WO2021056253A1

WO2021056253A1 - Modular composite lattice column and construction method therefor

Info

Publication number: WO2021056253A1
Application number: PCT/CN2019/107811
Authority: WO
Inventors: 邹胜斌; 陈仪清
Original assignee: 邹胜斌; 陈仪清
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2021-04-01

Abstract

A modular composite lattice column and a construction method therefor. The lattice column is formed by stacking several modules (1) in the vertical direction; a lattice structure (2) is arranged inside the module (1); the lattice structure (2) is formed with several through holes (3) in the vertical direction; metal stress tubes (4) are respectively arranged in the through holes (3), and the bottom of the metal stress tube (4) is fixed onto a construction; the upper and lower ends of the module (1) are each arranged with a corresponding tongue-and-groove dislocation structure (5), and adjacent modules (1) are connected by means of the tongue-and-groove dislocation structures (5). The construction method relates to sleeving several modules (1) on the metal stress tubes (4) layer by layer to form the lattice column (2). A traditional reinforced concrete column is modularized, and direct assembling can be achieved without filling the through hole with a filler; it is convenient to achieve mass production and low weight; transportation is convenient and hoisting is simple; dry construction is adopted, and there is less dust; recycling can be achieved so that it is ecological and environmental-friendly; on-site formwork supporting is not required, and the requirements for construction personnel are low and the construction efficiency is high; the module is industrially produced, the precision is high, and post-plastering and decoration on the surface is not required.

Description

Modular combined lattice column and construction method thereof

Technical field

The invention relates to a modular combined lattice column and a construction method thereof, and belongs to the technical field of prefabricated building.

Background technique

The frame column as the main component of the frame structure is generally an ordinary reinforced concrete column, that is, the steel cage is bundled first, the formwork is supported, and the concrete is poured. The production of this traditional reinforced concrete column has complex construction and construction period. The long-term cost is high, the pouring is prone to quality problems such as honeycomb pitted surface or exposed reinforcement, the stirrup processing is cumbersome, and the wet construction causes problems such as poor construction environment.

Steel and concrete composite columns are generally divided into two types: steel pipes are on the outside of the column, and concrete inside is called "concrete steel tube column"; section steel is located inside, and longitudinal bars are tied around section steel and stirrups are poured into concrete are called section steel. Concrete column. The concrete-filled steel tube column and the steel-shaped steel concrete column are equipped with more steel-shaped steel, so the shear capacity, the compressive bearing capacity, and the ductility of the column are all improved. The construction of the above two kinds of steel and concrete composite columns is complicated, and the section steel needs to be hoisted in place. The section steel is large in size, self-heavy, difficult to hoist, and difficult to locate; the above two types of composite columns and beams, composite columns and foundation node structures are large Complex and cumbersome construction; the concrete-filled steel tube column is prone to vibrate and not compact during the pouring process; the steel-shaped concrete column is affected by the section steel and the surrounding steel bars, and the pouring quality is not easy to guarantee. At the same time, it is necessary to install close-packed studs on the section steel. complex. The above two kinds of steel and concrete composite columns are generally used for columns that require special reinforcement under structural forces, and their cost is relatively high.

Summary of the invention

In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a modular combined lattice column and a construction method thereof, so as to solve the existing reinforced concrete column with complicated formwork construction, long construction period and high cost. There are many quality problems and the need to process stirrups separately.

In order to achieve the above objective, the technical scheme of the present invention is as follows:

The modular combined lattice column is formed by vertically stacking a number of column modules; the column modules are staggered with lattice structures; the lattice structures of the column modules form a plurality of vertically connected columns in the vertical direction. Through holes; a plurality of said through holes are respectively vertically penetrated with a metal force tube, and the bottom of the metal force tube is fixed on a building or structure; the upper end and the lower end of the column module are respectively provided with corresponding With the tongue-and-groove dislocation structure, the upper and lower adjacent column modules are connected to each other through the tongue-and-mouth dislocation structure.

