CN219060871U

CN219060871U - Template system for pouring top plate crack repairing protection layer

Info

Publication number: CN219060871U
Application number: CN202222139958.1U
Authority: CN
Inventors: 雷学才
Original assignee: CCCC SHEC Third Highway Engineering Co Ltd
Current assignee: CCCC SHEC Third Highway Engineering Co Ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2023-05-23
Anticipated expiration: 2032-08-15

Abstract

The utility model discloses a template system for pouring a top plate crack repairing protective layer, which comprises a support structure, a second template arranged at the top end of the support structure, a first template arranged on the second template, and a pouring filling layer arranged between the first template and a top plate crack, wherein gaps are arranged in the width direction of the second template and the first template, expansion strips are filled between the gaps, a feed inlet is arranged at the center of the first template and the center of the second template, and air leakage holes are arranged at the centers of the two ends of the first template and the second template. According to the utility model, the template system for backfilling pouring is provided, after grouting and plugging are carried out on the crack of the top plate, the template system is utilized for pouring the protective layer, so that the construction of pouring the filling layer is facilitated, the leakage points are radically cured, the lap joint construction is convenient, and the sealing performance is strong.

Description

Template system for pouring top plate crack repairing protection layer

Technical Field

The utility model belongs to the technical field of highway bridges, and particularly relates to a template system for pouring a top plate crack repairing protective layer.

Background

In the building construction process, the roof of the building facility is mostly formed by concrete and pouring, so that in the construction process, the concrete roof cracks due to loss of water in the concrete and internal stress of the concrete, and the service life of the roof is prolonged to repair the crack so as to avoid the crack from affecting the strength of the roof.

The method for treating the cracks commonly used in the prior art is a grouting method, namely filling crack repairing slurry into the crack occurrence position to perform plugging, but the crack repairing slurry has certain defects, the bearing capacity of the crack position after repairing is poor, so that the crack cannot be filled from the root, in order to solve the problem, the original design grade micro-expansive fine stone concrete is adopted to pour and backfill the grooves after the cement-based permeable crystalline waterproof material is coated on the concrete base after the crack is plugged, and the leakage point is radically cured from the root, so that the design of a template supporting system suitable for roof backfilling pouring is an urgent problem to be solved.

Disclosure of Invention

The utility model aims to provide a template system for pouring a top plate crack repairing protection layer, which provides a support foundation and a template foundation for pouring backfill.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a template system for roof crack repair protection layer is pour, includes the supporting structure, sets up at the second template on supporting structure top, sets up first template on the second template, sets up the filling layer of pouring between first template and roof crack department, be equipped with the clearance on the width direction of second template and first template, the clearance is filled there is the expansion strip, the center department of first template and second template is equipped with the feed inlet, the both ends center department of first template and second template is equipped with the gas vent.

Preferably, the air leakage holes are formed through the second template, the first template and the pouring filling layer in sequence from bottom to top.

Preferably, the top surface of the air leakage hole is 1cm away from the top surface of the pouring filling layer.

Preferably, the distance from the air leakage hole to the end of the first template is not more than 5cm.

Preferably, the top surface of the feed inlet is flush with the top surface of the first template.

Preferably, the support structure comprises a plurality of vertical support rods, a plurality of transverse connecting rods transversely arranged between the adjacent vertical support rods, and a plurality of longitudinal connecting rods longitudinally arranged between the adjacent vertical support rods, wherein the longitudinal connecting rods and the transverse connecting rods are respectively detachably connected with the vertical support rods, jacking is arranged at the top ends of the vertical support rods, and the flatness of the template is convenient to adjust.

Preferably, the vertical support rod is provided with a connecting piece along the height direction, the connecting piece is provided with a plurality of mounting holes in an annular array, both ends of the transverse connecting rod and the longitudinal connecting rod are respectively provided with a screw hole, a fixing bolt is arranged in the screw holes, and the bottom of the fixing bolt is fixed in the mounting holes.

Preferably, the connecting piece is welded on the vertical supporting rod.

