CN116927258A - A construction method and construction support device for pre-paved anti-adhesive waterproofing membrane - Google Patents

Abstract

The invention discloses a construction method and a construction supporting device for pre-paved anti-adhesion waterproof coiled materials, wherein the construction supporting device comprises the following steps: building a supporting template unit and paving waterproof coiled materials, wherein the waterproof coiled materials cover one side of the supporting template unit, and the height of the waterproof coiled materials is larger than that of the supporting template unit; fixing the contact position of the waterproof coiled material and the upper end of the supporting template unit, arranging a supporting frame on one side, far away from the waterproof coiled material, of the supporting template unit, arranging a connecting piece on the supporting frame, and enabling the connecting piece to sequentially penetrate through the supporting frame, the supporting template unit and the waterproof coiled material, wherein the connecting piece is fixedly connected with the supporting frame and the foundation raft; pouring concrete; and cutting off the part of the waterproof coiled material higher than the supporting template unit, removing the supporting frame and the supporting template unit, cutting off the connecting piece reserved on the outer side of the waterproof coiled material, and repairing the damaged position in the cutting process. Compared with the construction method of the brick moulding bed, the brick moulding bed material consumption and the construction operation time are greatly reduced, the labor investment is reduced, the construction cost is reduced, and the construction progress is accelerated.

Description

A construction method and construction support device for pre-paved anti-adhesive waterproofing membrane

Technical field

The invention belongs to the technical field of building construction and relates to a construction method of pre-paved anti-adhesive waterproofing membrane and a construction support device.

Background technique

HDPE polymer self-adhesive membrane waterproofing membrane is an international cutting-edge technology developed specifically for underground engineering. Through the pre-paved and anti-adhesive construction method, effective construction can be achieved in rainy days, water, low temperature and other construction environments during the construction process. Overlapping, the protective layer can be omitted, and the base plate steel bars can be tied directly on the waterproof membrane. After forming, the rolled material forms a permanent seamless bond with the post-poured concrete structure. It has anti-adhesive effect, prevents water from channeling, and has good mechanical properties. It is suitable for various basement waterproofing projects.

Defects and shortcomings of the existing technology: During the actual construction of the foundation raft stage, according to the specification requirements, a certain height of waterproof membrane must be reserved between the waterproofing of the foundation floor and the waterproofing of the basement exterior wall. The conventional practice is to build brick membranes. Mainly, this method is labor-consuming and time-consuming, and it is also inconvenient to dismantle later, which poses certain risks to the construction progress and cost.

Contents of the invention

The purpose of the present invention is to solve the problem in the prior art that during the construction of waterproofing membranes, one side of the waterproofing membrane is mainly built with brick membranes, which is labor-intensive and time-consuming, and to provide a construction method for pre-laying anti-adhesive waterproofing membranes. and construction support devices.

In order to achieve the above objectives, the present invention adopts the following technical solutions to achieve:

A construction method of pre-paved anti-adhesive waterproofing membrane, including the following steps:

Build a support formwork unit and lay waterproof membranes, the waterproof membranes fit with the side walls of the support formwork units, and the height of the waterproof membranes is greater than the height of the support formwork units;

Fix the position where the waterproof membrane contacts the upper end of the support formwork unit, and place the basic raft on the waterproof membrane;

A support frame is provided on the side of the support formwork unit away from the waterproof membrane. The support frame offsets the support formwork unit. A connector is provided on the support frame. The connector penetrates the support frame, the support template unit and the waterproof membrane in sequence. The connector and the support frame Fixedly connected to the foundation raft;

Concrete the foundation raft;

Cut off the part of the waterproof membrane that is higher than the supporting formwork unit, remove the support frame and the supporting formwork unit, cut off the connectors reserved on the outside of the waterproofing membrane, and repair the damaged parts during the removal process.

Further improvements of the present invention are:

The height of the waterproof membrane is 3-5cm higher than the height of the supporting formwork unit.

Use iron nails to fix the position where the waterproof membrane contacts the upper end of the supporting formwork unit.

The support template unit includes a template, a sub-keel is arranged on the side of the template away from the waterproof membrane, and a main keel is arranged on the outside of the sub-keel.

The support frame includes a horizontal support component connected to the main keel;

An oblique support rod assembly is provided on the outside of the horizontal support assembly. One end of the oblique support rod assembly is connected to the horizontal support assembly, and the other end contacts the limiter. The limiter is fixed on the ground.

The horizontal support assembly includes a first connecting rod and a second connecting rod arranged in parallel;

The first connecting rod and the second connecting rod are spaced apart from top to bottom along the main keel.

