CN215167197U - Light thin-wall core column clamping core body fixing structure - Google Patents

Abstract

The utility model belongs to the technical field of light thin-wall presss from both sides the stem fixed, solved current light thin-wall and pressed from both sides the stem core because the installation is unstable, lead to when concrete placement, the core rocks, come-up, kibbling problem easily. The utility model provides a light thin-wall presss from both sides stem core fixed knot and constructs, post steel frame periphery is provided with the concrete form, it has a plurality of cores to pile up in proper order along post steel frame direction of height in the post steel frame, cement props the rod clamp between post steel frame and core, core surface winding cladding has plastic film, wear to be equipped with a plurality of short steel bars on the core, the both ends ligature of short steel bar is on post steel frame, the core middle part is worn to be equipped with the split bolt, it is fixed to stretch out the concrete form respectively at the both ends of split bolt. The utility model discloses simple structure, easily installation have adopted multiple fixed to the core, make core thin wall concrete cross sectional dimension satisfy the requirement all around, demolish the template after, whole light presss from both sides the core post and sees to feel good, does not have quality defects such as the mould that rises.

Description

Light thin-wall core column clamping core body fixing structure

Technical Field

The utility model belongs to the technical field of light thin-wall presss from both sides the stem fixed, concretely relates to light thin-wall presss from both sides stem core fixed knot and constructs.

Background

In the construction process of a building structure, in order to reduce the total load of a building, a light thin-wall core clamping column is usually adopted, and a design institute can determine parameters such as specific position, size and the like of the core clamping column according to calculation; the light thin-wall clamping core column needs to consider economic applicability and a fixing mode method when core body materials are selected.

The existing fixing method of the core body of the light thin-wall sandwich core column is that the core body is sequentially stacked in a reinforcement cage, the core body is limited only by the peripheral reinforcement cage, the core body is instable to mount and is inconvenient to reinforce, when concrete is poured, the core body can be cracked into broken slag, seriously floats upwards and seriously shakes front and back and left and right, the quality of the thin-wall sandwich column is seriously affected, and the quality is not in accordance with the regulations, so that the whole engineering quality is not high; when the core body is brittle and cracked into slag, the poured concrete needs to be cleaned and reworked in time, and time delay and certain economic loss can be caused by cleaning.

Therefore, a light thin-walled clip core fixing structure for preventing the light thin-walled clip core from being crushed, floated and shaken during concrete pouring is in urgent need of research.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems that the core body of the existing light thin-wall core column is easy to shake, float and crush during the concrete pouring due to unstable installation, which can cause serious influence on the quality of the thin-wall core column, and the defects of time delay and economic loss caused by later cleaning, the utility model aims to provide a light thin-wall core column clamping core body fixing structure, before the steel bar inserted bars of the structural column are bound, the core body is fully wound and wrapped by a plastic film, the core body is placed in the center of the column in the longitudinal steel bar binding process, the short steel bars are inserted into the core body after the column hooping is bound, the core body is firmly bound with the front longitudinal steel bars and the rear longitudinal steel bars, meanwhile, the core body is clamped and stabilized by cement support rods at the two sides of the core body, when the template is reinforced, the counter-pulling screw rod is inserted through the core body, so that the light sandwich body is prevented from being smashed, floated and unstably shaken during later concrete pouring.

For realizing above-mentioned purpose, the utility model discloses a following technical scheme, a light thin wall presss from both sides stem core fixed knot constructs, including post steel bar frame, post steel bar frame periphery is provided with the concrete form, it has a plurality of cores to pile up in proper order along post steel bar frame direction of height in the post steel bar frame, the left and right sides of core all is provided with cement and props the rod, cement props the rod and erects on post steel bar frame along the thickness direction of core, cement props the rod clamp between post steel bar frame and core, core surface winding cladding has plastic film, wear to be equipped with a plurality of short reinforcing bars along the thickness direction of core on the core, the both ends ligature of short reinforcing bar is on post steel bar frame, the thickness direction of core is worn to be equipped with tie bolt in the middle part of the core, it is fixed to stretch out the concrete form respectively at tie bolt's both ends.

Preferably, post reinforcing bar frame cross section is square, and post reinforcing bar frame includes that vertical interval sets up indulges the muscle and around the stirrup that indulges the muscle setting, and a plurality of stirrups set up along post reinforcing bar frame direction of height interval, and the both ends of short reinforcement are all ligatured in the junction of indulging muscle and stirrup, and the ligature of being convenient for and connection are more firm.

Preferably, the bottom of the cement spreader bar is provided with a limiting groove, and the contact part of the column steel bar frame and the cement spreader bar is arranged in the limiting groove, so that the cement spreader bar is prevented from sliding forwards and backwards.

Preferably, the concrete formwork encloses a core clamping column pouring space, the core body is arranged in the center of the pouring space, and the section size of the concrete core clamping column and the section size of the concrete around the core body meet requirements.

Preferably, the distance between the core body and the concrete formwork is equal in all directions.

Preferably, the PVC pipe is sleeved on the split bolt between the inner wall of the concrete template and the outer wall of the core body, so that the split bolt 7 can be conveniently taken out in the later period.

