CN204385886U - Villages and small towns low layer assembling damping architectural structure system - Google Patents

Abstract

The utility model relates to a low-rise assembled shock-absorbing building structure system in villages and towns, which is composed of prefabricated concrete columns, prefabricated concrete beams, prefabricated wall panels, shock-absorbing and energy-consuming supports, prefabricated floor slabs, and cast-in-place floor slabs. The frame columns of the upper and lower floors are rigidly connected to form a whole. The frame columns of the same floor are connected with shock-absorbing energy-dissipating supports. The frame columns of the same floor are hinged to the frame beams. The second floor slab is cast in place to form a laminated slab; the external wall panels and frame beams are connected by broken lines; the frame columns and external wall panels are connected by decompression cavities; the external wall panels are connected by decompression cavities way to connect. Compared with traditional village and town buildings, structural components such as beams, columns, floor slabs, wall panels, and shock-absorbing energy-dissipating supports of the utility model are prefabricated in factories, and each component is spliced on site to form an overall structure. This system not only takes advantage of the large bays and flexible layout of the frame structure, but also gives full play to the advantages of industrialized buildings, and solves the existing problems of village and town buildings.

Description

Structural system of low-rise prefabricated shock-absorbing buildings in villages and towns

technical field

The utility model relates to an assembled building structure, in particular to an assembled shock-absorbing building structure system suitable for low-rise houses in villages and towns.

Background technique

my country's village and town buildings have problems such as chaotic building structure system, unqualified construction quality, and lack of anti-seismic measures. The prefabricated building adopts an industrialized method to produce building structural components, which are spliced and assembled on site. It has the advantages of guaranteed quality of structural components, short construction period, and clean and pollution-free construction process.

Traditional village and town building types include brick-concrete structure and frame structure. Brick-concrete structures are prone to collapse under earthquake action. However, the beams and columns of the concrete frame structure system usually undergo large plastic deformation after a strong earthquake, cracks increase, and even the concrete falls off, making post-earthquake repair difficult.

In view of the above situation, the utility model village and town prefabricated shock-absorbing building structure system. The system adopts the hinged frame system to bear the vertical load, and the shock-absorbing energy-dissipating support is set as the lateral force-resistant member to resist the horizontal load. Structural components such as beams, columns, floor slabs, wall panels, and shock-absorbing energy-dissipating supports are prefabricated in factories, and the components are spliced on site to form an overall structure. This system not only takes advantage of the characteristics of large frame structure and flexible layout, but also takes advantage of the advantages of industrialized buildings, and solves the existing problems of village and town buildings.

Utility model content

The purpose of the utility model is to provide a village and town low-rise assembled shock-absorbing building structure system that is easy to install and has good earthquake resistance, so as to solve the problem that traditional village and town buildings are prone to collapse during earthquakes.

In order to achieve the above purpose, the technical solution of the utility model is: a low-rise prefabricated building shock-absorbing structure system in villages and towns, including concrete prefabricated frame columns, frame beams, floor slabs, inner and outer wall panels, and the upper and lower floors. The frame columns are rigidly connected into one, and the frame columns on the same floor are connected with shock-absorbing energy-dissipating supports, and the shock-absorbing energy-dissipating supports are arranged in the form of single inclined rods or herringbone; the frame columns on the same floor are hinged to frame beams , the frame beam is connected with the first floor slab, and the second floor slab is cast-in-place on the first floor slab to form a laminated slab; the outer wall panels and the frame beams are connected by broken lines; the frame columns and the outer wall panels are connected by reducing Connection by pressure cavity; external wall panels are connected by decompression cavity.

The shock-absorbing energy-dissipating support is a buckling-constrained support or a friction damper-type support or other displacement-type dampers.

The frame columns between the upper and lower floors are connected by a wedge joint method, and the splicing position is located 1m above the floor level, and the lower end of the upper frame column is wedge-shaped; the longitudinal bars of the lower frame columns are connected with the longitudinal bars of the upper frame columns The barge is connected, the stirrups are tied in the connection area, and the concrete is poured.

