使用廢棄紅磚製成之細粒料與泥粉對水泥砂漿影響之研究

A Study on effects of mortar using fine aggregates and powder made from waste bricks

黃俊育(Chun-Yu Huang)

指導教授 ： 何仲明

中原大學/工學院/土木工程研究所/碩士(2009年)

https://doi.org/10.6840/cycu200901232

摘要

摘要
台灣社會在經過六零年代的十大建設後，國內經濟開始起飛，但是卻使用相當多的天然砂、石資源。近年來台灣的主要河川已經開始禁止開採砂石，使得砂、石資源的價格向上飆漲。台灣每年產生大量的營建廢棄物，而這些廢棄物不僅難處理也對台灣的生態環境造成的嚴重的破壞。近年來開始提倡環保和永續發展的理念，使得許多先進國家開始研究廢棄物的再利用，來達到永續發展的目標。於是對於營建廢棄物的再利用是相當的重要的一環。本文是將廢棄紅磚破碎製成再生紅磚細骨材和再生紅磚粉分a別用來取代天然細骨材和水泥，以不同的水灰(膠)比、取代量為變數，來探討再生紅磚細骨材和再生紅磚粉之取a代量對再生水泥砂漿的影響。
試驗結果可以發現在以再生紅磚細骨材取代天然細骨材所製成的再生水泥砂漿，再生紅磚細骨材內的矽(Si)、鋁(Al)元素在經過燒失量試驗和X光繞射試驗證實會產生卜作嵐反應，進而增強水泥砂漿的晚期抗壓強度。
以再生紅磚粉取代水泥所製成之再生水泥砂漿，雖然再生紅磚粉會和氫氧
化鈣進行卜作嵐反應，但由於紅磚粉無法和水進行水化反應，導致在常溫時的抗壓強度跟對照組相較起來折減過多。

關鍵字

燒失量 ； 再生紅磚粉 ； 卜作嵐反應 ； 再生紅磚細骨材 ； 營建廢棄物 ； X光繞射試驗

並列摘要

Economy of Taiwan grows dramatically since the Ten Major Construction Projects during the 1970’s. The natural resources used in construction industry are mainly sand and gravel. In recent years, Taiwan government has prohibited the excavation of sand and gravels among the main river basins. This dramatically increases the price of sand and gravel resource. Each year, Taiwan produces an incredible amount of construction wastes. These wastes are not only difficult to disposed, but also pose severely threats to the ecology. Recently, the ideas of recycling and sustainable development start to shine; many advanced countries have started research of recycling waste, in order to reach the goal of continuous sustainability. As the results, the recycling of construction wastes was a key element. This paper is dedicated to the study on effects of mortar using fine aggregates and powder recycled from waste bricks.
According to results of the experiments carried out in this research, we can see the various proportions of recycling bricks as fine aggregates, containing Si and Al, which would enhance Pozzolan reactions to different degree. In addition, the test of lost of ignition and XRD has proven the existence of Pozzolan reactions. As a result, the compressive strength of mortar increases at a later period.
Although using powder made from waste bricks to substitute cement would enhance Pozzolan reactions, it could not enhance the cement hydrating reactions. It is the reason that at normal temperature, the compressive strength of samples with substituted powder is lower than that of the control samples.

並列關鍵字

lost of ignition ； Pozzolan reaction ； recycling bricks as powder ； XRD ； recycling bricks as fine aggregates

參考文獻

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