CN215630818U - Connecting node structure of PTW wallboard and foundation - Google Patents

Abstract

A connecting node structure of a PTW wallboard and a foundation comprises the foundation and the PTW wallboard, wherein vertical steel bars are embedded in the position, arranged along the PTW wallboard, in the foundation, the vertical steel bars partially extend out of the foundation, two rows of the vertical steel bars are arranged, the distance between the two rows of the vertical steel bars is smaller than the distance between two precast slabs forming the PTW wallboard, a water stop ridge higher than the foundation is arranged between the two rows of vertical reinforcing steel bars, a PVC water stop belt is embedded in the middle of the water stop ridge, leveling gaskets are arranged between the bottom of the PTW wallboard and the contact surface of the foundation for leveling, a plurality of temporary fixing ground feet are fixed at the positions, close to the bottom, of the two outer sides of the PTW wallboard, temporary fixing inclined supports are further arranged at the two sides of the PTW wallboard and supported on the foundation, outer side pulp blocking square timbers are distributed on two outer side surfaces of the bottom of the PTW wallboard and used for sealing a gap between the PTW wallboard and a foundation; the utility model has the advantages of high construction efficiency, good water stopping effect, accurate positioning of the PTW wall, guarantee of the installation verticality of the wall and guarantee of the safety of subsequent construction operation.

Description

Connecting node structure of PTW wallboard and foundation

Technical Field

The utility model relates to a connecting node structure of a PTW (Pan-Tilt-wall) wallboard and a foundation.

Background

With the maturity of prefabricated assembly type technology, assembly type building obtains widelys popularization, extensively applies to each engineering field. Traditional prefabricated PTW wallboard and basic connected node adopt pre-buried muffjoint usually, insert wallboard pre-buried sleeve to basic pre-buried reinforcing bar from down during the wallboard installation, then connect into whole with the prefabricated wallboard in upper portion through the wet operation of grout.

The connection form has high installation accuracy requirement, grouting quality has strict requirement, no proper detection means is provided to ensure that grouting is dense, grouting fullness directly influences the connection performance of the foundation embedded steel bars and the upper wallboard, and stress safety is influenced if the foundation embedded steel bars are pulled out due to non-dense grouting. When the water-stopping device is used for underground structures or water treatment structures, effective water stopping measures are not taken at the bottom of the wall, and a good water stopping effect cannot be achieved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of the prior art and provide the connecting node structure of the PTW wallboard and the foundation, which has the advantages of high construction efficiency, good water stopping effect, accurate positioning of the PTW wall, capability of ensuring the mounting verticality of the wall and safety of subsequent construction operation.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

the utility model discloses a connecting node structure of a PTW wallboard and a foundation, which comprises the foundation and the PTW wallboard, vertical steel bars are embedded in the position, arranged along the PTW wallboard, of the foundation, the vertical steel bars partially extend out of the foundation, two rows of the vertical steel bars are arranged, the distance between the two rows of the vertical steel bars is smaller than the distance between two precast slabs forming the PTW wallboard, a water stop ridge higher than the foundation is arranged between the two rows of vertical reinforcing steel bars, a PVC water stop belt is embedded in the middle of the water stop ridge, leveling gaskets are arranged between the bottom of the PTW wallboard and the contact surface of the foundation for leveling, a plurality of temporary fixing ground feet are fixed at the positions, close to the bottom, of the two outer sides of the PTW wallboard, temporary fixing inclined supports are further arranged at the two sides of the PTW wallboard and supported on the foundation, two lateral surfaces of the bottom of the PTW wallboard are provided with outer side pulp blocking square timbers, and the outer side pulp blocking square timbers are used for sealing a gap between the PTW wallboard and a foundation.

In this embodiment, the PTW wall panel is composed of two prefabricated panels, and a gap is formed between the two prefabricated panels to form a cavity in which concrete is poured in situ.

In this embodiment, interim fixed lower margin is the L type, and the riser and the bottom plate of interim fixed lower margin all are equipped with the bolt trompil, the riser and the bottom plate of interim fixed lower margin pass through wallboard embedded bolt to be fixed respectively at PTW wallboard and subaerial.

In this embodiment, a part of the PVC waterstop is embedded in the waterstop sill and extends into the foundation, and the other part extends out of the foundation.

In this embodiment, the two ends of the temporary fixing diagonal brace are respectively fixed on the middle part and the foundation of the PTW wallboard.

In the embodiment, the thickness of the inner and outer prefabricated plates is between 60 and 80 mm.

