concrete workability 中文意思是什麼

concrete workability 解釋
混凝土和易性
  • concrete : adj 1 具體的，有形的；實在的，實際的。2 固結成的，混凝土製的。3 圖案詩歌的（參閱concrete poetry）...
  • workability : 操作性能
  1. The results of research on the workability of hbc concrete show that hbc concrete, when compared with opc concrete, has excellent compatibility with superplasticizer, in terms of better initial fluidity, less slump loss, definite saturation point and less dosage at saturation point. in addition, good mineral admixture such as i class fly ash can obviously improve the workability of hbc concrete. moreover, hbc concrete exhibits more excellent workability under the condition of low w / c ratio, which indicates hbc is more suitable for making super high strength concrete whose w / c ratio is very low

    對高貝利特水泥高性能混凝土工作性能的研究結果表明，高貝利特水泥與高效減水劑具有良好的適應性，表現為初始流動度較大，經時損失較小，具有明顯的飽和點且飽和點摻量較小；此外，優質的礦物摻和料如一級粉煤灰能明顯改善hbc混凝土的工作性能；更為突出的是hbc混凝土在低水膠比的情況下表現出更為優異的工作性，這一特性預示著高貝利特水泥更適宜配製水膠比很低的超高強混凝土。
  2. By maintaining workability, but at a lower water content, concrete strength may be increased without the need for further cement addition.

    保持工作度不變，在低用水量時，不必增加水泥用量，混凝土的強度也能增加。
  3. The results prove that sra can improve the workability of hpc and promote effectively anti - cracking performance of concrete, without any negative effect on the mechanical property of concrete

    研究結果表明：減縮劑能夠改善高性能混凝土的工作性，對混凝土的力學性能無副作用，能夠有效地提高混凝土的抗裂性能。
  4. 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。
  5. According to the need for design and construction of prestressed reinforced concrete of jingzhou yangtze river highway bridge, c60 conctrete was mixed with superfine admixture and high workability agent, then it was speeding up construction progress for the bridge

    摘要根據荊州長江公路大橋預應力混凝土結構設計、施工要求，採用摻入超細摻和料和高能外加劑配製c60混凝土，長距離、大高度泵送混凝土，為大橋建設加快進度，確保質量起到了作用。
  6. We research the causes of concrete cracking, develop the high performance anti - cracking additive, optimize the concrete mix and construction techniques, increase the stability of concrete volume by shrinkage compensation, enhance splitting tensile strength, and can meet demand of high workability of fresh concrete. in the study, a thorough investigation of this problem is made from all points of view, with the aid of various modern measurement & testing technology and different theories & methods in surface physical chemistry, structural chemistry, solid - state chemistry, composite materials, fracture mechanics, etc. our research results have shown that the various shrinkage of concrete cause concrete cracking in building engineering, such as autogenous shrinkage, dry shrinkage, temperature shrinkage, plastic shrinkage, carbonized shrinkage, etc

    目前，解決混凝土開裂的方法是綜合的，我們調查研究了混凝土開裂的原因，開發研製了高性能抗裂外加劑，優化混凝土的設計和施工方法，並通過補償收縮達到混凝土體積穩定，提高抗裂強度，滿足混凝土拌和物高工作性能的要求。本研究採用多種測試技術，應用表面物理化學、結構化學、固體化學、復合材料學、斷裂力學等多學科的理論與方法，從不同的角度進行深入的研究和探討。通過調查研究建築工程中出現的混凝土開裂、滲漏問題，發現混凝土在非荷載作用下開裂主要是由混凝土的自收縮、乾燥收縮、溫度收縮、塑性收縮、碳化收縮等各種收縮變形引起的。
  7. 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。
  8. Because of its high strength, high workability, high volume stability and high anti - permeability, hsc ( high strength concrete ) has been widely used throughout the world as a new generation structure material. but due to its low ductility, seldom has it been used in the protective engineering

    高強混凝土具有高強度、高工作度、高體積穩定性、高抗滲性等優良性能，作為新一代建築材料在國際范圍內得到了廣泛應用，但是由於高強混凝土的延性較差，未能在防護工程中得到大量使用。
  9. Based on the principles of designs of self - compacting and light aggregate concrete mix, sclc of lc30 - lc50 was developed by using absolute volume method. the main factors affecting the workability of sclc were studied by adopting the modified l - 800 fluidity instrument. the results indicate that the key techniques insuring good workability of sclc are about 30 % first - grade fly ash, about 50 % volume sand ratio, 2 % ~ 6 % dosages of silicon fume and compounded superplasticicizers with viscous ingredient

    採用改進l - 800流動儀，研究了影響lc40自密實輕骨料高性能混凝土工作性的主要因素，結果表明：粉煤灰摻量保持30左右，硅灰摻量為2 6 ，體積砂率為50左右和摻加具有粘塑組分的復合高效減水劑是保證sclc拌合物具有較好工作性的關鍵。
  10. Abstract : based on the test, the workability and strength laws ofnon - vibrating concrete are discussed. the c50 and c60 non - vibrating concrete are developed and applied in the engineering

    文摘:運用正交試驗方法探討了免振搗混凝土工作性和強度的影響規律，配製出了c50和c60級免振搗混凝土並在工程中得到應用。
  11. Self - compacting concrete is a kind of concrete with low w / b ratio and good workability, which does not need to pug. it is a trend for both the researchers and the concrete engineer

