CN111779146B - Building expansion joint and construction process thereof - Google Patents
Building expansion joint and construction process thereof Download PDFInfo
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- CN111779146B CN111779146B CN202010640227.8A CN202010640227A CN111779146B CN 111779146 B CN111779146 B CN 111779146B CN 202010640227 A CN202010640227 A CN 202010640227A CN 111779146 B CN111779146 B CN 111779146B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6801—Fillings therefor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6803—Joint covers
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6806—Waterstops
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/70—Drying or keeping dry, e.g. by air vents
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
Abstract
The utility model relates to a building expansion joint and a construction process thereof, which comprises a plurality of wallboards, wherein the expansion joint is formed between the adjacent wallboards, the wallboards are all provided with mounting grooves communicated with the expansion joint, a cover plate is arranged between the adjacent mounting grooves, an elastic expansion block is fixed between the side wall of the cover plate and the side wall of the mounting groove, the upper surface of the adjacent wallboards is provided with clamping grooves, pressing plates are inserted in the clamping grooves, the top ends of the pressing plates extend out of the clamping grooves and horizontally extend to the upper surface of the cover plate, the pressing plates cover the elastic expansion block, a plurality of reserved grooves are arranged on the side wall of the pressing plates extending into the clamping grooves, the reserved grooves are connected with reserved blocks in a sliding way, a plurality of elastic pieces are fixed between the reserved blocks and the reserved grooves, when the pressing plates are inserted into the clamping grooves, reserve the piece and be extruded to getting into the reservation inslot completely by the card groove, reserve the inslot lateral wall and offer a plurality of confessions and reserve piece male constant head tank, this application has the effect that improves the expansion joint security.
Description
Technical Field
The application relates to the technical field of expansion joints, in particular to a building expansion joint and a construction process thereof.
Background
The building expansion joint is a structural joint which is arranged along a proper position of a building or a construction joint direction of the building in order to prevent the structure from generating cracks or damage due to climate temperature change (thermal expansion and cold contraction); the expansion joint divides building components above a foundation such as a wall, a floor and a roof (except a wooden roof) into two independent parts, so that the building or the structure can horizontally expand and contract along the length direction.
Referring to fig. 1, the existing building expansion joint includes two wallboards 1, leaves expansion joint 2 between two wallboards 1, all sets up the mounting groove 3 that communicates with each other in expansion joint 2 on wallboard 1, has placed apron 32 between two mounting grooves 3, is fixed with flexible piece 33 between apron 32 lateral wall and the 3 lateral walls of mounting groove, and flexible piece 33 upper surface, apron 32 upper surface all flush with wallboard 1 upper surface.
To the correlation technique among the above-mentioned, the inventor thinks there is when two wallboards are heated the inflation and are close to each other, and base and apron can extrude the flexible piece, leads to the flexible piece arch even pop out, causes expansion joint security greatly reduced's defect.
Disclosure of Invention
In order to solve the defect of expansion joint security greatly reduced, this application provides a building expansion joint and construction process thereof.
First aspect, this application provides a building expansion joint, adopts following technical scheme:
a building expansion joint comprises a plurality of wall boards, wherein expansion joints are formed between adjacent wall boards, mounting grooves communicated with the expansion joints are formed in the wall boards, a cover plate is arranged between the adjacent mounting grooves, an elastic expansion block is fixed between the side wall of the cover plate and the side wall of the mounting groove, the upper surface of the elastic expansion block and the upper surface of the wall board are flush, clamping grooves are formed in the upper surfaces of the adjacent wall boards, pressing plates are inserted into the clamping grooves, the top ends of the pressing plates extend out of the clamping grooves and horizontally extend to the upper surface of the cover plate, the pressing plates cover the elastic expansion block, a plurality of reserved grooves are formed in the side wall of each pressing plate extending into the corresponding clamping groove, reserved blocks are connected in a sliding mode in the reserved grooves, a plurality of elastic pieces are fixed between the reserved blocks and the reserved grooves, when the elastic pieces are in a natural state, a part of the, the reservation piece is extruded to getting into the reservation inslot completely by the card groove, and a plurality of confessions are reserved a male constant head tank in reservation inslot lateral wall.