The frame column and the frame beam are connected by bolts, wherein, at the connection position between the frame column and the frame beam, embedded parts are pre-embedded in the frame column, vertical steel plates are welded on the embedded parts, bolt holes are set on the steel plate, and bolt holes are installed on the frame beam. The embedded parts are pre-embedded, the vertical steel plates are welded on the embedded parts, bolt holes are set on the steel plates, and fine stone concrete is poured in the connection area between the installed frame columns and frame beams.

The frame column is connected with the first shock-absorbing energy-dissipating support with a connecting plate, wherein, at the connection position between the shock-absorbing energy-dissipating support and the frame column, embedded parts are pre-embedded in the frame column, and vertical steel plates are welded on the embedded parts. The shock-absorbing energy-dissipating support is welded with the vertical steel plate.

The floor slab is placed on the haunches of the frame beams, the reinforcement holes are preset on the floor at intervals of 500mm, and the reinforcement bars are pre-embedded in the frame beams at the same intervals.

The broken-line connecting seam between the exterior wall panel and the frame beam is composed of horizontal seam-diagonal seam-horizontal seam, the diagonal seam is filled with polystyrene foam, the horizontal seam is filled with waterproof mortar, the exterior wall panel and the frame beam Fastened with bolts.

The exterior wall panel is a lightweight concrete wall panel or an autoclaved lightweight aerated concrete panel or an ultra-light heat-insulating sandwich panel or a glass fiber reinforced cement exterior wall panel.

The connection decompression cavity between the frame column and the outer wall panel is a groove cavity, and a plastic water baffle is embedded between the two vertical grooves on the front wall of the groove cavity, and a plastic water barrier is embedded between the two vertical grooves on the front wall of the groove cavity. Pouring waterproof mortar on the outside of the seam.

The decompression cavity connected between the external wall panels is a groove cavity, and a plastic water retaining plate is embedded between the two vertical grooves on the front wall of the groove cavity, and waterproofing is poured on the outside of the joint between the two vertical grooves on the front wall of the groove cavity. mortar.

Compared with the prior art, the utility model has the following beneficial effects:

(1) The traditional village and town building structure system is mainly masonry structure and cast-in-place concrete frame structure. The concrete is poured on site, which is labor-intensive and difficult to control. The utility model is composed of prefabricated beams, prefabricated columns, prefabricated slabs, and prefabricated vibration-absorbing and energy-consuming supports, thereby reducing labor intensity and facilitating quality control in industrialized processing.

(2) Solve the problem that the existing prefabricated houses in villages and towns are mainly based on the shear wall panel system. After the construction of the house is completed, due to the influence of the shear wall, the change of the internal layout of the house is limited.

(3) The traditional village and town buildings are not provided with shock-absorbing components, but the use of the shock-absorbing, shock-absorbing and energy-consuming supports in the utility model improves the seismic safety of the structure.

Description of drawings

Figure 1 is a frame diagram of a low-rise prefabricated shock-absorbing building structure in a village;

Figure 2 is a connection diagram of prefabricated frame columns;

Figure 3 is the upper column diagram of the prefabricated frame column connection

Figure 4 is a diagram of the lower column at the joint of the prefabricated frame column

Figure 5 is a connection diagram of prefabricated frame columns and prefabricated frame beams;

Figure 6 is a diagram of the prefabricated column at the connection node between the prefabricated frame column and the prefabricated frame beam;

Fig. 7 is a diagram of the right beam at the connection node between the prefabricated frame column and the prefabricated frame beam;

Figure 8 is the left beam diagram at the connection node between the prefabricated frame column and the prefabricated frame beam; Figure 9 is the connection diagram between the prefabricated frame column and the shock-absorbing energy-dissipating support;

Figure 10 is a connection diagram between the prefabricated frame edge beam and the floor slab;

Figure 11 is a connection diagram between the prefabricated frame middle beam and the floor slab;

Figure 12 is a connection diagram of prefabricated wall panels and prefabricated beams;

Figure 13 is a connection diagram of prefabricated wall panels and prefabricated columns;

Figure 14 is a connection diagram between prefabricated wall panels.

