CN208168362U - Protection pier structure for cast concrete exhaust pipe - Google Patents

Abstract

The utility model discloses a pouring concrete exhaust pipe protection pier structure, the protection pier structure is arranged on the bottom plate of the roof structure, and the protection pier structure includes a cement mortar layer, a sealing strip, a cylindrical concrete protection pier, an exhaust pipe, and a thermal insulation layer and a waterproof layer, the thermal insulation layer is laid on the bottom plate of the roof structure; the waterproof layer is fitted on the thermal insulation layer; the center of the cylindrical concrete protection pier is provided with a hole for penetrating the exhaust pipe, and the top of the exhaust pipe extends Out of the concrete protection pier, a sealing strip is provided at the connection position between the exhaust pipe and the top surface of the concrete protection pier; the bottom of the exhaust pipe is arranged in the waterproof layer; a sealing strip is provided at the connection position between the bottom surface of the concrete protection pier and the cement mortar layer. The structure design is reasonable, the construction quality is guaranteed, it can effectively prevent precipitation from falling in, it can prevent the occurrence of accumulated water, the exhaust effect is good, and it has strong practicability. The formed concrete protective pier has no joints, high flatness, no need to repair, saving time and labor.

Description

A pouring concrete exhaust pipe protection pier structure

technical field

The utility model relates to the technical field of floor slab engineering, in particular to a pouring concrete exhaust pipe protection pier structure.

Background technique

With the continuous development of modern architecture, people have higher and higher requirements for architectural aesthetics. Roof is a very important part of residential buildings, and it is also the place that best reflects the construction technology and construction management level. When the roof of the building is used for a long time, there will be water leakage and poor exhaust. The main leak point is the joint of the exhaust pipe.

At present, the traditional method for the concrete protection pier of the exhaust pipe is to use wooden formwork splicing for reinforcement or masonry brick membrane, then pour concrete, remove the formwork and plaster the concrete protection pier into a cylindrical shape, but this construction method exists These problems: first, the construction efficiency is low, the operation is inconvenient, and the wooden formwork needs to be manually spliced; The lower part of the trachea is simple to set and its waterproof layer is unreasonably set.

Utility model content

The purpose of this utility model is to provide a safe and fast pouring concrete exhaust pipe protection pier structure, which has reasonable design, good molding effect, no need for manual repair in the later stage, and more importantly, it can better remove gas and has Strong waterproof and moisture resistance.

In order to achieve the above object, the utility model adopts the following technical solutions:

The utility model provides a pouring concrete exhaust pipe protection pier structure, the protection pier structure is arranged on the roof structure bottom plate 1, the protection pier structure includes a cement mortar layer 2, a sealing strip 3, a cylindrical concrete protection pier 4, an exhaust pipe 5. The thermal insulation layer 9 and the waterproof layer, the thermal insulation layer 9 is laid on the bottom plate of the roof structure 1; the waterproof layer is attached and arranged on the thermal insulation layer 9;

The central position of the cylindrical concrete protection pier 4 is provided with a hole for penetrating the exhaust pipe 5, the top of the exhaust pipe 5 protrudes outside the concrete protection pier 4, and the connection position between the exhaust pipe 5 and the top surface of the concrete protection pier 4 is set There is a sealing strip 3; the bottom of the exhaust pipe 5 is set in the waterproof layer; the cement mortar layer 2 is poured on the waterproof layer;

Further, the waterproof layer is the first waterproof layer 6 , the air-collecting layer 7 and the second waterproof layer 8 from top to bottom; the bottom of the exhaust pipe 5 is connected through the air-collecting layer 7 .

Further, both ends of the first waterproof layer 6 extend upward along the bottom of the exhaust pipe 5; the extension height is at least 50 mm.

Further, both ends of the gas-collecting layer 7 are blocked.

Further, the thickness of the second waterproof layer 8 is greater than the thickness of the first waterproof layer 6 .

Further, the vertical exhaust pipe 5 is sleeved with a protection pipe coaxial with it.

Further, a PVC casing 10 is arranged outside the concrete protection pier 4; the diameter of the PVC casing 10 is 100mm-120mm.

Further, the height of the concrete protective pier 4 is 150mm-250mm.

Further, the thickness of the cement mortar layer 2 is at least 40 mm.

Further, the insulation layer 9 is a polyurethane foam board.

