Concrete defect detection method in integrated construction of thermal insulation board structure

Abstract

The present invention relates to the field of building construction technology, specifically to a method for detecting concrete defects in the construction of an integrated insulation board structure, comprising: before the insulation board is installed, an inspection window is set at a predetermined distance from the bottom edge of the lower end of the insulation board; after the installation and acceptance of the wall structure steel bars are completed, the insulation board is fixedly connected to the wall structure steel bars according to the conventional process and the formwork is completed; before concrete pouring, each inspection window is blocked with a rubber plug, and after the concrete pouring is completed and the concrete is finally set, the rubber plug is removed to observe the slurry in the inspection window; if there is slurry in the inspection window, it is determined that there is no honeycomb reinforcement leakage in the thermal insulation integrated structure concrete at this part; if there is no slurry in the inspection window, a steel bar is inserted into the inspection window, and the insertion length of the steel bar is determined after the steel bar is inserted to the bottom, and if the insertion length is greater than the thickness of the insulation board, it is determined that there is a honeycomb reinforcement leakage at this part. Honeycomb reinforcement leakage in concrete can be discovered in time and repaired and reinforced.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, and in particular to a method for detecting concrete defects in the integrated construction of a thermal insulation board structure. Background Art

[0002] External wall insulation is a functional decorative layer of the building's external wall, which plays a role in thermal insulation. Traditional external wall insulation is mostly constructed by post-pasting. During the post-pasting construction process, it is affected by many factors such as whether the personnel's operation is standardized, whether the bonding mortar is qualified, and whether the base treatment is in place, resulting in the risk of external wall insulation falling off in the later stage. In recent years, in order to avoid such hidden dangers, the integrated construction process of thermal insulation structure has gradually replaced the post-pasting method. The integrated construction process of thermal insulation structure can effectively ensure the connection between the thermal insulation layer and the structural layer, avoiding the thermal insulation layer falling off incidents.

[0003] Thermosetting modified polystyrene composite insulation board structural integration, as a new type of material used in structural integration construction, is gradually being promoted in building construction; however, after the concrete is poured, the insulation board and the structural layer are connected into a whole, resulting in the inability to inspect the quality of the bonding surface between the insulation board and the structural surface, especially for the position at the lower end of the insulation board and the structural surface where honeycomb leakage is prone to occur. If it is not discovered in time, there will be major quality risks. Summary of the invention

[0004] In view of the above problems, an embodiment of the present invention provides a method for detecting concrete defects in the integrated construction of an insulation board structure.

[0005] In one aspect of the present invention, a method for detecting concrete defects in the integrated construction of an insulation board structure is provided, comprising:

[0006] Before installing the insulation board, an inspection window is set at a predetermined distance from the bottom edge of the insulation board;

[0007] After the installation and acceptance of the wall structure reinforcement is completed, the insulation board is fixedly connected to the wall structure reinforcement according to the conventional procedures and the formwork is completed;

[0008] Before pouring concrete, use rubber plugs to seal each inspection window. After the concrete pouring is completed and the concrete is finally set, remove the rubber plugs and observe the slurry condition in the inspection window;

[0009] If there is slurry in the inspection window, it is confirmed that there is no honeycomb leakage in the thermal insulation integrated structural concrete at this location;

[0010] If there is no slurry in the inspection window, insert the steel bar into the inspection window. Determine the inserted length of the steel bar after it reaches the bottom. If the inserted length is greater than the thickness of the insulation board, determine that honeycomb leakage exists in this area.

[0011] Optionally, the predetermined distance is 50 mm; the inspection window diameter is 10-20 mm.

[0012] Optionally, square steel is used as primary and secondary keels on the outer side of the insulation board to reinforce the insulation board before pouring concrete.

[0013] Optionally, also include:

[0014] The insulation board is cut obliquely downward above the inspection window where the honeycomb rib leakage exists, so as to form a cutting hole with a side section in the shape of an inverted right-angle trapezoid, thereby revealing the location of the honeycomb rib leakage;

[0015] Making a thermal insulation integrated repair plate adapted to the cut hole, and fixing the made thermal insulation integrated repair plate at the cut hole to form a repair grouting hole inclined upward;

[0016] Pour concrete into the repair grouting hole until the height covers the honeycomb leaking reinforcement position;

[0017] After the poured concrete has finally set, use thermal insulation mortar to seal the remaining part of the repair grouting hole tightly.

[0018] Optionally, expansion bolts are used to penetrate the thermal insulation integrated repair plate and fix it to the formed concrete wall structure.

[0019] Optionally, the repair grouting hole diameter is 40-50mm.

[0020] Compared with the prior art, the beneficial effects of the present invention are: by providing an inspection window on the insulation board, the inspection window can be opened after concrete pouring to conduct concrete structure pouring quality inspection, timely discover honeycomb and reinforcement leakage in the concrete, and carry out repairs and reinforcement to ensure the integrated construction quality of the thermosetting modified polystyrene composite insulation board structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings described herein are used to provide a further understanding of the present invention, constitute a part of the present application, and do not constitute a limitation of the present invention. In the drawings:

[0022] Figure 1 An elevation view of a thermal insulation board installation structure provided by an embodiment of the present invention;

[0023] Figure 2 for Figure 1 Sectional view along aa axis;

[0024] Figure 3 A schematic diagram of a hole cutting construction structure provided by an embodiment of the present invention;

[0025] Figure 4 A schematic diagram of the construction structure of a thermal insulation integrated repair plate provided by an embodiment of the present invention;

[0026] Figure 5 A schematic diagram of a grouting repair structure provided in an embodiment of the present invention.

