湖南省普通干線公路路面養(yǎng)護維修預(yù)測與決策技術(shù)研究
發(fā)布時間：2018-08-07 07:14
【摘要】：隨著湖南省普通干線公路事業(yè)的快速發(fā)展以及大規(guī)模的干線公路大中修建設(shè),普通干線公路路網(wǎng)結(jié)構(gòu)日趨合理。隨著養(yǎng)護里程的增加,公路管理部門的養(yǎng)護壓力日益增大,路面養(yǎng)護對維修決策提出了更高的要求。但由于湖南省部分普通干線公路修建年代久遠,養(yǎng)護歷史復(fù)雜,路面結(jié)構(gòu)類型多樣,對管理者進行科學(xué)決策造成了嚴重干擾。因此,為了進一步準確預(yù)測路面使用性能,確定適宜的干線公路大中修時機和路段,本文擬開展湖南省普通干線公路路面養(yǎng)護維修預(yù)測與決策技術(shù)研究,主要研究成果如下：(1)在全省范圍內(nèi)選取了地跨若干個市州轄區(qū),且具有典型代表性的幾條普通干線公路進行病害調(diào)查分析,總結(jié)歸納各類病害的分布特點,并結(jié)合湖南省養(yǎng)護實際分析了典型病害成因。(2)考慮到湖南省普通干線公路的線性分布廣、路面破壞機理復(fù)雜、病害程度不一等特點,為克服傳統(tǒng)的基于專家經(jīng)驗劃分路段的局限性,本文引入模糊數(shù)學(xué)理論應(yīng)用于聚類,并選取路面結(jié)構(gòu)強度、平整度、抗滑性能以及路面破損作為統(tǒng)計指標,對養(yǎng)護路段進行模糊聚類劃分,實現(xiàn)了養(yǎng)護路段劃分的科學(xué)準確性。(3)選取了能切合湖南省普通干線公里養(yǎng)護實際的路面使用性能衰變預(yù)測模型。考慮到干線公路養(yǎng)護歷史數(shù)據(jù)不足的實際情況,分別對預(yù)測模型中的參數(shù)α和β進行了修正。對α值進行修正時,考慮路面彎沉影響下的路面使用性能衰變,進行相關(guān)公式的推導(dǎo),由推導(dǎo)分析結(jié)果修正α值；對β值的修正則采用自適應(yīng)跟蹤法進行修正。最后,將修正前與修正后的路面使用性能衰變曲線與路面性能實際衰變曲線進行比對分析,驗證參數(shù)修正方法的可行性。(4)優(yōu)化了普通干線公路路面破損狀況評價指標,提出了用以判定路面大中修時機的三個指標：路面裂縫率、路面修補率、路面結(jié)構(gòu)強度,建立了各單項指標的評價標準,并引入三角白化權(quán)函數(shù)對具體的路段進行聚類評估,根據(jù)聚類評估結(jié)果最終確定擬實施大中修措施的路段。
[Abstract]:With the rapid development of the common trunk highway in Hunan Province and the large-scale construction of the trunk highway, the network structure of the general trunk highway is becoming more and more reasonable. With the increase of maintenance mileage, the maintenance pressure of highway management department is increasing day by day. However, the construction of some ordinary trunk roads in Hunan Province is old, the maintenance history is complex, and the pavement structure types are various, which has caused serious interference to the scientific decision-making of the managers. Therefore, in order to further accurately predict the pavement performance and determine the appropriate opportunity and section of the trunk highway maintenance and repair, this paper intends to carry out the research on the maintenance, prediction and decision-making technology of the general trunk highway pavement in Hunan Province. The main research results are as follows: (1) in the whole province, several common trunk highways, which span a number of cities and prefectures, are selected for disease investigation and analysis, and the distribution characteristics of various kinds of diseases are summarized and summarized. Combined with the maintenance practice in Hunan Province, the causes of typical diseases are analyzed. (2) considering the wide linear distribution of the ordinary trunk highway in Hunan Province, the pavement failure mechanism is complex, and the degree of disease is different, etc. In order to overcome the limitation of traditional road division based on expert experience, this paper introduces fuzzy mathematics theory to cluster, and selects pavement structure strength, smoothness, skid resistance and pavement breakage as statistical indexes. The fuzzy clustering classification of the maintenance section is carried out, and the scientific accuracy of the division is realized. (3) the decay prediction model of the pavement performance is selected which can meet the maintenance practice of the ordinary trunk line in Hunan Province. In view of the fact that the historical data of trunk highway maintenance is insufficient, the parameters 偽 and 尾 in the prediction model are revised respectively. When the 偽 value is corrected, the decay of pavement performance under the influence of pavement deflection is taken into account, and the relevant formulas are derived, and the 偽 value is revised by the result of derivation and analysis, and the correction of 尾 value is modified by adaptive tracking method. Finally, the decay curve of pavement performance before and after modification is compared with the actual decay curve of pavement performance, and the feasibility of the method is verified. (4) the evaluation index of pavement damage condition of common trunk highway is optimized. This paper puts forward three indexes to judge the opportunity of pavement overhaul: pavement crack rate, pavement repair rate, pavement structure strength, establishes the evaluation standard of each single index, and introduces triangle whitening weight function to evaluate the specific road sections. According to the results of cluster evaluation, the road sections to be implemented for major and medium repair are finally determined.
