CN108642996B - Deformation joint for first floor or basement roof and road square and construction method thereof - Google Patents

Abstract

The invention provides a deformation joint of a first floor or a basement roof and a road square, which comprises the following components: the middle-buried rubber waterstop (1), a steel plate (2) for reinforcing steel bars, a pre-buried pipeline threaded hose (3), an expansion joint (4), a waterproof layer (5) and waterproof factice (6), wherein the middle-buried rubber waterstop (1) is welded and fixed with the steel plate (2) for reinforcing steel bars, and well bury formula rubber waterstop (1) and have the deformation hole, bury formula rubber waterstop (1) center and the coincidence of the central line of movement joint in, waterproof layer (5) are including two-layer, outdoor waterproof layer and twice waterstop respectively, the first floor outdoor waterproof layer is received the limit and the overlap joint is excessive all tight, form the rubber ring and seal, the second floor waterproof layer is for the pre-buried twice waterstop of structural slab in the seam and take fixed measure when pouring and tamping the concrete, waterproof factice (6) are used for filling up the space between fixed waterproof layer (5) and expansion joint (4), pre-buried pipeline thread hose (3) are set for according to the floor position and are installed under steel sheet (2) for the reinforcing bar.

Description

Deformation joint for first floor or basement roof and road square and construction method thereof

Technical Field

The invention relates to the technical field of industrial buildings and public buildings, in particular to a deformation joint of a first floor or a basement roof and a road square and a construction method thereof.

Background

The prior art exists of deformation joint patterns from node 2 of the national building standard design atlas, page 10J301, 45, as shown in figure 1. Because the structural plates on two sides of the seam need to deform, the upper surface layer and the concrete protective layer are often cracked, and as a result, the structural plates are cracked one by one, and water is mixed in the cracks in rainy days, and even the attractiveness and the use of a road square are seriously influenced. In addition, the problem of how to cross electromechanical lines is not solved, and in practice, lines in the seam are often broken.

Disclosure of Invention

In order to overcome the three problems of the prior art, the method comprises the following steps: 1) the common problem of the square cracking of the road on the top of the seam is solved; 2) the problem of water leakage prevention is solved; 3) various pipeline crossing seams are prevented from being broken; to design the invention

The invention aims to provide a deformation joint of a first layer or a basement roof and a road square, which comprises a middle embedded rubber water stop (1), a steel plate (2) for reinforcing steel bars, a pre-embedded pipeline threaded hose (3), an expansion joint (4), a waterproof layer (5) and waterproof factice (6), wherein the middle embedded rubber water stop (1) is welded and fixed with the steel plate (2) for reinforcing steel bars, the middle embedded rubber water stop (1) is provided with a deformation hole, the height of the deformation hole is set according to the tensile and shearing destructive forces applied to the structural deformation, the center of the middle embedded rubber water stop (1) is superposed with the center line of the deformation joint, the waterproof layer (5) comprises two layers which are respectively an outdoor waterproof layer and two water stops, the first layer of the outdoor waterproof layer is tightly folded and overlapped, a rubber ring seal is formed, accumulated water in the backfill layer is prevented from seeping downwards in a thicker thickness and is prevented from longitudinally finding a slope on a structural plate along the joint to drain away the accumulated water, the second waterproof layer is a structure plate pre-buried double water stop belt in the seam and takes fixing measures when concrete is poured and tamped, the waterproof ointment (6) is used for filling and fixing a gap between the waterproof layer (5) and the expansion joint (4), and the pre-buried threading pipe threaded hose (3) is installed under the steel plate (2) for the steel bar according to the position setting of the floor slab.

Preferably, still include aluminum alloy base (7), back-fire relief area (8), metal anchor bolt (9) expand, stainless steel slide bar (10), joint mixture (11) and the stainless steel sheet corollary device (12) of steel sheet (2) for the reinforcing bar, stainless steel sheet corollary device (12) set up at the movement joint top, aluminum alloy base (7) are located stainless steel sheet corollary device (12) below and landfill in the movement joint, joint mixture (11) landfill is in aluminum alloy base (7) and between the stainless steel sheet corollary device (12), stainless steel slide bar (10) suspend in back-fire relief area (8) top for coordinate the deformation of structural slab, back-fire relief area (8) set up according to A level requirement, metal anchor bolt (9) expand is M6 type, @300 and staggered arrangement.

Preferably, the stainless steel plate matching device (12) comprises a foam plastic rod, sealing paste for joint sealing, a first polyphenyl strip arranged outside the deformation joint, a second polyphenyl strip arranged inside the deformation joint and a middle-buried rubber water stop, and the joint sealing area of the sealing paste is a gap between the first polyphenyl strip and the second polyphenyl strip.

