paper shrinkage 中文意思是什麼

paper shrinkage 解釋
紙張收縮度
  • paper : n 1 紙;裱墻紙。2 報紙,報。3 收據;債券;證券;票據;匯票;鈔票(=paper money)。4 〈pl 〉身份...
  • shrinkage : n. 1. 皺縮;縮水;減縮;減少。 2. 【物理學】縮誤;縮減量;(肉類在運輸、加工過程中的)重量的損耗。 shrinkage in the market place 市場萎縮。
  1. Comparing with the same category overseas jointless bridges, the new type bridge has more reasonable structure, more simple and convenient construction, and better use effect etc. the main work in this paper is described as follows : ( 1 ) this paper introduces phylogeny and reseach survey of the joints bridge inland and abroad, and a new jointless bridge structure ? new type semi - integral abutment bridge is based on these, which characteristic of own structure and setting of primary component are expatiated. ( 2 ) this paper analyses influence of temperature effect, creep, shrinkage and circumambient soil of run - on slab on the new type structure, and analyses the forcing performance of beam, abutment and run - on slab of the new type semi - integral abutment bridge, and constrast to the same category joints bridges

    本文主要做了以下工作: ( 1 )介紹了無縫橋梁在國內外的發展歷史、研究概況,並在此基礎上提出了一種新的無縫橋梁結構形式-新型半整體式無縫橋梁,闡述了它特有的結構形式以及主要構件的設置; ( 2 )分析了溫度效應、徐變和收縮以及搭板周圍土體對這種新型結構的影響,對新型半整體式無縫橋主梁、橋臺以及搭板進行了受力性能分析,並和同類無縫橋梁進行了對比分析。
  2. 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

    摘要設計了乾燥收縮、自收縮、平板約束、抗氯離子滲透性以及極限拉應變等5種試驗方法來檢驗減縮劑對高性能混凝土收縮開裂性能的影響。
  3. In this paper, the course of isothermal crystallization kinetics of polymer in limited volume unit is simulated by use of the method of monte carlo. four factors influenting on the course of polymer in the limited volume unite isothermal crystallization are analyzed under the given conditions. the four factors are sample volume shrinkage, the change of the linear growth rate of entities g, the change of sample thickness and the change of the number of nuclei

    本文採用montecarlo方法研究了高聚物在有限體積元中的等溫結晶動力學過程,分析了在一定條件下,樣品體積收縮、晶體線生長速率變化、樣品厚度變化和晶核數目變化這四種因素對高聚物在有限體積元中的等溫結晶過程的影響。
  4. This paper aims at the seriousness of concrete structure crack and presents one of main cause is that concrete early - age ( especially autogenous shrinkage ) become large through the systems academic analysis

    本文正是針對混凝土結構工程早期裂縫的嚴重性,通過理論分析,指出目前混凝土早期收縮(主要自收縮)的變大是造成這種早期裂縫的主要原因之一。
  5. 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縮徐變計算方法的基礎上對本試驗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,討論了收縮徐變對結構內力的影響,以及計算收縮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縮徐變的有限元程序,並進行了算例分析。
  6. The co - effect of silane coupling agent, shrinkage reducing admixtureand fly ash on new - to - old concrete interfacial layer were primarily studied through a contradistinctive experimental study in this paper

    摘要通過對比試驗研究,初步探討偶聯劑、減縮劑和粉煤灰共同作用對新老混凝土界面層劈拉強度的影響。
  7. 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

    基於現有的試驗資料,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縮應變增量的表達式,對比了應用徐變系數分析徐變的有限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
  8. 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:基於現有的試驗資料,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縮應變增量的表達式,對比了應用徐變系數分析徐變的有限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
  9. Based on the inductive analysis to theories, aimed at perfection to software development, the paper expands three modules to the bridge software bridge master about to be developed - - data input system, creep and shrinkage analysis model and pre - stress analysis model

    本文以理論歸納分析為基礎,以軟體開發完善為目的,對擬開發的橋梁軟體bridgemaster擴充了三大模塊? ?數據輸入系統、徐變收縮分析模塊及預應力分析模塊。
  10. Abstract : the continuous composite arch bridges are introduced in this paper. some research results of the bridges, such as the basic performance, creep and shrinkage of concrete, principle of the controlled completed bridge state, relation between structure and internal force, construction methods and cases, are also reported. the suggestions for consideration in design are given in this paper

