層應力 的英文怎麼說
中文拼音 [céngyīnglì]
層應力
英文
ply stress-
According to specificities for jointed rock mass, multiple sliding failure of a jointed rock mass is presented, due to accumulation of stress along bedded plane of rock mass and destruction of remnant intact rock bridges between bedded planes and joints
摘要針對節理化巖體的自身特點，提出沿巖體層面產生的應力集中以及層面與節理之間的殘餘完整巖橋破壞，將可能導致巖體產生復合式滑移破壞。After molting three times, the zoea enter the mysis stage during which they begin to look more like adult shrimp and swim in a characteristic fashion with head and tail pointed downwards at right angles and occasionally performing a sudden retrograde jumping action. this is known as the inversion state, the fry being suspended upside - down in the upper middle region of the pond water. this is, therefore, also called the " inverted suspension phase "
眼幼蟲脫第三次即進入糠蝦期幼蟲期mysis stage ，此期之體形已略成蝦之狀態，且具特有之游泳姿態，即頭部及尾部均向下，成一直角彎曲而時作向後跳躍游動，又因成倒立狀態，懸浮於水中的中上層，又叫倒吊期，此期幼蟲對外界的環境因素，如水溫鹽分等變化，比前兩期來得更具適應力，主要餌料為豐年蝦brine shrimp的幼蟲，但其他大小略同的動物性浮游生物，如橈腳類copepoda輪蟲類rotifera均可。The fault controlled the magmatism and metallization relevant to the contact zone, and deformed successively and produced cataclastic rocks and two sets of joints ; the second stage was from late cretaceous to eocene. the fault zone deformed right - laterally under ne - sw striking transtention, and new joints zone was produced at the end of the two main faults because of local stress concentration. the fault produced inchoative cataclastic rocks, and two sets of typical joints in plutons ; the third stage of deformation was relatively faint and only a little of microcracks was produced and infilled with vei ns in the deformed rocks, which was during the himalayan movement
其後的繼承性活動在斷裂帶內形成碎裂程度最強達到碎裂巖的碎裂巖系列構造巖，變形帶兩側發育兩組典型的共軛剪節理；第二次在晚白堊世?始新世，斷裂在北東?南西向近水平擠壓作用下右行張扭性活動，斷裂帶兩主斷裂在斜列重疊的端部由於局部應力集中進一步擴展形成節理帶，而斷裂在巖體區也發育兩組典型的共軛剪節理，斷裂內形成初碎裂巖為主的構造巖；第三次是喜山期以西側抬升、東側下降的強烈升降為主的活動，在基巖中，主斷層兩側圍巖出現微破裂。In the course of time, they are subjected to compressive stresses in the direction of bedding.
最後，它們沿層理方向承受壓縮應力。Following the idea of coseismic stress - triggering, coseismic strain steps recorded by borehole strainmeters are used to study coseismic stress - triggered fault slips
摘要沿著同震應力觸發的思路，提出了利用鉆孔應變觀測記錄的同震應變階反演同震應力觸發斷層活動的方法。Investigation on layout of cables for prestressed lattice shell structure of two - layer cylindroid
拉索預應力雙層柱面網殼結構布索方案研究Abstract : based on the analysis of the main failures discovered in pavement on steel deck plate and the demanding service condition of the pavement on steel deck, high - temperature rutting test, low - temperature bending test and controlled stress flexural fatigue test are used to study the performance of asphalt mixtures modified by epoxy resin including high - temperature stability, low - temperature cracking - resistance, and fatigue cracking - resistance, which are served to evaluate the modification effect of epoxy resin of different contents. with the addition of epoxy resin, all the three performances are improved greatly. however, when the amount of epoxy resin added is over a certain value, the modification effect will be stable with no extra benefit detected. finally, in terms of the properties of the three respects, 20 ?, 30 ?, 30 ? are given separately as the proposal adding contents
