CN218466888U - Structure suitable for ultralow-energy-consumption assembled building roof deformation joint - Google Patents

Abstract

The invention relates to the field of building heat preservation, in particular to a structure suitable for an assembled building roof deformation joint with ultralow energy consumption, which comprises a precast concrete outer leaf plate (1), a sandwich heat preservation layer (2) and a precast concrete inner leaf plate (3), and further comprises a roof structure floor slab (14), a roof precast structure floor slab (15) and a cast-in-place concrete shear wall (16), wherein the roof structure floor slab (14), the roof precast structure floor slab (15) and the cast-in-place concrete shear wall (16) are connected with the outer leaf plate to form a complete and closed interface. The utility model discloses simple structure, easy operation, construction convenience has fully embodied the advantage of assembled to can effectively improve the uniformity of precast concrete outer wall and roofing parapet movement joint. The deformation joint stress which can be smoothly transited by the arrangement of the expansion bolt, the galvanized steel plate buckle plate and other members is arranged, the expansion and contraction deformation of the joint is not influenced, multiple waterproof measures are provided, and the heat-preservation and waterproof performances of structures on two sides of the deformation joint are not influenced.

Description

Structure suitable for ultralow-energy-consumption assembled building roof deformation joint

Technical Field

The invention relates to the field of building heat preservation, in particular to a structure suitable for an assembled building roof deformation joint with ultralow energy consumption.

Background

The assembled building and the ultra-low energy consumption building are developed rapidly in recent years, the number of design projects is increased gradually, and the case of combining the two technologies is few, wherein the case of combining the prefabricated concrete sandwich external wall panel system and the ultra-low energy consumption technology for the outer enclosure of the assembled building urgently needs to carry out patent protection related technologies.

When the prefabricated concrete sandwich external wall panel system is adopted to the ultralow energy consumption assembly type building, the building roofing meets the high-low staggered floor position, wherein high-rise one side is prefabricated concrete sandwich outer wall, and when the bottom opposite side exists the movement joint designing requirement for between roofing parapet and the high-low staggered floor, need carry out the structure and break away from the broken joint design, need keep warm to the movement joint and stuff the processing for satisfying the disconnected heat bridge requirement of ultralow energy consumption simultaneously.

In the prior art, as CN205276510U discloses a steel structure integrally-assembled building and a horizontal seam construction node of an outer wall thereof, the steel structure integrally-assembled building comprises a first wall body positioned at the upper part, a second wall body positioned at the lower part and a floor support plate positioned between the two wall bodies, a horizontal seam is formed among the first wall body, the second wall body and the floor support plate, polystyrene particles are filled in the horizontal seam, and a film waterproof layer is arranged on one side of the horizontal seam, which is far away from the floor support plate, and blocks the outer end of the horizontal seam; a waterproof mortar layer is arranged in a horizontal joint between the floor bearing plate and the first wall body, and a polyurethane foaming layer and a polyethylene foam rod are arranged in a horizontal joint between the floor bearing plate and the second wall body. Like this, this outer wall horizontal joint structure node can simplify the work progress, reduces the construction degree of difficulty, has improved the structural rationality of wall body horizontal joint department simultaneously, has improved the heat preservation waterproof performance of building body.

However, the similar traditional design specifications and drawings only provide requirements for the design of non-fabricated buildings and non-precast concrete sandwich external wall panels, and do not provide solutions for the structural nodes, especially, the precast concrete sandwich external wall is adopted, the precast components are finished modules processed in factories, the traditional design nodes cannot be used for construction operation after field installation, installation conditions are not provided, and field connection structure and treatment have certain difficulties.

The following design structure nodes are formed to solve the above design problems.

Disclosure of Invention

The structure is suitable for deformation joints of the ultralow-energy-consumption assembled building roof, and mainly solves the problem that when the ultralow-energy-consumption assembled building adopts a precast concrete sandwich external wall panel system, the building roof encounters a high-low staggered floor position, wherein a high-rise side is a precast concrete sandwich external wall, and when a bottom layer opposite side is a roof parapet, the deformation joint position between the high-low staggered floor position is constructed.

