concrete mix 中文意思是什麼
concrete mix
解釋
混凝土拌和物-
Shotcrete - rock bolt support and concrete lining are important parts of timbering structures in modern tunnel construction, and there are also essentials for natm. the intensity difference of concrete is big because of the big randomicity at the aspects of material, metage of additive, mix round, ratio of water and lime, spray construct and water maintain
由於噴射混凝土和二次襯砌在拌和料、外加速凝劑的稱量、拌勻以及水灰比的配比、在噴射作業及灑水養護上都存在著很大的隨機性，其強度的差異也較大。 -
Let's mix concrete, sand and stones.
把水泥、沙子和石子摻合在一起。 -
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。 -
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。 -
But some problems with self - compacting concrete such as high slump loss and the difficulty of harmonizing the cohesiveness and the flowability should be solved. the theory of concrete mix design should also be perfected. in accordance with these problems, this thesis carry out such research works as follows to deal with them
然而，免振搗混凝土特別是高強超高強免振搗混凝土坍落度損失大，粘聚性和流動性難以統一以及易產生收縮裂紋的問題亟待解決；免振搗混凝土的配比設計理論也需要進一步地加以完善。 -
On the concrete mix proportion design of the prestressed girder of shatang bridge
沙塘特大橋預應力梁混凝土配合比設計 -
Design of facing concrete mix proportion in hangpeng hydropower station
漢坪咀水電站面板混凝土配合比設計 -
Brief description of cement concrete mix designing and spot quantity controlling
水泥混凝土配合比設計及現場質量控制問題分析 -
Some conclusions are drawn as following through analysis and research : 1. through rectifying finest sand character and concrete mix ratio test, anti - split capability of structure concrete is strengthen ; 2. heighten ratio of fly ash in finest sand concrete is beneficial to temperature control of huge volume concrete
本文通過分析研究，得出以下成果: 1 .通過混凝土配合比試驗及特細砂混凝土改性研究，特細砂混凝土強度達到普通混凝土強度，且混凝土28天齡期極限拉應變為1 . 10xl0一4 ，高於普通混凝土29 . 4 % ，具有良好的抗裂性能。 -
Design of concrete mix
混凝土配合設計 -
Traditional concrete mix form have the setting type and forcing type by oneself
傳統的混凝土攪拌形式有自落式和強制式。 -
Approved concrete mix
認可混凝土拌合料 -
Wet concrete mix
混凝土濕拌 -
Measures for further developing concrete mix design were presented based on above work. for example, adopts pfca as an index in designing durability of concrete, uses mortar slump flow test to select cements and water - reducers and to measure saturation dosage of water - reducer in mortar and then determine optimum dosage of it in concrete, uses bar - slump test to determine stability and fluidity of fresh concrete, and consequently, the workability of high fluidity and high stability concrete such as pumped or self - compacting concrete can be designed by adopting proper cfvm determined in terms of rheological properties of designed mortar measured with cone - based rheometer
如採用粗集料破碎率作為耐久性設計的一個指標；採用砂漿坍落擴展度試驗選擇水泥和減水劑，確定砂漿中減水劑的飽和摻量，並通過上述數學模計算混凝土中減水劑的飽和摻量，以此為參照確定最佳摻量；採用障礙坍落度試驗確混凝土的穩定性和流動性，結合由漏斗式砂漿流變儀測定的砂漿流變性能確定合理的砂漿填充系數，從而實現對高流動性高穩定性要求的混凝土（如泵送和免振自密實等）的工作性設計。 -
This article incorporates with the practice for construction of mass concrete foundation structure of handan big world department store, according to the features in foundation structure design and the conditions of winter construction in this region, introduces micro - expansion concrete mix proportion design, pouring technology for mass concrete structure, the solution of the strengthen joint - strip and post - pouring joint strip in concrete foundation work, and temperature control for mass concrete
結合大世界商城底板大體積混凝土的施工實例，針對基礎結構的設計特點和當地冬季施工的氣候條件，介紹了補償性混凝土配合比設計、大體積混凝土澆築工藝、基礎混凝土加強帶和后澆帶施工工藝、底板混凝土溫度控制和自動化監測等多項綜合性技術。 -
Self - compacting light aggregate high performance concrete ( abbreviated sclc ) is a new type of hpc with the dry apparent density of less than 1950 kg / m3, which can be made by replacing ordinary aggregete with light aggregate and adopting a new design of concrete mix on the basis of ordinary self - compacting concrete
自密實輕骨料高性能混凝土（ sclc ）是在普通自密實混凝土的基礎上，用輕骨料代替普通骨料，採用一定配合比技術配製而成的一種干表觀密度小於1950kg m ~ 3的新型高性能混凝土。 -
Development of poly - acrylic series water - reducing agent ( wra ) was a modern frontier research project. the poly - acrylic wra was characteristic of lower additive, higher fluidiffication effect, and preventing concrete mix from slump - loss with time duration
聚丙烯酸系減水劑是當今混凝土高性能減水劑研究中較為前沿的研究課題，該類減水劑具有低摻量、高減水率、抑制坍落度經時損失等特點。 -
According to the viewpoint of prof. f. h. wittmann and the development trend of concrete science, the author has successfully combined the theory of fuzzy cluster analysis with the quality control work of rmc production by mathematical modeling, hi actual work, there are some differences of concrete mix proportion and concrete performance index between the standard sample that is accord with all demands of hpc and differential sample that is mainly accord with demands of mix design by comparing and clustering. therefore, rmc is up to the standard of hpc after adjusting these differences
本文正是基於上述指導思想和混凝土材料科學的發展趨勢，把模糊聚類的分析理論和混凝土質量控制工作中存在的問題，通過建立數學模型將二者有效地結合起來，其目的及意義是：在實際工作中，將基本符合設計要求的若干組混凝土配合比數據、性能指標數據，與經過工程實際檢驗、符合高性能混凝土各項指標要求的混凝土進行比較、歸類，找出差異，調整參數，實現混凝土生產的高性能化。 -
Concrete mix ratio
混凝土配合比38 -
Concrete mix design includes workability - design, strength - design and durability - design
混凝土配合比設計包括工作性設計、強度設計和耐久性設計。
分享友人