Due to the adoption of the mode, the utility model has the following advantages:

(1) vertical atress reinforcing bar and basic integral pouring, vertical atress reinforcing bar reserve certain length and insert in the PTW wallboard cavity, when PTW wallboard carries out the secondary slip casting like this, the PTW wallboard forms a whole with the basis, because of the unable accurate positioning of error and the uncompacted influence atress safety of secondary slip casting when having avoided prior art muffjoint.

(2) Set up the PVC waterstop, in the partly pre-buried and basis of PVC waterstop, another part remains in PTW wallboard cavity, and PTW wallboard secondary is pour the back, and the PVC waterstop forms a complete stagnant water protective screen in the PTW wallboard, reaches fine stagnant water effect.

(3) The bottom of PTW wallboard adopts high-strength no shrink grout to pour, guarantees the closely knit nature of wall bottom and basic junction.

(4) PTW wallboard sets up the fixed lower margin temporarily, and control skew error guarantees that PTW wall location is accurate.

(5) The PTW wallboard is provided with the leveling gasket, so that the wall body can be finely adjusted, and the perpendicularity of wall body installation is guaranteed.

(6) The PTW wallboard is provided with the temporary fixed inclined strut, so that the PTW wall is stable and reliable before secondary pouring concrete in the cavity reaches the design strength, and the safety of subsequent construction operation is ensured.

Drawings

FIG. 1 is a top view of the present invention;

FIG. 2 is an elevational view of the present invention;

FIG. 3 is a partial overview of the present invention;

fig. 4 is a partial second broad view of the present invention.

Description of reference numerals: 1. a foundation; 2. PTW wallboard; 3. a PVC waterstop; 4. vertical stressed steel bars; 5. high-strength non-shrinkage grouting material; 6. leveling a gasket; 7. secondary concrete pouring; 8. temporarily fixing the ground feet; 9. temporarily fixing the inclined support; 10. the inner side of the square timber is used for blocking the pulp; 11. the outside keeps off thick liquid square timber.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

As shown in fig. 1 to 4, a connecting node structure of a PTW wallboard and a foundation comprises a PTW wallboard 1, a temporary fixing anchor 2, a horizontal fixing piece 3, an embedded bolt 4, embedded angle steel 5, a reinforcing mesh piece 6, a plastic foam rod 7, adhesive tape paper 8 and sealant 9, wherein the PTW wallboard 1, the embedded bolt 4 and the embedded angle steel 5 are all prefabricated and finished in a processing plant, and the transportation field assembly construction is carried out.

The PTW wallboard 1 is composed of two precast slabs, a gap is arranged between the two precast slabs to form a cavity for pouring concrete in situ, a plurality of temporary fixing feet 2 are fixed at positions, close to the bottom, of two outer sides of the PTW wallboard 1, the temporary fixing feet 2 are L-shaped, bolt holes are formed in vertical plates and bottom plates of the temporary fixing feet 2, the vertical plates of the temporary fixing feet 2 are fixed on the PTW wallboard through wallboard embedded bolts 4, the bottom plates are fixed on the ground, the outer sides of adjacent PTW wallboards 1 are connected with each other at joints through horizontal fixing pieces 3, embedded angle steels 5 are arranged at two sides of the joints and along the joints at the inner sides of the PTW wallboard 1, the angle steels at two sides of the joints of the adjacent PTW wallboards 1 form clamping grooves with openings arranged oppositely, the reinforcing mesh 6 is vertically inserted into the clamping groove, a plastic foam rod 7 is arranged in a seam of the adjacent PTW wallboard 1, and the seam is filled and sealed by a sealant 9 arranged on the outer side of the plastic foam rod 7.

The concrete construction steps are as follows:

firstly, paying off according to a design drawing on site, pre-burying vertical steel bars 4 at the position of a foundation 1 along a PTW wallboard 2, wherein the vertical steel bars 4 partially extend out of the foundation 1, laying two rows of the vertical steel bars 4, the distance between the two rows of the vertical steel bars 4 is smaller than the distance between two precast slabs forming the PTW wallboard 2, a water stop ridge higher than the foundation 1 is laid between the two rows of the vertical steel bars 4, a PVC water stop belt 3 is pre-buried in the middle of the water stop ridge, one part of the PVC water stop belt 3 is pre-buried in the water stop ridge and goes deep into the foundation 1, the other part of the PVC water stop belt extends out of the foundation 1, a leveling gasket 6 is arranged between the bottom of the PTW wallboard 2 and the contact surface of the foundation 1 for leveling, the leveling gasket can be finely adjusted to ensure the verticality of the wall installation, a plurality of temporary fixing ground feet 8 are fixed at the positions, close to the bottom, of the two outer sides of the PTW wallboard 2, the temporary fixing feet 8 are L-shaped, the riser and the bottom plate of interim fixed lower margin all are equipped with the bolt trompil, the riser and the bottom plate of interim fixed lower margin 8 pass through the pre-buried bolt of wallboard and fix respectively at PTW wallboard and subaerial, PTW wallboard 2 is installed back on basis 1, fixes on the basis through interim fixed lower margin 8, and the both sides of PTW wallboard 2 still are provided with interim fixed bearing diagonal 9, and the both ends of interim fixed bearing diagonal 9 support respectively on PTW wallboard 2 and basis 1, make the PTW wall secondary pour the concrete in the cavity and reach reliable and stable before the design strength to ensure follow-up construction operation safety, outside fender thick liquid square timber 11 has been laid to two lateral surfaces in bottom of PTW wallboard 2, outside fender thick liquid square timber 11 is used for sealed and the gap between PTW wallboard 2 and the basis 1.

