓頂建築爭奪著天下。The studied factors respectively are : length of soil nailing, insert deepness of piles, friction force of soil nailing interface, declination angle of soil nailing, horizontal spacing of soil nailing, rows of soil nailing, unit weight of soil, friction angle, unit cohesion, overload of slope, diameter of soil nailing
這11個因素分別為:土釘(錨管)長度、土釘直徑、土釘界面摩擦力、土釘下傾角、土釘水平間距、土釘排數、土體重度、內摩擦角、粘聚力、坡頂超載、板樁插入深度。The first, site experiment is carried out. the paper analyze in - situ testing data of subgrade which is made up of plain concrete pile composite foundation and agitation pile composite foundation including pore pressure, layer settlement of soils between piles, earth pressure, lateral deformations
發現正常荷載下,兩種復合地基路基的受力性狀不一樣,用建築垃圾填土樁距較大的素混凝土樁復合地基,淺層應力向樁體集中,並通過樁向深層擴散,樁間土與樁有較大的相對位移,樁頂和樁端的刺入較為明顯。When the frequency approaches zero, the factor approaches zero correspondingly ; 2 ) the amplitude of interaction factors changes with the incident angle of rayleigh waves and reaches maximum when is zero. moreover, with the increase of, the wave period shortens apparently ; ( 3 ) the amplitude of interaction factors decreases as the pile spacing increases and approaches to zero when the pile spacing is 15 ; 4 ) the amplitudes of interaction factors increase clearly with the increasing stiffness ratio of pile to soil ; 5 ) the lat eral seismic response of fixed - head pile groups is much smaller than that of free - head pile groups. moreover, the pile - group effects induced by rayleigh waves can be neglected ; 6 ) the lateral seismic response of piles at different location differs from each other
得到了以下結論: 1 )樁的相互作用因子隨頻率呈周期性變化,在振動頻率比較低的情況下,樁的橫向相互作用因子也較低,當頻率趨近於零時,相互作用因子也趨近於零; 2 )樁的相互作用因子的幅值隨瑞利波入射角度的變化而變化,在= 0情況下幅值最大,且隨入射角度的增加,波動的周期明顯縮短; 3 )樁的相互作用因子的幅值隨著樁與樁間距的增加而減小,至s d = 15時,樁的相互作用因子基本趨近於0 ; 4 )在頻率比較低時,相互作用因子幅值隨樁土相對剛度比的增加而顯著增加; 5 )樁頂固接可以有效地降低群樁的橫向地震響應幅值,由瑞利波產生的群樁效應可以忽略不計; 6 )群樁中不同樁位的樁的橫向地震響應是不同的,每根樁所在的樁位對其橫向地震響應有很大的影響;刀樁數的增加並不能減小樁的橫向動力響應。The 16 - node degenerated iso - parametric element is proposed for the analysis of raft foundation with mid - thick plate. the stiffness matrix of single pile among the pile group can be founded assuming the total contact between the plate and the foundation. and the results of stress and deformation of plate, the force on pile and the settlement of pile bottom can be solved after the finite element disperse for the plate and the establishment of balance equation of pile - raft interaction
在引入16節點退化等參元的中厚板筏板分析模型的基礎了,假定筏板與地基間完全接觸,建立了群樁中單樁樁身剛度矩陣,繼而對筏板進行有限元離散得到樁筏共同作用的平衡方程,從而求解筏板內力、撓度、樁頂反力、樁端沉降等一系列結果。Study on the mechanism of the top beam that used in retaining and protecting piles of deep foundations is the uppermost section of this master degree thesis. the classical structure mechanics method and the finite elements analysis software are used to calculate and analyse the internal force of the piles - top beam retaining system. based on the research of the mechanism of the top beam, the optimal design of piles in row is discussed
本文針對深基坑排樁支護樁頂圈樑設計計算中存在的問題,以樁項圈樑的作用機理為主要研究內容,分別採用傳統的結構力學矩陣計算方法和有限元分析軟體對排樁?項圈樑支護體系內力進行計算和分析,對樁項圈樑作用的力學機理進行了深入的研究。This paper introduces the limit - destruction theory to study and analyze the function - mechanism of sand cushion in the collective function of the piles and the earth, and then brings forward the regulating - equation of the stress ratio between the up - pile - soil and the top of pile concerning the sand cushion. its final calculating result basically tallies with the practical function conditions. this provides an alternative approach to the study of sand cushion
4在復合地基樁、土共同作用中,墊層的作用和機理,本文引入極限破壞理論對砂墊層作用機理進行分析研究,提出砂墊層的樁頂樁土應力比協調方程,其計算結果與實際作用情況較吻合,為砂墊層研究提供了一種思路。The emphasis is given on the studying of the horizontal displacement on the retaining structure consist of piles and anchors, which is a frequent type of retaining structure. it is founded that the rigidity of anchors and magnitude of pre - stress are the main factors which influence the deformation of retaining structures. the optimal design method on pile - anchor systems is presented