    文摘:介紹了連續拱梁組合橋在受力性能、混凝土收縮徐變、成橋狀態控制原則、構造與受力關系,以及常用施工方法與工況描述等方面的研究體會,並給出了可供這類橋梁設計參考的意見。
  11. Secondly, the workability, the ( cube ) compressive strength, the cylinder compressive strength, the drying shrinkage and the modulus of elasticity of the recycled coarse aggregate concrete, were studied in systemly in this paper

    其次,系統的研究了再生粗骨料混凝土工作性、 (立方體)抗壓強度、稜柱體抗壓強度、干縮變形、彈性模量,並詳細分析影響再生粗骨料混凝土工作性、強度、干縮變形的因素。
  12. With the very low water to cement ratio, rpc has ultra - high strength high ductility and low permeability. in this paper, the compressive strength of rpc can reach to a high point with the number approximately 135mpa. as illustrated from the study results, we can approve some fundamental conclusions : there are big effects on rpc with deferent kinds and properties of raw materials and deferent curing conditions ; stress - strain curve shows the process of destroy with rpc samples ; x - ray diffraction analysis indicates that heat treatment at temperatures 90 accelerate the hydration of rpc sharply, therefore, mechanical and microstructural properties of rpc are highly dependent on heat treatment ; it is believed that rpc materials have excellent resistance to chloride permeability ; during the heat treatment, the shrinkage of rpc developed quickly because of chemical reactions ; the rpc with slag mostly has the advantage of rpc without slag about resistance to solutions corrosion

    研究結果表明:通過對rpc各組分摻量變化的研究,可以找到rpc的最優配合比;試件成型后的熱養護制度對rpc的性能影響巨大; rpc的抗壓應力?應變曲線可以反映出試件受破壞時微裂紋的擴展情況,剛纖維的摻入可以大幅改善rpc的韌性; rpc在成型后存在較大的收縮,而其中的化學收縮要遠遠大於乾燥收縮; rpc具有很強的抗氯離子滲透性能,漿體的密實度很高;通過x射線衍射實驗,可以發現rpc的膠凝體中ch晶體已經幾乎不存在,膠凝體主要由c - s - h凝膠和未水化水泥顆粒組成;在抗溶液侵蝕的實驗中,摻礦渣rpc的抗溶液侵蝕性能在絕大多數情況下要好於不摻礦渣試件,酸、堿溶液和浙江工業大學碩士學位論文摘要一些鹽溶液都會對rpc的結構產生侵蝕作用,但是機理各有不同。
  13. Abstract : unsaturated polyester with low shrinkage composied of anti - shrinking agent, thermoplastics, dispersion - stabilizer, a kind of graft copolymer made from styrene and saturated polyester, shaped like a comb for its molecular structure and upr in certain structure and some factors effecting on low shrinkage were introduced in this paper

    文摘:研究了當用熱塑性樹脂作為不飽和聚酯樹脂低收縮劑時,合成了以苯乙烯為主鏈,聚酯為枝鏈的梳狀接枝共聚物,作低收縮劑的分散穩定劑,配合相應組成的不飽和聚酯樹脂得到了具有低收縮特性的不飽和聚酯組成物。
  14. By means of comparative experiments, this paper illustrates the influences of different cements, admixtures of flash - setting agents, water cement ratios, curing temperatures and raw materials on the performances of sprayed concrete, such as the setting time, strength and shrinkage ratio, on different conditions of efflorescence and hydration, so as to present references with regularity for the practical application of sprayed concrete

    摘要通過對比試驗,闡明了不同水泥、不同速凝劑摻量、水灰比、養護溫度以及原材料在不同風化和水化程度條件下,對噴射混凝土凝結時間、強度、收縮率等性能的影響,以期為噴射混凝土的實際應用提供規律性的參考資料。
  15. Edge collapse, honeycomb and surface voids in the slipform paving cement concrete and shrinkage of hardening concrete used in highways are studied in this paper, which is a part of western traffic project, frost resistance of cement concrete, supported by traffic ministry of china

    本文針對交通部西部交通項目水泥混凝土抗凍融耐久性能研究中高速路面混凝土滑模施工過程中的塌邊和麻面以及硬化混凝土收縮等現象展開研究。
  16. In the paper the effects of the made parameters, the main materials and environmental conditions on plastic shrinkage cracking were investigated. it can be concluded as following : 1 ) there was a critical w / c ratio of maximum plastic shrinkage cracking between lower and higher w / c ratio of concrete mixtures made with the same cement content per cubic meter, concretes with lower or higher w / c ratio being less prone to plastic shrinkage cracking and the w / c critical ratio critical of maximum plastic shrinkage cracking being about 0. 5