The oblique support rod assembly includes a horizontal support rod and an oblique support rod;

The horizontal support rod is placed on the ground, one end of the horizontal support rod is against the second connecting rod, and the other end is connected to a fixed block, and the fixed block is against the limiting member;

One end of the oblique support rod is connected to the first connecting rod, and the other end is connected to the fixed block.

The connecting piece penetrates the first connecting rod, the supporting template unit and the waterproof membrane in sequence;

The connecting piece and the first connecting rod are fixedly connected to the foundation raft.

A support device for the construction of pre-paved anti-adhesive waterproofing membranes, including a support formwork unit connected to the waterproofing membrane to be constructed. A support frame is provided on the side of the support formwork unit away from the waterproofing membrane. The support frame and the support The formwork units are offset, and connectors are provided on the support frame. The connectors pass through the support frame, the support formwork unit and the waterproof membrane in sequence. The connectors are firmly connected to the support frame and the foundation raft to be poured. The foundation raft is placed on the site to be constructed. on the waterproof membrane.

Further, the support frame includes a horizontal support component, and the horizontal support component is connected to the main keel;

An oblique support rod assembly is provided on the outside of the horizontal support assembly. One end of the oblique support rod assembly is connected to the horizontal support assembly, and the other end contacts the limiter. The limiter is fixed on the ground.

Compared with the prior art, the present invention has the following beneficial effects:

The invention discloses a construction method of pre-paved anti-adhesive waterproofing membrane. A supporting template unit is provided on one side of the waterproofing membrane. The height of the waterproofing membrane is greater than the height of the supporting template, and a hook is formed, and the hooking point is connected with the supporting template. The upper end of the support formwork unit is fixed, and a support frame is provided on the side of the support formwork unit away from the waterproof membrane to form support for the support formwork unit, and a connector is provided on the support frame, and the connector passes through the support frame, the support formwork unit, and the waterproofing material in turn. The membrane is firmly connected to the support frame and the foundation raft, which exerts an outward pulling force on the waterproof membrane and the support formwork unit, strengthens the tightness of the connection between the waterproof membrane and the support formwork unit, and also improves the support effect of the formwork. , cooperate with the support frame to form the effect of internal tension and external support, which facilitates later pouring construction. After the pouring is completed, the support frame and support formwork units can be disassembled in sequence. Compared with the traditional brick membrane construction method, the brick membrane construction method is greatly reduced. The amount of materials and construction operation time can reduce labor input, reduce construction costs, and speed up construction progress.

Further, in the present invention, the support frame includes a main keel and a sub-keel arranged vertically. The main keel, the sub-keel and the oblique support rod assembly cooperate to provide side support to the support formwork unit, which can not only ensure the stable support effect, but also facilitate the later stage. disassembly.

The invention discloses a construction support device for pre-paved anti-adhesive waterproofing membranes, which is mainly used in the construction of waterproofing membranes. The waterproofing membranes are supported through a support formwork unit, and the formwork is supported by a support frame on one side of the formwork unit. The unit is supported, and the support frame is matched with connectors to strengthen the support of the formwork unit during construction. Compared with the traditional brick membrane construction method, this device is easy to disassemble and assemble, greatly reducing the amount of brick membrane materials and construction operations. time, which can reduce labor input, reduce construction costs, and speed up construction progress.

Description of the drawings

In order to explain the technical solutions of the embodiments of the present invention more clearly, the drawings required to be used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and therefore do not It should be regarded as a limitation of the scope. For those of ordinary skill in the art, other relevant drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 is an overall structural diagram of the present invention;

Figure 2 is a side view of the present invention;

Figure 3 is a three-dimensional structural view of the present invention;

Figure 4 is a construction schematic diagram of the basement exterior wall waterproofing membrane of the present invention;

Figure 5 is another construction schematic diagram of the basement exterior wall waterproofing membrane of the present invention.

Among them: 1-waterproof membrane; 2-connector; 3-basic raft; 4-template; 5-main keel; 6-first connecting rod; 7-second connecting rod; 8-horizontal support rod; 9- Inclined support rod; 10-fixed block; 11-adjustable support; 12-limiting piece; 13-basement exterior wall waterproofing membrane; 14-base treatment agent; 15-double-sided butyl tape; 16-single-sided Butyl tape.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, rather than all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

Therefore, the following detailed description of the embodiments of the invention provided in the appended drawings is not intended to limit the scope of the claimed invention, but rather to represent selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present invention.

