墻摩擦力 的英文怎麼說
中文拼音 [mócālì]
墻摩擦力
英文
wall friction-
3. the parameters of steel frame with infill which affect the lateral, resistant ability, such as panel ratio, frame - to - panel connectors, frame - to - panel interface friction, gap between panel and frame and mortar joint bond and friction were discussed. it is emphasized that the reduced location, shape and dimension is very important for the function of dog - bone reduced beam flange and must be paid more attention
對填充墻高寬比、填充墻與鋼框架抗剪連接件、內填充墻與框架梁空隙、填充墻開洞和鋼框架與內填充墻界面摩擦等影響填充墻鋼框架抗側力性能的因素進行了討論，並指出設計中考慮這些影響因素對于達到預期的設計目的是至關重要的，必須予以重視。As a whole, the research work of this dissertation can be summarized follows : 1. in accordance with my design patent, namely, reinforced earth retaining wall of r c net, and based on the analysis of the work mechanism, failure pattern, bearing capacity and stability of the reinforced earth, a new concept is expounded, namely, the reinforced earth wall which is thought of as a compound structure increase not only c but also ~ in comparison with non - reinforced earth. some bearing capacity formula are first introduced under the circumstances that the reinforced earth wall fails because of the breakage of material or inadequate cohesion between reinforcements and soil
歸納起來，具體的研究和所獲得的一些重要成果如下： 1 、結合本人的設計專利? 「鋼筋混凝土網格式加筋擋墻」及工程實踐，在對加筋土的加筋機理、破壞模式、承載力和穩定性等方面進行深入分析的基礎上，提出了一個新概念，即經過加筋后的土體作為復合結構與原土體相比，不僅提高了內聚力，而且也提高內摩擦角；並在此前提下首次導出拉力破壞和粘著破壞兩種情形下的承載力公式，然後進行了穩定性分析。Secondly, the static stress and strain characteristic of polymer - geogrid reinforced earth is summarized, the pulling stress distributing of the reinforced material in the earth walls, the interface characteristeric between the reinforced material and earth and the friction stress distributing between the reinforced material and earth are analysed
然後，總結了塑料土工格柵加筋土靜應力應變特性的一般理論，分析了塑料土工格柵筋材在擋墻中的拉應力分佈和塑料土工格柵與土的界面特性以及筋土間摩擦應力的分佈。Compared the results of fea and the data of experiment, we can analyse that the distributing of the seismic stress of polymer - geogrid reinforced material is similar to that of the static stress, but the stress values of them is different ; the seismic similar friction coefficient between the earth and reinforced material fall with the increasing of earthquake acceleration, model acceleration respond along the height of the model, etc. thirdly, according to the comparison and analysis of the model seismic fea results and model experiment data, we can find the polymer - geogrid reinforced earth seismic fea is reasonable, which is composed by earth element, contact element and reinforced material element
通過對比有限元計算結果和試驗數據，分析得出塑料土工格柵筋材的最大動拉應力的分佈與靜拉應力的分佈沿筋材的埋深大致相同，只是應力的值大小不同；地震作用下土筋間的動似摩擦系數是隨地震加速度的增加而減小；模型沿墻高方向的加速度響應等。接著，根據模型動力有限元時程分析結果和模型試驗數據的比較分析，得出由土體單元、接觸單元和筋材單元組合的塑料土工格柵加筋土非線性動力有限元分析模式的合理性。The study was focused on the deformation of the retaining wall and the internal forces in the reinforcements and the object of study included the effects of the vertical excitation, the reinforcement length, the reinforcement spacing, the weight of the facing blocks, the frictions between soil and facing blocks as well as those between two facing blocks
研究內容包括豎向地震影響、加筋長度、加筋層間隔、面板預制混凝土塊重量、面板與填土界面摩擦角、預制混凝土塊之間摩擦角等對加筋土擋墻變形、加筋層內力等的影響。The retaining wall reclining on the slight slope built on soft foundation is usually used in protecting the shore of river, the contradiction between the lack of impartiality in stress of the base and the small stress allowed by the foundation as well as the lack of stabilization of the breast wall is a hard nut to crack in the engineering. in the paper, a tenon - base is added under the base of the retaining wall, on the study of the choice of the parameters and formulas used in calculation and the research of theory used in calculation, method used to deal with the load, etc, the writer gives a way to crack the nut mentioned above paragraphs and presents a qualitative and quantitative analysis about them, such as the equivalent inner friction - angle ( d ) and the passive press of the clay ( ep ), etc. in the end of the paper, using modern optimization method, a design of the retaining wall reclining on the slight slope built on soft foundation is done, the result is economical, and accords with the fact
