Foundation trench backfilling construction method based on premixed fluid solidified soil

A construction method and soil solidification technology, which is applied to chemical instruments and methods, on-site foundation soil survey, filling, etc., can solve the problems of soil seepage and water leakage, and achieve the effect of improving performance, good durability, and ensuring construction effect

Active Publication Date: 2020-10-30
SHENZHEN MUNICIPAL ENG +1
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Problems solved by technology

[0005] The purpose of the present invention is to provide a foundation trench backfill construction method based on ready-mixed fluid solidif...

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  • Foundation trench backfilling construction method based on premixed fluid solidified soil
  • Foundation trench backfilling construction method based on premixed fluid solidified soil
  • Foundation trench backfilling construction method based on premixed fluid solidified soil

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[0028] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0029] The implementation of the present invention will be described in detail below in conjunction with specific embodiments.

[0030] In the drawings of this embodiment, the same or similar symbols correspond to the same or similar components; The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orien...

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Abstract

The invention relates to the technical field of foundation trench backfilling, and discloses a foundation trench backfilling construction method based on premixed fluid solidified soil. The method comprises the following steps that before a foundation trench is backfilled, the foundation trench is cleared to the elevation of the bottom surface of a foundation, and sundries such as falling loose garbage, mortar and stones are cleaned away; the quality of the fluid solidified soil used for backfilling is checked; the fluid solidified soil is used for backfilling; after soil filling is completedcompletely, datum line placement and leveling are conducted, wherein leveling is conducted on places higher than the standard elevation in time according to a datum line, and soil filling and tampingare conducted on places lower than the standard elevation; the mass density of the dry soil is measured; and after the mass density meets the specified requirement, and layered soil is laid on the upper portion of the fluid solidified soil. In the process of backfilling the foundation trench, the fluid solidified soil for backfilling has the advantages of high compactness, high shear strength andhigh compressive strength. After the fluid solidified soil is solidified, the fluid solidified soil is not dissolved after being soaked in water at normal temperature, and has high stability in waterand high durability. The strength of the foundation trench is improved, thereby ensuring the construction effect.

Description

technical field [0001] The patent of the present invention relates to the technical field of backfilling foundation trenches, in particular, to a construction method for backfilling foundation trenches based on ready-mixed fluid solidified soil. Background technique [0002] In the construction of construction projects, in the construction of subways, exploration, pile foundations, drilling, and drilling of underground foundation pits, a large amount of waste sludge is produced. This part of the waste sludge is a kind of clay, organic and inorganic. Material additives, multi-phase stable colloidal suspension of dirty oil and drilling cuttings, the composition is quite complex. [0003] In our country, it is of far-reaching historical significance to vigorously develop building materials that save energy, save soil, utilize waste, protect the environment and improve building functions. The mud and sand are separated by water washing, the sand is used as building materials fo...

Claims

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Application Information

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IPC IPC(8): E02D17/18E02D1/00B28C5/08B28C5/30B28C5/32B28C5/48B28C7/06C04B28/00
CPCE02D17/18E02D1/00B28C5/48B28C5/30B28C5/32B28C5/0831B28C7/06C04B28/00C04B22/142C04B22/00C04B22/126C04B22/06C04B22/066C04B22/10C04B14/04
Inventor 范璐璐刘忠涂亮亮刘铁军陈建友侯勇勇
Owner SHENZHEN MUNICIPAL ENG
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