CN217352911U - Multilayer prefabricated reinforced concrete box house connected node - Google Patents

Abstract

Multilayer prefabricated reinforced concrete box room connected node, four angles in the bottom of box room main part are the post-cast district, arrange a plurality of vertically lower joint bars in the post-cast district, with the ground joint bar welded fastening of the last joint bar of below box room main part or ground. The utility model discloses be applied to in the construction of multilayer prefabricated reinforced concrete box room, can greatly increase the joint strength between the box room layer, make the multilayer box room have good antidetonation, the durability becomes possible.

Description

Multilayer prefabricated reinforced concrete box house connecting node

Technical Field

The utility model relates to a prefabricated reinforced concrete box room technical field specifically is multilayer prefabricated reinforced concrete box room connected node.

Background

The prefabricated reinforced concrete box house is formed by assembling and assembling unit modules such as floors, wall surfaces and the like of the box house manufactured in a factory building by using reinforced concrete on a construction site. Compared with the traditional construction on site, the construction period can be saved by 80-90%. Compare the container room of steel construction, have structural strength height again, corrosion resistance is good, advantages such as longe-lived, wide application in construction building site office, dormitory, the room for the field exploration operation, occasions such as tourism leisure area vacation room.

At present, the prefabricated reinforced concrete box house is widely applied in coastal areas, is combined into a multi-compartment and multi-layer single building through the box house, and is mostly single-layer or two-layer. The existing prefabricated reinforced concrete box house also has the following defects: because it lacks the interlayer connection structure of traditional building, only sit the thick liquid transition with cement mortar between case room and the basis, the upper and lower case room, do not have reliable connected mode, consequently only can be used for the single, simple and easy interim room of using of function. However, as the demand of the box room combined single building increases, the types of the buildings are variable and have different importance, and the demand of the multi-layer prefabricated reinforced concrete box room is on the rise. But the existing multilayer box house connecting structure is difficult to meet the requirements of earthquake resistance and durability.

The prior documents about the prefabricated reinforced concrete box house connecting node are retrieved as follows: key words: reinforced concrete box house, prefabricated reinforced concrete house, connection and vertical

1. A prefabricated reinforced concrete building frame; CN 201922485422.3; a prefabricated reinforced concrete building frame comprising: the prefabricated beam comprises prefabricated columns, prefabricated beams and prefabricated plates, wherein the prefabricated columns are connected with a foundation beam or a basement top plate through first connecting pieces, the prefabricated columns are connected with the prefabricated beams through second connecting pieces, and the prefabricated beams are connected with the prefabricated plates through third connecting pieces. The utility model discloses a first connecting piece, second connecting piece, third connecting piece realize the quick link between foundation beam (basement roof), prefabricated post, prefabricated beam and the prefabricated plate, at a small amount of pouring of junction again, alright accomplish whole work progress, reduced cast-in-place work load, very big reduction the time limit for a project to can reduce site operation personnel's quantity, practice thrift engineering cost.

2. A fully prefabricated and assembled integrated reinforced concrete house and a construction method thereof; CN 201010147499.0; a fully prefabricated assembled integral reinforced concrete house comprising: a plurality of column dowel bars which are arranged at intervals and are respectively fixedly connected with the foundation; a plurality of modularly prefabricated columns; a plurality of walls prefabricated by modules; and a floor slab prefabricated by the modules. The invention aims to overcome the defects in the prior art and provide the fully-prefabricated integral reinforced concrete house which is simple in structure, convenient to install, rapid in construction and good in overall safety performance, and saves building materials. Another object of the invention is to provide a method of constructing a house as described above.

The above documents disclose connection structures relating in part to prefabricated reinforced concrete houses, but the above problems still remain, and the connection structures are complicated, which is disadvantageous for improving the progress of works and reducing construction costs.

Disclosure of Invention

The utility model aims at providing a multilayer prefabricated reinforced concrete box room connected node is applied to multilayer prefabricated reinforced concrete box room construction, can greatly increase the joint strength between the box room layer, makes multilayer box room have good antidetonation, and the durability becomes possible.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

multilayer precast reinforced concrete box room connected node, four angles in the bottom of box room main part are the district of watering after, water after and arrange a plurality of vertically lower joint bars in the district, with the last joint bar of below box room main part or the ground joint bar welded fastening of ground.

The edge of the top surface of the box house main body is provided with a frame-shaped rib, and a top plate is poured on the top surface of the box house main body.

The lower joint bars and the upper joint bars or the foundation joint bars are welded with the fixed sections, and a plurality of horizontal short bars are horizontally welded.

