CN206360137U - Administration structure in one kind construction exterior wall mending-leakage reinforcement - Google Patents

Abstract

The utility model discloses a leak-reinforcing and internal treatment structure for constructing an external wall. Firstly, a 10-15 cm thickness of the inner surface is chiseled on the inner side of the leaking external wall, and the leaking position is temporarily sealed. For non-basement external walls in the wall Diagonal holes are drilled on the body, the outside is low and the inside is high for drainage; the base is cleaned, and the cement-based infiltration crystal is painted; then, in the chiseled wall, a water-swelling water-stop strip is pasted at a distance of 2 to 5 cm from the edge; and then the chiseled wall Reinforcement 5 is implanted on the surface, and distribution bars are arranged; then hand-dropped early-strength impermeable concrete is used on the wall, and grooves are reserved at the junction of old and new materials; finally, plugging agent is filled into the grooves after the concrete is finally set. The treatment method of the utility model has the advantages of reasonable design, low cost, convenient construction, convenient operation, structural reinforcement, no need for formwork, resource saving, internal treatment, high construction safety, and effectively solves the problem of external wall leakage today And make the internal treatment of external wall leakage at the same time repair leakage and reinforcement.

Description

A leak-trapping and strengthening internal treatment structure for structural exterior walls

technical field

The utility model relates to the technical field of building waterproofing and leak repairing, in particular to a leak repairing and strengthening internal treatment structure for the outer wall of a building.

Background technique

The external wall is a major difficulty in waterproof construction. In recent years, the leakage of the external wall of the building has been serious. In order to fundamentally solve the problem of cracking and leakage of the external wall, and considering the safety and convenience of construction, the leakage is repaired and the internal treatment is carried out. The external wall must be carefully and meticulously required in the construction process. If there is a construction error, it will easily cause leakage. The current construction management is difficult to meet the requirements; And other factors, will cause the external wall to crack, resulting in leakage; and the external wall leakage treatment, especially the external wall of high-rise buildings has always been a problem that is difficult to solve completely in the project.

Utility model content

The purpose of the utility model is to aim at the water leakage phenomenon of the outer wall, overcome the deficiencies of the prior art, solve the common and difficult leakage problem of buildings, and provide an internal treatment of the leakage of the outer wall, reinforcement and reinforcement, and strong adaptability And the cost is low, and there is no need for formwork, and the structure of green and environmental protection is leak-trapping and internal governance structure of the external wall.

The technical scheme adopted by the utility model is: a structural external wall leakage repair and reinforcement internal treatment structure, including beams (ring beams), plugging agents, columns (structural columns), hand-dropped early-strength impermeable concrete, and implanted steel bars , rubber waterstop, structural exterior walls, cement-based seepage crystals and inclined holes;

The wall part between the beam and the column is divided into three layers from the outside to the inside, which are the structural exterior wall, the cement-based permeable crystal and the hand-fall early-strength anti-seepage concrete; the cement-based permeable crystal and the hand-fall early-strength anti-seepage concrete The total thickness of the infiltrated concrete is 10-15cm;

The cement-based permeable crystals are pasted with water-swelling rubber water-stop strips at a distance of 2 to 5 cm from the edge; for non-basement walls, inclined holes are provided on the outer wall of the structure, and the inclined holes are low outside and high inside; The early-strength anti-seepage concrete is equipped with implanted steel bars, and the gap between the hand-fall early-strength anti-seepage concrete and the beams and columns is filled with a plugging agent.

Preferably, the structural types of the external walls include masonry structures and reinforced concrete frame structures, which basically meet the current main structural types.

As a preference, the distributed reinforcement is arranged in the manner of implanting the reinforcement, and the depth of the reinforcement is not less than 20d (d is the diameter of the reinforcement). In this way, the structural strength can be improved.

Preferably, the diameter of the inclined hole is 6-12 mm.

