膨脹度試驗 的英文怎麼說
中文拼音 [péngzhàngdùshìyàn]
膨脹度試驗
英文
dilatometer test- 膨 : 動詞(物體的長度或體積增加) expand; swell
- 脹 : 動詞1. (膨脹) expand; dilate; inflate 2. (脹大) swell; distend; bloat
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 試 : 名詞(古代占卜用的器具) astrolabe
- 驗 : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
- 膨脹 : expand; swell; dilate; inflate; puff; bulge; inflation; expansion; dilatation; buckling; swelling...
- 試驗 : trial; experiment; test
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Following is the factors ideating with the surface of old concrete in different way ( including brushing surface, chiseling surface, cleaving surface ), adherence agent ( including cement slurry, cement sand slurry, cement slurry with the u expansion agent ), the freeze - thaw circulation times and air - entraining. as a result, we found that the roughness influence on the adhesion capability of the new on old concrete to a large degree. the larger rougeness is, the larger the splitting tensile strength on the adhension face is. the kind of adhesion agent is also influence on the adherence capability of new on old concrete. the circulation times of freez - thaw have a large influence on the splitting tensile strength of adherence face of new on old concrete. the analysis of tests give some advices to the practical engineering
主要考察了老混凝土表面不同處理方式(刷毛面,鑿毛面,劈裂面) 、界面粘結劑類型(水泥凈漿,水泥砂漿, u型膨脹劑水泥漿) 、凍融循環次數等對新老混凝土粘結面劈拉強度的影響,以及凍融作用下新混凝土加氣對粘結面劈拉強度的影響。試驗結果表明,粗糙度對新老混凝土粘結性能有重要影響,隨著粘結面粗糙度的增大,粘結面劈拉強度不斷增加;界面粘結劑類型對新老混凝土粘結性能有一定影響,在凍融作用下, u型膨脹劑水泥漿粘結效果不如水泥凈漿和水泥砂漿;凍融循環對粘結面劈拉強度有較大影響,加氣能明顯改善新老混凝土粘結面的抗凍能力。Based on the theory of unsaturated soil mechanics and the properties of compacted expansive soil, this paper takes the northern part k12 + 840 - k12 + 920 of nanning urban highway as an example to studies some aspects of lime improvement of expansive soil and the technology of construction. the chief content of this paper is : the lime improvement mechanism of expansive soil ; confirm the technical parameters of lime mixed from the results of test in laboratory ; the scale - down test to define the maximum effective grain size of expansive soil when it is improved by lime ; by building bank slope model and making use of finite element seepage flow program of saturated - unsaturated to calculate the examples, this paper simulates the humidity site in order to checkout the effect of lime improvement ; studies and proves that it is feasible to mix blocky expansive soil and pulverous lime, and to fill roadbed by common construction machines etc.
本文研究的工作就下述幾個方面展開:用石灰改良膨脹土的機理;通過室內試驗確定摻灰的技術指標;在室內進行膨脹土摻灰的最大有效粒徑的模擬試驗,即鈣離子水試驗,由此總結出「粉?塊」灰?土攪拌工藝的有效性、合理性和可行性;用數值方法對路堤使用期的濕度場進行模擬,並與路堤的強度?變形的計算域耦合,以檢驗土性改良的效果,從而探索一種描述改良膨脹土路堤運行工況的數值方法;用現有最常用的且費用最低的施工機具,對灰?土進行「粉?塊」攪拌摻和及路基的填築施工等。The contributions of these factors and their reciprocal actions affecting deformation and strength are ascertained by the way of orthogonal test interpretation. the effective ways of reducing expansiveness, collapsibility and that of enhancing strength of expansive soil are proposed
利用正交試驗的數據分析法確定以上因素及其交互作用對加水變形和強度的貢獻大小,提出減少膨脹土膨脹性、濕陷性以及提高強度的方法。The results of experiment on the relationship between tensile strength, shrinkage, self - desiccation shrinkage and flat restraint cracking show that sra ' s physical shrinkage - reducing effect and ea ' s chemical expansion effect greatly enhance the volume stability of concrete and reduce the probability of early - cracking
對減縮劑與膨脹劑抗拉強度、干縮、自乾燥收縮及平板約束開裂的試驗結果表明: sra的物理減縮作用及膨脹劑的化學膨脹作用,大大提高了混凝土早期的體積穩定性,降低了早期開裂的概率。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。Based on the field exploration and long - term underground observation, this paper reveals the zoning of structure and the timing of mechanical strength for dilative soil, and puts forward the experiment method to obtain values by zoning in the design of dilative soil slope
