本文選題：浮船塢 + 系泊裝置��； 參考：《大連理工大學(xué)》2014年碩士論文

【摘要】：浮船塢是一種用于船舶修造的工程船舶,它不僅可用于修造船舶,還可用于打撈沉船,運送深水船舶通過淺水航道等。建造浮船塢的最初目的和干船塢一樣,是為了檢修船舶的水下部分、推進(jìn)器和舵等。同時也可對船體的水上部分、船舶機(jī)械和裝置等進(jìn)行維修保養(yǎng)。 為了保證浮船塢泊碇狀態(tài)下遭受水流力、風(fēng)力和波浪力影響時能夠正常而安全地運營,必須為其設(shè)置系泊裝置。浮船塢的泊碇形式主要有兩種：錨泊泊碇方式和抱樁泊碇方式。與錨泊泊碇相比,抱樁泊碇具有對周圍水域沒有影響,浮船塢的平面位置不會變動,便于岸塢之間設(shè)備運送等優(yōu)點,可適用于波浪載荷相對較小的水域。浮船塢抱樁泊碇裝置由導(dǎo)柱和卡環(huán)兩部分組成,導(dǎo)柱和卡環(huán)之間的配合關(guān)系使得導(dǎo)柱結(jié)構(gòu)尺寸大小直接影響卡環(huán)結(jié)構(gòu)的設(shè)計,因此,對導(dǎo)柱結(jié)構(gòu)的設(shè)計及其優(yōu)化就顯得格外重要。 本論文以某八萬噸浮船塢的抱樁系泊裝置結(jié)構(gòu)設(shè)計為例,利用有限元分析軟件,計算抱樁系泊裝置在浮船塢最大沉深、最大受力以及最小吃水三個工況下遭受外力作用時,浮船塢塢體和抱樁系泊裝置的應(yīng)力及變形大小,驗證了多套設(shè)計方案的結(jié)構(gòu)強度能否滿足規(guī)范的要求,并結(jié)合參數(shù)化建模方法和結(jié)構(gòu)優(yōu)化理論,對較優(yōu)的結(jié)構(gòu)設(shè)計方案進(jìn)一步優(yōu)化,得到最佳設(shè)計方案。 通過對導(dǎo)柱結(jié)構(gòu)優(yōu)化計算結(jié)果的分析,得出在導(dǎo)柱結(jié)構(gòu)設(shè)計時,其結(jié)構(gòu)尺寸應(yīng)選取較小的直徑和較大的外板板厚的方案,這樣既能降低自身結(jié)構(gòu)的重量,又減小了卡環(huán)的尺寸大小,降低了卡環(huán)結(jié)構(gòu)的重量,使得抱樁泊碇裝置整體結(jié)構(gòu)重量下降。從初始的結(jié)構(gòu)設(shè)計到結(jié)構(gòu)優(yōu)化設(shè)計,以及確定最終設(shè)計方案的整個過程對今后浮船塢抱樁泊碇裝置的設(shè)計和建造工作具有一定的指導(dǎo)作用和參考意義。
[Abstract]:Floating dock is a kind of engineering ship used for ship repair. It can not only be used to build ship, but also can be used to salvage sunken ship, transport deep-water ship through shallow water channel and so on. Floating docks were originally built to overhaul the underwater parts of the ship, propellers, rudders, and so on, just as dry docks. At the same time, the hull of the water part, ship machinery and equipment to carry out maintenance. In order to ensure the normal and safe operation of floating dock under the influence of current force, wind force and wave force, mooring devices must be set up for it. There are two types of mooring in floating dock: mooring and piling. Compared with Anchorage, pile-holding Anchorage has no influence on the surrounding waters, the plane position of floating dock will not change, and it is convenient to transport equipment between docks. It can be used in waters where the wave load is relatively small. The pile-holding Anchorage device of floating dock consists of two parts: the guide post and the clamping ring. The size of the guide post structure has a direct impact on the design of the clasp structure because of the matching relationship between the guide post and the clamping ring. It is very important to design and optimize the guide column structure. In this paper, taking the structural design of the pile-holding mooring device of a certain 80,000 ton floating dock as an example, using the finite element analysis software, the external force acting on the pile-holding mooring device under the three working conditions of the maximum depth, the maximum force and the minimum draught of the floating dock is calculated. The stress and deformation of floating dock body and mooring device with piles are verified whether the structural strength of many sets of design schemes can meet the requirements of the code, and the parameterized modeling method and structural optimization theory are combined. The optimal design scheme is obtained by further optimization of the better structural design scheme. Through the analysis of the optimum calculation results of the guide column structure, it is concluded that in the design of the guide column structure, the scheme of smaller diameter and larger outer plate thickness should be selected in the design of the guide column structure, which can not only reduce the weight of its own structure, but also reduce the weight of the structure. The size of the clamping ring is also reduced, and the weight of the clamping ring structure is reduced, which results in the decrease of the overall structure weight of the pile-holding Anchorage device. The whole process from the initial structural design to the structural optimization design and the determination of the final design scheme have a certain guiding role and reference significance for the design and construction of the pile-holding Anchorage device in the floating dock in the future.
【學(xué)位授予單位】：大連理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：U673.332

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