CN112681633A - Functional roof system based on steel structure and construction method thereof - Google Patents
Functional roof system based on steel structure and construction method thereof Download PDFInfo
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- CN112681633A CN112681633A CN202110000983.9A CN202110000983A CN112681633A CN 112681633 A CN112681633 A CN 112681633A CN 202110000983 A CN202110000983 A CN 202110000983A CN 112681633 A CN112681633 A CN 112681633A
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Abstract
The invention discloses a functional roof system based on a steel structure and a construction method thereof, wherein the functional roof system comprises a sound insulation layer, an air inflation bag body, a profiled steel sheet, an air insulation layer, a heat preservation layer, a waterproof layer, a self-tapping screw, a steel beam, a first fastener, a second fastener, a slide way, a slot, a sliding block base, an inserting block, a first clamping piece, a second clamping piece, a super-elastic connecting piece, a limiting rod and a buckle plate screw; the steel beam is an I-shaped steel beam, the two sides of a web plate of the I-shaped steel beam are symmetrically provided with a first hanging fastener, the two sides of the web plate are symmetrically provided with slideways, and the slideways are provided with slots; a plurality of sliding blocks matched with the sliding rail are arranged on the sliding rail, and the sliding blocks are connected with the sliding rail in a sliding manner; the functional roof system comprises a sound insulation layer, an air inflation bag body, a profiled steel sheet, a gas insulation layer, a heat insulation layer and a waterproof layer from inside to outside in sequence; the invention has good overall performance, strong stability, convenient installation and later maintenance, and meets the requirements of fire prevention, water resistance, heat preservation and the like of buildings.
Description
Technical Field
The invention relates to the technical field of roof structures, in particular to a functional roof system based on a steel structure and a construction method thereof.
Background
With the great advance of building industrialization, steel structures are widely used for modern buildings due to the advantages of factory processing production, light dead weight, quick installation and the like, and the proportion of functional buildings with large-span requirements, such as large-scale entertainment venues, processing workshops and the like, in steel structure buildings is increasing day by day in all aspects of production and life of people. How to find a large-span steel structure roof system which has light dead weight, excellent heat preservation and water resistance and high steel structure construction speed, is the direction sought by building design and constructors, and is also a great factor for perfecting the use function of steel structure buildings.
The steel structure roofing system commonly used adopts metal roof boarding more, though the building time is shorter, the structure is comparatively simple, roofing system performance is not enough. In winter, the indoor heat preservation performance is poor, the heat insulation capability is weak, and the sound insulation effect is poor; when the rainwater is more in summer, drainage and water-proof effects are relatively poor to the structure level is less, makes structural strength not enough, and life is limited.
Disclosure of Invention
The invention aims to provide a functional roof system based on a steel structure and a construction method thereof, and solves the technical problem of how to plug the functional roof system through an inflatable bag body so as to realize the functions of water prevention, heat preservation and the like; how to facilitate the disassembly and assembly of the inflatable bag body through the mutual matching of the slide way and the slide block; how to improve the effects of indoor heat preservation, waterproofness, sound insulation and the like by utilizing the layered structure of the functional roof.
In order to achieve the purpose, the invention provides a functional roof system based on a steel structure, which comprises a sound insulation layer, an air inflation bag body, a profiled steel sheet, an air insulation layer, a heat insulation layer, a waterproof layer, a self-tapping screw, a steel beam, a first fastener, a second fastener, a slide way, a slot, a sliding block base, an insertion block, a first clamping piece, a second clamping piece, a super-elastic connecting piece, a limiting rod and a buckle plate screw. The steel beam is an I-shaped steel beam, the two sides of a web plate of the I-shaped steel beam are symmetrically provided with a first hanging fastener, the two sides of the web plate are symmetrically provided with slideways, and the slideways are provided with slots; the slideway is provided with a plurality of sliding blocks matched with the slideway, and the sliding blocks are connected with the slideway in a sliding way. The sliding block comprises a sliding block base, an inserting block, a first clamping piece, a second clamping piece, a clamping through hole, a superelastic connecting piece, a limiting rod and a groove; the bottom of the sliding block base is provided with an inserting block matched with the slide slot, the upper portion of the sliding block base is provided with a first clamping piece, the first clamping piece is arranged on the sliding block base by taking the central axis of the sliding block base as axial symmetry, one end, far away from the sliding block base, of the first clamping piece is provided with a superelastic connecting piece, a second clamping piece is connected with the first clamping piece through the superelastic connecting piece respectively, a groove is formed between the first clamping piece and the second clamping piece, a limiting rod is arranged between the first clamping piece and the second clamping piece, one end of the limiting rod is hinged to the first clamping piece, the other end of the limiting rod.
