纖維水泥及制品_2020_《混凝土與水泥制品》雜志社

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纖維水泥及制品

耐堿玻纖增強陶?；炷亮W性能試驗研究

馬少春1,2,3，賈鵬舉1，鮑鵬1,3，袁其夢1

2020年第12期

摘要

引用本文

摘 ? 要：研究了陶粒取代率和耐堿玻璃纖維（耐堿玻纖）體積摻量對陶?；炷量箟簭姸?、比強度和彈性模量的影響。結果表明，耐堿玻纖陶?；炷恋目箟簭姸?、比強度和彈性模量均隨著陶粒取代率的增加而降低，當取代率達到20%后下降趨勢更加顯著。隨著耐堿玻纖摻量的增加，陶?；炷恋母黜椫笜司氏仍龃蠛鬁p小趨勢；當陶粒取代率在20%以內時，不同摻量耐堿玻纖陶?；炷恋谋葟姸染鶅炗谄胀ɑ炷?；當陶粒取代率為15%、耐堿玻纖摻量為0.3%時，比強度最優。 Abstract: The effects of the replacement rate of ceramsite and the volume content of alkali resistant glass fiber on the compressive strength, specific strength and elastic modulus of ceramsite concrete were studied. The results show that the compressive strength, specific strength and elastic modulus of alkali resistant glass fiber ceramsite concrete decrease with the increase of ceramsite replacement rate, and the decrease is more significant when the replacement rate reaches 20%. With the increase of alkali resistant glass fiber content, the indexes of ceramsite concrete increase first and then decrease. When the replacement rate of ceramsite is within 20%, the specific strength of alkali resistant glass fiber ceramsite concrete with different contents is better than that of ordinary concrete. When the replacement rate of ceramsite is 15% and the fiber content is 0.3%, the specific strength reaches the best state.

馬少春,賈鵬舉,鮑鵬,等.耐堿玻纖增強陶?；炷亮W性能試驗研究[J].混凝土與水泥制品,2020(12):45-49. MA S C,JIA P J,BAO P,et al. Experimental Study on Mechanical Properties of Alkali Resistant Glass Fiber Reinforced Ceramsite Concrete[J].CHINA CONCRETE AND CEMENT PRODUCTS,2020(11):45-49.

鋼-PVA混雜纖維高韌性混凝土力學與碳化性能試驗研究

蘇駿1,2，周翔1，郭鋒1

2020年第12期

摘要

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摘 ? 要：研究了不同體積摻量的鋼纖維和PVA纖維對不同碳化齡期下鋼-PVA混雜纖維高韌性混凝土的抗碳化性能以及碳化后力學性能的影響，考慮了水泥、粉煤灰、碳化等多因素效應和纖維體積分數對混凝土碳化深度的影響，并提出了鋼-PVA混雜纖維高韌性混凝土碳化深度預測模型。結果表明：纖維的摻入提高了混凝土強度及抗碳化性能，且1.0%鋼纖維與0.10%PVA纖維的混摻效果最好；提出的碳化預測模型精度較高，可為混凝土碳化深度的預測提供參考。 Abstract: The effects of different volume of steel fiber and PVA fiber on the carbonization resistance and mechanical properties of steel-PVA hybrid fiber high toughness concrete under different carbonization ages were studied. Considering the multi-factor effects such as cemen, fly ash, carbonization and fiber volume fraction on the carbonization depth of concrete, a carbonization depth prediction model for steel-PVA hybrid fiber high toughness concrete was put forward. The results show that the incorporation of fibers improves the strength and carbonization resistance of concrete, and 1.0% steel fiber and 0.10% PVA fiber have the best blending effect. The carbonization depth prediction model has high accuracy and can provide a reference for the prediction of concrete carbonization depth.

蘇駿,周翔,郭鋒.鋼-PVA混雜纖維高韌性混凝土力學與碳化性能試驗研究[J].混凝土與水泥制品,2020(12):50-54. SU J,ZHOU X,GUO F.Study on Mechanical Properties and Carbonization Performance of Steel -PVA Hybrid Fiber High Toughness Concrete[J].CHINA CONCRETE AND CEMENT PRODUCTS,2020(12):50-54.

硅粉/混雜纖維水泥基材料力學與耐硫酸鹽腐蝕性能研究

邊亞東1，王克儉1，王森林1，梁振1，呂亞軍2

2020年第12期

摘要

引用本文

摘 ? 要：通過抗壓強度、劈裂抗拉強度、質量腐蝕系數和強度腐蝕系數試驗，研究了硅粉/混雜纖維水泥基材料的力學性能和耐硫酸鹽腐蝕性能。結果表明：硅粉/混雜纖維水泥基材料的強度均高于空白組和單摻纖維水泥基材料強度；當硅粉摻量為8％、玄武巖纖維摻量為0.15％、聚丙烯纖維摻量為0.50％時，硅粉/混雜纖維水泥基材料的質量腐蝕系數和強度腐蝕系數最小，即耐腐蝕能力最好。 Abstract: Through the compressive strength, split tensile strength, mass corrosion coefficient and strength corrosion coefficient test, the mechanical properties and sulfate corrosion resistance of silica fume/hybrid fiber cement-based materials were studied. The results show that the strength of silica fume/hybrid fiber cement-based materials is higher than those of blank group and single fiber cement-based materials. When the content of silica fume is 8%, the content of ?basalt fiber is 0.15% and the content of polypropylene fiber is 0.50%, the mass corrosion coefficient and strength corrosion coefficient are the smallest, that is, the corrosion resistance of silica fume/hybrid fiber cement-based materials is the best.

邊亞東,王克儉,王森林,等.硅粉/混雜纖維水泥基材料力學與耐硫酸鹽腐蝕性能研究[J].混凝土與水泥制品,2020(12):55-58,67. BIAN Y D,WANG K J,WANG S L,et al.Study on Mechanical Properties and Sulphate Corrosion Resistance of Silica Fume/Hybrid Fiber Cement-based Materials[J].CHINA CONCRETE AND CEMENT PRODUCTS,2020(12):55-58,67.

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