CN219327222U

CN219327222U - Precast basalt reinforced concrete composite floor slab

Info

Publication number: CN219327222U
Application number: CN202222567561.2U
Authority: CN
Inventors: 严俊伟; 陈跃; 蒋平平; 李顺明; 仇伟秀; 张建华; 冯凯; 吴侃; 鲍栋孝
Original assignee: Zhejiang Erjian Construction Group Co ltd; Ningbo University of Technology
Current assignee: Zhejiang Erjian Construction Group Co ltd; Ningbo University of Technology
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-07-11
Anticipated expiration: 2032-09-27

Abstract

The utility model relates to the technical field of constructional engineering, and discloses a prefabricated basalt reinforced concrete composite floor slab, which comprises the following components: basalt fiber concrete; the basalt reinforcement networks are pre-embedded in the basalt fiber concrete, and are arranged along the height direction of the basalt fiber concrete; the basalt truss is arranged above the basalt fiber concrete, and is connected with the basalt reinforcement net. The utility model has the advantages that the composite floor slab replaces all the steel bars in the traditional precast reinforced concrete composite floor slab with basalt bars, the truss part is replaced by basalt bars, basalt fibers are added into basalt fiber concrete, and basalt bars and truss structures are reasonably arranged, so that the composite floor slab meets the low-carbon environment-friendly requirement while improving the structural strength and durability of the composite floor slab.

Description

Precast basalt reinforced concrete composite floor slab

Technical Field

The utility model relates to the technical field of constructional engineering, in particular to a prefabricated basalt reinforced concrete composite floor slab.

Background

Along with the adjustment of national industrial policies, the construction industry is transformed and upgraded, and the development of assembled building structures is greatly promoted. The assembled building structure can effectively save energy, reduce pollution, improve labor production efficiency and quality safety level and promote transformation and upgrading of the building industry. In recent years, the best policies concerning fabricated building structures have come to come across the country. Under the continuous promotion of national and local policies, the technical research of assembled building structures and the enthusiasm of engineering application are continuously increased, and research work in all aspects is greatly progressed.

The prefabricated reinforced concrete composite slab is the most common floor form in the assembled structure of China, and the floor mainly consists of two materials, namely reinforced steel bars and concrete. The floor slab structure has good strength, rigidity and overall performance, and is suitable for buildings with high requirements on earthquake fortification and integrity. However, the constituent materials of the precast reinforced concrete floor slab structure are steel bars and concrete, the large-scale use of the steel bars does not meet the requirements of low carbon and environmental protection, the concrete is easy to crack, water seepage and steel bar corrosion can be caused after the concrete cracks, and the use and the durability of the precast reinforced concrete floor slab structure are further affected.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to solve the technical problems of providing a prefabricated basalt reinforced concrete composite floor slab which is low in carbon, environment-friendly and long in service life.

The technical scheme adopted by the utility model for solving the technical problems is that the utility model provides a prefabricated basalt reinforced concrete composite floor slab, which comprises the following components:

basalt fiber concrete;

the basalt reinforcement networks are pre-embedded in the basalt fiber concrete, and are arranged along the height direction of the basalt fiber concrete;

the basalt truss is arranged above the basalt fiber concrete, and is connected with the basalt reinforcement net.

Further, the basalt reinforcement net comprises transverse basalt reinforcement and longitudinal basalt reinforcement which are arranged in a crossing mode, wherein the transverse basalt reinforcement is arranged along the length direction of the basalt fiber concrete, and the longitudinal basalt reinforcement is arranged along the width direction of the basalt fiber concrete.

Further, the plurality of horizontal basalt ribs and the plurality of longitudinal basalt ribs are arranged in parallel, and the plurality of longitudinal basalt ribs are arranged in parallel.

Further, the length of the transverse basalt tendons is larger than that of the basalt fiber concrete.

Further, two basalt trusses are arranged and are symmetrically arranged.

Further, two transverse basalt tendons adjacent to the basalt truss are symmetrically arranged.

Further, the basalt truss includes a plurality of cross beams and a diagonal beam connecting the plurality of cross beams.

Compared with the prior art, the utility model has at least the following beneficial effects:

in the utility model, the steel bars in the traditional precast reinforced concrete composite floor slab are replaced by basalt bars, the truss part is replaced by basalt bars, and basalt bars and truss structures are reasonably arranged in basalt fiber concrete, so that the structural strength and durability of the composite floor slab are improved, and meanwhile, the composite floor slab meets the low-carbon environment-friendly requirement; and the basalt fiber concrete improves the cohesiveness and stability of common concrete, improves the impact resistance of the basalt fiber concrete, reduces the brittleness of the basalt fiber concrete, and prolongs the service life of the floor slab.

Drawings

FIG. 1 is a schematic structural view of a prefabricated basalt reinforced concrete composite floor slab of the present utility model;

fig. 2 is an enlarged view at a in fig. 1.

