Vibratory parameters and vibratory compacting mechanism of eolian sand 風積沙振動參數(shù)及振動壓實機理
Based on a dynamic model of the vibrator compacting mechanism the influences of parameters changes on the dynamic characteristics of the system were simulated and analyzed 建立熨平壓實機構動態(tài)特性力學模型,利用計算機仿真,研究了熨平壓實機構的動力學問題,分析了熨平壓實機構動力學參數(shù)變化對該系統(tǒng)動態(tài)特性的影響。
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(yè)已有的相關成果,深入探討了填石料的工程性質與最大干密度、長期穩(wěn)定性等之間的關系,得到了一些有益的結論;通過現(xiàn)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(yōu)碾壓參數(shù)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,并根據(jù)沉降觀測結果研究高填石路堤地基和路堤沉降變化規(guī)律,得到了能預測沉降變化規(guī)律的“龔帕斯”成長曲線預測模型;根據(jù)工程實際,深入研究了邊坡穩(wěn)定性的影響因素,得到了有益的結論。