CN115828381A - Power distribution room foundation design method convenient for correcting inclination - Google Patents
Power distribution room foundation design method convenient for correcting inclination Download PDFInfo
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- CN115828381A CN115828381A CN202211441538.7A CN202211441538A CN115828381A CN 115828381 A CN115828381 A CN 115828381A CN 202211441538 A CN202211441538 A CN 202211441538A CN 115828381 A CN115828381 A CN 115828381A
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Abstract
The invention discloses a power distribution room foundation design method convenient for rectification, which can be used for installing a power distribution room after rectification, and avoids the problem of structural cracking caused by rectification in the assembled power distribution room directly, and the specific scheme is as follows: manufacturing a prefabricated roof, a plurality of prefabricated walls and a prefabricated foundation; weighing the mass of the prefabricated roof and the mass of the plurality of prefabricated walls; calculating the total mass of the prefabricated roof and the plurality of prefabricated wall bodies, weighing sand bags with the total mass equal to that of the prefabricated roof: mounting the prefabricated foundation on a power distribution room foundation; uniformly placing the sandbags on a prefabricated foundation; rectifying the prefabricated foundation; remove the sand bag from prefabricated basis after rectifying, link together prefabricated basis and prefabricated roof, a plurality of prefabricated wall body.
Description
Technical Field
The invention relates to the technical field of power distribution rooms, in particular to a power distribution room foundation design method convenient for rectification.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The building inclination correcting technology is a new subject developed along with the production and living needs of human beings, belongs to a branch of geotechnical engineering major, and refers to inclination correcting and correcting measures adopted when the gravity center of a building deviates from the bottom centroid and cracks obliquely to seriously affect the normal use function of the building because the uneven settlement of a foundation or the building per se exceeds a specified limit due to certain reasons such as earthquake, water damage, loading, unloading, landslide or differential weathering of the structure per se, artificial damage and the like.
At present, the inclination correction methods of buildings are about thirty, and can be classified into five categories, namely a forced landing method, a lifting method, a reservation method, a transverse loading method, a comprehensive method and the like according to processing modes. The existing power distribution room is mostly assembled, various prefabricated parts are installed on a foundation after a prefabricated foundation is installed on the foundation so as to achieve the purpose of quickly assembling the power distribution room, but the connection between the assembled power distribution rooms is not firm, cracks can possibly occur at the structural connection part of the power distribution room by directly adopting the existing method, and the stability of the power distribution room is damaged.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the power distribution room foundation design method convenient for rectification, the power distribution room is installed after rectification is carried out, and the problem of structural cracking possibly caused by rectification of the assembled power distribution room directly is solved.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a power distribution room foundation design method convenient for rectification is characterized by comprising the following steps:
manufacturing a prefabricated roof, a plurality of prefabricated walls and a prefabricated foundation;
weighing the mass of the prefabricated roof and the mass of the plurality of prefabricated walls;
calculating the total mass of the prefabricated roof and the plurality of prefabricated wall bodies, weighing sand bags with the total mass equal to that of the prefabricated roof:
mounting the prefabricated foundation on a power distribution room foundation;
uniformly installing the sand bags on a prefabricated foundation;
rectifying the prefabricated foundation;
remove the sand bag from prefabricated basis after rectifying, link together prefabricated basis and prefabricated roof, a plurality of prefabricated wall body.
Furthermore, the prefabricated foundation is connected with the prefabricated wall body through a grouting sleeve.
Further, the mass of the required grout sleeve is evaluated, and when calculating the total mass, the mass of the grout sleeve is increased.
And further, the adjacent prefabricated walls are connected through bolts.
Further, the total mass of the bolt is weighed, and when the total mass is calculated, the mass of the grout sleeve is increased.
Further, a forced landing method is adopted for correcting the inclination.
Further, a basement soil excavation and inclination rectification method is adopted for inclination rectification.
Further, the basement soil digging and inclination correcting method comprises the following steps: digging is carried out on the less sinking side of the prefabricated foundation, and a proper amount of foundation soil is taken out to cause new settlement of the foundation, so that the settlement difference of the foundation is effectively adjusted to achieve the purpose of correcting the inclination.
Furthermore, a vertical shaft is dug beside the less sinking side of the prefabricated foundation to form an operation space for digging out soil from the foundation.
Furthermore, four prefabricated wall bodies are arranged and are sequentially connected to form a cuboid frame structure.
