Pile foundation lining material and construction method of prefabricating prestressed pipe pile using pile foundation lining material
A technology of prestressed pipe piles and construction methods, which is applied in the direction of foundation structure engineering, sheet pile walls, buildings, etc., to achieve the effects of reducing production costs, solving environmental pollution, and having obvious environmental protection effects
Inactive Publication Date: 2018-04-27
中冶沈勘工程技术有限公司
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Provided are a pile foundation lining material and a construction method of prefabricating a prestressed pipe pile using the pile foundation lining material. The pile foundation lining material comprises, by weight, 4-5% of iron tailings, 1-1.2% of cement, 0.15% of fly ash, and 1.2-1.4% of water. The construction method includes the following steps that after drilling, according to the proportion,raw materials are taken and mixed, the pile foundation lining material is obtained and injected into a jackrod of a drilling machine; perfusion is performed to reach a perfusion level, a prefabricated prestressed pipe pile is pressed to a design depth, and simultaneously the pile foundation lining material is compacted, so that the pile foundation lining material is tightly combined with the prestressed pipe pile; the liquid level of the pile foundation lining material is upraised to the top of the pile by 0.5-1.0 m; and the pile foundation lining material is maintained to a design strength to form a solidified body, and the construction process of prefabrication of the prestressed pipe pile using the pile foundation lining material is completed. The pile foundation lining material is environmentally friendly, pile foundation concrete is saved, and the construction method of prefabricating the prestressed pipe pile using the pile foundation lining material solves the problems of the bearing capacity of the pile foundation, the load transmission between the pile and the ground, the combination of the pile and an upper structure and so on; and at the same time, the production cost is greatly reduced, the production efficiency is increased, and the application range is wide.
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Property | Measurement | Unit |
Compressive strength | 8.5 | mPa |
Compressive strength | 10.5 | mPa |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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