Vibratory parameters and vibratory compacting mechanism of eolian sand 風(fēng)積沙振動(dòng)參數(shù)及振動(dòng)壓實(shí)機(jī)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(shí)機(jī)構(gòu)動(dòng)態(tài)特性力學(xué)模型,利用計(jì)算機(jī)仿真,研究了熨平壓實(shí)機(jī)構(gòu)的動(dòng)力學(xué)問題,分析了熨平壓實(shí)機(jī)構(gòu)動(dòng)力學(xué)參數(shù)變化對該系統(tǒng)動(dòng)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(jié)和分析了國內(nèi)外公路和壩工行業(yè)已有的相關(guān)成果,深入探討了填石料的工程性質(zhì)與最大干密度、長期穩(wěn)定性等之間的關(guān)系,得到了一些有益的結(jié)論;通過現(xiàn)場試驗(yàn)路堤的試驗(yàn)和對高填石路堤壓實(shí)機(jī)理、填石路堤壓實(shí)效果影響因素、施工工藝和沖擊壓實(shí)技術(shù)等研究,解決高填石路堤壓實(shí)工藝和最優(yōu)碾壓參數(shù)控制等技術(shù)問題;通過深入研究填石路堤壓實(shí)質(zhì)量控制原理和方法,解決高填石路堤壓實(shí)質(zhì)量檢測方法和控制標(biāo)準(zhǔn)技術(shù)難題;解決高填石路堤沉降觀測技術(shù)問題,并根據(jù)沉降觀測結(jié)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(yù)測沉降變化規(guī)律的“龔帕斯”成長曲線預(yù)測模型;根據(jù)工程實(shí)際,深入研究了邊坡穩(wěn)定性的影響因素,得到了有益的結(jié)論。