CN111648556A - Laminated precast concrete elevator shaft way connecting device - Google Patents
Laminated precast concrete elevator shaft way connecting device Download PDFInfo
- Publication number
- CN111648556A CN111648556A CN202010605748.XA CN202010605748A CN111648556A CN 111648556 A CN111648556 A CN 111648556A CN 202010605748 A CN202010605748 A CN 202010605748A CN 111648556 A CN111648556 A CN 111648556A
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- CN
- China
- Prior art keywords
- elevator shaft
- prefabricated
- segment
- precast concrete
- prefabricated elevator
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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.)
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- 239000011178 precast concrete Substances 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 24
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 8
- 239000011440 grout Substances 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 3
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 3
- 239000011083 cement mortar Substances 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 239000008397 galvanized steel Substances 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 6
- 239000011449 brick Substances 0.000 description 5
- 239000002699 waste material Substances 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/005—Lift shafts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/388—Separate connecting elements
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The laminated precast concrete elevator shaft connecting device comprises a floor plate, a floor beam, an extruded sheet, a corrugated pipe, a reinforcing steel bar, grouting material, an upper section precast elevator shaft, a lower section precast elevator shaft and mortar; the prefabricated elevator shaft of upper segment and lower segment, prefabricated elevator shaft of lower segment and floor beam difference fixed connection are between prefabricated elevator shaft of upper segment and the floor beam of upper strata to extruded sheet, and the bellows is arranged at prefabricated elevator shaft top of upper segment and floor beam bottom portion of upper segment, and the reinforcing bar is arranged in the bellows, and the grout material is arranged in the bellows, and the mortar is arranged between prefabricated elevator shaft of upper segment and lower segment and between prefabricated elevator shaft of lower segment and floor plate, prefabricated elevator shaft of upper segment and lower segment, prefabricated elevator shaft of lower segment and floor beam respectively. The invention has the advantages of simple process, convenient installation, reliable quality, little wet operation on site, no generation of building rubbish, meeting various requirements of assembly type buildings and the like.
Description
Technical Field
The invention relates to a laminated precast concrete elevator shaft way, in particular to a laminated precast concrete elevator shaft way connecting device.
Background
With the continuous improvement of the economic level and the construction level of China, more and more multi-storey, high-rise and super high-rise buildings appear, and elevators are indispensable equipment. The multi-story and high-rise buildings usually adopt structural systems such as frames, frames and shear walls, elevator shafts in the structures such as the frames, the frames and the shear walls generally adopt bricked or prefabricated wallboards to form shafts on floor beams (except for adopting cast-in-place concrete load-bearing shear walls as the shafts), and the adoption of the bricked shafts or the prefabricated wallboards has the following defects: firstly, the procedure of bricking the elevator well is various, labor and time are wasted, the influence of human factors is large, and the quality is difficult to ensure. Secondly, cast-in-place concrete constructional columns and ring beams need to be arranged at certain intervals in the brick elevator shaft, the space in the elevator shaft is narrow, and the templates of cast-in-place components are difficult to support and disassemble, so that safety accidents are easy to occur. And thirdly, the brick elevator shaft is adopted, so that the field wet operation is more, the process is complex, the efficiency is low, and the energy conservation and the environmental protection are not facilitated. And fourthly, the shaft is assembled by adopting the prefabricated wall boards, the field assembling times are more, the assembling joints are more, the connection between the wall boards is more, the integrity of the shaft is not good, although the shaft is greatly improved compared with the brick shaft, the larger field workload still exists, and the efficiency is still to be improved. Elevator equipment is generally purchased after the construction of the shaft is completed, so that the hole positions of a calling box, an interlayer display box and the like of the elevator need to be drilled on site in the upper and lower stages of a brick shaft or a prefabricated wallboard shaft, the field workload is increased, and the construction quality is influenced.
In recent years, the development of fabricated buildings is faster and faster, the market demand for fabricated parts is stronger and stronger, but no precast concrete elevator shaft products are seen, and meanwhile, the problem to be researched and solved is how to connect and install the products.
Disclosure of Invention
The invention aims to solve the technical problem of improving a laminated precast concrete elevator shaft connecting device which can overcome the defects of various working procedures, labor and time waste, poor integrity, difficult guarantee of construction quality, large environmental influence and the like of a brick laying or precast wallboard elevator shaft adopted in the current structural systems of multi-story and high-rise building frames, frame-shear walls and the like.
