縮限試驗 的英文怎麼說

中文拼音 [suōxiànshìyàn]
縮限試驗 英文
shrinkage limit test
  • : 縮構詞成分。
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : 名詞(古代占卜用的器具) astrolabe
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • 試驗 : trial; experiment; test
  1. This paper analyzes the influence of sra on the shrinkage - cracking property of hpc by designing five check - up experiments including desiccation - shrinkage, autogeous shrinkage, flat - restraint, anti - chloride ion penetration and ultimate tensile strain

    摘要設計了乾燥收、自收、平板約束、抗氯離子滲透性以及極拉應變等5種方法來檢劑對高性能混凝土收開裂性能的影響。
  2. This result has practical significance. in this paper ' s theoretical section, base on current shrinkage and creep calculational methods, analysis to the experiment project and tall building structure examples were made, and then the influence of shrinkage and creep to structure stress was put into discussion ; moreover, an fea program was compi led to calculate shrinkage and creep strain considering construction process, and through a tall building instance, the influence to tall frame structure stress was analyzed

    本文的理論部分在現有收徐變計算方法的基礎上對本工程和高層建築結構進行了算例分析,通過與彈性計算值的對比,討論了收徐變對結構內力的影響,以及計算收徐變時是否考慮鋼筋和施工過程對結果的影響;本文還編制了考慮施工過程收徐變的有元程序,並進行了算例分析。
  3. Creep analysis methods of high - rise buildings and large span buildings can only refer to creep coefficient method in bridge engineering or the method of degree of creep in hydraulic construction engineering under the present experiment conditions. in this paper, the incremental expressions of concrete creep and shrinkage strain when the initial computational age is not the same as the loading age are derived and corrected from the concept of concrete creep coefficient and the mean value theorem of integral and the principle of superposition. the differences of efficiency and accuracy of creep analysis between the finite element method with creep coefficient and the initial stress method with degree of creep are presented. this paper suggests that engineers should use the initial stress method with degree of creep to estimate the influences of creep on high - rise buildings and large span buildings on the basis of conceptual design

    基於現有的資料,高層及大跨度民用建築的徐變分析只能參照橋梁結構中的徐變系數方法或水工結構中的徐變度方法進行.從徐變系數的定義出發,利用積分中值定理和疊加原理,推導並修正了加載齡期與起算齡期不同時徐變收應變增量的表達式,對比了應用徐變系數分析徐變的有元法和應用徐變度分析徐變的初應變法在效率和精度上的差別,並建議應從概念設計的角度出發,採用徐變度的初應變法來估算徐變對高層及大跨度民用建築的影響
  4. Abstract : creep analysis methods of high - rise buildings and large span buildings can only refer to creep coefficient method in bridge engineering or the method of degree of creep in hydraulic construction engineering under the present experiment conditions. in this paper, the incremental expressions of concrete creep and shrinkage strain when the initial computational age is not the same as the loading age are derived and corrected from the concept of concrete creep coefficient and the mean value theorem of integral and the principle of superposition. the differences of efficiency and accuracy of creep analysis between the finite element method with creep coefficient and the initial stress method with degree of creep are presented. this paper suggests that engineers should use the initial stress method with degree of creep to estimate the influences of creep on high - rise buildings and large span buildings on the basis of conceptual design

    文摘:基於現有的資料,高層及大跨度民用建築的徐變分析只能參照橋梁結構中的徐變系數方法或水工結構中的徐變度方法進行.從徐變系數的定義出發,利用積分中值定理和疊加原理,推導並修正了加載齡期與起算齡期不同時徐變收應變增量的表達式,對比了應用徐變系數分析徐變的有元法和應用徐變度分析徐變的初應變法在效率和精度上的差別,並建議應從概念設計的角度出發,採用徐變度的初應變法來估算徐變對高層及大跨度民用建築的影響
  5. The precision of its calculating results has an direct effect on the design, construction and safe usage. in the typical calculation of the settlement of foundation, additional stress incurring by loading is calculated according to elastic theory which has the same characteristics in semi - indefinated space, the condesion of soil is decided by the condesion experiment of one - demension and the settlement is calculated by adding results of respective layer

    地基沉降計算一直是困擾巖土工程技術人員的一個難題,其準確與否將直接影響建築物的設計、施工和安全使用。在經典的地基沉降計算方法中,荷載作用下地基中附加應力場是根據半無空間各向同性彈性體理論計算的,土體壓性是根據一維壓確定的,並採用分層總和法來計算地基的沉降量。
  6. Among them, shrinkage - reducing agent and expansion agent were more effective to respectively reduce and compensate early age shrinkage of the concrete, on the contrary, polypropylene fiber was the most effective to restrain medium and long - term shrinkage of the concrete

