CN211421478U - Connection structure of prefabricated wallboard of style of calligraphy - Google Patents

Connection structure of prefabricated wallboard of style of calligraphy Download PDF

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Publication number
CN211421478U
CN211421478U CN201921693912.6U CN201921693912U CN211421478U CN 211421478 U CN211421478 U CN 211421478U CN 201921693912 U CN201921693912 U CN 201921693912U CN 211421478 U CN211421478 U CN 211421478U
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prefabricated
wallboard
prefabricated wall
prefabricated wallboard
wall panels
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俞大有
李俊杰
施明哲
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Zhuyou Zhizao Technology Industry Group Co ltd
Zhuyou Zhizao Technology Investment Co ltd
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Zhongmin Zhuyou Technology Industry Co ltd
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Abstract

The utility model discloses a connection structure of prefabricated wallboard of style of calligraphy, first prefabricated wallboard and the prefabricated wallboard of second including coplane concatenation formation style of calligraphy, the concatenation tip of first prefabricated wallboard and the prefabricated wallboard of second has all opened vertical logical long breach, leads to be equipped with the anchor muscle in the long breach, and the logical long breach of first prefabricated wallboard and the prefabricated wallboard of second encloses to close and forms the wallboard keyway, is provided with the spiral stirrup in the wallboard keyway, fills cast in situ concrete between first prefabricated wallboard and the prefabricated wallboard of second and links together the two. In the I-shaped wallboard connecting structure, the side end face of the prefabricated wallboard is provided with the notch, and the anchoring steel bar is arranged in the notch and does not protrude out of the side edge of the prefabricated wallboard, so that the anchoring steel bar is not easy to bend during transportation; the gaps between the two adjacent prefabricated wallboards on the left and right sides are spliced into the wallboard key groove to form a space with two closed sides, and when concrete is poured into the key groove, the edges of the gaps can play a role of a template without erecting the template on a construction site.

Description

Connection structure of prefabricated wallboard of style of calligraphy
Technical Field
The utility model belongs to the technical field of the assembly type structure, specifically speaking, the utility model relates to a connection structure of prefabricated wallboard of style of calligraphy and assembly method thereof.
Background
In the prior art, for a connection structure of a straight prefabricated wall panel in a wall panel structure system, the used connection modes mainly include a dry connection mode and a wet connection mode. When dry-method connection is adopted, adjacent prefabricated wall boards are butted and fixed through pre-buried metal connecting pieces, and in such a connection mode, gaps exist between the adjacent wall boards and can only be covered through later-stage decoration; the decoration material is easy to crack under the condition of expansion with heat and contraction with cold, which causes trouble in later maintenance. There are two main specific ways of wet bonding: 1. the vertical connecting parts of the adjacent prefabricated wall boards are subjected to on-site formwork erecting by adopting aluminum molds or wood molds and are connected by cast-in-place concrete; 2. the concrete construction method comprises the steps of reserving gaps on the side end faces of prefabricated wall boards, embedding soft cable anchor rings in the gaps, enabling the side end faces between the two prefabricated wall boards to form steps matched with each other, inserting vertical through-length steel bars into the two soft cable anchor rings during site construction, and then pouring concrete into the gaps, wherein the specific scheme is shown in patent document CN 206337655U, namely an assembly type concrete wall board and a reinforced soft cable anchor ring connecting structure thereof. There are the following problems: 1. the work load of on-site formwork support is increased by erecting the formwork; 2. when the two wallboards are horizontally spliced, the vertical through-length steel bars are difficult to insert to align to each soft cable during construction, long time is consumed, the shape of the soft cable is unfixed, once the soft cable is deformed, the vertical through-length steel bars are difficult to insert, and the construction efficiency is low; and the stress performance of the cast-in-place belt between adjacent walls is general, and the cast-in-place belt cannot be applied to areas with larger seismic intensity.