The technical scheme adopted by the invention for solving the technical problems is as follows: a laminated precast concrete elevator shaft connecting device comprises a floor plate, a floor beam, an extruded sheet, a corrugated pipe, reinforcing steel bars, grouting materials, an upper section precast elevator shaft, a lower section precast elevator shaft and mortar; prefabricated elevator well of upper segment arranges on the prefabricated elevator well of lower segment, the prefabricated elevator well of lower segment arranges on the floor panel, the floor panel arranges on the floor roof beam, the extruded sheet is arranged between the floor roof beam of prefabricated elevator well of upper segment and upper strata, the floor roof beam bottom of prefabricated elevator well top of upper segment and upper strata is arranged to the bellows, the reinforcing bar is arranged in the bellows, grout material arranges in the bellows, fills the hole between bellows and the reinforcing bar, the mortar is arranged between prefabricated elevator well of upper segment and lower segment and between prefabricated elevator well of lower segment and floor panel, prefabricated elevator well of upper segment and the prefabricated elevator well of lower segment, the prefabricated elevator well of lower segment and floor roof beam are respectively through connecting portion fixed connection.
Further, the connecting part comprises a threaded sleeve, a bolt and a connecting piece, the threaded sleeve is respectively arranged on the floor beam, the upper prefabricated elevator shaft and the lower prefabricated elevator shaft, and the connecting piece is assembled and connected with the threaded sleeve through the bolt.
Furthermore, the extruded sheet can adopt a flame-retardant extruded sheet.
Furthermore, the corrugated pipes are uniformly arranged at the top of the prefabricated elevator shaft of the upper section, 2 corrugated pipes are arranged on each side, and the positions of the corrugated pipes on the floor beam correspond to the positions of the corrugated pipes of the prefabricated elevator shaft of the upper section.
Furthermore, the diameter of the corrugated pipe is larger than or equal to 50mm and is not larger than 1/2 of the wall thickness of the prefabricated elevator shaft.
Further, the diameter of the steel bar is 15-20 mm, and the yield strength standard value is not lower than 400 MPa.
Furthermore, the grouting material can adopt cement-based grouting material or epoxy grouting material, and the compressive strength of the grouting material after solidification in 28 days is not lower than 80 MPa.
Further, the mortar is cement mortar, and the strength is not lower than the M15 grade.
Further, the threaded sleeve can be a threaded steel sleeve, the diameter of the threaded sleeve is not less than 16mm, and the length of the threaded sleeve is not less than 50 mm.
Furthermore, the bolt can adopt a common bolt or a high-strength bolt, the diameter of the bolt is matched with that of the threaded sleeve, and the length of the bolt is not less than 35mm and is not more than that of the threaded sleeve.
Furthermore, the connecting piece can be made of galvanized steel plates, 2 holes are symmetrically formed in the upper portion and the lower portion, the hole diameter of the connecting piece is matched with the diameter of the bolt, and the thickness of the connecting piece is not less than 10 mm.
The technical principle is as follows:
the invention adopts two connecting devices of 'corrugated pipe + reinforcing steel bar + grouting material' and connecting part ('threaded sleeve + bolt + connecting piece'), is assisted by materials such as extruded sheets and mortar, can install the laminated precast concrete elevator shaft at the required position of the building, meets the requirements of the assembled building in all installation links, and is simple, rapid and reliable in quality.
The invention can install the laminated precast concrete elevator shaft way in structural systems such as multi-story and high-rise building frames, frame-shear walls and the like, and has the following advantages: the process is simple, the installation is convenient and fast, the quality is reliable, only a small amount of wet operation is carried out on the site, no construction waste is generated, and various requirements of the assembly type building are met.
Drawings
FIG. 1 is an overall schematic view of a laminated precast concrete elevator shaft;
fig. 2 is a schematic structural view of an upper prefabricated elevator hoistway of the system of fig. 1;
fig. 3 is a schematic structural view of a lower prefabricated elevator hoistway of the system of fig. 1;
FIG. 4 is a cross-sectional elevation view of the system of FIG. 1;
FIG. 5 is an enlarged detail view of section A of FIG. 4;
FIG. 6 is a vertical cross-sectional view (parallel to the plane of the drawing) of the central portion of portion A in FIG. 4;
FIG. 7 is an enlarged detail view of portion B of FIG. 4
FIG. 8 is a vertical view of the portion B in FIG. 4 taken along the longitudinal section (vertical to the page) of the central portion of the bolt;
FIG. 9 is an enlarged detail view of section C of FIG. 4;
FIG. 10 is a vertical view of the portion C in FIG. 4 taken along the longitudinal section (vertical to the page) of the central portion of the bolt;
in the figure: 1. floor slab, 2, floor beam, 3, extruded sheet, 4, corrugated pipe, 5, reinforcing steel bar, 6, grouting material, 7, lifting hole, 8, upper prefabricated elevator shaft, 9, lower prefabricated elevator shaft, 10, mortar, 11, threaded sleeve, 12, bolt, 13, connecting piece, D-elevator shaft outside and E-elevator shaft inside.