Detailed ways

Further illustrate the utility model below by embodiment in conjunction with accompanying drawing.

For a rural building, the vertical load determines the section of the frame beam and frame column, and the horizontal load determines the section of the shock-absorbing energy-dissipating support. During construction, the frame beams and frame columns are connected in the form of hinged bolts. Frame columns, frame beams, wall panels, prefabricated floors, and shock-absorbing energy-dissipating supports are processed in the processing plant. After the beams and columns are installed on the construction site, the shock-absorbing energy-dissipating supports are connected to the frame beams and frame columns through bolt connections. The wall panels and frame beams are connected by bolts, the prefabricated floor slab rests on the beams, and the cast-in-place floor slab is poured on the prefabricated floor slab.

Take a three-story village building as an example to illustrate its use process. The building has three floors, two spans and three bays; the height of the first floor is 3.6m, the height of the second floor is 3.3m, the height of the third floor is 3.3m, and the total building height is 10.2m. The building has a width of 8m and a total length of 13.5m. The site category is Class II, and the basic fortification intensity is 7 degrees. The basic wind pressure is 0.55kN/m ² , the beam height is determined according to the vertical load and span, the main beam section of each floor is 250×450mm, the frame column section is selected according to the axial pressure ratio, and the section is 300×300mm; the thickness of the prefabricated floor is 100mm, and the current The thickness of the poured slab is 50mm, and the yield bearing capacity of the shock-absorbing energy-dissipating support is 32.9kN. There are 36 prefabricated frame columns, 51 prefabricated concrete beams, and 12 shock-absorbing energy-dissipating supports. Design to meet specification requirements and performance goals.

As shown in Figures 1 to 14, the low-rise assembly-type shock-absorbing building structure system of the utility model includes prefabricated concrete columns, prefabricated concrete beams, prefabricated wall panels, shock-absorbing and energy-consuming supports, prefabricated floors, cast-in-place floors, and frames Columns, frame beams, and floors form the main structure, wall panels serve as maintenance structures, and shock-absorbing energy-dissipating supports serve as lateral force-resisting components.

As shown in Figure 1, the upper end of the first frame column 1-1 is rigidly connected to the lower end of the second frame column 1-2, and the upper end of the third frame column 1-3 is rigidly connected to the lower end of the fourth frame column 1-4. Integral; one end of the first frame beam 2-1 is hinged to the upper end of the first frame column 1-1, the other end of the first frame beam 2-1 is hinged to the upper end of the third frame column 1-3, and the second frame beam 2 One end of -2 is connected to the upper end of the second frame column 1-2 through a hinge, and the other end of the second frame beam 2-2 is connected to the upper end of the fourth frame column 1-4 through a hinge. One end of the first shock-absorbing energy-dissipating support 3-1 is connected to the hinge point of the first frame column 1-1 and the first frame beam 2-1, and the other end of the first shock-absorbing energy-dissipating support 3-1 is connected to the third frame column 1-1. 3 Lower end, one end of the second shock-absorbing energy-dissipating support 3-2 is connected to the hinge point of the second frame column 1-2 and the second frame beam 2-2, and the other end of the second shock-absorbing energy-dissipating support 3-2 is connected to the third frame The hinge point of the column 1-3 and the first frame beam 2-1. The shock-absorbing energy-dissipating support can adopt displacement-type energy-dissipating support members such as buckling-constrained support and friction damper-type support. The first prefabricated floor 4-1 is connected with the first frame beam 2-1 to form a whole, the first cast-in-place slab 5-1 and the first prefabricated floor 4-1 are cast-in-place to form a laminated slab; the second prefabricated floor 4- 2 is connected with the second frame beam 2-2 to form a whole, and the second cast-in-place slab 5-2 is cast-in-place with the second prefabricated floor slab 4-2 to form a composite slab.