    其中,減劑和膨脹劑的減與補償收的效果主要表現在早期,而聚丙烯纖維的中長期制效果最好。然後進行空心砌塊的改性研究。
  7. The plexiglass model test is carried out by two selective shape, the stress of each test operating loads was obtained in order to validate the correctness of the finite element modeling. in this paper, a regularity of shear lag effect of main sections in two kinds of box girder is given. as the foresight project of double - level - driveway continuous box girder, this research fully utilizes the space of box girder structure and flexural and torsional properties of high - depth box girder, which have innovative significance and applied foregroundin engineering

    對所選擇的結構形式進行尺有機玻璃模型,得到實腹連續箱梁和空腹箱梁在各種工況荷載下的應力,通過換算分析,證了本文所建立的有元模型的準確性,由此得到兩種箱梁各主要斷面剪力滯效應的變化規律。
  8. Because the best grade limits does not vary with material property, firstly, we can confine material grade to the best grade limits when doing subbase mixture design, secondly, after systematic temperature contraction test, aridity contraction test and compressive strength correction test, we can determine the best cement percentage which has the best crack resistance property

    因為最佳級配范圍是與粒料的粒徑大小有關的,所以在基層材料配合比設計時可首先將材料級配制在最佳級配范圍以內,然後通過系統的溫、干性能以及抗壓強度校核,最終確定抗裂性較好的合理水泥劑量。
  9. ( 1 ) systematic triaxial compression tests are made for the sand reinforced by various national geosynthetics. comprehensive investigations into the interaction characteristics are also made between sand / lime fly ash and various national geosynthetics by direct shear tests and pull out tests, which can help choosing geosynthetic type and understanding the geosynthetic reinforcement mechanism ; ( 2 ) this paper is also firstly systematically presents the results of a comprehensive investigation into the interaction characteristics between lime fly ash and various national geosynthetics ; ( 3 ) by non - linear fem, the influence of the modulus of geosynthetics, the thickness of the soft ground and the width of the foundation on the effectiveness of geosynthetic reinforcement are also studied ; ( 4 ) the main conclusions are as followed : ( geotextiles are likely to be suited for projects allowing high displacement, polyester warp knitting geogrids and oriented geogrids for projects allowing medium displacement, glass fiber geogrids for projects allowing low displacement and geonets for secondary projects. ( the confining effect of fill material to act on different kinds of geosynthetics varies largely, which must be considered

    ( 1 )本文利用三軸壓,比較各種國產土工合成材料對砂土的加筋效果;利用直剪和拉拔,比較各種國產土工合成材料與砂土或石灰粉煤灰的界面摩擦特性,深入研究土工合成材料的加筋機理,首次明確提出加筋土工合成材料的選型原則; ( 2 )本文首次系統地研究了石灰粉煤灰與各種國產土工合成材料的界面摩擦特性; ( 3 )本文採用有元法,系統研究了加筋模量、軟土地基厚度、基礎寬度等因素對土工合成材料加固軟土地基效果的影響; ( 4 )本文主要結論如下: (無紡土工織物適合用於允許大變形的加筋土工程;滌綸纖維經編土工格柵和塑料拉伸土工格柵適合用於對變形有較嚴格要求的加筋土工程;玻璃纖維經編土工格柵適合用於對變形有嚴格要求的加筋工程;土工網適合用於低等級的加筋土工程。
  10. The mechanics properties of two type of the lwts mixed with different foamed plastic beads are researched by the uniaxial compression test, the isotropic compression test and the triaxial compression test

    本文對添加不同種類泡沫塑料顆粒的輕質混合土樣進行了無側抗壓強度、等向壓及三軸剪切
  11. According to the special shape and operate requirements of the torpedo, the structure and moulding process of the torpedo shell are established, in which the body and overlay block with grooves are moulded by fiber winding, and close moulding respectively with the adhesive by limited stop compression. in the light of the selection of raw material system, composite system with outstanding performance are defined, based on which the mechanical properties are tested., with the overall consideration of structural characters and design demands, the main factors which may have effects on the strength and stability ( including stiffness section dimension, stiffeners space, skin thickness and skin lay angle ) is optimized one by one for the structure design parameters on the base of the fem model of skin, stiffness and layover block by fem. as a result, the prototype with 1 : 1 proportion and its structure and lay optimization design are completed. the moulding technology for polyurethane foam moulding the stiffened shell is obtai ned in terms of the design, manufacture moulding, experimental mould and tooling

    依據在研產品特殊的外型結構和使用要求,確定了該型號水雷復合材料殼體的具體結構形式和復合成型工藝路線,即由纖維纏繞工藝成型主體異形件,閉模成型帶通槽外貼塊,用位加壓工裝實現粘接的工藝路線;通過對原材料體系的篩選,確定了綜合性能較好的復合材料體系,以此為基礎進行了力學性能測;運用有元方法,建立了蒙皮、筋條和外貼塊的分析模型,綜合考慮結構特點和設計要求,對影響結構強度與穩定性的主要因素(包括筋截面尺寸、筋間距、蒙皮厚度、蒙皮鋪層角度)分別進行了結構設計參數的優選,最終完成了復合材料異形耐外壓殼體1 : 1樣件和比實件結構及鋪層優化設計;完成了聚氨酯泡沫胎成型內置加筋殼體的成型工藝技術研究;對比件進行外壓性能測,並給出了應力、應變測結果。
  12. This new method can use the limited time, outlay and resource effectively to predict the lifetime of the rlg

