CN211774796U - Cross wall connection department constructional column exempts from formwork structure - Google Patents

Abstract

The utility model discloses a formwork structure is exempted from to cross wall connection department constructional column contains a cross wall connection department constructional column and exempts from formwork structure, contains the cross wall body of building by the building block by laying bricks or stones, connects in the first cross template and the second T shape template of the crossing department of cross wall body, connects in the inside perpendicular muscle of first cross template and second T shape template, connects in the stirrup of perpendicular muscle periphery and connects in the drawknot muscle between wall body and first cross template or second T shape template. The utility model, through the arrangement of the first cross-shaped template and the second T-shaped template, not only serves as a formwork to save construction time, but also avoids the unattractive appearance of the forming constructional column after the formwork is removed; the first cross-shaped template and the second T-shaped template are assembled in a segmented mode and the constructional column is poured in a segmented mode, so that the pouring quality of the constructional column is improved conveniently, and pouring openings of the first cross-shaped template and the second T-shaped template are arranged to facilitate pouring at the top; through the arrangement of the tie bars, the integrity of the poured constructional column and the wall body is favorably enhanced.

Description

A formwork-free structure for structural columns at the connection point of a cross-shaped wall

technical field

The utility model belongs to the field of building construction, and particularly relates to a formwork-free structure for a structural column at a connection point of a cross-shaped wall.

Background technique

There are many traditional structural column construction procedures, usually including structural column reinforcement binding, masonry construction, sticking double-sided tape, formwork, concrete pouring and formwork removal. If the formwork used is of poor quality or has too many turnovers, the formwork shape is not straight enough, the deflection is large, or the corners are missing. However, there are quality defects such as sand leakage and stone leakage. Such quality defects often appear in corner posts, door side posts, etc. During construction, there may be blockage of coarse aggregates at individual positions, and vibrations are not performed according to the correct vibrating method. The tamping resulted in quality problems such as voids and dog holes in the structural columns.

In the construction process, the vibrating and compacting of the concrete often occurs, the surface forming quality is poor after the formwork is removed, and the construction progress of the secondary structure often affects the progress of the interior and exterior plastering. Quality risks such as drum cracking. Therefore, it is necessary to construct the structural column, especially the construction of the structural column in the cross-shaped wall, to ensure that the surface flatness of the structural column and the masonry is small, to avoid the problem of double-sided tape treatment after the construction of the structural column, and to ensure the quality of the sensory molding. Save formwork turnover and improve construction quality.

Utility model content

The utility model provides a formwork-free structure for a structural column at a connection point of a cross-shaped wall, which is used to solve the technology of freeing the formwork of a structural column in a cross-shaped wall, ensuring the pouring quality and strength of the structural column, saving construction period and simple operation. question.

To achieve the above object, the utility model adopts the following technical solutions:

A formwork-free structure for a structural column at a cross-shaped wall connection, comprising a cross-shaped wall built with blocks, a first cross-shaped formwork and a second cross-shaped formwork connected to the intersection of the cross-shaped wall, and connected to the cross-shaped wall. The vertical bars inside the first cross-shaped formwork and the second groove-shaped formwork, the stirrups connected to the outer periphery of the vertical bars, and the tie bars connected between the wall and the first cross-shaped formwork or the second groove-shaped formwork;

The cross-shaped wall includes a transverse wall and a vertical wall vertically connected to the transverse wall;

The vertical bars and stirrups correspond to the steel bars of the vertical bars and stirrups in the structural column, the structural column is a cross-shaped column, and the vertical bars are arranged at least at the corners of the cross-shaped column;

The first cross-shaped formwork is a cross-shaped groove formwork with an open end of a vertical part on one side, and the opening of the vertical part of the first cross-shaped formwork and the vertical wall on one side of the cross-shaped wall form a closed cross-shaped groove; The cross-shaped formwork and the vertical wall on one side of the cross-shaped wall are combined to form a closed mouth-shaped groove. The first cross-shaped formwork and the second concave-shaped formwork are alternately arranged in the vertical direction of the structural column to be poured, and are zigzag or horse-toothed in the vertical direction. ; The length of the transverse plate in the second cross-shaped template is greater than the horizontal or vertical width of the cross in the first cross-shaped template;

The first cross-shaped formwork or the second groove-shaped formwork connected at the top of the construction column to be cast is respectively provided with a first formwork pouring port and a second formwork pouring port.