Through adopting above-mentioned technical scheme, when inserting the clamp plate in the draw-in groove, reserve the piece and receive the extrusion of draw-in groove and get into the reservation inslot completely, the elastic component produces the compression simultaneously, continue to insert the draw-in groove with the clamp plate, when reserving the piece and reacing constant head tank department, the resilience force of elastic component makes and reserves the piece and inserts in the constant head tank, the two parts in reservation groove this moment are located reservation groove and constant head tank respectively, the clamp plate lower surface flushes with the wallboard upper surface this moment, the clamp plate covers the elastic expansion piece, when two wall body thermal expansions make the elastic expansion piece shrink, the clamp plate removes on the apron, do not hinder under the prerequisite that the wallboard is close to each other, can cover the elastic expansion piece all the time, the elastic expansion piece arch has effectively been prevented or pop out and break away from the mounting groove, and then the security at expansion joint has been improved greatly.
Preferably, the upper surface of the wallboard is provided with a glue injection hole communicated with the clamping groove, and the side wall of the pressing plate extending into the clamping groove is provided with a plurality of shunting holes communicated with the preformed groove.
Through adopting above-mentioned technical scheme, after the clamp plate inserts the draw-in groove, glue the building and pour into through the injecting glue hole for when the building glues and carries out fixed bonding with the gap between draw-in groove and the clamp plate, can flow into the reservation inslot through the diffluence orifice, and then can carry out fixed bonding with reservation piece, elastic component and reservation inslot wall, improved the steadiness of clamp plate greatly, in order to guarantee the safety of expansion joint.
Preferably, a plurality of flexible chambeies have been seted up to the inner wall of elastic expansion piece, and a plurality of holding tanks have been seted up to the clamp plate lower surface that is located elastic expansion piece top.
Through adopting above-mentioned technical scheme, the setting in flexible chamber makes the flexible piece when flexible, can prevent effectively that the flexible piece from producing the arch, and the setting of holding tank can hold bellied flexible piece a little simultaneously to prevent that the flexible piece is too closely knit to lead to unable continuation compression.
Preferably, the vertical section in the accommodating groove is triangular, and two inclined planes of the accommodating groove face the cover plate and the wallboard respectively.
Through adopting above-mentioned technical scheme, because during wallboard expend with heat and contract with cold, the clamp plate carries out relative movement, and the slope inner wall of holding tank can make if the protruding holding tank back of going into of elastic expansion piece, elastic expansion piece can be along holding tank slope inner wall roll-off, and the clamp plate removes can relax more.
Preferably, the upper surface of the pressing plate is provided with a plurality of drying holes, water absorption bags are placed in the drying holes, the bottom ends of the water absorption bags are abutted to the upper surface of the cover plate, and the upper surface of the pressing plate is provided with a sealing assembly for sealing the drying holes.
Through adopting above-mentioned technical scheme, if there is water between clamp plate and apron, the bag that absorbs water in the drying hole can absorb moisture, has effectively prevented that moisture from getting into the expansion joint through the gap between clamp plate and the apron, further improvement the security of expansion joint.
Preferably, the water absorption bag is made by filling quicklime powder into a plurality of yarn bags and stringing the yarn bags with needles and threads.
Through adopting above-mentioned technical scheme, the setting of a plurality of yarn bags is compared and is filled with quick lime in a yarn bag, more saves the cost, can also increase the area of contact of the interior lime of every yarn bag and external world simultaneously, has improved the effect that absorbs water.
Preferably, the sealing assembly comprises a sealing outer plate, a sealing inner plate, a sealing ring and a plurality of sealing screws, the sealing inner plate is fixed on the lower surface of the sealing outer plate, the sealing ring is fixedly embedded in the circumferential side wall of the sealing inner plate, the sealing inner plate is inserted into the drying hole, and the sealing screws penetrate through the sealing outer plate and then are in threaded connection with the pressing plate.
Through adopting above-mentioned technical scheme, when sealed inner panel inserted the drying hole, sealed inner panel lateral wall extrudeed the sealing washer with the drying hole lateral wall, can improve the leakproofness in drying hole greatly, has effectively prevented that external moisture from directly getting into from the top in drying hole.
Preferably, the equal fixedly connected with slope of wallboard upper surface sets up the waterproof board, and the top of waterproof board is towards the expansion joint, has set firmly the tarpaulin between the top of two waterproof boards.
Through adopting above-mentioned technical scheme, the setting up of waterproof board has effectively prevented rivers to clamp plate department on the wallboard, and the waterproof cloth is further covers the expansion joint, has effectively prevented moisture entering expansion joint, has improved the security at expansion joint.
