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蒸壓粉煤灰加氣混凝土復(fù)合砌塊基本力學(xué)性能及其墻體應(yīng)用研究

發(fā)布時(shí)間:2018-05-08 09:53

  本文選題:蒸壓粉煤灰加氣混凝土復(fù)合砌塊 + 抗壓強(qiáng)度; 參考:《太原理工大學(xué)》2014年碩士論文


【摘要】:隨著環(huán)境不斷惡化,嚴(yán)重污染環(huán)境的工業(yè)廢渣的處置已成為我國化石能源使用所面臨的一個(gè)重大問題,粉煤灰作為排放量最大的工業(yè)廢渣之一,提高其綜合利用率十分重要。本文研究的本文蒸壓粉煤灰加氣混凝土復(fù)合砌塊是一種新型填充墻材料,將其應(yīng)用于建筑墻體,既能起到良好保溫隔熱作用,又有利于粉煤灰綜合利用,具有節(jié)能減排效果,研究該復(fù)合砌塊的基本力學(xué)性能及其墻體的應(yīng)用具有十分重要的意義。 蒸壓粉煤灰加氣混凝土復(fù)合砌塊由蒸壓粉煤灰加氣混凝土砌塊與聚苯板復(fù)合而成,具有輕質(zhì)、保溫隔熱等優(yōu)點(diǎn),并且耐久性與耐火性良好。蒸壓粉煤灰加氣混凝土復(fù)合砌塊墻體自保溫系統(tǒng)與一般的外墻外保溫系統(tǒng)相比,其墻體設(shè)計(jì)、施工過程和工程造價(jià)均較少,建筑外墻施工難度低,是一種既經(jīng)濟(jì)實(shí)用,又符合建筑節(jié)能保溫要求的保溫系統(tǒng)。 基于上述原因,在山西省建設(shè)廳資助下,本文研究了蒸壓粉煤灰加氣混凝土復(fù)合砌塊的復(fù)合方式,對(duì)該復(fù)合砌塊基本力學(xué)性能進(jìn)行了試驗(yàn)研究,并結(jié)合實(shí)例,建立采用蒸壓粉煤灰加氣混凝土復(fù)合砌塊填充墻的;⒅楸鼗炷量蚣芙Y(jié)構(gòu)建筑模型,對(duì)其進(jìn)行了理論與軟件模擬分析。 本文研究的具體工作有以下幾方面: (1)通過對(duì)國內(nèi)外學(xué)者研制出的復(fù)合砌塊進(jìn)行文獻(xiàn)研究,選擇粘貼的方式將蒸壓粉煤灰加氣混凝土與聚苯板復(fù)合。通過對(duì)不同組合方式下蒸壓粉煤灰加氣混凝土復(fù)合砌塊墻體傳熱系數(shù)進(jìn)行對(duì)比,得出最適合蒸壓粉煤灰加氣混凝土砌塊的組合方式,并對(duì)復(fù)合砌塊的原材料及各組成部分進(jìn)行了分析。 (2)通過對(duì)蒸壓粉煤灰加氣混凝土復(fù)合砌塊的內(nèi)葉塊抗壓強(qiáng)度、聚苯板壓縮性能、沿塊體厚度方向連接強(qiáng)度和復(fù)合砌塊抗壓強(qiáng)度進(jìn)行試驗(yàn),得出蒸壓粉煤灰加氣混凝土復(fù)合砌塊的內(nèi)葉塊抗壓強(qiáng)度、聚苯板壓縮強(qiáng)度、沿塊體厚度方向連接強(qiáng)度和復(fù)合砌塊抗壓強(qiáng)度四項(xiàng)性能指標(biāo)均能夠滿足相關(guān)規(guī)定。復(fù)合砌塊抗壓強(qiáng)度略高于內(nèi)葉塊抗壓強(qiáng)度,設(shè)計(jì)時(shí)可以內(nèi)葉塊強(qiáng)度等級(jí)代表復(fù)合砌塊強(qiáng)度等級(jí)。 (3)基于保溫節(jié)能效果最優(yōu)化原則,將蒸壓粉煤灰加氣混凝土復(fù)合砌塊填充墻用于;⒅楸鼗炷量蚣芙Y(jié)構(gòu),依據(jù)能耗理論,對(duì)其進(jìn)行能耗計(jì)算,得出建筑物耗熱量指標(biāo)為11.022W/m2,滿足太原市建筑節(jié)能65%目標(biāo);贒eST-h軟件針對(duì)太原市與大同市兩個(gè)氣候區(qū),建立兩個(gè)完全相同的建筑模型,通過模擬分析得出整棟建筑的能耗情況。結(jié)果表明該結(jié)構(gòu)體系能夠滿足山西省寒冷地區(qū)四層及以上建筑節(jié)能65%目標(biāo)。 (4)蒸壓粉煤灰加氣混凝土復(fù)合砌塊墻體自保溫系統(tǒng)具有自重輕、整體性強(qiáng)、保溫性能佳、綜合性強(qiáng)的優(yōu)點(diǎn),在技術(shù)上具有先進(jìn)性。通過比較該系統(tǒng)與EPS板保溫系統(tǒng)、XPS板保溫系統(tǒng)、;⒅楸厣皾{保溫系統(tǒng)的經(jīng)濟(jì)靜態(tài)、動(dòng)態(tài)指標(biāo),可知蒸壓粉煤灰加氣混凝土復(fù)合砌塊墻體自保溫系統(tǒng)造價(jià)最低,在經(jīng)濟(jì)上具有優(yōu)越性。
[Abstract]:With the worsening environment, the disposal of industrial waste residue, which seriously pollutes the environment, has become a major problem in the use of fossil energy in China. As one of the largest industrial waste residues, fly ash is very important to improve its comprehensive utilization. This paper is a new type of autoclaved fly ash aerated concrete composite block. Filling wall material and applying it to building wall can not only play a good role in heat insulation and heat insulation, but also benefit the comprehensive utilization of fly ash. It has the effect of energy saving and emission reduction. It is of great significance to study the basic mechanical properties of the composite block and the application of the wall.
The autoclaved fly ash aerated concrete composite block is composed of autoclaved fly ash and aerated concrete block and polystyrene board. It has the advantages of light quality, heat insulation, heat insulation and so on, and has good durability and fire resistance. The wall design of the autoclave of autoclaved fly ash aerated concrete composite masonry wall is compared with the general external wall insulation system. The construction process and engineering cost are relatively low, and the building exterior wall construction is low in difficulty. It is an economical and practical thermal insulation system which conforms to the requirements of building energy conservation and thermal insulation.