The beneficial effects of the invention are as follows:
1) According to the invention, the weight of the power distribution room after installation is simulated by arranging a plurality of sandbags with the same weight as the prefabricated roof and the prefabricated walls, and the power distribution room is installed after rectification on the basis, so that the problem of structural cracking possibly caused by direct rectification in the assembled power distribution room is avoided.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a flow diagram of a method of facilitating rectification of a power distribution room infrastructure in accordance with one or more embodiments of the invention.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the terms "upper", "lower", "left", "right", and the like herein, if any, do not denote any limitation of structure, but rather are used merely to facilitate description of the invention and to simplify description, rather than to indicate or imply that the referenced apparatus or component must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Term interpretation section: the terms "mounted," "connected," "fixed," and the like in the present invention are to be understood in a broad sense, and for example, the terms "mounted," "connected," and "fixed" may be fixed, detachable, or integrated; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and the terms used in the present invention should be understood as having specific meanings to those skilled in the art.
Example one
A power distribution room foundation design method convenient for rectification is characterized by comprising the following steps:
prefabricating a prefabricated roof, a plurality of prefabricated walls and a prefabricated foundation in advance; prefabricated roof, prefabricated wall body and prefabricated basis adopt prior art in the structure can to not inject concrete structure, it is concrete, prefabricated roof, prefabricated wall body and prefabricated basis can adopt following structure:
prefabricated basis is a monoblock square concrete board, and prefabricated basis and prefabricated wall connection position are pre-buried ascending reinforcing bar, and prefabricated wall body and prefabricated basis connection position are pre-buried to have the grout sleeve, and the pre-buried reinforcing bar of prefabricated basis is deepened in the grout sleeve to through the closely knit grout blanket that forms of grout material slip casting.
The prefabricated wall body comprises a prefabricated corner wall body and a straight prefabricated wall body, a plurality of pre-embedded threaded sleeves are arranged at the splicing joints of the prefabricated corner wall body, the pre-embedded threaded sleeves are distributed at intervals along the height direction of the prefabricated corner wall body, each pre-embedded threaded sleeve is transversely arranged, a plurality of reserved mounting hand holes are correspondingly arranged at the splicing joints of the prefabricated corner wall body, and the prefabricated corner wall body and the straight prefabricated wall body are in threaded fit and fixed connection with the pre-embedded threaded sleeves through the reserved mounting hand holes by screws; and the prefabricated corner wall body is filled in the reserved mounting hand hole through grouting material.
The prefabricated wall bodies are four, the four prefabricated wall bodies are sequentially connected to form a cuboid frame structure, and an opening and closing door is arranged on one prefabricated wall body.
Prefabricated roof is square concrete slab, a plurality of prefabricated wall body tops are pre-buried to have the reinforcing bar, prefabricated roof and prefabricated wall body connected position reserve the entrance to a cave, the pre-buried reinforcing bar in prefabricated wall body top is deep in reserving the entrance to it is fixed to pack in the solid through the grout material.
And weighing the prefabricated roof, the plurality of prefabricated walls and the connecting pieces connected among the prefabricated roof, the plurality of prefabricated walls and the prefabricated foundation, and estimating the weight of the required grouting material according to experience.
Calculating the total mass of the prefabricated roof, the plurality of prefabricated wall bodies, the plurality of connecting pieces and the required grouting material, and weighing the sandbags with the mass equal to the total mass:
and (4) installing the prefabricated foundation on the power distribution room foundation to finish the installation of the prefabricated foundation.
And uniformly placing the sand bags with the total mass equal to that of the prefabricated foundation to simulate the load of the assembled power distribution room on the foundation.
The prefabricated foundation is rectified by the existing rectification method, such as forced landing method, combined rectification method combining the forced landing method and the prestressed anchor cables, and the like.
The embodiment adopts a basic soil digging and inclination correcting method in a forced landing method, and specifically comprises the following steps: and (3) excavating a vertical shaft beside the less sinking side of the prefabricated foundation to form an operation space for digging soil from the foundation, wherein the depth of the vertical shaft is 1.5-2.0 m below the prefabricated foundation.
According to the design length, the aperture, the distance and the direction of the soil digging holes, soil is horizontally dug under the foundation in the shaft, the diameter of the soil digging holes is 90-200 mm, the length of the soil digging holes is 2-10 m, the settlement observation of the prefabricated foundation is enhanced when the soil is dug and the inclination is corrected, when the soil is dug until the prefabricated foundation has a small settlement, the soil digging operation is stopped, and the inclination correction is completed.