Further, the first cross-shaped formwork comprises a cross-shaped first formwork body with a vertical opening on one side and a first formwork steel mesh connected to the inside of the first formwork body, and the height of the first formwork body corresponds to the cross-shaped wall. The height of the blocks in the body, its vertical or lateral width is adapted to the thickness of the vertical or horizontal walls in the cross-shaped wall, respectively.

Further, the first cross-shaped formwork further includes a first formwork pouring port disposed on the opposite side of the vertical opening, and the size of the first formwork pouring port is adapted to the size of the inserted pouring pump and the size of the vibrating rod.

Further, the second indented formwork comprises an indented second formwork body and a second formwork steel mesh connected to the inside of the second formwork body, and the height of the second formwork body corresponds to the height of the blocks in the cross-shaped wall. , its width is adapted to the thickness of the vertical wall in the cross-shaped wall; the side of the second formwork body is provided with a second formwork pouring port, the size of which is adapted to the size of the inserted pouring pump and the vibrating rod.

Further, the tie bars are a group of straight bars, one end of the tie bars extends into the vertical bars and the stirrups, and the other end is connected to the upper surface of the block of the cross-shaped wall; the tie bars are at least on the same level. There are two, which are arranged at intervals in the vertical direction; the length of the tie bars going deep into the cross-shaped wall is not less than 500mm.

Further, the vertical bars are arranged in a full length within the design height of the structural column, and the stirrups are arranged at intervals or with local densification.

Further, the first cross-shaped formwork and the second cruciform formwork are installed and poured in sections, the pouring height is adapted to the vibrating height of the vibrating device, and the pouring concrete height is lower than that of the first cross-shaped formwork or the second cross-shaped formwork during pouring. The top height of the indented formwork shall be at least 200mm.

Further, the joints of the first cross-shaped formwork and the second indented formwork are plastered with cement mortar or provided with waterproof sealing strips, and the inner surfaces of the first cross-shaped formwork and the second indented formwork are set to rough surfaces or to be left behind. There is stubble; the first cross-shaped formwork and the second indented formwork are respectively plastered with cement mortar or provided with waterproof sealing strips at the connection of the cross-shaped wall.

Further, it also includes a temporary protection structure, and the temporary protection structure includes a steel rod or a wooden square connected to the inner corner of the cross-shaped wall, and the two ends of the steel rod or the wooden square are fixed by pulling bolts.

The beneficial effects of the present utility model are embodied in:

1) The utility model uses the first cross-shaped formwork and the second sag-shaped formwork as part of the poured structural column, which not only acts as a support form, saves the construction time, but also avoids the formation of the structural column after the formwork is removed. not beautiful;

2) The utility model adopts the segmental assembly of the first cross-shaped formwork and the second sag-shaped formwork and the segmental pouring of the structural column, which is convenient for vibrating and improving the pouring quality of the structural column, and the setting of the two pouring ports is convenient for the top. to pour;

3) The utility model is beneficial to strengthen the integrity of the structural column and the wall after pouring through the arrangement of the tie bars, and the overall safety during pouring is ensured through the arrangement of the temporary protection structure;

In addition, the utility model has the advantages of simple construction process, good sensory molding quality, saving construction period, construction progress of the structural column and masonry can be carried out simultaneously, and the concrete pouring of the structural column in sections greatly improves the compactness of the structural column, thereby ensuring the cross-shaped structural column. strength. Other features and advantages of the present invention will be set forth in the description which follows, and in part will become apparent from the description, or may be learned by practice of the present invention; the main objects and other advantages of the present invention may be obtained from the description given in the description. Specially indicated programs to achieve and obtain.

Description of drawings

Figure 1 is a schematic diagram of the construction of the formwork-free structure of the structural column at the connection of the cross-shaped wall;

Figure 2 is a schematic diagram of the connection structure of the first cross-shaped formwork and the cross-shaped wall;

3 is a schematic structural diagram of a first cross-shaped template;

Fig. 4 is the second indentation template structure schematic diagram;

Fig. 5 is the first cross-shaped formwork structure schematic diagram containing pouring mouth;

Figure 6 is a schematic structural diagram of a second indented formwork with a pouring gate.

Reference numerals: 1-bottom plate, 2-top plate, 3-cross-shaped wall, 31-transverse wall, 32-vertical wall, 4-first cross-shaped formwork, 41-first formwork body, 42-first formwork steel bar Net, 43-first formwork pouring port, 5-second sloping formwork, 51-second formwork body, 52-second formwork steel mesh, 53-second formwork pouring port, 6-vertical reinforcement, 7-stirrup , 8 - tie bar.

