CN212336400U

CN212336400U - Prefabricated wallboard and wall structure thereof

Info

Publication number: CN212336400U
Application number: CN202020385172.6U
Authority: CN
Inventors: 岳晓鹏; 麻峰瑞
Original assignee: Hebei University of Technology
Current assignee: Hebei University of Technology
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2021-01-12
Anticipated expiration: 2030-03-24

Abstract

The utility model provides a prefabricated wallboard and wall structure thereof, one of them one end of upper and lower both ends of wallboard is equipped with a pre-buried muscle to the wall body is outer perpendicularly, and the other end corresponds and is equipped with the grout cavity, and the degree of depth of grout cavity suits with the length of pre-buried muscle. The utility model provides a prefabricated wallboard and inside grout cavity of establishing of staying thereof more are of value to the cavity in the field installation and the butt joint of reserving the muscle, eliminate because of the phenomenon of the tangent bar that traditional slotted hole position dislocation produced or installation difficulty, strengthened the inside grout volume of hookup location simultaneously, increased the joint strength between two components, strengthened the structural reliability between building element, also avoided simultaneously because of the tiny not real phenomenon of grout of traditional slotted hole, greatly reduced potential safety hazard. The method can be widely applied to the construction of the assembled wall body.

Description

Prefabricated wallboard and wall structure thereof

Technical Field

The utility model relates to an assembly type structure technical field, especially an assembly type prefabricated building component.

Background

The fabricated building is a building form in which building components, such as walls, plates, columns, beams and the like, are prefabricated in a factory, maintained and accepted, and transported to a construction site by a trailer for installation and construction. The fabricated building has the characteristics of standardized design of building components, industrial processing and fabricated construction, is favorable for reducing the problems of environmental pollution and the like caused by construction, greatly shortens the construction period and saves manpower and material resources.

In building construction, the load-bearing walls are mainly subjected to vertical loads transmitted from the upper building elements and horizontal loads due to wind and earthquake action. In the prefabricated concrete structure, the vertical connection of the building wall boards mainly adopts a grouting sleeve connection technology, namely, a grouting sleeve is embedded in a prefabricated wall board, and after the wall board is installed in place on site, grouting materials are injected into the sleeve to realize the connection of steel bars between the wall boards. In practical application, however, the grouting sleeve technology has many disadvantages, and firstly, the prefabricated concrete wallboard has great difficulty in butting the sleeve and the reserved steel bar during construction and installation; if the reserved ribs and the sleeves are staggered, the connection strength between the building components is greatly reduced by cutting off the reserved ribs, and the safety coefficient of the whole building structure is reduced; thirdly, the grouting sleeve is small in size, so that the phenomenon of incomplete filling is easy to occur in the grouting process, and great potential safety hazards are left.

In the field construction operation, the hoisting bolt is placed on the upper surface of the wallboard in the past, and the wallboard is climbed manually, so that the connection of the bolt and the installation and disassembly operation of the lifting hook are carried out, the construction safety risk of workers is increased to a great extent, and the construction speed of wallboard hoisting is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prefabricated wall panel and a wall structure thereof, which aims to solve the technical problems of complex butt construction and low efficiency of the traditional assembled wall; and the problems of improving the hoisting efficiency and the reliability of the wallboard are solved.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a prefabricated wallboard, one of them one end of upper and lower both ends of wallboard is equipped with a pre-buried muscle to the wall body is outer perpendicularly, and the other end corresponds and is equipped with the grout cavity, and the degree of depth of grout cavity suits with the length of pre-buried muscle.

The length of the grouting cavity is 1/3-2/3 of the length of the wallboard, the thickness of the grouting cavity is 1/3-2/3 of the thickness of the wallboard, and the depth of the grouting cavity is 30-80 cm.

The grouting cavity is positioned inside the end part of the wallboard, and the outer end of the grouting cavity is flush with the end face of the wallboard and is open or closed; when the grouting cavity is closed, the outer end face of the grouting cavity is correspondingly provided with an opening penetrating through the embedded rib; the trompil size need not be accurate with traditional trench, as long as guarantee that pre-buried muscle passes can, can be rectangular groove or diameter and be far greater than the round hole of pre-buried muscle diameter.

When the grouting cavity is positioned at the lower end of the wallboard and the embedded ribs are positioned at the upper end of the wallboard, a grouting opening and a grout overflow hole are correspondingly formed in the position, corresponding to the grouting cavity, of the wallboard; or the grouting cavity is positioned at the upper end of the wallboard, and the embedded ribs are positioned at the lower end of the wallboard.