Therefore, it is now necessary to develop a new connection structure of a horizontal prefabricated wall panel and an assembly method thereof, so as to achieve the purposes of no need of building a template during on-site construction, improving construction efficiency, realizing reliable connection between wall panels in terms of mechanical properties, and improving earthquake resistance.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the utility model provides a connection structure of a style of calligraphy prefabricated wall panel and assembly method thereof to solve the technical problem that the horizontal splicing structure of prefabricated wall panel in the prior art is unsatisfactory in stress performance, troublesome in construction and the like.
In order to realize the purpose, the utility model discloses the technical scheme who takes does:
connection structure of prefabricated wallboard of style of calligraphy, first prefabricated wallboard and the prefabricated wallboard of second including coplane concatenation formation style of calligraphy, the concatenation tip of first prefabricated wallboard and the prefabricated wallboard of second has all opened vertical logical long breach, be equipped with the anchor muscle in leading to long breach, the logical long breach of first prefabricated wallboard and the prefabricated wallboard of second encloses and closes and form the wallboard keyway, be provided with the spiral stirrup in the wallboard keyway, it links together the two to fill cast in situ concrete between first prefabricated wallboard and the prefabricated wallboard of second.
On the basis of the above embodiment, preferably, a vertical longitudinal rib is further disposed in a space where the anchoring rib and the spiral stirrup intersect.
Preferably, the spiral stirrup and the vertical longitudinal bar vertically penetrate through the wallboard key groove.
Preferably, the notch is a C-shaped groove or a step-shaped notch.
Preferably, the diameter of the helical stirrup is greater than the width of the notch and less than the width of the wallboard keyway.
Preferably, the outer contour of the spiral stirrup is cylindrical or square or polygonal.
Preferably, the spiral stirrup is as high as the first prefabricated wall panel or the second prefabricated wall panel.
Preferably, the anchoring ribs do not extend beyond the edge of the first or second prefabricated wall panel.
Preferably, prefabricated wallboard still includes upper reinforcing bar net piece, lower floor's reinforcing bar net piece and is located the marginal framework of steel reinforcement between the two, marginal framework of steel reinforcement sets up the vertical concatenation department at prefabricated wallboard, marginal framework of steel reinforcement is followed the vertical side of prefabricated wallboard exposes and forms the anchor muscle.
Preferably, the end face where the first prefabricated wall panel and/or the second prefabricated wall panel are spliced with each other is further provided with a reinforcing stirrup, and a part of the reinforcing stirrup is exposed out of the end face where the first prefabricated wall panel and/or the second prefabricated wall panel are spliced with each other.
Preferably, first prefabricated wallboard and/or second prefabricated wallboard are the side fascia, including bearing layer, heat preservation and the exterior trim layer that the layer connects gradually, the anchor muscle is followed the vertical side on bearing layer stretches out and forms the anchor muscle.
The technical scheme of the utility model the beneficial technological effect who gains is:
1. according to the scheme, a plurality of anchoring ribs extend out of the end face of the side edge of the prefabricated wallboard, two prefabricated wallboards are horizontally spliced to form a straight wallboard connecting structure, and the spiral stirrups and the vertical longitudinal ribs are arranged between the two wallboards, so that the on-site construction is convenient; cast-in-place concrete links together anchor muscle, bolt stirrup and vertical longitudinal bar, has realized the reliable connection between two prefabricated wallboards, and the site operation is very convenient, and the efficiency of construction is high.
2. In the I-shaped wallboard connecting structure, the side end face of the prefabricated wallboard is provided with the notch, and the anchoring steel bar is arranged in the notch and does not protrude out of the side edge of the prefabricated wallboard, so that the anchoring steel bar is not easy to bend during transportation; the gaps between the two adjacent prefabricated wallboards on the left and right sides are spliced into the wallboard key groove to form a space with two closed sides, and when concrete is poured into the key groove, the edges of the gaps can play a role of a template without erecting the template on a construction site.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation.