Compared with the prior art, the utility model has the following characteristics and beneficial effects:

1. The utility model provides a pouring concrete exhaust pipe protection pier structure, which has reasonable structural design, low cost, convenient operation, guarantees construction quality, and can effectively prevent precipitation from falling in, can prevent water accumulation, and has a good exhaust effect. Has strong practicability.

2. The utility model provides a protective pier structure for pouring concrete exhaust pipes. The large-diameter PVC casing is fixed on the outside of the exhaust pipe, and the concrete is poured as a formwork, which can effectively prevent grout leakage, and is no longer like erecting wooden boards in traditional construction methods. There is no need to remove the formwork for manual smoothing in the later stage. The formed concrete protective pier has no joints, high flatness, no need to repair, saving time and labor. In the process of construction practice, compared with traditional construction methods, it greatly reduces labor intensity, improves construction efficiency, shortens construction period, saves construction costs, achieves better construction results, and has higher economic benefits and social benefits. benefit.

3. The utility model provides a poured concrete exhaust pipe protection pier structure, and a gas-collecting layer with two ends blocked is added to the first waterproof layer and the second waterproof layer, which effectively achieves the purpose of exhaust and waterproof. The PVC casing mold set on the outside of the concrete can be removed and reused, which effectively reduces costs and meets the requirements of green construction. When the PVC casing mold is severely damaged, it can be replaced in time to ensure the molding quality of the protective pier.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a top view of the utility model concrete protection pier.

Description of the drawings: 1-Roof structure floor, 2-Cement mortar layer, 3-Sealing strip, 4-Concrete protection pier, 5-Exhaust pipe, 6-First waterproof layer, 7-Air-collecting layer, 8-Second Waterproof layer, 9-insulation layer, 10-PVC casing.

Detailed ways

The specific embodiments of the present utility model will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present utility model is not limited by the specific embodiments.

As shown in Figure 1, the utility model provides a poured concrete exhaust pipe protective pier structure, the protective pier structure is arranged on the roof structure bottom plate 1, and the height of the concrete protective pier 4 can be 150mm-250mm. The protection pier structure includes a cement mortar layer 2, a sealing strip 3, a cylindrical concrete protection pier 4, an exhaust pipe 5, an insulation layer 9, and a waterproof layer. The insulation layer 9 is laid on the roof structure bottom plate 1, and the waterproof layer is attached. On the insulation layer 9, the insulation layer 9 can be a polyurethane foam board. The central position of the cylindrical concrete protection pier 4 is provided with a hole for penetrating the exhaust pipe 5, the top of the exhaust pipe 5 protrudes outside the concrete protection pier 4, and the connection position between the exhaust pipe 5 and the top surface of the concrete protection pier 4 is set There is a sealing strip 3; the bottom of the exhaust pipe 5 is connected through the air-collecting layer 7; the bottom surface of the concrete protection pier 4 and the cement mortar layer 2 are connected with a sealing strip 3.

Specifically, the waterproof layer is the first waterproof layer 6 , the air-collecting layer 7 and the second waterproof layer 8 from top to bottom. The air-collecting layer 7 with both ends blocked is arranged between the first waterproof layer 6 and the second waterproof layer 8, and both ends of the second waterproof layer 8 extend upward along the bottom of the exhaust pipe 5; the extension height is at least 50mm. The thickness of the second waterproof layer 8 disposed on the lower layer is greater than the thickness of the first waterproof layer 6 . The cement mortar layer 2 is poured on the first waterproof layer 6, and the thickness of the cement mortar layer 2 is at least 40mm.

The vertical exhaust pipe 5 can also be sleeved with a protective pipe coaxial with it, so as to prolong the service life of the exhaust pipe 5 .

As shown in Fig. 2, a PVC casing 10 is provided outside the concrete protection pier 4; the diameter of the PVC casing 10 is 100mm-120mm. The large-diameter PVC sleeve 10 is fixed on the outside of the exhaust pipe 5, and is used as a template to pour concrete, which is no longer like the traditional construction method of erecting a wooden mold, and there is no need to remove the template for manual smoothing. The formed concrete protection pier 4 has no joints. The PVC casing 10 mold that is arranged on the outside of the concrete can be removed and used for turnover.

