CN212224198U - Concrete prefabricated PC house unit - Google Patents
Concrete prefabricated PC house unit Download PDFInfo
- Publication number
- CN212224198U CN212224198U CN202020140991.4U CN202020140991U CN212224198U CN 212224198 U CN212224198 U CN 212224198U CN 202020140991 U CN202020140991 U CN 202020140991U CN 212224198 U CN212224198 U CN 212224198U
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- China
- Prior art keywords
- precast concrete
- concrete
- prefabricated
- buried
- reinforcement cage
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000004567 concrete Substances 0.000 title claims description 39
- 239000011178 precast concrete Substances 0.000 claims abstract description 66
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 59
- 239000010959 steel Substances 0.000 claims abstract description 59
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 15
- 230000002787 reinforcement Effects 0.000 claims description 45
- 210000003205 muscle Anatomy 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 19
- 238000000034 method Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
Images
Abstract
The utility model provides a precast concrete PC house unit, precast concrete post and precast concrete roof beam structure as an organic whole, the both sides of precast concrete post lower extreme all are provided with down reserves and expose the groove, reserve down and expose the inslot along vertical pre-buried connected node that is provided with, pre-buried connected node includes lower embedded steel bar, outer sleeve and reinforcing bar thread bush, outer sleeve one end is pre-buried in precast concrete post, the other end is arranged in and is reserved down and expose the inslot, reinforcing bar thread bush arranges the outer sleeve in, one end threaded connection with lower embedded steel bar, the other end of lower embedded steel bar is pre-buried in precast concrete post, be provided with the through-hole on the lateral wall of outer sleeve, the both sides of precast concrete post upper end all are provided with and reserve and expose the groove, on reserve and expose the ins. The utility model discloses a mill is prefabricated, reduces construction cost, improves construction quality, adopts pre-buried connected node to improve the efficiency of connection and the stability and the intensity after connecting.
Description
Technical Field
The utility model relates to a building technical field especially indicates a precast concrete PC house unit.
Background
The prefabricated building comprises a plurality of house units, the existing house units are usually prefabricated PC parts and are transported to a construction site to be assembled on the construction site, the house units are formed by cast-in-place at connecting nodes, and the house units are combined into the prefabricated building, so that the construction progress is influenced, and the construction quality cannot be guaranteed; and current low-rise prefabricated building, the assembly of different floors and the assembly between floor and the ground have the relatively poor problem of stability and intensity.
SUMMERY OF THE UTILITY MODEL
The utility model provides a concrete prefabricated PC house unit, which adopts factory prefabrication and on-site hoisting to reduce the construction cost and improve the construction quality; the pre-buried connecting nodes are adopted to facilitate connection between the upper floor and the lower floor and between the floors and the foundation, so that the connection efficiency is improved, and the stability and the strength after connection are improved.
The technical scheme of the utility model is realized like this: a concrete prefabricated PC house unit comprises a prefabricated concrete frame, wherein the prefabricated concrete frame comprises a plurality of vertical prefabricated concrete columns, a prefabricated concrete beam is arranged at the upper end between every two adjacent prefabricated concrete columns, the prefabricated concrete columns and the prefabricated concrete beam are of an integrated structure, lower reserved exposed grooves are formed in two sides of the lower end of each prefabricated concrete column, embedded connection nodes are vertically arranged in the lower reserved exposed grooves and comprise lower embedded steel bars, an outer sleeve and a steel bar threaded sleeve, one end of the outer sleeve is embedded in each prefabricated concrete column in advance, the other end of the outer sleeve extends out of each lower reserved exposed groove, the steel bar threaded sleeve is arranged in the outer sleeve and is in threaded connection with one end of each lower embedded steel bar, the other end of each lower embedded steel bar is embedded in each prefabricated concrete column in advance, through holes are formed in the side wall of the outer sleeve, upper reserved exposed grooves are formed in two sides, an upper embedded steel bar is arranged in the upper reserved exposed groove.