Detailed ways

As shown in FIG. 1 , a formwork-free structure for a structural column at a cross-shaped wall connection includes a cross-shaped wall 3 built with blocks, and a first cross-shaped formwork 4 connected to the intersection of the cross-shaped wall 3 and the second cruciform formwork 5, connected to the vertical bars 6 inside the first cruciform formwork 4 and the second cruciform formwork 5, connected to the stirrups 7 on the outer periphery of the vertical bars 6 and connected to the wall and the first cruciform formwork 4 or the tie bars 8 between the second cross-shaped formwork.

In this embodiment, the cross-shaped wall 3 is formed by masonry of concrete blocks, and the cross-shaped wall 3 includes a horizontal wall 31 and a vertical wall 32 vertically connected to the horizontal wall 31; the structural column is arranged on the cross-shaped wall 3 Junction. The cross-shaped wall 3 and the structural column are connected between the bottom plate 1 and the top plate 2, respectively. The vertical bars 6 and the stirrups 7 correspond to the steel design of the vertical bars 6 and the stirrups 7 in the construction column. The structural column is a cross-shaped column, and on the horizontal wall 31, the size of the protrusion is 60mm. The vertical bars 6 are arranged in a square shape at the corners of the structural columns. The vertical bars 6 are arranged throughout the length of the design height of the structural columns, and the stirrups 7 are arranged at intervals or with local densification.

In this embodiment, the first cross-shaped formwork 4 is a cross-shaped groove formwork with an open end portion of the vertical portion, and the vertical opening of the first cross-shaped formwork 4 and the vertical wall 32 in the cross-shaped wall body 3 form a closed cross-shaped groove; The second cross-shaped formwork 5 and the vertical wall 32 in the cross-shaped wall body 3 form a closed mouth-shaped groove. The first cross-shaped formwork 4 and the second indented formwork 5 are alternately arranged in the vertical direction of the structural column to be poured. The length of the transverse plate in the second crawl-shaped formwork 5 is greater than the horizontal or vertical width of the cross in the first cross-shaped formwork 4, thereby facilitating masonry in the vertical direction.

In this embodiment, the tie bars 8 are a group of straight bars, and one end of the tie bars 8 extends into the vertical bars 6 and the stirrups 7, wherein the stirrups 7 are connected by tie bars, and the other end is connected to the cross-shaped wall The upper surface of the block of the body 3; the tie bars 8 are provided with two at the same horizontal height, and are arranged at intervals in the vertical direction. The tie bars 8 are arranged with 2Ф6 horizontal bars along the wall height at intervals of 500mm. When the wall thickness is greater than or equal to 240mm, 3Ф6 tie bars 8 are arranged, and the length of the cross-shaped wall 3 is not less than 500mm.

As shown in FIG. 2 and FIG. 3 , a first cross-shaped formwork 4 is connected at the connection between the horizontal wall 31 and the vertical wall 32 of the cross-shaped wall 3 , and the first cross-shaped formwork 4 is prefabricated by concrete pouring. The first cross-shaped formwork 4 includes a cross-shaped first formwork body 41 with an open vertical portion, and a first formwork steel mesh 42 connected to the inside of the first formwork body 41 . The height of the first formwork body 41 corresponds to the cross-shaped wall body 3 . The height of the middle block and the width of its vertical part are adapted to the thickness of the vertical wall 32 in the cross-shaped wall body 3 .

A second indented formwork 5 is connected at the junction of the transverse wall 31 and the vertical wall 32 of the cross-shaped wall 3. As shown in FIG. 4, the second indented formwork 5 is prefabricated by concrete pouring. 5. It includes a second formwork body 51 in the shape of a groove and a second formwork steel mesh 52 connected to the inside of the second formwork body 51. The height of the second formwork body 51 corresponds to the height of the blocks in the cross-shaped wall body 3, and its width is adapted to The thickness of the vertical wall 32 on one side of the cross-shaped wall 3 .

In this embodiment, the first cross-shaped formwork 4 and the second concave-shaped formwork 5 are sleeved into the bound structural column steel bars from the opening side, and the blocks are staggered between two adjacent layers to form a horse tooth chasm. A cross-shaped template 4 protrudes 60 mm on each side of the second indented template 5 . The first cross-shaped formwork 4 and the second indented formwork 5 are carried out simultaneously with the masonry of the wall. The first cruciform formwork 4 and the second cruciform formwork 5 are installed in sections and poured in sections, the pouring height is adapted to the vibrating height of the vibrating device, and the pouring concrete height is lower than the first cruciform formwork 4 or the second cruciform formwork during pouring. The top height of formwork 5 is at least 200mm.