Detailed Description
The invention is further explained with reference to the drawings and the embodiments.
Examples
Description of the drawings: the system of the laminated precast concrete elevator shaft consisting of the upper and the lower 2 sections of precast elevator shafts is shown as an example.
Referring to the attached drawings, the laminated precast concrete elevator shaft connecting device comprises a floor plate 1, a floor beam 2, an extruded sheet 3, a corrugated pipe 4, reinforcing steel bars 5, grouting materials 6, an upper section precast elevator shaft 8, a lower section precast elevator shaft 9 and mortar 10; prefabricated elevator well 8 of upper segment arranges on prefabricated elevator well 9 of lower segment, prefabricated elevator well 9 of lower segment arranges on floor panel 1, floor panel 1 arranges on floor beam 2, extruded sheet 3 arranges between prefabricated elevator well 8 of upper segment and floor beam 2 of upper strata, bellows 4 arranges in the prefabricated elevator well 8 top of upper segment and floor beam 2 bottom of upper strata, reinforcing bar 5 arranges central point in bellows 4, grout material 6 arranges in bellows 4, fills the hole between bellows 4 and reinforcing bar 5, mortar 10 arranges between prefabricated elevator well 8 of upper segment and prefabricated elevator well 9 of lower segment (be equipped with the tongue-and-groove between prefabricated elevator well 8 of upper segment and the prefabricated elevator well 9 of lower segment) and between prefabricated elevator well 9 of lower segment and floor panel 1, prefabricated elevator well 8 of upper segment and the prefabricated elevator well 9 of lower segment, The lower prefabricated elevator shaft 9 is fixedly connected with the floor beam 2 through connecting parts respectively.
In this embodiment, the connection portion includes a threaded sleeve 11, a bolt 12, and a connection member 13, the threaded sleeve 11 is respectively disposed on the floor beam 2, the upper prefabricated elevator shaft 8, and the lower prefabricated elevator shaft 9, and the connection member 13 is assembled and connected with the threaded sleeve 11 through the bolt 12.
In this embodiment, the prefabricated elevator well 8 of upper segment, the prefabricated elevator well 9 of lower segment have arranged hoisting hole 7 on.
In this embodiment, the extruded sheet 3 is a flame-retardant extruded sheet, and has a thickness of 20 mm. The extruded sheet 3 is used for filling a gap between the floor beam 2 and the upper prefabricated elevator shaft 9, and meanwhile, the extruded sheet 3 does not limit the stress deformation of the floor beam 2 and does not change the working principle of the existing structural stress system.
In this embodiment, the corrugated pipes 4 are uniformly arranged at the top of the prefabricated elevator shaft 9 at the upper section, 2 corrugated pipes are arranged on each side, and the positions of the corrugated pipes 4 on the floor beam 2 correspond to the positions of the corrugated pipes of the prefabricated elevator shaft 9 at the upper section.
In this embodiment, the diameter of the corrugated pipe 4 is 50mm, which is not larger than 1/2 of the wall thickness of the prefabricated elevator shaft. The corrugated pipe 4 is used for forming an independent local space, and is convenient for placing a reinforcing steel bar 5 and pouring grouting material 6 in the corrugated pipe at the later stage.
In this embodiment, the diameter of the steel bar 5 is 18mm, and the standard value of the yield strength is not lower than 400 MPa. The effect of reinforcing bar 5 is connected floor beam 2 and prefabricated elevator well 9 of upper segment, prevents that the two from appearing translation, dislocation in the horizontal direction.
In this embodiment, the grouting material 6 is a cement-based grouting material (or an epoxy grouting material), and the compressive strength of the grouting material after solidification in the 28-day age is not lower than 80 MPa. The grout 6 is used for filling the gap between the corrugated pipe 4 and the reinforcing steel bar 5, so that the reinforcing steel bar 5 can normally work and provide shear-resistant bearing capacity, and the floor beam 2 and the upper prefabricated elevator shaft 9 are prevented from translating and dislocating in the horizontal direction.
In the embodiment, the mortar 10 is cement mortar, and the strength is not lower than M15 grade.
In this embodiment, the threaded sleeve 11 is a threaded steel sleeve, and has a diameter not less than 16mm and a length not less than 50 mm.
In this embodiment, the bolt 12 is a common bolt (or a high-strength bolt), the diameter of which is matched with the threaded sleeve, and the length of which is not less than 35mm and is not more than the length of the threaded sleeve.
In this embodiment, the connecting member 13 is made of galvanized steel plate, and has 2 holes symmetrically formed in the upper and lower portions, the hole diameter of the connecting member is matched with the diameter of the bolt, and the thickness of the connecting member is not less than 10 mm.
