triaxial stress 中文意思是什麼
triaxial stress
解釋
三向應力-
It is frequently accelerated by the presence of an active environment and by triaxial stress.
激化環境和存在三軸應力，常可加速這種破壞。 -
A state of stress should always be described as triaxial since any body is three-dimensional.
因為任何物體都是三維的，故應力狀態總應按三向來討論。 -
To ensure this, specimens must be of sufficient thickness so that a triaxial state of stress can exist at the flaw tip.
為此，試樣必須足夠厚，使裂紋頂端處於三軸向的應力狀態。 -
Stress control triaxial compression apparatus
室內土工試驗應力控制式三軸壓縮儀 -
In this paper, the influence of cycles of drying and wetting on strength and deformation are studied by means of routine direct shear apparatus, triaxial apparatus and light consolidation apparatus which include : the influence of force of constraint on strength, the total stress strength of expansive soils with different saturation degree, the influence of cycles of drying and wetting on the total stress strength, the relation between saturation degree and compression modulus and that between saturation degree and void ratio, the influence of cycles of drying and wetting on the effective stress strength, the relation between saturation degree and generalized suction
本文利用常規直剪儀、三軸儀以及輕便固結儀，分別對非飽和膨脹土的強度和變形特性以及干濕循環對強度和變形的影響進行了一系列的試驗研究。以飽和度、干濕循環次數為變量，分別探求了外力約束對膨脹土強度的影響，不同飽和度膨脹土的總應力強度特性，干濕循環對非飽和膨脹土總應力強度的影響，飽和度與壓縮模量以及孔隙比的關系，干濕循環對飽和膨脹土有效應力強度指標的影響，廣義吸力與飽和度的關系，建議了一組計算非飽和膨脹土變形及強度特性的經驗公式。 -
The triaxial shear test of the original loess is carried out and the ct scanning is ongoing at the same time. combining images and data of the ct scanning with the stress - strain curve, the course of soften dehiscence damage and harden yield damage is explained by means of damage theory
進行了原狀黃土的三軸剪切試驗過程中的ct掃描，結合ct圖像、數據與應力應變曲線，利用損傷理論方法解釋了軟化開裂破壞和硬化屈服破壞過程。 -
With an analysis of soil liquefaction potential for free field of nanjing metro line 1 under 7 degree earthquake, as well as for excavated field, in line with railway engineering anti - earthquake design specification, dynamic triaxial tests and theoretical analysis using efficient stress method, the author comes to the conclusion that, when metro plate is located at layer s and the layer is thick, liquefied area is at metro bottom plate ; in some local section liquefied area is at metro top plate, or arch sides at the top of metro in most places
摘要採用鐵路工程抗震設計規范、動三軸試驗及有效應力的理論分析相結合的方法，對南京地鐵南北線（ 1號線）區間隧道開挖后其地基土在7度地震情況下的土層液化情況進行分析得出：當隧道底板坐落在5層且5層較厚時的液化區出現在隧道襯砌底板處；局部地段液化區出現在隧道頂部及拱腰；大部分地段的液化區出現在隧道頂板上方。 -
Abstract : in this paper, the efficient stress method is used as main means, while the railway engineering anti - earthquake design specification and the dynamic triaxial test are used as additional means. the authors analyze the ground layer liquefaction of shield tunnelling built on powder soil or fine sand, whose top plate is buried under two kinds of depth, and conclude that the liquefaction area is different with different buried depth. finally, the rational buried depth is proposed
文摘:以有效應力原理的有限元計算分析為主、鐵路工程抗震設計規范及室內動三軸實驗為輔，對修建在粉土或粉細砂層中的盾構隧道進行了兩種不同埋深情況下的液化分析，得出了埋深不同液化區出現區域不同的結論，並提出隧道抗液化的合理埋深。 -
At present plenty of experimental study has been made on the materials and structural performance of asphalt concrete cores in the world, and the design methods and construction technique as well as equipments have been more mature. however, there is still lack of the research of its basic performance. in this thesis, in combination with the actual project, the experimental study has been employed with the field core specimen and the specimen made in laboratory, mainly include the static triaxial test, confinement pressure stabilization test and stress relaxation test
目前，國內外對瀝青混凝土心墻的材料和結構性能已進行了一些試驗研究，其設計方法、施工工藝和設備較為成熟，但其基本性能研究方面顯得較為薄弱，本文結合實際工程對瀝青混凝土心墻的芯樣和試驗室成型的試件進行了試驗研究，主要包括靜三軸試驗、圍壓穩定試驗以及應力鬆弛試驗研究，得到以下基本結論： 1 -
Saturated sand are testes in the laboratory under the undrained cyclic loading condition with static - dynamic dual purpose triaxial compression test apparatus, which is designed under the cooperation of hohai university and marui co. ltd japan. the results indicate that the stress path approaches from a initial stress point to the failure lines as cyclic loading goes on, and eventually converges on a certain limiting stress path in the vicinity of the failure lines. the stress - strain curve, however, does not converge on a closed hystersis loop ; the shear strain rapidly increases in looser sand or gradually and continually increases in denser sand