    本文研究了配製參數、主要原材料以及環境條件對新拌混凝土塑性收縮裂縫的影響,結果表明: 1 )單方混凝土水泥用量一定時,較低水灰比和較高水灰比對應的混凝土拌合物不易開裂,而中間某一臨界水灰比對應的混凝土拌合物開裂較嚴重,這一臨界水灰比為0 . 5 ;單方混凝土水用量或水泥漿量一定時,混凝土拌合物的塑性開裂趨勢與上述情況相似,但臨界水灰比分別為0 . 45 - 0 . 4和0 . 4 。
  17. Lwac is becoming one of the important trends in the development of modern concrete. to solve the problems such as poor workability, large shrinkage value and crack easily of lwac, on the basis of systematic experiments, the author establishes lwac workability evaluation system and advances the testing method of pumping performance of lwac ; the control technology of discrete of lwac is introduced through analyzing structure formation process and establishing the mathematic model ; based on studying the strength source of lwac and the function mechanism of artificial additive, this paper not only confirms some major factors which affect concrete strength but explores the preparation technology route of high strength lwac ; the different effects of several fibers in lwac have been studied, and the fiber is introduced in pumping lwac to improve its crack - proof performance

    本文針對輕集料混凝土工作性能差、收縮變形大、易於開裂等問題,根據大量實驗建立了高強輕集料混凝土工作性能的評價體系,提出了高強輕集料混凝土可泵性的測試方法;通過分析輕集料混凝土的結構形成過程,建立了輕集料混凝土拌和物物料運動的數學模型,提出了防止輕集料混凝土分層離析的技術措施;通過對輕集料混凝土強度來源和礦物摻合料的作用機理的深入研究,確定了影響輕集料混凝土強度因素的主次關系,提出了配製高強輕集料混凝土的技術路線;研究了纖維在輕集料混凝土中的增強增韌、減少收縮的作用機理。
  18. Abstract : the relationship between milling technology and using properties in yak hair sweater were studied in this paper. based on the experiment, the size shrinkage, strength, warmth retention property and elasticity of elongation of eighteen different samples were discussed, and the relationship between these properties and milling factors were analysed. some rules were discovered

    文摘:研究了氂牛絨衫的縮絨工藝與其服用性能的關系.測試了經不同縮絨工藝處理后的18塊小樣的面積縮率、頂破強力、保暖率和拉伸彈性恢復率等指標.統計分析了縮絨工藝參數間關系,得到了一些規律
  19. On the basis of relative researches in the world, according to the study status of steel - concrete composite slab, which would be widely used in modern bridge, modified equivalent inflexibility of steel - concrete composite slab was deduced by use of conversion section principle in this paper ; based in this, this paper put forwards the theory of ultimate flexural capacity of steel - concrete composite slab in consideration of slip effect, and introduces the practical simplified method for calculating flexural deformation of steel - concrete composite slab in consideration of the effect of steel studs and welded wire, and conclude that the methods in this paper is veracious and reliable, comparing with the traditional calculating mode ; morever, this paper put forwards the calculating theory and program of the effect analysis of creep and shrinkage to steel - concrete composite slab, using conversion elastic modulus principle, and testifies that the theory is right and the program is reliable and practical

    本文在國內外研究成果的基礎上,針對壓型鋼板與混凝土組合板結構在現代橋梁建設中廣泛應用前景和研究現狀,利用換算截面法導出了壓型鋼板與混凝土組合板結構的修正等效慣性矩;在此基礎上,又推出了考慮壓型鋼板與混凝土之間的相對粘結滑移影響的壓型鋼板與混凝土組合板結構極限抗彎承載能力計算理論,並介紹了考慮栓釘、聯結件影響的壓型鋼板與混凝土組合板結構簡化實用撓曲變形計算公式,而且通過與傳統計算理論的分析比較,表明本文提出的計算理論公式的準確可靠性;此外,採用換算彈性模量比法著重提出了壓型鋼板與混凝土組合板結構的徐變、收縮效應分析的計算理論和程序,並通過實例分析計算證明了理論的正確性、程序的可靠性和實用性。
  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

    本文對考慮收縮作用的鋼管混凝土構件進行了有限元分析並對鋼管高強混凝土構件進行了收縮及力學試驗研究,具體工作如下: 1
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