The invention can install the laminated precast concrete elevator shaft way in structural systems such as multi-story and high-rise building frames, frame-shear walls and the like, and has the following advantages: the process is simple, the installation is convenient and fast, the quality is reliable, only a small amount of wet operation is carried out on the site, no construction waste is generated, and various requirements of the assembly type building are met.
Claims (10)
1. The utility model provides a range upon range of formula precast concrete elevator well way connecting device which characterized in that: the prefabricated elevator shaft comprises a floor panel, a floor beam, an extruded sheet, a corrugated pipe, a steel bar, grouting material, an upper prefabricated elevator shaft, a lower prefabricated elevator shaft and mortar; prefabricated elevator well of upper segment arranges on the prefabricated elevator well of lower segment, the prefabricated elevator well of lower segment arranges on the floor panel, the floor panel arranges on the floor roof beam, the extruded sheet is arranged between the floor roof beam of prefabricated elevator well of upper segment and upper strata, the floor roof beam bottom of prefabricated elevator well top of upper segment and upper strata is arranged to the bellows, the reinforcing bar is arranged in the bellows, grout material arranges in the bellows, fills the hole between bellows and the reinforcing bar, the mortar is arranged between prefabricated elevator well of upper segment and lower segment and between prefabricated elevator well of lower segment and floor panel, prefabricated elevator well of upper segment and the prefabricated elevator well of lower segment, the prefabricated elevator well of lower segment and floor roof beam are respectively through connecting portion fixed connection.
2. The stacked precast concrete elevator shaft connection device according to claim 1, wherein: the connecting part comprises a threaded sleeve, a bolt and a connecting piece, the threaded sleeve is respectively arranged on the floor beam, the upper prefabricated elevator shaft and the lower prefabricated elevator shaft, and the connecting piece is assembled and connected with the threaded sleeve through the bolt.
3. The laminated precast concrete elevator shaft connection device according to claim 1 or 2, wherein: the extruded sheet is made of flame-retardant extruded sheet.
4. The laminated precast concrete elevator shaft connection device according to claim 1 or 2, wherein: the corrugated pipes are uniformly arranged at the top of the prefabricated elevator shaft of the upper section, 2 corrugated pipes are arranged on each side, and the positions of the corrugated pipes on the floor beam correspond to the positions of the corrugated pipes of the prefabricated elevator shaft of the upper section.
5. The laminated precast concrete elevator shaft connection device according to claim 1 or 2, wherein: the diameter of the corrugated pipe is larger than or equal to 50mm and is not larger than 1/2 of the wall thickness of the prefabricated elevator shaft.
6. The laminated precast concrete elevator shaft connection device according to claim 1 or 2, wherein: the diameter of the steel bar is 15-20 mm, and the yield strength standard value is not lower than 400 MPa.
7. The laminated precast concrete elevator shaft connection device according to claim 1 or 2, wherein: the grouting material is cement-based grouting material or epoxy grouting material, and the compressive strength of the grouting material after solidification in the 28-day age is not lower than 80 MPa.
8. The laminated precast concrete elevator shaft connection device according to claim 1 or 2, wherein: the mortar is cement mortar, and the strength is not lower than M15 grade.
9. The stacked precast concrete elevator shaft connection device according to claim 2, wherein: the threaded sleeve is a threaded steel sleeve, the diameter is not less than 16mm, and the length is not less than 50 mm; the diameter of the bolt is matched with that of the threaded sleeve, the length of the bolt is not less than 35mm, and the length of the bolt is not more than that of the threaded sleeve.
10. The stacked precast concrete elevator shaft connection device according to claim 2, wherein: the connecting piece adopts galvanized steel sheet, and upper and lower symmetry is opened 2 holes, and its aperture matches with the bolt diameter, and thickness is not less than 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010605748.XA CN111648556A (en) | 2020-06-29 | 2020-06-29 | Laminated precast concrete elevator shaft way connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010605748.XA CN111648556A (en) | 2020-06-29 | 2020-06-29 | Laminated precast concrete elevator shaft way connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111648556A true CN111648556A (en) | 2020-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010605748.XA Pending CN111648556A (en) | 2020-06-29 | 2020-06-29 | Laminated precast concrete elevator shaft way connecting device |
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| Country | Link |
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| CN (1) | CN111648556A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638572A (en) * | 2021-08-10 | 2021-11-12 | 华东建筑设计研究院有限公司 | Elevator hoistway and construction process thereof |
-
2020
- 2020-06-29 CN CN202010605748.XA patent/CN111648556A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638572A (en) * | 2021-08-10 | 2021-11-12 | 华东建筑设计研究院有限公司 | Elevator hoistway and construction process thereof |
| CN113638572B (en) * | 2021-08-10 | 2023-01-24 | 华东建筑设计研究院有限公司 | Elevator hoistway and construction process thereof |
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