durability ratio 中文意思是什麼

durability ratio 解釋
耐久比
  • durability : 疲勞破壞
  • ratio : n. （pl. ratios）1. 比，比率，比值；比例；系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達；求出…的比值；使…成比例。2. 將（相片）按比例放大或縮小。
  1. Failure probability of coarse aggregates ( pfca ) could be a sample index durability evaluation of concrete in compressive strength test, where pfca was the ratio of number of total particles to which of the broken ones of coarse aggregates in the failed faces of a concrete specimen

    混凝土抗壓試驗中，粗集料破碎率p _ （ fca ）可以作為混凝土耐久性的一個簡要評價指標，其定義為試件斷裂面上破碎的粗集料顆粒數與暴露的粗集料顆粒總數之比。
  2. It is high performance concrete of low water - binder ratio. with its own gravity and without any vibration, it can fill up the space automatically. with high adding quantity of fly ash and slag, high quality water reducing agent and other compound admixture is the most important technology of this kind of high performance concrete. scc focus on high workability at the same time on high strength and high durability through choosing the composite of aggregate, additives, content of cementions material, admixture reasonably and the optimum design of mix proportion

    本文研究了採用吉林省本地原材料和常規生產工藝配製c40自密實混凝土的製作技術，採用水膠比、粉煤灰摻量、砂率、膠凝材料總量四個因素進行配合比的正交設計，試驗分析了自密實混凝土拌合物的工作性以及硬化后的力學性能、耐久性和生產與施工注意事項，並對其經濟性做出了客觀評價，本次試驗為吉林地區自密實混凝土的推廣應用提供了數據基礎。
  3. For the mixing proportion design of marine engineering high - performance concrete, the strength and durability, as well as raw material performance, water - binder ratio, sand ratio, and water quantity shall be designed synthetically

    海工高性能混凝土的配合比設計應充分考慮強度和耐久性，並對原材料的性能、水膠比、砂率、用水量等進行綜合設計。
  4. This paper presents the materials, mixing ratio design, construction technology, as well as the application of high - performance concrete with large amount admixtures in ningbo port, which may serve as a reference for prolonging the concrete durability of maritime structures

    摘要介紹大摻量摻合料高性能混凝土的原材料、配合比設計、施工工藝及在寧波港的應用情況，為提高海工結構混凝土耐久性提供借鑒。
  5. In this paper, the stresses of concrete watertight walls with different elasticity modules are calculated, according to deformation compatibility and boundary conditions of watertight walls and soil layers around, and some factors such as durability of walls are considered, the optimal wall intensity and the corresponding elasticity module are determined, thereby the mixing ratio of wall material can be ascertained by test

    文章通過對不同彈模的砼防滲墻的應力計算，按照防滲墻與周圍土層的變形協調性能和邊界條件，並考慮墻體的耐久性等因素，確定最優的墻體強度及相對應的彈性模量，進而通過試驗確定墻體材料的配合比。
  6. Taking advantage of ceramic wheel with high - quality diamond and cbn abrasive can achieve high sharpness, precision, grinding ratio and durability, which greatly exceed a traditional wheel and resin binder wheel

    採用高品質鉆石cbn磨料之瓷質法砂輪，可達高銳利度高精度高研削比高耐用性，大大超越傳統砂輪樹脂法結合劑砂輪。
  7. Thereafter, the fractal dimension value of cracks distribution was presented as an effective index to appraise the corrosion level. relations between fractal dimension and rebar corrosion ratio, concrete deterioration factor and strength of the member were studied respectively. fractal nn model was also built up to predict the ultimate load bearing capacity of crc members obtained from the field corroded structures, good results are achieved, which could provide an applicable method to evaluate the durability of crc members

    揭示出受腐蝕鋼筋混凝土構件在荷載作用下表面裂縫分佈服從統計意義上的分形，並對其進行了分形描述；提出以裂縫分形維數作為受腐蝕程度的有效衡量指標，首次實現了構件受腐蝕程度的定量描述；建立了裂縫分形維數與鋼筋銹蝕率、混凝土劣化系數、構件承載力之間的定量關系，並建立了分形神經網路模型對實際受腐蝕鋼筋混凝土構件進行了極限承載力的預測，取得了較好的預測效果。
  8. Abstract : water - cement ratio is an important parameter in concrete proportioning design and has a great effect on the nature of concrete, such as its intensity and durability

    文摘:水灰比是砼配合比設計中一個重要參數，主要體現在其對砼性能（和易性、強度和耐久性等）的影響上。
  9. The influence of the material composites factors, such as fiber volume fractions, fiber aspect ratio, cementitious - sand ratio and the admixture for interface tailoring, on the properties of pva - dfrccs is studied. these properties that have investigated include workability, mechanical properties, deformability and durability