    這種壽命預測方法能夠有效的利用有的時間、經費和資源來進行壽命預測,周期,減少費用。
  13. Above all, based on analyzing the structure characteristics and its developing mechanism, the cement structural loess is made in laboratory, and the structure characteristics of intact loess and man - made cement structural loess are studied with confined compression test and triaxial compression test

    本文首先在對黃土結構性及其形成機理進行分析的基礎上,用水泥作為粘結材料製成人工結構性黃土樣,並通過側、三軸壓對原狀黃土和人工水泥結構性黃土的結構性進行了研究。
  14. Influence of soil body behind the abutment stress distribution and stress carry - over length due to different coefficient of friction is analysised, through the experimental results and the space finite element analysis results of the model, actual measurement results tally with the computing results well. ( 4 ) new type semi - integral abutment bridge is from optimization design of conventional abutment bridge - dashuiting middle bridge. not only bridge at both ends

    分析了不同摩阻系數對臺後土體應力分佈和應力傳遞長度的影響,並對結果和有元分析進行了對比,實測結果和計算結果吻合良好; ( 4 )將有縫橋-大水町中橋優化設計為新型半整體式無縫橋,橋梁兩端均不設伸縫,路面也不設任何接縫。
  15. 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,其體變壓值也越大。
  16. The seismic behavior of longitudinal middling - high r. c shear wall with frame column is discussed through model experimentations and finite element methods in this paper, after taking frame - shear wall structure of a main factory building of the large capacity power plant as experimentative prototype. the major work as follow : in order to appliance pseudo static test, the longitudinal middling - high r. c shear wall with frame column in the large capacity power plant ' s main factory building has been simulated to a model structure with 1 / 15 reduced - scale. the contents of study are process of cracking, course of damage, skeleton curve, rigidity degradation, ductility characteristic etc. that the seismic behavior of this kind of middling - high r. c shear wall is excellent has been proved by chubby hysteretic curve and fine capacity of energy dissipation

    本文以某大型火電廠主廠房縱向框架一剪力墻結構為原型,通過模型和有元分析,研究了縱向帶邊框柱中高剪力墻結構的抗震性能問題,主要內容有:選用1 15尺比把某大型火電廠主廠房縱向帶邊框柱剪力墻原型結構模擬為一個模型結構,並進行了偽靜力,研究了這類縱向帶邊框柱中高剪力墻結構的開裂與破壞過程、骨架曲線、剛度退化、延性性能等問題,滯回曲線飽滿,消能能力強,說明此類中高剪力墻的抗震性能較好。
  17. Shrinkage limit test

    室內土工縮限試驗
  18. In the light of its special property being not easy to gain strength, through mechanics researches on different methods to stabilize this kind of low _ liquid _ limit silty soil as subbase material, evaluated both technically and economically, we have got a cement lime stabilization plan to meet the index requirements for non _ side _ limit strength of compression of subbase of class2 road stipulated in the specification ; by means of improving the workmanship, thickening the loose layer of soil, adding soil on covering weave fabric before compaction, such problems can be solved as very poor compaction, loose surface during compaction, roughness and unevenness, coats of layer and shear damages

    本文針對黃河沖積而成的低液粉土其粘粒含量極低、土的不均勻系數很小、膠體活性差的工程特性,通過採用不同方法穩定該類土作底基層材料的力學性能研究,從技術、經濟角度綜合評價,得到滿足規范抗壓強度指標要求的水泥石灰穩定方案。通過對原材料、配合比設計、施工、等方面進行優化,從而顯著減輕了基層的早期及長期裂程度,從而提高了路面的耐久性。
  19. Ltd. a coupled vibration method on suspended free poles is employed to determine the initial young ' s modulus at elevated temperatures, also the thermal expansion coefficients of fire - resistant steel

    通過高溫下的恆溫加載拉伸,得到不同溫度下耐火鋼的屈服強度、極強度、延伸率、面率和應力應變關系,並測定高溫下耐火鋼的熱膨脹系數,採用懸絲耦合共振法測定高溫下耐火鋼的初始彈性模量。
  20. In this paper we made finite element analysis on the shrinkage influence of the ceft and did a series of shrinkage and mechanical tests

    本文對考慮收作用的鋼管混凝土構件進行了有元分析並對鋼管高強混凝土構件進行了收及力學研究,具體工作如下: 1
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