As shown in Fig. 2, the first frame column 1-1 and the second frame column 1-2 are connected by wedge joint method. The splicing position is located 1m above the floor level. The lower end of the second frame column 1-2 adopts a wedge shape. The longitudinal reinforcement of the first frame column 1-1 is connected with the longitudinal reinforcement of the second frame column 1-2 by a steel bar connector 1-5. The stirrups are tied on site. After the rebar binding is completed, pour concrete 1-6 after the connection area.

As shown in Fig. 5, the first frame column 1-1 and the first frame beam 2-1 are connected by bolts. The first frame column and the third frame beam 2-3 are also connected by bolts. At the connection position between the frame column and the frame beam, embedded parts are pre-embedded in the frame column, vertical steel plates are welded on the embedded parts, and bolt holes are set on the steel plates. The embedded parts are pre-embedded on the frame beam, the vertical steel plates are welded on the embedded parts, and the bolt holes are set on the steel plates. After the bolts are installed, the beams in the connection area are poured with fine stone concrete.

As shown in FIG. 9 , the first frame column 1-1 is connected to the first shock-absorbing energy-dissipating support 3-1 by using a connecting plate. At the connection position between the shock-absorbing energy-dissipating support and the frame column, embedded parts are pre-embedded in the frame column, vertical steel plates are welded on the embedded parts, and the shock-absorbing energy-dissipating support is welded to the vertical steel plate.

As shown in Figure 10, the first prefabricated floor 4-1 is placed on the haunched part of the fourth frame beam 2-4, the reinforcement holes are preset on the prefabricated floor at intervals of 500mm, and the reinforcement bars 5 are pre-embedded in the frame beam at the same interval -3. During the installation process, the pre-embedded steel bars 5-3 pass through the steel bar holes. Cast-in-place floor slab 5-1 is poured on prefabricated floor slab 4-1. The prefabricated slab 4-1 and the cast-in-place slab 5-1 form a laminated slab.

As shown in Fig. 12, the first outer wall panel 6-1 and the frame beam 2-4 are connected by broken lines. The second outer wall panel 6-2 and the frame beam 2-4 are also connected by broken lines. The connecting seam 2-6 is a broken line type, which is composed of horizontal seam-diagonal seam-horizontal seam, and polystyrene foam 6-3 is filled in the oblique seam of the connecting seam 2-6, and the horizontal seam of the connecting seam 2-6 Fill with waterproof mortar 6-5. The exterior wall panels and frame beams are bolted with 6-4 bolts.

Prefabricated wall panels can use lightweight concrete wall panels, autoclaved lightweight aerated concrete panels, ultra-light heat insulation sandwich panels, and glass fiber reinforced cement exterior wall panels.

As shown in Fig. 13, the first frame column 1-1 and the first wall panel 6-1 are connected in the form of a decompression cavity. The wall panel and the frame column directly form a groove cavity 6-6, and a plastic water retaining plate 6-7 is embedded between the two vertical grooves on the front wall of the groove cavity 6-6, and the plastic water retaining plate 6-7 is formed by its own elasticity. Firmly embedded in the groove, hook waterproof mortar 6-5 on the outside of the seam. The upper and lower ends of the plastic water retaining plate 6-7 can take the way of overlapping in sections. A pressure cavity is formed between the two plastic water baffles 6-7.

As shown in FIG. 14 , the first wallboard 6-1 and the second wallboard 6-2 adopt a connection form of a decompression cavity. A groove cavity is directly formed at the joint of two wall panels, and a plastic water baffle is embedded between the two vertical grooves on the front wall of the cavity. The water baffle is firmly embedded in the groove by its own elasticity, and waterproof mortar is hooked on the outside of the seam . The upper and lower ends of the plastic water baffle can be overlapped in sections. A pressure cavity is formed between the two plastic water baffles.