Preferably, the bottom of the feed inlet is connected with a flange plate, so that the feed pipe is convenient to install.

Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a template system for backfilling pouring, which is convenient for pouring the filling layer, radically treats the leakage points from the root, has convenient lap joint construction and strong tightness.

Drawings

FIG. 1 is a front view of the structure of a formwork system for roof crack repair protection layer casting in accordance with the present utility model;

FIG. 2 is a structural side view of a formwork system for roof crack repair protection layer casting in accordance with the present utility model;

FIG. 3 is a schematic view of a structure of a connecting piece of a template system for pouring a top plate crack repair protection layer according to the present utility model;

FIG. 4 is a schematic view of the structure of the transverse and longitudinal links of a formwork system for roof crack repair protection layer casting according to the present utility model;

wherein: 1. roof, 2, pouring filling layer, 3, expansion strip, 4, first template, 5, second template, 6, gas vent, 7, vertical bracing piece, 8, horizontal connecting rod, 9, connecting piece, 10, feed inlet, 11, vertical connecting rod, 12, mounting hole, 13, fixing bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a template system for roof crack repair protection layer is pour, includes the supporting structure, sets up the template on supporting structure top, sets up pouring filling layer 2 between template and roof 1 crack department, the template is including setting up the second template 5 on supporting structure top, setting up the first template 4 on the second template 5, be equipped with 10cm wide clearance in the width direction of second template 5 and first template 4, the clearance is filled with expansion strip 3, and second template 5 and first template 4 are made by 15mm thick wood glue board, and expansion strip 3 can ensure the whole leakproofness of template, the center department of first template 4 and second template 5 is equipped with feed inlet 10, and feed inlet 10 is made by DN100 plastic tubing, the both ends center department of first template 4 and second template 5 is equipped with bleed hole 6, bleed hole 6 is made by DN10 steel pipe, is equipped with the valve on the steel pipe.

The air leakage holes 6 are formed through the second template 5, the first template 4 and the pouring filling layer 2 in sequence from bottom to top.

The top surface of the air leakage hole 6 is 1cm away from the top surface of the pouring filling layer 2.

The distance from the air leakage hole 6 to the end of the first template 4 is not more than 5cm.

The top surface of the feeding hole 10 is flush with the top surface of the first template 4.

The support structure comprises a plurality of vertical support rods 7, a plurality of transverse connecting rods 8 transversely arranged between the adjacent vertical support rods 7, and a plurality of longitudinal connecting rods 11 longitudinally arranged between the adjacent vertical support rods 7, wherein the longitudinal connecting rods 11 and the transverse connecting rods 8 are respectively detachably connected with the vertical support rods 7, jacking is arranged at the top ends of the vertical support rods 7, and the flatness of the template can be adjusted conveniently.

The vertical supporting rod 7 is provided with a connecting piece 9 along the height direction, the connecting piece 9 is provided with a plurality of mounting holes 12 in an annular array, two ends of the transverse connecting rod 8 and the longitudinal connecting rod 11 are respectively provided with a screw hole, a fixing bolt 13 is arranged in each screw hole, and the bottom of the fixing bolt 13 is fixed in the mounting hole 12.

The connecting piece 9 is welded on the vertical supporting rod 7.

The bottom of the feed inlet 10 is connected with a flange plate, so that the feed pipe is convenient to install.

The utility model is applied to casting the protective layer after the crack treatment of the top plate 1, and the crack treatment process is as follows: firstly, chiseling a protective layer, for linear cracks and radioactive cracks with the width of more than 0.3mm and the gap between the cracks of less than 0.5m, chiseling an original concrete protective layer by adopting a small-sized machine tool, namely a mining C4 wind shovel, along the outside of the outer edge crack, with 20cm, trimming the original concrete protective layer into a regular shape by using a hand hammer, a short steel drill and other small-sized tools, plugging by using a crack grouting method, after plugging, pouring and backfilling a groove by adopting original design mark micro-expansion fine stone concrete after coating a cement-based permeable crystalline waterproof material on a concrete base, and radically curing a leakage point, wherein the concrete pouring method comprises the following steps:

building a support and a template system

The support adopts vertical support rod 7 interval 0.9mX0.9mX1.5m to set up, and horizontal connecting rod 8 adopts 10# channel-section steel interval 0.9m to lay, and vertical connecting rod 11 adopts 100mm X100 mm square timber interval 400mm, lays the template and adopts double-deck 15mm thick wood glue board, and the template roughness is adjusted through the support jacking, in order to ensure the whole leakproofness of template, 10cm wide space adoption expansion strip 3 between first template 4 and the second template 5.