It should be noted that similar reference numerals and letters represent similar items in the following figures, therefore, once an item is defined in one figure, it does not need further definition and explanation in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that if the terms “upper”, “lower”, “horizontal”, “inner”, etc. appear to indicate an orientation or positional relationship, they are based on the orientation or positional relationship shown in the drawings. , or the orientation or positional relationship in which the product of the invention is usually placed when used, is only for the convenience of describing the invention and simplifying the description, and does not indicate or imply that the device or component referred to must have a specific orientation or be constructed in a specific orientation. and operation, and therefore cannot be construed as limitations of the present invention. In addition, the terms "first", "second", etc. are only used to differentiate descriptions and are not to be understood as indicating or implying relative importance.

In addition, if the term "level" appears, it does not mean that the component is required to be absolutely horizontal, but may be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical". It does not mean that the structure must be completely horizontal, but can be slightly tilted.

In the description of the embodiments of the present invention, it should also be noted that, unless otherwise clearly stated and limited, the terms "setting", "installation", "connecting" and "connecting" should be understood in a broad sense. For example, they can It can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, or it can be an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

The present invention will be described in further detail below in conjunction with the accompanying drawings:

Referring to Figure 1, an embodiment of the present invention discloses a construction method of pre-paved anti-adhesive waterproofing membrane. When laying HDPE pre-paved anti-adhesive waterproofing membrane on the base raft bottom plate, a certain height of slat is reserved, and the stubble is placed Use iron nails to fix the inside of the formwork. Install the formwork in place through one-sided formwork and "inner pull and outer support". Concrete can be poured to achieve the purpose of rapid construction of HDPE pre-paving in the basement.

Specifically, it includes the following steps:

Roll material laying and reservation:

First, the base layer is cleaned. After the base layer is cleaned, the waterproof membrane 1 is laid according to the pre-laying and reverse-adhesive construction method, and the basic raft 3 is placed on the waterproof membrane 1, among which the HDPE waterproof membrane 1 in the hanging area is Reserve 3-5cm that needs to be 3-5cm higher than the foundation raft slab when concrete is poured into the living surface.

The formwork is installed according to the foundation edge line and the thickness of the foundation raft 3. The formwork 4 is installed on one side of the foundation raft 3, and the waterproof membrane 1 is located inside the formwork 4, that is, on the side away from the foundation raft 3;

Roll fixation:

At the position where the top of the template 4 contacts the waterproof membrane 1, use iron nails to fix the waterproof membrane 1 and the template 4.

Among them, iron nails are set every 1m to prevent the coil from being twisted at will during the construction process.

Raft steel bar lashing:

After the construction of the inner and outer corners of the HDPE waterproof membrane and other detailed structures is completed, the raft steel bars can be tied;

Template reinforcement:

Specifically:

The secondary keel is fixed laterally on one side of the template 4, and the main keel 5 is fixed on the outside of the secondary keel. The main keel 5 is distributed vertically at intervals;

The outer side of the main keel 5 is connected to the first connecting rod 6 and the second connecting rod 7. The first connecting rod 6 and the second connecting rod 7 are horizontally spaced apart, so that the first connecting rod 6 and the second connecting rod 7 are aligned with the main keel 5. The state of vertical distribution;

Among them, the first connecting rod 6 is close to the upper end of the main keel 5, and the lower end of the second connecting rod 7 is in contact with the ground.

An oblique support rod 9 is connected to the outside of the first connecting rod 6. One end of the oblique support rod 9 is connected to the first connecting rod 9 and the other end is connected to the fixed block 10; a horizontal support rod 8 is connected to the outside of the second connecting rod 7. One end of the support rod 8 is connected to the second connecting rod 7 and the other end is connected to the fixed block 10 .

The fixed block 10 is placed on the ground, and the limiting member 12 is fixed on one side of the fixed block 10 . The limiting member 12 is against the fixed block 10 .

Further, in the embodiment of the present invention, an oblique support rod 9 is provided for every two main keels 5. Each oblique support rod 9 corresponds to a horizontal support rod 8. The horizontal support rods 8 and the oblique support rods 9 are in contact with the corresponding main keels. Adjustable supports 11 are placed at the contact positions to support the first connecting rod 6 and the second connecting rod 7 to achieve the effect of "external support".

Further, in the embodiment of the present invention, the limiting member 12 is a U-shaped steel bar.

Further, in the embodiment of the present invention, the main keel 5 uses 40×60mm wooden square as the secondary keel, and the distance between adjacent main keels 5 is 150mm. It is also possible to use 40×60mm wooden square as the main keel. When using square wood, each interval 500mm for reinforcement.