The grouting opening is at least one, is located 15-20 cm above the grouting cavity, is arranged in the middle or is uniformly arranged at intervals, is communicated with the grouting cavity through a grouting channel, and is stopped at the top surface of the grouting cavity; the grout overflow holes are at least two, are positioned at the two ends of the upper part of the single side wall of the grouting cavity and are communicated with the grouting cavity.

The wallboard is also provided with a hanging connection assembly; the hanging assembly comprises a horizontally pre-buried connecting piece which is pre-buried in the wallboard, two ends of the pre-buried connecting piece are detachably connected with one or two of a plugging joint, a hanging bolt and a fastener, and the outer end of the hanging bolt is connected with a bolt lantern ring in a pin mode.

The embedded connecting piece is cylindrical or barrel-shaped, and two ports are provided with internal threads; one end of the plugging joint is in threaded connection or insertion connection with the embedded connecting piece, and the other end of the plugging joint is a cylindrical handheld section; one end of the hoisting bolt is in threaded connection with the embedded connecting piece, and the other end of the hoisting bolt is cylindrical and is provided with a connecting through hole penetrating through the pin shaft; the fastener includes circular limiting plate, be located limiting plate one side perpendicularly and with pre-buried connecting piece threaded connection's screw thread section, be located the centre gripping section of the polygon bar or the polygon cylindricality of limiting plate opposite side, make things convenient for the later stage operation.

The embedded connecting pieces are uniformly arranged along the length direction of the wallboard at intervals, the distance from the embedded connecting pieces to the side edge of the wallboard is 1/3-1/5 wallboard length, the distance from the embedded connecting pieces to the bottom end of the wallboard is 1.5-2 m, and the distance from the end parts of the embedded connecting pieces to the board surface of the wallboard is 1-2 cm; the embedded connecting piece is connected on the internal framework of the wall board in a penetrating way, and the upper surface of the embedded connecting piece is respectively provided with a through hole for penetrating the transverse and longitudinal steel bars.

A wall structure applying the prefabricated wall board comprises the wall boards which are sequentially assembled and connected in the vertical direction; the embedded ribs of one wall board are correspondingly inserted into the grouting cavity of the other adjacent wall body and are connected with concrete in the grouting cavity through cast-in-place.

The wall plate is also connected with a temporary support; the end part of the temporary support is provided with a connecting snap ring and is connected with a corresponding embedded connecting piece on the wallboard through a fastening piece; one end of the connecting clamp ring is connected with the temporary supporting rod, the other end of the connecting clamp ring is provided with an opening penetrating through a threaded section of the fastener, and the diameter of the opening is smaller than that of the limiting plate.

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

the utility model provides a prefabricated wallboard and inside grout cavity of establishing of staying thereof more are of value to the cavity in the field installation and the butt joint of reserving the muscle, eliminate because of the phenomenon of the tangent bar that traditional slotted hole position dislocation produced or installation difficulty, strengthened the inside grout volume of hookup location simultaneously, increased the joint strength between two components, strengthened the structural reliability between building element, also avoided simultaneously because of the tiny not real phenomenon of grout of traditional slotted hole, greatly reduced potential safety hazard.

The utility model discloses a hanging beam is provided with a plurality of hoist and mount lantern rings among the hoist and mount subassembly, can make hoist and mount position, hoist and mount wallboard size have more optional leeway, and is more nimble. Meanwhile, the hoisting cable is ensured to be vertically downward, so that the hoisting cable is reasonably stressed. The distance between the hoisting cables on the front and the back of the wallboard is close to the thickness of the wallboard, so that the cables do not have damage and other influences on the upper edge of the wallboard in the hoisting process.

The utility model discloses set up hoisting bolt to the side of the wallboard, set up the personnel that highly make ann tear hoist and mount couple open, stand the operating surface position below can more convenient operation for construction speed has guaranteed operating personnel's safety.

The utility model discloses a cooperation of hanging subassembly is used, can realize a hole multi-purpose, and the inside pre-buried connecting piece of wallboard not only is used as the connecting hole of hoist and mount bolt when hoist and mount, still supports the fixed orifices of connecting piece temporarily as the wallboard simultaneously, has saved the operation of making a hole on the wallboard on the scene, has avoided the destruction to the wallboard for the construction progress.

The utility model discloses but wide application in the construction of assembled wall body.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is the structure schematic diagram of the prefabricated wall panel of the utility model without grouting holes and grout overflow holes.

Fig. 2 is the utility model discloses prefabricated wallboard sets up the structural schematic diagram of grout mouthful and excessive thick liquid hole.

Figure 3 is the structure schematic diagram of the open grout cavity of prefabricated wall panel of the utility model.

