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Construction method for building trench backfilling through vibroflotation slurry-tamping method

A construction method and fertilizer trough technology, applied in construction, excavation, infrastructure engineering, etc., can solve the problems of long construction period and low construction efficiency, and achieve the effects of low cost, saving construction period and high overall work efficiency.

Pending Publication Date: 2020-09-18
北京建材地质工程有限公司 +2
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  • Application Information

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Problems solved by technology

This method can be one-third or even half cheaper than pouring concrete mortar, but the work efficiency is the same as that of pouring concrete mortar, and there are also problems of low construction efficiency and long construction period.

Method used

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  • Construction method for building trench backfilling through vibroflotation slurry-tamping method

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Embodiment Construction

[0037] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0038] refer to figure 1 , the invention discloses a construction method for backfilling fertilizer tanks by vibro-ramming method, which can be used for backfilling fertilizer tanks, underground pipe corridors or cavities, etc. The backfilling of fertilizer tanks is taken as an example below, and the backfilling construction method includes the following steps:

[0039] S1. On-site survey preparations, and construction equipment entering the site.

[0040] S2. Put high-pressure pumps, water pumps, mixing equipment, etc. in place, install and debug various equipment, and set up dust-proof sheds if necessary.

[0041] S3. Backfill soil quality and soil unloading port selection.

[0042] S4. Stockyard planning, connecting water and electricity.

[0043] S5. The fertilizer tank is filled by dump truck or forklift, and the fertilizer tank is filled in stages. Eac...

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Abstract

The invention relates to a construction method for building trench backfilling through a vibroflotation slurry-tamping method, which not only can be used for building foundation pit trench backfillingbut also can be used for underground pipe gallery or cavity backfilling. The construction method for building trench backfilling through the vibroflotation slurry-tamping method comprises the following steps of filling backfilling soil into a trench for multiple times; after soil backfilling is accomplished every time, ejecting a stirred slurry into loose backfilling soil, and vibrating to form afluid-plastic cement soil slurry; and solidifying the cement soil slurry through a certain time so as to form cement soil induration. The construction method for building trench backfilling through the vibroflotation slurry-tamping method provided by the invention has the advantages of fast construction speed, short period, low cost, easiness in ensuring the filling quality, capability on disassembling and recovering steel beams on the premise of ensuring the safety, and remarkable economical and environment-friendly benefits.

Description

technical field [0001] The invention relates to the technical field of backfilling, in particular to a construction method for backfilling a building fertilizer tank by a vibrating slurry ramming method. It can also be used for backfilling of building fertilizer tanks, backfilling of bridges and culverts, backfilling of pipe galleries and cavities, etc. Background technique [0002] The fertilizer tank means the part that is excavated more to provide the working surface. Generally, it refers to the space between the outer wall of the basement of the building or the outer wall of the foundation and the edge of the foundation pit. [0003] At present, the following three methods are usually used for backfilling the fertilizer tank: 1. Backfill with plain soil or 2:8 lime soil or 3:7 gray soil. Since the design width of the fertilizer tank is generally less than 1m, the width is small, and the backfill soil cannot be compacted in layers. As a result, the quality of the backfil...

Claims

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Application Information

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IPC IPC(8): E02D17/12E02D15/00C04B28/34
CPCC04B28/344C04B2111/00155C04B2111/00732E02D15/00E02D17/12C04B7/00C04B12/04
Inventor 何世鸣王树军周与诚李江张宝河郁和坤陈辉司呈庆贾城黄鑫峰梁成华王海宁洪伟岳忠杰郭跃龙陈鹏
Owner 北京建材地质工程有限公司
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