Furthermore, in the embodiment of the present invention, the sub-keels are reinforced with 48.3mm*2.7mm steel pipes every 800mm.

Further, in the embodiment of the present invention, the diagonal support rod 9 is a 48.3mm*2.7mm steel pipe.

Furthermore, in the embodiment of the present invention, both the first connecting rod 6 and the second connecting rod 7 are steel pipes.

Further, in the embodiment of the present invention, the connecting member 2 is a threaded screw. The threaded screw is inserted at the connection between the main keel 5 and the first connecting rod 6. The threaded screw penetrates the foundation raft 3, the formwork 4 and the waterproof roll in sequence. Material 5 is then welded to the foundation raft, and the threaded screw located outside the first connecting rod 6 is fixed on the outside of the first connecting rod 6 using a mountain-shaped buckle to achieve the effect of "inward pulling".

Concrete pouring:

Concrete can be poured after the formwork reinforcement and acceptance are completed.

Waterproof membrane treatment of the hook area:

After the template is removed, cut off the iron nails and threaded screws. Use a marker to mark the damaged location, iron nail location and screw hole hole location. Cut the sand surface cover strip into a circle and clean the base membrane with a brush. After cleaning, tear off the isolation film of the sand surface cover strip and stick it on the damaged area.

Cut the 3-5cm waterproof membrane reserved in advance for the stubble area. After completion, the basement exterior wall waterproofing construction can be carried out.

Referring to Figures 4 to 5, embodiments of the present invention also disclose the construction process of waterproofing membranes for basement exterior walls:

There are mainly two types of overlapping forms:

The first:

When there is only one bending point between the basement foundation and the raft, cut the 3-5cm HDPE self-adhesive film waterproofing membrane 1 reserved for the swing area cleanly and flatly, and wait for preparations such as repairing, polishing, and sealing of the basement exterior wall. After completion, apply the base treatment agent 14 to the finished basement exterior wall to the position of the waterproof membrane (HDPE), and then lay the basement exterior wall waterproofing membrane 13 in accordance with the specifications (the waterproof membrane is specifically designed according to the drawings). The lower end of the basement exterior wall waterproofing membrane 13 is overlapped and fixed with the upper end of the HDPE waterproofing membrane 1. The overlapping distance is 20cm. The overlapped portion of the basement exterior wall waterproofing membrane 13 and the HDPE waterproofing membrane 1 is passed through double-sided butyl. Tape 15 is attached. The double-sided butyl tape 15 is located between the basement exterior wall waterproofing membrane 13 and the HDPE waterproofing membrane 1. Make sure it fits tightly. The double-sided butyl tape 13 is located between the basement exterior wall waterproofing membrane 1. The lower joint is sealed and pasted with single-sided butyl tape 16. The vertical height of the single-sided butyl tape 16 is 10cm;

At the bottom of the overlap, it is necessary to ensure that the seal is tight to form two layers of waterproof defense at the overlap. Subsequent construction can be carried out after acceptance.

The second type:

When there are two or more bending points between the basement foundation and the raft, cut the 3-5cm HDPE self-adhesive film waterproofing membrane 1 reserved for the bending area cleanly and flatly, and make arcs at all the sunny corners of the basement exterior wall. corner to ensure the quality of the waterproof membrane. After the basement exterior wall repair, grinding, sealing and other preparations are completed, apply base treatment agent 14 on the completed basement exterior wall until the waterproof membrane (HDPE) 1 is applied. position, and then lay the basement exterior wall waterproofing membrane 13 in accordance with the specifications (the waterproofing membrane is specifically designed according to the drawings). The basement exterior wall waterproofing membrane 13 must closely fit the vertical and horizontal planes of the basement exterior wall;

The lower end of the basement exterior wall waterproofing membrane 13 is overlapped and fixed with the upper end of the HDPE waterproofing membrane 1. The overlapping distance is 20cm. Paste the double-sided butyl tape 15 to the basement exterior wall waterproofing membrane 13 and the HDPE waterproofing membrane. To form an overlap, ensure a tight fit;

Use single-sided butyl tape 16 to seal the joint where the double-sided butyl tape 15 is located at the lower end of the basement exterior wall waterproofing membrane 13. The vertical height of the single-sided butyl tape 16 is 10cm, and the sealing must be tight. , forming two layers of waterproofing at the overlap. After acceptance, subsequent construction can be carried out.

Compared with the traditional brick membrane construction method, the present invention greatly reduces the amount of brick membrane materials and construction operation time, and has the advantages of reducing labor input, lowering construction costs, and accelerating construction progress.