    研究並分析了材料組成參數（ pva纖維體積率、纖維長徑比、界面改性劑和砂灰比等）對高強高彈pva纖維增強水泥基材料（ pva - dfrcc ）的工作性能、力學性能、變形性能及耐久性的影響。
  10. 6. the durability of concrete structures resisting chloride diffusion in different water cement ratio and different contents of fly ash and silica was analyzed and durable life was predicted based on the results of the test, which will be helpful to preparation of high performance concrete ( hpc ) as well as durability design and assessment of concrete structures

    系統地研究了低水膠比及摻加粉煤灰、硅灰的高性能混凝土的電滲透性和氯離子擴散系數，分析了水膠比以及粉煤灰和硅灰等活性集料對混凝土結構抵抗氯離子侵蝕的耐久性能的影響，並對高性能混凝土結構抗氯離子侵蝕的耐久壽命進行了預測，為氯鹽污染環境下高性能混凝土的配製以及混凝土結構耐久性評估與設計提供參考。
  11. In order to overcome the disadvantages of traditional binding mortar, in this paper new type binding mortar, has been developed in the paper, by adding polymer into mortar to improving the wetting binding strength and durability of mortar the key techniques of compounding binding mortar are how to reduce the polymer - cement ratio of binding mortar, and how to improve the creak resistance of binding mortar

    針對傳統粘結砂漿施工和易性差、粘結力低、耐久性差、用於粘貼外墻飾面磚易剝落等問題，本文採用在砂漿中摻入一定量的聚合物的方法，以提高砂漿的粘結力和砂漿的耐久性為突破口，開發出來了一種性能優良的新型粘結砂漿。
  12. At last some further research proposals of strengthening concrete structures with hfrp were presented : besides the theoretical descriptions of the durability of hfrp and its successful applications, further experimental research should be carried out to study its feasibility in strengthening concrete ; in order to inspect and amend the practical effect of the reasonable matching, experimental study of concrete columns and beams ( the author have fabricated 30 hfrp strengthening concrete columns with a diameter to height ratio of 1 : 3 and 15 concret

    汕頭大學碩士學位論文摘要最後提出了今後hfrp加固混凝土結構的研究設想，主要是: hfrp的耐久性除進行合理的應用實例和理論分析外，還需通過試驗研究進一步論證其可行性。應將合理匹配用於樑柱加固試件（作者已製作30個直徑/高為1 : 3的hfrp加固柱試件和15根混凝土梁試件供后續實驗研究之用。 ） ，檢驗實際效果，並進行修正。
  13. This paper used the reactive powder concrete ( rpc ) as the inorganic anchoring material, and studied this material ’ s compositions and the materials mechanics properties ( mainly includes compressive strength, shearing strength, elasticity coefficient and poisson ' s ratio ), and also studied the contraction, durability ( including the rpc permeability, chemistry corrosiveness and anti - frozen performance ) and the heat - resistance of rpc

    本文採用活性粉末混凝土（ rpc ）為無機錨固材料，並對該材料的配合比，材料力學性能（主要包括抗壓強度，抗剪強度，彈性模量和泊松比）進行研究，還分析了rpc的收縮性、耐久性能（包括rpc的滲透性、化學侵蝕性和抗凍性能）和耐高溫性能。
  14. The resistance attenuation of each element is considered in the design process, and the statistical parameters of the elements are assumed to be the same as the investigated results of china. in the process of the calculating of the element reliability attenuation in expected service life, several load combination and different load ratio of dead load to live load are considered. in order to ensure that structure reliability in expected service life satisfies the requirement of today ’ s code, a method of choosing the initial reliability index of structure basing on the length of expected service life and the structure resistance attenuation is proposed and the corresponding durability reduction factor is chosen by an optimum algorithm

    根據我國現行建築結構可靠度設計原理，考慮耐久性退化影響因素，設計了抗力統計參數與我國調查結果一致的五種代表性鋼筋混凝土構件，考慮多種荷載效應組合以及不同荷載效應比，研究了不同使用期內代表性構件的可靠度變化規律;為保證預期使用期內結構可靠度水平仍可滿足現行規范要求，提出了根據預期使用期和抗力衰減幅度確定結構設計可靠度指標的方法，並通過優化的方法確定了預期使用期內的耐久性折減系數，給出了預期使用期結構可靠度設計的實用設計方法。
分享友人
分享到 Line

分享到臉書