Figure 4 is the utility model discloses the closed grout cavity's of prefabricated wallboard structure schematic diagram.

Figure 5 is the utility model discloses prefabricated wallboard suspension joint subassembly's structural schematic.

Fig. 6 is a schematic structural diagram of the wall structure of the present invention.

Figure 7 is the structure schematic diagram of the assembly joint between the wallboards of the utility model.

Fig. 8 is a schematic structural view of the temporarily supported assembly joint of the present invention.

Reference numerals: the concrete structure comprises the following components, by weight, 1-wall board, 2-embedded ribs, 3-grouting cavities, 4-first grout overflow holes, 5-second grout overflow holes, 6-grouting ports, 7-hanging components, 71-embedded connectors, 72-plugging connectors, 73-hanging bolts, 74-bolt lantern rings, 75-fasteners, 751-threaded sections, 752-circular limiting plates, 753-clamping sections, 8-temporary supports, 81-supporting rods, 82-connecting snap rings, 9-hoisting components, 91-hoisting beams, 92-hoisting lantern rings and 93-hoisting cables.

Detailed Description

In the embodiment, as shown in fig. 2, in the prefabricated wall panel, one of the upper and lower ends of the wall panel 1 is vertically provided with a pre-embedded rib 2 towards the outside of the wall body, the other end is correspondingly provided with a grouting cavity 3, and the depth of the grouting cavity 3 is adapted to the length of the pre-embedded rib 2; and a grouting opening 6 and a grout overflow hole are correspondingly formed in the position, corresponding to the grouting cavity 3, of the wallboard.

The length of the grouting cavity 3 is 1/3-2/3 of the length of the wallboard, the thickness of the grouting cavity is 1/3-2/3 of the thickness of the wallboard, and the depth of the grouting cavity is 30-80 mm. The grouting cavity 3 is positioned inside the end part of the wallboard, and the outer end of the grouting cavity is flush with the end face of the wallboard and is open or closed; when the grouting cavity is closed, the outer end face of the grouting cavity 3 is correspondingly provided with an opening penetrating through the embedded rib 2.

In the embodiment, an open type is adopted, as shown in fig. 3, so that the insertion of the embedded ribs is facilitated, in other embodiments, a closed type can be selected, as shown in fig. 4, the requirement on the hole opening precision is not high, and the insertion of the embedded ribs cannot be influenced.

When the grouting cavity is positioned at the lower end of the wallboard and the embedded ribs are positioned at the upper end of the wallboard, at least one grouting opening 6 is positioned 15-20 cm above the grouting cavity 3 and is arranged in the middle or at even intervals, the grouting opening 6 is communicated with the grouting cavity through a grouting channel, and the grouting channel is stopped at the top surface of the grouting cavity; the number of the grout overflow holes is at least two, the grout overflow holes are positioned at the two ends of the upper part of the single side wall of the grouting cavity 3 and are communicated with the grouting cavity.

In the embodiment, the condition that the grouting cavity is positioned at the lower end of the wall board and the embedded ribs are positioned at the upper end of the wall board is selected, and a grouting opening and two grout overflow holes are arranged at the same time, wherein as shown in the figure, a first grout overflow hole 4 and a second grout overflow hole 5 are respectively positioned at the two ends of the upper part of the single side wall of the grouting cavity 3; in order to facilitate the operation, in other embodiments, the grouting cavity may be located at the upper end of the wall board, and the embedded ribs may be located at the lower end of the wall board, as shown in fig. 1, at this time, concrete may be directly poured in the grouting cavity without setting the grouting opening 6 and the grout overflow hole, and the upper wall board may be hoisted and the embedded ribs may be inserted before the concrete is not solidified.

Referring to fig. 3 and 4, a hanging assembly 7 is further arranged on the wall plate 1; referring to fig. 5, the hanging assembly 7 includes a pre-embedded connector 71 horizontally pre-embedded in the wall panel, two ends of the pre-embedded connector 71 are detachably connected with one or two of a plugging joint 72, a hanging bolt 73 and a fastener 75, wherein the outer end of the hanging bolt 73 is pinned with a bolt collar 74.

The embedded connecting piece 71 is cylindrical or barrel-shaped, and two ports are provided with internal threads; one end of the plugging joint 72 is in threaded connection or insertion connection with the embedded connecting piece 71, and the other end of the plugging joint is a cylindrical handheld section; one end of the hoisting bolt 73 is in threaded connection with the embedded connecting piece 71, and the other end of the hoisting bolt is cylindrical and is provided with a connecting through hole penetrating through the pin shaft; the fastener 75 comprises a circular limiting plate 752, a thread section 751 which is vertically positioned on one side of the limiting plate and is in threaded connection with the embedded connecting piece 71, and a clamping section 753 which is positioned on the other side of the limiting plate and is in a polygonal bar shape or a polygonal column shape, so that the operation during connection is facilitated.

