綜合樓施工深基坑變形多點(diǎn)視覺(jué)監(jiān)測(cè)
Multi Point Visual Monitoring of Deformation in DeepFoundation PitsDuring theConstructionof Comprehensive Buildings
PENG Fangyuan
(BUCG REAL ESTATE Co.,Ltd.,Beijing 100081,China)
Abstract:Amulti-pointvisualmonitoringmethodfordeformationofdepfoundationpitsincomprehensivebuildingconstructiois proposedwiththeaiofensuringconstructionsafety.Takingadepfoundationpitprojectofacomprehensivebuildingconstructionproject tobetestedasteresearchtarget,measuringpointsaresetuparoundiandimagesensorsaredeploedtocolctelevantimagsofthe topofthedeepfoundationpitsupprtpile,surroundingoads,pipelines,etc.Thethree-dimensionaldeepfoundationpitimageis reconstructed using the bounding box method.The rough K- meansclustering algorithm isused to calculate the range and center of the targetpoints.Thedefomationdisplacementvalueoftheeepfoundationpitisobtaindbycomparingthediferencebetweeteoriginal imageandthemonitoringimage'slandmarkpoints,Constructmonitoringdatasamplesusingthedisplacementchangesoflandmarkpoints intheobtaineddeepfoundationpitimages,andoutputdeformationpredictionresultsofdepfoundationpitsthroughtraininganRBF neuralnetwork.Theexperimentalresultsshowthatthismethodcanefectivelymonitorthedeformationofdeepfoundationpits;The maximumdeformationoftheroadselementaroundthedeepfoundationpitisabout15.12mm,whichhasnotreachedthealarmvalueof 40mm;The reinforcementstructure of the enclosurecan efectively constrain the deformation of deep foundation pits.
Keywords:softsoilarea;complexenvironmentalconditions;commercialcomplexbuilding;constructionworks;deepfoundationpit deformation;multi-point visual monitoring
0引言
隨著當(dāng)前城市的不斷發(fā)展,針對(duì)地下空間方面的開(kāi)發(fā)也不斷深入,隨之而來(lái)的復(fù)雜環(huán)境條件下深基坑施工問(wèn)題也層出不窮[1-3]。(剩余6276字)