lime mortar

基本解释

After a century, it's still standing, but its bricks have begun to drop and break as, little by little, its lime mortar, exposed to temperature swings, crumbles and powders.
一個世紀之後，它還依舊聳立，但甎塊早就開始剝落，一點一點地裂開；石灰砂漿也是如此，溫差變化使其碎裂爲粉末。
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The experimental results showed that:the main component of masonry mortars is calcium carbonate, the content between 75% ~90%, and they should be made from relatively pure lime mortar.
結果表明：這些古城牆使用的膠結材料是純＂白灰灰漿＂，主要成分是碳酸鈣，含量在75%~90%之間，其原料主要是鈣質生石灰，個別來自鎂質生石灰；
Before the 19th-century invention of portland cement, masons used thin joints of lime mortar, which required greater precision than the thicker joints of portland-cement mortar and were not as strong.
在19世紀普通水泥發明之前，泥瓦匠使用石灰砂漿薄黏片，這種黏片比普通水泥砂漿的厚片更要求精確，但不是很堅固。