The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims (10)

1. The construction method of the pre-paved anti-adhesion waterproof roll is characterized by comprising the following steps of:

building a supporting template unit and paving a waterproof coiled material (1), wherein the waterproof coiled material (1) is attached to the side wall of the supporting template unit, and the height of the waterproof coiled material (1) is larger than that of the supporting template unit;

fixing the contact position of the waterproof coiled material (1) and the upper end of the supporting template unit, and placing a foundation raft (3) on the waterproof coiled material (1);

a supporting frame is arranged on one side, far away from the waterproof coiled material (1), of the supporting template unit, the supporting frame is propped against the supporting template unit, a connecting piece (2) is arranged on the supporting frame, the connecting piece (2) sequentially penetrates through the supporting frame, the supporting template unit and the waterproof coiled material (1), and the connecting piece (2) is fixedly connected with the supporting frame and the foundation raft (3);

pouring concrete into the foundation raft (3);

and cutting off the part of the waterproof coiled material (1) higher than the supporting template unit, removing the supporting frame and the supporting template unit, cutting off the connecting piece (2) reserved on the outer side of the waterproof coiled material (1), and repairing the damaged position in the cutting process.

2. The construction method of the pre-laid anti-adhesion waterproof coiled material according to claim 1, wherein the height of the waterproof coiled material (1) is 3-5cm higher than the height of the supporting template unit.

3. The construction method of the pre-laid anti-adhesion waterproof coiled material according to claim 1, wherein the position where the waterproof coiled material (1) is contacted with the upper end of the supporting template unit is fixed through iron nails.

4. The construction method of the pre-paved anti-adhesion waterproof roll according to claim 1, wherein the supporting template unit comprises a template (4), a secondary keel is arranged on one side, away from the waterproof roll (1), of the template (4), and a main keel (5) is arranged on the outer side of the secondary keel.

5. The construction method of the pre-laid anti-adhesion waterproof coiled material according to claim 1, wherein the support frame comprises a horizontal support component, and the horizontal support component is connected with a main keel (5);

the horizontal support assembly is provided with the diagonal bracing subassembly in the outside, diagonal bracing subassembly one end is connected with the horizontal support assembly, and the other end contacts locating part (12), locating part (12) are fixed subaerial.

6. The construction method of the pre-laid anti-adhesion waterproof coiled material according to claim 5, wherein the horizontal support assembly comprises a first connecting rod (6) and a second connecting rod (7) which are arranged in parallel;

the first connecting rods (6) and the second connecting rods (7) are distributed at intervals along the main joist (5) from top to bottom.

7. The construction method of the pre-laid anti-adhesion waterproof coiled material according to claim 6, wherein the diagonal bracing assembly comprises a horizontal bracing rod (8) and a diagonal bracing rod (9);

the horizontal support rod (8) is placed on the ground, one end of the horizontal support rod (8) is propped against the second connecting rod (7), the other end of the horizontal support rod is connected with the fixing block (10), and the fixing block (10) is propped against the limiting piece (12);

one end of the inclined support rod (9) is connected with the first connecting rod (6), and the other end of the inclined support rod is connected with the fixed block (10).

8. The construction method of the pre-laid anti-adhesion waterproof coiled material according to claim 7, wherein the connecting piece (2) sequentially penetrates through the first connecting rod (6), the supporting template unit and the waterproof coiled material (1);

the connecting piece (2) and the first connecting rod (6) are fixedly connected with the foundation raft (11).

9. The utility model provides a reverse waterproofing membrane construction strutting arrangement that glues in advance, its characterized in that, including supporting the template unit, the template unit is connected with the waterproofing membrane that waits to construct, and one side that waterproofing membrane (1) was kept away from to the template unit is supported sets up the support frame, and the support frame offsets with supporting the template unit, sets up connecting piece (2) on the support frame, and connecting piece (2) run through support frame, support template unit and waterproofing membrane (1) in proper order, and connecting piece (2) link firmly with support frame and foundation raft board (3) of waiting to pour, foundation raft board (3) are placed on the waterproofing membrane of waiting to construct.

10. The pre-laid anti-adhesion waterproof coiled material construction supporting device according to claim 9, wherein the supporting frame comprises a horizontal supporting component, and the horizontal supporting component is connected with the main keel (5);

the horizontal support assembly is provided with the diagonal bracing subassembly in the outside, diagonal bracing subassembly one end is connected with the horizontal support assembly, and the other end contacts locating part (12), locating part (12) are fixed subaerial.