Further, a precast concrete PC house unit still includes the ground, is provided with pre-buried connecting reinforcement corresponding to the position of precast concrete post on the ground, and pre-buried connecting reinforcement links to each other with reinforcing bar screw sleeve screw thread, is provided with horizontally pre-buried steel reinforcement cage on the ground between the adjacent precast concrete post.
Furthermore, a column steel reinforcement cage is pre-embedded in the precast concrete column along the axial direction, a beam steel reinforcement cage is pre-embedded in the precast concrete beam along the axial direction, the intersection of the column steel reinforcement cage and the beam steel reinforcement cage is fixedly connected, the column steel reinforcement cage comprises a construction steel and a hoop steel sleeved on the outer side of the construction steel, the end part of the construction steel in the upper reserved exposed groove is the upper pre-embedded steel, and the end part of the construction steel in the lower reserved exposed groove is the lower pre-embedded steel.
Furthermore, a lower connecting beam is arranged between the lower ends of the adjacent precast concrete columns, an exposed reinforcement cage is reserved at the lower end of the lower connecting beam, and the exposed reinforcement cage is connected with the embedded reinforcement cage.
Further, a concrete prefabricated PC room unit still includes the precast concrete floor who sets up in precast concrete roof beam upper end.
And furthermore, a precast concrete wallboard is arranged between the adjacent precast concrete columns.
The utility model has the advantages that:
the utility model is suitable for three-layer and below prefabricated houses, the PC house unit is prefabricated in factory, hoisted on site, reduces construction cost, is convenient for popularization, is green and environment-friendly, saves energy and improves construction quality; the pre-buried connecting nodes are adopted to facilitate connection between the upper floor and the lower floor and between the floors and the foundation, so that the connection efficiency is improved, and the stability and the strength after connection are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of D in FIG. 1;
FIG. 3 is a schematic structural view of a reinforcement cage;
FIG. 4 is a schematic view of the outer sleeve;
FIG. 5 is a schematic view of an assembly structure of a two-layer precast concrete frame;
FIG. 6 is a top view of the foundation;
FIG. 7 is a front view of the foundation;
FIG. 8 is a schematic structural view of a precast concrete floor slab;
fig. 9 is a schematic structural view of a precast concrete wall panel.
The prefabricated concrete post 1, the prefabricated concrete roof beam 2, post steel reinforcement cage 3, beam steel reinforcement cage 4, reserve down and expose groove 5, lower embedded steel 6, outer sleeve 7, reinforcing bar thread bush 8, through-hole 9, on reserve and expose groove 10, go up embedded steel 11, structure muscle 12, ground 13, pre-buried connecting reinforcement 14, pre-buried steel cage 15, lower tie-beam 16, connecting reinforcement cage 17, precast concrete floor 18, precast concrete wallboard 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
Example one
As shown in fig. 1-5, a concrete prefabricated PC house unit, including the precast concrete frame, the precast concrete frame includes a plurality of vertical precast concrete post 1, and the upper end between the adjacent precast concrete post 1 is provided with precast concrete beam 2, and pre-buried post steel reinforcement cage 3 has along the axial in the precast concrete post 1, and pre-buried beam steel reinforcement cage 4 has along the axial in the precast concrete beam 2, and the crossing department of post steel reinforcement cage 3 and beam steel reinforcement cage 4 links to each other through the reinforcing bar is fixed, and precast concrete post 1 and precast concrete beam 2 structure as an organic whole.
