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The Analysis on the Constructing Cost for Filling Subgrade in Aeolian Sand by the Method of Wet Compaction in Hunsnhandake Sandlot

Author: DingYuXin
Tutor: LiangHong
School: Inner Mongolia Agricultural University
Course: Forest Engineering
Keywords: Hunshandake Aeolian sediment characteristics Construction costs Coefficient of uniformity Coefficient of curvature
CLC: U416.1
Type: Master's thesis
Year: 2010
Downloads: 73
Quote: 1
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Abstract


With the desert region's economic development, the desert highway use continues to expand , the level of demand for desert highway continue to improve . Ours is a relatively wide range of national desertification areas , increasingly widespread desert highway construction , for which the fixed desert highway construction and construction cost control by the various departments and construction units attention. However, the current scale of highway construction in the desert that no unified national standards as well as China 's highway construction has been fixed can not be directly applied to the desert highway , so how to calculate the cost of desert highway construction in China has become the face of a desert highway big cost projections problems. In this paper, Xilin Gol League Sunitezuoqi ( referred Dongsuqi ) and Zhengxiangbaiqi Hunshandake built X-501 line within the day to Ulanqab Highway Siniora as the research object , with a lot of aeolian indoor test eolian sand sand embankment different sections of the process of construction time acquisition , based on the local aeolian sand embankment construction cost analysis. ( 1 ) by analyzing the aeolian sediment characteristics on Hunshandake aeolian sand Embankment construction cost impact , determine the selection coefficient of uniformity , coefficient of curvature , the optimum moisture content, maximum dry density and other indicators as the impact of aeolian sand embankment construction cost index . ( 2 ) the use of partial correlation analysis found Hunshandake aeolian sand Embankment construction of each of the steps : Sprinklers construction costs by optimal moisture content greater impact ; initial pressure uniformity coefficient is mainly affected by the construction costs and the most good moisture effects ; vibration pressure construction costs are mainly affected by the uniformity coefficient ; regulator construction costs by uniformity coefficient , coefficient of curvature , maximum dry density greater impact , by the best moisture content has little effect . ( 3 ) the use of regression analysis , the establishment of Hunshandake Aeolian Sand Embankment construction costs regression model to analyze the characteristics of aeolian sand on the construction costs. By verifying stated, these models can reflect Hunshandake aeolian sand Embankment construction costs index by aeolian Saudi influence variation .

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CLC: > Transportation > Road transport > Road works > Roadbed, pavement engineering > Subgrade
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