CN114856181A

CN114856181A - Building pouring formwork support and construction method thereof

Info

Publication number: CN114856181A
Application number: CN202210649531.8A
Authority: CN
Inventors: 张二成
Original assignee: Bengbu Fanda Construction Engineering Co ltd
Current assignee: Bengbu Fanda Construction Engineering Co ltd
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-08-05

Abstract

The invention relates to the technical field of post-cast strip casting templates, in particular to a building casting template support and a construction method thereof, wherein the building casting template support comprises the following steps: the basement outer wall, the middle part of basement outer wall has outer wall post-cast strip; the prefabricated splice plate is attached to the middle of the outer side wall of the basement outer wall and covers one side of the outer wall post-cast strip, the side face of the fixed baffle is fixedly connected with an L-shaped elastic metal plate, the side face of the positioning convex plate is fixedly connected with a wedge-shaped block, and the end part of the positioning convex plate is matched with the inner side of the elastic metal plate; the beneficial effects are that: through being provided with a plurality of prefabricated splice plates, assemble the concatenation through location flange, fixed stop and elasticity metal sheet between two adjacent prefabricated splice plates, be provided with on the prefabricated splice plate and be used for being connected with inboard template the split bolt, prefabricated splice plate adopts the assembled concatenation, can install according to the on-the-spot demand, and the work progress is more nimble, and application scope is more extensive.

Description

Building pouring formwork support and construction method thereof

Technical Field

The invention relates to the technical field of post-cast strip casting formworks, in particular to a building casting formwork support and a construction method thereof.

Background

The basement outer wall at the joint of the main building and the basement is kept in the settlement post-pouring zone according to design requirements, the basement outer wall is usually waterproof and backfilled according to project items and needs to be constructed before the settlement post-pouring zone is sealed, the outer side of the basement retaining wall needs to be sealed before construction is waterproof, and when the settlement post-pouring zone is poured, a single-side formwork is needed to be adopted on the inner side of the retaining wall.

In the prior art, a general construction blueprint requires construction according to '10 j 301-underground building waterproof structure P50', and is used at a post-cast strip:

1) MU20 autoclaved sand-lime solid bricks are used as brickworks and are built by Ma10 cement mortar;

2) adopt reinforced concrete to pour, the split bolt that still can reserve for the template is consolidated is designed to the individuality and avoids the unable fixed or difficult fixed scheduling problem of basement outer wall inboard unilateral formwork.

However, at present, although the problem of blocking the outer side of the basement retaining wall in advance at the settlement post-cast strip of the outer wall of the basement can be realized by the method, the method still has the following problems:

1) the masonry method can cause the difficulty of formwork erection at the single side of the inner side of the retaining wall to be large, and the masonry is easy to deform and damage when backfilling soil because the masonry has relatively weak rigidity;

2) the reinforced concrete is adopted for construction, the pouring process is complex, the fast and easy closing-up net position is easy to deform and leak slurry in the pouring concrete vibrating process, and the quality is not easy to guarantee.

Therefore, the invention provides a building pouring template support and a construction method thereof, which are used for solving the problems.

Disclosure of Invention

The invention aims to provide a building pouring template support and a construction method thereof, and aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a building pouring formwork support, said formwork support comprising:

the basement outer wall, the middle part of basement outer wall has outer wall post-cast strip;

the prefabricated splicing plate is attached to the middle of the outer side wall of the basement outer wall and covers one side of the outer wall post-pouring strip, a split bolt is fixedly connected to the prefabricated splicing plate, the upper end and the lower end of the back face of the prefabricated splicing plate are fixedly connected with a positioning convex plate and a fixing baffle respectively, the side face of the fixing baffle is fixedly connected with an L-shaped elastic metal plate, the side face of the positioning convex plate is fixedly connected with a wedge block, the end portion of the positioning convex plate is matched with the inner side of the elastic metal plate, and the wedge block is matched with the clamping groove; and

the inner side template is attached to the middle of the inner side wall of the basement outer wall and covers the other side of the outer wall post-cast strip, and the inner side template is fixedly connected with the prefabricated splicing plates through split bolts.

Preferably, the prefabricated splice plate comprises the reinforcement frame and the concrete poured outside the reinforcement frame, the reinforcement frame comprises a plurality of vertical steel bars and a plurality of transverse steel bars, and the reinforcement frame is integrally shaped like a Chinese character 'jing'.

Preferably, the split bolts are provided with a plurality of, and a plurality of split bolts are the rectangular array and distribute, the bottom fixedly connected with quarter bend anchor of split bolt, the inside of quarter bend anchor inlay at prefabricated splice plate and with the reinforcement frame lock.