[0027] Among them, there are insulation board 1, inspection window 2, wall structure steel bars 3, square steel 4, rubber plug 5, cutting hole 6, honeycomb leakage reinforcement position 7, insulation integrated repair board 8, repair grouting hole 9, and expansion bolt 10. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the embodiments and the accompanying drawings. Here, the illustrative embodiments of the present invention and their descriptions are used to explain the present invention, but are not intended to limit the present invention.

[0029] See also Figure 1-Figure 5 , a method for detecting concrete defects in the integrated construction of an insulation board structure provided by an embodiment of the present invention comprises:

[0030] Before the insulation board 1 is installed, an inspection window 2 is arranged at a predetermined distance from the bottom edge of the lower end of the insulation board 1;

[0031] In practice, the predetermined distance is 50 mm; the diameter of the inspection window 2 is 10-20 mm.

[0032] After the installation and acceptance of the wall structure steel bars 3 is completed, the insulation board 1 is fixedly connected to the wall structure steel bars 3 according to the conventional process and the formwork is completed;

[0033] During implementation, square steel 4 is used as primary and secondary keels on the outer side of the insulation board 1 to reinforce the insulation board 1 before concrete pouring to ensure that the concrete slurry will not flow out of the inspection window due to deformation of the insulation board 1 during concrete pouring. The size of the square steel 4 is 40*40*1.5mm.

[0034] Before pouring concrete, use rubber plugs 5 to seal each inspection window 2. After the concrete pouring is completed and the concrete is finally set, remove the rubber plugs 5 to observe the slurry condition in the inspection window 2;

[0035] If there is slurry in the inspection window 2, it is determined that there is no honeycomb reinforcement leakage in the thermal insulation integrated structure concrete at this location;

[0036] If there is no slurry in the inspection window 2, insert the steel bar into the inspection window 2, and determine the inserted length of the steel bar after the steel bar is inserted to the bottom. If the inserted length is greater than the thickness of the insulation board 1, determine that there is honeycomb leakage in this part.

[0037] In practice, after determining that there is honeycomb leakage, the insulation board 1 can be cut downwardly at an angle above the inspection window 2 where the honeycomb leakage occurs, forming a cutting hole 6 with a side section in the shape of an inverted right-angled trapezoid, thereby revealing the honeycomb leakage position 7;

[0038] A thermal insulation integrated repair plate 8 is manufactured to match the cut hole 6, and the manufactured thermal insulation integrated repair plate 8 is fixed to the cut hole 6 to form a repair grouting hole 9 inclined upward;

[0039] Pour concrete into the repair grouting hole 9, the concrete grade is the same as the concrete grade for pouring the wall, and the pouring height is until the honeycomb leaking reinforcement position 7 is covered;

[0040] After the poured concrete is finally set, the remaining part of the repair grouting hole 9 is sealed and compacted with thermal insulation mortar.

[0041] The expansion bolts 10 can be used to penetrate the thermal insulation integrated repair plate 8 to fix it on the formed concrete wall structure. The repair grouting hole 9 has a diameter of 40-50 mm.

[0042] The embodiment of the present invention provides an inspection window on the insulation board. The inspection window can be opened after concrete pouring to inspect the pouring quality of the concrete structure, promptly detect honeycomb and reinforcement leakage in the concrete, and perform repairs and reinforcement to ensure the integrated construction quality of the thermosetting modified polystyrene composite insulation board structure.

[0043] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.

Claims

1. A method for detecting concrete defects in the integrated construction of an insulation board structure, characterized in that: include: Before installing the insulation board, an inspection window is set at a predetermined distance from the bottom edge of the insulation board; After the installation and acceptance of the wall structure reinforcement is completed, the insulation board is fixedly connected to the wall structure reinforcement according to the conventional procedures and the formwork is completed; Before pouring concrete, use rubber plugs to seal each inspection window. After the concrete pouring is completed and the concrete is finally set, remove the rubber plugs and observe the slurry condition in the inspection window; If there is slurry in the inspection window, it is confirmed that there is no honeycomb leakage in the thermal insulation integrated structural concrete at this location; If there is no slurry in the inspection window, insert the steel bar into the inspection window, and determine the inserted length of the steel bar after the inserted length is inserted to the bottom. If the inserted length is greater than the thickness of the insulation board, it is determined that there is honeycomb leakage in this part. The preset distance is 50mm; the inspection window diameter is 10-20mm; The method also includes: cutting the insulation board obliquely downward above the inspection window where the honeycomb leak occurs, so as to form a cutting hole having a side section in the shape of an inverted right-angle trapezoid, thereby revealing the location of the honeycomb leak; Making a thermal insulation integrated repair plate adapted to the cut hole, and fixing the made thermal insulation integrated repair plate at the cut hole to form a repair grouting hole inclined upward; Pour concrete into the repair grouting hole until the height covers the honeycomb leaking reinforcement position; After the poured concrete is finally set, the remaining part of the repair grouting hole is sealed and compacted with thermal insulation mortar; Expansion bolts are used to penetrate the thermal insulation integrated repair plate and fix it to the formed concrete wall structure.

2. The method for detecting concrete defects in the integrated construction of the insulation board structure according to claim 1, characterized in that: Before pouring concrete, square steel is used as primary and secondary keels on the outer side of the insulation board to reinforce the insulation board.

3. The method for detecting concrete defects in the integrated construction of the insulation board structure according to claim 1, characterized in that: The diameter of the repair grouting hole is 40-50mm.

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