Based on the above reasons, under the support of the Construction Department of Shanxi Province, the composite method of autoclaved fly ash and aerated concrete composite block is studied in this paper. The basic mechanical properties of the composite block are studied, and a glass bead insulation concrete frame with autoclaved fly ash and aerated concrete composite block filling wall is established in combination with an example. A building model is built, and its theoretical and software simulation analysis is carried out.
The specific work of this paper has the following aspects:
(1) through the literature study of the composite masonry developed by scholars at home and abroad, the autoclaved fly ash aerated concrete and polystyrene board are mixed with the method of stickup, and the most suitable autoclaved fly ash aerated concrete block is obtained by comparing the heat transfer coefficient of the composite masonry wall with autoclaved fly ash and aerated concrete under different combinations. The combined raw materials and components of the composite block are analyzed.
(2) through the compression strength of the inner leaf block of the autoclaved fly ash reinforced concrete composite block, the compressive strength of the polystyrene plate, the strength of the connection strength along the thickness of the block and the compressive strength of the composite block, the compressive strength of the inner leaf block of the autoclaved fly ash reinforced concrete composite block, the compressive strength of the polystyrene plate, and the strong connection along the thickness of the block body are obtained. The four performance indexes of the degree and the compressive strength of the composite block can meet the relevant regulations. The compressive strength of the composite block is slightly higher than the compressive strength of the inner block, and the strength grade of the inner block can represent the strength grade of the composite block.
(3) based on the optimization principle of heat preservation and energy saving effect, the autoclaved fly ash and aerated concrete composite masonry filling wall is used in the glass microbead insulation concrete frame structure. According to the energy consumption theory, the energy consumption of the building is calculated. The energy consumption index of the building is 11.022W/m2, which meets the 65% target of building energy conservation in Taiyuan. Based on the DeST-h software, it is aimed at Taiyuan. Two identical building models are established in both the city and Datong City, and the energy consumption of the whole building is obtained through simulation analysis. The results show that the structure system can meet the 65% goals of building energy saving of four layers and above in the cold region of Shanxi province.
(4) the autoclaved fly ash aerated concrete composite block wall self insulation system has the advantages of light self weight, strong integrity, good insulation performance and comprehensive and strong advantages. It is advanced in technology. By comparing the system and EPS plate insulation system, XPS plate insulation system, glass microbead insulation mortar insulation system, the economic static, dynamic index, steaming Compressed fly ash aerated concrete composite block wall self insulation system has the lowest cost and economic superiority.

【學(xué)位授予單位】:太原理工大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2014
【分類號(hào)】:TU522.3

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