CN112593625A - Construction method for combining beam and column assembly type frame structure with superposed cast-in-place plate - Google Patents

Abstract

The invention discloses a construction method for combining a beam and column assembled frame structure with a superposed cast-in-place plate, which is mainly used for the construction of an assembled structure in the field of constructional engineering; the main construction method comprises the following steps: hoisting and installing each layer of prefabricated columns and prefabricated beams of the high-rise residence by using a conventional method, prefabricating the stacked pouring plates of each floor on site at corresponding positions on the ground of the bottom layer, and finally constructing the stacked pouring plates of each floor according to the hoisting and installing sequence from the top layer to the bottom layer, wherein the hoisting work of the stacked pouring plates is completed by a special hoisting machine tool, and the construction method has the advantages that: the floor hoisting work does not occupy a tower crane in a construction site, so that the use efficiency of the tower crane is greatly increased; the floor slabs are prefabricated on site, so that the work of conveying the floor slabs from a prefabrication factory to a construction site, hoisting, unloading and stacking is omitted; the special hoisting machine for the floor slab is simple to manufacture and install, and a plurality of machines can hoist each unit floor slab simultaneously, so that the construction progress is accelerated; the fixed-point hoisting of each unit floor is much safer than the hoisting of the traditional floor from a storage yard to a mounting position for re-mounting.

Description

Construction method for combining beam and column assembly type frame structure with superposed cast-in-place plate

Technical Field

The invention is mainly used for the construction of the reinforced concrete assembled structure of the high-rise residence in the field of building engineering.

Background

The main process of the conventional high-rise residential reinforced concrete fabricated structure construction at present is as follows: the construction method comprises the following steps of hoisting and installing a layer of column, beam and floor slab, and analogizing the rest layers, and has several problems: firstly, if the floor slab is prefabricated in a block-by-block mode and hoisted in a block-by-block mode, the workload of hoisting and installing the floor slab is huge, and the time for occupying hoisting equipment such as a tower crane is long; secondly, if the floor slab is integrally hoisted, the hoisting capacity of hoisting equipment needs to be increased, which is extremely uneconomical, and the transportation of the floor slab with large size is limited by traffic conditions; and thirdly, the floor slabs need to be conveyed to a construction site from a prefabricating factory in both block hoisting and integral hoisting, and then are hoisted, unloaded and stacked, and manpower and material resources are consumed.