通過野外勘探及地下長期觀測,揭示了膨脹土的結構分帶性和力學強度的時效性,提出了膨脹土邊坡設計中分帶取值和試驗方法。( 2 ) interfacial agents this experiment adopts three types of interfacial agents : no interfacial agent, neat cement paste which has the same water - cement ratio with the new concrete, cement paste mixed with 10 % expanding agent which has the same ratio with the new concrete ( which is called cement paste mixed with expanding agent for short ). the thickness of the interfacial agent is 2 ~ 3mm
( 2 )粘結劑本試驗採用三種粘結劑:無粘結劑、同新混凝土相同水灰比的水泥凈漿、摻10 u型膨脹劑的同新混凝土相同水灰比的水泥凈漿(以下簡稱水泥膨漿) 。界面劑的厚度一般為2 3mm 。Based on the pull - out tests data between geogrids and expansive soil / sands arranged by the orthogonal table l9 ( 34 ), the following conclusions are reached : 1 ) the displacement - properties of pullout tests depend on the pullout speed. the law of factors " affecting degree, which influences the parameters between geogrids and soils in the pulling - out procedure, is obtained. with the concept of " equivalent pull - out displacement ( x ) " brought forward, the whole process of pull out tests is divided into two process - " main process ( when x 1. 0 ) " and " residual process ( when x 1. 0 ) ", and three stages - static friction resistance stage, slip friction resistance stage, and residual friction resistance stage
基於正交設計表l9 ( 3 ~ 4 )分別安排了影響因素與土工格柵膨脹土或砂土界面相互作用參數的拉拔試驗數據,獲悉: 1 )拉拔試驗位移特性主要取決于影響因素中拉拔速率;通過分析並獲取影響因素對筋土界面相互作用參數的影響程度及其在拉拔試驗過程中的變化規律,提出了當量拉拔位移( x )的概念,並據此將拉拔試驗全過程劃分成「主過程( x 1 . 0 ) 」和「殘余過程( x 1 . 0 ) 」 ;且將影響因素對拉拔力或摩擦阻力系數的影響程度分成三階段(靜摩擦阻力階段、滑動摩擦阻力階段,殘余摩擦阻力階段) ; 2 )不同(規范)定義的筋土界面摩擦阻力系數數值相差較大,但影響因素對摩擦阻力系數影響程度及其變化規律不會因不同(規范)定義而受到影響。Based on the cause analysis for failure of water stop of tunnel ' s cast in site circular construction joint from theoretical and constructional point of view as well as the working mechanism of expansive water stop proposed in terms of width of construction joint, the relation between width of circular construction joint and water pressure resistance of water stop is established and its model test carried out
首先從理論和施工角度分析了隧道現澆環向施工縫止水條的失效原因,然後從施工縫張開度的角度提出了膨脹止水條止水的原理,在此基礎上建立了施工縫張開度與止水條抗水壓力之間的關系,並進行了模型試驗。Several materials with large coefficient of expansion were selected to make packaging components, and it was found that the packaging materials have good temperature sensitivity and compatibility with optical fibers. experimental accuracy and repetition of fbg temperature sensitivity and compensation were discussed. have selected several materials which has bigger coefficient of expansion to do packaging components, have made many temperature experiments, there have not flaws, such as aging, crackle, absciss layer, packaging materials have good temperature sensitivity and compatibility with optical fiber ; have designed the simple and practical packaging components, have performed a serials of experiments about accuracy and repetition of fbg wave - length, have obtained the first step conclusion ; have analyzed the result and made comparison between the result of different experiment, have summarized the best packaging effect and several rules to reduce mistskes
本文所做的主要工作包括以下幾個內容:一、選取了常見的熱膨脹系數大的材料製作封裝元件,經過多次一80到80反復測試,封裝元件沒有出現老化開裂、封裝裂紋、空洞、離層等缺陷,封裝材料具有良好的溫敏穩定性及復用性,與光纖相容性較好;二、對光纖光柵進行簡單、實用的封裝處理,就封裝效果的優劣性、波長測量的準確度、重復性和封裝時產生的波長損失等方面進行了一系列的實驗,得出了初步的結論;三、對溫敏和溫度補償式封裝的實驗數據進行了詳細的分析和對比,從數字上對溫變過程中光纖光柵中心波長的改變及溫變曲線進行了定量的分析,在大量實驗數據分析結果的基礎上,總結出哪種材料封裝效果更好,以及如何有效的減小實驗誤差。Many beating experiments of different quality of added lime and unlimited compress strength experiments of different time have been made
為了研究摻石灰對膨脹土的影響,進行了不同摻灰率的擊實試驗和不同齡期的石灰土無側限抗壓強度試驗。Many beating experiments of different quantity of added lime and unlimited compress strength experiments of different protective time have been made
為了研究摻石灰對膨脹土的影響,進行了不同摻灰率的擊實試驗和不同齡期的石灰土無側限抗壓強度試驗。On basis of the data of unlimited compress strength experiments, the paper gets the relationship between unlimited compress strength of lime - soil and the quantity of added lime. the paper also discusses the reason why the lime can dispel the expansive and shrink quality of expansive soil
通過無側限抗壓強度試驗,得到石灰土無側限抗壓強度與摻灰量的關系及齡期對石灰土無側限抗壓強度的影響,同時對石灰改善膨脹土的機理作探討。On basis of the data of the unlimited compress strength experiments, the paper gets the relationship between unlimited compress strength of lime - soil and the quantity of added lime. the paper also discusses the reason why the lime can dispel the expansive and shrink quantity of expansive soils
