compacting method 中文意思是什麼
-
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。 -
Subjecting to the bridge features, a light - type temporary footbridge and its erection method, a new wire strand hoisting system, a simplified wire compacting machine and a manual wrapping machine are also developed
根據本橋的特點，開發了輕型貓道及其架設施工方法、新型的索股架設系統、簡易緊纜機和手動纏絲機。 -
In this paper, the so preparing self - compacting concrete with low and middle strength using super fine mountain sand artifical sand and phosphorus slag is studied systemically. through the study the influence of the shape, the proportion of the dust and the grade of sand to the workability and the mechanical property of self - compacting concrete, it is found that super fine mountain sand artifical sand are not suit to prepare low and middle strength self - compacting concrete, but when they are combined and the additive and assistant band material are used, c20 - c40 high performance self - compacting concrete is prepared ; the corresponding additive is developed to solve the delamination caused by the low proportion of banding material ; the evaluating system for the workability of low and middle strength self - compacting concrete is built ; the controlling method for production, construction and curing was set up. and the result of the research is applied into several projects
通過分析特細山砂和機制砂的顆粒形態、粉末含量、顆粒級配等特性對自密實混凝土的工作性能和力學性能的影響，發現特細山砂、機制砂不宜單獨用於配製中低強度等級自密實混凝土，宜將特細山砂和機制砂進行合理復配，並選擇合適的外加劑和礦物摻合料，優化配合比設計，可生產c20 c40中低強度等級自密實高性能混凝土；研製開發出了具有高效減水、保塑、抗離析功能的外加劑，有效解決了中低強度等級自密實混凝土由於膠凝材料用量少而出現的離析、泌水問題；應用正交設計方法，對因素和水平進行合理選擇，確定了生產中低等級自密實混凝土的最優配合比；建立了中低強度等級自密實混凝土的工作性評價體系；提出了生產、施工及養護的質量控制技術方法。 -
In this paper, first discussed are the corresponding results in highway and dam constructions and the engineering characters of rock - fills are deeply analyzed, especially the relationships between gradation, strength and maximum dry density, long - term stability of fillers including earth - fillers and rock - fillers and some conclusions of use are drawn. by in - situ tests and researches on compacting mechanism of high - filled rock embankments, effecting factors on compaction, construction technology and shock compacting technology, obtained in this paper are the compacting technology of high - filled rock embankment and the optimal parameters of rolling compaction. by deeply research on the theory and methods of quality control of high - filled embankment, settled are the questions as quality detection method and control standard of high - filled rock embankment
本文首先總結和分析了國內外公路和壩工行業已有的相關成果，深入探討了填石料的工程性質與最大幹密度、長期穩定性等之間的關系，得到了一些有益的結論；通過現場試驗路堤的試驗和對高填石路堤壓實機理、填石路堤壓實效果影響因素、施工工藝和沖擊壓實技術等研究，解決高填石路堤壓實工藝和最優碾壓參數控制等技術問題；通過深入研究填石路堤壓實質量控制原理和方法，解決高填石路堤壓實質量檢測方法和控制標準技術難題；解決高填石路堤沉降觀測技術問題，並根據沉降觀測結果研究高填石路堤地基和路堤沉降變化規律，得到了能預測沉降變化規律的「龔帕斯」成長曲線預測模型；根據工程實際，深入研究了邊坡穩定性的影響因素，得到了有益的結論。 -
Based on the researches at home and abroad, aiming at the application of dynamic consolidation in compacting loess embankment, this paper makes assessments and analyses of the concerned factors and provides the laws of dynamic consolidation dealing with loess embankment according to the large - scale model test indoor ; combined with tonghuang highway construction, field tests of dynamic consolidation dealing with loess embankment is carried out in the representative loess - embankment experimental sites and some regularities of loess before and after handled by dynamic consolidation is put forward by physico - dynamic property experiments and electron - analysis ; at last, the author makes a systematic analysis of information related and presents the applicable condition, compacting technique and checking method which applies to dynamic consolidation dealing with loess embankment on the basis of field tests and model experiments indoor
本文在國內外資料調研基礎上，針對強夯法在黃土路堤壓實施工中的應用，對強夯處理黃土路堤的有關因素進行了評價分析，並通過室內大比尺模型試驗得出強夯壓實黃土路堤的規律；結合銅黃公路建設，選擇典型黃土路堤試驗段，進行了強夯壓實黃土路堤的各項現場試驗，通過物理力學性質試驗和電鏡分析得出強夯前後黃土料壓實體的有關規律；最後，在室內外各項試驗基礎上，對有關資料進行了匯總分析評價，提出了強夯處理黃土路堤的適用條件、施工工藝及檢測方法。 -
Fourthly, some construction measures that are used to decease the compacting effect are analyzed by use of finite element method. and the impact of construction measures such as prebored hole and groove that prevent the compacting effect is discussed
4 、利用有限元對減少靜壓樁擠土效應的施工措施進行了理論分析，討論了預鉆孔與防擠土槽等施工措施的防擠效果。 -
Finally, the application of the discrete element method with an interstitial fluid is discussed. for this purpose, a dynamic compacting process and a retaining wall problem are simulated by dem. it is shown that these problems can be qualitatively analyzed by dem
對存在填隙流體時離散元法的應用進行了初步探索，對塊石土強夯過程和擋土墻問題等進行了簡單的離散元模擬，可以看出採用存在填隙流體時球顆粒間的作用規律后，可以對一些問題定性分析。 -
Firstly, as a forward problem is solved for each iteration of ga reconstruction, calculating the electric field for a given distribution permitivity and driving source - this aspect will be treated with more detail. the thesis uses finite element method ( fem ) to solve it, because fem can conveniently handle inhomogeneous dielectric, converge well, and spare computing time by compacting the matrix
本文首先建立了介電成像的數學模型，採用有限元方法求解正問題，有限元方法的優點在於能方便地處理非均勻介質、具有良好的收斂性、可以壓縮系數矩陣而節省計算時間，這有利於應用遺傳演算法進行優化。
分享友人