The invention also aims to provide a construction method of the first floor or the basement roof and the deformation joint of the road square, which comprises the following steps for solving the common problem of the cracking of the road square and carrying out waterproof and effective connection of pipelines:

step one, installing a steel plate (2) for reinforcing steel bars, flanging a structural plate to the top or a road surface, if the original structural plate is not to the top, pouring concrete to the top through embedded steel bars, and separating thicker backfill layers on two sides of an expansion joint (4) through waterproof factice (6);

step two, pre-embedded pipeline penetrating threaded hoses (3) are reserved at the end parts of the flanges, so that the embedded pipeline penetrating threaded hoses are in butt joint with pipelines in the structural plate, and the problem that the penetrating pipelines in the seams are easy to damage due to deformation is solved;

step three, implementing strict waterproofing: the first waterproof layer tightly folds the edge of the outdoor waterproof layer and is overlapped excessively to form a rubber ring seal, so that accumulated water in a thick backfill layer is prevented from seeping downwards and is longitudinally found on the structural plate along the seam to drain away the accumulated water, the second waterproof layer is a two-way embedded middle-buried rubber water stop (1) of the structural plate in the seam, and fixing measures are taken during concrete pouring and tamping, so that the indoor ceiling, pipelines and wall surfaces are prevented from being invaded by water.

And fourthly, installing a stainless steel plate matching device (12), an aluminum alloy base belt (7) and a fire retardant belt (8), designing a device with a sliding rod at the top of the seam, namely a stainless steel sliding rod (10) to coordinate the deformation amount of the structural plate, connecting each structural part through a metal expansion anchor bolt (9), and filling the gap between the expansion joint (11) and the part through a gap filling glue (11).

The beneficial effect of adopting above-mentioned technical scheme is: the common problem of the square cracking of the road on the top of the seam is solved; the problem of preventing water leakage and the problem that various pipeline penetrating seams are not broken is solved, and the adaptive structure deformation is adopted to ensure that water leakage does not occur above and below the floor slab, the ground of the road square is not cracked, and the pipeline penetrating seams are not deformed and damaged. The road square ground is not cracked, the appearance is attractive and durable, the waterproof details are realized, the indoor pipelines, the suspended ceiling and the wall surface are practically protected from being damaged, the hidden engineering for passing through the pipelines is reliably guaranteed, and finally, better economic and social benefits are obtained.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Brief description of the drawings

Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. The objects and features of the present invention will become more apparent in view of the following description taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a prior art national building standards design atlas 10J301 page 45 node 2 deformation joint pattern;

FIG. 2 is a diagram of a relation between deformation joints of a first floor or a basement roof and a road square and a surrounding construction environment according to an embodiment of the invention;

FIG. 3 is a schematic structural view of a deformation joint of a first floor or a basement roof and a road square according to an embodiment of the invention;

FIG. 4 is a schematic diagram of an internal structure of deformation joint construction of a first floor or a basement roof and a road square according to an embodiment of the invention.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the present invention is not limited thereto.

The description of fig. 1 is referred to in the background section.

Referring to the attached drawing 2, the deformation joint for the first layer or the basement roof and the road square comprises a middle embedded type rubber water stop belt (1), a steel plate (2) for reinforcing steel bars, a pre-embedded pipeline threaded hose (3), expansion joints (4), a waterproof layer (5) and waterproof factice (6), wherein the middle embedded type rubber water stop belt (1) is welded and fixed with the steel plate (2) for reinforcing steel bars, the middle embedded type rubber water stop belt (1) is provided with a deformation hole, the height of the middle embedded type rubber water stop belt is set according to the tensile and shearing destructive forces applied to structural deformation, the center of the middle embedded type rubber water stop belt (1) is superposed with the center line of the deformation joint, the waterproof layer (5) comprises two layers which are respectively an outdoor waterproof layer and two water stop belts, the first layer of outdoor waterproof layer is tightly folded and overlapped, a rubber ring is closed, accumulated water in the thicker backfill layer is prevented from seeping downwards and is prevented from being drained away along the longitudinal slope of the, the second waterproof layer is a structure plate pre-buried double water stop belt in the seam and takes fixing measures when concrete is poured and tamped, the waterproof ointment (6) is used for filling and fixing a gap between the waterproof layer (5) and the expansion joint (4), and the pre-buried threading pipe threaded hose (3) is installed under the steel plate (2) for the steel bar according to the position setting of the floor slab.

Referring to the attached drawings 3-4, the deformation joint further comprises an aluminum alloy base (7), a fire retardant belt (8), a metal expansion anchor bolt (9), a stainless steel sliding rod (10), joint filling glue (11) and a stainless steel plate matching device (12) of a steel plate (2) for a steel bar, wherein the stainless steel plate matching device (12) is arranged at the top of the deformation joint, the aluminum alloy base (7) is located below the stainless steel plate matching device (12) and is embedded in the deformation joint, the joint filling glue (11) is embedded between the aluminum alloy base (7) and the stainless steel plate matching device (12), the stainless steel sliding rod (10) is suspended above the fire retardant belt (8) and is used for coordinating the deformation of a structural plate, the fire retardant belt (8) is arranged according to the A-level requirement, and the metal expansion anchor bolt (9) is of M6 type and is arranged in a staggered manner of @ 300.