The functional roof system comprises a sound insulation layer, an air inflation bag body, a profiled steel sheet, a gas insulation layer, a heat insulation layer and a waterproof layer from inside to outside in sequence. The puigging is two-layer, and is in the same place through the buckle screw fixation that sets up at both ends, and the buckle bolt is provided with fastener two on keeping away from the one side of puigging, and the puigging passes through fastener two to be fixed on fastener one. The middle of the longitudinal section of the inflatable bag body is rectangular, the two ends of the rectangle are symmetrically provided with clamping structures of which the longitudinal sections are composed of fan shapes and isosceles trapezoids, and a plurality of clamping through holes are vertically arranged on the isosceles trapezoids of the clamping structures; the inflatable bag body is fixed on the sliding block through clamping structures at two end parts, and the bolt penetrates through the clamping through hole and the clamping through hole to fix the inflatable bag body on the sliding block; the profiled steel sheet consists of a plurality of trapezoidal unit cells and a plurality of wave troughs, the wave troughs are arranged at two ends of each trapezoidal unit, each trapezoidal unit comprises a wave crest and a pair of web plates, and the web plates are arranged at two sides of the wave crest; the wave trough of the profiled steel sheet is fixed on the flange of the steel beam; the gas barrier layer is laid on the profiled steel plate; the heat-insulating layer is fixed on the wave crest of the profiled steel sheet through self-tapping screws.
Further, the water-saving and water-saving device also comprises a water drainage and water storage layer (7) which is arranged above the waterproof layer.
Further, if the drainage and water storage layer is not arranged, the protective layer is arranged above the waterproof layer.
Furthermore, the waterproof layer is adhered to the heat-insulating layer through a strong adhesive.
Further, when the thickness of the flange of the steel beam is less than or equal to 12mm, the profiled steel sheet is fixed by adopting self-tapping screws; when the thickness of the flange of the steel beam is larger than 12mm, the profiled steel sheet is fixed by adopting the shooting nail.
Further, the drainage and water storage layer is fixed at the end part of the heat insulation layer through gluing or screws.
Furthermore, a plurality of drain holes are formed in the drainage water storage, and the distance between every two adjacent drain holes is not less than 10 mm.
Furthermore, the second clamping piece is J-shaped, and the end part of the second clamping piece is circular, so that the damage of the inflation bag body caused by the sharp prick at the end part is avoided.
Further, the gas-filled bag body can be filled with non-combustible gas such as carbon dioxide, and the gas also has a flame-retardant function.
Furthermore, the longitudinal section of the slide way is concave, the slide block base is concave, and the width of the slide block base is at least 5mm wider than that of the slide way.
Further, the gas barrier layer is a PE gas barrier film; the air-inflating bag body is a Thermoplastic Polyurethane (TPU) air-inflating bag body; the soundproof layer is double-layer sound-absorbing cotton.
Furthermore, the width of the wave trough and the wave crest of the profiled steel sheet is between 250mm and 300 mm.
Furthermore, the buckle plate screw comprises a U-shaped buckle plate, a bolt and a spring, the bolt vertically penetrates through the U-shaped buckle plate, one end of the spring is fixedly connected with the bolt, and the other end of the spring is fixedly connected with the top of the U-shaped buckle plate.
Furthermore, the U-shaped buckle plate is formed by vertically welding a vertical plate and two transverse plates, corresponding through holes are formed in the two transverse plates, and the bolts penetrate through the pair of through holes to fix the two sound insulation layers in buckle plate screws.
Further, the gas barrier layer is lapped and paved on the profiled steel sheet, and a butyl adhesive tape is also stuck at the lapping position.
Furthermore, the included angle between the web plate of the profiled steel sheet and the wave crest is between 100 and 160 degrees.
Further, an air pressure sensor and a PLC are further arranged in the inflatable bag body, an inflating device and an alarm device are further arranged outside the inflatable bag body, the output end of the inflating device is communicated with the inflatable bag body, and the signal output end of the air pressure sensor is connected with the signal input end of the PLC.
Further, the inflation device comprises an inflation joint, an inflation tube, a high-pressure gas cylinder and an electromagnetic valve, wherein the inflation joint is arranged on the inflation bag body and is communicated with the inside and the outside of the inflation bag body; the inflation connector is connected with a high-pressure gas cylinder through an inflation tube, the electromagnetic valve is arranged on the inflation tube, and the signal control end of the electromagnetic valve is connected with the signal output end of the PLC.
Further, the signal output end of the PLC is connected with the signal control end of the alarm device.
Furthermore, a plurality of solid anti-skid protrusions are arranged on the outer surface of the inflatable bag body, and the distance between every two adjacent anti-skid protrusions is not more than 200 mm.
In addition, the invention also provides a construction method of the functional roof system based on the steel structure, which comprises the following steps.
The method comprises the following steps: and fixing the slideway and the first hanging fastener on a steel beam web.
Step two: installing a profiled steel sheet; and fixing the wave trough of the profiled steel sheet on the flange of the steel beam by using a shooting nail or a self-tapping screw.
Step three: installing a gas barrier; laying a gas barrier layer on a profiled steel sheet, overlapping the gas barrier layer by adopting a downstream overlapping method, wherein the overlapping position is the wave crest position of the profiled steel sheet, placing a supporting steel sheet with the width of 500-600 mm at two adjacent wave crest positions before overlapping and laying, laying the gas barrier layer, compacting an overlapping joint by using a compression roller, and sealing the overlapping position by sticking a butyl adhesive tape; and finally, drawing out the supporting steel plate.
Step four: installing an insulation board, wherein the insulation board is installed at the wave crest of the profiled steel sheet by using a self-tapping screw, and the installation position of the self-tapping screw is the profiled steel sheet below the air barrier layer to which the butyl adhesive tape is adhered; the heat insulation plate is obliquely installed, and the included angle between the heat insulation plate and the horizontal line is 1-3 degrees; can also have the function of finding slopes.
