design of concrete mix 中文意思是什麼
design of concrete mix
解釋
混凝土配合設計-
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。 -
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。 -
Concerning with the practical condition of commercial concrete station in shandong province, and mainly taking the slag concrete as the study object, which is used over the whole country at present, the paper conducts the design of mix ratio of concrete by orthogonal test
結合山東省內商品混凝土攪拌站的實際情況，主要以礦渣混凝土為研究時象，通過正交試驗的方式，對礦渣凝土的配合比進行設計。 -
Reduction crack in the pumping transfer concrete during the megathermal climateit is a diffcult problem. the unit undertaking project of no : 4 pump station for diverting water from the south to the north make a beneficial explore form the design of mix proportionging, control and the concret placing temperature to control the crack extension those experience can be referenced by the unit in charge of large scale pumping station project
摘要高溫季節泵送混凝土裂縫控制的當前工程界一個難題，南水北調淮安四站工程建設中，建設單位科學安排、精心施工，從控制混凝土配合比、入倉溫度等多方面著手，對混凝土裂縫控制技術進行了有益的探索，並取得了預期的效果，為混凝土抗裂技術積累了經驗，對同類型泵站的施工具有重要的參考意義。 -
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 -
Specification for mix proportion design of ordinary concrete
普通混凝土配合比設計規程 -
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 -
With the prerequisite of meeting requirement of its working performance, the mix design of common grades can be concluded though strength test if we check various property of the said concrete with the certain mix design, such as compressive strength, tensile strength, elastic modulus, reinforcement wrapping strength, leakage resistance, shrink property and charring resistance, and compare them with property of ordinary concrete, we will find that the various dynamic property of self - densifying high performance concrete is very satisfactory and the durability is quite ideal
在滿足自密實高性能混凝土工作性能的前提下，通過強度試驗得出常用強度等級混凝土的配合比，檢測該配合比下的自密實高性能混凝土的抗壓強度、劈裂抗拉強度、彈性模量、鋼筋握裹力性能、抗滲性、收縮性、抗炭化性等性能，以及各種性能與普通混凝土的比較，驗證自密實高性能混凝土硬化后的各方面力學性能是完全能夠符合要求的，並且具有較高的耐久性。 -
With reference to the 3rd jianghan bridge in wuhan, qingganhe river bridge in zigui, hubei and meixihe river bridge in fengjie, this paper describes the design requirements for mix proportioning of pumped concrete for arch bridges of concrete - filled steel pipes, selection of all kinds of materials, compatibility tests and determination of both laboratory and construction mix proportioning
摘要以武漢江漢三橋、湖北秭歸青干河大橋、奉節梅溪河大橋為例，介紹鋼管拱泵送混凝土配合比的設計要求，各種原材料的選擇及相容性試驗，試驗室配合比和施工配合比的確定。 -
Design of concrete mix
混凝土配合設計 -
Through the choice of pile - cap concrete ' s raw material and the mix optimization design, it is concluded that the mix design of mass concrete not only satisfy all the design requirements, but also attain the anti - crack concrete
實例證實：通過對大體積混凝土的原材料選擇和配合比的優化設計，不僅能保證大體積混凝土的設計要求，也實現了大體積混凝土防裂的目標。 -
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。 -
As a result, in this paper two respects of self - compacting concrete have been studied as follow : ( dthe study of mix design of c50 - c60 grade self - compacting concrete was done
本文採用福建省粉煤灰等地方材料進行以下兩方面研究： （ 1 ） c50 - c60自密實高性能混凝土配合比的試驗研究。 -
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。 -
Study on optimization design method for mix of impervious structure of pouring asphalt concrete
土石壩瀝青防滲技術的應用和發展 -
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。 -
Characteristics of hot mix asphalt concrete to be considered in design
熱拌瀝青混合料在設計與施工中應考慮的特性 -
It includes the selection of raw materials, mix proportion design of concrete, test method and procedure, as well as test result
但是，高強度大摻量粉煤灰混凝土的研製存在難題。 -
The outcome of this paper can be used in determining the effect of water reducer, and lays the foundation for the prediction of concrete slump and the mix proportion design of higher volume - stability concrete
該關系可用於高效減水劑減水率的測定，同時也可為混凝土坍落度的預測及高體積穩定性混凝土配合比設計方法的研究奠定基礎。
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