本文選題：水泥混凝土路面 + 橋面鋪裝��； 參考：《長(zhǎng)安大學(xué)》2015年碩士論文

【摘要】：水泥混凝土路面?zhèn)鹘y(tǒng)表面紋理技術(shù)對(duì)路面抗滑降噪特性改善效果有限,并且耐久性差,路面運(yùn)營(yíng)一段時(shí)間后表面紋理衰減明顯,極大地影響了水泥混凝土路面使用品質(zhì)和安全性能。水泥混凝土橋面鋪裝體系層間發(fā)生剪切破壞,是橋面鋪裝體系常見(jiàn)病害之一,傳統(tǒng)橋面粗糙處理技術(shù)對(duì)層間粘結(jié)有一定改善,但破壞現(xiàn)象仍普遍存在。本文提出基于“嵌入集料”工藝的植石技術(shù),分析將其應(yīng)用于水泥混凝土路面表面以及水泥混凝土橋面鋪裝體系時(shí)的適用性,并推薦不同應(yīng)用方向的關(guān)鍵技術(shù)參數(shù)。通過(guò)室內(nèi)試驗(yàn),建立壓入時(shí)間、壓入深度與壓入荷載之間的關(guān)系,分析水泥混凝土材料組成與石料參數(shù)對(duì)植石水泥混凝土施工工藝參數(shù)的影響;借鑒肯塔堡飛散試驗(yàn)原理,將飛散試驗(yàn)?zāi)ズ膿p失作為植石水泥混凝土界面強(qiáng)度評(píng)價(jià)指標(biāo),分析水泥混凝土強(qiáng)度、石料參數(shù)及鹽分侵蝕對(duì)界面強(qiáng)度的影響;通過(guò)改變石料參數(shù),分析植石技術(shù)對(duì)水泥混凝土路面抗滑特性和降噪特性的影響,并與傳統(tǒng)表面紋理處理技術(shù)進(jìn)行對(duì)比;通過(guò)鋪裝層間剪切試驗(yàn),提出鋪裝體系抵抗變形能力的評(píng)價(jià)指標(biāo),并結(jié)合層間抗剪強(qiáng)度,分析石料參數(shù)、環(huán)境條件、荷載作用方式及界面粘結(jié)增強(qiáng)劑對(duì)層間抗剪性能的影響,此外還分析了水溫循環(huán)作用對(duì)植石橋面鋪裝層間抗剪性能耐久性的影響。室內(nèi)試驗(yàn)結(jié)果表明,水泥混凝土材料組成不同,壓入荷載增長(zhǎng)趨勢(shì)也不相同,且石料參數(shù)對(duì)壓入荷載影響十分顯著;植石水泥混凝土磨耗損失呈兩段式規(guī)律,石料參數(shù)及鹽分侵蝕與磨耗損失息息相關(guān);植石技術(shù)應(yīng)用于水泥路面表面時(shí),不同的石料參數(shù)組成條件下,抗滑降噪特性均有一定程度上的改善;根據(jù)石料參數(shù)對(duì)植石橋面鋪裝層間抗剪性能的影響,推薦了植石技術(shù)應(yīng)用于水泥橋面鋪裝時(shí)的關(guān)鍵技術(shù)參數(shù),相比較于常見(jiàn)的橋面粗糙處理工藝,植石橋面鋪裝具有更好的層間抗剪性能及耐久性;界面粘結(jié)增強(qiáng)劑應(yīng)用工藝對(duì)鋪裝層間抗剪性能有顯著影響,推薦采用后灑工藝。植石技術(shù)可在水泥混凝土表面形成豐富的紋理構(gòu)造,無(wú)論應(yīng)用于水泥混凝土路面表面,還是水泥混凝土橋面鋪裝體系,較之傳統(tǒng)表面紋理技術(shù),均具有明顯技術(shù)優(yōu)越性,但用于水泥路面表面時(shí)外觀有待進(jìn)一步改善。
[Abstract]:The traditional surface texture technology of cement concrete pavement has a limited effect on improving the anti-slip and noise characteristics of the pavement, and its durability is poor, and the surface texture attenuation is obvious after a period of operation. The quality and safety of cement concrete pavement are greatly affected. The shear failure of cement concrete bridge deck pavement system is one of the common diseases of bridge deck pavement system. Traditional bridge deck rough treatment technology has improved the bond between layers, but the failure phenomenon is still widespread. This paper presents a stone planting technique based on "embedded aggregate" technology, analyzes its applicability when it is applied to the surface of cement concrete pavement and the pavement system of cement concrete bridge deck, and recommends the key technical parameters in different application directions. Through indoor test, the relationship between indentation time, indentation depth and indentation load is established, and the influence of cement concrete material composition and stone material parameters on construction process parameters of stone-planting cement concrete is analyzed, and the theory of Kentucky Flying Test is used for reference to analyze the influence of cement concrete material composition and stone material parameters on the construction process parameters. In this paper, the wear loss of flying test is used as the evaluation index of the interface strength of cement concrete, the influence of cement concrete strength, stone parameters and salt erosion on the interface strength is analyzed, and the influence of stone parameters on the interface strength is analyzed. This paper analyzes the influence of stone planting technology on the anti-skid and noise reduction characteristics of cement concrete pavement, and compares it with the traditional surface texture treatment technology, and puts forward the evaluation index of anti-deformation ability of pavement system through interlayer shear test. Combined with the interlaminar shear strength, the influence of stone parameters, environmental conditions, loading mode and interfacial binder on the interlaminar shear resistance is analyzed. In addition, the effect of water temperature cycling on the durability of shear resistance of stone bridge deck pavement is also analyzed. The results of laboratory test show that the increasing trend of indentation load is different with different composition of cement concrete materials, and the influence of stone material parameters on compressive load is very significant. Stone parameters and salt erosion are closely related to wear loss. When stone planting technology is applied to the surface of cement pavement, the characteristics of anti-slide and noise reduction are improved to a certain extent under the conditions of different stone parameters. According to the influence of stone material parameters on the shear resistance of stone bridge deck pavement, the key technical parameters of stone planting technology applied to cement bridge deck pavement are recommended, compared with the common rough treatment technology of bridge deck. The interlaminar shear resistance and durability of bridge deck pavement are better, and the application of interfacial binder reinforcements has a significant effect on the interlaminar shear resistance of pavement, and the post-sprinkling process is recommended. Stone planting technology can form rich texture structure on cement concrete surface. Whether it is applied to cement concrete pavement surface or cement concrete bridge deck pavement system, it has obvious technical superiority compared with traditional surface texture technology. However, the appearance of cement pavement surface needs further improvement.
【學(xué)位授予單位】：長(zhǎng)安大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：U416.216

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