Step five: and installing a waterproof layer, and sticking the waterproof layer above the heat insulation plate by using strong glue.
Step six: and a drainage and water storage layer is arranged on the functional roof system.
Step seven: installing a sound insulation layer; the double-layer sound insulation layer is fixed together by the pinch plate bolt, and the sound insulation layer is arranged on the steel beam web by the aid of the second hanging fastener arranged on one side of the pinch plate bolt.
Step eight: installing an inflating bag body; the surface of the profiled steel sheet is cleaned, the two ends of an inflatable bag body provided with an air pressure sensor, a PLC and an alarm device are installed on the sliding blocks, a small amount of air is filled into the inflatable bag body, the inflatable bag body is fixed on the sliding blocks, the sliding blocks are slid into the slide way, and when the inflatable bag body is completely installed, the blocking blocks are installed at the two ends of the slide way.
Step nine: and (4) communicating the inflating device with the inflating bag body, and testing.
And s1, communicating the signal control end of the electromagnetic valve of the air charging device with the signal output end of the PLC.
s2, starting the inflator and testing.
s 21: detecting an alarm device; the inflatable bag body is filled with air, the inflating device is detached, the inflatable bag body is deflated, and when the data sensed by the air pressure sensor keeps low pressure for too long, the alarm device gives an alarm.
s 22: detecting automatic inflation; and (4) communicating the inflatable bag body in s21 with the inflating device, when the data detected by the air pressure sensor is too low, transmitting the data to the PLC, and after the PLC analyzes the data, if the air pressure data transmitted by the air pressure sensor is too low, controlling the electromagnetic valve to act by the PLC so that the inflating device inflates the inflatable bag body.
s 3: and finishing the detection.
Step ten: and after the functional roof system is assembled, the inflating device is started again to fill the inflatable bag body with air.
The downstream lap joint refers to a lap joint method parallel to a ridge, lap joints are carried out in the downstream direction, and a high block is positioned above a low block in the vertical direction.
The PLC is a programmable logic controller, which is a digital operation electronic system specially designed for application in industrial environment; it uses a programmable memory, in which the instructions for implementing logical operation, sequence control, timing, counting and arithmetic operation are stored, and utilizes digital or analog input and output to control various mechanical equipments or production processes. The method is mainly applied to control and monitoring of equipment.
And further, the waterproof layer in the fifth step is a waterproof coiled material, the waterproof coiled material is bonded in a water-following lap joint mode, and before the waterproof coiled material is laid, a blower is used for cleaning the surface of the laid heat preservation plate, so that the surface is ensured to have no foreign matters or dust. And then the waterproof coiled material is pre-paved at the final installation position, so that the coiled material is fully unfolded. After the coiled materials are opened, the coiled materials can be laterally moved left and right in a shaking mode, and each coiled material is kept still for more than 30 minutes of unfolding time before laying, cutting or lapping.
Further, direct empty the spreading of drainage water storage layer in step six on waterproofing membrane, adjacent drainage water storage layer adopts the lapped mode to lay when laying, and the overlap joint width also can be connected through the U-shaped buckle of plastics between the adjacent drainage water storage layer between 5 ~ 10cm, also can utilize the geotechnological cloth overlap joint, keeps the drainage unobstructed.
Further, if the inflatable bag body is assembled in summer, the detection is finished to prove that the inflatable bag body can be normally used and the expected purpose is achieved, the inflatable bag body is deflated, extracted, retracted and stored; if the detection is finished in winter, the inflatable bag body can be normally used and achieves the expected purpose, and the inflatable bag body is continuously left in the layered structure.
The invention has the advantages of being beneficial to the realization of the invention.
The invention provides a functional roof system based on a steel structure and a construction method thereof.A gas barrier layer is lapped and laid on a profiled steel sheet, a butyl tape is also pasted at the lapping position, a heat insulation board is installed at the wave crest of the profiled steel sheet by using a self-tapping screw, and the installation position of the self-tapping screw is the profiled steel sheet below the gas barrier layer to which the butyl tape is pasted; the butyl rubber belt with a certain thickness has good self-healing capacity on the screw hole, so that the method can also enable the air barrier layer to have a certain waterproof effect.
According to the functional roof system based on the steel structure and the construction method thereof, the inflatable bag body is arranged on the steel beam through the mutual matching of the slide way and the slide block, so that the inflatable bag body is convenient to disassemble and assemble, and the inflatable bag body is convenient to disassemble and assemble in time according to weather conditions and the state of the inflatable bag body.
3, according to the functional roof system based on the steel structure and the construction method thereof, the gas-filled bag body of the gas-filled bag body can be filled with carbon dioxide and other non-combustible gases, and the gases also have a flame retardant function, so that good heat preservation, fire prevention, water prevention and other effects are achieved; the inflation plugging is beneficial to heat preservation in winter, and the deflation forms a channel in summer, so that the ventilation and cooling are convenient. The antiskid bulge arranged on the inflatable bag body not only can play an antiskid role, but also can play a role in avoiding the risk of air leakage caused by extrusion of the inflatable bag body.