Preferably, the bottom wall all is fixed with the base in the mounting groove, and in the one end of base stretched into the expansion joint, the other end of base upwards protruding to flushing with the wallboard upper surface, the upper surface at two bases was placed to the apron, and the flexible piece of elasticity is fixed between apron and base, the both sides of the flexible piece respectively with apron lateral wall and base bulge fixed connection, flexible piece lower surface and base upper surface fixed, flexible piece upper surface flushes with the wallboard upper surface.
Through adopting above-mentioned technical scheme, the intensity of mounting groove has been strengthened in the setting of base, has prevented effectively that the extrusion of elastic expansion piece is inhomogeneous to lead to crushing the mounting groove inner wall, further improvement the security and the steadiness at expansion joint.
The second aspect, this application provides a building expansion joint construction process, adopts following technical scheme:
a construction process for a building expansion joint comprises the following steps:
s1, arranging mounting grooves on the two wall boards, and cleaning the inner walls of the mounting grooves;
s2, fixing bases in the two mounting grooves respectively, placing cover plates on the two bases to enable the cover plates to cover the expansion joints, fixing elastic expansion blocks with expansion cavities between the cover plates and the bases, and enabling the upper surfaces of the elastic expansion blocks and the cover plates to be flush with the upper surface of the wall plate;
s3, forming a clamping groove on the upper surface of the wallboard, forming a plurality of positioning grooves on the inner side wall of the clamping groove, forming a plurality of accommodating grooves on the lower surface of the pressing plate above the elastic telescopic block, forming a plurality of preformed grooves on the side wall of the pressing plate inserted into the clamping groove, fixing the elastic piece in the preformed grooves, and fixing the preformed block on the elastic piece;
s4, arranging a plurality of shunting holes communicated with the reserved groove on the side wall of the pressing plate inserted into the clamping groove, arranging a plurality of glue injection holes communicated with the clamping groove on the upper surface of the wallboard, inserting the pressing plate into the clamping groove, extending the top end of the pressing plate out of the clamping groove and horizontally extending to the upper surface of the cover plate, covering the elastic telescopic block by the pressing plate, and injecting building glue into the glue injection holes, so that the building glue fills gaps between the clamping groove and the pressing plate, the shunting holes and the inside of the accommodating groove for fixed bonding;
s5, forming a plurality of drying holes in the pressing plate, placing water absorption bags in the drying holes, inserting the sealing inner plate into the drying holes, and screwing the sealing screws on the pressing plate after penetrating through the sealing outer plate;
and S6, fixing waterproof boards on the upper surfaces of the wallboards respectively, and fixing waterproof cloth between the top ends of the waterproof boards.
By adopting the technical scheme, firstly, the mounting groove is arranged and the inner wall of the mounting groove is cleaned so as to fix the base, after the base is fixed, the cover plate is placed on the two bases, the cover plate covers the expansion joint, the elastic expansion block is fixed on the cover plate and the base, the upper surface of the elastic expansion block and the upper surface of the cover plate are ensured to be flush with the upper surface of the wallboard, the upper surface of the wallboard is provided with the clamping groove, a plurality of positioning grooves are arranged in the clamping groove, the wallboard is provided with the glue injection hole, the pressing plate is provided with the shunt hole communicated with the reserved groove, the pressing plate with the elastic piece and the reserved block is inserted into the clamping groove, the reserved block is inserted into the positioning grooves, the pressing plate covers the elastic expansion block, the fixing of the pressing plate is very convenient, the building glue is injected into the glue injection hole, the gap between the clamping groove and the pressing plate, the shunt hole and the inner filling of the accommodating groove are fixedly bonded by the building glue, offer the drying hole on with the clamp plate, the bag that will absorb water is put into the drying hole, can prevent effectively that moisture from getting into the expansion joint from the gap between clamp plate and the apron, insert the drying hole with sealed inner panel again and make the sealing washer compressed tightly, screw up on the apron after running through sealed planking with the sealing screw, can prevent effectively that external moisture from directly getting into from the top in drying hole, fix waterproof board and tarpaulin at last, it is protruding or pop out effectively to have solved the flexible piece of elasticity, and the defect that the expansion joint was intake, the security at expansion joint has been improved greatly.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the pressing plate is inserted into the clamping groove, the reserved block is completely extruded by the clamping groove and enters the reserved groove, meanwhile, the elastic piece is compressed, the pressing plate is continuously inserted into the clamping groove, the reserved block is inserted into the positioning groove due to the resilience force of the elastic piece, two parts of the reserved groove are respectively positioned in the reserved groove and the positioning groove, the elastic expansion block is covered by the pressing plate, the elastic expansion block is effectively prevented from being protruded or popped out of the mounting groove, and the safety of the expansion joint is greatly improved;
2. the water absorption bags in the drying holes can absorb moisture, so that the moisture is effectively prevented from entering the expansion joint through a gap between the pressing plate and the cover plate, and the safety of the expansion joint is further improved;
3. the setting up of waterproof board has effectively prevented rivers to clamp plate department on the wallboard, and the waterproof cloth is further hides the expansion joint, has effectively prevented moisture entering expansion joint, has improved the security at expansion joint.