In this embodiment, the thickness of the first formwork steel mesh 42 and the second formwork steel mesh 52 are both 20mm, the width and height are the same as the width and height of the blocks used in the cross-shaped wall 3, and the length is adapted to the corresponding first cross-shaped formwork 4 or thickness or length of each side of the second indented formwork 5.

As shown in FIGS. 5 and 6 , when the tops of the columns to be poured are connected, the connecting tops are the first cross-shaped formwork 4, and the first cross-shaped formwork 4 also includes a first formwork pouring set on the opposite side of the vertical opening. Port 43, the size of the first formwork pouring port 43 is suitable for inserting the pouring pump and the size of the vibrating rod; the connection top is the second indented formwork 5, then the second formwork body 51 is provided with a second formwork pouring port 53 on the side, and the size is suitable for inserting Pour pump and vibrator dimensions. In this embodiment, a 1000mm×1000mm pouring port is left on the side to facilitate the pouring of the upper part of the concrete. At the same time, the first cross-shaped formwork 4 and the second groove-shaped formwork 5 are beaten while pouring concrete to ensure the concrete density of the structural column.

In this embodiment, the joints of the first cross-shaped formwork 4 and the second indented formwork 5 are plastered with cement mortar or provided with waterproof sealing strips, and the inner surfaces of the first cross-shaped formwork 4 and the second indented formwork 5 are set as Rough surface or stubble; the first cross-shaped formwork 4 and the second indented formwork 5 are respectively plastered with cement mortar at the connection of the cross-shaped wall 3 or provided with waterproof sealing strips. A temporary protection structure is also included, and the temporary protection structure includes a steel rod or a wooden square connected to the front and two inner corners of the cross-shaped wall 3, and the two ends of the steel rod or the wooden square are fixed by pulling bolts.

During construction, the cross-shaped wall body 3 and the edge of the structural column are first laid, and the vertical bars 6 and stirrups 7 of the structural column are bound from the bottom to the top. The first cross-shaped formwork 4 and the second indented formwork 5 are inserted into the outside of the bound structural column reinforcement from the open side, and the first cross-shaped formwork 4 and the second indented formwork 5 are staggered between the adjacent two-layer blocks. Build to form a horse tooth chasm. The first cross-shaped formwork 4 and the second concave-shaped formwork 5 are carried out simultaneously with the masonry of the cross-shaped wall 3 and the placement of the tie bars 8 . When the first cross-shaped formwork 4 and the cross-shaped wall body 3 and the blocks are synchronously built to the half of the wall body, in order to ensure the concrete compactness of the structural column, the lower concrete is poured to the first cross-shaped formwork 4 or the second indented formwork 5 first. The 200mm below the opening is convenient for inserting the vibrating rod to vibrate the concrete. When masonry to the upper part of the cross-shaped wall 3, pour the column concrete from the square hole of the first cross-shaped formwork 4 or the second cross-shaped formwork 5 at the top, and at the same time, while pouring the concrete, tap the sidewall of the formwork, and then build the masonry after the pouring is completed. The last wall. If the cross-shaped wall 3 is too high, in order to ensure the stability when pouring concrete, clamp the inner corners of the front and back of the cross-shaped wall 3 with steel pipes or wooden squares. After the concrete reaches a certain strength, remove the steel pipes or wooden squares. , so as to complete the construction of the structural columns in the cross-shaped wall 3 .

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Replacement should be covered within the protection scope of the present invention.

Claims (9)

