Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Self-compacting soil, preparation method thereof and construction method for backfilling municipal cavity
The invention belongs to the technical field of civil engineering, and particularly relates to self-compacting soil which comprises undisturbed soil, cement, water and an additive, wherein the mass ratio of the cement to dry soil in the undisturbed soil is 1: (3-4), the ratio of the total mass of the cement and the dry soil in the undisturbed soil to the mass of the water is 1: (1.5-2.5), and theadditive amount of the additive is 0.3%-1.0% of the mass of the cement. According to the invention, the undisturbed soil excavated from the to-be-backfilled cavity due to municipal engineering earthwork is used as a main raw material, and the cement, the water, the additive and other raw materials in a specific ratio are combined, so the undisturbed soil of the to-be-backfilled cavity is reasonably utilized, the use cost of the raw materials is reduced, and the cavity backfilling cost and the engineering cost are reduced; and the self-compacting soil has good self-compacting property, reasonable fluidity, good compressive strength and good backfilling effect.
本发明属于土木工程技术领域，尤其涉及一种自密实土，包括：原状土、水泥、水和添加剂，所述水泥与所述原状土中干燥土壤的质量配比为1：(3～4)，所述水泥和所述原状土中干燥土壤的总质量与所述水的质量比为1：(1.5～2.5)，所述添加剂的添加量为所述水泥质量的0.3％～1.0％。本发明提供的自密实土以待回填空腔因市政工程土方开挖出来的原状土为主要原材料，并结合特定配比的水泥、水、和添加剂等原材料，不但合理利用了待回填空腔的原状土，降低了原材料使用成本，降低了空腔回填成本和工程造价；而且自密实土具有较好的自密实性，合理的流动性，较好的抗压强度，回填效果好。
Self-compacting soil, preparation method thereof and construction method for backfilling municipal cavity
The invention belongs to the technical field of civil engineering, and particularly relates to self-compacting soil which comprises undisturbed soil, cement, water and an additive, wherein the mass ratio of the cement to dry soil in the undisturbed soil is 1: (3-4), the ratio of the total mass of the cement and the dry soil in the undisturbed soil to the mass of the water is 1: (1.5-2.5), and theadditive amount of the additive is 0.3%-1.0% of the mass of the cement. According to the invention, the undisturbed soil excavated from the to-be-backfilled cavity due to municipal engineering earthwork is used as a main raw material, and the cement, the water, the additive and other raw materials in a specific ratio are combined, so the undisturbed soil of the to-be-backfilled cavity is reasonably utilized, the use cost of the raw materials is reduced, and the cavity backfilling cost and the engineering cost are reduced; and the self-compacting soil has good self-compacting property, reasonable fluidity, good compressive strength and good backfilling effect.
本发明属于土木工程技术领域，尤其涉及一种自密实土，包括：原状土、水泥、水和添加剂，所述水泥与所述原状土中干燥土壤的质量配比为1：(3～4)，所述水泥和所述原状土中干燥土壤的总质量与所述水的质量比为1：(1.5～2.5)，所述添加剂的添加量为所述水泥质量的0.3％～1.0％。本发明提供的自密实土以待回填空腔因市政工程土方开挖出来的原状土为主要原材料，并结合特定配比的水泥、水、和添加剂等原材料，不但合理利用了待回填空腔的原状土，降低了原材料使用成本，降低了空腔回填成本和工程造价；而且自密实土具有较好的自密实性，合理的流动性，较好的抗压强度，回填效果好。
Self-compacting soil, preparation method thereof and construction method for backfilling municipal cavity
自密实土及其制备方法和回填市政空腔的施工方法
CHEN HUIMING (Autor:in) / ZHU XIANJIE (Autor:in) / GU XIAOYUAN (Autor:in) / SHANG FANGZE (Autor:in) / LI JINBO (Autor:in) / CHEN QIUYU (Autor:in) / QIU LICHENG (Autor:in) / CAO YONGSHENG (Autor:in)
10.11.2020
Patent
Elektronische Ressource
Chinesisch
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