利用河海大學與日本圓井株式會社共同研製的新型的多功能靜動三軸儀進行了飽和砂土循環扭剪不排水試驗，研究表明，對于松砂，剪應變幅度快速地由微小增加到百分之幾甚至百分之十幾，對于緊砂，剪應變幅度逐漸地由微小增加到百分之幾甚至百分之十幾；經試驗初步研究表明用初始有效平均正應力歸一化的有效應力路徑很好的一致性。 -
The dynamic parameters of the asphalt concrete can be obtained through dynamic triaxial test, combined with the cunli chen ' s studying results, discovering that the dynamic stress - strain relationship obeys the hyperbolic model well, and t he maximum dynamic modulus edmax and the maximum shear modulus gdmax increasing along with the decreasing of the temperature and the increasing of consolidation ratio kc
通過振動三軸試驗獲得瀝青混凝土材料的動力參數，並結合西安理工大學陳存禮老師的研究成果。發現動應力與動應變的關系較好地符合雙曲線規律，最大動模量e _ （ dmax ）和最大剪切模量g _ （ dmax ）隨著溫度的降低、圍壓和固結比kc的增大而增大。 -
In the paper, static and dynamic triaxial tests were conducted on fiy ash at shanmenxia longgou ash dam, and the static and dynamic parameters of fly ash were obtained. thirdly the 2 dimensions static analysis of the ash dam was conducted based on biot ' s consolidation theory and duncan ' s nonlinear stress - strain model. finally the plane dynamic behaviors of the ash dam during earthquake of intensity 7 were analyzed based on the exponent function model of excess pore water pressure aroused by earthquake, which is put forward in the paper, and equivalent visco - elastic dynamic fem model and principle of effective stress
本文結合實際工程，對三門峽火電廠龍溝灰壩的築壩粉煤灰進行了靜、動三軸試驗，確定了該壩粉煤灰的靜動力學指標；然後根據比奧（ biot ）固結有效應力原理，採用鄧肯（ duncan ）非線性應力應變模型，對該灰壩的二維靜力應力和變形狀態進行了分析；最後利用本文提出的地震超靜孔壓指數函數模型，採用等價粘彈性動力有限元方法，對該灰壩在地震作用下的動力穩定性進行了分析評述。 -
The static triaxial test of two engineerings shows that the breaking strength of asphalt concrete declines significantly as the temperature rises and the strain increases noticeably when breaking. increase in the asphalt content leads to decrease in tangent modulus and cohesion, but the internal friction angle tends to increase. increasing confining stress results in the augment of the maximum stress and the ultimate value of volumetric strain
兩個實際工程的靜三軸變形與強度試驗表明，隨著溫度升高瀝青混凝土破壞強度明顯降低，破壞時應變明顯加大；瀝青含量的增加會導致切線模量和凝聚力降低，但內摩擦角趨于增加；周圍壓力增大會導致最大應力_ d增大，其體變壓縮極限值也越大。 -
Based on stress control triaxial compression test and consolidation test, the indeterminacy of test result for rockfill was studied
摘要依據堆石料壓縮試驗和應力式三軸試驗成果，對堆石料力學試驗中的不確定性進行了論述。 -
Through lab tests on melted and common dark green silty soil of the passway in shanghai fuxing east road tunnel by using the typical triaxial test machine - ckc, their dynamic stress and stress - strain relations with different frequencies were studied
摘要以上海復興東路越江隧道江底旁通道凍結施工中的原狀和凍融作用后的暗綠色粉質粘土為研究對象，運用ckc循環三軸儀，採用不同的頻率來摸擬行車荷載進行室內動三軸試驗。 -
If asphalt concrete specimen is in stabilization by exert confining stress before the static triaxial test, it is then found that under the condition that time is long enough, the volume of the specimen will shorten gradually and stable around a fixed value, and the amount of compression is essentially the half of the volume of void itself. it is also found that in stabilization by exert confining stress the linear phrase will be shorten in the figure of the static triaxial test of specimen, while the initial tangent modulus will be augment. 3
在進行靜三軸試驗以前先對瀝青混凝土試件進行圍壓穩定，發現在時間足夠長的條件下，試件的體積會逐漸縮小，並逐漸穩定在某一定值，其壓縮量基本上為其本身孔隙體積的一半；經圍壓穩定后的試件靜三軸試驗曲線上的線性階段明顯縮短，而初始切線模量增大。 -
Development of testing machine for coupled seepage and triaxial stress measurements in rocks
三軸應力耦合試驗機的研製 -
Dynamic strength and deformation of concrete in triaxial stress states
三向應力狀態下混凝土動態強度和變形特性研究 -
The shear strength curve and compressed curve and soil - water characteristic curve as well as triaxial stress - strain curve of intact loess were obtained
得到了原狀黃土的抗剪強度曲線、土-水特徵曲線、壓縮曲線及三軸應力應變曲線。 -
By using the structural analysis program ansys, seven finite elements models based on three long - span cable - stayed bridges " box girder with different lengths and dimensions have been built up, and the triaxial stress of them are analyzed
利用大型結構有限元分析程序ansys ，對三座大跨度斜拉橋不同長度、不同尺寸的箱形主梁建立了七個有限元模型，並對其進行了空間應力分析。
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