Disclosure of Invention

The invention solves the problems, and the main construction method comprises the following steps: the construction method comprises the following steps of firstly hoisting and installing each layer of prefabricated columns and prefabricated beams of the high-rise residence by using a conventional method to form a primary frame structure system, prefabricating the stacked pouring plates of each floor on site at corresponding positions on the ground of the bottom layer, and finally constructing the stacked pouring plates of each floor according to the hoisting and installing sequence from the top layer to the bottom layer, wherein the hoisting work of the stacked pouring plates is completed by a special hoisting machine tool, and the construction method has the advantages that: firstly, the floor hoisting work does not occupy the tower crane in the construction site, so that the use efficiency of the tower crane is greatly increased; secondly, the floor slabs are prefabricated on site, so that the work of conveying the floor slabs from a prefabrication factory to a construction site, hoisting, unloading and stacking is omitted; thirdly, the special hoisting machine for the floor slab is simple to manufacture and install, and a plurality of machines can hoist each unit floor slab simultaneously, so that the construction progress is accelerated; and fourthly, hoisting each unit floor slab at a fixed point, and compared with the traditional floor slab which is hoisted to the installation position from a storage yard and then installed, the construction method for combining the beam and column assembly type frame structure with the superposed cast-in-place slab is as follows: after the foundation engineering construction of a building is finished, hoisting and installing each layer of prefabricated columns (1) and prefabricated beams (2) of a high-rise residence by using a conventional method to form a frame structure system consisting of each layer of columns (1) and beams (2), wherein a plurality of embedded steel plates A (7) are embedded in the inner side surface of each beam (2); step two, stacking and pouring plates (4) of each floor at corresponding positions of each room at the bottom layer by using a conventional method, wherein a plurality of pre-buried steel plates B (8) are pre-buried around the stacking and pouring plates (4), tapered holes (5) are reserved at four corners of the stacking and pouring plates (4), the upper ends of the tapered holes (5) are provided with upper holes (19), and the tapered holes (5) are holes with small upper parts and large lower parts; hoisting the top laminated casting plate (41) and the installation and maintenance structure (3) by using an on-site tower crane, and providing a safe construction environment for subsequently installing a special hoisting tool and hoisting the laminated casting plates (4) of other floors; fourthly, a special hoisting machine tool is installed on the top-layer laminated pouring plate (41), the special hoisting machine tool mainly comprises hoisting equipment, a steel wire rope (6), a steel wire rope A (61), a steel wire rope B (62) and a clamp (12), the clamp (12) consists of a clamp arm A (13), a clamp arm B (14) and a shaft (15), the clamp arm A (13) and the clamp arm B (14) rotate around the shaft (15) mutually, an inclined plane A (16) is arranged at the upper part of the clamp arm A (13), an inclined plane B (17) is arranged at the upper part of the clamp arm B (14), the inclined plane A (16) and the inclined plane B (17) are symmetrical in an outward splayed shape, the shaft A (11) is fixed at the upper end of the clamp arm A (13), the shaft B (20) is fixed at the upper end of the clamp arm B (14), the shaft A (11) and the shaft B (20) are symmetrically arranged along the longitudinal extension line of the steel wire rope (6), and the upper end of the, the lower end of a steel wire rope (6) is fixed with the upper ends of a steel wire rope A (61) and a steel wire rope B (62) respectively, the lower end of the steel wire rope A (61) is fixed with a shaft A (11), the lower end of the steel wire rope B (62) is fixed with a shaft B (20), and when a tong arm A (13) and a tong arm B (14) are in a natural sagging state, the steel wire rope (6), the steel wire rope A (61), the steel wire rope B (62) and a tong jaw (12) can penetrate through an upper hole (19) of a conical hole (5); step five, hoisting the next laminated pouring plate (4) on the top layer, firstly enabling a steel wire rope (6), a steel wire rope A (61), a steel wire rope B (62) and a clamp (12) to penetrate through a tapered hole (5) of the laminated pouring plate (41), then vertically descending the steel wire rope (6), the steel wire rope A (61), the steel wire rope B (62) and the clamp (12) to the position of the laminated pouring plate (4) to be hoisted, enabling the lower ends of a clamp arm A (13) and a clamp arm B (14) of the clamp (12) to be flush with the lower end of the tapered hole (5), then lifting the steel wire rope (6), enabling the included angle between the steel wire rope A (61) and the steel wire rope B (62) to be small under the tensile force of the steel wire rope (6), enabling the steel wire rope A (61) and the steel wire rope B (62) to drive an inclined plane A (16) of the clamp arm A (13) and an inclined plane B (17) of the clamp arm B (14) to be drawn close together, enabling the lower part of the, the clamp arm A (13), the clamp arm B (14) and the inner wall of the tapered hole (5) generate a self-locking phenomenon, the clamp jaw (12) tightly clamps the inner wall of the tapered hole (5), the stack pouring plate (4) is lifted to the floor of the next floor on the top floor, the stack pouring plate (4) is leveled and aligned and then is provided with the steel plugging plate (9), the embedded steel plate A (7) and the embedded steel plate B (8) are mutually corresponding, the upper ends of the embedded steel plate A (7) and the embedded steel plate B (8) are parallel and level, the upper end of the steel plugging plate (9) is higher than the upper ends of the embedded steel plate A (7) and the embedded steel plate B (8), the lower end of the steel plugging plate (9) is lower than the lower end of the embedded steel plate B (8), the lower end of the embedded steel plate A (7) is lower than the lower end of the steel plate (9), the welding seam between the steel plugging plate A (9), the embedded, after the next laminated pouring plate (4) on the top layer is installed, releasing the steel wire rope (6), enabling the lower part of the tong arm A (13) and the lower part of the tong arm B (14) to droop by gravity and separate from the inner wall of the conical hole (5), and preparing to lift the next laminated pouring plate (4); and step six, hoisting the stacked casting plates (4) in sequence according to the method in the step five, finally plugging the tapered holes (5) by using concrete, plugging gaps between the stacked casting plates (4) and the beam (2) by using waterproof mortar, and finishing the whole hoisting process.