Claims (10)

1. A low-rise prefabricated building shock-absorbing structural system in villages and towns, including concrete prefabricated frame columns, frame beams, floor slabs, interior and exterior wall panels, is characterized in that: the frame columns between the upper and lower floors are rigidly connected into one, The shock-absorbing energy-dissipating supports are connected between the frame columns on the same floor, and the shock-absorbing energy-dissipating supports are arranged in the form of single inclined rods or herringbone; the frame beams are hinged on the frame columns on the same floor, and the first-story Floor slab, the second floor slab is cast-in-place on the first floor slab to form a laminated slab; the external wall panels and frame beams are connected by broken lines; the frame columns and external wall panels are connected by decompression cavity; the external wall panels They are connected by a decompression cavity. 2. The shock-absorbing structural system of low-rise prefabricated buildings in villages and towns according to claim 1, characterized in that: the shock-absorbing energy-dissipating support is a buckling-constrained support or a friction damper-type support or other displacement-type dampers. 3. The shock-absorbing structural system of low-rise prefabricated buildings in villages and towns according to claim 1, characterized in that: the frame columns between the upper and lower floors are connected by wedging, and the splicing position is located 1m above the floor elevation, The lower end of the upper frame column is wedge-shaped; the longitudinal bars of the lower frame column and the longitudinal bars of the upper frame column are connected with a steel bar connector, and the stirrups are tied in the connection area and concrete is poured. 4. The shock-absorbing structural system of low-rise prefabricated buildings in villages and towns according to claim 1, characterized in that: the frame column and the frame beam are connected by bolts, wherein, at the connection position between the frame column and the frame beam, the frame column For pre-embedded parts, vertical steel plates are welded on the embedded parts, bolt holes are set on the steel plates, embedded parts are pre-embedded on the frame beam, vertical steel plates are welded on the embedded parts, bolt holes are set on the steel plates, the frame column and frame after installation Pour fine stone concrete in the beam connection area. 5. The shock-absorbing structural system of low-rise prefabricated buildings in villages and towns according to claim 1, characterized in that: the frame column and the first shock-absorbing energy-dissipating support are connected by a connecting plate, wherein the shock-absorbing energy-dissipating support At the connection position with the frame column, embedded parts are pre-embedded in the frame column, vertical steel plates are welded on the embedded parts, and the shock-absorbing energy-dissipating support is welded to the vertical steel plates. 6. The shock-absorbing structural system of low-rise prefabricated buildings in villages and towns according to claim 1, characterized in that: the floor slab is placed on the armpit of the frame beam, and the reinforcement holes are preset on the floor at intervals of 500mm, and the same Pre-embedded steel bars at intervals. 7. The shock-absorbing structural system of low-rise prefabricated buildings in villages and towns according to claim 1, characterized in that: the broken line connection joint between the outer wall panel and the frame beam is composed of horizontal joints-diagonal joints-horizontal joints, and the oblique joints The seams are filled with polystyrene foam, the horizontal joints are filled with waterproof mortar, and the external wall panels and frame beams are fixed with bolts. 8. The shock-absorbing structural system of low-rise prefabricated buildings in villages and towns according to claim 1, characterized in that: the outer wall panels are lightweight concrete wall panels or autoclaved lightweight aerated concrete panels or ultra-light heat-insulating sandwich cores board or glass fiber reinforced cement exterior wall panels. 9. The shock-absorbing structural system of low-rise prefabricated buildings in villages and towns according to claim 1, characterized in that: the connection decompression cavity between the frame column and the outer wall panel is a groove cavity, and the front of the groove cavity A plastic water retaining plate is embedded between the two vertical grooves of the wall, and waterproof mortar is poured on the outside of the joint between the two vertical grooves on the front wall of the groove cavity. 10. The shock-absorbing structural system of low-rise prefabricated buildings in villages and towns according to claim 1, characterized in that: the decompression cavity connected between the outer wall panels is a groove cavity, and the front wall of the groove cavity has two vertical grooves Embed a plastic water retaining plate between them, and pour waterproof mortar on the outside of the joint between the two vertical grooves on the front wall of the groove cavity.