1. A formwork-free structure for a structural column at a cross-shaped wall joint, characterized in that it comprises a cross-shaped wall (3) built with blocks, and is connected to a first cross-shaped wall (3) at the intersection. The cross-shaped formwork (4) and the second indented formwork (5) are connected to the vertical ribs (6) inside the first cross-shaped formwork (4) and the second indented formwork (5), and are connected to the vertical ribs (6) The stirrups (7) on the outer periphery and the tie bars (8) connected between the wall and the first cross-shaped formwork (4) or the second indented formwork (5); The cross-shaped wall body (3) comprises a transverse wall (31) and a vertical wall (32) vertically connected to the transverse wall (31); The vertical bars (6) and the stirrups (7) correspond to the reinforcement design of the vertical bars (6) and the stirrups (7) in the structural column, the structural column is a cross-shaped column, and the vertical bars (6) are arranged at least in the cross-shaped column. corner; The first cross-shaped formwork (4) is a cross-shaped groove formwork with an open end of a vertical part on one side, the vertical opening of the first cross-shaped formwork (4) and the vertical wall (32) in the cross-shaped wall (3). ) to form a closed cross-shaped groove; the second cruciform formwork (5) and the vertical wall (32) on one side of the cross-shaped wall (3) form a closed mouth-shaped groove, the first cross-shaped formwork (4) and the second The double-shaped formwork (5) is alternately arranged in the vertical direction of the structural column to be poured, and is in a zigzag shape or a horse's tooth in the vertical direction; the length of the transverse plate in the second-shaped formwork (5) is greater than that of the first cross-shaped formwork (4) The horizontal or vertical width of the middle cross; The first cross-shaped formwork (4) or the second concave-shaped formwork (5) connected at the top of the structural column to be cast is respectively provided with a first formwork pouring port (43) and a second formwork pouring port (53). 2 . The formwork-free structure for a structural column at a cross-shaped wall joint according to claim 1 , wherein the first cross-shaped formwork ( 4 ) comprises a cross-shaped first cross-shaped formwork with an open vertical portion on one side. 3 . A formwork body (41) and a first formwork steel mesh (42) connected to the inside of the first formwork body (41), the height of the first formwork body (41) corresponds to the height of the blocks in the cross-shaped wall (3), Its vertical or horizontal width is adapted to the thickness of the vertical wall (32) or the horizontal wall (31) in the cross-shaped wall (3), respectively. 3. A formwork-free structure for a structural column at a cross-shaped wall joint according to claim 2, wherein the first cross-shaped formwork (4) further comprises a first cross-shaped formwork (4) disposed on the opposite side of the vertical opening. A formwork pouring port (43), the size of the first formwork pouring port (43) is adapted to the size of the inserted pouring pump and the vibrating rod. 4. A cross-shaped wall joint structure column free formwork structure according to claim 1, characterized in that, the second indented formwork (5) comprises an indented second formwork body (51) and the second formwork steel mesh (52) connected to the inside of the second formwork body (51), the height of the second formwork body (51) corresponds to the height of the blocks in the cross-shaped wall (3), and its width is adapted to the cross-shaped wall The thickness of the vertical wall (32) in the body (3); the side of the second formwork body (51) is provided with a second formwork pouring port (53), the size of which is adapted to the inserted pouring pump and the size of the vibrator. 5. A cross-shaped wall joint structure column free formwork structure according to claim 1, characterized in that the tie bars (8) are a group of straight bars, and one end of the tie bars (8) extends Enter the vertical reinforcement (6) and the stirrup (7), and the other end is connected to the upper surface of the block of the cross-shaped wall (3). The length of the tie bars (8) going deep into the cross-shaped wall (3) is not less than 500mm. 6. A formwork-free structure for a structural column at a cross-shaped wall joint according to claim 1, characterized in that the vertical bars (6) are arranged throughout the design height of the structural column, and the stirrups (7) Interval setting or local encryption setting. 7 . The formwork-free structure for a structural column at a cross-shaped wall connection according to claim 1 , wherein the first cross-shaped formwork ( 4 ) and the second indented formwork ( 5 ) are segmented. 8 . Installed and poured in sections, the pouring height is adapted to the vibrating height of the vibrating device, and the height of the concrete poured during pouring is at least 200mm lower than the top height of the first cross-shaped formwork (4) or the second indented formwork (5). 8 . The formwork-free structure for a structural column at a cross-shaped wall connection according to claim 7 , wherein the connection between the first cross-shaped formwork ( 4 ) and the second indented formwork ( 5 ) passes through the joint. 9 . The cement mortar is plastered or provided with waterproof sealing strips, and the inner surfaces of the first cross-shaped formwork (4) and the second indented formwork (5) are set as rough surfaces or with stubble; the first cross-shaped formwork (4) and The second concave-shaped formwork (5) is respectively plastered with cement mortar at the joints of the cross-shaped wall body (3) or provided with waterproof sealing strips. 9. A formwork-free structure for a structural column at a cross-shaped wall connection according to claim 1, characterized in that it also includes a temporary protection structure, and the temporary protection structure includes a connection to the inner corner of the cross-shaped wall (3). The steel rod or wooden square, the two ends of the steel rod or wooden square are fixed by pulling bolts.

Images