三维激光扫描技术在复杂地形土方量计算中的应用

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中图分类号：P258 文献标志码：A 文章编号：2095-2945（2025）27-0080-04

Abstract：Aimingatthecomplexterrincharacteristicsofalarge-scaleearthworksarea，thisstudydiscussestheapplication of3Dlaserscanning technologyinearthworksvolumecalculation.Traditionalmeasurementmethods，suchassatelitepositioning andtotal stationmeasurement，arediffculttomettherequirementsforefcientandaccuratemeasurementduetoproblemssuch assparsemeasurementpoints，limiteddataaccuracy，longoperatingtimeandcomplexoperatingenvironment.Inorderto overcometheselimitationsthisstudyusesathree-dimensionallaserscannerfordatacolection，andusesprofessonalsoftwareto processpointclouddata，includingpointcloudregistration，fileringandthree-dimensionalmodeling，toimprovemeasurement accuracyandefciency.Theresearchresultsshowthatcomparedwith traditionalsatelitepositioningandmeasurementmethods， three-dimensionallaserscanningtechnologycanquicklyobtainhigh-densitypointclouddata，significantlyimprovemeasurement accuracy，reducefieldoperationtime，andimprovethedegreeofautomationofdataprocessing.Ultimately，athree-dimensional terrinmodelbuiltbasedonpointcouddatacanmoreaccuratelycalculatethevolumeofearthandprovidereliablesupport for engineering planning and construction decisions.

Keywords： 3Dlaser scanning;point cloud data; earthworks calculation; engineering survey;complex terrain

土方量计算是土木工程、矿山开发、环境治理等领域中的核心任务，直接影响项目的规划、施工和成本控制。（剩余4012字）