本研究探討混凝土添加奈米改質黏土(nano modified clay, NMC)與奈米二氧化矽(nano silica fume, NSF)以強化高分子混凝土工程性質。試驗參數包含有固定水膠比(W/B = 0.4)、砂率(S/A = 40%)、纖維含量(PP = 0.2%)、二氧化矽含量(MSF = 10 %)、水性壓克力樹脂(P/B = 5 %)，並針對改變奈米二氧化矽含量(NSF = 0、0.05、0.1 %)及奈米改質黏土(NMC = 0、5、10 %)作為變數因子，探討對高分子混凝土各工程性質之影響。
研究結果顯示：(1)工程性質方面：添加NSF後與控制組相比，於齡期56天的超音波波速減低了0.09~0.9 %、動態彈性與剪力模數減少2.3 %~4.5 %及0.15 %~2.61 %、吸水率降低了3.7 %、抗壓強度可提升3 %、劈裂強度下降0.23 %；添加NMC後，齡期56天與控制組相較之下，超音波波速將減少1.55~2.11 %、動彈與動剪模數降低1~2.2 %、吸水率下降了3.1 %、抗壓強度折減5.3~11.2 %、劈裂強度則提升了4.9~6.1 %。(2)耐久性質方面：添加NSF於早期能夠得到顯著的提升，在14天齡期，能使表面電阻值提升43.8 %而添加NMC也可以使早期電阻值上升5.5 %；在氯離子電滲試驗方面，NSF(0.05 %)能夠於長齡期下(56天)減少23.9 %的滲透率，而NMC(5 %)也有相同的情形，降低了16.4 %。(3)耐磨性質方面：使用NSF能使磨損率得到顯著的下降，乾環境降低21.5 %，濕環境減少16.8 %；另外運用適量的NMC(5 %)能獲得同樣的情形，乾環境減10.5 %，濕環境少15.8 %。
從以上結果得知，適量比例下的NSF與NMC雖然僅對於部分工程性質(吸水率)具有貢獻性，但是相較於耐久性與磨耗性方面，兩者均具有顯著的提升效果。

The research mainly focuses on the investigation of the enhancement of engineering properties of polymer concrete with additions of nano modified clay (NMC) and nano silica fume (NSF). The variables of concrete mixtures, with fixed values of water-to-binder ratio (W/B = 0.4), percentage of sand (S/A = 40 % volume of aggregate), polypropylene fiber (PP = 0.2 % volume of concrete) and micro silica fume (MSF = 10 % volumetric replacement of cement), water based acrylic resin (P/B = 5 % weight of cementitious powder), include the amount of nano silica fume (NSF = 0, 0.05, 0.1 % replacement of cement by weight), and the amount of nano modified clay/acrylic resin (NMC = 0, 5, 10% replacement of resin by weight), which were used to study the influence on the engineering properties, durability and abrasion resistance of polymer concrete.
The results of study show that：(1)Engineering properties：At age of 56 days, after adding NSF, except for the compressive strength increased by 3 % and the water absorption decreased by 3.7 %, all the other engineering properties of concrete are slightly decreased by less than 5 %. On the other hand, after adding NMC, except for the splitting tensile strength increased by 4.9-6.1 %, all the other engineering properties of concrete are slightly decreased by less than 12 %.(2)Durability properties：At age of 14 days, both nano materials can increase the value of surface resistivity by 43.8 % and 5.5 % for concrete with NSF and NMC, respectively. , and, at age of 56 days, reduce the value of rapid chloride permeability by 23.9 % and 16.4 % for concrete with NSF and NMC, respectively. (3)Abrasion resistance properties：The additions of NSF and NMC can reduce the amounts of abrasion by 21.5 % and 10.5 % at dry condition, by 16.8 % and 15.8 % at wet condition, respectively.
From above-mentioned results, an appropriate addition of either nano material can significantly increase the resistance of rapid chloride permeability and abrasion of polymer concrete with the sacrifice of slight decreases of other engineering properties like compressive strengths and elastic properties.

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