CN115467353A

CN115467353A - A precast concrete basis for assembled container board house

Info

Publication number: CN115467353A
Application number: CN202211419375.2A
Authority: CN
Inventors: 梁汝鸣; 李宁; 和西良; 刘洋; 张波; 祝人杰; 庞振; 葛序尧; 付少帅
Original assignee: Second Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Current assignee: Second Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2022-12-13

Abstract

The application discloses a precast concrete foundation for an assembled container board house, relates to the field of constructional engineering, and comprises precast concrete; the stressed steel bars are configured in the bottom area of the precast concrete; the bolt is vertically embedded in the top surface of the precast concrete; the transverse anchor bars are embedded in the precast concrete; the steel plate is arranged on the top edge of the precast concrete; the weight reducing block is arranged inside the precast concrete; compared with the traditional cast-in-place concrete strip foundation and brick strip foundation, the cast-in-place concrete strip foundation has the advantages of good quality, quick construction, adjustability and easiness in dismantling, and has wide practicability; the precast concrete foundation is industrially produced in a precast component factory, the maintenance condition is good, the strength and the quality of the concrete are higher, and the quality problem of cast-in-place concrete or masonry engineering caused by the construction period can be avoided.

Description

A precast concrete basis for assembled container board house

Technical Field

The application relates to the field of constructional engineering, in particular to a precast concrete foundation for an assembled container board house.

Background

In recent years, novel coronavirus continuously spreads, a large number of shelter hospitals or isolation points are urgently built in various places in order to control epidemic situations, and an assembly type container board house is generally adopted to build in order to accelerate the construction progress. The assembled container board house generally uses a light steel structure as a framework, a sandwich board as a containment material, plane and space combination is carried out by using a standard modulus, and the components are connected by bolts, so that the assembled container board house can be conveniently and quickly assembled and disassembled and is convenient to transport.

The assembled container plate house has lighter weight and low requirement on the bearing capacity of the foundation, and the common foundation forms are a cast-in-place concrete strip foundation and a brick strip foundation. The construction speed of the cast-in-place concrete strip foundation is high, but the next construction can be carried out after the concrete reaches a certain strength; the brick bar foundation construction speed is low, the requirement of workers is large, and the two common foundation forms restrict the construction progress of a site to a certain extent; meanwhile, the construction period is short, the control difficulty of the on-site construction quality is high, and the engineering quality is relatively low; since the shelter hospitals or isolation points are all emergency tasks, construction is carried out while designing, and the change possibility is high.

The foundation form is extremely difficult to rectify and reform on site after construction; some shelter hospitals or isolation points occupy farmland, and the foundation is formed to have great influence on land during later dismantling. Therefore, it is urgent to design a precast concrete foundation for an assembled container board house.

Disclosure of Invention

In order to solve the technical problem above, this application provides a precast concrete basis for assembled container board house, traditional cast-in-place concrete bar basis, brick bar basis are compared in this application have of high quality, the construction is fast, adjustable, easily demolish the advantage, have extensive practicality, can solve the corresponding shortcoming of cast-in-place concrete bar basis, brick bar basis that provide in the above-mentioned background art.

The technical problem of the application is realized through the following technical scheme: a precast concrete foundation for an assembled container board house comprises precast concrete, stressed steel bars, bolts, transverse anchor bars, steel plates and weight reducing blocks;

the stressed steel bars are arranged in the bottom area of the precast concrete;

the bolt is vertically embedded in the top surface of the precast concrete;

the transverse anchor bars are embedded in the precast concrete;

the steel plate is arranged on the top edge of the precast concrete;

the weight reducing block is arranged inside the precast concrete.

Further, the precast concrete bottom is a square base layer.

Furthermore, the number of the bolts is two, and the bolts are respectively distributed on the vertical plane of the central line of the precast concrete side by side.

Furthermore, the number of the transverse anchor bars is two, and the transverse anchor bars are arranged on the same horizontal plane in the precast concrete in parallel.

Furthermore, the number of the weight reducing blocks is four, and the weight reducing blocks are symmetrically arranged on two sides of the vertical plane of the two middle lines of the precast concrete respectively.

Further, the weight reducing block is made of polystyrene foam boards.

Furthermore, vertical anchor bars are arranged at the bottoms of the steel plates and are buried in the precast concrete.

Further, the bottom side of the precast concrete is 500mm, and the height of the precast concrete is 300mm.

Further, the stressed steel bars are in a cross grid structure with 4-by-4 branches.

In summary, the present application has the following beneficial effects:

(1) This application compares with traditional cast-in-place concrete bar form basis, brick bar form basis: the precast concrete foundation is industrially produced in a precast member factory, the maintenance condition is good, the strength and the quality of the concrete are higher, and the quality problem of cast-in-place concrete or masonry engineering caused by construction period can be avoided;

(2) The precast concrete foundation can be directly purchased from a precast component factory and transported to the site to be installed, and the flow construction of three main processes of leveling a field, hoisting the foundation and installing an assembled container plate house can be realized, so that the influence of the foundation construction on the subsequent operation is avoided, and the construction period is greatly shortened;

(3) The precast concrete foundation can be carried secondarily on a construction site, so that great flexibility is improved for adjustment of a shelter hospital or an isolation point, and difficulty in changing, adjusting, upgrading and transforming in the construction process or after construction is greatly reduced; the planning and site selection of the shelter hospital or the isolation point is generally short, the situation that the shelter hospital or the isolation point occupies a large amount of farmland exists, the precast concrete foundation can be directly hoisted and removed after being removed in the shelter hospital or the isolation point, and the occupied land is almost not influenced.

