CN218952788U - Flush type high-durability concrete dismantling-free formwork connected through bolts - Google Patents

Abstract

The utility model discloses a flush type bolted high-durability concrete dismantling-free template, which comprises a dismantling-free template, wherein the dismantling-free template comprises a first template, a second template and a connecting assembly, an intermediate concrete layer is arranged between the first template and the second template, the first template and the second template are respectively composed of at least four precast slabs, transverse joints of two adjacent precast slabs are respectively connected by the connecting assembly, vertical joints are respectively bonded by structural adhesive, the precast slabs comprise a reinforcement framework and a sleeve, the sleeve is fixed in the reinforcement framework, and the reinforcement framework is provided with the concrete layer.

Description

Flush type high-durability concrete dismantling-free formwork connected through bolts

Technical Field

The utility model relates to the technical field of civil engineering, in particular to a flush type bolted high-durability concrete disassembly-free template.

Background

Along with the continuous promotion of the urban process, the environment protection is also improved, the traditional construction mode has the defects of great environmental hazard, long construction period and resource waste, and the requirements of modern construction cannot be met, the current solution mode is to adopt assembly type construction, the template is necessary construction equipment in concrete engineering construction, the quality of the template directly influences the construction progress and the construction cost, and the template can be divided into a detachable permanent template and a movable template according to the construction mode; the permanent template is a special component specially designed for a cast-in-place concrete structure and prefabricated in advance, the template is not dismantled, pouring is directly carried out, the template and concrete are combined to form an integral structure, the stress performance and the rigidity are greatly improved, meanwhile, the effect of protecting a concrete wall body can be achieved, due to the diversity of service environments of engineering structures, when the engineering structures encounter severe environments, concrete materials are corroded by various corrosion media, the concrete structure is damaged, and the strength is reduced. The material performance is fast declined, the service life of the engineering structure is far less than the design expectation, and the structural safety is seriously influenced.

Therefore, there is a need for a tamper-free form that can effectively reduce the cost of the form, increase the durability of the concrete in complex environments, and is simple in construction, easy to connect, and easy to replace.

Disclosure of Invention

The utility model aims to provide a flush type bolted high-durability concrete disassembly-free template, which is connected with a connecting cover plate through high-strength bolts to ensure reliable connection, and a paint layer is arranged on the inner side of the disassembly-free template, so that cement can be prevented from adhering to a precast slab, the precast slab with problems can be replaced conveniently, and the problems mentioned by background materials are solved.

In order to achieve the above purpose, the utility model provides a flush type bolted high-durability concrete disassembly-free formwork, which comprises a disassembly-free formwork, wherein the disassembly-free formwork comprises a first formwork, a second formwork and a connecting assembly, an intermediate concrete layer is arranged between the first formwork and the second formwork, the first formwork and the second formwork are respectively composed of at least four precast slabs, transverse joints of two adjacent precast slabs are respectively connected with the connecting assembly, vertical joints are respectively bonded with structural adhesive, the precast slabs comprise a steel bar framework and a sleeve, the sleeve is fixed in the steel bar framework, and the steel bar framework is internally provided with the concrete layer.

Preferably, the sleeve is of a hollow structure penetrating through the prefabricated plate.

Preferably, the connecting assembly comprises a high-strength bolt, a nut and a connecting cover plate, wherein the high-strength bolt sequentially penetrates through the connecting cover plate on one side, the sleeve and the connecting cover plate on the other side, and is fixed through the nut.

Preferably, the intermediate concrete layer and the concrete layer are basalt fiber concrete.

Preferably, a paint layer is disposed on one side of the first and second templates, which is close to the intermediate concrete layer.

Preferably, the outer sides of the joints of the precast slabs are provided with sealant.

Therefore, the flush type bolt-connected high-durability concrete dismantling-free formwork adopting the structure has the following advantages:

(1) The sleeve is arranged in the precast slab, the sleeve is tied on the reinforcing steel bars and fixed in the precast slab by cement, so that the precast slab is firm and stable, and the sleeve is reliable in connection.

(2) When the prefabricated plates are connected, high-strength bolts penetrate through the connecting cover plate on one side and penetrate through the connecting cover plate on the sleeve and the connecting cover plate on the other side, the connecting cover plates are fixed through nuts, the connecting positions are clamped by the two layers of connecting cover plates, and a plurality of bolts can be arranged on one connecting cover plate to fix the connecting cover plates for stable connection.

(3) The template is provided with a coating layer on one side close to the middle concrete layer, the coating can isolate the adhesion between the concrete and the precast slab, and when the precast slab is problematic, the precast slab with the problem is convenient to detach and replace.

(4) All joints of the prefabricated plate are sealed, so that other substances are prevented from entering the inner side of the prefabricated plate, and the internal concrete structure is damaged.

(5) The prefabricated plate can be manufactured in advance in a factory, and after the prefabricated member is transported to an installation site, the prefabricated member can be assembled without wet operation, so that the site installation time is saved.

The technical scheme of the utility model is further described in detail through the drawings and the embodiments.

