預沉降作用 的英文怎麼說
中文拼音 [yùchénjiàngzuòyòng]
預沉降作用
英文
preliminary sedimentation-
It is necessary to make more profound research in the field of settlement prediction. in this dissertation, on base of the existing work, the three - point method which is the mostly used method in the settlement prediction has been studied thoroughly firstly, which indicated and discussed the deficiency of the three - point method, and as a result an improved three - point method was put out ; secondly, by analyzing the characteristics of the process of the foundation settlement we put forward the model for predicting foundation settlement based on " law of massaction ". the predictive result was ideal as we applied it to the 3. rd coalfield project of wenzhou power plant and project of wenzhou peninsula, which shows that the model deserve use in much more projects
本文在對國內外關于地基沉降預測理論的研究進行綜述的基礎上，首先對工程中常用的三點法進行了細致深入的研究，指出以工程實測數據證明的現有三點法在應用時存在的不足，針對該不足進行了探討，並在此分析基礎上提出了預測結果更為理想的改進三點法；其次區別傳統沉降預測方法的研究途徑，本文從沉降過程的發展特徵出發，根據描述物化反應過程發展特徵的質量作用定律原理，探討了一種新的地基沉降預測方法：地基沉降預測的「質量作用定律」模型；本文還以溫州三期煤場工程及溫州淺灘圍塗促淤工程為背景，對上述改進三點法、地基沉降預測的「質量作用定律」模型的工程應用與傳統的預測方法進行了比較，認為這些方法是可行的，並得出一些有用結論。Various previous methods after the loading is constant are summarized and classified into two categories : semi - math methods and pure - math methods, the common and difference among these methods is discussed. then, by analyzing the characteristics of the process of the foundation settlement, the model for predicting foundation settlement based on " law of massaction " is put forward. this paper relies on the research of the section of the soft foundation of the shen zhen bay
本文總結了以往荷載穩定后的沉降預測方法，將其劃分為半數學方法與純數學方法，尋找各預測方法相互之間的聯系;其次區別于傳統沉降預測方法的研究途徑，從沉降過程的發展特徵出發，根據描述物理化學反應過程發展特徵的質量作用定律原理，探討了地基沉降預測的「質量作用定律」模型。Through analyzing the in - situ data such as total settlement, layered settlement and pore water pressure, the actual deformation behavior of soft foundation are mastered. after summarizing the methods of predicting settlement of soft foundation and bring forward a method to predict the post construction settlement of the surcharge preloading soft foundation. and the engineering application of the predicting foundation settlement based on “ law of massaction ” and the traditional predicting methods are compared, the results shows that the model is useable and it deserves more validation in more projects
本文以深圳灣軟基處理工程試驗區為背景，通過對淺層沉降、分層沉降、孔隙水壓力等資料的分析，掌握了軟基變形的實際性狀;在總結軟基路堤沉降預測方法的基礎上，探討了軟基超載預壓工后沉降預測的參數反演法;並對地基沉降預測的「質量作用定律」模型的工程應用與傳統的預測方法進行了對比，驗證這種方法是可行的，得出了一些有用的結論。The lithological traps related to jishan delta ? turbidite fan depositional system inherently developed during the base level falling period of c3 cycle and the base level rising period ; the lithological traps related to the underwater fan depositional system near xiakou fault developed during c2 cycle ; the lithological traps related to qudi fan delta developed during the base level falling period of c2 cycle ; and there are a few lithological traps related to shangfeng delta. these predicted traps are mainly distributed in the deeply low - lying areas
在沉積體系、沉積相研究的基礎上，對臨南窪陷沙三段巖性圈閉分佈作出了預測，指出了各旋迴基準面下降期是尋找巖性圈閉的有利層序地層位置， （扇）三角洲前緣滑塌作用或快速充填作用形成的濁積扇或滑塌作用形成的濁積巖體是巖性圈閉形成的主要場所。Based on comparison of several technical schemes, the method of sand bedding pre - elevating and step water - filling pre - compressing is adopted. so the dissertation is consist of two parts : ( 1 ) the applicability study for the method of sand bedding pre - elevating and step water - filling pre - compressing, including numerical analyses for the thickness of sand bedding, the consolidation, settlement and stability of foundation, drainage, possibility of foundation liquefaction under seismic loading, et al. ( 2 ) monitoring at construction stage and checking the effect of foundation treatment, including the measurements of the settlement velocity and non - uniform settlement of ring beam under the tank, pore pressures and horizontal displacements in foundation, the pressure distribution at the bottom of oil tank and the strength increase of soils
通過多種技術方案比較，最終選擇了技術先進的砂墊層預抬高分級充水預壓法，論文工作主要由以下兩部分組成： （ 1 ）砂墊層預抬高分級充水預壓法的適用性研究，其中包括砂墊層厚度、地基沉降與固結度、地基穩定性、降水、地震作用下砂土液化的可能性等方面的計算分析； （ 2 ）施工監測與地基處理效果檢驗，其中包括油罐環梁基礎沉降速率與不均勻沉降程度、各分級充水加載階段地基超靜孔壓與深層水平位移、油罐底板壓力分佈及地基土強度增長等方面的實測與數據分析。Based on the study idea of the former pile else, this paper has conducted and discussed the mechanism of consolidation, settlement calculation and optimization design of the pcc pile according to the test in situ results and reasoning. it includes the followings in detail : ( 1 ) compared with the precast tube concrete pile and tube sinking concrete pile, the merits and shortages, construction machine, construction technology of the pcc pile and pcc pile composite foundation are introduced in detail to make the pcc pile be known completely by engineers