Drawings

FIG. 1 is a schematic view of a precast concrete foundation structure of the present invention;

FIG. 2 is a schematic view of a precast concrete foundation reinforcement of the present invention;

FIG. 3 is a schematic plan view of a precast concrete foundation of the present invention;

fig. 4 is a schematic sectional view of a precast concrete foundation according to the present invention.

Description of the reference numerals:

1. prefabricating concrete; 2. stressed steel bars; 3. a bolt; 4. transverse anchor bars; 5. a steel plate; 6. weight reducing blocks, 7 and vertical anchor bars.

Detailed Description

The present application is described in further detail below with reference to figures 1-4. The utility model provides a precast concrete basis for assembled container board house, includes precast concrete 1, atress reinforcing bar 2, bolt 3, horizontal anchor 4, steel sheet 5 and subtracts heavy piece 6.

The stressed steel bars 2 are arranged in the bottom area of the precast concrete 1; the bolts 3 are vertically embedded in the top surface of the precast concrete 1; the transverse anchor bars 4 are embedded in the precast concrete 1; the steel plate 5 is arranged on the top side of the precast concrete 1; the weight reducing block 6 is disposed inside the precast concrete 1.

As shown in fig. 2, the bottom of the precast concrete 1 is a square base layer, so that the precast concrete foundation is uniformly stressed and has a stable structure, and the structure of the square base can also improve the fault tolerance rate during installation and improve the efficiency.

As shown in fig. 1 and 3, two bolts 3 are arranged and respectively distributed side by side on the vertical plane of the center line of the precast concrete 1, and the embedding length of the bolts 3 is usually not less than half of the height of the precast concrete 1, so as to ensure that the bolts can bear the weight of the concrete 1 as a standard; the two bolts 3 cooperate with corresponding lifting appliances as lifting points, and the transverse anchor bars 4 connected with the bolts 3 provide tensile resistance through the connection with the precast concrete 1.

As shown in fig. 4, the number of the transverse anchor bars 4 is two, the transverse anchor bars 4 are arranged in parallel on the same horizontal plane inside the precast concrete 1, and the transverse anchor bars 4 are arranged at the bottoms of the two bolts 3 in a penetrating manner.

As shown in fig. 3, the number of the weight reducing blocks 6 is four, and the four weight reducing blocks are symmetrically arranged on two sides of the vertical plane of the two center lines of the precast concrete 1 respectively to balance the weight distribution of the whole concrete foundation 1.

The weight reducing blocks 6 are made of polystyrene foam plates, other light foaming materials with certain strength can be used, the required weight of the precast concrete foundation is calculated according to actual requirements, and the weight reducing blocks 6 with proper size and density are selected.

As shown in fig. 1, the bottom of the steel plate 5 is provided with a vertical anchor bar 7, the vertical anchor bar 7 is embedded in the precast concrete 1, and when the precast concrete foundation is arranged under an outer wall, a new steel plate can be welded on the steel plate 5 on site to be connected with an assembled container plate house.

In the embodiment, the bottom side length of the precast concrete 1 is more than or equal to 500mm, the height of the precast concrete is more than or equal to 300mm, the height of the weight reducing block 6 filled inside the precast concrete is within 100mm to 200mm, and the bottom side length is preferably designed to be 500mm, and the height is preferably designed to be 300mm.

As shown in fig. 2, the stressed steel bars 2 are in a 4-by-4 cross grid structure, and provide bottom stressed support for the whole precast concrete foundation.

The above description is merely exemplary of the present application and is provided to enable those skilled in the art to understand and implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a precast concrete basis for assembled container board house which characterized in that: the steel plate reinforced concrete structure comprises precast concrete (1), stressed steel bars (2), bolts (3), transverse anchor bars (4), steel plates (5) and weight reducing blocks (6);

the stressed steel bars (2) are arranged in the bottom area of the precast concrete (1);

the bolts (3) are vertically embedded in the top surface of the precast concrete (1);

the transverse anchor bars (4) are embedded in the precast concrete (1);

the steel plate (5) is arranged on the top side of the precast concrete (1;

the weight reducing block (6) is arranged inside the precast concrete (1);

the two bolts (3) are arranged and are respectively distributed on the vertical plane of the central line of the precast concrete (1) side by side;

the embedding length of the bolt (3) is not less than half of the height of the precast concrete (1), and the weight of the precast concrete (1) can be guaranteed to be standard; the two bolts (3) are matched with corresponding lifting appliances to serve as lifting points, and the transverse anchor bars (4) connected with the bolts (3) provide tensile resistance through connection of the transverse anchor bars and the precast concrete (1).

2. A precast concrete foundation for an assembled container board house according to claim 1, wherein: the bottom of the precast concrete (1) is a square basal layer.

3. A precast concrete foundation for an assembled container board house according to claim 1, wherein: the number of the transverse anchor bars (4) is two, and the two transverse anchor bars are arranged on the same horizontal plane inside the precast concrete (1) in parallel.

4. A precast concrete foundation for an assembled container board house according to claim 1, wherein: the number of the weight reducing blocks (6) is four, and the four weight reducing blocks (6) are symmetrically arranged on two sides of the vertical plane of the two central lines of the precast concrete (1) respectively.

5. The precast concrete foundation for assembled container board house of claim 4, wherein: the weight reducing block (6) is made of a polystyrene foam board.

6. A precast concrete foundation for an assembled container plate house according to any one of claims 1 to 5, wherein: vertical anchor bars (7) are arranged at the bottom of the steel plate (5), and the vertical anchor bars (7) are buried in the precast concrete (1).

7. The precast concrete foundation for assembled container board house of claim 6, wherein: the bottom side of the precast concrete (1) is 500mm in length and the height of the precast concrete is 300mm.

8. The precast concrete foundation for an assembled container board house of claim 6, wherein: the stressed steel bars (2) are of a 4-by-4 cross grid structure.