Preferably, location flange and fixed stop all are provided with two, two location flange and two fixed stop are located the four corners department at the prefabricated splice plate back respectively, and location flange and fixed stop correspond, and the tip of location flange is provided with the direction chamfer, and location flange and fixed stop all laminate with the inside wall in outer wall post-cast strip.

Preferably, the edges of the two sides of the prefabricated splice plate are respectively provided with a slope toe with a forty-five degree angle, and rubber pads are bonded on the two sides of the back of the prefabricated splice plate.

Preferably, a sealing rubber strip is bonded on the upper end face of each prefabricated splice plate, the cross section of each sealing rubber strip is in a semi-arc shape, and a sealing groove matched with the sealing rubber strip is formed in the lower end face of each prefabricated splice plate.

Preferably, the prefabricated splice plates and the inner side templates are all provided with a plurality of prefabricated splice plates and a plurality of inner side templates in one-to-one correspondence, the prefabricated splice plates and the inner side templates are in equidistant linear distribution in the length direction of the outer wall post-cast strip, positioning holes corresponding to the split bolts are formed in the surface of the inner side templates, and reinforcing ribs are fixedly connected to the surface of the inner side templates.

Preferably, the bottom fixed mounting of basement outer wall is on the bottom plate surface, the one end of bottom plate is provided with the bottom plate and chooses outward, and the bottom plate chooses outward and the bottom plate is located the inside and outside both sides of basement outer wall respectively, the upper surface middle part fixedly connected with backing plate that the bottom plate was chosen outward.

A construction method realized according to the basement retaining wall settlement post-cast strip formwork support specifically comprises the following steps:

placing a base plate in the middle of the upper surface of the cantilever of the bottom plate, ensuring that the side edge of the base plate is attached to the surface of the basement outer wall, and fixing the base plate by adopting polymer bonding mortar;

sequentially attaching a plurality of prefabricated splicing plates to the middle part of the outer wall of the basement from bottom to top and covering one side of the post-cast strip of the outer wall, wherein the two adjacent prefabricated splicing plates keep fixed relative positions through the matching of a positioning convex plate and an elastic metal plate so as to avoid dislocation and mutual separation, and the two adjacent prefabricated splicing plates are kept sealed through a sealing rubber strip and a sealing groove;

and step three, sequentially attaching a plurality of inner side templates to the middle part of the inner side wall of the basement outer wall from bottom to top and covering the inner side wall of the outer wall post-cast strip, ensuring that the split bolts penetrate through the positioning holes, tightening and fixing the prefabricated splice plates and the inner side templates by using nuts, and finally pouring concrete into the inner cavity of the outer wall post-cast strip.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the plurality of prefabricated splice plates are arranged, two adjacent prefabricated splice plates are assembled and spliced through the positioning convex plate, the fixed baffle plate and the elastic metal plate, and the split bolts are arranged on the prefabricated splice plates and are used for being connected with the inner side template, so that concrete pouring can be carried out in the post-cast strip of the outer wall, on one hand, the structural strength is high, the deformation and the damage are not easy to occur, on the other hand, the pouring process is simple, the poured quality is higher, the prefabricated splice plates are assembled and spliced, the installation can be carried out according to the field requirement, the construction process is more flexible, and the application range is wider;

2. according to the invention, the L-shaped elastic metal plate is fixed on the fixed baffle, the clamping groove is formed in the elastic metal plate, and the wedge-shaped block is fixedly connected to the side surface of the positioning convex plate, so that after the positioning convex plate is inserted into the inner side of the elastic metal plate, on one hand, dislocation between two adjacent prefabricated splicing plates can be avoided, and on the other hand, the wedge-shaped block can be inserted into the inner cavity of the clamping groove, so that mutual separation between two adjacent prefabricated splicing plates is avoided, the sealing effect between two adjacent prefabricated splicing plates is improved, and the condition of slurry leakage of the post-cast strip of the outer wall during casting is avoided.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a perspective view of another perspective of the overall structure of the present invention;

FIG. 3 is a schematic view of the interior of the prefabricated splice plate structure of the present invention;

FIG. 4 is a perspective view of the inner form of the present invention;

FIG. 5 is a schematic diagram of the splicing of two prefabricated splice plates according to the present invention;

FIG. 6 is an enlarged view of the structure at A in FIG. 5 according to the present invention.