FIG. 1 is a side view of a horizontal prefabricated wall panel connection of example 1;
FIG. 2 is a cross-sectional view of FIG. 1 taken in a horizontal direction of 1-1;
FIG. 3 is a schematic perspective view of a first prefabricated wall panel of example 2;
FIG. 4 is a side view of FIG. 3;
FIG. 5 is a cross-sectional view of a horizontal cross-section of a horizontal prefabricated wall panel connection structure and a reinforcement stirrup in accordance with an embodiment of the present disclosure;
fig. 6 is a horizontal sectional view of the connecting structure of the prefabricated wall panel in a straight line shape in embodiment 3;
fig. 7 is a horizontal sectional view of the connecting structure of the prefabricated wall panel in a straight line shape according to embodiment 4;
reference numerals: 1-first prefabricated wall panel 1, 101-bearing layer 101, 102-insulating layer 102, 103-exterior decoration layer 103, 2-second prefabricated wall panel 2, 3-wall panel key groove 3, 4-anchoring rib 4, 5-C type groove 5, 6-step 6, 7-reinforcing mesh 7, 8-reinforcing stirrup 8, 9-vertical longitudinal rib 9, 10-spiral stirrup 10.
Detailed Description
The present invention will be described in detail with reference to the drawings, which are provided for illustrative and explanatory purposes only and should not be construed as limiting the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.
Example 1
Referring to fig. 1 and 2, the in-line prefabricated wall panel connection structure in the embodiment includes a first prefabricated wall panel 1 and a second prefabricated wall panel 2 which are joined in a coplanar manner in a horizontal direction to form an in-line shape. The terminal surface of first prefabricated wallboard 1 and the mutual concatenation of second prefabricated wallboard 2 all is provided with the breach that vertical direction leads to long, and the breach shape is C type recess 5 in this embodiment. The end face that first prefabricated wallboard 1 and the mutual concatenation of second prefabricated wallboard 2 stretches out and has anchor muscle 4, and anchor muscle 4 is arranged in the recess. The C-shaped grooves 5 of the first prefabricated wall plate 1 and the second prefabricated wall plate 2 are mutually spliced to form a wall plate key groove 3, a spiral stirrup 10 is arranged between the first prefabricated wall plate 1 and the second prefabricated wall plate 2, and the spiral stirrup 10 is arranged in the wall plate key groove 3. Still be provided with 2 piece at least vertical muscle 9 of indulging between first prefabricated wallboard 1 and the prefabricated wallboard 2 of second, vertical muscle 9 of indulging sets up in the space that closes is enclosed with anchor muscle 4 to spiral stirrup 10. The wall plate key grooves 3 are filled with cast-in-place concrete to connect the first prefabricated wall plate 1 and the second prefabricated wall plate 2 together. Set up like this, during cast in situ concrete between two wallboards, the recess edge of first and second prefabricated wallboard 2 just can act as the template, consequently need not to set up the template once more at the job site, has alleviateed the site operation volume, has improved the efficiency of construction. Insert vertical muscle 9 between spiral stirrup 10 and the anchor muscle 4, can play the restraint effect to these two, guarantee the connection between spiral stirrup 10 and the anchor muscle 4, formed the hidden column structure between two wallboards after the cast in situ concrete, strengthened the steadiness and the anti-seismic performance of a style of calligraphy prefabricated wallboard connection structure. The tensile strength and the seismic performance of the wallboard key groove 3 are enhanced.
The outer profile of the spiral stirrup 10 in this embodiment is cylindrical, and the diameter of the spiral stirrup 10 is larger than the width of the C-shaped groove 5 and smaller than the width of the wallboard keyway 3. Double-sided reinforcing steel mesh 7 is pre-buried in first prefabricated wallboard 1 and the prefabricated wallboard 2 of second, and the terminal of double-sided reinforcing steel mesh 7 exposes and becomes anchor muscle 4. The width of the anchoring ribs 4 does not exceed the groove edge of the first prefabricated wall panel 1 or the second prefabricated wall panel 2. In other embodiments, spiral stirrup 10 may be configured in a mating shape, such as square or polygonal, depending on the shape of wallboard keyway 3.
