過早收縮英文怎麼說

過早收縮 的英文翻譯

過早收縮 例句

1. 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。
2. This paper unfolds engineering disposition and theoretical research of negative temperature high performance concrete ( nthpc ) with the damage of many factors motivation, the project background based on qing - zang railway engineering, which is one of four - emphasized engineering during the tenth five - plan. due to the difference of environment of construction and service between nthpc and ordinary concrete, and therefore durability of nthpc is required to higher level. at a first, nthpc must avoid frozen damage at early age and possess anti - freezing property at later period, in order to meet engineering practicable application need, and this are two emphasized and difficult problems, as for nthpc ; by means of mechanism analysis about deicing - agent ingredient and anti - freezing at early period, adopting composite technique routine of mineral addition + anti - freezing element + water - reducer4 - air - entraining + anti - erosion of steel component etc, based on orthogonal experimental approach, fd - 1 composite functional admixtu re was manufactured, which has more property and orientation on qing - zang railway
   負溫混凝土由於和普通混凝土在施工環境及服役環境上存在的差異，因此表現為比普通混凝土更為較高的耐久性要求；負溫混凝土首先要避免 早 期的凍害以及具備長期抗凍性能，才能夠滿足工程實際應用的要求，這也是負溫混凝土必須解決的兩大技術關鍵；通 過 對目前常用防凍劑組分作用機理的分析研究及混凝土 早 期防凍機理探討，採用礦物外加劑+防凍組分+高效減水劑+引氣+阻銹組分功能復合的技術路線，通 過 正交試驗設計復配了適應青藏鐵路工程要求的專用多功能復合型外加劑fd - 1 ；並在此基礎上配製不同等級負溫高性能混凝土，開展一系列包括硫酸鹽侵蝕、氯離子滲透、抗凍融循環、 收 縮 及耐磨性等耐久性能研究；通 過 對fd - 1組分和摻量的調整，優化負溫混凝土在施工特性、力學指標和耐久性三個方面的兼容、協調性。
3. Secondly, the intelligent optimization algorithms are used as search strategy. to overcome the genetic algorithm ( ga ) ’ s premature convergence, the metropolis scheme was introduced into ga
   針對遺傳演算法的「 過 早 收 斂」 ，我們採用混合優化演算法，將模擬退火演算法的metropolis接受準則引入到遺傳演算法中。
4. The author excogitated a kind of appropriative mud jacking material which is made up of cement, sand, fly ash, admixture and water. this material which was developed on the basis of large amount of tests has the proprieties of good self - flowing density, high earlier strength, non - segregation, non - weepage and non - contractility. especially, the author aim at dealing with pumping mud and earlier maintained developed a kind of high flow grade material which can meet the requirement of mud jacking
   本文研製了專用壓漿材料，採用水泥、砂、粉煤灰、外加劑和水混拌而成，通 過 大量實驗配製出的漿液具有自流淌密實性好、 早 期強度高、無離析、無泌水、無 收 縮 的性能，特別是針對路面唧泥處理或預防性養護，板底脫空量較小，研製出高流動度材料，能滿足壓漿施工的需要。
5. By the apparatus for measuring early - age shrinkage, the principle of this shrinkage and the measures to control it has been studied in this paper
   通 過 混凝土 早 期 收 縮 試驗，研究探索了這種 收 縮 的影響規律並提出相應的改善或抑制措施。

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