The length of the welding and fixing section of the lower joint bar and the upper joint bar or the foundation joint bar is 10 times larger than the diameter of the steel bar.

And the lower dowel bars and the upper dowel bars are connected by extending from the concrete of the respective box house main bodies in a pre-buried manner.

The construction method of the utility model comprises the following steps:

(1) the prefabricated box house is prefabricated in a factory, a post-pouring area and upper and lower joint bars of a shear wall are reserved at the corner part, and the reserved section and the number of the joint bars need to meet the requirements of integral calculation on shear resistance and construction requirements;

(2) the single body construction site pouring foundation and foundation beam and reserving foundation joint bar;

(3) after the strength of the prefabricated box house meets the requirement, the box body is transported to the site and is hoisted;

(4) after welding the lower joint bar of the first layer of box body and the foundation joint bar, pouring a post-pouring area;

(5) and pouring a top plate of the first-layer box body, placing a second-layer box body on the top plate of the first-layer box body after the top plate is solidified and hardened, and pouring a post-pouring area after the lower joint bars of the upper-layer box body and the upper joint bars of the lower-layer box body are welded, so that a box body above the upper side is built in a circulating manner.

The utility model has the advantages that:

(1) the utility model discloses in using the construction of multilayer prefabricated reinforced concrete box room, because the existence and the fixed of dowel about the post-cast region, vertical connected node has guaranteed the vertical continuity of box room wall body, not only can improve the overall structure safety of simple and easy temporary building, is also suitable for equally to the more important building that geological conditions is changeable, has the requirement of seismic fortification, satisfies the changeable demand of building form and function simultaneously.

(2) The utility model discloses nodal connection construction simple process guarantees that reinforcing bar counterpoint welding and secondary are pour and can be realized.

Description of the drawings:

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic view of the appearance structure of the utility model after assembly construction;

FIG. 3 is a schematic structural diagram of the appearance of the single-unit box house;

FIG. 4 is a schematic view of a connection structure of upper and lower joint bars in a post-cast area;

the serial numbers and component names in the figures are: 1. a box house main body; 2. lower joint bars; 3. a frame-shaped rib; 4. inserting ribs; 5. inserting ribs into the foundation; 6. a foundation; 7. a top plate; 8. post-pouring area; 9. horizontal short ribs.

Detailed Description

Example 1

The multi-layer prefabricated reinforced concrete box house connecting joint is characterized in that four corners at the bottom of a box house main body 1 are post-pouring areas 8, a plurality of vertical lower joint bars 2 are arranged in the post-pouring areas 8, and the post-pouring areas are welded and fixed with upper joint bars 4 of a box house main body 1 below or foundation joint bars 5 of a foundation 6;

the edge of the top surface of the box house main body 1 is provided with a frame-shaped rib 3, and a top plate is poured on the top surface of the box house main body 1;

the lower joint bars 2 and the upper joint bars 4 or the foundation joint bars 5 are welded at fixed sections, and a plurality of horizontal short bars 9 are horizontally welded;

the length of the welding fixed section of the lower joint bar 2 and the upper joint bar 4 or the foundation joint bar 5 is more than 10 times of the diameter of the steel bar;

the lower joint bar 2 and the upper joint bar 4 are connected with the concrete steel bar net in the box house main body 1.

Claims (5)

1. Multilayer prefabricated reinforced concrete box house connected node, its characterized in that: four angles in the bottom of box room main part (1) are post-cast district (8), arrange a plurality of vertically lower joint bars (2) in post-cast district (8), with the foundation joint bar (5) welded fastening of last joint bar (4) of below box room main part (1) or foundation (6).

2. The multi-layer precast reinforced concrete box house connection node of claim 1, characterized in that: the edge of the top surface of the box house main body (1) is provided with a frame-shaped rib (3), and a top plate is poured on the top surface of the box house main body (1).

3. The multi-layer precast reinforced concrete box house connection node of claim 1, characterized in that: the lower joint bar (2) and the upper joint bar (4) or the foundation joint bar (5) are welded with the fixed sections, and a plurality of horizontal short bars (9) are horizontally welded.

4. The multi-layer precast reinforced concrete box house connection node of claim 1, characterized in that: the length of the welded and fixed section of the lower joint bar (2) and the upper joint bar (4) or the foundation joint bar (5) is 10 times larger than the diameter of the steel bar.

5. The multi-layer precast reinforced concrete box house connection node of claim 1, characterized in that: the lower joint bars (2) and the upper joint bars (4) are connected with the concrete middle steel bar nets of the respective box house main bodies (1).

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