First prefabricated wall panel 1 and second prefabricated wall panel 2 in this embodiment are interior wall panels, and the tip of anchor muscle 4 does not exceed the outward flange of prefabricated wall panel. Upper reinforcing mesh 7, lower floor's reinforcing mesh 7 and the marginal framework of steel reinforcement that is located between the two in first and second prefabricated wallboard 2, marginal framework of steel reinforcement sets up in the vertical concatenation department of prefabricated wallboard, and marginal framework of steel reinforcement exposes from the vertical side of first and second prefabricated wallboard 2 and forms anchor muscle 4, and anchor muscle 4 sets up in the C type breach. Referring to fig. 5, in other embodiments, the anchoring ribs 4 may be a plurality of horizontal reinforcing stirrups 8 embedded in the side of the prefabricated wall panel, and the tail ends of the reinforcing stirrups 8 are exposed in the C-shaped grooves 5. Can strengthen the concrete intensity of prefabricated wallboard groove like this, and can strengthen the intensity of two prefabricated wallboard junctions, improve wallboard connection structure's anti-seismic performance.
The construction method of the I-shaped prefabricated wall panel connecting structure in the embodiment comprises the following steps:
s1, hoisting and positioning the first prefabricated wall plate 1, hoisting and positioning the second prefabricated wall plate 2, and splicing the C-shaped groove 5 of the second prefabricated wall plate 2 and the C-shaped groove 5 of the first prefabricated wall plate 1 relatively to form a wall plate key groove 3;
s2, inserting the first and second vertical longitudinal ribs 9 into the anchoring ribs 4 on the end faces of the first and second prefabricated wall panels 2, then rotating the spiral stirrup 10 from the top side to the bottom side of the wall panel key groove 3, and simultaneously keeping the first and second vertical longitudinal ribs 9 arranged inside the spiral stirrup 10;
and S3, pouring cast-in-place concrete into the wall plate key groove 3, and curing and forming.
This scheme sets up C type recess 5 through the vertical tip at two wallboards, and two C type recesses 5 relatively constitute wallboard keyway 3, link together the anchor muscle 4 of two prefabricated wallboards through spiral stirrup 10 and vertical muscle 9, and the connection between two prefabricated wallboards is realized to the cast in situ concrete of pouring again. The cast-in-place wallboard key groove 3 is equivalent to a hidden column, and two prefabricated wallboards are connected very firmly, so that the straight-line wallboard connecting structure has good stress performance, and has stronger tensile and shock resistance compared with the soft cable connection in the prior art; and the construction is very simple and convenient, the field wet operation is little, the spiral stirrup 10 is very convenient and simple to place, and the problems that the soft cable is deformed and is difficult to insert when the soft cable is used for connection in the prior art are solved.
Example 2
Referring to the schematic diagrams 3 and 4 (only one prefabricated wall panel is shown), the prefabricated wall panel in this embodiment is an external wall panel, and sequentially includes an external decoration layer 103, an insulating layer 102 and a bearing layer 101 from outside to inside, a groove is formed in an end surface of a vertical side of the bearing layer 101, 5 reinforcing stirrups 8 are arranged on the end surface of the vertical side of the prefabricated wall panel, one part of the reinforcing stirrups 8 is anchored in the prefabricated wall panel, and the other part of the reinforcing stirrups 8 extends into the groove to form the anchoring ribs 4. When two prefabricated wallboards are connected, a vertical longitudinal rib 9 is inserted into the anchoring rib 4 of each prefabricated wallboard. In this embodiment, in order to realize the continuity of reinforcing bar in the prefabricated wallboard between the upper and lower floor, vertical longitudinal reinforcement 9 between two prefabricated wallboards of lower floor upwards stretches into in the wallboard keyway 3 between two prefabricated wallboards on this layer, has guaranteed atress continuity and wholeness between the prefabricated wallboard of upper and lower floor like this. The spiral stirrup 10 inserted between the two prefabricated wallboards is equal in height to the prefabricated wallboards, and the outer contour of the spiral stirrup is cylindrical.
