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Regenerating method of underground engineering spoil and product produced via regenerating method

A technology of underground engineering and construction method, which is applied in the direction of flocculation/sedimentation water/sewage treatment, etc., and can solve problems such as delaying harm to future generations, biological catastrophe, and spoil specification

Inactive Publication Date: 2019-05-24
NINGBO PINGHAI BUILDING MATERIALS
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] At present, there is no regulation on this kind of spoil in our country. Just imagine, if the spoil that has become highly alkaline and highly polluted is randomly discarded in the open space, the harmful substances will spread to the surrounding land and will be washed away with the rain. The downstream rivers and oceans will cause a comprehensive biological catastrophe, and the spoils buried in the ground will further pollute the entire underground hydrological system, which will harm future generations.

Method used

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  • Regenerating method of underground engineering spoil and product produced via regenerating method
  • Regenerating method of underground engineering spoil and product produced via regenerating method
  • Regenerating method of underground engineering spoil and product produced via regenerating method

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[0023] Embodiments: The features and technical content of related patent applications of the present invention will be clearly presented in the following detailed descriptions of two preferred embodiments with reference to the drawings.

[0024] Before proceeding to the detailed description, it should be noted that like elements are denoted by like numerals. In addition, the underground engineering spoil mentioned in the manual is a stabilizing solution that is sprayed on the soil surface and penetrated into the soil layer before the foundation pile is drilled and the diaphragm wall is applied to improve the firmness and stability of the soil layer. , to ensure that the soil layer will not collapse during and after the excavation, which is an underground engineering operation under the premise of safety.

[0025] In the present invention, the stabilizing liquid is made of super mud (Neat Vis NV-220), which belongs to a kind of high molecular polymer containing polyacrylamide (...

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Abstract

A regenerating method of underground engineering spoil comprises the steps of collecting, to be specific, collecting underground engineering spoil from a construction site; dewatering, to be specific,dewatering the spoil; stabilizing, to be specific, subjecting the dewatered spoil to acid-base balancing so that ph of the spoil is close to neutrality or is neutral so that the spoil has stable properties; mixing and cementing, mixing the stabilized spoil and a cementing material via water, and allowing to cement to form a mixture.

Description

technical field [0001] The invention relates to a regeneration treatment method, in particular to a standardized production regeneration treatment method for making underground engineering waste soil into a regeneration mixture. Background technique [0002] The Taiwan area has entered into a developing country, the population is concentrated in the cities, and the development tends to be saturated. New buildings must be built higher. However, the buildings in the cities are dense, and the open-cut method cannot be used to excavate the basement and foundation. It must be vertically Under excavation, in order not to affect the structural safety of the adjacent buildings, and at the same time maintain the construction safety of the new construction site and smooth excavation, retaining facilities must be set up so that the construction can proceed smoothly. [0003] There are many types of soil retaining facilities, among which the continuous wall is the most common. The conti...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B18/02C04B20/02C02F1/52C04B14/36
Inventor 胡宗芳
Owner NINGBO PINGHAI BUILDING MATERIALS