CN115652995B - Overall construction method for vehicle overhaul base engineering - Google Patents
Overall construction method for vehicle overhaul base engineeringInfo
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- CN115652995B CN115652995B CN202211333561.4A CN202211333561A CN115652995B CN 115652995 B CN115652995 B CN 115652995B CN 202211333561 A CN202211333561 A CN 202211333561A CN 115652995 B CN115652995 B CN 115652995B
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Abstract
本发明公开了一种车辆检修基地工程总体施工方法，包括步骤：进行车辆基地桩基施工；于桩基内前后均分成三个浇筑段进行浇筑，同时于相邻的两个浇筑段之间设置后浇带，浇筑施工后的三个浇筑段前后依次形成第一、第二和第三施工用的流水段；将地面泥浆、不良质土进行整体清理找平；于第一、第三流水段内进行承台、筏板开挖并施工承台及筏板；于第一、第三流水段内进行组料回填，回填至承台顶标高，并分层压实；能够提高物资周转效率，方便物料运输。
The invention discloses an overall construction method for a vehicle maintenance base project, comprising the following steps: constructing a vehicle base pile foundation; dividing the pile foundation into three pouring sections for pouring, and setting a post-pouring strip between two adjacent pouring sections, so that the three pouring sections after the pouring construction successively form the first, second and third flow sections for construction; cleaning and leveling the ground mud and poor-quality soil as a whole; excavating a cap and a raft slab and constructing the cap and the raft slab in the first and third flow sections; assembling and backfilling materials in the first and third flow sections, backfilling to the cap top elevation, and compacting in layers; the method can improve the material turnover efficiency and facilitate material transportation.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a general construction method for a vehicle overhaul base engineering.
Background
In recent years, along with urban development, underground space engineering construction rapidly develops, subways are more and more, each subway line comprises a vehicle overhaul base, the vehicle overhaul base has the characteristics of large engineering single area, the length of the vehicle overhaul base is more than 400m, the width of the vehicle overhaul base is more than 200m, if a house construction organization method is adopted, the problems that materials cannot be transported to a working surface due to overlarge total area, a concrete pump truck cannot pump to the working surface due to distance limitation and the like exist. At present, a full-distributed tower crane is mainly adopted to transport materials through a plurality of tower cranes, concrete is poured on a ground pump pipeline, and a section steel hole is formed, but the method brings great difficulty to the overall construction organization, influences the construction speed, and increases the investment cost of a man-machine.
Disclosure of Invention
The invention aims to provide a general construction method for a vehicle overhaul base engineering, which can improve the material turnover efficiency and is convenient for material transportation.
The invention provides a general construction method for a vehicle overhaul base engineering, which comprises the following steps:
performing pile foundation construction of a vehicle base;
Equally dividing the pile foundation into three casting sections from front to back for casting, arranging a post-casting belt between two adjacent casting sections, and sequentially forming a first casting section, a second casting section and a third casting section from front to back after casting construction;
carrying out overall cleaning and leveling on ground mud and poor soil;
Excavating a bearing platform and a raft in the first and third water flowing sections, and constructing the bearing platform and the raft;
Backfilling the materials in the first and third water flowing sections to the elevation of the top of the bearing platform, and compacting in layers;
setting up a wall column operation frame on bearing platform surfaces in the first and third water flowing sections;
Carrying out first wall column construction in the first flowing water section and the third flowing water section, and synchronously carrying out excavation and construction of a bearing platform and a raft in the second flowing water section;
Building a column wall operation frame in the first flowing water section and the third flowing water section, performing second wall-saving column construction, and simultaneously building the column wall operation frame, performing wall column construction and backfilling the assembled materials in the second flowing water section;
Roof construction is carried out in the first flowing water section and the third flowing water section, and the second flowing water section is subjected to second section column wall operation frame erection and wall column construction;
Setting up the rest column wall operation frame in the second flow section;
Performing sectional roof pouring operation in the second flow section;
checking whether the strength of the floor slab meets the requirement, dismantling a wall column operation frame after meeting the requirement, excavating CFG piles after dismantling, and constructing pile caps and mattress layers;
and carrying out pit construction and subsequent backfilling operation.
In the pile foundation concrete pouring process, the post-pouring belt is reserved between the concrete poured in advance and the concrete poured in post-pouring mode due to design requirements or construction needs to be poured in sections, six running water sections for construction are equally divided in the pile foundation, and the sectional construction is sequentially carried out, so that the overall construction efficiency can be greatly improved.
Furthermore, a temporary road for material transportation is constructed and arranged in the second flowing water section.
The temporary channel is reserved, and other running water sections can be transported by materials during construction, so that the efficiency of material transportation can be improved, and the speed of integral construction is improved.
Further, the group material backfilling adopts soil with the fine soil content of more than 30% for backfilling.
The soil body with the fine soil content of more than 30 percent is common soil, has rich sources and is easy to obtain, and the construction cost can be greatly reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a plan view of a structure of the invention, which is equally divided into three casting sections for casting in the front and rear of a pile foundation;
FIG. 2 is a plan view of the structure of the present invention after excavation of the bearing platform and raft in the first and third water sections and construction of the bearing platform and raft;
FIG. 3 is a plan view of a structure of the invention after material-assembling backfilling is carried out in a first and a third water flowing sections, backfilling is carried out to the elevation of the top of a bearing platform, and layered compaction is carried out;
FIG. 4 is a plan view of a structure after the first wall-saving column construction is carried out in the first and third water flowing sections, and the excavation and construction of a bearing platform and a raft in the second water flowing section are synchronously carried out;
FIG. 5 is a plan view of a construction of a second wall-saving column in a first and a third water sections, and a construction of a column wall operation frame, a construction of a wall column and a backfilling of components in the second water section;
FIG. 6 is a plan view of the construction of the roof in the first and third water sections, and the second water section after the erection of the second section column wall operation frame and the construction of the wall column;
FIG. 7 is a plan view of the construction of the present invention after the completion of the erection of the remaining column wall carriers in the second flow section.