The concrete construction steps are as follows:

manufacturing a foundation 1, binding vertical steel bars 4 of a wall body in the foundation in sequence, installing PVC water stop belts 3, arranging inner side grout blocking square timbers 10, then pouring to form the foundation 1, wherein the purpose of the inner side grout blocking square timbers 10 is to form a water stop ridge, after the foundation pouring is finished, hoisting the PTW wallboard 2 to a specified position, enabling the vertical steel bars 4 and the PVC water stop belts 3 to be arranged in a cavity of the PTW wallboard 2, installing temporary fixing ground feet 8, installing temporary fixing inclined supports 9, ensuring that the PTW wallboard 2 and the foundation form a whole when secondary grouting is carried out in the PTW wallboard 2 through the vertical steel bars 4, and avoiding influence on stress safety caused by incapability of accurate positioning due to errors and incompact secondary grouting during connection; PVC waterstop 3 forms a complete stagnant water protective screen after the secondary is pour in PTW wallboard 2, reach the effect of inside and outside stagnant water, outside fender thick liquid square timber 11 is fixed to be accomplished the back, the back is to the foot of PTW wallboard 1 operation of being in milk, the grout adopts high-strength no shrink grout material 5, treat after the foot concrete of PTW wallboard 1 reaches design strength, to the cast-in-place secondary concrete 7 of PTW wallboard 1, treat after the concrete strength reaches design strength, demolish outside fender thick liquid square timber 11, interim fixed lower margin 8 and interim fixed bearing diagonal 9.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (6)

1. The utility model provides a PTW wallboard and basic connected node structure which characterized in that: including basis and PTW wallboard, the position that the edge PTW wallboard was laid in the basis is pre-buried to have vertical reinforcing bar, and vertical reinforcing bar part stretches out the basis, and vertical reinforcing bar lays two rows, and the interval of two rows of vertical reinforcing bars is less than the interval between two blocks of prefabricated plates that constitute the PTW wallboard, lay the stagnant water bank that is higher than the basis between two rows of vertical reinforcing bars, the pre-buried PVC waterstop that has in middle part of stagnant water bank, be provided with leveling gasket leveling between the bottom of PTW wallboard and the basic contact surface, be fixed with a plurality of interim fixed lower margins on the position that two outsides of PTW wallboard are close to the bottom, the both sides of PTW wallboard still are provided with interim fixed bearing diagonal support on the basis, outside fender thick liquid square is laid to two lateral surfaces in the bottom of PTW wallboard, and outside fender thick liquid square is used for the gap between sealed and PTW wallboard and the basis.

2. PTW wall panel to foundation connection node structure according to claim 1, wherein: the PTW wallboard is composed of two precast slabs, and a gap is arranged between the two precast slabs to form a cavity for pouring concrete in situ.

3. PTW wall panel to foundation connection node structure according to claim 1, wherein: the temporary fixing anchor is L-shaped, the vertical plate and the bottom plate of the temporary fixing anchor are provided with bolt holes, and the vertical plate and the bottom plate of the temporary fixing anchor are fixed on a PTW (vertical position light) wallboard and the ground through wallboard embedded bolts respectively.

4. PTW wall panel to foundation connection node structure according to claim 1, wherein: one part of the PVC waterstop is embedded in the waterstop ridge and extends into the foundation, and the other part of the PVC waterstop extends out of the foundation.

5. PTW wall panel to foundation connection node structure according to claim 1, wherein: and two ends of the temporary fixing inclined support are respectively fixed on the middle part and the foundation of the PTW wallboard.

6. PTW wall panel to foundation connection node structure according to claim 1, wherein: the thickness of the inner side prefabricated plate and the outer side prefabricated plate is 60-80 mm.

Images