Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Acidic aggregate modified asphalt concrete for impermeable layer and construction method of acidic aggregate modified asphalt concrete
The invention discloses acid aggregate modified asphalt concrete for an impermeable layer and a construction method of the acid aggregate modified asphalt concrete, and the acid aggregate modified asphalt concrete comprises the following components in percentage by mass: 6.8-7.3% of modified asphalt, 8-10% of alkaline mineral powder filler, 0.3-0.8% of an anti-stripping agent and the balance of aggregate, the aggregate comprises 39%-49% by mass of acidic coarse aggregate with the maximum particle size of 16 mm and 61%-51% by mass of acidic fine aggregate, the acidic fine aggregate is artificial sand, the content of the fine aggregate with the particle size smaller than 0.015 mm is not larger than 3%, and the acidic coarse aggregate is flaked twinkling. In the construction process, the paving and rolling temperature of the modified asphalt concrete mixture is increased to 160-170 DEG C, and the initial rolling temperature gt is increased; the temperature is 150 DEG C, and the secondary rolling temperature is gt; the temperature is 115 DEG C, and the final grinding temperature is gt; 90 DEG C; the acid aggregate asphalt concrete disclosed by the invention has good anti-seepage performance and durability, and can be widely applied to anti-seepage engineering of flaky twinkling acid aggregate asphalt concrete panels.
本发明公开了一种用于防渗层的酸性骨料改性沥青混凝土及其施工方法，按照质量百分比，包括以下组分：改性沥青6.8％～7.3％、碱性矿粉填料8％～10％、抗剥落剂掺量为改性沥青的0.3％～0.8％、骨料余量；骨料包含质量百分比39％～49％、最大粒径16mm的酸性粗骨料和质量百分比61％～51％的酸性细骨料，酸性细骨料为人工砂且粒径小于0.015mm的含量不大于3％，酸性粗骨料为片麻状闪长岩。施工过程中，提高改性沥青混凝土混合料摊铺和碾压温度160℃～170℃，初始碾压温度>150℃，二次碾压温度>115℃，终碾温度>90℃。本发明的酸性骨料沥青混凝土具有良好的防渗性能、耐久性，可广泛用于片麻状闪长岩酸性骨料沥青混凝土面板防渗工程。
Acidic aggregate modified asphalt concrete for impermeable layer and construction method of acidic aggregate modified asphalt concrete
The invention discloses acid aggregate modified asphalt concrete for an impermeable layer and a construction method of the acid aggregate modified asphalt concrete, and the acid aggregate modified asphalt concrete comprises the following components in percentage by mass: 6.8-7.3% of modified asphalt, 8-10% of alkaline mineral powder filler, 0.3-0.8% of an anti-stripping agent and the balance of aggregate, the aggregate comprises 39%-49% by mass of acidic coarse aggregate with the maximum particle size of 16 mm and 61%-51% by mass of acidic fine aggregate, the acidic fine aggregate is artificial sand, the content of the fine aggregate with the particle size smaller than 0.015 mm is not larger than 3%, and the acidic coarse aggregate is flaked twinkling. In the construction process, the paving and rolling temperature of the modified asphalt concrete mixture is increased to 160-170 DEG C, and the initial rolling temperature gt is increased; the temperature is 150 DEG C, and the secondary rolling temperature is gt; the temperature is 115 DEG C, and the final grinding temperature is gt; 90 DEG C; the acid aggregate asphalt concrete disclosed by the invention has good anti-seepage performance and durability, and can be widely applied to anti-seepage engineering of flaky twinkling acid aggregate asphalt concrete panels.
本发明公开了一种用于防渗层的酸性骨料改性沥青混凝土及其施工方法，按照质量百分比，包括以下组分：改性沥青6.8％～7.3％、碱性矿粉填料8％～10％、抗剥落剂掺量为改性沥青的0.3％～0.8％、骨料余量；骨料包含质量百分比39％～49％、最大粒径16mm的酸性粗骨料和质量百分比61％～51％的酸性细骨料，酸性细骨料为人工砂且粒径小于0.015mm的含量不大于3％，酸性粗骨料为片麻状闪长岩。施工过程中，提高改性沥青混凝土混合料摊铺和碾压温度160℃～170℃，初始碾压温度>150℃，二次碾压温度>115℃，终碾温度>90℃。本发明的酸性骨料沥青混凝土具有良好的防渗性能、耐久性，可广泛用于片麻状闪长岩酸性骨料沥青混凝土面板防渗工程。
Acidic aggregate modified asphalt concrete for impermeable layer and construction method of acidic aggregate modified asphalt concrete
一种用于防渗层的酸性骨料改性沥青混凝土及其施工方法
WANG CAIXIA (Autor:in) / PAN RUIQIANG (Autor:in) / YANG ZIQIANG (Autor:in) / YANG WENLI (Autor:in) / SUN HAIQUAN (Autor:in) / ZHAO CHANG (Autor:in) / LI BING (Autor:in) / SHUI YAN (Autor:in) / DUAN YONGTAO (Autor:in) / BAN MEINA (Autor:in)
30.09.2022
Patent
Elektronische Ressource
Chinesisch
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