樁錨支護是一種常見的基坑支護模式,本文以樁錨支護結構水平位移為重點,對支護結構剛度、支撐剛度與預應力、支護樁入土深度等對樁頂水平位移的影響進行了分析,指出在樁錨支護體系中,錨桿支撐剛度及預應力對基坑變形的影響最為明顯,並通過工程實例加以驗證。Pile cap construction at grid 2 adjacent to slip road from tuen mun road
于屯門公路入口之二號位建造樁頂Thus the resistance factor and vibration modes of the soil layer are obtained and used to analysis the pile response. by considering the interaction between the soil layer and the pile with boundary condition of continuity of displacement and equilibrium of force at the interface of soil layer and pile, the dynamic equilibrium equation of pile is solved and an analytical solution for the pile response in frequency domain is yielded, which is used to define complex stiffness and mobility at the level of the pile head. based on the convolution theorem and inverse fourier transform, a semi - analytical solution of velocity response in time - domain subjected to a semi - sine exciting force is given
首先通過引入勢函數方法對土體位移進行分解,從而將土體動力平衡方程解耦,求解得到了土層的振動模態和阻抗因子,然後利用該解以小應變條件下樁土接觸面上力平衡和位移連續條件來考慮樁土耦合作用,求解樁的動力平衡方程,得到了樁頂的頻域響應解析解、復剛度和速度導納,利用卷積定理和傅里葉逆變換,求得了半正弦脈沖激振力作用下樁頂速度時域響應半解析解。Then i took the pieces of cable which i had cut in the ship, and i laid them in rows one upon another, within the circle, between these two rows of stakes, up to the top, placing other stakes in the in - side, leaning against them, about two foot and a half high, like a spurr to a post, and this fence was so strong, that neither man or beast could get into it or over it : this cost me a great deal of time and labour, especially to cut the piles in the woods, bring them to the place, and drive them into the earth
然後,我用從船上截下來的那些纜索,沿著半圓形,一層一層地堆放在兩排木樁之間,一直堆到頂上,再用一些兩英尺半高的木樁插進去支撐住纜索,彷彿柱子上的橫茶。這個籬笆十分結實牢固,不管是人還是野獸,都無法沖進來或攀越籬笆爬進來。這項工程,花了我不少時間和勞力,尤其是我得從樹林里砍下粗枝做木樁,再運到草地上,又一一把它們打入泥土,這工作尤其費力費時。Before i set up my tent, i drew a half circle before the hollow place, which took in about ten yards in its semi - diameter from the rock, and twenty yards in its diameter, from its beginning and ending
沿這個半圓形,我插了兩排結實的木樁木樁打入泥土,彷彿像木橛子,大頭朝下,高約五尺半,頂上都削得尖尖的。With the input of a vibration acceleration history of subway train, a full dynamic analysis of soil - pile - structure is carried out. the propagation of vibration wave on the ground and vibration responses of the huge platform and the storied buildings are analyzed. some conclusions are drawn as follows : ( 1 ) with the increase of the distance to the vibration source, vibration intensity of the ground decreases ; ( 2 ) the vibration intensity of the ground in vertical direction is slightly larger than that in horizontal direction ; ( 3 ) with the increase of the distance to the vibration source, the situation that the vibration intensity of each building in horizontal direction is maximum at highest and lowest story whereas minimum at the middle story changes gradually to that decreasing with the height of building ; ( 4 ) in vertical direction, the vibration velocities and accelerations at the end points of each story of a building are the nominal identical, which indicates that the vertical vibration of them is unanimous ; ( 5 ) the vibration intensity in vertical direction of a building is larger than that in horizontal direction ; ( 6 ) increasing of the elasticity of track is an effective way to abate vibration of ground and buildings
本文以北京地鐵八王墳車輛段地上超大結構(車輛段大平臺及其上的小區樓房)及其地基基礎為研究對象,在研究和分析有關資料的基礎上,用快速拉格朗日有限差分法軟體flac建立了二維數值分析模型,並以列車振動加速度時程作為模型輸入,進行了地基?樁基礎?地上結構的整體動力學分析,分析了地鐵列車運行產生的振動在地面的傳播規律及其對地上結構的影響,得到了如下結論: ( 1 )隨著與地鐵線路距離的增大,地面的振動強度有減小的趨勢; ( 2 )地面豎直方向的振動強度較之水平方向的略大; ( 3 )隨著與振源距離的增大,在水平方向上,地上各幢樓房的振動強度由底層和頂層的最大、中間層的最小逐漸過渡到沿樓層增高而減小; ( 4 )在豎直方向上,每幢樓各層端點的振動速度、加速度完全相同,表明樓房各層在豎直方向上的運動狀態一致; ( 5 )各幢樓房豎直方向的振動強度比水平方向的大; ( 6 )增加軌道彈性是減輕地面和地上建築振動的有效途徑。According to the current codes, piles under inclined loads top are analyzed respectively under axial and lateral loads with the results superposed, in which inaccurate error is inevitable. focusing on this point, the analysis of pile and pile group under inclined loads are thoroughly discussed in this article
本文針對我國現行規范將樁頂傾斜荷載分解為豎向和水平荷載分別計算再進行迭加而存在的計算誤差較大的不足,對傾斜荷載下基樁及群樁的受力分析進行了深入的探討。分享友人