CN210947346U

CN210947346U - Floor cracking prevention and control structure

Info

Publication number: CN210947346U
Application number: CN201921651618.9U
Authority: CN
Inventors: 吴庆琳; 罗雪峰
Original assignee: Chongqing Liansheng Construction Project Management Co Ltd
Current assignee: Chongqing Liansheng Construction Project Management Co Ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-07-07
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses a floor prevention and cure structure that ftractures relates to the room and builds the structure, aims at solving the easy technical problem who ftractures of floor wide-angle position, and its technical scheme main points are: including floor and circle roof beam, the floor includes that the plan view is the main floor of rectangle, the four sides of main floor are fixed in the upper portion of circle roof beam, four bights of main floor are formed with the mounting groove respectively, the mounting groove internal fixation has prefabricated floor, main floor includes central floor and four angle beams, the vertical projection of angle beam is L shape and both ends are fixed in central floor, the mounting groove encloses to establish for angle beam and central floor and forms, the angle beam is fixed with a plurality of first embedded steel bars that stretch into the mounting groove, first bar groove has been seted up to the lateral wall of prefabricated floor, be provided with the bradyseism device in the prefabricated floor, first embedded steel bar stretches into first bar groove connection in the bradyseism device. The cracking at large-angle positions of the floor slab can be relatively reduced.

Description

Floor cracking prevention and control structure

Technical Field

The utility model relates to a structure is built in room, more specifically says that it relates to a floor prevention and cure structure that ftractures.

Background

In recent years, in the construction of multi-storey buildings, the conventional prefabricated floor slabs have been gradually replaced by poured floor slabs, and the integrity of the building and the safety of the structure are greatly improved.

The utility model discloses a chinese utility model patent that application number is CN200820113663.4 discloses a prevent multilayer residential structure floor of fracture, including structural floor, collar tie beam, be located the face negative moment reinforcing bar and the board end positive moment reinforcing bar of structural floor, structural floor is provided with the expansion joint in every unit stair's axis bearing wall department, and the length of every structural floor is less than or equal to 25 meters.

The structural floor slab of the technical scheme is a whole, large-angle rooms outside the floors have large influence due to temperature difference, the deformation of the structural floor slab is restrained by the ring beam, and the floor slab and the edge of the floor slab have cracks, so that a new scheme needs to be provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a floor fracture prevention and cure structure, its condition that can reduce floor wide-angle position fracture relatively takes place.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a floor fracture prevention and cure structure, includes floor and circle roof beam, the floor includes that the plan view is the main floor of rectangle, the four sides of main floor are fixed in the upper portion of circle roof beam, four bights of main floor are formed with the mounting groove respectively, the mounting groove internal fixation has prefabricated floor, main floor includes central floor and four angle beam, the vertical projection of angle beam is L shape and both ends are fixed in central floor, the mounting groove encloses to establish for angle beam and central floor and forms, the angle beam is fixed with a plurality of first embedded steel bars that stretch into the mounting groove, first bar groove has been seted up to prefabricated floor's lateral wall, be provided with the bradyseism device in the prefabricated floor, first embedded steel bar stretches into first bar groove and connects in the bradyseism device.

By adopting the technical scheme, when the prefabricated floor slab is used, the angle beam is poured on the upper part of the ring beam by concrete, then the prefabricated floor slab is fixed through the first embedded steel bars fixed on the side wall of the angle beam, and finally the main floor slab is poured.

The utility model discloses further set up to: the prefabricated floor slab is fixed with a plurality of second embedded steel bars, and the second embedded steel bars stretch into the central floor slab.

By adopting the technical scheme, after the prefabricated floor slab and the corner beam are fixed, the central floor slab is poured and connected with the prefabricated floor slab, and the stability of connection between the prefabricated floor slab and the main floor slab is improved due to the action of the second embedded steel bars.

The utility model discloses further set up to: the bradyseism device includes fixed plate and connecting plate, the connecting plate is located one side that the fixed plate is close to first embedded steel bar, the upper and lower both sides side of fixed plate turns over to be formed with the card sideboard, two the card sideboard inclines towards both middle sides, two be formed with the catching groove between the card sideboard, one side towards the fixed plate of connecting plate is fixed with adaptation and the card fixture block of going into the catching groove, one side of fixture block towards the fixed plate is provided with the rubber pad, fixture block and fixed plate centre gripping rubber pad, the second bar groove has been seted up to the connecting plate, the first bar groove of second bar groove intercommunication, the tip butt of first embedded steel bar is in the inner wall in second bar groove, the centre gripping has rubber piece one between angle beam and the precast floor.

Through adopting above-mentioned technical scheme, first embedded steel bar inserts the second bar groove, and when central floor took place the inflation or the shrink, because the effect of rubber pad, reduced its extrusion or tensile force to prefabricated floor on the horizontal direction, reduced the condition emergence that floor wide-angle position ftractureed.

The utility model discloses further set up to: and a second rubber sheet is arranged between the edge clamping plate and the clamping block, and two side surfaces of the second rubber sheet are respectively abutted against the edge clamping plate and the clamping block.

Through adopting above-mentioned technical scheme, because the effect of sheet rubber two, avoided card sideboard and fixture block direct contact friction, reduced the wearing and tearing between card sideboard and the fixture block and further improved the bradyseism effect of bradyseism device.

The utility model discloses further set up to: the side surface of the clamping block, which is close to the rubber pad, is provided with a recess, one side surface of the rubber pad is fixed on the fixing plate, one side of the rubber pad, which is close to the clamping block, is arc-shaped, an arc plate which is matched with the recess and the rubber pad is arranged between the rubber pad and the clamping block, and the rubber pad and the connecting plate clamp the arc plate.

By adopting the technical scheme, due to the action of the arc plate, the rubber pad can drive the connecting plate to slide in the vertical direction, and the force transmission of the central floor slab to the prefabricated floor slab due to expansion and contraction is further reduced.

The utility model discloses further set up to: encircle the border integrated into one piece of prefabricated floor has the lug, the upper surface of lug is less than the peak of prefabricated floor, the top of lug is provided with first overlap joint piece and second overlap joint piece, first overlap joint piece is fixed in central floor, second overlap joint piece is fixed in the angle beam, first overlap joint piece and second overlap joint piece overlap joint respectively in the upper portion of lug.

By adopting the technical scheme, the connection stability between the prefabricated floor slab, the main floor slab and the corner beam is further improved due to the effect of the convex blocks, and the folded seams are formed between the convex blocks and the first and second lap joint blocks, so that the waterproof performance of the floor slab is improved.

The utility model discloses further set up to: the upper portion of lug is fixed with the rubber circle, the lower part of first overlap joint piece and second overlap joint piece respectively the butt in the rubber circle.

By adopting the technical scheme, the anti-cracking and waterproof effects of the floor slab are further improved due to the effect of the rubber ring.

The utility model discloses further set up to: one side of the lug, which is close to the center of the prefabricated floor slab, is provided with an annular groove with an upper opening structure, and a filling block made of anti-crack mortar is filled in the groove.

By adopting the technical scheme, due to the effect of the groove, when the floor slab has water seepage, water can be gathered in the groove, the waterproof performance of the floor slab is further improved, and the anti-cracking effect of the floor slab is improved by the anti-cracking mortar.

To sum up, the utility model discloses following beneficial effect has: the floor includes main floor and is located the precast floor at its four bights, and main floor includes central floor and is located the angle beam of its four bights positions, and central floor encloses with the angle beam and establishes and form the mounting groove, is fixed with precast floor in the mounting groove, is fixed with a plurality of first embedded steel bars that stretch into in the mounting groove on the angle beam, is provided with the bradyseism device in precast floor, has seted up first bar groove at precast floor's lateral wall, and first embedded steel bar stretches into first bar groove and is connected with the bradyseism device. When the damping device is used, the angle beam is poured by concrete, the angle beam is connected with the prefabricated floor slabs through the first embedded steel bars, and finally the central floor slabs are poured to be connected with the prefabricated floor slabs.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic diagram of a partial explosion of the present invention;

fig. 3 is a schematic view of a local structure of the present invention, which is mainly used for displaying the corner beam, the ring beam and the first embedded steel bar;

fig. 4 is a schematic diagram of a local explosion of the present invention, which is mainly used for displaying the prefabricated floor slab, the filling blocks and the bumps;

FIG. 5 is a schematic view of the present invention in partial longitudinal section;

FIG. 6 is a longitudinal sectional view of the shock absorber.

In the figure: 1. a floor slab; 11. a main floor slab; 111. mounting grooves; 112. a central floor slab; 1121. a first lap joint block; 113. A corner beam; 1131. a second lap joint block; 12. prefabricating a floor slab; 121. a bump; 122. a groove; 123. a first bar-shaped groove; 2. a ring beam; 3. an arc plate; 4. first embedded steel bars; 5. a cushioning device; 51. a fixing plate; 511. a side clamping plate; 512. buckling grooves; 52. a connecting plate; 522. a second strip groove; 523. a clamping block; 5231. recessing; 53. a rubber pad; 6. second pre-buried steel bars; 7. a rubber ring; 8. filling blocks; 9. a second rubber sheet; 10. and a first rubber sheet.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

A floor cracking prevention structure, refer to fig. 1 and 2, comprises a floor 1 and a ring beam 2, wherein the floor 1 comprises a main floor 11 with a rectangular top view, and four sides of the main floor 11 are fixed on the upper part of the ring beam 2; vertical through installation grooves 111 are formed in four corners of the main floor 11, and a prefabricated floor 12 is fixed in the installation grooves 111; the main floor 11 includes a central floor 112 and four corner beams 113 in L-shape in vertical projection, two ends of the corner beams 113 are fixed to the central floor 112, and the corner beams 113 and the central floor 112 enclose to form an installation slot 111.

Referring to fig. 2, in order to improve the connection stability of the main floor slab 11 and the precast floor slab 12, a plurality of second embedded bars 6 are fixed on one side of the precast floor slab 12 connected to the main floor slab 11, and the second embedded bars 6 are poured on the central floor slab 112.

Referring to fig. 2 and 3, a plurality of first embedded bars 4 extending into the installation grooves 111 are fixed to the corner beams 113.

Referring to fig. 3 and 4, a first strip-shaped groove 123 is formed in the side wall of the precast floor slab 12, a seismic isolation device 5 is arranged in the precast floor slab 12, and the first embedded steel bars 4 extend into the first strip-shaped groove 123 and are connected to the seismic isolation device 5.

During forming, the corner beam 113 is poured on the upper portion of the ring beam 2 by concrete, then the precast floor slab 12 is fixedly connected with the corner beam 113 through the first embedded steel bars 4, and finally the central floor slab 112 is poured.

Referring to fig. 5 and 6, the cushioning device 5 includes a fixing plate 51 and a connecting plate 52, wherein the connecting plate 52 is located on one side of the fixing plate 51 close to the first embedded steel bar 4; edge clamping plates 511 are formed by folding the upper and lower sides of the fixed plate 51, and the two edge clamping plates 511 incline towards the middle side of the fixed plate; a fastening groove 512 is formed between the two clamping edge plates 511, and a clamping block 523 which is matched with the fastening groove 512 and is clamped in the fastening groove 512 is fixed on one side of the connecting plate 52 facing the fixing plate 51; a rubber pad 53 is arranged on one side of the fixture block 523 facing the fixed plate 51, the rubber pad 53 is clamped between the fixture block 523 and the fixed plate 51, and the rubber pad 53 can be made of rubber with the same material as that of a vibration isolation rubber support.

Referring to fig. 6, a second strip-shaped groove 522 is formed in the connecting plate 52, the second strip-shaped groove 522 is communicated with the first strip-shaped groove 123, the end portion of the first embedded steel bar 4 abuts against the inner wall of the second strip-shaped groove 522, a rubber sheet 10 is clamped between the corner beam 113 and the precast floor slab 12, and the rubber sheet 10 can be made of rubber made of the same material as that of the shock insulation rubber support.

During forming, a thin plate which is matched with the longitudinal section of the second strip-shaped groove 522 is inserted into the second strip-shaped groove 522, the thin plate extends out of the side wall of the prefabricated floor slab 12, then the whole shock absorption device 5 and the thin plate are coated with a layer of plastic film, the fixing plate 51 and the connecting plate 52 are prevented from being bonded and fixed by poured concrete, and when the prefabricated floor slab 12 is solidified, the thin plate is taken out; first embedded steel bar 4 passes the inner wall that first bar groove 123 inserted second bar groove 522, because the effect of rubber pad 53 and rubber sheet 10, has reduced extrusion force or the tensile force to prefabricated floor 12 when central floor 112 inflation shrink to the condition emergence of floor wide-angle position fracture has been reduced.

Referring to fig. 6, in order to avoid the wear caused by the mutual friction between the edge clamping plate 511 and the clamping block 523 and further improve the cushioning effect between the fixing plate 51 and the connecting plate 52, a second rubber sheet 9 is arranged between the edge clamping plate 511 and the clamping block 523, two side surfaces of the second rubber sheet 9 are respectively abutted against the edge clamping plate 511 and the clamping block 523, and the second rubber sheet 9 can be made of rubber with the same material as that of the rubber support.

Referring to fig. 6, a recess 5231 is formed in the side surface of the latch 523 close to the rubber pad 53, and one side surface of the rubber pad 53 is fixed to the fixing plate 51; one side of the rubber pad 53 close to the clamping block 523 is arc-shaped, the arc plate 3 matched with the recess 5231 and the rubber pad 53 is arranged between the rubber pad 53 and the clamping block 523, the arc plate 3 is clamped by the rubber pad 53 and the connecting plate 52, the friction coefficient of the arc plate 3 is small, and the arc plate 3 can be made of a polytetrafluoroethylene plate.

When in use, because the fixed plate 51 is fixed with the rubber pad 53, under the action of the arc plate 3, the connecting plate 52 and the rubber pad 53 can slide more easily, so that the force transmission to the precast floor slab 12 when the central floor slab 112 expands and contracts is reduced.

Referring to fig. 5, a bump 121 is integrally formed around the edge of the precast floor slab 12, and the upper surface of the bump 121 is lower than the highest point of the precast floor slab 12; a first lapping block 1121 and a second lapping block 1131 are arranged above the bump 121, the first lapping block 1121 is fixed on the central floor 112, the second lapping block 1131 is fixed on the corner beam 113, and the first lapping block 1121 and the second lapping block 1131 are lapped on the upper portion of the bump 121 respectively.

When in use, due to the effect of the convex block 121, the connection stability between the precast floor slab 12 and the central floor slab 112 and the corner beam 113 is further improved, a zigzag joint is formed between the convex block 121 and the first and second overlapping blocks 1121, 1131, and the waterproof performance of the floor slab 1 is improved.

Referring to fig. 5, in order to further improve the anti-cracking and waterproof effects of the floor slab 1, a rubber ring 7 is fixed on the upper portion of the protrusion 121, and the lower portions of the first and second overlapping blocks 1121, 1131 are respectively abutted against the rubber ring 7.

Referring to fig. 5, an annular groove 122 with an upper opening structure is formed on one side of the projection 121 close to the center of the precast floor slab 12, and a filling block 8 made of anti-crack mortar is filled in the groove 122; due to the filling blocks 8 and the grooves 122, the crack resistance and the waterproof effect of the floor slab 1 are further improved.

The utility model discloses a forming method and implementation principle:

first, the corner beams 113 are poured into four corners of the ring beam 2, and then the prefabricated floor slabs 12 are fixedly connected with the ring beam 2 through the first embedded steel bars 4, for example:

inserting a thin plate matched with the longitudinal section of the second strip-shaped groove 522 into the second strip-shaped groove 522, wherein the thin plate extends out of the side wall of the prefabricated floor slab 12, then coating a layer of plastic film on the whole shock absorption device 5 and the thin plate to prevent the fixed plate 51 and the connecting plate 52 from being bonded and fixed by poured concrete, and taking out the thin plate and inserting the first embedded steel bars 4 into the second strip-shaped groove 522 of the connecting plate 52 when the prefabricated floor slab 12 is solidified; the occurrence of cracking at large-angle positions of the floor slab 1 is reduced due to the action of the rubber pads 53 clamped between the connecting plates 52 and the fixing plates 51;

finally, the central floor 112 is poured to connect with the precast floor 12 and the corner beams 113.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a floor fracture prevention and cure structure, includes floor (1) and circle roof beam (2), its characterized in that: the floor (1) comprises a main floor (11) which is rectangular in plan view, four sides of the main floor (11) are fixed on the upper part of the ring beam (2), four corners of the main floor (11) are respectively provided with a mounting groove (111), a precast floor (12) is fixed in the mounting groove (111), the main floor (11) comprises a central floor (112) and four corner beams (113), the vertical projection of the corner beam (113) is L-shaped, and two ends of the corner beam are fixed on the central floor (112), the mounting groove (111) is formed by enclosing an angle beam (113) and a central floor slab (112), a plurality of first embedded steel bars (4) extending into the mounting grooves (111) are fixed on the corner beams (113), a first strip-shaped groove (123) is formed in the side wall of the precast floor slab (12), a shock absorption device (5) is arranged in the precast floor slab (12), the first embedded steel bars (4) stretch into the first strip-shaped grooves (123) to be connected to the cushioning device (5).

2. A floor slab crack control structure as claimed in claim 1, characterized in that: the prefabricated floor slab (12) is fixed with a plurality of second embedded steel bars (6), and the second embedded steel bars (6) stretch into the central floor slab (112).

3. A floor slab crack control structure as claimed in claim 1, characterized in that: the shock absorption device (5) comprises a fixing plate (51) and a connecting plate (52), wherein the connecting plate (52) is located on one side, close to a first embedded steel bar (4), of the fixing plate (51), a clamping edge plate (511) is formed by folding the upper side and the lower side of the fixing plate (51), the clamping edge plate (511) inclines towards the middle side of the clamping edge plate and the middle side of the clamping edge plate, a buckling groove (512) is formed between the clamping edge plate (511), a clamping block (523) which is matched with and clamped into the buckling groove (512) is fixed on one side, facing the fixing plate (51), of the connecting plate (52), a rubber pad (53) is arranged on one side, facing the fixing plate (51), of the clamping block (523) and the fixing plate (51), a second strip-shaped groove (522) is formed in the connecting plate (52), the second strip-shaped groove (522) is communicated with the first strip-shaped groove (123), the end part of the first embedded steel bar (4) is abutted against the inner, a rubber sheet I (10) is clamped between the corner beam (113) and the precast floor slab (12).

4. A floor slab crack control structure as claimed in claim 3, characterized in that: a second rubber sheet (9) is arranged between the clamping edge plate (511) and the clamping block (523), and two side faces of the second rubber sheet (9) are respectively abutted against the clamping edge plate (511) and the clamping block (523).

5. A floor slab crack control structure as claimed in claim 3, characterized in that: the side surface, close to the rubber pad (53), of the clamping block (523) is provided with a recess (5231), one side surface of the rubber pad (53) is fixed on the fixing plate (51), one side, close to the clamping block (523), of the rubber pad (53) is in an arc shape, an arc plate (3) matched with the recess (5231) and the rubber pad (53) is arranged between the rubber pad (53) and the clamping block (523), and the arc plate (3) is clamped by the rubber pad (53) and the connecting plate (52).

6. A floor slab crack control structure as claimed in claim 1, characterized in that: the prefabricated floor slab is characterized in that a bump (121) is integrally formed around the edge of the prefabricated floor slab (12), the upper surface of the bump (121) is lower than the highest point of the prefabricated floor slab (12), a first overlapping block (1121) and a second overlapping block (1131) are arranged above the bump (121), the first overlapping block (1121) is fixed to the central floor slab (112), the second overlapping block (1131) is fixed to the corner beam (113), and the first overlapping block (1121) and the second overlapping block (1131) are respectively overlapped on the upper portion of the bump (121).

7. A floor slab crack control structure as claimed in claim 6, characterized in that: the upper part of the lug (121) is fixed with a rubber ring (7), and the lower parts of the first overlapping block (1121) and the second overlapping block (1131) are respectively abutted against the rubber ring (7).

8. A floor slab crack control structure as claimed in claim 7, characterized in that: one side of the convex block (121) close to the center of the precast floor slab (12) is provided with an annular groove (122) with an upper opening structure, and a filling block (8) made of anti-crack mortar is filled in the groove (122).