文摘:在分析鋼橋面鋪裝層主要病害和特殊工作環境的前提下，分別採用高溫車轍試驗、低溫小梁彎曲試驗和控制應力小梁彎拉疲勞試驗，研究了不同環氧樹脂摻量下的環氧樹脂改性瀝青混合料的高溫穩定性、低溫抗裂性和抗疲勞性能.試驗結果表明:環氧樹脂對這3個方面都有很大的改進效果，但改性效果和樹脂的添加量並不是一個無限遞增的關系，當添加量超過一定數值以後，改性的效果將趨于平穩.最後就高溫、低溫、疲勞3個方面分別提出環氧樹脂添加量為20 ? ， 30 ? ， 30 ?的建議值Based on the analysis of the main failures discovered in pavement on steel deck plate and the demanding service condition of the pavement on steel deck, high - temperature rutting test, low - temperature bending test and controlled stress flexural fatigue test are used to study the performance of asphalt mixtures modified by epoxy resin including high - temperature stability, low - temperature cracking - resistance, and fatigue cracking - resistance, which are served to evaluate the modification effect of epoxy resin of different contents. with the addition of epoxy resin, all the three performances are improved greatly. however, when the amount of epoxy resin added is over a certain value, the modification effect will be stable with no extra benefit detected. finally, in terms of the properties of the three respects, 20 ?, 30 ?, 30 ? are given separately as the proposal adding contents
在分析鋼橋面鋪裝層主要病害和特殊工作環境的前提下，分別採用高溫車轍試驗、低溫小梁彎曲試驗和控制應力小梁彎拉疲勞試驗，研究了不同環氧樹脂摻量下的環氧樹脂改性瀝青混合料的高溫穩定性、低溫抗裂性和抗疲勞性能.試驗結果表明:環氧樹脂對這3個方面都有很大的改進效果，但改性效果和樹脂的添加量並不是一個無限遞增的關系，當添加量超過一定數值以後，改性的效果將趨于平穩.最後就高溫、低溫、疲勞3個方面分別提出環氧樹脂添加量為20 ? ， 30 ? ， 30 ?的建議值Stress of surface layer of small - diameter birch timber with different heating methods
不同加熱方式下白樺小徑木鋸材的表層應力The first, site experiment is carried out. the paper analyze in - situ testing data of subgrade which is made up of plain concrete pile composite foundation and agitation pile composite foundation including pore pressure, layer settlement of soils between piles, earth pressure, lateral deformations
發現正常荷載下，兩種復合地基路基的受力性狀不一樣，用建築垃圾填土樁距較大的素混凝土樁復合地基，淺層應力向樁體集中，並通過樁向深層擴散，樁間土與樁有較大的相對位移，樁頂和樁端的刺入較為明顯。The correlation between 300m steel surface stress and barkhausen signal has been studied by applying four points bending and analyzed with the magnetostrictive model
摘要採用四點彎曲加載，研究300m鋼表層應力與巴克豪森信號值的關系，並用磁滯伸縮模型對試驗結果進行了分析。Abstract : to facilitate the design, teaching and research of asphalt pavements, the article founded the models of displacement and tensile stress of three - layer system by using separation of variables, analysis and synthesizer. based on the analysis of common pavement structures and their equivalent conversion, the regression formulas of displacement and tensile stress are obtained successfully, furthermore the formulas applied in multi - layer system are checked. a great number of results of regression formulas show good accuracy for engineering application and theory research
文摘:為方便瀝青路面結構設計生產、教學、科研之用，本文採用分析綜合法與分離變量法建立了彈性三層體系應力位移顯式模型；並在分析常見路面結構層厚度及其當量換算和模量變化范圍的基礎上，成功求得了三層體系路表彎沉、上層滑動應力、上層連續應力、中層應力逼近公式；精度分析表明本文逼近公式精度很好，完全可推廣應用於多層體系，滿足工程設計和有關理論研究的需要Distribution laws of stratum stress with working face excavation in subway tunnels
城市地鐵隧道工作面開挖的地層應力分佈規律Centrifuge model test technique preferably solves two problems : one is the gravity loss of the model soil, the other is the coupling problem between the seepage field of the ground water and the stress field of the stratum, which is a guidance for other deformation controls under the similar condition