4, the functional roof system based on the steel structure and the construction method thereof provided by the invention comprise a sound insulation layer, an air inflation bag body, a profiled steel sheet, a gas insulation layer, a heat insulation layer, a waterproof layer and a drainage and water storage layer from inside to outside in sequence; the invention has good overall performance, strong stability, convenient installation and later maintenance, and meets the requirements of fire prevention, water resistance, heat preservation and the like of buildings; and the laminated structure has light weight and is convenient to transport, disassemble and assemble.
5, according to the functional roof system based on the steel structure and the construction method thereof, the drainage and water storage layer is arranged on the functional roof system, and soil can be placed on the plurality of drainage holes arranged on the drainage layer for planting green plants, so that the environment is beautified, and an auxiliary waterproof effect can be achieved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The primary objects and other advantages of the invention may be realized and attained by the instrumentalities particularly pointed out in the specification.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic view of the layered structure of the roofing system of the present invention.
Fig. 2 is a side view schematic of the present invention.
Fig. 3 is a schematic front view of the present invention.
FIG. 4 is a schematic view of the installation of the steel beam and the soundproof layer according to the present invention.
FIG. 5 is a front view of a buckle screw according to the present invention.
Fig. 6 is an assembly schematic diagram of the air inflation bag body, the slide way and the sliding block in the invention.
Fig. 7 is a front view schematically showing a slider in the present invention.
Fig. 8 is a schematic view of the structure of the inflatable bag body in the invention.
Fig. 9 is a schematic front view of a profiled steel sheet according to the present invention.
Reference numerals: 1-sound insulation layer, 2-air-filled bag body, 2.1-clamping structure, 2.2-clamping through hole, 3-profiled steel sheet, 3.1-wave crest, 3.2-web, 3.3-wave trough, 4-air barrier, 5-heat insulation layer, 6-waterproof layer, 7-drainage and water storage layer, 8-self-tapping screw, 9-steel beam, 10-first hanging fastener and 11-second hanging fastener, 12-slideway, 12.1-slot, 13-sliding block, 13.1-sliding block base, 13.2-inserting block, 13.3-clamping piece I, 13.4-clamping piece II, 13.4.1-clamping through hole, 13.5-superelastic connecting piece, 13.6-limiting rod, 13.7-groove, 14-buckle plate screw, 14.1-U-shaped buckle plate, 14.2-bolt, 14.3-spring and 15-shooting nail.
Detailed Description
The technical solutions of the present invention are described in detail below by examples, and the following examples are only exemplary and can be used only for explaining and illustrating the technical solutions of the present invention, but not construed as limiting the technical solutions of the present invention.
As shown in fig. 1-9, the invention provides a functional roof system based on a steel structure and a construction method thereof, and the functional roof system comprises a sound insulation layer 1, an air inflation bag body 2, a profiled steel sheet 3, an air insulation layer 4, a heat insulation layer 5, a waterproof layer 6, a drainage water storage layer 7, a self-tapping screw 8, a steel beam 9, a first fastener 10, a second fastener 11, a slideway 12, a slot 12.1, a sliding block 13, a sliding block base 13.1, an insertion block 13.2, a first fastener 13.3, a second fastener 13.4, a superelastic connector 13.5, a limiting rod 13.6, a buckle plate screw 14 and a shooting screw 15.
The functional roof system comprises a sound insulation layer 1, an air inflation bag body 2, a profiled steel sheet 3, an air isolation layer 4, a heat insulation layer 5, a waterproof layer 6 and a drainage and water storage layer 7 from inside to outside in sequence.
The steel beam 9 is an I-shaped steel beam, hanging fasteners 10 are symmetrically arranged on two sides of a web plate 3.2 of the I-shaped steel beam, slide ways 12 are symmetrically arranged on two sides of the web plate 3.2, and slots 12.1 are arranged on the slide ways 12; a plurality of sliding blocks 13 matched with the sliding rail 12 are arranged on the sliding rail 12, and the sliding blocks 13 are connected with the sliding rail 12 in a sliding mode.
The sliding block 13 comprises a sliding block base 13.1, an inserting block 13.2, a first clamping piece 13.3, a second clamping piece 13.4, a clamping through hole 13.4.1, a superelastic connector 13.5, a limiting rod 13.6 and a groove 13.7; the bottom of the sliding block base 13.1 is provided with an inserting block 13.2 matched with the slot 12.1 of the slide way 12, the longitudinal section of the slide way 12 is concave, the sliding block base 13.1 is concave, and the width of the sliding block base 13.1 is at least 5mm wider than that of the slide way 12. The upper part of the sliding block base 13.1 is provided with a pair of first clamping pieces 13.3, the pair of first clamping pieces 13.3 are symmetrically arranged on the sliding block base 13.1 by taking the central axis of the sliding block base 13.1 as an axis, one end, far away from the sliding block base 13.1, of the first clamping piece 13.3 is provided with a superelastic connecting piece 13.5, the pair of second clamping pieces 13.4 are respectively connected with the pair of first clamping pieces 13.3 through the superelastic connecting piece 13.5, the second clamping pieces 13.4 are J-shaped, the end parts are circular, and damage to the inflating bag body 2 caused by sharp pricks at; a groove 13.7 is arranged between the first clamping piece 13.3 and the second clamping piece 13.4, a limiting rod 13.6 is arranged between the first clamping piece 13.3 and the second clamping piece 13.4, one end of the limiting rod 13.6 is hinged with the first clamping piece 13.3, the other end of the limiting rod is connected with the second clamping piece 13.4 in a sliding mode, and a clamping through hole 13.4.1 is formed in the second clamping piece 13.4.