In the figure: 1. a basement exterior wall; 2. post-pouring a belt on the outer wall; 3. prefabricating a splice plate; 4. a reinforcing frame; 41. vertical reinforcing steel bars; 42. transverse reinforcing steel bars; 5. oppositely pulling the bolts; 6. positioning the convex plate; 61. guiding and chamfering; 7. fixing a baffle plate; 8. a wedge block; 9. an elastic metal plate; 10. a card slot; 11. sealing rubber strips; 12. a sealing groove; 13. a rubber pad; 14. right angle bend anchors; 15. an inner side template; 16. positioning holes; 17. reinforcing ribs; 18. a base plate; 19. carrying out outward picking on the bottom plate; 20. a backing plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some embodiments of the invention and are not limiting of the invention, and that all other embodiments obtained by those of ordinary skill in the art without the exercise of inventive faculty are within the scope of the invention.

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

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one skilled in the art that the embodiments may be practiced without these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1 to 6, the present invention provides a technical solution: a building pouring formwork support, the formwork support comprising: basement outer wall 1, prefabricated splice plate 3 and inboard template 15.

The bottom of the basement outer wall 1 is fixedly arranged on the surface of a bottom plate 18, one end of the bottom plate 18 is provided with a bottom plate cantilever 19, the bottom plate cantilever 19 and the bottom plate 18 are respectively positioned on the inner side and the outer side of the basement outer wall 1, the middle part of the upper surface of the bottom plate cantilever 19 is fixedly connected with a base plate 20, and the middle part of the basement outer wall 1 is provided with an outer wall post-pouring belt 2;

specifically, prefabricated splice plate 3 comprises reinforcement frame 4 and the concrete of pouring in the reinforcement frame 4 outside, and reinforcement frame 4 includes a plurality of vertical reinforcing bars 41 and a plurality of horizontal reinforcing bar 42, and reinforcement frame 4 is whole to be "well" font, and the setting of reinforcement frame 4 is used for strengthening the holistic intensity of prefabricated splice plate 3 to prefabricated splice plate 3 can carry out prefabricated, with the time that reduces the site operation cost.

Secondly, prefabricated splice plate 3 laminates in the lateral wall middle part of basement outer wall 1 and covers the one side of watering area 2 behind the outer wall, fixedly connected with split bolt 5 on prefabricated splice plate 3, split bolt 5 is provided with a plurality ofly, and a plurality of split bolts 5 are the rectangular array and distribute, the bottom fixedly connected with quarter bend anchor 14 of split bolt 5, quarter bend anchor 14 is inlayed in prefabricated splice plate 3's inside and with 4 locks of reinforcement frame, consequently quarter bend anchor 14 can be fixed in prefabricated splice plate 3's inside, thereby ensure that split bolt 5 can fix the surface at prefabricated splice plate 3.

Further, the upper end and the lower end of the back of the prefabricated splice plate 3 are respectively fixedly connected with a positioning convex plate 6 and a fixed baffle 7, the number of the positioning convex plates 6 and the number of the fixed baffle 7 are two, the two positioning convex plates 6 and the two fixed baffles 7 are respectively positioned at four corners of the back of the prefabricated splice plate 3, the positioning convex plates 6 correspond to the fixed baffles 7, the end parts of the positioning convex plates 6 are provided with guide chamfers 61, the positioning convex plates 6 and the fixed baffles 7 are both attached to the inner side wall of the outer wall post-cast strip 2, therefore, after the prefabricated splice plate 3 covers one side of the outer wall post-cast strip 2, the positioning convex plates 6 and the fixed baffles 7 can be attached to the inner side wall of the outer wall post-cast strip 2, so as to prevent the prefabricated splice plate 3 from moving horizontally, the side surface of the fixed baffle 7 is fixedly connected with an L-shaped elastic metal plate 9, the side surface of the positioning convex plates 6 is fixedly connected with a wedge-shaped block 8, the end parts of the positioning convex plates 6 are adapted to the inner side of the elastic metal plate 9, the wedge block 8 is matched with the clamping groove 10, as shown in fig. 5 and 6, the two adjacent prefabricated splicing plates 3 are close to each other in the vertical direction, at the moment, the end part of the positioning convex plate 6 can be inserted into the inner side of the elastic metal plate 9, and the wedge block 8 can cross the end part of the elastic metal plate 9 and be inserted into the inner cavity of the clamping groove 10 because the elastic metal plate 9 can elastically deform to a certain degree, so that the two adjacent prefabricated splicing plates 3 can be kept relatively fixed, and separation is avoided;