In addition, when the embedded connecting piece 71 is cylindrical, the embedded connecting piece 71 can be a cylinder or a square cylinder, the embedded connecting piece 71 is connected on an internal framework of the wallboard in a penetrating way, and the upper surface of the embedded connecting piece 71 is respectively provided with a through hole for penetrating through a transverse steel bar and a longitudinal steel bar. Become pre-buried connecting piece 71 into a part of framework of steel reinforcement, can guarantee holistic joint strength, still be convenient for pre-buried connecting piece 71's connection fixed simultaneously, in addition, still realized the effect of location connection, make things convenient for the reinforcement ligature location.

The embedded connecting piece 71 is evenly arranged along the length direction of the wallboard at intervals, is 1/3-1/5 of the length of the wallboard away from the side edge of the wallboard, is 1.5-2 m away from the bottom end of the wallboard, and is 1-2 cm away from the end part of the wallboard.

Referring to fig. 6, a wall structure using the prefabricated wall panels includes vertically sequentially connected wall panels 1; referring to fig. 7, the embedded rib 2 of one wall board is correspondingly inserted into the grouting cavity 3 of another adjacent wall body and is connected with concrete in the grouting cavity through cast-in-place.

Referring to fig. 8, a temporary support 8 is further connected to the wall panel 1; the end part of the temporary support 8 is provided with a connecting snap ring 82 and is connected with a corresponding embedded connecting piece on the wallboard through a fastener 75; one end of the connecting clamping ring is connected with the supporting rod 81, the other end of the connecting clamping ring is provided with an opening penetrating through the threaded section of the fastener, and the diameter of the opening is smaller than that of the limiting plate.

The construction method of the wall structure comprises the following specific steps:

step one, hoisting machinery hoists the hoisting assembly 9.

And step two, removing and collecting the plugging joints 72 at the two ends of the embedded connecting piece 71 on the wall board 1.

And step three, connecting the hoisting bolt 73 with the embedded connecting piece 71 of the wallboard 1.

And step four, uniformly coating cement mortar on the top surface of the lower-layer wallboard.

And step five, connecting a lifting hook of the hoisting assembly 9 with a bolt lantern ring 74 at the outer end of the hoisting bolt 73 for hoisting.

And step six, after aligning the grouting cavity 3 of the lifted wallboard 1 with the pre-buried rib 2 reserved on the lower wallboard, falling and accurately positioning.

And step seven, the hoisting bolts 73 are taken down one by one and replaced by the fasteners 75 of the temporary wallboard supports 8, the temporary supports 8 are connected between the embedded connecting pieces and the working face of the wallboard, and the temporary connection and fixation of the wallboard are completed.

And step eight, grouting the grouting cavity 3, inputting grouting through the grouting opening 6, overflowing from the grout overflow hole after the grouting cavity 3 is full of grout, judging that grouting in the grouting cavity is finished, and plugging the grout overflow hole.

And step nine, continuing grouting input from the grouting opening 6 until the grouting opening overflows from the grouting opening 6, plugging the grouting opening, and finishing grouting construction.

And step ten, curing the concrete, and removing the temporary support 8 after curing is finished.

Step eleven, plugging the grooves at the pre-buried connecting pieces of the wall panel 1, and completing the hoisting construction of the single-layer wall panel 1.

And step twelve, repeating the steps one to eleven to finish the hoisting construction of the wall body structure.

The hoisting assembly 9 in the first step comprises a hoisting beam 91 connected with hoisting machinery, a hoisting sleeve ring 92 arranged on the hoisting beam 91 and a hoisting cable 93 hung on the hoisting sleeve ring 92, and the other end of the hoisting cable 93 is connected with a bolt sleeve ring 74 of the wallboard; the hanging beam 91 is made of profile steel, the hoisting lantern rings 92 are arranged on two sides of the lower surface of the hanging beam 91 in pairs in the width direction, and at least eight pairs of the hoisting lantern rings 92 are arranged and evenly distributed at intervals along the length direction of the hanging beam; the spacing between each pair of lifting collars 92 is no less than the thickness of the wall panel.

And in the fourth step, the thickness of the cement mortar is not less than 8mm, and the strength is not lower than M5.

The strength grade of the concrete poured into the grouting cavity 3 is higher than that of the wallboard concrete by one grade, and the number of the pre-embedded ribs is not less than that of the reinforcing bars of the reinforcing steel frame in the wallboard.

