UHPC cylindrical shell membrane structure

Abstract

The utility model discloses a UHPC (Ultra High Performance Concrete) cylindrical shell membrane structure, which belongs to the technical field of UHPC assembly type components and comprises a segment cylindrical shell, the segment cylindrical shell is prefabricated by UHPC and is of a square structure, a reinforcing mesh is arranged in the segment cylindrical shell, and shear-resistant steel plates are uniformly distributed along the periphery in the segment cylindrical shell; the utility model discloses a UHPC (Ultra High Performance Concrete) cylindrical shell membrane structure, which comprises a section cylindrical shell, connecting grooves are uniformly formed in the periphery of the top of the section cylindrical shell, reinforcing plates corresponding to the connecting grooves are arranged at the bottom of the section cylindrical shell, and the reinforcing plates are matched with the connecting grooves.

Description

TECHNICAL FIELD

[0001] The utility model relates to UHPC assembly type component technical field especially relates to a UHPC column shell membrane structure. BACKGROUND

[0002] Reinforced concrete structure is one of main building structure types in civil engineering, and the construction of concrete column generally adopts on-site pouring concrete at present stage. However, cast-in-place concrete construction needs a large number of formwork and temporary support, and the on-site operation is large in quantity, long in period, and the construction quality cannot be guaranteed, not only a large amount of energy is consumed, but also the surrounding environment is damaged.

[0003] With the continuous development of engineering materials, a kind of ultra-high performance concrete, namely UHPC material, is developed, UHPC material has the characteristics such as super-high mechanical property, high toughness, super-high durability, weather resistance and excellent pouring and forming, is especially suitable for special complex environment engineering application, further enriches structure (structure) modeling, prolongs the service life of structure, meets the new quality productivity development requirement. UTILITY MODEL CONTENT

[0004] In order to overcome the defects of prior art, the technical problem to be solved by the utility model is to provide a UHPC column shell membrane structure which effectively shortens construction time, simplifies construction procedure, improves overall stress performance and stability.

[0005] In order to achieve the purpose, the utility model adopts the following technical scheme:

[0006] The utility model provides a kind of UHPC column shell membrane structure, including sectional column shell, the sectional column shell is prefabricated by UHPC, the sectional column shell is arranged in square structure, the sectional column shell is internally arranged with steel mesh, and the sectional column shell is uniformly distributed with shear-resistant steel plate along four peripheries in the inside;

[0007] Connecting groove is uniformly provided around the top of the sectional column shell, the reinforcing plate is provided with the connecting groove in the bottom of the sectional column shell, and the reinforcing plate is matched with the connecting groove.

[0008] The preferred technical scheme of the utility model is that the steel mesh includes longitudinal reinforcement and stirrup, the longitudinal reinforcement is uniformly distributed along the four peripheries in the inside of sectional column shell, and the stirrup is distributed equidistantly along the longitudinal reinforcement axis.

[0009] The preferred technical scheme of the utility model is that the reinforcing plate is provided with reinforcing hole, the mounting hole is arranged around the sectional column shell and corresponds to the reinforcing hole, and the mounting hole is located on the side of connecting groove close to sectional column shell.

[0010] The utility model discloses preferably technical scheme lies to, the reinforcing plate corresponds to install on the connecting groove, be provided with fastening bolt between reinforcing hole and mounting hole for fixing reinforcing plate.

[0011] The utility model discloses preferably technical scheme lies to, the shear resistance steel plate is equidistant along the segment column shell both ends distribution.

[0012] The utility model discloses preferably technical scheme lies to, the segment column shell top reserves longitudinal reinforcement, and the segment column shell bottom reserves the connecting hole of adaptation with longitudinal reinforcement.

[0013] Compared with prior art, the utility model has the advantages that:

[0014] The utility model discloses through setting up prefabricated segment column shell, effectively shortened the time of field construction, simplified the process of field construction, in the prefabrication process, through setting up the reinforcement and shear resistance steel plate, can effectively improve the rigidity and stability of segment column shell whole, strengthen the shear resistance ability of segment column shell, simultaneously through the connection of connecting hole and reserved longitudinal reinforcement, and the setting of reinforcing plate and connecting groove, improved the accuracy and construction efficiency of field installation, and then improved the overall connection strength. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the UHPC column shell membrane structure schematic diagram provided in the embodiment of the utility model;

[0016] Figure 2 It is the upper and lower segment column shell structure schematic diagram provided in the embodiment of the utility model;

[0017] Figure 3 It is the upper and lower segment column shell installation structure schematic diagram provided in the embodiment of the utility model.

[0018] In the drawings, the component list represented by each sign is as follows:

[0019] 1, segment column shell;2, reinforcement;21, longitudinal reinforcement;22, stirrup;3, shear resistance steel plate;4, connecting groove;41, mounting hole;5, reinforcing plate;51, reinforcing hole;52, fastening bolt. CONCRETE EMBODIMENT

[0020] The technical scheme of the utility model will be further illustrated by specific embodiment in combination with the drawings.