Drainage water-storage layer 7 sets up in the top of waterproof layer 6 to fix at 5 tip on the heat preservation through sticky or screw, drainage water-storage is provided with a plurality of wash ports on, and the distance between the adjacent wash port is no less than 10mm, can place earth on the a plurality of wash ports that set up on it for plant green and plant, and then beautify the environment, can play supplementary waterproof effect again. The structure has good overall performance, strong stability, convenient installation and later maintenance, and meets the requirements of fire prevention, water prevention, heat preservation and the like of a building; and the laminated structure has light weight and is convenient to transport, disassemble and assemble.
In addition, if the drainage and water accumulation layer is not arranged, a protective layer is arranged above the waterproof layer, and the protective layer can be a concrete protective layer or a cement mortar layer and the like.
The inflatable bag body 2 is a Thermoplastic Polyurethane (TPU) inflatable bag body 2, the middle of the longitudinal section of the inflatable bag body is a rectangle, clamping structures 2.1 with longitudinal sections composed of sectors and isosceles trapezoids are symmetrically arranged at two ends of the rectangle, and a plurality of clamping through holes 2.2 are vertically arranged on the isosceles trapezoids of the clamping structures 2.1; the inflatable bag body 2 is fixed on the sliding block 13 through clamping structures 2.1 at two end parts, and the bolt 14.2 penetrates through the clamping through hole 13.4.1 and the clamping through hole 2.2 to fix the inflatable bag body 2 on the sliding block 13; the gas-filled bag body 2 can be filled with non-combustible gas such as carbon dioxide, and the gas also has a flame-retardant function, thereby playing good effects of heat preservation, fire prevention, water prevention and the like; the inflation plugging is beneficial to heat preservation in winter, and the deflation forms a channel in summer, so that the ventilation and cooling are convenient. The outer surface of the inflation bag body 2 is provided with a plurality of solid anti-skid protrusions, the distance between every two adjacent anti-skid protrusions is not more than 200mm, the anti-skid effect can be achieved, and the risk of avoiding air leakage caused by extrusion of the inflation bag body 2 can be achieved. An air pressure sensor and a PLC are further arranged in the air inflation bag body 2, an air inflation device and an alarm device are further arranged outside the air inflation bag body 2, the output end of the air inflation device is communicated with the air inflation bag body 2, and the signal output end of the air pressure sensor is connected with the signal input end of the PLC. The inflation device comprises an inflation joint, an inflation pipe, a high-pressure gas cylinder and an electromagnetic valve, wherein the inflation joint is arranged on the inflation bag body 2 and is communicated with the inside and the outside of the inflation bag body 2; the inflation connector is connected with a high-pressure gas cylinder through an inflation tube, the electromagnetic valve is arranged on the inflation tube, and the signal control end of the electromagnetic valve is connected with the signal output end of the PLC. The signal output end of the PLC is connected with the signal control end of the alarm device.
The profiled steel sheet 3 consists of a plurality of trapezoidal unit cells and a plurality of wave troughs 3.3, the wave troughs 3.3 are arranged at two ends of each trapezoidal unit, each trapezoidal unit comprises a wave crest 3.1 and a pair of web plates 3.2, and the web plates 3.2 are arranged at two sides of the wave crest 3.1; the included angle between the web plate 3.2 of the profiled steel sheet 3 and the wave crest 3.1 is between 100 and 160 degrees; the wave trough 3.3 of the profiled steel sheet 3 is fixed on the flange of the steel beam 9; the width of the wave trough 3.3 and the wave crest 3.1 of the profiled steel sheet 3 are both between 250mm and 300 mm; the lap joint position of the air barrier layer 4 is conveniently determined according to the determined width of the wave crest 3.1, and a butyl adhesive tape is pasted, so that the position of a self-tapping screw 8 for fixing the heat-insulating layer 5 is conveniently selected; the gas barrier layer 4 is a PE gas barrier film and is laid on the profiled steel sheet 3, the gas barrier layer 4 is lapped and laid on the profiled steel sheet 3, and a butyl adhesive tape is also adhered to the lapped part; the insulation board is arranged at the wave crest 3.1 of the profiled steel sheet 3 by using the self-tapping screw 8, and the mounting position of the self-tapping screw 8 is the profiled steel sheet 3 below the air barrier layer 4 which is adhered with the butyl adhesive tape; the butyl rubber belt with a certain thickness has good self-healing capacity for the screw hole, so the method can also enable the air barrier layer 4 to have a certain waterproof effect.