In the figure, 1-a first water section; 2-a second flow section; 3-third water flowing section, 4-bearing platform, 5-raft and 6-column wall operation frame.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present invention, but is not intended to limit the present invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Referring to fig. 1, there is shown a general construction method of a vehicle service base engineering according to the present invention, including the steps of:
performing pile foundation construction of a vehicle base;
Equally dividing the pile foundation into three casting sections from front to back for casting, arranging a post-casting belt between two adjacent casting sections, and sequentially forming a first casting section, a second casting section and a third casting section from front to back after casting construction;
carrying out overall cleaning and leveling on ground mud and poor soil;
Excavating a bearing platform and a raft in the first and third water flowing sections, and constructing the bearing platform and the raft;
Backfilling the materials in the first and third water flowing sections to the elevation of the top of the bearing platform, and compacting in layers;
setting up a wall column operation frame on bearing platform surfaces in the first and third water flowing sections;
Carrying out first wall column construction in the first flowing water section and the third flowing water section, and synchronously carrying out excavation and construction of a bearing platform and a raft in the second flowing water section;
Building a column wall operation frame in the first flowing water section and the third flowing water section, performing second wall-saving column construction, and simultaneously building the column wall operation frame, performing wall column construction and backfilling the assembled materials in the second flowing water section;
Roof construction is carried out in the first flowing water section and the third flowing water section, and the second flowing water section is subjected to second section column wall operation frame erection and wall column construction;
Setting up the rest column wall operation frame in the second flow section;
Performing sectional roof pouring operation in the second flow section;
checking whether the strength of the floor slab meets the requirement, dismantling a wall column operation frame after meeting the requirement, excavating CFG piles after dismantling, and constructing pile caps and mattress layers;
and carrying out pit construction and subsequent backfilling operation.
In the pile foundation concrete pouring process, due to the design requirement or construction requirement of sectional pouring, a post-pouring belt is reserved between each pouring section, the post-pouring belt is divided into a first, a second and a third water flowing sections in sequence, the three water flowing sections are constructed in a sectional manner, the overall construction efficiency can be greatly improved, in the embodiment, the total pouring length is 240 meters, the pouring design length of each section is 40 meters, the six sections of pouring sections are equally divided, the post-cast strip is 80 cm, and the construction of the front three sections and the rear three sections is completely the same, so that the whole construction can be divided into two steps, and the front three sections and the rear three sections can be constructed sequentially according to the construction method, and therefore, the construction method is not only limited to dividing three sections of running water sections for construction, but also suitable for any other scene which can adopt the sectional construction.
A temporary road for material transportation is constructed in the second flowing section, the road is arranged in the second flowing section to serve as a temporary channel, and other flowing sections can transport materials during construction, so that the efficiency of material transportation can be improved, the overall construction speed is improved, and the temporary road adopts a graded broken stone cushion layer with the thickness of 20cm, namely the thickness of 20 cm.
The group material backfill adopts soil with the fine soil content of more than 30% to carry out backfill, and the fine soil with the fine soil content of more than 30% is common soil, so that the group material backfill has rich sources and is easy to obtain, and the construction cost can be greatly reduced.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, directly connected, or indirectly connected through an intermediary, or may be in communication with the interior of two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "vertical", "inner", "outer", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, and yet fall within the scope of the invention.
Claims (3)
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| CN202211333561.4A CN115652995B (en) | 2022-10-28 | 2022-10-28 | Overall construction method for vehicle overhaul base engineering |
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| CN202211333561.4A CN115652995B (en) | 2022-10-28 | 2022-10-28 | Overall construction method for vehicle overhaul base engineering |
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| CN115652995B true CN115652995B (en) | 2025-09-19 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106065668A (en) * | 2016-08-01 | 2016-11-02 | 中建八局第四建设有限公司 | A kind of construction techniques |
| CN111622263A (en) * | 2020-04-22 | 2020-09-04 | 上海二十冶建设有限公司 | Comprehensive pipe gallery construction method based on composite material combined type template system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2632705B1 (en) * | 1988-06-09 | 1990-11-23 | Matiere Marcel | TUBULAR CONDUIT |
| US5468098A (en) * | 1993-07-19 | 1995-11-21 | Babcock; John W. | Segmental, anchored, vertical precast retaining wall system |
| IT1281032B1 (en) * | 1995-11-17 | 1998-02-11 | Carlo Chiaves | STRUCTURE OF AN UNDERGROUND WORKS, PARTICULARLY FOR THE RELIABATION OF TUNNELS, SUBWAYS, GARAGES OR SIMILAR, ITS PROCEDURE OF |
| CN1982546A (en) * | 2005-12-12 | 2007-06-20 | 上海市第七建筑有限公司 | Direct local skirt border reversing construction for central island |
| CN203429661U (en) * | 2013-04-02 | 2014-02-12 | 东南大学 | Basement with additional downward layers |
| GB2523915B (en) * | 2015-04-01 | 2016-02-03 | Russell Harrison Ltd | Modular building |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106065668A (en) * | 2016-08-01 | 2016-11-02 | 中建八局第四建设有限公司 | A kind of construction techniques |
| CN111622263A (en) * | 2020-04-22 | 2020-09-04 | 上海二十冶建设有限公司 | Comprehensive pipe gallery construction method based on composite material combined type template system |
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