    自密實混凝土是一種在較低水灰比條件下，不泌水，不離析，不需振搗或只需少量振搗即達到均勻密實的混凝土，是混凝土工程技術的一個重要發展方向，也是目前國內外學者研究的一個熱點。
  12. Mineral admixtures have unsuperseded advantages in improving the workability and durability of self - compacting concrete. the reasons of tendency of cracking in self - compacting concrete and the influence factors have been studied, and the new type of mineral admixture has been used in high performance self - compacting concrete, and its defects such as high slump - losing and shrinking or cracking is successfully prevented

    分析了免振搗混凝土容易產生收縮開裂的原因及其影響因素，將研製的新型礦物添加劑應用於免振搗高性能混凝土之中，解決了免振搗混凝土坍落度經時損失大、易產生收縮開裂等技術難題，配製出免振搗微膨脹高性能混凝土。
  13. The results of research work show that the values of sand rate, aggregate grading, paste content and mineral admixtures control the degree of tightness pile up and the workability of fresh concrete, furthermore, they determined the mechanics performance and the durability of self - compacting concrete

    研究表明，砂率、集料級配、水泥漿量、礦物摻合料等因素的取值決定了免振搗混凝土的緊密堆積程度及新拌混凝土的工作性能，從而進一步決定了免振搗混凝土的物理力學性能及耐久性能。
  14. 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。
  15. The result of macro - quality experiments show : mineral admixtures markedly slow the hydrating velocity of cement slurry, decrease and delay the hydrating max - temperature, in which steel slag is more effective ; expansive agents compensate concrete shrinkage, enhance the concrete dense degree, strengthen the interfacial layer between fiber and cement matrix and improve the physical mechanics qualities of acic ; minimal admixtures markedly improve the concrete workability property, increase the concrete later intensity & density and the capability of anti - chemical attack and anti - permeability ; hybrid fiber reinforces the toughness of obviously acic by the means of anti - cracking effect of fiber with different sizes and different properties in the corresponding construction levels

    實驗結果顯示：鋼渣摻合料能顯著減緩水泥漿體水化速率，降低砂漿的水化溫升並延遲最高溫升時間；補償混凝土收縮，提高混凝土密實度，加強纖維與水泥石的界面粘結，增強混凝土力學性能，但不能明顯改善混凝土韌性。混雜纖維通過纖維的不同尺度與不同性質在相應的結構層次上產生阻裂效應，增韌鋼渣防滲抗裂混凝土；增加混凝土的破壞極限能，極大提高混凝土抗彎曲能力和韌性指數，改善混凝土脆性。
  16. With mortar being separating matrix, from aspects of theories and test - methods of workability - design, separation mechanism of water - reducer for cement paste, relation between properties of interfacial zone and concrete durability etc, this work focused on sample index for durability evaluation, saturation dosage of water - reducer, test for rheological properties of mortar and test on concrete workability etc, achieved following main conclusions. 1

    本研究以砂漿為分散體系，對混凝土的工作性設計從理論到測試方法、從減水劑對水泥漿體的分散機理、從混凝土界面性能與耐久性的關系等不同角度，對砂漿流變性能的測試方法和混凝土工作性的測試、減水劑飽和摻量、耐久性簡要評價指標等方面進行了研究，得到以下主要結論。
  17. The concrete added organic water - reduce and plastic agent, called yj, would improve concrete workability, and reduce slump loss, decrease the exothermic rate at the early stage and postpone the arrival time of the highest temperature. lt is compatible to cement well, and had good retarding property, and some air - entrained effect

    81mpa提高到3 28mpa ； 28d抗壓強度比為135 ；拌和物工作性能優良。應用klfs ，成功配製出c50 c70復合抗裂防滲高性能混凝土，並在實際工程中得到應用。
  18. Abstract : by adding into concrete batch with greater proportion of active fine additive and pumping agent, reacted to the compound impact of the two substances, concrete workability, durability and strength could be improved. in addition, pumping - suitability of low strength concrete may be improved as well

    文摘:將大摻量活性細摻料和泵送劑加入混凝土拌合物中，兩者的復合作用下，可使混凝土的工作性、耐久性，強度得到改善，並提高低強混凝土的可泵性。
  19. For example, concrete durability - design relies mainly on complex special testes, e. g. thawing and freezing test and permeability resistance test etc. on theories and test methods of workability - design, testes for theological properties of concrete, workability evaluation, determination of optimum dosage of water - reducer etc - are all depend on experimental methods

    例如，在耐久性設計方面，依賴于專項復雜測試，如抗凍融試驗和抗滲試驗等；在工作性設計的理論和測試方面，混凝土流變性能的測試、工作性的評價、減水劑最佳摻量的確定等都沒有脫離經驗的方法。
  20. Analyzing the factors of concrete workability, mechanics quality, durability, cost, the key of mamufacturing lc - hpc are compatible of chemical admixture, stability of volume durability are pointed out, at the same time the principle and the technique route of lc - hpc is put forward

    通過對影響混凝土工作性、力學性能、耐久性、生產成本的因素分析，指出混凝土化學外加劑的兼容性、體積穩定性、耐侵蝕能力是lc - hpc配製的關鍵，提出了lc - hpc配製原則和技術路線。
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