Drawings

1-column, 2-beam, 3-maintenance structure, 4-stacked pouring plate, 41-top stacked pouring plate, 42-installed stacked pouring plate, 43-stacked pouring plate being hoisted, 5-taper hole, 6-steel wire rope, 61-steel wire rope A, 62-steel wire rope B, 7-embedded steel plate A, 8-embedded steel plate B, 9-plug steel plate, 10-welding line A, 101-welding line B, 102-welding line C, 103-welding line D, 11-shaft A, 12-clamp, 13-clamp arm A, 14-clamp arm B, 15-shaft, 16-inclined plane A, 17-inclined plane B, 18-standard hoisting unit, 19-upper hole and 20-shaft B.

Fig. 1 is a schematic elevation view of a lifting stacked pouring plate 4.

Figure 2 is a schematic plan view of the column 1, beam 2 and precast slab 4.

Fig. 3 is a schematic elevation view of the beam 2 welded to the laminated pouring plate 4.

Fig. 4 is an exploded elevational view of the jaw 12 and tapered bore 5.

Figure 5 is a schematic view of the jaw 12 gripping the inner wall of the tapered bore 5.

Figure 6 is a plan view of the upper aperture 19 of the tapered bore 5 through which the jaw 12 passes.

Fig. 7 is a schematic plan view of a frame structure for a high-rise residential building.

Detailed Description

Referring to fig. 1 to 7, the construction method for combining the beam and column assembled frame structure with the superimposed cast-in-place slab includes: after the foundation engineering construction of a building is finished, hoisting and installing each layer of prefabricated columns 1 and prefabricated beams 2 of a high-rise residence by using a conventional method to form a frame structure system consisting of each layer of columns 1 and beams 2, wherein a plurality of embedded steel plates A7 are embedded in the inner side surface of each beam 2; step two, stacking and pouring the stacked pouring plates 4 prefabricated on each floor at corresponding positions of each room at the bottom layer by a conventional method, wherein a plurality of pre-buried steel plates B8 are pre-buried around the stacked pouring plates 4, tapered holes 5 are reserved at four corners of the stacked pouring plates 4, the upper ends of the tapered holes 5 are provided with upper holes 19, and the tapered holes 5 are holes with small upper parts and large lower parts; thirdly, hoisting the top laminated pouring plate 41 and the installation and maintenance structure 3 by using an on-site tower crane, and providing a safe construction environment for subsequently installing a special hoisting tool and hoisting the laminated pouring plates 4 of other floors; fourthly, a special hoisting tool is installed on the top-layer laminated pouring plate 41, the special hoisting tool mainly comprises hoisting equipment, a steel wire rope 6, a steel wire rope A61, a steel wire rope B62 and a clamp 12, the clamp 12 consists of a clamp arm A13, a clamp arm B14 and a shaft 15, the clamp arm A13 and the clamp arm B14 rotate around the shaft 15, the upper part of the clamp arm A13 is provided with an inclined surface A16, the upper part of the clamp arm B14 is provided with an inclined surface B17, the inclined surface A16 and the inclined surface B17 are symmetrical in an outward splayed shape, the upper end of the clamp arm A13 is fixed with a shaft A11, the upper end of the clamp arm B14 is fixed with a shaft B20, the shaft A11 and the shaft B20 are symmetrically arranged by a longitudinal extension line of the steel wire rope 6, the upper end of the steel wire rope 6 is connected with a hoisting machine of the hoisting equipment, the lower end of the steel wire rope 6 is respectively fixed with the upper ends of the steel wire rope A61 and the steel wire rope B62, the lower end of the steel wire rope A11 is fixed with the shaft, the steel wire rope 6, the steel wire rope A61, the steel wire rope B62 and the clamp 12 can penetrate through the upper hole 19 of the tapered hole 5; step five, hoisting the laminated pouring plate 4 on the top floor, firstly enabling a steel wire rope 6, a steel wire rope A61, a steel wire rope B62 and a clamp 12 to penetrate through a tapered hole 5 of the laminated pouring plate 41 on the top floor, then vertically descending the steel wire rope 6, the steel wire rope A61, the steel wire rope B62 and the clamp 12 to the laminated pouring plate 4 to be hoisted, enabling the lower ends of a clamp arm A13 and a clamp arm B14 of the clamp 12 to be flush with the lower end of the tapered hole 5, then lifting the steel wire rope 6, enabling the included angle between the steel wire rope A61 and the steel wire rope B62 to be small under the tensile force of the steel wire rope 6, enabling the steel wire rope A61 and the steel wire rope B62 to drive an inclined plane A16 of the clamp arm A13 and an inclined plane B17 of the clamp arm B14 to be close together, enabling the lower portion of the clamp arm A13 and the lower portion of the clamp arm B14 to be outwards opened and press the inner wall of the tapered hole 5, enabling the clamp arm A13 and the clamp arm B14 and the, the stacked pouring plate 4 is leveled and aligned, then the plug steel plate 9 is installed, the plug steel plate 9, the embedded steel plate A7 and the embedded steel plate B8 correspond to each other, the upper ends of the embedded steel plate A7 and the embedded steel plate B8 are parallel and level, the upper end of the plug steel plate 9 is higher than the upper ends of the embedded steel plate A7 and the embedded steel plate B8, the lower end of the plug steel plate 9 is lower than the lower end of the embedded steel plate B8, the lower end of the embedded steel plate A7 is lower than the lower end of the plug steel plate 9, a welding seam among the plug steel plate 9, the embedded steel plate A7 and the embedded steel plate B8 is welded, the installation work of the stacked pouring plate 4 on the top layer is completed, then the steel wire rope 6 is released, the lower part of the tong arm A13 and the lower part of the tong arm B14 drop down by gravity and are separated from; and step six, hoisting the laminated casting plates 4 in sequence according to the method in the step five, finally plugging the tapered holes 5 by using concrete, plugging gaps between the laminated casting plates 4 and the beam 2 by using waterproof mortar, and finishing the whole hoisting process.