本文在借鑒其他樁型的研究的基礎上，通過現場試驗研究和理論推導，對pcc樁處理軟基加固機理、沉降計算和優化設計等進行了較為深入的研究和探討，具體包含以下幾方面的內容： （ 1 ）在與預制管樁和沉管灌注樁等樁型比較的基礎上，對pcc樁的優缺點、施工機具設備、施工工藝、技術作用機理以及pcc樁復合地基技術特點等進行了述評。That is, the partially penetrating sand drain ground is viewed as the double - layered ground, and its consolidation is analyzed with 1 - d consolidation theory, through the transformation from 3 - d consolidation to 1 - d consolidation in the region of sand drain. this can overcome the disadvantage that the excess pore water is discontinuous between the region of sand drain and under - lying soft layer. to the double - layered ground, based on the consolidation mechanism under surcharge, the excess pore water pressure calculation formula is deduced under the condition of multilevel equably loading or unloading, which perfects the consolidation theory
然後，在充分考慮豎井區井阻、塗抹作用以及土體結構損傷破壞對固結影響的基礎上，將未打穿豎井地基合理地轉化為雙層地基，按一維固結理論計算，克服了傳統固結計算方法在豎井處理區與下臥層交界面處存在孔壓間斷的缺點；在此基礎上，從超載預壓法的基本原理出發，分析了雙層地基超載預壓固結、沉降機理，推導了多級等速加、卸載情況下雙層地基的固結計算公式，進一步完善了雙層地基固結理論。By using the constitutive model, we can establish the creep and consolidation model, the variation trend of super pore water pressure and the development of viscoelastic settlement and viscoplastic settlement. at last forecasting the long term creep settlement in the metallurgy industrial estate at the backward position of haihe river in tianjin
並利用此本構關系建立蠕變與固結模型，計算出土層在大面積填土作用下超靜水壓力發展趨勢，同時得出其粘彈性、粘塑性沉降發展趨勢，最後對冶金工業區軟土長期蠕變沉降作出預測。Therefore, it is very necessary for us to make a detail analysis of the reasons that cause the land resource to damage, and to make a prediction of land damage condition by means of the land sinking law, and to make an appraisal of the feasibility of the reusing of the land resource which was once out of use in order to make a maximum reasonable use with the possible minimum expense
因此，我們十分有必要對由開采引起的土地資源破壞原因作以詳細的分析，並應用由開采引起土地沉降的一般規律對土地的破壞情況進行預測。對由於開采而引起的暫時閑置土地的復墾適宜性進行評價，盡可能以最低的成本對土地進行最大化的合理利用。The gray model gm ( 1, 1 ) in the gray theory is established to forecast the subsidence successfully, and the verhulst model is also established to estimate subsidence tendency of a building
運用灰色系統理論建立gm （ 1 ， 1 ）模型，對結構的沉降進行成功預測；建立verhulst模型，對結構沉降發展態勢作出評估。In view of the technical problems of softening of foundation soil and reduction of bearing capacity of the breakwater under the action of repeated wave loads during the execution of the second phase of the deepwater waterway regulation project in the changjiang estuary, tianjin port construction corporation has successfully developed safer, higher quality and highly efficient technology and special - purpose marine craft and machinery for laying deepwater sand blankets and offshore installation of prefabricated drains, which were more suitable for the working conditions in the changjiang estuary, and has also explored the construction technology for prefabrication of caissons with rubber anti - sliding plates, to ensure the efficient implementation of the engineering measures against softening of foundation soil
摘要針對長江口深水航道治理二期工程施工過程中遇到的堤身在波浪重復荷載作用下地基土出現軟化、承載力降低的技術難題，第一航務工程局成功開發了適合長江口工況的安全、優質、高效的深水砂被鋪設和海上塑料排水板打設施工工藝及專用船機設備，探索了一整套帶橡膠阻滑板的沉箱預制施工工藝，確保了抗軟化工程措施的有效實施。Because the high pore - water ratio, lower strength, high compression all are the characteristics for the soft foundation. therefore, per - loading technique is usually adopted to get rid of most deformation due to primary and secondary consolidation before construction. even so, the foundation settlement after construction will exist for a long period
軟粘土路基在外荷載作用下，其沉降一般是比較大，通常在建造前一般會進行較長時間的堆載預壓，以消除大部分固結沉降和次固結沉降，盡管如此，路面的工后沉降仍然會在很長時間內繼續存在。4. dicussing soil pressure ( supposed as p ) and level displacement ( supposed as s ) in condition that consideration time performance, the relation is p = ae, when the defomation of wall has evidently effect on the soil pressure. 5. the deformation of wall ( supposed as sw ) leads to soil layer sedimentation ( supposed as pw ), the research find pw = 1. 22sw 6. the artifical neural networks has vast and applied foreground in the information construcion of deep foundation excluding the accidental factor
4 、探討了考慮時間效應的土壓力和位移關系曲線，認為在當墻體的變形對土壓力分佈產生明顯影響時，二者間的關系可用一指數函數來表達： p = ae ~ （ （ / s ） ） 5 、墻體側向變形，導致墻後土體產生沉降，在本次研究中，排除掉基坑降水施工因素的影響，由墻體變形導致的墻後土體沉降，二者具有p _ w = 1 . 22s _ w關系； 6 、將基於時間窗口滾動多步神經網路預測方法和應用於深基坑工程墻體變形的預測工作，具有較高的預測精度，該方法在巖土工程變形預測方法中具有廣泛的應用前景。Because there are many factors that affect the settlement of soil. furthermore, the relationship between timeand settlement is very complicated. in this paper we adopt the method that called the prediction method of multi - mthod and compile a program by c + + calculated for predicting
針對地基沉降變形的影響因素眾多，以及沉降與時間關系的復雜性，作者採用多種模型預測方法，並用c + +編制了部分計算程序進行計算。分享友人