Drawings
Fig. 1 is a schematic structural view of the related art;
FIG. 2 is a cross-sectional view of an embodiment of the present application;
FIG. 3 is an enlarged partial schematic view of portion A of FIG. 2;
FIG. 4 is an enlarged partial schematic view of portion B of FIG. 2;
fig. 5 is a partially enlarged schematic view of a portion C in fig. 2.
In the figure, 1, wall panel; 2. an expansion joint; 3. mounting grooves; 31. a base; 32. a cover plate; 33. an elastic expansion block; 331. a telescoping chamber; 4. a card slot; 41. positioning a groove; 42. injecting glue holes; 43. a shunt hole; 5. pressing a plate; 51. reserving a groove; 52. an elastic member; 53. reserving a block; 54. accommodating grooves; 6. drying the pores; 61. a water suction bag; 7. a seal assembly; 71. sealing the outer plate; 72. sealing the inner plate; 73. a seal ring; 74. a sealing screw; 8. a waterproof sheet; 81. waterproof cloth; 9. a water stop; 91. a flame retardant tape.
Detailed Description
The present application is described in further detail below with reference to figures 2-5.
The embodiment of the application discloses a building expansion joint.
Referring to fig. 2, the building expansion joint includes a plurality of horizontal and flush wall boards 1, an expansion joint 2 is formed between adjacent wall boards 1, each wall board 1 is provided with a mounting groove 3 communicated with the expansion joint 2, a base 31 is fixed on the bottom wall of each mounting groove 3, in this embodiment, the base 31 is made of an aluminum alloy material, one end of each adjacent base 31 close to each other extends into the expansion joint 2, the other end of the base 31 extends upward and is flush with the upper surface of the wall board 1, a cover plate 32 is placed on the adjacent base 31, in this embodiment, the cover plate 32 is made of an aluminum alloy material, the cover plate 32 covers the expansion joint 2, an elastic expansion block 33 is fixed between the cover plate 32 and the base 31, in this embodiment, the elastic expansion block 33 is made of a rubber material, the elastic expansion blocks 33 are respectively located at two sides of the cover plate 32, the elastic expansion blocks 33 are respectively fixedly bonded with the side walls of the cover plate 32, the upper surface of the base 31 and the side walls of the protruding parts of the base 31, the upper surfaces of the elastic expansion blocks 33, the cover plate 32 and the wall plate 1 are flush; when wallboard 1 carries out the thermal expansion, adjacent wallboard 1 is close to each other, and expansion joint 2 narrows down gradually, and two bases 31 are close to gradually simultaneously, and the elastic expansion piece 33 all produces the compression.
As shown in fig. 2 and 3, a strip-shaped slot 4 is formed in the upper surface of the wall board 1 near the cover plate 32, the slot 4 is vertically formed, a pressing plate 5 is inserted into the slot 4, the top end of the pressing plate 5 extends out of the slot 4 and horizontally extends onto the cover plate 32, the pressing plate 5 covers the elastic expansion block 33, the lower surface of the pressing plate 5 is flush with the upper surface of the wall board 1, a plurality of reserved slots 51 are formed in the side wall of the pressing plate 5 inserted into the slot 4, a reserved block 53 is connected in the reserved slots 51 in a sliding manner, a plurality of elastic members 52 are fixed between the reserved block 53 and the reserved slots 51, in this embodiment, the elastic members 52 are springs, the elastic members 52 expand and contract to enable the reserved block 53 to slide in the reserved slots 51, when the elastic members 52 are in a natural state, a part of the reserved block 53 protrudes out of the reserved slots 51 is obliquely arranged, when the pressing plate 5 is inserted into the slot 4, the reserved block 53 is completely pushed into the reserved slots 51 by the slot 4, the inner side wall of the slot 4 is provided with a plurality of positioning slots 41 for inserting the reserved block 53.