A construction method for constructing an external wall leak-trapping and reinforcing internal treatment structure, comprising the following steps:

1) Chisel off the inner surface of the leaking outer wall with a thickness of 10-15cm;

2) Temporarily stop water at the leakage location, use foaming agent for serious leakage, and use hydrophilic epoxy for slight leakage;

3) For the non-basement exterior wall, use a grinding machine to drill oblique holes on the wall, and drain the water with low outside and high inside;

4) Clean the base layer and paint cement-based osmotic crystallization;

5) Paste the water-swellable rubber water-stop strip in the chiseled wall, 2-5cm away from the edge;

6) Cut away part of the wall, drill holes in beams and columns, inject glue, implant steel bars, arrange distributed bars, and improve structural strength;

7) After the implanted steel colloid is solidified, use the hand-drop early-strength impermeable concrete to go up the wall, smooth it out, and reserve grooves at the junction of new and old materials. The grooves are large on the inside and small on the outside. Strong anti-seepage concrete upper wall;

8) Fill the reserved groove with leak-stopping agent. Finally, the external wall adopts crack sealing, cement-based permeable crystallization, and hand-dropped early-strength impermeable concrete for waterproofing. New and old materials use water-swellable water-stopping rubber strips and leak-proofing. Waterproofing agent filling, self-draining with oblique holes for non-basement walls.

As a preference, the foaming agent in the step 2) adopts oily polyurethane.

As a preference, the hand-dropped early-strength impermeable concrete in step 7) is thrown onto the wall in a semi-dry state, and the order of the wall is: first down and then up, from both sides to the middle, until the entire excavation area is filled, and Grooves are left around, and the grooves are large inside and small outside.

The water-swellable rubber water-stop strip of the utility model is pasted around the cut-out part of the wall body. The water-swellable rubber waterstop strip will expand and deform by 2-3 times after encountering water, and fill all the irregular surfaces, cavities and gaps in the groove, and generate huge contact pressure at the same time to prevent leakage, and can It eliminates the characteristics of elastic fatigue caused by excessive compression of general elastic materials, and at the same time, it is used in conjunction with foaming water-stopping agents and leak-stopping agents to form multi-channel waterproofing.

Beneficial effect: compared with the prior art, the utility model has the following advantages:

(1) The utility model adopts an internal management method, which does not require outdoor operations, especially for high-rise structures, and has high safety;

(2) The utility model uses the original structure of the non-basement exterior wall to retain part of the grinder to open oblique holes, and the direction of the holes is high on the inside and low on the outside, forming a self-draining structure;

(2) The utility model adopts the method of sealing the leak, painting cement base, implanting steel bars, and hand-dropping early-strength impermeable concrete on the wall to completely prevent the leakage of the outer wall, which is convenient for construction, reinforced and adaptable. Strong and low cost;

(3) The construction process of the utility model is simple, and the design is scientific and reasonable. The wall body of the final excavation part forms a hand-dropped early-strength impermeable concrete and reinforced waterproof with steel bars. Leakage agent is waterproof, non-basement outdoor walls are drilled with oblique holes on the outside for self-drainage, external drainage and internal defense, the treatment effect is obvious, and the service life is long;

(4) The construction technology of the utility model adopts hand-dropped early-strength impermeable concrete on the wall, which is convenient for construction, does not need formwork, saves materials, and is environmentally friendly;

(5) The utility model has strong practicability, high safety, convenient construction and easy popularization.

Description of drawings

Fig. 1 is the structural front view of the present utility model;

Fig. 2 is the A-A direction sectional view of Fig. 1;

Fig. 3 is a sectional view along the line B-B of Fig. 1 .

detailed description

Below in conjunction with accompanying drawing and specific embodiment, the utility model is further described.

As shown in Figure 1-3, a structural external wall leakage repair and reinforcement internal treatment structure, including beams (ring beams) 1, plugging agent 2, columns (structural columns) 3, hand-dropped early-strength impermeable concrete 4 , Implanted steel bars 5, rubber waterstops 6, structural exterior walls 7, cement-based permeable crystals 8, inclined holes 9;

The inner side of the outer wall 7 of the structure is chiseled to a thickness of 10 to 15 cm on the inner surface, and the leaking position is temporarily stopped, and for the non-basement outer wall, an oblique hole 9 is drilled on the wall to drain the water from the outside low and the inside high; clean the base, paint Brush the cement-based infiltration crystal 8; then paste the water-swellable rubber waterstop strip 6 in the chiseled wall at a distance of 2 to 5 cm from the edge; Fall-type early-strength anti-seepage concrete 4 is put on the wall, and a groove is reserved at the junction of old and new materials; finally, after the concrete is finally set, fill the groove with leak-stopping agent 2;

The applicable structural types of the structural exterior wall 7 include masonry structures and reinforced concrete frame structures, which basically meet the current main structural types. The outer wall 7 of the structure adopts internal treatment without outdoor work, especially for high-rise structures, which requires no outdoor work and has high safety. The implanted steel bars 5 are drilled first, and then injected with glue, and the depth of implanted steel bars is not less than 20d (d is the diameter of the steel bars). In this way, the structural strength can be improved.