Preferably, the horizontal projections of the core bodies in the column steel bar framework are overlapped, the installation is stable, the overall light sandwich column has good appearance and is free from quality defects such as mold expansion and the like.

Preferably, the core is made of extruded polystyrene board, and the characteristics of light weight, hardness and low possibility of breakage are met.

The method comprises the following specific operation steps:

1. the method comprises the steps of selecting a core body made of an extruded polystyrene board which is light in weight and not easy to crack and crush, wrapping the core body with a plastic film completely, tightly and compactly, stacking the core body at the middle position of a column steel bar framework before binding steel bars of the column steel bar framework, and binding the steel bars.

2. The short reinforcing steel bars are penetrated and inserted into the core body, the extending parts of the front side and the rear side are firmly bound with the longitudinal bars and the stirrups, the left side and the right side of the core body are clamped by the cement support rods and are placed on the stirrups, and the number and the positions of the short reinforcing steel bars and the cement support rods are determined according to the specific size of the clamped core column.

3. When the concrete formwork is erected and fixed, the counter-pulling screw rods penetrate through the middle position of the core body, and the specific space size and the number can be locally adjusted.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses closely twine the cladding plastic film with the core surface, avoided the core to appear kibbling problem at the concrete placement in-process, the rethread passes the short reinforcement of core, to drawing bolt and block the cement of core both sides and prop the post, stabilizes the core in post reinforcing bar frame, has avoided the core to rock and come up serious problem all around at the concrete placement in-process.

2. The utility model discloses simple structure, easily installation have adopted multiple fixed to the core, make core thin wall concrete cross sectional dimension satisfy the requirement all around, demolish the template after, whole light presss from both sides the core post and sees to feel good, does not have quality defects such as the mould that rises.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the embodiment of the present invention when the front form is not installed;

FIG. 2 is a schematic structural diagram of the embodiment of the present invention when the template is not installed;

FIG. 3 is a top view of an embodiment of the present invention without the form panel installed;

FIG. 4 is a top view of the embodiment of the present invention after the form has been installed;

FIG. 5 is a schematic structural view of a cement spreader bar according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a plurality of cores stacked after the template is installed in the embodiment of the present invention.

In the figure: 1-column steel frame; 1.1-longitudinal ribs; 1.2-stirrup; 2-concrete form; 3-a core body; 4-a cement spreader bar; 4.1-a limit groove; 5-plastic film; 6-short reinforcing steel bars; 7-split bolts; 8-PVC pipe.

Detailed Description

The technical solutions in the embodiments of the present invention are clear and fully described with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limitations of the present invention, so they have no technical essence, and any modifications of the structures, ratios, or sizes should still fall within the scope of the present invention, which can be covered by the technical disclosure, without affecting the efficacy and the achievable purpose of the present invention.

The utility model provides an embodiment:

referring to fig. 1, 4 and 6, a light thin-wall core column clamping core column core body fixing structure comprises a column steel bar framework 1, a concrete template 2 is arranged on the periphery of the column steel bar framework 1, a plurality of core bodies 3 are sequentially stacked in the column steel bar framework 1 along the height direction of the column steel bar framework 1, horizontal projections of the core bodies 3 in the column steel bar framework are overlapped, cement support rods 4 are arranged on the left side and the right side of each core body 3, the cement support rods 4 are erected on the column steel bar framework 1 along the thickness direction of the core bodies 3, the left side wall and the right side wall of each cement support rod 4 are respectively abutted against the column steel bar framework 1 and the core bodies 3, a plastic film 5 is wound on the surfaces of the core bodies 3, a plurality of short steel bars 6 are arranged on the core bodies 3 in a penetrating mode along the thickness direction of the core bodies 3, split bolts 7 are arranged in the middle of the core bodies 3 in a penetrating mode along the thickness direction of the core bodies 3, two ends of the split bolts 7 respectively extend out of the concrete template 2 for fixing, the PVC pipe 8 is sleeved on the split bolt 7 between the inner wall of the concrete template 2 and the outer wall of the core body 3, so that the split bolt 7 can be conveniently taken out in the later period.

In this embodiment, referring to fig. 2 and 3, a cross section of a column steel frame 1 is square, the column steel frame 1 includes vertical longitudinal ribs 1.1 arranged at intervals vertically and stirrups 1.2 arranged around the longitudinal ribs 1.1, and the stirrups 1.2 are arranged at intervals along a height direction of the column steel frame 1; referring to fig. 5, in order to reinforce the connection between the cement spreader 4 and the column steel bar frame 1 and prevent the cement spreader 4 from sliding back and forth, a limiting groove 4.1 is formed at the bottom of the cement spreader 4, and the contact part between the stirrup 1.2 of the column steel bar frame 1 and the cement spreader 4 is formed in the limiting groove 4.1, so that the antiskid reinforcement effect is achieved, and the cement spreader 4 also satisfies the control of the thickness of the steel bar protective layer; the equal ligature in both ends of short steel bar 6 is indulged muscle 1.1 and stirrup 1.2's junction, and the ligature of being convenient for and connection are more firm, and short steel bar 6 and cement that alternate usefulness prop 4 quantity and can confirm to use quantity and interval according to the structure post cross-section, to quantity and interval that the pulling screw 7 was arranged, according to pressing from both sides the adjustment that stem size can be appropriate, be convenient for better fixed core 1, guarantee that the core is stable, not the come-up.