Insert draw-in groove 4 with clamp plate 5, reserve piece 53 and be pushed and get into in reservation groove 51 completely, elastic component 52 compresses simultaneously, when reserving piece 53 and reacing constant head tank 41 department, elastic component 52's resilience force makes it will reserve piece 53 top tightly in constant head tank 41, reserve piece 53's two parts this moment and be located reservation groove 51 and constant head tank 41 respectively, can accomplish clamp plate 5's fixed, 5 lower surfaces of clamp plate and the flexible piece 33 of elasticity are down the surface laminating and cover it this moment, effectively prevented when 1 thermal expansion of wallboard is close to each other, flexible piece 33 produces the arch or pops out and breaks away from mounting groove 3, and then improved expansion joint 2's security greatly.
As shown in fig. 2 and 3, the upper surface of the wall plate 1 is provided with a plurality of glue injection holes 42 communicated with the clamping grooves 4, and the side wall of the pressing plate 5 extending into the clamping grooves 4 is provided with a plurality of shunting holes 43 communicated with the reserved grooves 51; through pouring into building glue in the towards glue injection hole 42 for building glue can fix the bonding with the gap between draw-in groove 4 and the clamp plate 5, the gap packing between reservation piece 53 and the constant head tank 41, and building glue is fixed elastic component 52 and reservation piece 53 in can be more quick inflow reservation groove 51 through flow distribution hole 43 simultaneously, has improved overall stability greatly.
As shown in fig. 2 and 4, a plurality of flexible cavities 331 are formed inside the flexible block 33, a plurality of accommodating grooves 54 are formed on the lower surface of the pressing plate 5 attached to the flexible block 33, the length direction of the accommodating grooves 54 is parallel to the length direction of the expansion joint 2, the vertical cross section of the accommodating grooves 54 is triangular, and two inclined surfaces of the accommodating grooves 54 face the cover plate 32 and the side wall of the installation groove 3 respectively; when the elastic expansion piece 33 compresses, the volume of the expansion cavity 331 gradually decreases, the elastic expansion piece 33 can be effectively prevented from generating a bulge, meanwhile, the accommodating groove 54 can accommodate the elastic expansion piece 33 which is slightly convex, so that the elastic expansion piece 33 can be compressed too compactly to continue compression, and the pressing plate 5 needs to slide relatively, the inclined plane of the accommodating groove 54 enables the pressing plate 5 to slide on the elastic expansion piece 33 more smoothly, and the elastic expansion piece 33 is effectively prevented from causing too much resistance to the movement of the pressing plate 5.
As shown in fig. 5, a plurality of drying holes 6 are formed in the upper surface of a pressing plate 5, water absorption bags 61 are placed in the drying holes 6, the bottoms of the water absorption bags 61 are attached to the upper surface of a cover plate 32, the water absorption bags 61 are manufactured by filling quicklime powder into a plurality of yarn bags and stringing the yarn bags together with needles and threads, and a sealing assembly 7 for sealing the drying holes 6 is arranged on the upper surface of the pressing plate 5; the water absorption bag 61 in the drying hole 6 can absorb moisture in a gap between the pressing plate 5 and the cover plate 32, so that the moisture is effectively prevented from entering the expansion joint 2 between the pressing plate 5 and the cover plate 32, the safety of the expansion joint 2 is improved, and a series of water absorption bags 61 can be taken out and replaced by opening the sealing assembly 7.
As shown in fig. 5, the sealing assembly 7 includes a sealing outer plate 71, a sealing inner plate 72, a sealing ring 73 and a plurality of sealing screws 74, the lower surface of the sealing outer plate 71 is attached to the upper surface of the pressure plate 5, the sealing inner plate 72 is inserted into the drying hole 6, the sealing ring 73 is fixedly embedded on the circumferential side wall of the sealing inner plate 72, the sealing inner plate 72 and the inner wall of the drying hole 6 tightly squeeze the sealing ring 73, and the sealing screws 74 penetrate through the sealing outer plate 71 and are then screwed on the pressure plate 5; the sealing ring 73 can seal the gap between the sealing inner plate 72 and the drying hole 6, and the sealing outer plate 71 is engaged with the pressing plate 5, so that the moisture can be effectively prevented from entering from the opening of the drying hole 6, and the water suction bag 61 can be replaced by opening the sealing screw 74.
