Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Cement stabilized macadam mixture with high flexural-tensile strength and preparation process of cement stabilized macadam mixture
The invention provides a cement stabilized macadam mixture with high flexural tensile strength and a preparation process thereof, and relates to the technical field of roadbed materials. According to the cement stabilized macadam mixture with high flexural tensile strength and the preparation process thereof, the cement stabilized macadam mixture is prepared from the following mixed raw materials in parts by weight: 5-6 parts of Portland cement, 8-10 parts of rubber powder, 28-40 parts of stone chips, 30-45 parts of macadam, 20-30 parts of recycled aggregate, 5-8 parts of water, 1-2 parts of fluorgypsum and 1-2 parts of citric acid residues. The rubber powder counteracts part of load generated during expansion or contraction of the cement stabilized macadam mixture, so that the purpose of enhancing bending and tensile strength is achieved, an insoluble calcium salt film layer is generated on the surface of the tricalcium silicate through the citric acid residues, so that the retarding effect is achieved, cement hydration is facilitated through the fluorgypsum, and the utilization rate of the cement stabilized macadam mixture is improved. Therefore, the condition that subsequent corresponding working procedures are inconvenient to operate due to the fact that the solidification speed of the mixture is too high is avoided.
本发明提供一种抗弯拉强度高的水泥稳定碎石混合料及其制备工艺，涉及路基材料技术领域。该一种抗弯拉强度高的水泥稳定碎石混合料及其制备工艺，包括混合原料：硅酸盐水泥5～6份、橡胶粉8～10份、石屑28～40份、碎石30～45份、再生骨料20～30份、水5～8份、氟石膏1～2份、柠檬酸渣1～2份的混合料。通过橡胶粉抵消水泥稳定碎石混合料在膨胀或者收缩时产生的部分载荷，从而达到增强抗弯拉强度的目的，并通过柠檬酸渣在硅酸三钙表面生成不溶性钙盐膜层，从而达到缓凝的作用，且通过氟石膏有利于使水泥水化，从而避免由于混合料凝固速度过快而不便于后续相应工序作业的情况。
Cement stabilized macadam mixture with high flexural-tensile strength and preparation process of cement stabilized macadam mixture
The invention provides a cement stabilized macadam mixture with high flexural tensile strength and a preparation process thereof, and relates to the technical field of roadbed materials. According to the cement stabilized macadam mixture with high flexural tensile strength and the preparation process thereof, the cement stabilized macadam mixture is prepared from the following mixed raw materials in parts by weight: 5-6 parts of Portland cement, 8-10 parts of rubber powder, 28-40 parts of stone chips, 30-45 parts of macadam, 20-30 parts of recycled aggregate, 5-8 parts of water, 1-2 parts of fluorgypsum and 1-2 parts of citric acid residues. The rubber powder counteracts part of load generated during expansion or contraction of the cement stabilized macadam mixture, so that the purpose of enhancing bending and tensile strength is achieved, an insoluble calcium salt film layer is generated on the surface of the tricalcium silicate through the citric acid residues, so that the retarding effect is achieved, cement hydration is facilitated through the fluorgypsum, and the utilization rate of the cement stabilized macadam mixture is improved. Therefore, the condition that subsequent corresponding working procedures are inconvenient to operate due to the fact that the solidification speed of the mixture is too high is avoided.
本发明提供一种抗弯拉强度高的水泥稳定碎石混合料及其制备工艺，涉及路基材料技术领域。该一种抗弯拉强度高的水泥稳定碎石混合料及其制备工艺，包括混合原料：硅酸盐水泥5～6份、橡胶粉8～10份、石屑28～40份、碎石30～45份、再生骨料20～30份、水5～8份、氟石膏1～2份、柠檬酸渣1～2份的混合料。通过橡胶粉抵消水泥稳定碎石混合料在膨胀或者收缩时产生的部分载荷，从而达到增强抗弯拉强度的目的，并通过柠檬酸渣在硅酸三钙表面生成不溶性钙盐膜层，从而达到缓凝的作用，且通过氟石膏有利于使水泥水化，从而避免由于混合料凝固速度过快而不便于后续相应工序作业的情况。
Cement stabilized macadam mixture with high flexural-tensile strength and preparation process of cement stabilized macadam mixture
一种抗弯拉强度高的水泥稳定碎石混合料及其制备工艺
AN HUA (Autor:in) / FENG XUE (Autor:in) / WANG SHIGANG (Autor:in) / REN BAOYING (Autor:in) / ZHU QUANYONG (Autor:in) / WANG MINGSHUAI (Autor:in) / CUI JIEXING (Autor:in) / FENG HUAXIN (Autor:in) / ZHENG KEXIN (Autor:in) / DU LIANMIN (Autor:in)
07.07.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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Cement stabilized macadam mixture and preparation process thereof
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