Referring to fig. 2-3, the stainless steel plate kit (12) comprises a foam plastic rod, a sealant for joint sealing, a first polystyrene strip arranged outside a deformation joint, a second polystyrene strip arranged inside the deformation joint, and a middle-buried rubber water stop, wherein the joint sealing area of the sealant is a gap between the first polystyrene strip and the second polystyrene strip.

The construction method of the first layer or basement roof and road square deformation joint comprises the following steps of:

step one, referring to an attached drawing 2, installing a steel plate (2) for reinforcing steel bars, flanging a structural plate to the top or a road surface, if the original structural plate is not to the top, pouring concrete to the top through embedded steel bars, and separating thicker backfill layers on two sides of an expansion joint (4) through waterproof factice (6);

step two, pre-embedded pipeline penetrating threaded hoses (3) are reserved at the end parts of the flanges, so that the embedded pipeline penetrating threaded hoses are in butt joint with pipelines in the structural plate, and the problem that the penetrating pipelines in the seams are easy to damage due to deformation is solved;

step three, referring to the attached figure 3, implementing strict waterproofing: the first waterproof layer tightly folds the edge of the outdoor waterproof layer and is overlapped excessively to form a rubber ring seal, so that accumulated water in a thick backfill layer is prevented from seeping downwards and is longitudinally found on the structural plate along the seam to drain away the accumulated water, the second waterproof layer is a two-way embedded middle-buried rubber water stop (1) of the structural plate in the seam, and fixing measures are taken during concrete pouring and tamping, so that the indoor ceiling, pipelines and wall surfaces are prevented from being invaded by water.

And step four, referring to the attached figure 4, installing a stainless steel plate matching device (12), an aluminum alloy base belt (7) and a fire retardant belt (8), designing a device with a sliding rod at the top of the seam, namely a stainless steel sliding rod (10), coordinating deformation of the structural plate, connecting each structural part through a metal expansion anchor bolt (9), and filling gaps between the expansion joint (11) and the parts through gap filling glue (11).

The problems to be noted in the construction process of the embodiment include:

1. materials: waterproof concrete: c35, impervious grade P8, diameter HRB400 steel bar.

2. The strong deformation joints (including the effective lap joint of the water stop belt being 300 and the concrete, the reinforcing steel bar and the anchor part of the new and old joint surfaces being firmly connected and tightly closed) of the outdoor wall of the east and west sides must be carefully made according to the design and the specification, so that the water-tight and water-tight pipe fitting parts of each joint can be ensured in the future, and the deformation joints of the original basement outer wall can be ensured to meet the design and specification requirements without water leakage. Obtaining the important dimensions of 2-layer indoor floor building elevation and 2-layer outdoor floor structure elevation, implanting deformation joints into the original floor slab according to the standard, welding the deformation joints with original floor slab ribs for 10d, anchoring newly-poured concrete 500, longitudinally extending 200 along the joints, bending the original floor slab when meeting a water stop belt, simultaneously removing 100-thick original floor slab ribs, and reserving the original floor slab ribs,

3. the performance of the water stop belt is shown in national standard 10J301, because the water stop belt is easy to be stretched and sheared and damaged when the structure is deformed, the height of a deformation hole of the rubber water stop belt is properly increased, the performance index of the node water stop belt of the embodiment is shown in national standard 04CJ01-1, and two ends of the middle-buried rubber water stop belt (1) are welded and fixed with steel plates (2) for reinforcing steel bars.

4. Basement roof (road) construction method: (1)60 thick fine grain asphalt concrete surface course; (2)200 and 1 thick: 2: 7, lime: fly ash: grading sand and stone compaction; (3) a 50 thick layer of C20 fine stone concrete; (4) 10-thick low-grade mortar; (5) 2.0 thick polyurethane waterproofing paint; (6)20, thickness 1: 2.5 leveling cement mortar; (7) 2.0 thick lightweight aggregate at the thinnest part, and finding a slope; (8) waterproof reinforced concrete roof.

5. Every process has to be self-checked and passed through strict scrutiny by supervision before the next process can be carried out.

By adopting the scheme of the embodiment, the common problem of the square cracking of the road on the top of the seam can be solved; the problem of preventing water leakage and the problem that various pipeline penetrating seams are not broken is solved, and the adaptive structure deformation is adopted to ensure that water leakage does not occur above and below the floor slab, the ground of the road square is not cracked, and the pipeline penetrating seams are not deformed and damaged. The road square ground is not cracked, the appearance is attractive and durable, the waterproof details are realized, the indoor pipelines, the suspended ceiling and the wall surface are practically protected from being damaged, the hidden engineering for passing through the pipelines is reliably guaranteed, and finally, better economic and social benefits are obtained.