in addition, the edges of two sides of the prefabricated splice plate 3 are provided with slope feet which are forty-five degrees, the design can weaken the tensile stress at the joints of the prefabricated splice plate 3 and the surface of the basement outer wall 1, thereby being beneficial to improving the construction quality of the waterproof coiled material on the surface of the basement outer wall 1, the rubber pads 13 are bonded on two sides of the back of the prefabricated splice plate 3, the arrangement of the rubber pads 13 is used for further improving the sealing performance of the prefabricated splice plate 3 and the surface of the basement outer wall 1, the sealing rubber strips 11 are bonded on the upper end surface of the prefabricated splice plate 3, the cross sections of the sealing rubber strips 11 are in a semi-arc shape, the sealing grooves 12 matched with the sealing rubber strips 11 are formed in the lower end surface of the prefabricated splice plate 3, and the arrangement of the sealing rubber strips 11 and the sealing grooves 12 is used for improving the sealing effect when the two adjacent prefabricated splice plates 3 are assembled and spliced with each other.

Secondly, inboard template 15 laminating is at the inside wall middle part of basement outer wall 1 and covers the opposite side at outer wall post-cast strip 2, through split bolt 5 fixed connection between inboard template 15 and the prefabricated splice plate 3, prefabricated splice plate 3 and inboard template 15 all are provided with a plurality ofly, and a plurality of prefabricated splice plates 3 and a plurality of inboard template 15 one-to-one, prefabricated splice plate 3 and inboard template 15 all are equidistant linear distribution in the length direction of outer wall post-cast strip 2, locating hole 16 with split bolt 5 corresponding is seted up on the surface of inboard template 15, inboard template 15's fixed surface is connected with strengthening rib 17, consequently inboard template 15 and prefabricated splice plate 3 can compress tightly respectively in the inside and outside both sides of basement outer wall 1, thereby ensure that the inner chamber of outer wall post-cast strip 2 can be used for concreting.

placing a base plate 20 in the middle of the upper surface of a base plate cantilever 19, ensuring that the side edge of the base plate 20 is attached to the surface of the basement outer wall 1, and fixing the base plate 20 by adopting polymer bonding mortar;

secondly, sequentially attaching a plurality of prefabricated splicing plates 3 to the middle part of the outer side wall of the basement outer wall 1 from bottom to top and covering one side of the outer wall post-pouring strip 2, keeping the relative positions of two adjacent prefabricated splicing plates 3 fixed through the matching of a positioning convex plate 6 and an elastic metal plate 9 so as to avoid dislocation and mutual separation, and keeping sealing between two adjacent prefabricated splicing plates 3 through a sealing rubber strip 11 and a sealing groove 12;

and step three, sequentially attaching a plurality of inner side templates 15 to the middle of the inner side wall of the basement outer wall 1 from bottom to top and covering the inner side of the outer wall post-cast strip 2, ensuring that the split bolts 5 penetrate through the positioning holes 16, tightening and fixing the prefabricated splice plates 3 and the inner side templates 15 by using nuts, and finally pouring concrete into the inner cavity of the outer wall post-cast strip 2.

When the device is used, the prefabricated splice plates 3 are firstly covered on one side of the outer wall post-cast strip 2, the positioning convex plates 6 and the fixed baffle 7 on the prefabricated splice plates 3 are ensured to be attached to the inner side wall of the outer wall post-cast strip 2, so that the prefabricated splice plates 3 are prevented from sliding along the surface of the basement outer wall 1 in the horizontal direction, a plurality of prefabricated splice plates 3 are sequentially installed from bottom to top in the same way, two adjacent prefabricated splice plates 3 are kept relatively fixed through the positioning convex plates 6 and the elastic metal plates 9, and two adjacent prefabricated splice plates 3 are kept well sealed through the sealing rubber strips 11;

and then covering the inner side template 15 on the other side of the outer wall post-cast strip 2, respectively clamping the inner side template 15 and the prefabricated splice plate 3 on the inner side and the outer side of the basement outer wall 1 through the split bolts 5 and the nuts, and finally pouring concrete into the inner cavity of the outer wall post-cast strip 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a formwork support is pour to building which characterized in that: the formwork support includes:

the basement structure comprises a basement outer wall (1), wherein an outer wall post-pouring belt (2) is arranged in the middle of the basement outer wall (1);

the prefabricated splicing plate (3) is attached to the middle of the outer side wall of the basement outer wall (1) and covers one side of the outer wall post-pouring belt (2), a split bolt (5) is fixedly connected to the prefabricated splicing plate (3), the upper end and the lower end of the back face of the prefabricated splicing plate (3) are respectively fixedly connected with a positioning convex plate (6) and a fixed baffle (7), the side face of the fixed baffle (7) is fixedly connected with an L-shaped elastic metal plate (9), the side face of the positioning convex plate (6) is fixedly connected with a wedge block (8), the end part of the positioning convex plate (6) is matched with the inner side of the elastic metal plate (9), and the wedge block (8) is matched with a clamping groove (10); and

the inner side formwork (15) is attached to the middle of the inner side wall of the basement outer wall (1) and covers the other side of the outer wall post-cast strip (2), and the inner side formwork (15) is fixedly connected with the prefabricated splicing plate (3) through split bolts (5).