The utility model provides a structure suitable for ultra-low energy consumption assembly type structure outer wall movement joint, includes prefabricated concrete outer leaf board (1), presss from both sides core heat preservation (2), prefabricated concrete inner leaf board (3), still includes roofing structure floor (14), roofing prefabricated structure floor (15), cast in situ concrete shear force wall (16), roofing structure floor (14), roofing prefabricated structure floor (15), cast in situ concrete shear force wall (16) be connected with the outer wall board and form complete confined interface.

Further, still include movement joint, metal shelves strip (17), galvanized steel board buckle (9), insulation material (10), warp caulking seam rock wool (18) and roofing waterproof layer (12), roofing waterproof layer (12) adopt to continue to roll up the mode and spread and paste, roofing waterproof layer (12) parcel insulation material (10) and warp caulking seam rock wool (18).

Furthermore, the galvanized steel buckle plate (9) is fixedly arranged on the outer wall of the structure through expansion bolts (7), and heat-insulating gaskets (6) are arranged on the expansion bolts (7).

Further, the sandwich insulation (2) is made of one of rock wool, a vacuum insulation panel, an extruded polystyrene board, a graphite polystyrene board and rigid foam polyurethane.

Furthermore, rock wool at the prefabricated outer wall part is coated by adopting a mortar plastering process, and a water dripping line is reserved (5).

Compared with the prior art, the invention has the following beneficial effects:

the utility model discloses simple structure, easy operation, construction convenience has fully embodied the advantage of assembled to can effectively improve the uniformity of precast concrete outer wall and roofing parapet movement joint. The deformation joint stress that is provided with the setting of components such as expansion bolts and galvanized steel sheet buckle that is provided with simultaneously can smooth transition neither influences the stretching deformation of node, has multiple waterproof measure simultaneously, does not influence the heat preservation waterproof performance of deformation joint both sides structure.

The invention adopts the treatment of the dripping line, can generate deformation under the action of load without influencing the overall performance, ensures the waterproof effect at the deformation joint, is economic and reasonable, and has simple and convenient construction. The invention not only can ensure the action and the energy-saving effect of the deformation joint, but also adopts common building materials, has simple construction, can save the operation time, greatly reduces the number of field operation personnel and saves the cost.

Drawings

Fig. 1 is a structure suitable for an assembled building roof deformation joint with ultra-low energy consumption.

Description of the reference numerals:

1-precast concrete outer blade plate; 2, sandwich heat preservation; 3, prefabricating a concrete inner blade plate; 4-rock wool; 5-dripping line; 6-heat insulation gasket; 7-expansion bolt; 8-polyethylene foam plastic rod; 9-galvanized steel plate buckle plate; 10-insulating material; 11-roofing heat-insulating layer; 12-roof waterproof layer; 13-roof steam barrier; 14-roofing structural floor slab; 15-roofing prefabricated structure floor slab; 16-cast-in-place concrete shear wall; 17-metal stop bar; 18-rock wool for filling seams by deformation.

Detailed Description

Referring to the attached drawing 1, the structure of the ultralow-energy-consumption assembly type building roof deformation joint comprises a prefabricated concrete outer leaf plate (1), a sandwich heat preservation plate (2), a prefabricated concrete inner leaf plate (3), a roof structure floor slab (14), a roof prefabricated structure floor slab (15) and a cast-in-place concrete shear wall (16), wherein the roof structure floor slab (14), the roof prefabricated structure floor slab (15) and the cast-in-place concrete shear wall (16) are connected with the outer wall plate to form a complete closed interface, the structure further comprises a deformation joint, a metal blocking strip (17), a galvanized steel plate buckling plate (9), a heat preservation material (10), a deformation filling joint rock wool (18) and a roof waterproof layer (12), the roof waterproof layer is paved in a mode that the deformation joint rock wool (12) is continuously rolled up, the roof waterproof layer (12) is wrapped with the heat preservation material (10) and the deformation filling joint (18), the galvanized steel plate (9) is installed and fixed on the structure outer wall through expansion bolts (7), a heat insulation gasket (6) is arranged on the expansion bolt (7), the rock wool, the heat preservation plate (2) is made of vacuum heat preservation rock wool, graphite rock wool, polystyrene foam, a prefabricated polyurethane foaming board is used for plastering mortar, and a prefabricated decorative coating process is performed on the outer wall, and the prefabricated decorative line is performed on the prefabricated concrete outer wall, and the prefabricated panel.

