沉管法 的英文怎麼說
中文拼音 [chénguǎnfǎ]
沉管法
英文
pipe sinking-
With the development of the technology to build tunnels with sunken tubes in china, more and more subaquatic tumiels are built with sunken tubes and construction of the tubes in dry - docks is one of the important factors for building subaquatic tunnels with sunken tubes
摘要隨著我國沉管法修建隧道技術的發展，越來越多的水下隧道採用沉管法施工，而干塢是沉管隧道修建的重要因素之一。For 2h, the osc and special surface area decreased sharply, meaning a bad thermal stability. the osc and special surface area of the samples prepared by precipitation keep very well after aged, exhibiting a promising thermal resistance. while the samples prepared by dipping method have a much more stable osc at different temperature, that is, they have a good thermal stability
研究表明，採用溶膠?凝膠法制備的樣品在老化前具有最大的儲氧量和比表面積，但經高溫老化后，其儲氧量急劇下降，表現出很差的抗高溫老化性能；採用沉澱法制備的樣品在老化前後，其儲氧量和比表面積降幅最小，有良好的高溫熱穩定性能；採用浸漬法制備的樣品不管老化與否，其儲氧量並不隨著儲氧溫度的改變而大起大落，表現出較好的熱穩定性。This paper deals with seismic analysis of an immersed tunnel using the travelling wave method the objective of the analysis is to obtain the maximum stresses in the tunnel body and the relative displacements at the joints for design purpose in analysis ， the axial and transverse input waves are treated as two independent waves with different amplitudes and periods the method has been found to have the advantages of simplicity and clearness in physical concepts however ， reasonableness of the prediction by the method depends largely on the input data ， such as the wave amplitude ， the wave length ， the propergation speed of the travelling wave as well as the reaction coefficient of the ground thus ， determination of the input data is discussed in detail finally ， the method is applied to analysis of huangsha - fangcun immersed tunnel across the pearl river in guangzhou
將行波法應用到剛度較大、分段較多的水下沉管隧道的地震分析中，提出把軸向、橫向兩個輸入波處理為兩個獨立的行波的方法行波法是否符合實際，與輸入地震波的有關參數及地基系數選取有很大關系，作者對此進行了比較深入的討論，使輸入參數的選取簡單、明確，便於對計算結果進行分析與判斷最後應用此法對珠江水下隧道的工程實例進行了計算This paper deals with seismic response of a tunnel - soil system immersed tunnel ， as an underground structure ， must be compatible with the deformation of the surrounding soil thus the simplified model for a tunnel - soil system is established through two steps at the first step ， an mdof system is developed for modeling the foundation soil to this end ， dynamic behavior of the foundation soil is analyzed a typical section of the foundation soil simplified as a single mass - spring system on the basis of some equivalent criteria those mass are linked longitudinally by elastic springs to form an mdof system at the second step ， the tunnel is treated as a beam on elastic foundation ; that is ， the tunnel is connected with the soil massed to form a tunnel - soil system this model has been applied to the seismic analysis of huangsha fangcun immersed tunnel across the pearl river in guangzhou design recommendation is proposed on the basis of this analysis
研究沉管隧道在地震條件下整體受力的分析方法分兩步建立計算模型第一步通過分析場地地基土切片的動力特性，根據等效原則將其化為等效單質點體系，然後在縱向用等效彈簧連接而成為多質點體系的地基土計算模型；第二步將隧道看作彈性地基梁與上述多質點體系通過等效彈簧連結而得到土隧道體系的計算模型本文結合廣州黃沙芳村珠江水下隧道工程實例建立了具體的計算模型並對多種不同的約束條件，進行了縱向與橫向地震響應時程分析，為該隧道的抗震設計提供依據Particle size analysis. particle size analysis by gravity sedimentation. pipette method
粒度分析.用重力沉降法的粒度分析.滴定管法Determination of particle size distribution by gravitational liquid sedimentation methods - part 2 : fixed pipette method
用重力液相沉降法測定粒徑分佈的方法.第2部分:固定吸管法Abstract : based on references and works of authors, this paper presents the developments, key techniques of immersed tunnel tube in abroad and home recently years, and an alyses its advantages and shortcomings. finally, it gives an intro duction of so me model experiments ( including transportation, immersing, silting and ventilating ) for immersed tube