2. The building pouring template bracket according to claim 1, wherein: the prefabricated splicing plates (3) are composed of a reinforcing frame (4) and concrete poured on the outer side of the reinforcing frame (4), the reinforcing frame (4) comprises a plurality of vertical reinforcing steel bars (41) and a plurality of transverse reinforcing steel bars (42), and the reinforcing frame (4) is integrally shaped like a Chinese character 'jing'.

3. The cast in building template bracket of claim 2, wherein: the split bolt (5) is provided with a plurality of, and a plurality of split bolts (5) are the rectangle array and distribute, the bottom fixedly connected with quarter bend anchor (14) of split bolt (5), quarter bend anchor (14) are inlayed in the inside of prefabricated splice plate (3) and with reinforcement frame (4) lock.

4. The cast in building template bracket of claim 3, wherein: location flange (6) and fixed stop (7) all are provided with two, two location flange (6) and two fixed stop (7) are located the four corners department at prefabricated splice plate (3) back respectively, and location flange (6) and fixed stop (7) correspond, and the tip of location flange (6) is provided with direction chamfer (61), and location flange (6) and fixed stop (7) all laminate with the inside wall of outer wall post-cast strip (2).

5. The cast in building template bracket of claim 4, wherein: the edges of two sides of the prefabricated splice plate (3) are respectively provided with a slope toe with a forty-five degree angle, and rubber pads (13) are respectively bonded on two sides of the back of the prefabricated splice plate (3).

6. The cast in building template bracket of claim 5, wherein: the upper end face of the prefabricated splice plate (3) is bonded with a sealing rubber strip (11), the cross section of the sealing rubber strip (11) is in a semi-arc shape, and the lower end face of the prefabricated splice plate (3) is provided with a sealing groove (12) matched with the sealing rubber strip (11).

7. The cast in building template bracket of claim 6, wherein: prefabricated splice plate (3) and inboard template (15) all are provided with a plurality ofly, and a plurality of prefabricated splice plates (3) and a plurality of inboard template (15) one-to-one, prefabricated splice plate (3) and inboard template (15) all are equidistant linear distribution in the length direction of outer wall post-cast strip (2), locating hole (16) that correspond with split bolt (5) are seted up on the surface of inboard template (15), and the fixed surface of inboard template (15) is connected with strengthening rib (17).

8. The cast in building template bracket of claim 7, wherein: the bottom fixed mounting of basement outer wall (1) is on bottom plate (18) surface, the one end of bottom plate (18) is provided with the bottom plate and chooses (19) outward, and chooses (19) outward and bottom plate (18) are located the inside and outside both sides of basement outer wall (1) respectively, the upper surface middle part fixedly connected with backing plate (20) of choosing (19) outward of bottom plate.

9. A construction method implemented by the basement retaining wall post-settlement casting strip formwork support according to any one of claims 1-8, characterized in that: the method specifically comprises the following steps:

placing a base plate (20) in the middle of the upper surface of a base plate cantilever (19), ensuring that the side edge of the base plate (20) is attached to the surface of the basement outer wall (1), and fixing the base plate (20) by adopting polymer bonding mortar;

sequentially attaching a plurality of prefabricated splicing plates (3) to the middle of the outer side wall of the basement outer wall (1) from bottom to top and covering one side of the outer wall post-cast strip (2), keeping the relative positions of two adjacent prefabricated splicing plates (3) fixed through the matching of a positioning convex plate (6) and an elastic metal plate (9) so as to avoid dislocation and mutual separation, and keeping sealing between two adjacent prefabricated splicing plates (3) through a sealing rubber strip (11) and a sealing groove (12);

and step three, sequentially attaching a plurality of inner side templates (15) to the middle of the inner side wall of the basement outer wall (1) from bottom to top and covering the inner side of the outer wall post-cast strip (2), ensuring that the split bolts (5) penetrate through the positioning holes (16), tensioning and fixing the prefabricated splice plates (3) and the inner side templates (15) by using nuts, and finally pouring concrete into the inner cavity of the outer wall post-cast strip (2).