The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, the detailed description and the application scope of the embodiments according to the present invention may be changed by those skilled in the art, and in summary, the present disclosure should not be construed as limiting the present invention.

Claims (4)

1. The utility model provides a first floor or basement roof and road square movement joint which characterized in that includes: the middle-buried rubber waterstop (1), a steel plate (2) for reinforcing steel bars, a pre-buried pipeline threaded hose (3), expansion joints (4), a waterproof layer (5) and waterproof factice (6), wherein the middle-buried rubber waterstop (1) is welded and fixed with the steel plate (2) for reinforcing steel bars, the middle-buried rubber waterstop (1) is provided with a deformation hole, the height of the middle-buried rubber waterstop is set according to the tensile and shearing destructive forces applied to structural deformation, the center of the middle-buried rubber waterstop (1) is superposed with the central line of the deformation joint, the waterproof layer (5) comprises two layers, namely a first outdoor waterproof layer and a second waterproof layer, the first outdoor waterproof layer is excessively tight in edge folding and overlapping, a rubber ring is formed for sealing, accumulated water in a backfill layer is cut off to seep downwards and is found to drain away the accumulated water along the longitudinal joint on a structural slab, the second waterproof layer is a middle-structure slab pre-buried two waterstops and takes a fixing measure when concrete is poured, the waterproof ointment (6) is used for filling and fixing a gap between the waterproof layer (5) and the expansion joint (4), and the embedded threading pipe threaded hose (3) is arranged under the steel plate (2) for the steel bar according to the position setting of the floor slab.

2. The first layer or basement roof and road square deformation joint as claimed in claim 1, characterized by further comprising an aluminum alloy base (7), a fire retardant belt (8), a metal expansion anchor bolt (9), a stainless steel sliding rod (10), a joint sealant (11) and a stainless steel plate matching device (12) of a steel plate (2) for reinforcing steel bars, wherein the stainless steel plate matching device (12) is arranged on the top of the deformation joint, the aluminum alloy base (7) is positioned below the stainless steel plate matching device (12) and is embedded in the deformation joint, the joint sealant (11) is embedded between the aluminum alloy base (7) and the stainless steel plate matching device (12), the stainless steel sliding rod (10) is suspended above the fire retardant belt (8) and is used for coordinating the deformation of the structural plate, the fire retardant belt (8) is arranged according to the A-level requirement, the metal expansion anchor bolt (9) is of M6 type, @300 and staggered.

3. The deformation joint for the first floor or the top plate of the basement and the road square as claimed in claim 2, wherein: the stainless steel plate matching device (12) comprises a foam plastic rod, sealing paste for joint filling and sealing, a first polyphenyl strip arranged outside a deformation joint, a second polyphenyl strip arranged inside the deformation joint and a middle-buried rubber water stop, wherein the joint filling and sealing area of the sealing paste is a gap between the first polyphenyl strip and the second polyphenyl strip.

4. A construction method of deformation joint of first floor or basement roof and road square according to any one of claims 1-3, for solving the common problem of road square cracking and performing waterproof and pipeline effective connection, comprising the following steps:

step one, installing a steel plate (2) for reinforcing steel bars, flanging a structural plate to the top or a road surface, if the original structural plate is not to the top, pouring concrete to the top through embedded steel bars, and separating thicker backfill layers on two sides of an expansion joint (4) through waterproof factice (6);

step two, pre-embedded pipeline penetrating threaded hoses (3) are reserved at the end parts of the flanges, so that the embedded pipeline penetrating threaded hoses are in butt joint with pipelines in the structural plate, and the problem that the penetrating pipelines in the seams are easy to damage due to deformation is solved;

step three, implementing strict waterproofing: the first waterproof is to tightly close the outdoor waterproof layer and overlap the outdoor waterproof layer, so that a rubber ring is formed for sealing, the problem that accumulated water in a thick backfill layer seeps downwards and is drained away by longitudinally finding a slope on the structural plate along a seam is solved, the second waterproof is to embed two middle-embedded rubber water stops (1) in the structural plate in the seam, and fixing measures are taken during concrete pouring, so that the indoor ceiling, pipelines and wall surfaces are prevented from being invaded by water;

and fourthly, installing a stainless steel plate matching device (12), an aluminum alloy base belt (7) and a fire retardant belt (8), designing a device with a sliding rod at the top of the seam, namely a stainless steel sliding rod (10) to coordinate the deformation amount of the structural plate, connecting each structural part through a metal expansion anchor bolt (9), and filling the gap between the expansion joint (11) and the part through a gap filling glue (11).

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