The hand-drop early-strength anti-seepage concrete 4 is placed on the wall, and the hand-drop early-strength anti-seepage concrete 4 is placed on the wall by manual hand-drop. The material has micro-expansion, early strength, impermeability, anti-aging, structural reinforcement, The construction is convenient, no formwork is required, green and environmentally friendly, and the slump is low and no self-flowing. The initial and final setting time can be adjusted according to the change of the admixture in the mix ratio to meet the construction needs.

A construction method for constructing an external wall leak-trapping and reinforcing internal treatment structure, comprising the following steps:

1), chisel off the inner surface 10-15cm thickness in the leaking structural outer wall 7;

2) Temporarily stop the water at the leakage location, use foaming agent (oily polyurethane) for serious leakage, and use hydrophilic epoxy for slight leakage;

3) For the non-basement exterior wall, use a grinding machine to drill oblique holes 9 on the wall, with the outer low and inner high drainage, and the hole diameter is 6-12mm;

4), clean the base, and paint the cement-based osmotic crystal 8;

5) Paste the water-swellable rubber water-stop strip 6 in the chiseled wall, 2-5cm away from the edge;

6), chiseling part of the wall, drilling holes in beam 1 and column 3, injecting glue, implanting steel bar 5, arranging distribution bars, and improving structural strength;

7) After the implanted steel colloid is solidified, use the hand-dropped early-strength impermeable concrete 4 to put on the wall, smooth it out, and reserve grooves at the junction of new and old materials. The grooves are large inside and small outside. Early-strength anti-seepage concrete is easy to construct and operate on the wall, and does not need formwork;

8) Fill the reserved groove with leak-stopping agent 2. Finally, the outer wall adopts crack sealing, cement-based permeable crystallization 8, and hand-dropped early-strength impermeable concrete 4 is waterproof. The groove at the junction of new and old materials is water-swellable Water-stop rubber strip 6, leak-stopping agent 2 are filled to seal and waterproof, and non-basement walls adopt oblique holes 9 for self-drainage.

It should be pointed out that those skilled in the art can make some improvements and modifications without departing from the principle of the utility model, and these improvements and modifications should also be regarded as the protection scope of the utility model. All components that are not specified in this embodiment can be realized by existing technologies.

Claims (4)

1. A leak-trapping and reinforcing internal treatment structure for the external wall of the structure, characterized in that it includes beams, leak-stopping agents, columns, hand-dropped early-strength impermeable concrete, implanted steel bars, rubber water-stop strips, external walls of the structure, cement basal infiltration crystallization and oblique pores; The wall part between the beam and the column is divided into three layers from the outside to the inside, which are the structural exterior wall, the cement-based permeable crystal and the hand-fall early-strength anti-seepage concrete; the cement-based permeable crystal and the hand-fall early-strength anti-seepage concrete The total thickness of the seepage concrete is 10~15cm; The cement-based permeable crystals are pasted with water-swelling rubber water-stop strips at a distance of 2 to 5 cm from the edge; for non-basement walls, inclined holes are provided on the outer wall of the structure, and the inclined holes are low on the outside and high on the inside; The early-strength anti-seepage concrete is equipped with implanted steel bars, and the gap between the hand-fall early-strength anti-seepage concrete and the beams and columns is filled with a plugging agent. 2 . The leak-trapping and internal treatment structure for structural exterior walls according to claim 1 , characterized in that: the structural types of the structural exterior walls include masonry structures and reinforced concrete frame structures. 3 . 3. A structural external wall leak-reinforcing and internal treatment structure according to claim 1, characterized in that: the implanted steel bars are arranged to distribute the bars, and the depth of the implanted steel bars is not less than 20d, where d is the diameter of the steel bars. 4. The external wall leak-trapping and internal treatment structure according to claim 1, characterized in that: the diameter of the inclined hole is 6-12mm.