durability factor 中文意思是什麼

durability factor 解釋
耐久系數
  • durability : 疲勞破壞
  • factor : n 1 〈英國〉經銷人；（代客買賣收取傭金的）經紀人；代理商；代辦人；〈蘇格蘭語〉 土地經管人。2 要素...
  1. The compatibility and harmony among workability, mechanical grade and durability are optimized, with the ground of adjusting composition and dosage of fd - 1 ; after analyzing anti - freezing damage mechanism, it is concluded that temperature is main factor, which affects structure and property of concrete. after two processes of temperature - elevation of hydration heat and temperature - descent of cold - environment, there is original damage in concrete and its existence leads to temperature fields, as results in temperature damage on transition phase > aggregate and cement mortar of concrete

    通過對負溫混凝土早期防凍分析研究認為，環境溫度對混凝土的結構形成及其性能的影響十分突出，水泥水化溫升和環境散熱降溫兩個過程導致混凝土結構內部產生不均勻溫度場，對過渡相、水泥砂漿以及骨料都能產生不同程度的溫度損傷，產生內部溫差應力裂紋，初始損傷也是不可避免的。
  2. Our products are widely used in brake manufacturing of motorcycles, automobiles, trains and planes as raw material with properties of steady braking, durability, excellent heat - sinking capacity, stable friction factor and low noisy

    本產品是摩托車，汽車，火車，飛機等運動機械制動蹄的主要原料，具有制動性能穩定，散熱性好，磨損率低，磨擦系數穩定，躁聲低等特點。
  3. Through the investigation research on practical damaged element, considering the effect of corrosion, high temperature, wet environment, damage ( crack ) on structural durability, bearing capacity. this paper established the reliability analysis method of large - scale industrial factory, and applied the fuzzy mathematics to establish the factor set and weight coefficient set on the basis of expert experience. an analyzed method for fuzzy evaluation of structural element and bent frame structure system reliability is put forward

    通過對實際結構破損構件的調查，考慮腐蝕，高溫，環境潮濕，破損（裂縫）等因素對結構耐久性、承載力的影響，論文建立了大型工業廠房可靠度的計算方法，利用專家經驗和模糊數學方法建立了模糊評價的因素集和權重集，對鋼筋砼結構構件和廠房排架結構體系進行了模糊評價。
  4. 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。
  5. For concrete structure in the practical engineering, the non - mechanics damages, such as alkali - aggregate reaction, sulfate attack, carbonization, steel rust, freeze and thaw, and so on, are unavoidable due to the exist of erosive media. the deterioration form of mono or multi - factor influences on the concrete property of construction and durability greatly, and shortens the service life of the concrete to a large extent. permeability of concrete is the most important factor for these non - mechanics damages, so the permeability test of concrete is the normal and required item to study the durability of concrete

    實際工程中的混凝土結構，因侵蝕性介質的存在而使非力學破壞行為無處不在，這些非力學破壞行為包括堿集料反應、硫酸鹽侵蝕、碳化、鋼筋銹蝕、凍融等，單一的破壞形式或多形式的復合破壞作用對混凝土結構性能及耐久性能均有著較為嚴重的影響，在很大程度上縮短了建築物的服役年限，而這些非力學破壞在很大程度上取決于其滲透性，所以測試混凝土滲透性能是研究判斷混凝土耐久性的常規必測項目。
  6. Geometry factor - durability

    齒面接觸強度幾何系數
  7. The durability of concrete is one of the key problems in cement and concrete field that many scholars are concerned with. in recent years, the focus of durability research is transferred from single degradation factor to multi ones

    混凝土的耐久性一直是水泥混凝土科學界和工程界最為關注的問題之一，近年來其研究已經從單一劣化因素轉向多種劣化因素對混凝土耐久性的影響。
  8. Long - span bridges service under long - term transportation loads, strength degradation of structure materials because of fatigue cumulative damage is key factor of durability

    大型鋼橋是在交通載荷作用下長期工作的，疲勞累積損傷引起結構材料強度逐漸退化，成為大型鋼橋耐久性的關鍵因素。
  9. Now in the world, the reinforcement corrosion was considered as the most primary factor of the concrete structure deterioration and durability deficiency. the economic loss caused by the reinforcement corrosion is extremely huge

    當今世界，鋼筋銹蝕被認為是混凝土結構破壞和耐久性不足的最主要原因，由於鋼筋銹蝕而導致的經濟損失非常巨大。
  10. The research result shows that the corrosion of reinforcement is one of the dominating factor for decreasing the durability of reinforced concrete structures

    摘要鋼筋銹蝕是鋼筋混凝土結構耐久性降低的主要因素之一。
  11. Among so many factors contributing to durability, mechanical fatigue is the primary factor

    在影響耐久性的諸多因素中，機械疲勞是首要因素。
  12. 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。
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