Need to explain: referring to fig. 3, the connection method of the beam 2 and the stacked pouring plate 4 is as follows: firstly, installing a plug steel plate 9, wherein the plug steel plate 9, an embedded steel plate A7 and an embedded steel plate B8 correspond to each other, the upper ends of the embedded steel plate A7 and the embedded steel plate B8 are parallel and level, the upper end of the plug steel plate 9 is higher than the upper ends of the embedded steel plate A7 and the embedded steel plate B8, the lower end of the plug steel plate 9 is lower than the lower end of the embedded steel plate B8, the lower end of the embedded steel plate A7 is lower than the lower end of the plug steel plate 9, and welding seams among the plug steel plate 9, the embedded steel plate A7 and the embedded steel plate B8 are welded, which is only a priority scheme of the invention, and the method has simple and rapid construction; referring to fig. 7, the stacked pouring plates 4 in each standard hoisting unit 18 can be hoisted at the same time every other standard hoisting unit 18, or the stacked pouring plates 4 in each standard hoisting unit 18 can be hoisted in sequence; referring to fig. 6, when the jawarms a13 and B14 are in a natural sagging state, the steel cable 6, a steel cable a61, a steel cable B62 and the clamp 12 can pass through the upper hole 19 of the tapered hole 5; the conical hole 5 of the invention has no pre-buried iron pieces, thereby saving steel.

Claims (1)

