頂壓樁 的英文怎麼說
中文拼音 [dǐngyāzhuāng]
頂壓樁
英文
jacked pile-
Different situations, single - pile raft, four - pile raft and nine - pile raft, are calculated with cpri. with the computing results, the variation of the raft settlement, pile counterforce, soil counterforce and pore pressure at different time are analyzed, which agree with the general rule and show the contribution of soil consolidation on the interaction
本文利用cpri分別對單樁承臺、四樁承臺和九樁承臺的工作性狀進行了計算分析,模擬樁基的沉降發展過程和不同時刻土體中的孔壓、樁身荷載、承臺底面土體反力的變化,分析了群樁承臺的荷載在各樁頂的分佈。In the process of work, according to complex geological conditions such as huge thick soft clay in site and top surface of possible pile foundation supporting course fluctuating in large amplitude, we adopted many advanced exploratory methods ( just as high accuracy exploration of shallow earthquake, crosshole wave velocity test, vane shear test, pressuremeter test, etc. ), we found out that there is an ancient groove of yangzi river in former plant site, therefore we suggested in time that plant site should properly be moved eastwardly, only this item saved nearly about 50 million for pile foundation project cost
在工作過程,根據廠址區軟粘土厚度大、可能作為樁基持力層頂面起伏變化大等復雜地質條件,採取了多種先進的勘探手段(如高精度淺層地震勘探、跨孔波速試驗、十字板剪切試驗、旁壓試驗等) ,查明了原廠址區存在一個長江古凹槽,並及時建議廠址適當東移,僅次一項就節省樁基工程費用近5000萬元。The modified pdr method is used to design a practical projects. although the calculated average displacement of the building is less than the actual measurement. it is acceptable
對某工程實例進行了現場試驗,測試了基底壓力和樁頂反力,並對該工程作了沉降觀測。This paper introduces the technique about pit - jacked pile and building correction to replace by rising
本文對坑式靜壓樁技術和頂升糾偏技術作介紹。In the paper, other research results are summarized, and a big test model indoor of row pile retaining and protecting deep foundation pit is designed. for homogeneous soil or samdwich soil structure three different retaining and protecting kinds : dense pile, thin pile and without pile are designed, using excavation simulation and loading on the top of slope, the model test is divided into two stages : foundation pit excavation simulation stage and destroy test stage. in this paper, for three different retaining and protecting kinds, the relation between soil pressure and displacement of piles, the relation between soil stress and strain, interaction of pile and soil and retaining and protecting loss - stability destroy are systemic studied
本文總結了前人研究成果,構築大型室內深基坑排樁支護試驗模型,在均質及層狀土層結構地基上,設計了密排樁、疏排樁及無支護三種不同支護型式,採用模擬開挖與坡頂均布加荷方式,進行了模擬基坑開挖和破壞性的兩個階段試驗,對三種不同支護型式的土壓力與樁位移、土體應力與變形、樁土共同作用及支護結構失穩破壞進行系統研究。In order to reveal load mechanism and failure mode of thick pile caps, by means of the test of 1 / 4 - scale models of thick pile caps with six piles and post - handling study of 3 - dimensional non - linear finite element adina, this paper points out the shortage, which is that the design of pile caps is carried out by flexural strength in chinese technical code for building pile foundations jgj94 - 94 and american reinforcement concrete building construction code aci318 - 02, promulgates that the failure mode of thick pile caps is punching failure and load transfer mechanism is the strut - and - tie, which is that zones of concrete with primarily unidirectional compressive stresses are modeled by compress struts, while tension ties are used to model longitudinal reinforcement over pile
摘要為揭示厚承臺的傳力機理和破壞形式,通過對4個1 : 5比例的六樁厚承臺的模型試驗研究與三維非線性有限元adina的后處理研究,指出中國建築樁基技術規范jgj94 - 94與美國鋼筋砼房屋建築規范aci318 - 02規范中,承臺以彎曲強度進行配筋計算的設計方法之不足,揭示出厚承臺的破壞模式是沖切破壞,傳力機理是以帶有主要單向壓應力的砼區域作斜壓桿,樁頂區域的縱筋作拉桿的空間桁架。The measured results of settlement depth for foundations with different breadth, soil deformation area around pile and foundation, interaction coefficient of double pile and load distribution on pile top beneath cap illustrate that the effects of interaction of soil - soil, pile - soil and pile - pile are obviously lower than elastic theory values
不同基寬壓縮層深度、基礎和樁側土變形范圍、雙樁相互影響系數以及樁頂荷載分佈的測試結果說明,土土、樁土、樁樁相互作用效應較連續介質彈性理論值明顯弱化。This paper on the technique in application in the engineering will make complete analysis, compare construction technique and construction structure technique by technique economy, analyze and appraise construction scheme, explain the problem appearing in engineering, study its engineering application value
對坑式靜壓樁頂升糾偏技術在工程中的應用作全面的分析,對施工技術、施工組織技術進行技術經濟比較,對施工方案進行分析和評價,對工程中出現的問題進行解釋,研究其工程推廣價值。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。With the method, the resules, calculated with this analytical approach and the numerical methods based on load transfer method, are compared with the results measured in the field test. from this, the elasticity and plasticity characteristics of the pile and the influence factors of the compression are got. some useful conclusions are drew
分析樁頂沉降、樁端沉降與樁身壓縮三者之間關系,得出了不同荷載水平下樁身混凝土的彈塑性性狀和發展規律,分析了樁身壓縮量的影響因素,得出了一些有用的結論。As a new technique, few people are familiar with it. this paper will research the technique of pit - jacked pile and building correction to replace by rising, including its developmental history, technique characteristics, advantages, construction process, applied scope, present condition and existent problems in sphere
坑式靜壓樁頂升糾偏技術作為一項新技術,目前仍有很多人不是很了解,該部分對坑式靜壓樁技術和頂升糾偏技術的發展歷史、技術特點、自身優點、施工過程、適用范圍、研究現狀以及存在的問題作詳細的研究。This layout can transform the axial force of circular beam into a force which parallels the axial. compression strength of the concrete on circular beam can bring into play adequately. the displacement of the pile top will also reduce effectively
( 2 )設計中將圍護樁按拱形布設,將垂直於圈樑的軸向力轉化為平行的軸向力,充分發揮了圈樑混凝土的抗壓強度,有效地減少了圍護樁的樁頂位移,提高了圍護結構的整體穩定性。分享友人