The heat preservation layer 5 is a rock wool heat preservation plate or a polyurethane heat preservation plate, and the heat preservation plates are fixed on wave crests 3.1 of the profiled steel plates 3 through self-tapping screws 8. If the heat-insulating plates are single-layer, gaps at short edge joints between the heat-insulating plates cannot be located at the same position, and the length overlapping of the heat-insulating plates is staggered 1/3; if the insulation boards are an upper layer insulation board and a lower layer insulation board, the short edge joint positions of the upper layer insulation board and the lower layer insulation board need to be staggered and overlapped by the board length of 1/3 insulation boards, so that a cold bridge is avoided; and after the construction of the heat-insulating layer 5 is finished, delivering the heat-insulating layer to the subsequent process for construction as soon as possible to prevent the heat-insulating layer 5 from being damaged, and taking a capping measure in time to prevent the heat-insulating layer from being blown up by wind when the project is not finished. The heat preservation plate slope finding method comprises the following steps: firstly, snapping lines and marking are carried out according to a slope finding range in design, meanwhile, on-site paying-off is carried out according to the lowest point elevation and the gradient of a water discharge port and the position of a water diversion line, a first layer of insulation board is paved according to a control elevation and a control line, and a second layer of insulation slope finding board can be paved by selecting the size of a corresponding slope finding board according to the on-site condition.
The waterproof layer 6 of the functional roof system is adhered to the heat-insulating layer 5 through strong glue; the profiled steel sheet 3 can be fixed on the flange of the steel beam 9 by using the self-tapping screws 8 and the shooting screws 15, and when the thickness of the flange of the steel beam 9 is less than or equal to 12mm, the profiled steel sheet 3 is fixed by using the self-tapping screws 8; when the thickness of the flange of the steel beam 9 is larger than 12mm, the profiled steel sheet 3 is fixed by the shooting nails 15.
In addition, the invention also provides a construction method of the functional roof system based on the steel structure, which comprises the following steps.
The method comprises the following steps: the slideway 12 and the fastener I10 are fixed on the web 3.2 of the steel beam 9.
Step two: installing a profiled steel sheet 3; the troughs 3.3 of the profiled steel sheet 3 are fixed to the flanges of the steel beam 9 by means of the nails 15 or self-tapping screws 8.
Step three: installing a gas barrier layer 4; laying a gas barrier layer 4 on a profiled steel sheet 3, overlapping the gas barrier layer 4 by adopting a downwater overlapping method, wherein the overlapping position is the wave crest 3.1 position of the profiled steel sheet 3, placing a supporting steel plate with the width of 500-600 mm at the adjacent two wave crests 3.1 position before overlapping and laying, then laying the gas barrier layer 4, compacting an overlapping joint by using a compression roller, and sealing the overlapping position by sticking a butyl adhesive tape; and finally, drawing out the supporting steel plate.
Step four: installing an insulation board, wherein the insulation board is installed at the position of a wave crest 3.1 of the profiled steel sheet 3 by using a self-tapping screw 8, and the installation position of the self-tapping screw 8 is the profiled steel sheet 3 below the air barrier layer 4 to which the butyl adhesive tape is adhered; the insulation board is installed obliquely, and the included angle between the insulation board and the horizontal line is 1-3 degrees, so that the slope finding function can be achieved.
Step five: and installing a waterproof layer 6, and sticking the waterproof layer 6 above the heat insulation plate by using strong glue.
The waterproof layer 6 is a waterproof coiled material which is bonded in a water-following lap joint mode, and before the waterproof coiled material is laid, a blower is used for cleaning the surface of the laid heat preservation plate, so that the surface is ensured to have no foreign matters or dust. And then the waterproof coiled material is pre-paved at the final installation position, so that the coiled material is fully unfolded. After the coiled materials are opened, the coiled materials can be laterally moved left and right in a shaking mode, and each coiled material is kept still for more than 30 minutes of unfolding time before laying, cutting or lapping.
Step six: installing a drainage and water storage layer 7 on the functional roof system; drainage water-storage layer 7 is directly on waterproofing membrane in the sky, and adjacent drainage water-storage layer 7 adopts the lapped mode to lay when laying, and the overlap joint width is between 5 ~ 10cm, also can connect through the U-shaped buckle of plastics between the adjacent drainage water-storage layer 7, also can utilize the geotechnological cloth overlap joint, keeps the drainage unobstructed.
Step seven: installing a sound insulation layer 1; the double-layer sound insulation layer 1 is fixed together by the pinch plate bolt 14.2, and the sound insulation layer 1 is arranged on a web 3.2 of the steel beam 9 by the aid of the second hanging fastener 11 arranged on one side of the pinch plate bolt 14.2.
Step eight: installing an inflating bag body 2; cleaning the surface of the profiled steel sheet 3, ensuring that no foreign matter exists, installing the two ends of the inflatable bag body 2 provided with the air pressure sensor, the PLC and the alarm device on the sliding blocks 13, filling a small amount of gas into the inflatable bag body 2 until the inflatable bag body 2 is fixed on the sliding blocks 13, sliding the plurality of sliding blocks 13 into the slide way 12, and installing plugging blocks at the two ends of the slide way 12 when the inflatable bag body 2 is completely installed.
Step nine: the inflation device is communicated with the inflation bag body 2, and the test is carried out.
And s1, communicating the signal control end of the electromagnetic valve of the air charging device with the signal output end of the PLC.
s2, starting the inflator and testing.
s 21: detecting an alarm device; the air charging bag body 2 is filled with air firstly, then the air charging device is disassembled, the air charging bag body 2 is discharged, and when the data sensed by the air pressure sensor keeps low pressure for too long, the alarm device gives an alarm.
s 22: detecting automatic inflation; communicating the inflatable bag body 2 in s21 with an inflating device, when the data detected by the air pressure sensor is too low, transmitting the data to the PLC, and after the PLC analyzes the data, if the air pressure data transmitted by the air pressure sensor is too low, controlling the electromagnetic valve to act by the PLC so that the inflating device inflates the inflatable bag body 2; the inflatable bag body is not filled with air, namely the inflating device is closed.
s 3: and finishing the detection.