Specific construction steps:

Step 1, laying a thermal insulation board on the roof structure bottom plate 1;

Step 2, completing the construction of the waterproof layer on the insulation board;

Step 3, the lower part of the exhaust pipe 5 is arranged on the gas-collecting layer 7, and the exhaust pipe 5 is placed centrally in the large-diameter PVC sleeve 10, and no large deviation is allowed to prevent the position of the exhaust pipe 5 from being out of the center after the pouring of concrete is completed. ;

Step 4, pouring concrete to protect the pier 4; after the initial setting of the concrete, the large-diameter PVC casing 10 can be removed to prevent the PVC casing 10 from being properly removed when the concrete solidifies for too long;

Step five, pouring cement mortar layer 2 on the first waterproof layer 6;

Step 6: Install sealing strips 3 at the connection position between the exhaust pipe 5 and the top surface of the concrete protection pier 4, and at the connection position between the bottom surface of the concrete protection pier 4 and the cement mortar layer 2.

Step 7: Put the exhaust pipe protection pier into use after passing the structural inspection.

The utility model provides a pouring concrete exhaust pipe protection pier structure, which has reasonable structural design, low cost, convenient operation, can effectively prevent precipitation from falling, can prevent water accumulation, has good exhaust effect, and has strong practicability . What's more important is that the appearance of the protective pier structure is high, and there is no need to repair it, saving time and labor.

The above-mentioned embodiments are not exhaustive of the specific implementations, and there are other embodiments. The purpose of the above-mentioned embodiments is to illustrate the utility model, rather than limit the scope of protection of the utility model. All applications that are simply changed by the utility model are Fall within the protection scope of the present utility model.

Claims (10)

1. A pouring concrete exhaust pipe protection pier structure is characterized in that: the protection pier structure is arranged on the roof structure bottom plate (1), and the protection pier structure includes a cement mortar layer (2), a sealing strip (3), a cylinder Concrete protection pier (4), exhaust pipe (5), thermal insulation layer (9) and waterproof layer, the thermal insulation layer (9) is laid on the bottom plate of the roof structure (1); the waterproof layer is attached to the thermal insulation layer (9) )superior; The central position of the cylindrical concrete protection pier (4) is provided with a hole for penetrating the exhaust pipe (5), the top of the exhaust pipe (5) protrudes outside the concrete protection pier (4), and the exhaust pipe (5) A sealing strip (3) is provided at the connection position of the top surface of the concrete protective pier (4); the bottom of the exhaust pipe (5) is arranged in the waterproof layer; the cement mortar layer (2) is poured on the waterproof layer; the concrete protective pier (4) A sealing strip (3) is provided at the connection position between the bottom surface and the cement mortar layer (2). 2. The pouring concrete exhaust pipe protection pier structure according to claim 1, characterized in that: the waterproof layer is the first waterproof layer (6), the air-collecting layer (7) and the second waterproof layer ( 8); the bottom of the exhaust pipe (5) is connected through the gas-collecting layer (7). 3. The pouring concrete exhaust pipe protection pier structure according to claim 2, characterized in that: both ends of the first waterproof layer (6) extend upward along the bottom of the exhaust pipe (5); the extension height is at least 50 mm. 4. The pouring concrete exhaust pipe protection pier structure according to claim 2, characterized in that: both ends of the gas-collecting layer (7) are blocked. 5. The pouring concrete exhaust pipe protective pier structure according to claim 2, characterized in that the thickness of the second waterproof layer (8) is greater than the thickness of the first waterproof layer (6). 6. The pouring concrete exhaust pipe protective pier structure according to claim 1, characterized in that: the vertical exhaust pipe (5) is sleeved with a protective pipe coaxial with it. 7. The pouring concrete exhaust pipe protective pier structure as claimed in claim 1, characterized in that: the concrete protective pier (4) is also provided with a PVC sleeve (10); the diameter of the PVC sleeve (10) is 100mm- 120mm. 8. The pouring concrete exhaust pipe protective pier structure according to claim 1, characterized in that: the concrete protective pier (4) has a height of 150mm-250mm. 9. The pouring concrete exhaust pipe protection pier structure according to claim 1, characterized in that the thickness of the cement mortar layer (2) is at least 40 mm. 10. The pouring concrete exhaust pipe protection pier structure according to claim 1, characterized in that: the insulation layer (9) is a polyurethane foam board.