軟基上的仰斜式擋土墻在水利工程河道護岸中經常遇到，仰斜式擋土墻基底偏心應力較大和軟基土地基容許承載力偏小的矛盾以及擋土墻抗滑穩定不足是工程中難以解決的難題。本文在對仰斜式擋土墻設計中有關計算參數的選擇、公式的選用應該注意的問題進行了研究，對河道護岸軟基礎上的仰斜式擋土墻採用凸榫基礎處理的方法，就其計算理論、設計驗算中各荷載的具體處理方法進行了較為細致的研究，提出了解決軟基礎上的水工仰斜式擋土墻難以解決的難題的方法，並對有水情況下粘土等效內摩擦角_ d 、凸榫被動土壓力e _ p等在計算中的取值提出了定性和定量的分析。最後利用現代優化方法對軟基礎上的水工仰斜式擋土墻進行了結構優化設計，得出了符合實際的結果，與其它重力式擋土墻形式進行比較，取得了明顯的經濟效益。With the help of this program, this paper does research on the moved backwards of the slide surface, lengthening the anchor section, the soil nail ' s total force, gets conclusion about relations between the soil nail ' s length and the slope ' s grade, height, soil ' s mechanical parameter ; relations between soil nail ' s total force and coulomb soil pressure. with the help of the large multiuse finite element program ansys, this paper analyzes the soil nailing in one - step ' s slopes, in two - steps " slopes, puts the emphasis on the axis force ' s distributing along the soil nail at each rows, the effect of both the excavating mode and the original slope figure to the axis force of the soil nail, the one another effect between the upper - step slope and the nether - step slope in the soil nail ' s axis force, gets conclusion about the design of soil nail at the first low, different slope body is the same with different excavating mode, the original slope figure has more effect to some than others because of the slope body, the reasonably design of the step width in two - steps slopes, the two - steps excavating and retaining has more virtue than the one - step ' s. through soil pressure analysis this paper does research on the differences and the links between the coulomb soil pressure theory and the rankin ' s, the vertical pressure at the slope surface when the slope surface is inclined and the retaining wall is rough, the soil pressure ' s distributing behind the panel, gets conclusion about the effect of both the slope body inner stability and the slope surface local stability to the soil pressure
通過分析比較，論證了對數螺旋線型比圓弧形作為邊坡的假設滑裂面具有較多的工程優點，並為此編制了一個採用極限平衡法分析土釘支護的fortran語言程序，以此作工具對滑裂面的后移、土釘錨固段的超長、土釘總力的大小等方面作了研究，得出了有關土釘的長度與邊坡的坡角、坡高、土體力學參數的關系、土釘總力與庫侖土壓力間的關系等結論；採用大型通用有限元數值分析程序ansys分別對採用土釘支護的一階邊坡、二階邊坡進行分析，重點是研究各排土釘的軸力分佈規律、開挖方式及原始邊坡形態對土釘的軸力的影響、上下階邊坡在土釘軸力方面的相互作用，得出了有關第一排土釘的設計問題、不同類型的土體應適用於特定的開挖方式、原始開挖出的邊坡形態對一些類型坡體的邊坡土釘支護有較大的影響而對另外一些影響不大、二階邊坡臺階寬度的合理確定、二階開挖及支護比一階時具有較多的工程優點等結論；通過土壓力分析對朗肯、庫侖兩種經典土壓力理論的區別與聯系、坡面傾斜及墻背有摩擦時的坡面豎向應力分佈、面板背土壓力的分佈形態作了研究，得出了邊坡支擋土壓力受坡體內部穩定與坡面局部穩定兩個方面的影響、土釘支護面板背土體中卸荷拱的存在對面板受力有利等結論。Today, the criterions for anti - seismic design are very simple. in order to solve the problems in anti - seismic design, the research is carried out the work that has been done include the following aspects : ( 1 ) based on the deep analysis of the basic discipline of friction - reinforced theory and pseudo - cohesion concept, failure modals that can be existed in the reinforced earth retaining wall and their prevention measure and calculational methods are analysed and summarized
本文主要針對加筋土擋墻抗震設計中存在的問題展開研究，主要研究內容和取得的成果如下: （ 1 ）利用摩擦加筋原理和準粘聚力理論對加筋土的基本原理進行了深入分析，對加筋土擋墻可能存在的各種破壞模式及其防治措施、計算方法等作了深入分析和總結。The influence of cross - correlations among three pairs of soil parameters on the reliability of reinforced retaining wall under various destructive models is discussed in this chapter. the three pairs of soil parameters are ( 1 ) the cohesion and friction angle, ( 2 ) the friction coefficient between fill and geotexile, and friction angle, and ( 3 ) the friction coefficient between fill and ground, and friction angle. the decision making of the reinforced retaining wall is carried on based on reliability theory by taking the minimum cost as the target
第四章對加筋土擋墻可靠性分析中有關參數的概率特性進行分析，以某加筋土擋墻為例，採用一次二階矩法對筋材抗拉、抗拔，擋墻整體抗傾、抗滑和地基承載力進行可靠性分析，並對兩種加筋方案情況下加筋土擋墻的可靠性進行分析比較;進行土性參數對可靠指標的敏感性分析;分析三對土性參數的互相關性，即土的粘聚力和內摩擦角、填土與筋材的摩擦系數和填土內摩擦角、填土與地基的摩擦系數和填土內摩擦角之間的互相關性對加筋土擋墻不同破壞模式可靠指標的影響。分享友人