Referring back to fig. 2, the upper surface of the wall plate 1 is fixedly connected with a waterproof plate 8 which is obliquely arranged, the top end of the waterproof plate 8 faces the direction of the expansion joint 2, the bottom end of the waterproof plate 8 is located between the glue injection hole 42 and the drying hole 6, the length direction of the waterproof plate 8 is parallel to the length direction of the expansion joint 2, the drying hole 6 and the sealing component 7 are covered by the waterproof plate 8, a stretchable waterproof cloth 81 is fixed between the top ends of the opposite waterproof plates 8, in this embodiment, the waterproof cloth 81 is PVC waterproof canvas, a water stop 9 is fixed between the adjacent bases 31 extending into the expansion joint 2, the bottom end of the water stop 9 is pulled downward, in this embodiment, the water stop 9 is made of rubber, a flame retardant belt 91 is fixed between the opposite inner walls of the expansion joint 2, the bottom end of the flame retardant belt 91 is pulled downward, and in this embodiment, the flame retardant belt 91 is a flame retardant rubber plate; the waterproof board 8 and the waterproof cloth 81 are arranged to directly and effectively prevent external moisture from entering, the water stop belt 9 and the flame-retardant belt 91 are arranged to perform subsequent waterproofing and flame retarding inside the expansion joint 2, and the safety of the expansion joint 2 is greatly improved.
The implementation principle of this application embodiment at building expansion joint does: when the construction of the building expansion joint 2 is carried out, firstly, the upper surface of the wall plate 1 is provided with the mounting groove 3, the flame-retardant belt 91 is fixed in the expansion joint 2, the base 31 is fixed in the mounting groove 3, the water stop belt 9 is fixed between the adjacent bases 31, the cover plate 32 is placed on the adjacent bases 31 and covers the expansion joint 2, the elastic expansion block 33 is fixed between the cover plate 32 and the base 31, the upper surface of the elastic expansion block 33 and the upper surface of the cover plate 32 are flush with the upper surface of the wall plate 1, the wall plate 1 is provided with the clamping groove 4, the clamping groove 4 is provided in the clamping groove 4, the positioning groove 41 is arranged in the clamping groove 4, the glue injection hole 42 communicated with the clamping groove 4 is started on the wall plate 1, the partial side wall of the pressing plate 5 inserted into the clamping groove 4 is provided with the shunting hole 43 communicated with the reserved groove 51, the pressing plate 5 is inserted into the clamping groove 4, the reserved block 53 is completely extruded into the reserved groove 51, meanwhile, the elastic piece 52 is compressed, when the reserved block 53 reaches the positioning groove 41, the reserved block 53 is tightly pushed in the positioning groove 41 by the resilience force of the elastic part 52, at the moment, two parts of the reserved block 53 are respectively positioned in the reserved groove 51 and the positioning groove 41, so that the fixing of the pressing plate 5 can be completed, at the moment, the lower surface of the pressing plate 5 is attached to and covers the lower surface of the elastic telescopic block 33, the elastic telescopic block 33 is effectively prevented from being raised or popped out to be separated from the mounting groove 3 when the wallboard 1 is close to each other due to thermal expansion, and the safety of the expansion joint 2 is greatly improved; set up a plurality of drying holes 6 on clamp plate 5 upper surface to put water absorption bag 61 in drying hole 6, seal 6 upper shed in drying hole through seal assembly 7, fix waterproof board 8 on wallboard 1, and make waterproof cloth 81 cover drying hole 6 and seal assembly 7, fix waterproof cloth 81 at the top of adjacent waterproof board 8, can play the effect that waterproof prevention of seepage passed through to expansion joint 2, improved expansion joint 2's security greatly.
The embodiment of the application also discloses a construction process of the building expansion joint.