Drawings

FIG. 1 is a front perspective view of a portion of a flush bolted high durability concrete form of the present utility model, when not assembled;

FIG. 2 is a front perspective view of a portion of a flush bolted high durability concrete form of the present utility model assembled;

FIG. 3 is a side view of the location of a flush bolted high durability concrete tamper-evident form of the present utility model;

FIG. 4 is a schematic illustration of a connecting deck in an embodiment of a flush bolted high durability concrete tamper-evident form of the present utility model;

description of the drawings: 1. reinforcing steel bars; 2. a concrete layer; 3. a prefabricated plate; 4. a sleeve; 5. structural adhesive; 6. a high-strength bolt; 7. connecting a cover plate; 8. and (3) a nut.

Detailed Description

The technical scheme of the utility model is further described below through the attached drawings and the embodiments.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

Examples

As shown in fig. 1-4, the utility model provides a flush type bolt-connection high-durability concrete dismantling-free formwork, the dismantling-free formwork comprises a first formwork, a second formwork and a connecting component, the first formwork and the second formwork are composed of at least four precast slabs 3, the whole working procedure can be divided into two working procedures of factory prefabrication and field installation, the precast slabs 3 and the connecting component can be manufactured in a factory, the precast slabs 3 comprise a steel skeleton and a sleeve 4, the steel bars 1 are combined in a shearing and bending mode, the vertically distributed steel bars, the horizontally distributed steel bars, the tie bars and the edge reinforcing position steel bars are selected according to the actual stress of the structure, the construction requirements are in accordance with the earthquake-proof standard and the regional standard, the distribution of the steel bars 1 is ensured to have enough anchoring length, the sleeve 4 is in a hollow structure and is fixed in the steel skeleton, a concrete layer 2 is further arranged in the steel skeleton, the concrete layer 2 wraps the steel skeleton, the sleeve 4 is fixed, and after the concrete is solidified, the formed precast slabs comprise high-strength bolts, nuts and connecting cover plates can be prefabricated in the factory;

the prefabricated components in a factory are transported to an installation site for installation, the first template and the second template are composed of at least four prefabricated plates 3, the transverse joints of the two adjacent prefabricated plates 3 are connected by connecting components, a high-strength bolt 6 sequentially penetrates through a connecting cover plate 7 on one side, a sleeve 4 and a connecting cover plate 7 on the other side, the high-strength bolt 6, the nut 8 and the connecting cover plate 7 are fixed through nuts 8, the connection of the transverse joints is carried out, the installation is convenient, the structure is firm, the vertical joints are bonded by structural adhesive 5, the quantity of the prefabricated plates for splicing can be adjusted according to the requirement, an intermediate concrete layer is arranged between the first template and the second template, concrete is maintained, and the strength of the concrete reaches the standard, so that a wall body with the concrete wrapped by the non-dismantling template is formed; the middle concrete layer and the concrete layer in the precast slab are basalt fiber concrete, have waterproof and anticorrosion effects, have waterproof, anti-cracking and anti-penetration effects, and obviously improve the corrosion resistance and the service life of the concrete material; the side, close to the middle concrete layer, of the first template and the second template is provided with a coating layer, the precast slab cannot be adhered to the middle concrete, the precast slab cannot be difficult to replace due to the fact that the precast slab is adhered to the concrete in the later period when the precast slab is affected by the environment and needs to be replaced, the outer sides of joints of the precast slabs are provided with sealant, and the fact that other substances penetrate into the joints is guaranteed not to erode the internal concrete;

therefore, the flush type bolted high-durability concrete dismantling-free formwork adopting the structure inherits the advantages of an assembled building, the prefabrication degree is high, pouring of each prefabricated formwork, manufacture of embedded parts and manufacture of connecting parts are finished in factories, wet operation is not needed on site, and the prefabricated formworks are simply assembled and connected by bolts on site, so that the construction progress is accelerated, meanwhile, manpower and material resources are saved, the advantages of the assembled structure are fully exerted, and industrial production can be realized.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting it, and although the present utility model has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the utility model can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the utility model.

Claims (6)

1. Flush type bolted connection high durable concrete exempts from form, including exempting from form, its characterized in that: the non-dismantling formwork comprises a first formwork, a second formwork and a connecting assembly, an intermediate concrete layer is arranged between the first formwork and the second formwork, the first formwork and the second formwork are composed of at least four precast slabs, the transverse joints of two adjacent precast slabs are connected by the connecting assembly, the vertical joints are bonded by structural adhesive, the precast slabs comprise a reinforcement framework and a sleeve, and the sleeve is fixed in the reinforcement framework, and a concrete layer is arranged in the reinforcement framework.

2. The flush bolted high durability concrete tamper-evident form of claim 1, wherein: the sleeve is of a hollow structure and penetrates through the precast slab.

3. The flush bolted high durability concrete tamper-evident form of claim 1, wherein: the connecting assembly comprises a high-strength bolt, a nut and a connecting cover plate, wherein the high-strength bolt sequentially penetrates through the connecting cover plate on one side, the sleeve and the connecting cover plate on the other side, and is fixed through the nut.

4. The flush bolted high durability concrete tamper-evident form of claim 1, wherein: the intermediate concrete layer and the concrete layer are basalt fiber concrete.

5. The flush bolted high durability concrete tamper-evident form of claim 1, wherein: and a coating layer is arranged on one side of the first template and one side of the second template, which are close to the middle concrete layer.

6. The flush bolted high durability concrete tamper-evident form of claim 1, wherein: and sealant is arranged on the outer side of the joint of the precast slab.

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