離心模型試驗技術較好的解決了在地下工程研究中模型土體的自重損失和地層位移分析中地下水滲流場和地層應力場相互耦合作用問題，對于在相似條件下富水地層隧道開挖施工如何控制地表沉降變形的研究方面具有指導意義。This paper analyzes job state of soil nail support system in the earth fill body in physically displacement characteristics of soil, strength characteristic distribute law of soil nail, strength characteristic distribute law of out layer of concert and so on, and reveals the function mechanism of soil nailing in earth flll body
從土體位移特性、土釘受力特徵、面層應力分佈規律、超前支護土釘的受力特性等方面分析了降雨與非降雨條件下填土中土釘支護體的工作狀態，揭示了填土中土釘支護的作用機理。Here aiming at temperature and traffic load factors, have a systemic study about strcture ' s stress distribution. plan is to make use of ansys to calculate pavement structure ' s distortion with full grade gravelly interlayer carefully through changing each layer ' s thickness and module. next, analysize stress among bottom of surface asphalt layer and top of semi - rigitidy base. lastly. make a conclusion : how to distrube stress and strain about the structure after adding gravelly interlayer
方法是採用ansys對加設級配碎石基層半剛路面結構進行多種參數模擬計算，通過改變結構材料厚度、模量等觀察基層和面層應力變化，研究碎石基層怎樣調整結構應力而防止了溫度和行車荷載產生的過大拉應力，避免基層產生內部裂縫。In order to analyze the base stress of such a new type pavement whichasphalt surface goes upon lean concrete base, calculating the load stress without asphalt surface through fem firstly, and then analyzing the effecting of asphalt surface ' s thickness based upon elasticity theory, and finally the formula of calculating load stress of lean concrete base with asphalt surface worked out according to the previous data
摘要為分析貧混凝土基層瀝青路面新型路面結構的基層應力情況，通過有限元分析方法計算貧混凝土基層的荷載應力，並利用彈性層狀體系理論分析瀝青面層厚度對其影響，由此推導出基層荷載應力的計算公式。The thesis introduces the biot ' s three - dimension consolidation theory based on absolute linear - elastic theory ; the thesis designs the pit dewatering scheme of hand - dug piles support of shenyang subway ' s shenyang station construction ; the thesis uses finite element program to simulate the influence on around environments caused by pit dewatering, and finds the change laws of earth mass inner stress and the effect parameters on the surface deformation on the basis of reasonable hypothesis and the analysis of ground water exploitation progress. combined with stochastic medium theory, the thesis introduces dewatering subsidence coefficient, sets up the predicting model of the surface deformation caused by dewatering, and develops the computing program ; by application of program on a single well of underwater exploitation, it is proved that the program is feasible, so the prediction of the surface deformation caused by underwater exploitation is realized
本文介紹了基於線彈性本構關系的biot理論；設計了擬建沈陽地鐵沈陽站點人工挖孔樁支護施工的基坑降水方案；利用有限元程序，模擬了基坑降水對周圍環境的影響；在合理假設的基礎上，分析了地下水開采過程中，地層應力的變化規律，找到了影響地面變形的參數；與隨機介質理論相結合，通過引入采水下沉系數建立了地下水開采引起地面變形的預計計算模型，並編制了電算化程序；通過某單井開采實例驗證了該方法的可行性，實現了地下水開采引起地面變形的預計。25, the stress distribution angle should be zero. at last, analysis of composite modular by three - dimension finite element is carried out. it considers the effects of different ldr and n. it shows that the values of finite element analysis are well accordance with those of in - situ tests under the working load
最後，採用三維復合模量有限元法，分析了不同加筋密度和層數對加筋復合地基沉降和加筋墊層應力分佈的影響，指出在工作荷載作用下，有限元分析結果與實測結果具有較好的一致性。Adopting the viscous - elastic method of energy conversion, the stress, strain and fracture distribution or evolvement rules of the composite structure of steel bridge deck asphalt mixture surfacing were explored
採用粘彈性損傷模型的能量轉換方法對鋼橋面瀝青混合料鋪裝層應力場、應變場及損傷場分佈狀況進行研究。分享友人