The method comprises the following steps:
s1, arranging mounting grooves 3 on the two wall boards 1, cleaning the inner walls of the mounting grooves 3, and fixing the flame-retardant belts 91 in the expansion joints 2;
s2, fixing the bases 31 in the two mounting grooves 3 respectively, fixing the water stop belt 9 between the two bases 31, placing the cover plate 32 on the two bases 31 to enable the cover plate 32 to cover the expansion joint 2, fixing the elastic expansion block 33 with the expansion cavity 331 between the cover plate 32 and the bases 31, and enabling the upper surfaces of the elastic expansion block 33 and the cover plate 32 to be flush with the upper surface of the wallboard 1;
s3, forming a clamping groove 4 on the upper surface of the wallboard 1, forming a plurality of positioning grooves 41 on the inner side wall of the clamping groove 4, forming a plurality of accommodating grooves 54 on the lower surface of the pressing plate 5 above the elastic telescopic block 33, forming a plurality of reserved grooves 51 on the side wall of the pressing plate 5 inserted into the clamping groove 4, fixing the elastic element 52 in the reserved grooves 51, and fixing the reserved blocks 53 on the elastic element 52;
s4, arranging a plurality of shunting holes 43 communicated with the reserved groove 51 on the side wall of the pressing plate 5 inserted into the clamping groove 4, arranging a plurality of glue injection holes 42 communicated with the clamping groove 4 on the upper surface of the wallboard 1, and injecting building glue into the glue injection holes 42 after inserting the pressing plate 5 into the clamping groove 4, so that the building glue fills the gap between the clamping groove 4 and the pressing plate 5, the shunting holes 43 and the inside of the accommodating groove 54 for fixed bonding;
s5, forming a plurality of drying holes 6 in the pressing plate 5, placing the water absorption bags 61 in the drying holes 6, inserting the sealing inner plate 72 into the drying holes 6, and screwing the sealing screws 74 on the cover plate 32 after penetrating the sealing outer plate 71;
s6, fixing waterproof boards 8 on the upper surfaces of the wall boards 1, and fixing waterproof cloth 81 between the top ends of the waterproof boards 8.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a building expansion joint, includes a plurality of wallboards (1), form expansion joint (2) between adjacent wallboard (1), all set up mounting groove (3) that communicate with each other in expansion joint (2) on wallboard (1), place apron (32) between adjacent mounting groove (3), be fixed with flexible piece (33) between apron (32) lateral wall and mounting groove (3) lateral wall, flexible piece (33) upper surface, apron (32) upper surface all flushes its characterized in that with wallboard (1) upper surface: the upper surface of the adjacent wallboard (1) is provided with a clamping groove (4), a pressing plate (5) is inserted into the clamping groove (4), the top end of the pressing plate (5) extends out of the clamping groove (4) and horizontally extends to the upper surface of the cover plate (32), the pressing plate (5) covers the elastic telescopic block (33), the side wall of the pressing plate (5) extending into the clamping groove (4) is provided with a plurality of reserved grooves (51), the reserved grooves (51) are connected with reserved blocks (53) in a sliding mode, a plurality of elastic pieces (52) are fixed between the reserved blocks (53) and the reserved grooves (51), when the elastic pieces (52) are in a natural state, one part of each reserved block (53) protrudes out of each reserved groove (51), the side wall of the part of each reserved block (53) which protrudes out of each reserved groove (51) is obliquely arranged, when the pressing plate (5) is inserted into the clamping groove (4), each reserved block (53) is extruded by the clamping groove (, the inner side wall of the reserved groove (51) is provided with a plurality of positioning grooves (41) for inserting the reserved blocks (53).
2. A building expansion joint according to claim 1, wherein: the upper surface of the wallboard (1) is provided with glue injection holes (42) communicated with the clamping grooves (4), and the side wall of the pressing plate (5) extending into the clamping grooves (4) is provided with a plurality of shunting holes (43) communicated with the reserved grooves (51).
3. A building expansion joint according to claim 1, wherein: a plurality of flexible chambeies (331) have been seted up to the inner wall of elastic expansion piece (33), and a plurality of holding tanks (54) have been seted up to clamp plate (5) lower surface that is located elastic expansion piece (33) top.
4. A building expansion joint according to claim 3, wherein: the vertical section in the accommodating groove (54) is triangular, and two inclined surfaces of the accommodating groove (54) face the cover plate (32) and the wall plate (1) respectively.
5. A building expansion joint according to claim 1, wherein: the water-absorbing cover is characterized in that a plurality of drying holes (6) are formed in the upper surface of the pressing plate (5), water-absorbing bags (61) are placed in the drying holes (6), the bottom ends of the water-absorbing bags (61) are abutted to the upper surface of the cover plate (32), and a sealing assembly (7) for sealing the drying holes (6) is arranged on the upper surface of the pressing plate (5).
6. A building expansion joint according to claim 5, wherein: the water absorption bag (61) is made by filling quicklime powder into a plurality of yarn bags and stringing the yarn bags with needles and threads.