通過無側限抗壓強度試驗,得出了石灰土無側限抗壓強度與摻石灰量的關系及齡期對石灰土無側限抗壓強度的影響,同時對石灰改善膨脹土的機理作進一步的探討。Comparing their expansion force counted by liner interpolation, the author puts forward the critical value existing in the reinforcement ratios. in the meantime, the tri - axial shear test of cu on the expansive soils and reinforced soils under different compactness, layers and confinement pressure are finished. it is concluded that the cohesive force of reinforced soils is greater than that of expansive soils, moreover the internal friction of reinforced soils is equal to that of expansive soils
同時對膨脹土及其加筋土分別進行了不同壓實系數、加筋層數及周圍壓力下的三軸固結不排水剪切試驗,分析這三種因素對素土和加筋膨脹土強度的影響,比較加筋前後膨脹土的c 、值,得到c值增加值幾乎不變的結論。It analyses the causes to bright image movement, studies principle to compensate image movement, conforms project to compensate image movement, and designs framework to compensate image movement in the article ; to analyze and design configuration of the scanning mirror, to select matters of mirror and its support structures on the principle of consistent line expansion coefficient ; to ascertain type of moment electromotor by most rotating angle speed and most rotating moment which are required by loads in the period to take pictures, as well as by figuration size of electromotor ; to design retarder according as the electromotor parameters ; to design and optimize lightweighted mirror shapes, because the mirror is key part ; to design flexure support structure, to analyze static and dynamic characteristics of the support structure by name of patran program for validating desig n rationality ; to study function of the scanning mirror electric control system ; to test precision of the system, the results indicate the rationality of design of the scanning mirror system
本文通過分析像移產生原因、研究像移補償原理,確定像移補償方案,並根據像移補償原理設計補償機構;分析與設計掃描反射鏡系統結構,根據材料線膨脹系數一致原則,選擇反射鏡及其背部支撐的材料;由掃描反射鏡在擺掃周期內的最大擺掃角速度確定力矩電機的額定轉速,根據負載力矩確定電機的額定轉距,綜合電機外型尺寸等因素,確定執行元件? ?電機的型號;根據所選電機的參數指標,設計1 : 6速比的減速器;利用patran軟體對掃描反射鏡系統中的關鍵件? ?反射鏡進行輕量化設計與優化;設計反射鏡柔性支撐結構,並通過軟體分析支撐結構的力學特性,驗證反射鏡柔性支撐結構設計的合理性;從原理上研究掃描反射鏡控制系統功能;進行系統精度測試,測試結果表明掃描反射鏡系統設計的合理性。With the deep sub - micron process being mainstream technique in semiconductor production, the shrinking scale and the expanding size & complexity bring about a series of severe problems, which poses a great challenge on asic ( application specific integrated circuits ) design. we must consider synthesis and test requirements in the early time of front - end design
隨著超深亞微米工藝成為半導體業界的主流加工工藝,日漸細微的器件尺寸以及不斷膨脹的設計規模和復雜度引起了一系列嚴峻的問題,給asic設計帶來了巨大的挑戰,迫切要求在前端設計時就開始考慮綜合、驗證和測試的需要。Based on laborary study with triaxial shear tests, direct shear tests, compression tests, and expansiveness tests of the expansive soil in an ' kang area, shanxi province, p. r. china, the influence of structural behavior on expansibility, shearing strength and compression is discussed
本文對安康地區膨脹土進行了較為詳盡的室內靜三軸試驗,直剪試驗,壓縮試驗,膨脹性試驗,討論了結構性對其壓縮性、強度特性、膨脹性的影響。Based on the systematic shearing strength tests the intact expansive soil in the xiangjing highway, the mechanical feature and strength characteristic of the expansive soil is studied in detail in this article. moreover, a series of parameters about the shearing strength are acquired, which is typical to the expansive soil in the xiangjing engineering and the related project and so can be used as reference for the road cutting slope stability analysis considering the specific of the xiangjing project, a classification is suggested, which is complementary to the existed norm
本文對襄荊高速公路膨脹土的物理力學性質及強度特性進行詳細的分析,開展了系統的原狀膨脹土的抗剪強度試驗,並得到一系列有關襄荊高速公路膨脹土的抗剪強度參數,對于本工程以及相似工程具有一定代表性,可供公路路塹邊坡穩定計算分析時參考。To analyze the loess characters of compression, collapsibility and expansion after unloading, water content and the compaction degree of the loess is changed in the test which indicates that the loess with high compaction degree and low water content still has collapsibility
分析了不同含水量、擊實度下黃土的壓縮性、濕陷性和卸荷膨脹性,試驗表明在高擊實度、小含水量下重塑黃土仍然有濕陷性。分享友人