A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Road base mixture
The invention relates to the technical field of road construction materials, in particular to a road base mixture which comprises the following components in percentage by volume: 50-70% of coarse aggregate, 10-30% of coarse aggregate, 10-30% of coarse aggregate and 10-30% of coarse aggregate. The volume content of the fine aggregate is 20%-40%; the volume content of the cement is 5%-10%; the volume content of the additive is 0%-5%; the volume content of the composite fiber is 0.2%-0.5%; the volume content of the mineral fiber is 0.1%-0.3%; the volume content of the high-strength polymer fiber is 0.05 percent to 0.1 percent; the volume content of the polymer modifier is 0.01%-0.05%; the volume content of the waterproof agent is 0.01%-0.05%; wherein the coarse aggregate is gravels or gravels, and the particle size of the coarse aggregate is 10-40 mm; the fine aggregate is sand, and the particle size of the fine aggregate is 0.5-2 mm; the cement is ordinary Portland cement; the additives comprise a hydration accelerator, a water reducing agent and an anti-cracking agent; the composite fiber is a steel fiber and polypropylene fiber composite material; the mineral fibers are natural fibers and artificial fibers; according to the present invention, the compressive strength is improved by 5-10 MPa, the impact strength is improved by 50-100 J/m < 2 >, the crack resistance is reduced by 0.05-0.1 mm, and the water stability is improved by 0.1-0.2 mm.
本发明涉及道路施工材料技术领域，尤其为一种道路基层混合料，包括以下组分：粗集料，其体积含量为50％‑70％；细集料，其体积含量为20％‑40％；水泥，其体积含量为5％‑10％；外加剂，其体积含量为0％‑5％；复合纤维，其体积含量为0.2％‑0.5％；矿物纤维，其体积含量为0.1％‑0.3％；高强度聚合物纤维，其体积含量为0.05％‑0.1％；聚合物改性剂，其体积含量为0.01％‑0.05％；防水剂，其体积含量为0.01％‑0.05％；其中，粗集料为碎石或砾石，其粒径为10mm‑40mm；细集料为砂子，其粒径为0.5mm‑2mm；水泥为普通硅酸盐水泥；外加剂为水化促凝剂、减水剂、抗裂剂；复合纤维为钢纤维、聚丙烯纤维复合材料；矿物纤维为天然纤维、人造纤维；本发明中，抗压强度提高了5MPa‑10MPa，抗冲击强度提高了50J/m2‑100J/m2，抗裂性降低了0.05‑0.1mm，水稳定性提高了0.1‑0.2mm。
Road base mixture
The invention relates to the technical field of road construction materials, in particular to a road base mixture which comprises the following components in percentage by volume: 50-70% of coarse aggregate, 10-30% of coarse aggregate, 10-30% of coarse aggregate and 10-30% of coarse aggregate. The volume content of the fine aggregate is 20%-40%; the volume content of the cement is 5%-10%; the volume content of the additive is 0%-5%; the volume content of the composite fiber is 0.2%-0.5%; the volume content of the mineral fiber is 0.1%-0.3%; the volume content of the high-strength polymer fiber is 0.05 percent to 0.1 percent; the volume content of the polymer modifier is 0.01%-0.05%; the volume content of the waterproof agent is 0.01%-0.05%; wherein the coarse aggregate is gravels or gravels, and the particle size of the coarse aggregate is 10-40 mm; the fine aggregate is sand, and the particle size of the fine aggregate is 0.5-2 mm; the cement is ordinary Portland cement; the additives comprise a hydration accelerator, a water reducing agent and an anti-cracking agent; the composite fiber is a steel fiber and polypropylene fiber composite material; the mineral fibers are natural fibers and artificial fibers; according to the present invention, the compressive strength is improved by 5-10 MPa, the impact strength is improved by 50-100 J/m < 2 >, the crack resistance is reduced by 0.05-0.1 mm, and the water stability is improved by 0.1-0.2 mm.
本发明涉及道路施工材料技术领域，尤其为一种道路基层混合料，包括以下组分：粗集料，其体积含量为50％‑70％；细集料，其体积含量为20％‑40％；水泥，其体积含量为5％‑10％；外加剂，其体积含量为0％‑5％；复合纤维，其体积含量为0.2％‑0.5％；矿物纤维，其体积含量为0.1％‑0.3％；高强度聚合物纤维，其体积含量为0.05％‑0.1％；聚合物改性剂，其体积含量为0.01％‑0.05％；防水剂，其体积含量为0.01％‑0.05％；其中，粗集料为碎石或砾石，其粒径为10mm‑40mm；细集料为砂子，其粒径为0.5mm‑2mm；水泥为普通硅酸盐水泥；外加剂为水化促凝剂、减水剂、抗裂剂；复合纤维为钢纤维、聚丙烯纤维复合材料；矿物纤维为天然纤维、人造纤维；本发明中，抗压强度提高了5MPa‑10MPa，抗冲击强度提高了50J/m2‑100J/m2，抗裂性降低了0.05‑0.1mm，水稳定性提高了0.1‑0.2mm。
Road base mixture
一种道路基层混合料
MA CHENHAO (author) / WANG DONGHUA (author) / ZHOU ZHENG (author) / ZHANG XINWEI (author) / WANG GANG (author) / GAO YUNLIANG (author) / GENG YASHUAI (author) / YE RUNZHONG (author) / HE YAQIAN (author) / LI JIANPENG (author)
2024-01-09
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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