1. A construction method for combining a beam and column assembly type frame structure with a superposed cast-in-place plate is characterized by comprising the following steps: after the foundation engineering construction of a building is finished, hoisting and installing each layer of prefabricated columns (1) and prefabricated beams (2) of a high-rise residence by using a conventional method to form a frame structure system consisting of each layer of columns (1) and beams (2), wherein a plurality of embedded steel plates A (7) are embedded in the inner side surface of each beam (2); step two, stacking and pouring plates (4) of each floor at corresponding positions of each room at the bottom layer by using a conventional method, wherein a plurality of pre-buried steel plates B (8) are pre-buried around the stacking and pouring plates (4), tapered holes (5) are reserved at four corners of the stacking and pouring plates (4), the upper ends of the tapered holes (5) are provided with upper holes (19), and the tapered holes (5) are holes with small upper parts and large lower parts; hoisting the top laminated casting plate (41) and the installation and maintenance structure (3) by using an on-site tower crane, and providing a safe construction environment for subsequently installing a special hoisting tool and hoisting the laminated casting plates (4) of other floors; fourthly, a special hoisting machine tool is installed on the top-layer laminated pouring plate (41), the special hoisting machine tool mainly comprises hoisting equipment, a steel wire rope (6), a steel wire rope A (61), a steel wire rope B (62) and a clamp (12), the clamp (12) consists of a clamp arm A (13), a clamp arm B (14) and a shaft (15), the clamp arm A (13) and the clamp arm B (14) rotate around the shaft (15) mutually, an inclined plane A (16) is arranged at the upper part of the clamp arm A (13), an inclined plane B (17) is arranged at the upper part of the clamp arm B (14), the inclined plane A (16) and the inclined plane B (17) are symmetrical in an outward splayed shape, the shaft A (11) is fixed at the upper end of the clamp arm A (13), the shaft B (20) is fixed at the upper end of the clamp arm B (14), the shaft A (11) and the shaft B (20) are symmetrically arranged along the longitudinal extension line of the steel wire rope (6), and the upper end of the, the lower end of a steel wire rope (6) is fixed with the upper ends of a steel wire rope A (61) and a steel wire rope B (62) respectively, the lower end of the steel wire rope A (61) is fixed with a shaft A (11), the lower end of the steel wire rope B (62) is fixed with a shaft B (20), and when a tong arm A (13) and a tong arm B (14) are in a natural sagging state, the steel wire rope (6), the steel wire rope A (61), the steel wire rope B (62) and a tong jaw (12) can penetrate through an upper hole (19) of a conical hole (5); step five, hoisting the next laminated pouring plate (4) on the top layer, firstly enabling a steel wire rope (6), a steel wire rope A (61), a steel wire rope B (62) and a clamp (12) to penetrate through a tapered hole (5) of the laminated pouring plate (41), then vertically descending the steel wire rope (6), the steel wire rope A (61), the steel wire rope B (62) and the clamp (12) to the position of the laminated pouring plate (4) to be hoisted, enabling the lower ends of a clamp arm A (13) and a clamp arm B (14) of the clamp (12) to be flush with the lower end of the tapered hole (5), then lifting the steel wire rope (6), enabling the included angle between the steel wire rope A (61) and the steel wire rope B (62) to be small under the tensile force of the steel wire rope (6), enabling the steel wire rope A (61) and the steel wire rope B (62) to drive an inclined plane A (16) of the clamp arm A (13) and an inclined plane B (17) of the clamp arm B (14) to be drawn close together, enabling the lower part of the, the clamp arm A (13), the clamp arm B (14) and the inner wall of the tapered hole (5) generate a self-locking phenomenon, the clamp jaw (12) tightly clamps the inner wall of the tapered hole (5), the stack pouring plate (4) is lifted to the floor of the next floor on the top floor, the stack pouring plate (4) is leveled and aligned and then is provided with the steel plugging plate (9), the embedded steel plate A (7) and the embedded steel plate B (8) are mutually corresponding, the upper ends of the embedded steel plate A (7) and the embedded steel plate B (8) are parallel and level, the upper end of the steel plugging plate (9) is higher than the upper ends of the embedded steel plate A (7) and the embedded steel plate B (8), the lower end of the steel plugging plate (9) is lower than the lower end of the embedded steel plate B (8), the lower end of the embedded steel plate A (7) is lower than the lower end of the steel plate (9), the welding seam between the steel plugging plate A (9), the embedded, after the next laminated pouring plate (4) on the top layer is installed, releasing the steel wire rope (6), enabling the lower part of the tong arm A (13) and the lower part of the tong arm B (14) to droop by gravity and separate from the inner wall of the conical hole (5), and preparing to lift the next laminated pouring plate (4); and step six, hoisting the stacked casting plates (4) in sequence according to the method in the step five, finally plugging the tapered holes (5) by using concrete, plugging gaps between the stacked casting plates (4) and the beam (2) by using waterproof mortar, and finishing the whole hoisting process.

Images