In the figure:

100. basalt fiber concrete; 200. basalt reinforcement net; 210. transverse basalt ribs; 220. longitudinal basalt ribs; 300. truss; 310. a cross beam; 320. and (5) an oblique beam.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1-2, a prefabricated basalt reinforced concrete composite floor slab comprises: basalt fiber concrete 100; the basalt reinforcement mesh 200 is pre-embedded in the basalt fiber concrete 100, and the basalt reinforcement mesh 200 is arranged along the height direction of the basalt fiber concrete 100; and the basalt truss 300 is arranged above the concrete slab body 100, and the basalt truss 300 is connected with the basalt reinforcement net 200. Specifically, the scheme completely replaces the steel bars in the existing concrete composite floor slab with basalt bars, and reasonably arranges the basalt bars and the truss 300, so that the composite floor slab integrally meets the requirements of low carbon and environmental protection, the basalt fiber concrete 100 improves the cohesiveness and stability of common concrete, cracking can be effectively prevented, and the integral durability of the composite floor slab is improved.

The basalt reinforcement net 200 comprises transverse basalt reinforcement 210 and longitudinal basalt reinforcement 220 which are arranged in a crossed mode, wherein the transverse basalt reinforcement 210 is arranged along the length direction of the basalt fiber concrete 100, and the longitudinal basalt reinforcement 220 is arranged along the width direction of the basalt fiber concrete 100. In actual use, the plurality of horizontal basalt tendons 210 and the plurality of vertical basalt tendons 220 are provided, that is, the basalt tendon net 200 is woven by the plurality of horizontal basalt tendons 210 and the plurality of vertical basalt tendons 220; and a plurality of the horizontal basalt ribs 210 are arranged in parallel, and a plurality of the longitudinal basalt ribs 220 are arranged in parallel, so that basalt rib structures are reasonably arranged, and the overall structural strength of the composite floor slab is improved.

In this embodiment, the length of the lateral basalt ribs 210 is greater than that of the basalt fiber concrete 100, and the longer lateral basalt ribs 210 are used for being connected with steel bars in cast-in-place concrete, so that the overall structural strength of the fabricated building is improved.

In the actual use process, two basalt trusses 300 are arranged, and the two basalt trusses 300 are symmetrically arranged; namely, two basalt trusses 300 are connected to one prefabricated basalt reinforced concrete composite floor slab, and a hanging point can be connected with the basalt trusses 300.

Preferably, two lateral basalt tendons 210 adjacent to the basalt truss 300 are symmetrically arranged, so that the basalt fiber concrete 100 is stressed uniformly; and the basalt truss 300 includes a plurality of cross beams 310 and diagonal beams 320 connecting the plurality of cross beams 310, improving the structural strength of the basalt truss 300.

The production process of the prefabricated basalt reinforced concrete composite floor slab in the scheme comprises the following steps: 1. selecting a corresponding mould according to a design drawing of unidirectional plate number BDB69-2712-1 in a drawing set of 15G366-1 truss 300 reinforced concrete superimposed sheet (60 mm thick bottom plate), and cleaning and checking the mould; 2. arranging basalt tendons and basalt trusses 300 in a mold according to a design drawing; 3. arranging embedded parts, including supporting embedding, embedding a lifting point lifting appliance and the like; 4. and (3) mixing a certain amount of basalt fiber into the concrete to perform concrete pouring and curing of the concrete, verifying the strength of the concrete after curing is completed, and removing the mould and lifting and demoulding after verification is successful.

The actual installation is as follows: 1. determining the installation position of the prefabricated part, erecting a supporting system, and then carrying out positioning and correction on the prefabricated basalt reinforced concrete composite floor slab; 2. binding reinforcing steel bars and paving hydropower pipelines; 3. cleaning and wetting the overlapped surface, pouring the concrete of the laminated slab, pouring the concrete from the middle to two sides, vibrating by using a flat vibrator to be compact, and curing by using a plastic film for more than 7 days after pouring.

In the scheme, the basalt ribs mainly act on tensile strength and also act on compression resistance and shearing resistance. The prefabricated basalt reinforced concrete composite floor slab is pressed at the upper part and pulled at the lower part, and a certain amount of basalt fibers are doped, so that the cohesiveness and stability of the concrete are improved, the shock resistance of the concrete is improved, the brittleness of the concrete is reduced, and the service life of the floor slab is prolonged.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

Claims

1. The utility model provides a prefabricated basalt muscle concrete coincide floor which characterized in that includes:

basalt fiber concrete;

2. The precast basalt reinforced concrete composite floor slab according to claim 1, wherein the basalt reinforcement net comprises transverse basalt reinforcement and longitudinal basalt reinforcement which are arranged in a crossing manner, the transverse basalt reinforcement is arranged along the length direction of the basalt fiber concrete, and the longitudinal basalt reinforcement is arranged along the width direction of the basalt fiber concrete.

3. The precast basalt reinforced concrete composite floor slab of claim 2, wherein a plurality of the transverse basalt tendons and the longitudinal basalt tendons are arranged in parallel, and a plurality of the longitudinal basalt tendons are arranged in parallel.

4. A precast basalt tendon concrete composite floor according to claim 2, wherein the length of the lateral basalt tendons is greater than the length of the basalt fiber concrete.

5. The precast basalt reinforced concrete composite floor slab of claim 1, wherein two basalt trusses are arranged, and the two basalt trusses are symmetrically arranged.

6. A precast basalt tendon concrete composite floor according to claim 2, wherein two lateral basalt tendons adjacent to the basalt truss frame are symmetrically arranged.

7. A precast basalt reinforced concrete composite floor according to claim 2, wherein the basalt truss frame comprises a plurality of cross beams and a diagonal beam connecting a plurality of the cross beams.