Both sides of 1 lower extreme of precast concrete post all are provided with down the reservation and expose groove 5, it exposes along vertical being provided with pre-buried connected node in the groove 5 to reserve down, pre-buried connected node includes embedded steel bar 6 down, outer sleeve 7 and reinforcing bar thread bush 8, 7 one end of outer sleeve is pre-buried in precast concrete post 1, the other end is arranged in and is reserved down and expose in the groove 5, reinforcing bar thread bush 8 is arranged in outer sleeve 7, with the one end threaded connection of embedded steel bar 6 down, the other end of embedded steel bar 6 is pre-buried in precast concrete post 1 down, be provided with through-hole 9 on the lateral wall of outer sleeve 7, the both sides of 1 upper end of precast concrete post all are provided with on the reservation and expose groove 10, on reserve. The column reinforcement cage 3 comprises a construction bar 12 and a stirrup sleeved outside the construction bar 12, the end part of the construction bar 12 in the upper reserved exposed groove 10 is an upper embedded bar 11, and the end part of the construction bar 12 in the lower reserved exposed groove 5 is a lower embedded bar 6.
The application method of the embodiment comprises the following steps: according to the structure of the precast concrete frame, the column reinforcement cage 3 and the beam reinforcement cage 4 are fixed together to form a reinforcement frame, then the outside fixed formwork of the reinforcement frame is used for carrying out concrete pouring in a factory, and one-step forming of the beam column frame is realized. Then the beam column frame is transported to a construction site for assembly, when the upper beam column frame and the lower beam column frame are assembled, the upper embedded steel bars 11 of the lower beam column frame are inserted into the outer sleeve 7, the steel bar threaded sleeves 8 of the upper beam column frame are rotated through the through holes 9, the connection of the steel bar threaded sleeves 8 and the upper embedded steel bars 11 is achieved, grouting holes and grout outlet holes are further formed in the outer sleeve 7, and concrete is poured into the outer sleeve 7, the upper exposed groove 10 and the lower exposed groove 5, so that the connection of the upper beam column frame and the lower beam column frame is achieved.
Example two
This embodiment is substantially the same as the first embodiment, except that: as shown in fig. 6 and 7, the concrete prefabricated PC room unit further comprises a foundation 13, embedded connecting bars 14 are fixed on the foundation 13 corresponding to the positions of the prefabricated concrete columns 1, the embedded connecting bars 14 are in threaded connection with the steel threaded sleeves 8, and horizontal embedded steel reinforcement cages 15 are arranged on the foundation 13 between the adjacent prefabricated concrete columns 1. Through pre-buried connecting reinforcement 14 and 8 threaded sleeves of reinforcing bar, then concreting realizes that pre-buried reinforcing bar cage 15, pre-buried connecting reinforcement 14 and the fixed of reserving down and exposing groove 5 link to each other, realize the stability and the intensity that beam column frame is connected with ground 13.
EXAMPLE III
This embodiment is substantially the same as the first or second embodiment, except that: as shown in fig. 1 and 3, a lower connecting beam 16 is fixed between the lower ends of the adjacent precast concrete columns 1, a connecting reinforcement cage 17 is embedded in the lower connecting beam 16, the connecting reinforcement cage 17 is fixedly connected with the column reinforcement cage 3 through a reinforcement, and the connecting reinforcement cage can be cast and molded together with the beam column framework. The lower end of the connecting reinforcement cage 17 forms an exposed reinforcement cage for the poured part. When the beam column framework is connected with the foundation 13, the exposed reinforcement cage is fixedly connected with the embedded reinforcement cage 15, and then concrete is poured to further enhance the stability and strength of connection; and the lower connecting beam 16 is also beneficial to hoisting the beam-column frame, so that the beam-column frame is prevented from deforming in the hoisting process.
Example four
This embodiment is substantially the same as the first or second embodiment, except that: as shown in fig. 8 and 9, the concrete prefabricated PC room unit further comprises a precast concrete floor slab 18 arranged at the upper end of the precast concrete beam 2, a stair opening is formed in the precast concrete floor slab 18 as required, precast concrete wallboards 19 are arranged between the adjacent precast concrete columns 1, the number of the precast concrete wallboards 19 is determined according to actual requirements, and can be 0, 2, 3 or four, and the like, and if the precast concrete columns 1 have the precast concrete wallboards 19, the lower connecting beam 16 is not arranged.
