靜壓沉樁法 的英文怎麼說
中文拼音 [jìngyāchénzhuāngfǎ]
靜壓沉樁法
英文
pile jacking-in method-
Abstract : reviewed are five methods for the analysis of the penetration of jacked - in piles, namely, cavity expansion method, strain path method finite element method, slip line method and calibration model test. after analysis, it is pointed out that it is more rational to adopt sub - statical spatial axisy numerical formulas based on traditional plane - strain cavity expansion method in the analysis. after spatial closed - form solutions are obtained for soil movements, stresses and initial excessive pore pressures generated durihy pile penetration are found out. it is suggested that finite element analysis together with centrifugal model test be used in verifying the results
文摘:在分析飽和粘土中靜壓樁的貫入機理的基礎上，對靜壓樁沉樁分析的圓孔擴張理論、應變路徑法、有限元分析、滑移線理論和模型槽試驗等五種方法逐一進行評述，並提出在傳統的平面圓孔擴張理論基礎上加以改進，採用準靜態空間軸對稱方程組對靜壓樁貫入過程進行模擬，從而得出土體位移、應力、初始超孔壓的空間解析解，同時採用有限元分析、模型槽試驗相互印證的研究方法This paper respectively uses the method of expansion of cavity and fem to analysis the soil compaction effect of anchor jacked pile while sinking, and compares the calculation result of the two methods by combining effect is valuable to the application of engineering
摘要分別用柱形孔擴張法和有限元方法對錨桿靜壓樁沉樁過程中的擠土效應進行了分析，並結合工程實例對兩種方法計算的結果進行了比較，很好地探討了沉樁擠土規律，具有一定的工程實用價值。Thirdly, some shortcomings that numerical simulation ca n ' t effectively applied in jacked pile are proposed. several problems need to be resolved in numerical simulation of jacked pile ; for instance, finite deformation problem, constitutive model of soil, contact between pile and soil and loading problem
3 、根據目前有限元在模擬靜壓沉樁方面存在的不足，指出了模擬沉樁過程需要解決的問題：土體的有限變形；接觸問題；本構關系；位移貫入法的加載問題。In this paper, depending on the enormous 356 pile testing date detailed with soil and pile parameters and p ~ s curves, covering xi ' an and adjacent areas, we analyzed the load transmission mechanism of pile in loess foundation, and proposed a kind of hyperbolic load transmission function between pile and it ' s neighboring soil. meanwhile, we created a mathematical model to predict p ~ s curve and bearing capacity of single pile. by analyzing the compacting effect caused by pile - sinking of pressed pile in loess and it ' s influence on bearing capacity and settlement, two parameters, kc and ke are introduced to modify the soil cohesive c and deformation modulus es
本文利用現己收集到的西安及其周邊地區356根打入樁、靜壓樁、灌注樁的現場試樁資料（其中打入樁67根，靜壓樁121根，鉆孔灌注樁168根，並有詳細的地層勘探資料，樁深資料，荷載沉降?曲線）對西安黃土地基中的打入樁、靜壓樁、灌注樁的荷載傳遞機理進行了分析研究，認為用雙曲線型的荷載傳遞函數模擬樁土之間的荷載傳遞函數是合適的，並用荷載傳遞分析的方法建立了計算p s曲線的數學模型及極限承載力的確定方法。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。In order to fully develop the theory of squeezed branch piles, in particular, the justification of its superior performance in terms of the bearing capacity and sinking displacement, we have derived the analytical formulas of the axial load and the strain at arbitrary depth ; based on existing static loading test results and research on belled pile, together with the analysis of on - site testing data, we have applied the expand theory on sphere holes to the computation of radial stress of squeezed branch piles under hole expansion ; taking the oil pressure of hole expansion in to account, we have find the a branch force under certain hole pressures, hence we can estimate the maximum bearing capacity of single piles ; we have introduced the experiential formulas for the bearing capacity of squeezed branch piles based on its stress characteristic and pile testing data ; we have also done numerical simulations of squeezed branch piles utilizing finite element method software ansys ; we have matched the simulation res ults with those of on - site basic load experiments, regenerating the distributions of stress fields and strain fields of squeezed branch piles, and from those distributions, we can determine the optimal distances between plates and piles
為了完善支盤樁的設計理論，探求支盤樁高承載力和低沉降量的內涵，本文推導出了支盤樁任意深度的截面荷載以及位移隨深度變化的理論公式；基於已有的靜載試驗成果及有關擴底樁的研究成果，從對現場測試數據的分析，將球形孔擴張理論引入到支盤樁擴孔時徑向應力的計算，考慮到擴孔時的油壓數據，求得某一孔壓下的支盤力，據此估算單樁極限承載力；同時根據對支盤樁的受力特點和試樁數據的分析，提出了支盤樁承載力計算的經驗公式；用有限元分析的方法，利用大型有限元分析軟體ansys對支盤樁進行數值模擬，並將模擬結果同現場的靜載試驗結果進行對比，再現了支盤樁在荷載作用下土中應力場和位移場的變化，根據應力場和位移場的變化范圍，指出最佳盤間距和樁間距；為支盤樁的設計和施工提供了一個可量化的設計依據。Further more, the computer code pdss is used to analyze the consolidation process of composite ground with cement - mixed columns under one teaching building and under one laboratory building, respectively, and the principle of the developments of excess pore water pressure in these composite ground and of the settlement is revealed. finally, the fem results are compared with the ones obtained from traditional method and field observation, and the feasibility of using pdss to calculate the settlement of composite ground with cement - mixed colu mns after construction of building is discussed
進而運用pdss程序對一教學樓和一實驗綜合樓的水泥攪拌樁復合地基的固結過程進行了較完整的數值計算，分析了該類復合地基中超靜孔壓和基底沉降的發展規律，並通過與規范法計算值和現場實測數據的比較，討論了採用pdss程序計算建築物下水泥攪拌樁復合地基沉降和工后沉降的可行性。分享友人