If the inflatable bag body is assembled in summer, the detection is finished to prove that the inflatable bag body can be normally used and achieve the expected purpose, the inflatable bag body is deflated, extracted, retracted and stored; if the detection is finished in winter, the inflatable bag body can be normally used and achieves the expected purpose, and the inflatable bag body is continuously left in the layered structure.
Step ten: after the functional roof system is assembled, the inflation device is started again to fill the inflation bag body 2 with air.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The primary objects and other advantages of the invention may be realized and attained by the instrumentalities particularly pointed out in the specification.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that may be made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a functional roofing system based on steel construction which characterized in that: the novel waterproof and heat-insulating composite material comprises a sound-insulating layer (1), an inflatable bag body (2), a profiled steel sheet (3), a gas-insulating layer (4), a heat-insulating layer (5), a waterproof layer (6), self-tapping screws (8), steel beams (9), a first fastener (10), a second fastener (11), a slide way (12), a slot (12.1), a sliding block (13), a slide block base (13.1), an insert block (13.2), a first fastener (13.3), a second fastener (13.4), a superelastic connector (13.5), a limiting rod (13.6) and a buckle plate screw (14);
the steel beam (9) is an I-shaped steel beam, hanging fasteners (10) are symmetrically arranged on two sides of a web plate (3.2), slide ways (12) are symmetrically arranged on two sides of the web plate (3.2), and slots (12.1) are arranged on the slide ways (12); a plurality of sliding blocks (13) matched with the sliding rail (12) are arranged on the sliding rail (12), and the sliding blocks (13) are connected with the sliding rail (12) in a sliding manner;
the sliding block (13) comprises a sliding block base (13.1), an inserting block (13.2), a first clamping piece (13.3), a second clamping piece (13.4), a clamping through hole (13.4.1), a superelastic connecting piece (13.5), a limiting rod (13.6) and a groove (13.7); the bottom of the sliding block base (13.1) is provided with an insert block (13.2) matched with the slot (12.1) of the sliding rail (12), the upper part of the sliding block base (13.1) is provided with a pair of first clamping pieces (13.3), the pair of first clamping pieces (13.3) are symmetrically arranged on the sliding block base (13.1) by taking the central axis of the sliding block base (13.1) as an axis, one end, far away from the sliding block base (13.1), of the first clamping piece (13.3) is provided with a superelastic connecting piece (13.5), the pair of second clamping pieces (13.4) are respectively connected with the pair of first clamping pieces (13.3) through the superelastic connecting piece (13.5), a groove (13.7) is arranged between the pair of first clamping pieces (13.3) and the pair of second clamping pieces (13.4), a limiting rod (13.6) is arranged between the first clamping piece (13.3) and the second clamping pieces (13.4), one end of the limiting rod (13.6) is hinged with the first clamping piece (13.3), the other end is connected with the;
the functional roof system sequentially comprises a sound insulation layer (1), an inflatable bag body (2), a profiled steel sheet (3), a gas barrier layer (4), a heat insulation layer (5) and a waterproof layer (6) from inside to outside;
the sound insulation layer (1) is divided into two layers and fixed together through buckle plate bolts (14) arranged at two ends, a second hanging fastener (11) is arranged on one side of each buckle plate bolt (14.2) far away from the sound insulation layer (1), and the sound insulation layer (1) is fixed on the first hanging fastener (10) through the second hanging fastener (11);
the middle of the longitudinal section of the inflatable bag body (2) is rectangular, clamping structures (2.1) with longitudinal sections composed of fan shapes and isosceles trapezoids are symmetrically arranged at two ends of the rectangle, and a plurality of clamping through holes (2.2) are vertically arranged on the isosceles trapezoids of the clamping structures (2.1); the inflatable bag body (2) is fixed on the sliding block (13) through clamping structures (2.1) at two end parts, and a bolt (14.2) passes through the clamping through hole (13.4.1) and the clamping through hole (2.2) to fix the inflatable bag body (2) on the sliding block (13);
the profiled steel sheet (3) consists of a plurality of trapezoidal unit cells and a plurality of wave troughs (3.3), the wave troughs (3.3) are arranged at two ends of each trapezoidal unit, each trapezoidal unit comprises a wave crest (3.1) and a pair of web plates (3.2), and the web plates (3.2) are arranged at two sides of the wave crest (3.1); the wave trough (3.3) of the profiled steel sheet (3) is fixed on the flange of the steel beam (9);
the gas barrier layer (4) is laid on the profiled steel sheet (3); the heat-insulating layer (5) is fixed on the wave crest (3.1) of the profiled steel sheet (3) through a self-tapping screw (8).
2. A steel structure based functional roofing system as defined in claim 1, wherein: the water drainage and storage layer (7) is arranged above the waterproof layer (6).
3. A steel structure based functional roofing system as defined in claim 1, wherein: the buckle plate screw (14) comprises a U-shaped buckle plate (14.1), a bolt (14.2) and a spring (14.3), the bolt (14.2) vertically penetrates through the U-shaped buckle plate (14.1), one end of the spring (14.3) is fixedly connected with the bolt (14.2), and the other end of the spring is fixedly connected with the top of the U-shaped buckle plate (14.1).