The general process of field manufacturing comprises the following steps: the concrete sandwich external wall panel is produced in a factory to form a finished module, and is installed on site to be connected with a roof structure floor slab (14), a roof prefabricated structure floor slab (15) and a cast-in-place concrete shear wall (16) to form a complete closed interface. And reserving the structural joint width on site according to the deformation joint width B. The metal stop strip (17) and the galvanized steel plate buckle plate (9) are produced in advance in a factory. Firstly, reserving and installing a metal stop strip (17) at a position which is more than or equal to 1000mm downwards from a roof structure layer in a deformation joint during the construction of the cast-in-place shear wall, plugging deformation caulking joint rock wool (18) with the thickness B into the deformation joint on site to ensure that the bottom end is installed on the metal stop strip (17), installing the outer side of the deformation caulking joint rock wool (18) on the outer side of the roof structure layer to be parallel and level, and ensuring that a roof parapet heat-insulating material (10) is installed in place and is tightly plugged with the deformation caulking joint rock wool (18). Continue to roll up roofing waterproof layer (12) and spread to paste insulation material (10) and warp caulking joint rock wool (18), and paste to leaf board (3) outside in the precast concrete, and fill rock wool (4) respectively at precast outer wall board downside and deformation joint heat preservation top, through expansion bolts (7) that have heat insulating gasket (6), install galvanized steel sheet buckle (9) and fix on the structure outer wall, and guarantee that inside rock wool is closely knit firm, the rock wool at precast outer wall position adopts the mortar technique of plastering to paint and reserve line of dripping (5).

Compared with the prior art, the traditional design specifications and the drawing sets only provide design structures and requirements for the roof deformation joints under the condition of a common ultralow-energy-consumption building, and the assembled ultralow-energy-consumption building has no relevant specifications, drawing sets, design standards and relevant contents in the face of the roof deformation joint method at the high-low staggered floor position when the precast concrete sandwich external wall panel is adopted. The invention solves the problem of the construction of the roof deformation joint at the high-low staggered floor position of the assembled ultra-low energy consumption building when the outer wall adopts the precast concrete sandwich, solves the node design problems of the precast concrete sandwich outer wall and the roof parapet, the bridge cutoff heat preservation, the parapet heat preservation, the water resistance and the related plugging, provides requirements for the actual construction steps and methods, and has strong practical guiding significance.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (4)

1. Structure suitable for ultralow energy consumption assembled building roof movement joint, leaf board (3) in prefabricated concrete outer leaf board (1), sandwich heat preservation (2), the prefabricated concrete, its characterized in that: the novel roof structure slab comprises a roof structure floor slab (14), a roof prefabricated structure floor slab (15) and a cast-in-place concrete shear wall (16), wherein the roof structure floor slab (14), the roof prefabricated structure floor slab (15) and the cast-in-place concrete shear wall (16) are connected with an external wall panel to form a complete and closed interface.

2. The structure suitable for the deformation joint of the ultralow-energy-consumption fabricated building roof as recited in claim 1, wherein: still include movement joint, metal shelves strip (17), galvanized steel board buckle (9), insulation material (10), warp caulking seam rock wool (18) and roofing waterproof layer (12), roofing waterproof layer (12) adopt to continue to roll up the mode and spread and paste, roofing waterproof layer (12) parcel insulation material (10) and warp caulking seam rock wool (18).

3. The structure suitable for the deformation joint of the ultralow-energy-consumption fabricated building roof as recited in claim 2, wherein: the galvanized steel plate buckle plate (9) is fixedly arranged on the outer wall of the structure through an expansion bolt (7), and a heat insulation gasket (6) is arranged on the expansion bolt (7).

4. The structure suitable for the assembled building roof deformation joint with ultralow energy consumption according to claim 3, characterized in that: the sandwich insulation (2) is made of one of rock wool, a vacuum insulation board, an extruded polystyrene board, a graphite polystyrene board and hard foam polyurethane.

Images