Pre-burying a DN100 plastic feed inlet 10 in the center of the template, flushing the top surface of the feed inlet 10 with the top surface of the template, pre-burying DN10 steel pipes at two ends (not more than 5cm away from the end head) of the four sides of the template and L/2 positions to serve as air leakage holes 6, wherein the distance between the top surfaces of the air leakage holes 6 and the top surface of the poured concrete is 1cm, pumping is carried out by adopting a small concrete conveying pump arranged in a middle plate, the vibrating adopts a rubber hammer to strike the template, and the air leakage holes 6 are all in an open state in the pouring process and the valves of the air leakage holes 6 are closed one by one when cement paste is discharged; closing the flange of the pre-buried feed inlet 10 after pouring is finished; after the die is disassembled, the pre-buried feed inlet 10 is disassembled along with the die plate, and the part of the air leakage hole 6 protruding out of the top plate 1 is cut to finish the repairing treatment of the crack of the top plate 1, so that the leakage point is radically cured.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A template system for roof crack repair protection layer is pour, its characterized in that, including supporting structure, set up template on supporting structure top, set up pouring filling layer (2) between template and roof (1) crack department, the template is including setting up second template (5) on supporting structure top, setting up first template (4) on second template (5), be equipped with the clearance on the width direction of second template (5) and first template (4), the clearance is filled with expansion strip (3), the center department of first template (4) and second template (5) is equipped with feed inlet (10), the both ends center department of first template (4) and second template (5) is equipped with gas leakage hole (6).

2. The template system for pouring of the roof crack repairing protection layer according to claim 1, wherein the air leakage holes (6) are sequentially formed through the second template (5), the first template (4) and the pouring filling layer (2) from bottom to top.

3. A formwork system for roof crack repair protection layer casting according to claim 2, characterized in that the top surface of the venting holes (6) is 1cm from the top surface of the casting filling layer (2).

4. A formwork system for roof crack repair protection layer casting according to claim 3, characterized in that the distance of the venting holes (6) to the end of the first formwork (4) is not more than 5cm.

5. A formwork system for roof crack repair protection layer casting according to claim 1, characterized in that the top surface of the feed opening (10) is flush with the top surface of the first formwork (4).

6. The template system for pouring of the roof crack repairing protection layer according to claim 1, wherein the support structure comprises a plurality of vertical support rods (7), a plurality of transverse connecting rods (8) transversely arranged between the adjacent vertical support rods (7) and a plurality of longitudinal connecting rods (11) longitudinally arranged between the adjacent vertical support rods (7), the longitudinal connecting rods (11) and the transverse connecting rods (8) are respectively detachably connected with the vertical support rods (7), jacking is arranged at the top ends of the vertical support rods (7), and the flatness of the template is convenient to adjust.

7. The template system for pouring of the roof crack repairing protection layer according to claim 6, wherein the vertical supporting rods (7) are provided with connecting pieces (9) along the height direction, the connecting pieces (9) are provided with a plurality of mounting holes (12) in a ring-shaped array, screw holes are formed in two ends of the transverse connecting rods (8) and the longitudinal connecting rods (11), fixing bolts (13) are arranged in the screw holes, and bottoms of the fixing bolts (13) are fixed in the mounting holes (12).

8. A formwork system for roof crack repair protection layer casting according to claim 7, characterized in that the connectors (9) are welded on the vertical support bars (7).

9. The template system for pouring a top plate crack repairing protection layer according to claim 1, wherein a flange plate is connected to the bottom of the feeding hole (10).