4. A steel structure based functional roofing system as defined in claim 1, wherein: the gas barrier layer (4) is lapped and paved on the profiled steel sheet (3), and a butyl adhesive tape is also stuck at the lapping position.
5. A steel structure based functional roofing system as defined in claim 1, wherein: the included angle between the web plate (3.2) and the wave crest (3.1) of the profiled steel sheet (3) is 100-160 degrees.
6. A steel structure based functional roofing system as defined in claim 1, wherein: still be provided with baroceptor and PLC in the gas bag body (2), gas bag body (2) outside still is provided with aerating device and alarm device, and aerating device's output is linked together with gas bag body (2), and baroceptor's signal output part is connected with PLC's signal input part.
7. A functional roofing system based on steel structures according to claim 6, characterized in that: the inflation device comprises an inflation joint, an inflation pipe, a high-pressure gas cylinder and an electromagnetic valve, wherein the inflation joint is arranged on the inflation bag body (2), and the inflation joint is communicated with the inside and the outside of the inflation bag body (2); the inflation connector is connected with a high-pressure gas cylinder through an inflation tube, the electromagnetic valve is arranged on the inflation tube, and the signal control end of the electromagnetic valve is connected with the signal output end of the PLC.
8. A steel structure based functional roofing system as defined in claim 7, wherein: and the signal output end of the PLC is connected with the signal control end of the alarm device.
9. A steel structure based functional roofing system as defined in claim 1, wherein: the outer surface of the inflatable bag body (2) is provided with a plurality of solid anti-skid protrusions, and the distance between every two adjacent anti-skid protrusions is not more than 200 mm.
10. A construction method of a functional roofing system based on steel structure according to any one of claims 1 to 9, characterized in that: comprises the following steps:
the method comprises the following steps: fixing the slideway (12) and the hanging fastener I (10) on a web plate (3.2) of the steel beam (9);
step two: installing a profiled steel sheet (3); fixing the wave trough (3.3) of the profiled steel sheet (3) on the flange of the steel beam (9) by using a shooting nail (15) or a self-tapping screw (8);
step three: installing a gas barrier layer (4); laying a gas barrier layer (4) on a profiled steel sheet (3), overlapping the gas barrier layer (4) by adopting a downstream overlapping method, wherein the overlapping position is the peak (3.1) position of the profiled steel sheet (3), placing a supporting steel plate with the width of 500-600 mm at two adjacent peaks (3.1) before overlapping and laying, then laying the gas barrier layer (4), then compacting an overlapping joint by using a compression roller, and sealing the overlapping position by sticking a butyl adhesive tape; finally, the supporting steel plate is drawn out;
step four: installing an insulation board, wherein the insulation board is installed at the wave crest (3.1) of the profiled steel sheet (3) by using a tapping screw (8), and the installation position of the tapping screw (8) is the profiled steel sheet (3) below the air barrier layer (4) adhered with the butyl adhesive tape; the heat insulation plate is obliquely installed, and the included angle between the heat insulation plate and the horizontal line is 1-3 degrees;
step five: installing a waterproof layer (6), and sticking the waterproof layer (6) above the heat-insulation plate by using a strong adhesive;
step six: a drainage and water storage layer (7) is arranged on the functional roof system;
step seven: installing a sound insulation layer (1); the double-layer sound insulation layer (1) is fixed together by the pinch plate bolt (14.2), and the sound insulation layer (1) is arranged on a web plate (3.2) of the steel beam (9) by utilizing a hanging fastener II (11) arranged on one side of the pinch plate bolt (14.2);
step eight: installing an air inflation bag body (2); cleaning the surface of a profiled steel sheet (3), ensuring that no foreign matter exists, installing two ends of an inflatable bag body (2) provided with an air pressure sensor, a PLC and an alarm device on a sliding block (13), filling a small amount of air into the inflatable bag body (2) until the inflatable bag body (2) is fixed on the sliding block (13), sliding a plurality of sliding blocks (13) into a slide way (12), and installing blocking blocks at two ends of the slide way (12) when the inflatable bag body (2) is completely installed;
step nine: the inflating device is communicated with the inflating bag body (2) and is tested;
s1, communicating the signal control end of the electromagnetic valve of the air charging device with the signal output end of the PLC;
s2, starting the air charging device and testing;
s 21: detecting an alarm device; the air inflation bag body (2) is filled with air, then the air inflation device is detached, the air inflation bag body (2) is deflated, and when the data sensed by the air pressure sensor keeps low pressure for too long, the alarm device gives an alarm;
s 22: detecting automatic inflation; communicating the inflatable bag body (2) in s21 with an inflating device, when the data detected by the air pressure sensor is too low, transmitting the data to the PLC, and after the PLC analyzes the data, if the air pressure data transmitted by the air pressure sensor is too low, controlling the electromagnetic valve to act by the PLC so that the inflating device inflates the inflatable bag body (2);
s 3: finishing the detection;
step ten: after the functional roof system is assembled, the inflating device is started again to fill the inflating bag body (2) with air.
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| CN202110000983.9A CN112681633A (en) | 2021-01-04 | 2021-01-04 | Functional roof system based on steel structure and construction method thereof |
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Cited By (1)
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