After the rectification is finished, the sandbags are moved away from the prefabricated foundation, and the prefabricated foundation is connected with the prefabricated roof and the plurality of prefabricated walls together; specifically, grouting is carried out at the connecting position of the prefabricated foundation and the prefabricated wall body to form a grouting layer, the prefabricated wall body is lifted to the corresponding position according to the construction sequence of a drawing, the steel bars pre-embedded in the prefabricated foundation extend into a grouting sleeve, then inclined supports are adopted for fixing, and then grouting materials are injected into the grouting sleeve for filling; screwing the screw rod pre-embedded threaded sleeve at the position of the reserved mounting hand hole, and filling the reserved mounting hand hole with grouting material; and hoisting the prefabricated roof to the top of the prefabricated wall body, enabling the steel bars pre-embedded at the top of the prefabricated wall body to go deep into the reserved hole of the prefabricated roof, and filling the reserved hole with grouting material.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A power distribution room foundation design method convenient for rectification is characterized by comprising the following steps:
prefabricating a prefabricated roof, a plurality of prefabricated walls and a prefabricated foundation in advance;
weighing the mass of the prefabricated roof and the mass of the plurality of prefabricated walls;
calculating the total mass of the prefabricated roof and the plurality of prefabricated wall bodies, weighing sand bags with the total mass equal to that of the prefabricated roof:
mounting the prefabricated foundation on a power distribution room foundation;
uniformly placing the sandbags on a prefabricated foundation;
rectifying the prefabricated foundation;
remove the sand bag from prefabricated basis after rectifying, link together prefabricated basis and prefabricated roof, a plurality of prefabricated wall body.
2. The power distribution room foundation design method facilitating rectification as claimed in claim 1, wherein the prefabricated foundation and the prefabricated wall body are connected through grouting sleeves.
3. A method of electrical distribution room infrastructure to facilitate rectification as claimed in claim 2 wherein the mass of grout sleeve required is assessed and when calculating the total mass the mass of grout sleeve is increased.
4. The power distribution room foundation design method facilitating rectification as claimed in claim 1, wherein adjacent prefabricated walls are connected through bolts.
5. A power distribution room foundation design method facilitating rectification as claimed in claim 4 wherein the total mass of the bolts is weighed and when calculating the total mass, the mass of the bolts is increased.
6. The method for designing a power distribution room foundation facilitating rectification as claimed in claim 1, wherein rectification is performed by forced landing.
7. The power distribution room foundation design method convenient for rectification as claimed in claim 6, wherein the rectification is performed by adopting a basement soil excavation rectification method.
8. The power distribution room foundation design method facilitating rectification as claimed in claim 7, wherein the basement soil-digging rectification method comprises the following steps: digging is carried out on the less sinking side of the prefabricated foundation, and a proper amount of foundation soil is taken out to cause new settlement of the foundation, so that the settlement difference of the foundation is effectively adjusted to achieve the purpose of correcting the inclination.
9. The power distribution room foundation design method facilitating inclination correction according to claim 8, wherein a vertical shaft is dug beside the low-sinking side of the prefabricated foundation to form a working space for basement excavation.
10. The power distribution room foundation design method convenient for rectification as claimed in claim 1, wherein four prefabricated wall bodies are arranged, and the four prefabricated wall bodies are sequentially connected to form a rectangular frame structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211441538.7A CN115828381A (en) | 2022-11-17 | 2022-11-17 | Power distribution room foundation design method convenient for correcting inclination |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211441538.7A CN115828381A (en) | 2022-11-17 | 2022-11-17 | Power distribution room foundation design method convenient for correcting inclination |
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| CN115828381A true CN115828381A (en) | 2023-03-21 |
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| CN202211441538.7A Pending CN115828381A (en) | 2022-11-17 | 2022-11-17 | Power distribution room foundation design method convenient for correcting inclination |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117057025A (en) * | 2023-10-12 | 2023-11-14 | 国网山东省电力公司鱼台县供电公司 | Power distribution room design method and system and power distribution room |
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- 2022-11-17 CN CN202211441538.7A patent/CN115828381A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117057025A (en) * | 2023-10-12 | 2023-11-14 | 国网山东省电力公司鱼台县供电公司 | Power distribution room design method and system and power distribution room |
| CN117057025B (en) * | 2023-10-12 | 2024-01-23 | 国网山东省电力公司鱼台县供电公司 | Power distribution room design method and system and power distribution room |
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