The construction method of the connection structure of the straight-line-shaped prefabricated wall panel in the embodiment basically has the same basic steps as those in the embodiment 1, and the difference is that: s2, rotating the spiral stirrups 10 from the top side to the bottom side of the wallboard key groove 3, and then inserting the first vertical longitudinal ribs 9 and the second vertical longitudinal ribs 9 into spaces between the anchoring ribs 4 and the spiral stirrups 10 on the end faces of the two prefabricated wallboards; other steps are not described herein.
Through site construction, in step S2, the spiral stirrup 10 is screwed into the wallboard key groove 3, and then the vertical longitudinal rib 9 is inserted; or the vertical longitudinal rib 9 is inserted firstly, and the spiral stirrup 10 is screwed in, so that the difficulty difference of the two operations is small, and the two operations are simple and convenient. Compared with the prior art that the vertical longitudinal ribs 9 are inserted into the overlapped parts of the soft cables extending out of the side end faces of the two prefabricated wall boards, the problem that the vertical longitudinal ribs 9 are difficult to insert due to deformation of the soft cables is solved. After 3 with spiral stirrup 10 screw in wallboard keyway, will form certain overlap between spiral stirrup 10 and the anchor muscle 4, because the hardness of spiral stirrup 10 and anchor muscle 4 is bigger, it is more convenient when consequently inserting vertical muscle 9 that indulges, does not have the operational obstacle that alternates, is showing and is improving the efficiency of construction.
Example 3
Referring to fig. 6, the in-line prefabricated wall panel connection structure in the present embodiment includes a first prefabricated wall panel 1 and a second prefabricated wall panel 2, wherein vertical side end faces of the first and second prefabricated wall panels 2 are provided with through-long step 6-shaped notches. Two-sided reinforcing bar net piece 7 is provided with in two prefabricated wallboards, and the side end face of reinforcing bar net piece 7 exposes from 6 form breachs of step and forms anchor muscle 4. The protruding position of two steps 6 form breachs of first prefabricated wallboard 1 and the prefabricated wallboard of second 2 forms wallboard keyway 3 relatively, sets up two vertical muscle 9 of indulging in the anchor muscle 4 of wallboard keyway 3 respectively, then with spiral stirrup 10 rotatory to the bottom side from the top side of wallboard keyway 3, sets up the template in opening one side of wallboard keyway 3, concreting at last fills up wallboard keyway 3 to link together first and second prefabricated wallboard 2.
The construction method of the connection structure of the straight-line-shaped prefabricated wall panel in the embodiment has the same steps as those in embodiment 1, and the difference is that: before pouring the concrete in the wall plate key groove 3, a template on one side needs to be erected.
Example 4
Referring to fig. 7, the first prefabricated wall panel 1 and the second prefabricated wall panel 2 in this embodiment are external wall panels, and include a bearing layer 101, an insulating layer 102 and an external decoration layer 103, which are sequentially layered from inside to outside; the bearing layer 101 is provided with a double-faced reinforcing mesh 7, and the vertical side end face of the bearing layer 101 is provided with a through-long groove. In this embodiment, an n-shaped open stirrup is pre-embedded in a side end surface of the bearing layer 101, wherein the open end is pre-embedded in the precast concrete of the bearing layer 101, and the arc end extends into the groove and protrudes out of the edge of the bearing layer 101. The vertical side end faces of the external decoration layer 103 and the heat insulation layer 102 in the first prefabricated wall board 1 are flush with the bearing layer 101, and the vertical side end faces of the external decoration layer 103 and the heat insulation layer 102 in the second prefabricated wall board 2 are wider than the bearing layer 101. The vertical side end faces, opposite to the bearing layers 101, of the two prefabricated wall boards are provided with grooves, and the width of the anchoring ribs 4 exceeds the edges of the grooves. The anchoring ribs 4 of the first prefabricated wall board 1 and the second prefabricated wall board 2 are opposite, the outer decoration layer 103 and the heat insulation layer 102 of the first prefabricated wall board 1 are connected with the outer decoration layer 103 and the heat insulation layer 102 of the second prefabricated wall board 2, and a wall board key groove 3 is formed between the grooves of the two bearing layers 101. Be provided with the outline in the wallboard keyway 3 and be columniform spiral stirrup 10, be provided with vertical the indulging between the anchor muscle 4 of spiral stirrup 10 and two prefabricated wallboards respectively. The concrete in the cast wall panel keyway 3 joins the first and second prefabricated wall panels 2 together. The construction method in this embodiment is the same as that in embodiment 3, and will not be described herein.