Claims

1. A prefabricated wall panel, its characterized in that:

one end of the upper end and the lower end of the wallboard (1) is perpendicularly provided with a pre-buried rib (2) towards the outside of the wall body, the other end of the wallboard is correspondingly provided with a grouting cavity (3), and the depth of the grouting cavity (3) is adapted to the length of the pre-buried rib (2).

2. The prefabricated wall panel of claim 1, wherein:

the length of the grouting cavity (3) is 1/3-2/3 of the length of the wallboard, the thickness of the grouting cavity is 1/3-2/3 of the thickness of the wallboard, and the depth of the grouting cavity is 30-80 cm.

3. The prefabricated wall panel of claim 1, wherein:

the grouting cavity (3) is positioned inside the end part of the wallboard, and the outer end of the grouting cavity is flush with the end face of the wallboard and is open or closed;

when the grouting cavity is closed, the outer end face of the grouting cavity (3) is correspondingly provided with an opening penetrating through the embedded rib (2).

4. The prefabricated wall panel of claim 1, wherein:

when the grouting cavity is positioned at the lower end of the wallboard and the embedded ribs are positioned at the upper end of the wallboard, a grouting opening (6) and a grout overflow hole are correspondingly formed in the position, corresponding to the grouting cavity (3), of the wallboard;

or the grouting cavity is positioned at the upper end of the wallboard, and the embedded ribs are positioned at the lower end of the wallboard.

5. The prefabricated wall panel of claim 4, wherein:

the grouting openings (6) are at least one, are located 15-20 cm above the grouting cavity (3), are arranged in the middle or are uniformly spaced, and are communicated with the grouting cavity through grouting channels which are stopped at the top surface of the grouting cavity;

the number of the grout overflow holes is at least two, the grout overflow holes are positioned at two ends of the upper part of the single side wall of the grouting cavity (3) and are communicated with the grouting cavity.

6. The prefabricated wall panel of any one of claims 1 to 5, wherein:

the wallboard (1) is also provided with a hanging component (7);

hang and connect subassembly (7) including level pre-buried embedded connecting piece (71) in the wallboard, pre-buried connecting piece (71) both ends can be dismantled and be connected with one or two of shutoff joint (72), hang and connect bolt (73), fastener (75), wherein hang and connect bolt (73) outer end pin joint and have bolt lantern ring (74).

7. The prefabricated wall panel of claim 6, wherein:

the embedded connecting piece (71) is cylindrical or barrel-shaped, and two ports are provided with internal threads;

one end of the plugging joint (72) is in threaded connection or insertion connection with the embedded connecting piece (71), and the other end of the plugging joint is a cylindrical handheld section;

one end of the hoisting bolt (73) is in threaded connection with the embedded connecting piece (71), and the other end of the hoisting bolt is cylindrical and is provided with a connecting through hole penetrating through the pin shaft;

the fastener (75) comprises a circular limiting plate (752), a thread section (751) which is vertically positioned on one side of the limiting plate and is in threaded connection with the embedded connecting piece (71), and a clamping section (753) which is positioned on the other side of the limiting plate and is in a polygonal bar shape or a polygonal column shape.

8. The prefabricated wall panel of claim 7, wherein:

the embedded connecting pieces (71) are uniformly arranged along the length direction of the wallboard at intervals, the distance from the embedded connecting pieces to the side edge of the wallboard is 1/3-1/5 wallboard length, the distance from the embedded connecting pieces to the bottom end of the wallboard is 1.5-2 m, and the distance from the end parts of the embedded connecting pieces to the board surface of the wallboard is 1-2 cm;

the embedded connecting piece (71) is connected on the internal framework of the wallboard in a penetrating way, and the upper surface of the embedded connecting piece is respectively provided with a through hole for penetrating the transverse and longitudinal steel bars.

9. A wall structure applying prefabricated wall panels according to any one of claims 1 to 8, comprising vertically successive assembly-connected wall panels (1), characterized in that:

the embedded rib (2) of one wall board is correspondingly inserted into the grouting cavity (3) of the other adjacent wall body and is connected with concrete in the grouting cavity through cast-in-place.

10. The wall structure of claim 9, wherein:

the wall plate (1) is also connected with a temporary support (8);

the end part of the temporary support (8) is provided with a connecting snap ring and is connected with a corresponding embedded connecting piece on the wallboard through a fastening piece (75);

one end of the connecting clamp ring is connected with the temporary supporting rod, the other end of the connecting clamp ring is provided with an opening penetrating through a threaded section of the fastener, and the diameter of the opening is smaller than that of the limiting plate.