文摘:對沉管隧道的國內外發展情況、沉管隧道的防水、地基處理、浮運沉放等技術作了概述，文中還將沉管隧道與橋梁、沉埋法與盾構法進行了相應比較，指出了沉管隧道的優點及有關顧慮，最後就有關沉管隧道的模型試驗作了相應介紹Calculation methods for settlements of immersed tunnels induced by tidal load
潮汐荷載引起沉管隧道沉降計算方法Then, the stress state on adapter between two immersed tubes is calculated based on 3 - d finite element method
並採用三維有限元擬靜力方法，對沉管隧道接頭受力狀態進行分析計算。The nanometer particles of o - azo with diameters in the range of 40 - 60 nm and carbon nanotubes ( cnts ) immobilized by nanoscale o - azo are successfully obtained by modified liquid phase direct precipitation ( lpdp )
通過改進的液相直接沉澱法成功制備了粒徑在40 60nm的?唑基偶氮微粒，並將?唑基偶氮納米材料與碳納米管復合，制備了偶氮碳納米管納米復合材料體系。With practical instances, this paper introduces construction technology and matters needing attention of repeated - stroked vibrating driven cast - in - place pile
摘要文章結合工程實例介紹復打法振動沉管灌注樁的施工工藝及注意事項。Some means of ground treatment are discussed. all kinds of ground treatment methods are analysed. they are the deeping pile, prestressed tubular piles, diving casing cast - in - place pile, which are often used in shao xing. some problems about design and constrction are proposed
另外，對紹興城區常用的各種地基形式如：水泥攪拌法、管樁、沉管灌注樁等進行了分析，提出了在設計和施工中應注意的問題。Abstract ： in this paper the synthesis methods of silver nanostructure materials, such as nanocubes, triangular nanoprisms, nanorods, nanowires, nanotubes, dentrites, flake, nanodisks, nanobelts, and so on, were introduced, the methods include reducing precipitation, photoinduced conversion, irradiation reduction, electrodeposition, template, microwave - assisted, ultrasonic - assisted, hydrothermal assemble, microemulsion, and so on
摘要：介紹了納米立方體、三角形納米稜柱、納米棒、納米線、納米管、樹枝狀、片狀、納米盤、納米帶等納米結構銀的制備方法，包括溶液還原沉澱法、光誘導轉化法、輻射還原法、電化學沉積法、模板法、微波或超聲波輔助法、水熱法、微乳液法等。Load transfer mechanism of tubular pile is not expatiated completely because of the complex mechonism of soil core, which restricts the development of the theory for the bearing capacity of pile and its practiceal application
筒樁具有與一般的灌注或沉管實心樁不同的荷載傳遞機理，筒樁的荷載傳遞機理的復雜性制約了筒樁承載理論的發展與工程應用，其工程設計方法至今仍處於半理論半經驗的狀態。In this paper, the preparation and the purification of the carbon nanotubes was investigated. using the co catalysts produced by chemical co - deposition, the carbon nanotubes were synthesized by the catalytic chemical vapor decomposition method
採用催化劑裂解化學氣相沉積的方法，用化學共沉澱法制備的co催化劑，高產率的制備了多壁碳納米管。Currently, researchers from home and abroad usually use simplified models in the aseismatic analyses of immersed tunnels, which can not properly simulate the two functions of the soil, while the finite element method solves this problem successfully, and the development of numeric calculation and computer technology lays a solid basis for its application, it is a pity that the applications of fem is not common currently
目前，國內外對沉管隧道進行抗震分析時，大多採用簡化計算模型，將土的作用以等價彈簧和阻尼器代替，不能適當模擬土既是地震波的傳播介質又是結構物的支承介質的雙重作用。動力有限元法的連續介質模型很好的解決了這一問題，數值計算理論和計算機技術的發展為該方法的應用奠定了堅實的基礎，然而，目前這方面的應用還很少。Particle size analysis ; sedimentation analysis in the gravitational field ; pipette method
粒度分析.在重力場中的沉降分析.吸移管法Using nano - iron and nano - tungsten as catalyzers, we try to produce carbon nanotube or nanostring by cvd and pla. the results show that one - dimension carbon nanomaterials can be successfully obtained by cvd only based quartz module
在上述研究的基礎上，採用鐵、鎢兩種納米金屬作為催化劑，運用化學氣相沉積法和激光轟擊原位生成法嘗試合成碳納米管與納米線。Soil quality - particle size determination by sedimentation - pipette method
土質.通過沉澱作用測定微粒度.移液管法Determination of particle size distribution by gravitational liquid sedimentation methods - fixed pipette method
用重力液體沉澱法測定粒度分佈.固定移液管法分享友人