【學(xué)位授予單位】：長沙理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：U418.6
，
本文編號：2169274
[Abstract]:With the rapid development of the common trunk highway in Hunan Province and the large-scale construction of the trunk highway, the network structure of the general trunk highway is becoming more and more reasonable. With the increase of maintenance mileage, the maintenance pressure of highway management department is increasing day by day. However, the construction of some ordinary trunk roads in Hunan Province is old, the maintenance history is complex, and the pavement structure types are various, which has caused serious interference to the scientific decision-making of the managers. Therefore, in order to further accurately predict the pavement performance and determine the appropriate opportunity and section of the trunk highway maintenance and repair, this paper intends to carry out the research on the maintenance, prediction and decision-making technology of the general trunk highway pavement in Hunan Province. The main research results are as follows: (1) in the whole province, several common trunk highways, which span a number of cities and prefectures, are selected for disease investigation and analysis, and the distribution characteristics of various kinds of diseases are summarized and summarized. Combined with the maintenance practice in Hunan Province, the causes of typical diseases are analyzed. (2) considering the wide linear distribution of the ordinary trunk highway in Hunan Province, the pavement failure mechanism is complex, and the degree of disease is different, etc. In order to overcome the limitation of traditional road division based on expert experience, this paper introduces fuzzy mathematics theory to cluster, and selects pavement structure strength, smoothness, skid resistance and pavement breakage as statistical indexes. The fuzzy clustering classification of the maintenance section is carried out, and the scientific accuracy of the division is realized. (3) the decay prediction model of the pavement performance is selected which can meet the maintenance practice of the ordinary trunk line in Hunan Province. In view of the fact that the historical data of trunk highway maintenance is insufficient, the parameters 偽 and 尾 in the prediction model are revised respectively. When the 偽 value is corrected, the decay of pavement performance under the influence of pavement deflection is taken into account, and the relevant formulas are derived, and the 偽 value is revised by the result of derivation and analysis, and the correction of 尾 value is modified by adaptive tracking method. Finally, the decay curve of pavement performance before and after modification is compared with the actual decay curve of pavement performance, and the feasibility of the method is verified. (4) the evaluation index of pavement damage condition of common trunk highway is optimized. This paper puts forward three indexes to judge the opportunity of pavement overhaul: pavement crack rate, pavement repair rate, pavement structure strength, establishes the evaluation standard of each single index, and introduces triangle whitening weight function to evaluate the specific road sections. According to the results of cluster evaluation, the road sections to be implemented for major and medium repair are finally determined.
【學(xué)位授予單位】：長沙理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：U418.6
，
本文編號：2169274
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