Inverted filter material water permeable pile composite foundation and water permeable rate measuring device and method thereof

A technology of composite foundation and permeable pile, which is applied in the direction of measuring device, analysis material, permeability/surface area analysis, etc., to achieve the effect of improving physical properties, improving shear strength and liquefaction resistance, and increasing internal friction angle

Pending Publication Date: 2021-03-19
NANCHANG UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, there is currently no set of water permeation detection devices with simple structure, easy implementation, easy control, and low cost on the market.

Method used

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  • Inverted filter material water permeable pile composite foundation and water permeable rate measuring device and method thereof
  • Inverted filter material water permeable pile composite foundation and water permeable rate measuring device and method thereof
  • Inverted filter material water permeable pile composite foundation and water permeable rate measuring device and method thereof

Examples

Experimental program
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Embodiment

[0042] Example: see Figure 1-7 .

[0043] A composite foundation of filter material permeable piles, comprising two recycled concrete permeable piles 1, two prestressed concrete piles 3, a geotextile 2 covering the recycled concrete permeable piles 1, and laying on the recycled concrete permeable piles 1, prestressed concrete The cushion layer 4 on the top of the pile 3, the geotextile 2 is covered on the side and bottom of the recycled concrete permeable pile 1, and the two recycled concrete permeable piles 1 and the two prestressed concrete piles 3 are arranged in a square shape, respectively set At the four corners of the square, a cushion layer 4 is laid on the top of the recycled concrete permeable pile 1 and the prestressed concrete pile 3 to form the composite foundation.

[0044] The geotextile 2 is covered on the outer side and bottom of the immersed tube 5, sinks together with the immersed tube 5 to the design depth of the permeable pile, pours permeable concrete i...

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Abstract

The invention discloses an inverted filter material water permeable pile composite foundation and a water permeable rate measuring device and method thereof. The composite foundation comprises recycled concrete water permeable piles, prestressed concrete piles, geotextile wrapping the recycled concrete water permeable piles and a mattress layer laid at the tops of the water permeable piles. The measuring device comprises a sleeve, an inner support arranged in the sleeve, a pervious concrete test piece arranged on the inner support and geotextile wrapping a water permeable concrete test piece.Waste concrete is recycled to be made into recycled concrete, the recycled concrete is combined with the geotextile, resources are saved, meanwhile, the foundation has good water permeability, water can be drained to the maximum extent, sandy soil is reserved, piping and quicksand caused by hydraulic power are prevented, the bearing capacity of the foundation is improved, and sedimentation of a building is reduced; the corresponding water permeable rate testing device is simple in structure, the testing method is convenient to use, and the water permeable performance of the water permeable concrete and the impermeability of a concrete test block can be rapidly detected.

Description

technical field [0001] The invention relates to the technical field of civil engineering, in particular to a composite foundation of reverse filter material permeable piles and a water permeability measuring device and method thereof. Background technique [0002] In the construction of the project, in order to meet the needs of the bearing capacity of the foundation, it is necessary to design the foundation before the construction of the project, and finally design a most scientific and reasonable method. Under the current demand, the problem of difficult construction waste disposal has been recognized all over the world. Attention, the development of green, energy-saving, environmental protection, and sustainable development models is the direction of the future development of the construction industry, so the composite foundation prepared by recycled concrete is a typical trend in the development of foundation treatment, and combined with geotextiles to prevent piping and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/08E02D5/58E02D5/30
CPCE02D5/30E02D5/58G01N15/0806
Inventor 雷斌严梦翔张伯超林海
Owner NANCHANG UNIV
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