本文選題：長江干線 + 江海直達�。� 參考：《武漢理工大學(xué)》2012年碩士論文

【摘要】：長江干線自西向東連接我國七省二市,是我國內(nèi)河水運的主要通道,干散貨運輸更是對我國沿江經(jīng)濟的發(fā)展起著重要作用。近年來,隨著長江流域和沿海地區(qū)經(jīng)濟的發(fā)展,兩者之間的物資交流日趨頻繁,貨物的進出口量也大大增加。在這樣的市場環(huán)境下,江海直達船舶的需求量正逐步增加。目前,長江水運的主要江海直達貨種是鐵礦石。縱觀我國的產(chǎn)業(yè)分布圖,不難發(fā)現(xiàn),長江沿線分布著我國36%的鋼鐵產(chǎn)業(yè),其中70%以上鐵礦石需從北侖港轉(zhuǎn)運至沿江各鋼鐵企業(yè),僅重慶港的鐵礦石年進口量就超過470萬噸。目前,江海直達船舶在長江上航行的主要問題是長江上、中、下游航道條件存在很大差異,而且相同航段在不同的季節(jié)航道水深情況也有很大差異。其次,三峽大壩完工以后,長江上游的通航條件發(fā)生了很大的變化,在不同的季節(jié),庫區(qū)航段和自然航段的分段位置也不同。在這樣復(fù)雜的通航環(huán)境下,江海直達船舶在航行過程中的載貨量會隨著航道條件的變化而改變,這一情況使得江海直達船舶在航行途中會出現(xiàn)貨物的轉(zhuǎn)載。因此,選擇合理的轉(zhuǎn)載模式并對其進行優(yōu)化,對降低貨運成本,提高船舶的經(jīng)濟效益有著重要的意義。 本文首先闡述了研究的目的及意義；然后從貨源、航道條件、港口條件三個方面對長江干線江海直達運輸環(huán)境做了分析；接著對長江干線江海貨運模式進行了分析,闡述了目前幾種主要江海貨運模式的優(yōu)缺點。針對江海直達船舶因受限于長江中上游航段航道條件,而影響運輸效益最大化的問題,結(jié)合目前長江中游航段的過駁轉(zhuǎn)載模式,重點研究江海直達船舶和內(nèi)河船舶組成的船隊以“母子船”的形式進行運輸?shù)慕Ｖ边_貨運轉(zhuǎn)載模式。根據(jù)長江干線航道條件隨季節(jié)、航段變化大的特點,建立了長江干線江海直達轉(zhuǎn)載模式優(yōu)化模型并給出了求解方法；通過實例應(yīng)用,分不同的季節(jié)和不同的中轉(zhuǎn)點對優(yōu)化模型進行求解,對比分析得出了各個季節(jié)的優(yōu)化配船方案。
[Abstract]:The main line of Yangtze River connects seven provinces and two cities from west to east, which is the main passage of inland waterway in China, and the dry bulk transportation plays an important role in the development of economy along the Yangtze River. In recent years, with the economic development of the Yangtze River Basin and coastal areas, the exchange of goods between the two is becoming more and more frequent, and the import and export of goods are also increasing greatly. In such a market environment, the demand for sea-to-sea direct ships is gradually increasing. At present, the main river and sea direct transport of the Yangtze River is iron ore. It is not difficult to find that 36% of China's iron and steel industry is distributed along the Yangtze River, of which more than 70% of iron ore needs to be transferred from Beilun Port to all iron and steel enterprises along the Yangtze River. The annual import of iron ore in Chongqing Port alone exceeds 4.7 million tons. At present, the main problem of river and sea direct ships sailing on the Yangtze River is that there are great differences in the channel conditions of the upper, middle and lower reaches of the Yangtze River, and there are also great differences in the water depth of the same section in different seasons. Secondly, after the completion of the three Gorges Dam, the navigation conditions of the upper reaches of the Yangtze River have changed greatly. In different seasons, the section positions of the navigation section and the natural section of the reservoir area are also different. In such a complicated navigable environment, the carrying capacity of sea and river direct ships in the course of navigation will change with the change of waterway conditions, which makes the sea and river direct ships carry goods in the course of navigation. Therefore, it is of great significance to select a reasonable reprint mode and optimize it to reduce the freight cost and improve the economic benefits of the ship. In this paper, the purpose and significance of the research are first expounded, then the direct transportation environment of the Yangtze River is analyzed from three aspects: the source of goods, the condition of the channel and the condition of the port; and then the model of the river and sea freight transport along the main line of the Yangtze River is analyzed. This paper expounds the advantages and disadvantages of several main river and sea freight modes at present. In view of the problem that the river and sea direct vessels are restricted by the channel conditions of the upper and middle reaches of the Yangtze River and thus affect the maximum transport benefit, the paper combines the current mode of over-barge reloading in the middle reaches of the Yangtze River. This paper mainly studies the transport mode of river and sea direct freight by "mother ship" and inland river ship fleet in the form of "mother and son". According to the characteristics that the channel conditions of the main Yangtze River vary greatly with the seasons, the optimization model of the direct transfer mode of the Yangtze River is established and the solution method is given. The optimization model is solved by different seasons and different transfer points.
【學(xué)位授予單位】：武漢理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2012
【分類號】：F552

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本文編號：1932203