The side wall of the precast concrete column 1 is reserved with an unfired part, the side wall of the precast concrete wallboard 19 is reserved with exposed steel bars, the exposed steel bars are fixedly connected with the exposed part of the column steel bar cage 3, the lower end of the beam steel bar cage 4 of the precast concrete beam 2 is reserved with an unfired part, the upper end of the precast concrete wallboard 19 is also reserved with exposed steel bars, the exposed steel bars are fixedly connected with the exposed part of the beam steel bar cage 4, and finally concrete pouring is carried out on the corresponding parts to realize the fixing of the precast concrete wallboard 19.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a precast concrete PC house unit, includes the precast concrete frame, the precast concrete frame includes a plurality of vertical precast concrete columns, and the upper end between the adjacent precast concrete column is provided with precast concrete beam, its characterized in that: precast concrete post and precast concrete roof beam structure as an organic whole, the both sides of precast concrete post lower extreme all are provided with down reserves and expose the groove, reserve down and expose the inslot and follow vertical pre-buried connected node that is provided with down, pre-buried connected node includes pre-buried reinforcing bar down, outer sleeve and reinforcing bar thread bush, outer sleeve one end is pre-buried in precast concrete post, the other end stretches out and reserves down and exposes the groove, reinforcing bar thread bush arranges the outer sleeve in, with the one end threaded connection of pre-buried reinforcing bar down, the other end of pre-buried reinforcing bar is pre-buried in precast concrete post down, be provided with the through-hole that is used for screwing up reinforcing bar thread bush on the lateral wall of outer sleeve, the both sides of precast concrete post upper end all are.
2. A concrete prefabricated PC room unit according to claim 1, characterised in that: the prefabricated concrete column embedded steel bar foundation is characterized by further comprising a foundation, embedded connecting steel bars are arranged on the foundation corresponding to the positions of the prefabricated concrete columns, the embedded connecting steel bars are in threaded connection with the steel bar threaded sleeves, and horizontal embedded steel bar cages are arranged on the foundation between the adjacent prefabricated concrete columns.
3. A concrete prefabricated PC room unit according to claim 1 or 2, characterised in that: the prefabricated concrete post is embedded with post steel reinforcement cage along the axial in advance, and embedded with roof beam steel reinforcement cage along the axial in the prefabricated concrete roof beam, the crossing department of post steel reinforcement cage and roof beam steel reinforcement cage is fixed continuous, and post steel reinforcement cage includes that structure muscle and suit are at the stirrup in the structure muscle outside, and the structure muscle tip that exposes the inslot on reserving is upper embedded steel bar, and the structure muscle tip that exposes the inslot is lower embedded steel bar for reserving down.
4. A concrete prefabricated PC room unit according to claim 2, characterised in that: and a lower connecting beam is arranged between the lower ends of the adjacent precast concrete columns, an exposed reinforcement cage is reserved at the lower end of the lower connecting beam, and the exposed reinforcement cage is connected with the embedded reinforcement cage.
5. A concrete prefabricated PC room unit according to claim 1, characterised in that: the prefabricated concrete beam is characterized by further comprising a prefabricated concrete floor slab arranged at the upper end of the prefabricated concrete beam.
6. A concrete prefabricated PC room unit according to claim 1, characterised in that: and a precast concrete wallboard is arranged between the adjacent precast concrete columns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020140991.4U CN212224198U (en) | 2020-01-20 | 2020-01-20 | Concrete prefabricated PC house unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020140991.4U CN212224198U (en) | 2020-01-20 | 2020-01-20 | Concrete prefabricated PC house unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212224198U true CN212224198U (en) | 2020-12-25 |
Family
ID=73913884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020140991.4U Expired - Fee Related CN212224198U (en) | 2020-01-20 | 2020-01-20 | Concrete prefabricated PC house unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212224198U (en) |
-
2020
- 2020-01-20 CN CN202020140991.4U patent/CN212224198U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |