CN214384065U

CN214384065U - Undisturbed concrete floor reinforcing structure adopting pouring method

Info

Publication number: CN214384065U
Application number: CN202120191569.6U
Authority: CN
Inventors: 刘俊华; 缪力; 叶施虎; 付万军
Original assignee: Wuhan Dingsheng Lihua Engineering Technology Co ltd
Current assignee: Wuhan Dingsheng Lihua Engineering Technology Co ltd
Priority date: 2021-01-23
Filing date: 2021-01-23
Publication date: 2021-10-12
Anticipated expiration: 2031-01-23

Abstract

The utility model relates to a no disturbance perfusion method concrete floor reinforced structure relates to the reinforced field of floor, and it is including the crossbeam that is located former floor below, crossbeam fixedly connected with is located former floor below the template, the cross section size of template with the cross section size of former floor is unanimous, the diapire of former floor with fixedly connected with grout material layer between the roof of template, former floor runs through along vertical direction and sets up the grout hole that is used for the grout, the crossbeam with be provided with the bar planting spare that is used for firm connection between the grout material layer, the diapire butt joint of template has the multiunit to be used for temporary support the template and the supporting component of grout material layer. The construction method has the effect of small construction disturbance, the construction site is attractive in the construction process, the appearance of a city is not influenced, and the construction method accords with the standard of green construction.

Description

Undisturbed concrete floor reinforcing structure adopting pouring method

Technical Field

The application relates to the field of floor slab reinforcement, in particular to a disturbance-free pouring method concrete floor slab reinforcing structure.

Background

In an engineering structure, existing buildings are often reinforced due to factors such as aging and damage of the buildings, use function change, structural design or construction errors, improvement of fortification standards and the like; the concrete floor is the main structural component of building, and the phenomenon that bearing capacity is not enough appears in the use in the individual concrete floor, in order to guarantee the service function, obviously will consolidate the concrete floor.

The existing concrete floor slab reinforcing technology usually removes the original floor slab or chisels most of the original floor slab, and then seals the formwork again to build a new floor slab.

Aiming at the related technologies, as the building is located at the position where residents gather, the construction process of dismantling the original floor slab is easy to cause large movement and inertia, and the dismantled floor slab influences the appearance of the building, the inventor thinks that the building has the defect of large movement and inertia.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the disturbance is great, the application provides a concrete floor reinforcing structure of undisturbed pouring method.

The application provides a no disturbance pouring method concrete floor reinforced structure adopts following technical scheme:

the utility model provides a no disturbance concrete floor reinforced structure of pouring, is including the crossbeam that is located former floor below, crossbeam fixedly connected with is located former floor below the template, the cross section size of template with the cross section size of former floor is unanimous, the diapire of former floor with fixedly connected with grout material layer between the roof of template, former floor runs through along vertical direction and sets up the grout hole that is used for the grout, the crossbeam with be provided with the bar planting spare that is used for firm connection between the grout material layer, the diapire butt joint of template has the multiunit to be used for the temporary support the template and the supporting component of grout material layer.

Through adopting above-mentioned technical scheme, when consolidating former floor, connect crossbeam and template earlier, grout and form the grout bed between former floor and the template again, and make grout bed and the common atress of crossbeam through the bar planting piece, the roof and the diapire on grout bed respectively with former floor and template fixed connection, make former floor, the common atress of grout bed and template, rethread supporting component supports template and grout bed temporarily, can accomplish the reinforcement to former floor, need not to demolish former floor or chisel and get most former floor, with this realization and reduce the mesh of sound, and the job site is pleasing to the eye in the work progress, do not influence the market appearance, accord with the standard of green construction.

Optionally, the bar planting piece is a bidirectional steel bar, the crossbeam is provided with a plurality of bar planting holes along the horizontal direction, the two ends of the bidirectional steel bar are fixedly connected in the bar planting holes through high-strength bar planting glue, and the bidirectional steel bar is located the part outside the bar planting holes is planted in the grouting material layer.

Through adopting above-mentioned technical scheme, the crossbeam passes through two-way reinforcing bar fixed connection as an organic whole and common atress with the grout material layer, can promote the bearing capacity who consolidates the back floor, reduces the risk that template and grout bed of material drop simultaneously, is favorable to promoting the security.

Optionally, the grouting layer is a high-strength non-shrinkage grouting layer.

Through adopting above-mentioned technical scheme, the high strength does not have shrink grout material layer and adopts the high strength does not have shrink grout material, and the high strength does not have shrink grout material mobility good, is fit for being in a milk between former floor and the template that basically has not changed, can reduce engineering time and construction cost, and the high strength does not have the intensity of shrink grout material and can expand a little after solidifying, can stabilize former floor of connection and template, is favorable to promoting the bearing capacity who consolidates the back floor.

Optionally, the original floor slab is provided with an observation hole for observing grouting conditions along a vertical direction, and the grouting hole and the observation hole are respectively located on two sides of the original floor slab.

Through adopting above-mentioned technical scheme, when carrying out the grout between former floor and the template, carry the high strength through the grout hole to between former floor and the template not have the shrink grout material to observe through the observation hole whether the cavity between former floor and the template is filled up to the high strength does not have the shrink grout material, only need set up two little holes to former floor, be favorable to reducing the disturbance.

Optionally, the bottom wall of the original floor slab is fixedly connected with an interfacial agent layer, and the bottom wall of the interfacial agent layer is fixedly connected with the top wall of the high-strength non-shrinkage grouting material layer.

By adopting the technical scheme, before grouting between the original floor slab and the template, the interface agent is coated on the bottom wall of the original floor slab before grouting, the interface agent forms an interface agent layer, and the interface agent can improve the adhesive force of the bottom wall of the original floor slab, so that the original floor slab and the high-strength non-shrinkage grouting material layer are connected more stably, and the bearing capacity of the reinforced floor slab is favorably improved.

Optionally, the supporting component comprises a sleeve rod vertically and fixedly arranged on the ground, a sliding rod sliding inside the sleeve rod and a base plate fixedly connected to the top end of the sleeve rod, the top wall of the base plate is abutted to the bottom wall of the template, and a locking component limiting the sliding rod to slide is arranged between the sleeve rod and the sliding rod.

Through adopting above-mentioned technical scheme, after sealing the template, earlier with the loop bar vertical place in ground, follow the vertical direction slide bar that slides again, the roof of up to the backing plate supports tightly with the diapire of template, rethread locking Assembly to this realizes the purpose of firm support template, applicable in the not template support of co-altitude, and is convenient for demolish.

Optionally, locking Assembly include the level arrange the bolt with slide in the thread bush of slide bar periphery wall, the periphery wall at loop bar top seted up with the external screw thread of thread bush screw thread adaptation, the loop bar top is run through and is seted up the closed lift groove in both ends, the bolt slide along vertical direction in the lift inslot, the slide bar level is run through and is seted up a plurality of locking holes, the tip of bolt is worn to locate in proper order along the horizontal direction the lift groove and in the locking hole, the thread bush butt in the bottom of bolt.

Through adopting above-mentioned technical scheme, support tight back at backing plate and template, insert lift groove and locking hole in proper order earlier with the bolt, the rethread rotates the thread bush for the top of thread bush supports the below of tight bolt, with this slip of restriction slide bar.

Optionally, a sleeper is abutted between the base plate and the formwork.

By adopting the technical scheme, the contact area between the base plate and the template can be increased by the sleeper, the pressure of the base plate to the template is reduced, and the risk of damage to the template is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. implanting bidirectional steel bars into the cross beam and packaging the template, grouting between the template and the original floor through the grouting holes and the observation holes, and fixedly connecting the high-strength non-shrinkage grouting material layer between the template and the original floor, so that the template and the original floor are stressed together, the construction operation is simple, the original floor does not need to be dismantled, and the purpose of reducing disturbance is achieved;

2. slide in the slide bar through the loop bar, rethread bolt and threaded sleeve fixed slide bar for the backing plate supports tight template, with this purpose that reaches the steady support template, is applicable to and supports the not template of co-altitude, and is convenient for demolish.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is an enlarged schematic view at B in fig. 1.

Reference numerals: 1. original floor slab; 2. a cross beam; 3. a template; 4. bidirectional reinforcing steel bars; 5. planting tendon holes; 6. a high-strength non-shrinkage grouting layer; 7. grouting holes; 8. an observation hole; 9. an interfacial agent layer; 10. a loop bar; 11. a slide bar; 12. a base plate; 13. a bolt; 14. a threaded sleeve; 15. a lifting groove; 16. a locking hole; 17. and (7) sleeper.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a concrete floor reinforcing structure adopting an undisturbed pouring method. Referring to fig. 1, the undisturbed perfusion concrete floor reinforcing structure comprises a cross beam 2 located below an original floor slab 1, wherein the top of the cross beam 2 is tightly attached to the original floor slab 1, a template 3 located right below the original floor slab 1 is fixedly connected to the cross beam 2, and a cavity used for grouting is formed among the template 3, the original floor slab 1 and the cross beam 2.

Referring to fig. 1, the bottom wall of an original floor slab 1 is coated with an interfacial agent, and the interfacial agent is made of vinyl acetate and ethylene, so that the bottom wall of the original floor slab 1 is fixedly connected with an interfacial agent layer 9, and the interfacial agent layer 9 can increase the adhesive force of the original floor slab 1; through the grout between template 3, former floor 1 and crossbeam 2 for form the grout bed between former floor 1 and the template 3, the grout bed is high-strength no shrink grout bed 6, and the diapire of high-strength no shrink grout bed 6 and the diapire fixed connection of interface agent layer 9, and the diapire of high-strength no shrink grout bed 6 and the roof fixed connection of template 3, and high-strength no shrink grout bed 6 makes former floor 1 and template 3 atress jointly.

Referring to fig. 1, in order to facilitate installation of the high-strength non-shrinkage grouting material layer 6, the original floor slab 1 is provided with a grouting hole 7 for grouting and an observation hole 8 for observing the grouting condition along the vertical direction, in different embodiments, different numbers of grouting holes 7 and observation holes 8 can be provided according to the size of the original floor slab 1, in this embodiment, the optimal scheme is one grouting hole 7 and one observation hole 8, the grouting hole 7 and the observation hole 8 are respectively located at two ends of the original floor slab 1, the high-strength non-shrinkage grouting material is introduced from the grouting hole 7, and the grouting condition is observed through the observation hole 8.

Referring to fig. 1 and 2, in order to stabilize and connect crossbeam 2 and the no shrink grout material layer 6 that excels in, install the bar planting piece between crossbeam 2 and the no shrink grout material layer 6 that excels in, the bar planting piece is two-way reinforcing bar 4 of individual layer, in different embodiments, can also be two-way reinforcing bar 4 of double-deck two-way reinforcing bar 4 or other number of piles according to the design requirement two-way reinforcing bar 4, the optimal scheme is two-way reinforcing bar 4 of individual layer in this embodiment, crossbeam 2 has seted up a plurality of bar planting holes 5 along the horizontal direction, clear up bar planting hole 5 and pour into the bar planting glue that excels in into in to bar planting hole 5 after, crossbeam 2 is in bar planting hole 5 respectively with two-way reinforcing bar 4's both ends fixed connection, two-way reinforcing bar 4 is located the partial implantation grout material layer that excels in the bar planting hole 5, with this completion crossbeam 2 and the no shrink grout material layer 6 that excels in between the bar planting.

Referring to fig. 2 and 3, for temporarily supporting template 3 and high-strength non-shrinkage grouting material layer 6, bottom wall of template 3 has been butted to have a plurality of sets of supporting components, supporting component includes fixed loop bar 10 of placing on ground, slide in the slide bar 11 of loop bar 10 inside cavity and weld in the backing plate 12 on loop bar 10 top, loop bar 10 is drum shape and vertical arrangement, slide bar 11 is the cylinder shape and arranges with loop bar 10 is coaxial, the slip direction of slide bar 11 is vertical direction, and the butt has sleeper 17 between the diapire of the roof of backing plate 12 and template 3, sleeper 17's cross sectional dimension is greater than the cross sectional dimension of backing plate 12, be favorable to increasing area of contact, and make backing plate 12 need not direct butt template 3, reduce the impaired risk of template 3.

Referring to fig. 2 and 3, in order to limit the sliding of the sliding rod 11, a locking assembly is installed between the sleeve rod 10 and the sliding rod 11, the locking assembly includes a horizontally arranged bolt 13 and a threaded sleeve 14 sliding on the outer peripheral wall of the sliding rod 11, an outer peripheral wall of the top of the sleeve rod 10 is provided with an outer thread adapted to the threaded sleeve 14, the sleeve rod 10 is provided with a lifting groove 15 at the outer thread, the length direction of the lifting groove 15 is vertical, two ends of the lifting groove are closed, the sliding rod 11 is horizontally provided with a plurality of locking holes 16, the locking holes 16 are arranged at intervals along the length direction of the sliding rod 11, and the vertical distance between two adjacent locking holes 16 is equal to the length of the lifting groove 15; the end of the bolt 13 sequentially penetrates through the lifting groove 15 and the locking hole 16 along the horizontal direction, and the thread rotating threaded sleeve 14 slides along the vertical direction until the threaded sleeve 14 abuts against the bottom of the bolt 13, so that the sliding of the sliding rod 11 can be limited.

The implementation principle of the concrete floor reinforcing structure by the undisturbed pouring method in the embodiment of the application is as follows: when a concrete floor slab is reinforced, firstly, two-way reinforcing steel bars 4 are implanted into the side wall of the cross beam 2, then a template 3 is packaged below the original floor slab 1, and an interface agent is coated on the bottom wall of the original floor slab 1, so that an interface agent layer 9 is formed on the ground of the original floor slab 1, then a grouting hole 7 and an observation hole 8 are formed in the original floor slab 1 in a penetrating manner, and high-strength shrinkage-free grouting material is poured through the grouting hole 7 until the completion of pouring is checked through the observation hole 8; and sliding the sliding rod 11 in the loop bar 10 until the sleeper 17 is abutted between the cushion plate 12 and the template 3, sequentially inserting the end part of the bolt 13 into the lifting groove 15 and the locking hole 16, then rotating the threaded sleeve 14 and enabling the threaded sleeve 14 to slide along the vertical direction until the threaded sleeve 14 abuts against the bolt 13, after the high-strength non-shrinkage grouting material is air-dried to form a high-strength non-shrinkage grouting material layer 6, removing the loop bar 10 and the sliding rod 11 to support the template 3, and then reinforcing the original floor slab 1 without removing the original floor slab 1 or chiseling most of the original floor slab 1, so that the purpose of reducing disturbance is realized.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above 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

1. The utility model provides a no disturbance pouring method concrete floor reinforced structure, includes crossbeam (2) that are located former floor (1) below, its characterized in that: crossbeam (2) fixedly connected with is located template (3) of former floor (1) below, the cross section size of template (3) with the cross section size of former floor (1) is unanimous, the diapire of former floor (1) with fixedly connected with grout bed between the roof of template (3), former floor (1) runs through along vertical direction and offers grout hole (7) that are used for the grout, crossbeam (2) with be provided with the bar planting spare that is used for firm connection between the grout bed, the diapire butt joint of template (3) has the multiunit to be used for temporary support template (3) and the supporting component of grout bed.

2. The undisturbed perfusion concrete floor reinforcement structure of claim 1, wherein: the bar planting piece is a bidirectional reinforcing steel bar (4), a plurality of bar planting holes (5) are formed in the transverse beam (2) along the horizontal direction, the two ends of the bidirectional reinforcing steel bar (4) are fixedly connected in the bar planting holes (5) through high-strength bar planting glue, and the part, outside the bar planting holes (5), of the bidirectional reinforcing steel bar (4) is planted in the grouting material layer.

3. The undisturbed perfusion concrete floor reinforcement structure of claim 1, wherein: the grouting material layer is a high-strength non-shrinkage grouting material layer (6).

4. The undisturbed perfusion concrete floor reinforcement structure of claim 1, wherein: the original floor slab (1) is provided with an observation hole (8) used for observing grouting conditions in a penetrating mode along the vertical direction, and the grouting hole (7) and the observation hole (8) are located on two sides of the original floor slab (1) respectively.

5. The undisturbed perfusion concrete floor reinforcement structure of claim 3, wherein: the bottom wall of the original floor slab (1) is fixedly connected with an interfacial agent layer (9), and the bottom wall of the interfacial agent layer (9) is fixedly connected with the top wall of the high-strength shrinkage-free grouting material layer (6).

6. The undisturbed perfusion concrete floor reinforcement structure of claim 1, wherein: the supporting component comprises a sleeve rod (10) vertically and fixedly arranged on the ground, a sliding rod (11) sliding inside the sleeve rod (10) and a base plate (12) fixedly connected to the top end of the sleeve rod (10), the top wall of the base plate (12) is abutted to the bottom wall of the template (3), and a locking component for limiting the sliding rod (11) to slide is arranged between the sleeve rod (10) and the sliding rod (11).

7. The undisturbed perfusion concrete floor reinforcement structure of claim 6, wherein: locking Assembly including the level bolt (13) of arranging with slide in thread bush (14) of slide bar (11) periphery wall, the periphery wall at loop bar (10) top seted up with the external screw thread of thread bush (14) screw thread adaptation, loop bar (10) top is run through and is seted up both ends closed lift groove (15), slide in along vertical direction in lift groove (15) bolt (13), slide bar (11) level is run through and is seted up a plurality of locking hole (16), the tip of bolt (13) is worn to locate in proper order along the horizontal direction lift groove (15) and in locking hole (16), thread bush (14) butt in the bottom of bolt (13).

8. The undisturbed perfusion concrete floor reinforcement structure of claim 6, wherein: and a sleeper (17) is abutted between the base plate (12) and the template (3).