The core body 3 is made of extruded polystyrene boards, has the characteristics of light weight, hardness and low probability of breakage, is integrally and tightly wrapped in a wrapping mode, and is bound by adhesive tapes, so that breakage and cracking in the process of penetrating short steel bars and pulling bolts are avoided; in order to effectively control the concrete section size and the impression of the thin-wall core clamping column and finally reduce the structural load, in a core column pouring space enclosed by the concrete formworks 2, the core body 3 is arranged at the center of the pouring space, the distances between the core body 3 and the concrete formworks 2 are equal, and the distances are 100mm, so that the integral structure is compact, and the light thin-wall core clamping column after the concrete formworks 2 are removed meets the construction requirements.

The construction method comprises the following specific steps:

1. the method comprises the steps of selecting a core body 3 made of extruded polystyrene board materials which are light in weight and not prone to brittle fracture and crushing, wrapping the core body 3 with a plastic film 5 completely, tightly and tightly packing the core body, stacking the core body 3 in the middle of a column steel bar framework 1 before the steel bars of the column steel bar framework 1 are bound, and then binding the steel bars.

2. The short reinforcing steel bars 6 penetrate and penetrate the core body 3, the front and rear parts of the long part of each side are firmly bound with the longitudinal bars 1.1 and the stirrups 1.2, the left side and the right side of the core body are clamped by the cement support rods 4 and are placed on the stirrups 1.2, and the number and the positions of the short reinforcing steel bars 6 and the cement support rods 4 are determined according to the specific size of the clamped core column.

3. When the concrete formwork 2 is erected and fixed, the oppositely-pulling screw rods 7 penetrate through the middle position of the core body 3, and the specific space size and the number can be locally adjusted.

By adopting the construction method, the fixed core body 3 can not be broken in the concrete pouring process, meanwhile, the core body 3 can be prevented from floating upwards and shaking all around, the cross section size of the concrete sandwich column and the cross section size of the concrete around the core body can be ensured to meet the requirements, and after the concrete template 2 is removed, the whole light sandwich column has good appearance and is free of quality defects such as formwork expansion.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (8)

1. The utility model provides a light thin-wall presss from both sides stem core fixed knot and constructs, includes post steel framework (1), its characterized in that: the concrete formwork (2) is arranged on the periphery of the column steel bar framework (1), a plurality of cores (3) are sequentially stacked in the column steel bar framework (1) along the height direction of the column steel bar framework (1), cement support rods (4) are arranged on the left side and the right side of each core (3), the cement support rods (4) are erected on the column steel bar framework (1) along the thickness direction of the cores (3), the cement support rods (4) are clamped between the column steel bar framework (1) and the cores (3), a plastic film (5) is wound and coated on the surfaces of the cores (3), a plurality of short steel bars (6) are arranged on the cores (3) in a penetrating mode along the thickness direction of the cores (3), the two ends of the short steel bars (6) are bound on the column steel bar framework (1), split bolts (7) are arranged in the middle of the cores (3) in a penetrating mode along the thickness direction of the cores (3), two ends of the split bolt (7) respectively extend out of the concrete template (2) to be fixed.

2. A lightweight thin-walled clip core body fixing structure as claimed in claim 1, wherein: the cross section of the column steel bar framework (1) is square, the column steel bar framework (1) comprises longitudinal bars (1.1) arranged at vertical intervals and stirrups (1.2) arranged around the longitudinal bars (1.1), the stirrups (1.2) are arranged at intervals along the height direction of the column steel bar framework (1), and the two ends of short steel bars (6) are all bound at the joints of the longitudinal bars (1.1) and the stirrups (1.2).

3. A lightweight thin-walled clip core body fixing structure as claimed in claim 1, wherein: the bottom of the cement spreader bar (4) is provided with a limiting groove (4.1), and the contact part of the column steel bar frame (1) and the cement spreader bar (4) is arranged in the limiting groove (4.1).

4. A lightweight thin-walled clip core body fixing structure as claimed in claim 1, wherein: the concrete formwork (2) encloses a sandwich column pouring space, and the core body (3) is arranged in the center of the pouring space.

5. A lightweight thin-walled clip core body fixing structure as claimed in claim 1, wherein: the distance between the core body (3) and the concrete template (2) is equal.

6. A lightweight thin-walled clip core body fixing structure as claimed in claim 1, wherein: the PVC pipe (8) is sleeved on the split bolt (7) between the inner wall of the concrete template (2) and the outer wall of the core body (3).

7. A lightweight thin-walled clip core body fixing structure as claimed in claim 1, wherein: the horizontal projections of the cores (3) in the column steel bar framework (1) are overlapped.

8. A lightweight thin-walled clip core body fixing structure as claimed in claim 1, wherein: the core body (3) is made of extruded polystyrene boards.

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