本文選題：干旱區(qū)　切入點：平原水庫　出處：《新疆農(nóng)業(yè)大學》2014年碩士論文　論文類型：學位論文

【摘要】：干旱區(qū)平原水庫的利用率一般在45%左右，例如在新疆，平原水庫每年損失的水量約34.1×108m3，如果通過防滲與防蒸發(fā)措施，，把這部分水節(jié)約下來，將會產(chǎn)生巨大的經(jīng)濟效益和社會效益。本課題針對內(nèi)陸干旱區(qū)平原水庫水面無效蒸發(fā)損失量大的問題，尋找和研發(fā)了耐久彩鋼夾芯板、苯板復(fù)合隔墻板、加筋復(fù)合浮板以及碳纖維加固復(fù)合浮板等材料，通過使其漂浮于水面之上的工程措施來防止或減少庫區(qū)水面蒸發(fā)損失，從而大大地節(jié)省水量。研究結(jié)果表明: （1）彩鋼夾芯板質(zhì)輕，不親水，且耐酸堿性強。可抵御6級及6級以下風力的破壞，在遇6級以上風力時，浮板出現(xiàn)彎折破壞，且由于密度小容易被風浪刮離水面。長期試驗發(fā)現(xiàn)面層鍍鋅鋼板大面積與內(nèi)層夾芯苯板脫落，導(dǎo)致材料失敗。 （2）苯板復(fù)合隔墻板密度適中，面層為混凝土結(jié)構(gòu)，且內(nèi)有鋼筋網(wǎng)、抗堿玻纖布加筋，內(nèi)層為輕質(zhì)苯板。這種材料結(jié)夠使其既有混凝土強度高、耐酸堿腐蝕、抗?jié)B的特性，又能達到如苯板質(zhì)輕漂浮于水面之上的目的。在8級風力時仍能保持結(jié)構(gòu)完整，表面無明顯破壞。其作為防蒸發(fā)材料效果較理想。 （3）加筋復(fù)合浮板以土工格柵作為加筋材料，用EPS顆粒取代混凝土的粗集料和細集料，以普通硅酸鹽水泥為膠凝材料并加入適量的粉煤灰，面層涂刷高強灌漿料制成。室內(nèi)試驗測試其性能良好，在水庫現(xiàn)場試驗發(fā)現(xiàn)，浮板與浮板之間撞擊和與岸坡大壩混凝土面板磨損破壞嚴重，遇5級風力時即破壞。 （4）碳纖維加固復(fù)合浮板為加筋復(fù)合浮板的改進材料，采用對浮板面層包裹密封碳纖維布的方式進行補強。大量現(xiàn)場試驗表明補強效果明顯，能夠抵御8級以上風力的破壞。其作為防蒸發(fā)材料效果較理想。
[Abstract]:The utilization ratio of plain reservoirs in arid areas is generally around 45%. For example, in Xinjiang, the annual water loss of plain reservoirs is about 34.1 脳 108m3.If this part of water is saved through anti-seepage and anti-evaporation measures, This subject aims at the problem of large amount of invalid evaporation loss of water surface of plain reservoir in inland arid area, seeks and develops the durable color steel sandwich board and the compound partition board of benzene plate. The reinforced composite floating slab and carbon fiber reinforced composite floating slab are used to prevent or reduce the evaporation loss of the reservoir water surface through the engineering measures to make them float on the water surface. The research results show that:. Color steel sandwich panel is light weight, not hydrophilic, strong acid and alkaline resistance. It can resist the damage of wind force of grade 6 and below. When the wind force is above grade 6, the floatation board appears bending failure, Because the density is small, it is easy to be blown off the water surface by the wind wave. The long-term experiment found that the large area and inner core benzene plate of the surface layer galvanized steel sheet fell off, which resulted in the material failure. (2) the composite partition plate of benzene plate has a moderate density, a concrete structure with a reinforcement net inside, a alkali resistant glass fiber cloth reinforced, and a light benzene plate inside. This material is sufficient to make it have the properties of high strength of concrete, resistance to acid and alkali corrosion, and impermeability. It can also achieve the goal of light floating on the water surface of benzene plate. It can still keep the structure intact and no obvious damage to the surface under the wind force of grade 8. The effect of this material as a material for preventing evaporation is ideal. (3) reinforced composite floating slab uses geogrid as reinforced material, EPS particle replaces coarse aggregate and fine aggregate of concrete, ordinary Portland cement is used as cement material and proper amount of fly ash is added. The surface layer is made of high strength grouting material and its performance is good in laboratory test. In the field test of reservoir, it is found that the impact between floating slab and floating slab and the wear and tear of concrete face with bank slope dam are serious, and when the wind force is 5 grade, it will be destroyed. 4) carbon fiber reinforced composite floatation slab is an improved material for reinforced composite floatation board, which is reinforced by sealing carbon fiber cloth wrapped in floating slab layer. A large number of field tests show that the reinforcement effect is obvious. It can resist the damage of wind force above 8. The effect is ideal as evaporative material.
【學位授予單位】：新疆農(nóng)業(yè)大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：TV697

【參考文獻】

相關(guān)期刊論文 前10條

1 張明波;閻貴平;閆光杰;安明U

本文編號：1591817