[0021] A UHPC column shell membrane structure, including segment column shell 1, the segment column shell 1 is prefabricated by UHPC, the segment column shell 1 is arranged in square structure, the segment column shell 1 inside is equipped with reinforcement 2, the segment column shell 1 inside is evenly distributed with shear resistance steel plate 3 along four periphery;

[0022] The segmental column shell 1 is uniformly provided with a connecting groove 4 around the top, and the segmental column shell 1 is provided with a reinforcing plate 5 corresponding to the connecting groove 4 at the bottom, and the reinforcing plate 5 is matched with the connecting groove 4.

[0023] The reinforcing plate 5 is provided with a reinforcing hole 51, and the segmental column shell 1 is provided with a mounting hole 41 corresponding to the reinforcing hole 51 around, and the mounting hole 41 is located on the side of the connecting groove 4 close to the segmental column shell 1.

[0024] The reinforcing plate 5 is mounted on the connecting groove 4, and the fastening bolt 52 is arranged between the reinforcing hole 51 and the mounting hole 41 for fixing the reinforcing plate 5.

[0025] In the factory, according to the construction requirements, the square steel pipe with regular interval size opening is used as the column shell inner membrane fixed point, the steel bar net 2 is arranged around the outer wall of the steel pipe, the shear-resistant steel plate 3 is connected on the steel bar net 2, and then the outer facade formwork is installed, the UHPC is poured to obtain the segmental column shell 1, the segmental column shell 1 is transported to the construction site, the reinforcing plate 5 around the upper segmental column shell 1 is aligned with the connecting groove 4 around the lower segmental column shell 1 during installation, the reinforcing hole 51 is arranged corresponding to the mounting hole 41, and the fastening bolt 52 is locked and fixed, so as to complete the installation of the upper and lower segmental column shells 1, which can ensure the installation accuracy, improve the efficiency of on-site installation, effectively improve the overall connection strength and stability of the segmental column shell 1 by using the reinforcing plate 5, ensure the stress intensity in the use process, replace the on-site construction pouring, effectively shorten the construction time, simplify the construction process, and improve the efficiency of on-site operation.

[0026] As a possible implementation manner of the scheme, preferably, the steel bar net 2 includes longitudinal bars 21 and stirrups 22, the longitudinal bars 21 are uniformly distributed around the inside of the segmental column shell 1, the stirrups 22 are distributed at equal intervals along the longitudinal bars 21 in the axial direction, the segmental column shell 1 is reserved with longitudinal bars 21 at the top, and the segmental column shell 1 is reserved with connecting holes matched with the longitudinal bars 21 at the bottom, which are connected and installed with the reserved longitudinal bars 21 through the connecting holes, so as to further improve the connection strength between the upper and lower segmental column shells 1, and strengthen the overall stress performance and stability.

[0027] As a possible implementation manner of the scheme, preferably, the shear-resistant steel plate 3 is distributed at equal intervals at both ends of the segmental column shell 1, and the uniformly arranged shear-resistant steel plate 3 can improve the shear-resistant capacity of the segmental column shell 1 in the longitudinal and transverse directions, and ensure the rigidity and stability of the segmental column shell 1.

[0028] The utility model discloses the description through the preferred embodiment, and the person skilled in the art knows that various changes or equivalent replacement can be made to these features and embodiments without departing from the spirit and scope of the utility model. The utility model is not limited by the specific embodiments disclosed here, and other embodiments falling within the claims of the present application all belong to the scope of protection of the utility model.

Claims

1. A UHPC cylindrical shell membrane structure, characterized by: Including segmental column shell (1), the segmental column shell (1) is prefabricated by UHPC, the segmental column shell (1) is arranged in square structure, the segmental column shell (1) is arranged with reinforcing mesh (2) inside, and the segmental column shell (1) is uniformly distributed with shear-resistant steel plate (3) along the periphery inside; The segmental column shell (1) is uniformly provided with connecting groove (4) on the top, the segmental column shell (1) is provided with reinforcing plate (5) corresponding to connecting groove (4) on the bottom, and the reinforcing plate (5) is matched with connecting groove (4). 2.The UHPC column shell membrane structure of claim 1, wherein: The reinforcing mesh (2) includes longitudinal reinforcement (21) and stirrup (22), the longitudinal reinforcement (21) is uniformly distributed along the periphery inside the segmental column shell (1), and the stirrup (22) is distributed at equal intervals along the longitudinal reinforcement (21) in the axial direction. 3.The UHPC column shell membrane structure of claim 1, wherein: The reinforcing plate (5) is provided with reinforcing hole (51), the segmental column shell (1) is provided with mounting hole (41) corresponding to reinforcing hole (51) around, and the mounting hole (41) is located on the side of connecting groove (4) close to the segmental column shell (1). 4.The UHPC column shell membrane structure of claim 3, wherein: The reinforcing plate (5) is mounted on the connecting groove (4), and the fastening bolt (52) is arranged between the reinforcing hole (51) and the mounting hole (41) to fix the reinforcing plate (5). 5.The UHPC column shell membrane structure of claim 1, wherein: The shear-resistant steel plate (3) is distributed at equal intervals along the two ends of the segmental column shell (1). 6.The UHPC column shell membrane structure of claim 2, wherein: The segmental column shell (1) is reserved with longitudinal reinforcement (21) on the top, and the segmental column shell (1) is reserved with connecting hole matched with the longitudinal reinforcement (21) on the bottom.

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