強(qiáng)夯沖擊在紅砂巖土中的作用效用與能量消耗研究

1、分類號(hào)：密級(jí)：學(xué)號(hào)：6120100205單位代碼：10407碩士學(xué)位論文論文題目:強(qiáng)夯強(qiáng)夯沖擊在紅砂巖土中的作用效用與沖擊在紅砂巖土中的作用效用與能量消耗研究能量消耗研究研究方向地基處理地基處理專業(yè)名稱巖土工程巖土工程研究生姓名劉浩然劉浩然導(dǎo)師姓名、職稱楊建永楊建永教授教授2012012012013333年06060606月02020202日江西贛州IIAbstractAbstractAbstractAbstractRedsstonei

2、swidelydistributedinourcountryusedfbackfillfoundation.Impactloadhavebeenwidelyusedinfoundationreinfcement.Researchingoftheeffectsofactionsundertheimpactloadisbackwardinredsstonesoils.Inarticleredsstonesoilsiscompactedbyc

3、ompactiontestapparatuswhichhadbeenretrofittedresearchtheeffectsofactionsreinfcementeffecttransferrulethatcomeoutwhenimpactloadaffectontheredsstonesoils.Getthefollowingmainconclusions:(2)Researchreinfcementeffectofthesoil

4、foundationunderdynamiccompactionconstructionsimulatedavarietyoftampingpointsdistances.Changethetampingpointintervalwillnotaffecttheimpactcompactioneffect.whentheeffectivelateralextrusioneffectstillwkontheredsstonesoils.T

5、henumberofTampingpointsperunitareadecreasethatmeansShtenthetimethatbeusedinaimingattampingpoints.therefeitcansaveconstructioncost.Whenincreasingtampingpointsdistances(2)Increasingthelaphammersealareacannottakeeffectonimp

6、rovingfulltampingsoilconsolidationeffect.Whiledecreasingthelaphammersealareacanheightenthedepthoffullramthesurfaceground’stampingeffectoframremainunchanged.Italsocansavealotinputofmanpowermaterialresourcesintheconstructi

7、on.(3)Fluctuationofcoefficientofnonunifmityisaroundtheinitialofcoefficientofnonunifmity.internalFollowingthechangeoftheparticlebreakagefrictionangleisthatatfirstincreasingthendecreasingatlastbutchangeofthesoilcompression

8、modulusisthatincreasingaitfirstkeepthesametothelast.TheresearchedresultisthatInconstructionofbackfillsoilgraincompositionshouldbemixedingoodconditionindertoassurethestrengthstabilitylowcompressibilityofthesoils.decreasin

9、gtheinternalfrictionanglecanreducesoilshearstrength.Theresultsofthosestudyhasthesignificanceoftheypracticeonenrichingthelogicofimpactloadconsolidatingsubsoil.Guidingthepracticeimpactloadconsolidatingsubsoiloptimizingthef