7. A building expansion joint according to claim 5, wherein: the sealing assembly (7) comprises a sealing outer plate (71), a sealing inner plate (72), a sealing ring (73) and a plurality of sealing screws (74), the sealing inner plate (72) is fixed on the lower surface of the sealing outer plate (71), the sealing ring (73) is fixedly embedded in the circumferential side wall of the sealing inner plate (72), the sealing inner plate (72) is inserted into the drying hole (6), and the sealing screws (74) penetrate through the sealing outer plate (71) and then are in threaded connection with the pressing plate (5).
8. A building expansion joint according to claim 1, wherein: wallboard (1) upper surface equal fixedly connected with slope waterproof board (8) that set up, the top of waterproof board (8) is towards expansion joint (2), has set firmly tarpaulin (81) between the top of two waterproof board (8).
9. A building expansion joint according to claim 1, wherein: base (31) are all fixed with to the bottom wall in mounting groove (3), the one end of base (31) stretches into in expansion joint (2), the other end of base (31) upwards protruding to flushing with wallboard (1) upper surface, place the upper surface at two bases (31) apron (32), elastic expansion piece (33) are fixed between apron (32) and base (31), the both sides of elastic expansion piece (33) respectively with apron (32) lateral wall and base (31) bulge fixed connection, elastic expansion piece (33) lower surface and base (31) upper surface fixed, elastic expansion piece (33) upper surface flushes with wallboard (1) upper surface.
10. The construction process of a building expansion joint according to any one of claims 1 to 9, wherein: the method comprises the following steps:
s1, arranging mounting grooves (3) on the two wall boards (1), and cleaning the inner walls of the mounting grooves (3);
s2, fixing bases (31) in the two mounting grooves (3) respectively, placing cover plates (32) on the two bases (31) to enable the cover plates (32) to cover the expansion joints (2), fixing elastic expansion blocks (33) with expansion cavities (331) between the cover plates (32) and the bases (31), and enabling the upper surfaces of the elastic expansion blocks (33) and the cover plates (32) to be flush with the upper surface of the wallboard (1);
s3, arranging a clamping groove (4) on the upper surface of a wallboard (1), arranging a plurality of positioning grooves (41) on the inner side wall of the clamping groove (4), arranging a plurality of accommodating grooves (54) on the lower surface of a pressing plate (5) above an elastic telescopic block (33), arranging a plurality of reserved grooves (51) on the side wall of the pressing plate (5) inserted into the clamping groove (4), fixing an elastic piece (52) in the reserved grooves (51), and fixing a reserved block (53) on the elastic piece (52);
s4, arranging a plurality of shunting holes (43) communicated with a reserved groove (51) on the side wall of a pressing plate (5) inserted into a clamping groove (4), arranging a plurality of glue injection holes (42) communicated with the clamping groove (4) on the upper surface of a wallboard (1), inserting the pressing plate (5) into the clamping groove (4), extending the top end of the pressing plate (5) out of the clamping groove (4) and horizontally extending the top end of the pressing plate to the upper surface of a cover plate (32), covering an elastic telescopic block (33) by the pressing plate (5), and injecting building glue into the glue injection holes (42), so that the building glue fixedly bonds the gap between the clamping groove (4) and the pressing plate (5), the shunting holes (43) and the inner part of an accommodating groove (54);
s5, forming a plurality of drying holes (6) in the pressing plate (5), placing water absorption bags (61) in the drying holes (6), inserting the sealing inner plate (72) into the drying holes (6), and screwing the sealing screws (74) on the pressing plate (5) after penetrating through the sealing outer plate (71);
s6, waterproof boards (8) are respectively fixed on the upper surfaces of the wallboards (1), and waterproof cloth (81) is fixed between the top ends of the waterproof boards (8).
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| CN202010640227.8A CN111779146B (en) | 2020-07-06 | 2020-07-06 | Building expansion joint and construction process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010640227.8A CN111779146B (en) | 2020-07-06 | 2020-07-06 | Building expansion joint and construction process thereof |
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| CN111779146B true CN111779146B (en) | 2021-08-17 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113062482B (en) * | 2021-03-24 | 2022-11-11 | 机械工业第九设计研究院股份有限公司 | Expansion joint structure of large-scale steel construction industry factory building |
| CN114032761B (en) * | 2021-11-29 | 2023-12-22 | 朱权 | Bridge expansion joint filling equipment |
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| CN111779146A (en) | 2020-10-16 |
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