Study On Earthwork Balance Optimization Of Complex Terrain

Earthwork balance refers to the organization of earthwork,so that the required area within the planning area and the required fill in the amount of the basic equivalent to determine the venue to take,spoil work,is an important vertical planning The accuracy of the content and earthwork quantity is the key to the control and construction organization which directly affects the project cost.Compared with the traditional calculation method,the theoretical calculation method with higher accuracy is studied.The design of the vertical planning,the reduction of the project cost,A certain guiding significance.This paper chooses the Guangxi Baise Academy as an example to systematically divide the sub-regional,comprehensive elevation,earthwork calculation and earthwork in the earth balance project of mountainous development project.Through the optimized Kriging space interpolation method,Simulation method and Flying up to earthwork model,the total amount of excavation,the total fill volume and the net digging amount and the corresponding earthwork plan are compared and analyzed.The main research work and achievements are as follows:(1)In this paper,the general Kriging space interpolation method,the inverse distance weighted interpolation method,the double-distance interpolation method,the double-Linear interpolation method is used to compare the elevation values with the actual elevation values.The results show that the ordinary Kriging space interpolation method has the highest accuracy.(2)Based on the ordinary Kriging space interpolation method,the spherical fusion function curve and the exponential variation function fitting model curve are compared with the original height variation function fitting curve.The results show that the spherical variation function fitting curve model Fit accuracy is higher.(3)The optimized Kriging space interpolation method is compared with the uncorrected Kriging space interpolation method by using the optimized spatial network terrain and spherical variogram fitting curve model to optimize the Kriging weight.The results show that,Compared with the uncorrected Kriging space interpolation method,the optimized Kriging space interpolation method is more accurate.(4)Based on the BIM series of aerial earthwork calculation software,the numerical simulation of earthwork and Matlab numerical simulation of earthwork is compared.The earthwork value error is less than 5%,and the earthwork transfer scheme is similar.The result is consistent with the results.Lattice space interpolation method is more accurate.