In this embodiment, the exterior layer 103 and the insulating layer 102 serve as the exterior formwork of the wallboard key slot 3, so that only the interior formwork needs to be erected, and the construction is relatively simple.
In this embodiment, the anchoring ribs 4 of the bearing layer 101 exceed the groove edge of the bearing layer 101, so that the space of the wallboard key groove 3 formed when two prefabricated wallboards are connected is larger. In other embodiments, the anchoring ribs 4 can also be arranged to protrude from the edges of the grooves when the outer decoration layer 103 and the insulation layer 102 are flush with the bearing layer 101, or in the inner wall board; therefore, concrete is poured after templates are erected on the two sides of the wallboard key groove 3.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (6)

1. Connection structure of prefabricated wallboard of a style of calligraphy, its characterized in that, first prefabricated wallboard and the prefabricated wallboard of second including coplane concatenation formation style of calligraphy, the concatenation tip of first prefabricated wallboard and the prefabricated wallboard of second has all opened vertical logical long breach, be equipped with the anchor muscle in leading to long breach, the logical long breach of first prefabricated wallboard and the prefabricated wallboard of second encloses and closes and form the wallboard keyway, be provided with the spiral stirrup in the wallboard keyway, it links together the two to fill cast in situ concrete between first prefabricated wallboard and the prefabricated wallboard of second.
2. The connecting structure of the in-line prefabricated wall panel according to claim 1, wherein vertical longitudinal ribs are further arranged in the space where the anchoring ribs and the spiral stirrups intersect.
3. The connecting structure of prefabricated wall panels of the type I according to claim 2, wherein said spiral stirrups and said vertical longitudinal reinforcements vertically penetrate through said wall panel keyways.
4. The connecting structure of in-line prefabricated wall panels according to claim 3, wherein the anchoring ribs do not exceed the edges of the first or second prefabricated wall panels.
5. The connecting structure of the in-line prefabricated wall panels as claimed in any one of claims 1 to 4, wherein the prefabricated wall panels further comprise an upper layer of reinforcing mesh, a lower layer of reinforcing mesh and a marginal reinforcing cage therebetween, the marginal reinforcing cage is arranged at the vertical splicing position of the prefabricated wall panels, and the marginal reinforcing cage is exposed from the vertical side surfaces of the prefabricated wall panels to form the anchoring ribs.
6. The connection structure of in-line prefabricated wall panels according to claim 5, wherein the end faces of the first prefabricated wall panels and/or the second prefabricated wall panels, which are spliced with each other, are further provided with reinforcing stirrups, and a part of the reinforcing stirrups are exposed out of the end faces of the first prefabricated wall panels and/or the second prefabricated wall panels, which are spliced with each other.
CN201921693912.6U 2019-10-09 2019-10-09 Connection structure of prefabricated wallboard of style of calligraphy Active CN211421478U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114703975A (en) * 2019-03-21 2022-07-05 巴马丹拿建筑及工程师有限公司 Connecting structure between prefabricated reinforced concrete structures and reinforcing steel bar configuration method for reinforced concrete structures

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114703975A (en) * 2019-03-21 2022-07-05 巴马丹拿建筑及工程师有限公司 Connecting structure between prefabricated reinforced concrete structures and reinforcing steel bar configuration method for reinforced concrete structures

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