By modularizing the reinforced concrete column column, it can be prefabricated in the factory, and the module is a standard module. Because the factory production method of the same proportion is adopted in the production process, the quality assurance rate of the module molding is greatly improved, and the traditional cast-in-situ steel bar is avoided The problem of high strength dispersion during concrete column pouring. The modular composite lattice column of the present invention sets the metal force tube in the through hole, and is assembled on site. The through hole is set inside the modular lattice structure, and there is no problem of exposed ribs; the factory installs the column according to the standard prefabricated module The miniaturization is carried out, so it is not necessary to use wood as a mold according to the existing method, which solves the problem of the pouring quality of the honeycomb pitted surface. At the same time, the miniaturized column module is easy to transport and only needs to be assembled on site, which saves time and effort, saves labor, and reduces the installation cycle. In addition, the prefabricated modules are column modules for normal use when they leave the factory, and the construction is not affected by the environment such as temperature and humidity, which improves the construction efficiency. Adjacent modules are overlapped with each other through a tongue-and-groove dislocation structure, which can improve the shear bearing capacity of the columns at the joints. The cross-connected cross ribs in the module make the metal stress tube and the module work together well; the metal stress tube and the latticed module form an integral body, which becomes a good stress column, which can withstand bending moments well. , Shear force, tensile force, pressure, torque, etc.

Further, a plurality of the metal stress tubes are uniformly and symmetrically arranged in the cylinder. The present invention replaces the existing steel bars with a metal stress tube, the metal stress tube has higher strength and better rigidity, and the load-bearing capacity of the column body is greatly improved in the modular combined column. The bearing capacity of ordinary steel columns is often controlled by overall stability and local stability. The bearing capacity controlled by stability is lower than the bearing capacity calculated from the strength of the steel column itself. The present invention uses a lattice structure between the metal stress tube and the module. Interaction and common force, the module limits the instability of the steel column metal stressed tube, so that the metal stressed tube can fully exert its own strength, and the calculated bearing capacity makes the strength of the steel tube fully utilized.

Furthermore, the cross-section of the through hole is rectangular, round or square, and the metal stressed tube is clamped into the through hole. The cross-section of the metal stress tube is generally rectangular, round or square. The cross-section of the through hole can be set according to the specific situation, and the metal stress tube of appropriate shape can be used.

Furthermore, the gap between the metal stress tube and the through hole is filled with an adhesive or filler that fastens the plurality of column modules and the plurality of metal stress tubes into one body. By filling the gap between the metal stress tube and the through hole with an adhesive or filler, the metal stress tube and the column can be better fastened as a whole, strengthen the interaction, and enhance the strength of the overall lattice column .

Furthermore, a filler is also filled in the through hole where the metal stress tube is not provided. By filling the filler in the through holes used, the various strengths of the column are further enhanced.

Furthermore, the lattice structure is provided with a plurality of transverse passages connecting a plurality of through holes in the transverse direction, and the fillers in the plurality of through holes are connected as a whole. Several through holes can be connected through the arrangement of the transverse channels, and the fillers in the through holes are connected as a whole, so that the filler and a number of column modules are tightly combined, and the strength of the overall lattice column is further enhanced.

Further, a column foundation is also provided at the bottom of the column, and a tongue-and-groove structure for mutual engagement with the lower end of the column module is also provided at the upper end of the column foundation; the bottom of the metal stress tube is fixed on the column foundation . By setting the column foundation and setting the tongue-and-groove dislocation structure on the column foundation to directly overlap the column module, it can be spliced on site, which improves work efficiency.

Further, the cross section of the column module is, but not limited to, a circle, a rectangle, or a polygon.

Further, the column module adopts lightweight materials including organic matter, inorganic matter, and polymer materials, and is formed by injection molding or die-casting. By choosing different materials for injection molding or die-casting for different buildings, the production cost of the column can be reduced, and the production efficiency of the column module can be improved at the same time.

The method for constructing modular combined lattice columns of the present invention includes the following steps:

S1, according to the force requirements of the lattice column, calculate the number of metal force tubes required;

S2, according to the position information of the column through hole and the arrangement information of the metal force tube in the through hole, fix the bottom ends of a number of metal force tubes on the building or structure at the bottom of the column;

S3. A number of column modules are sequentially inserted from the tops of a number of metal stress tubes and stacked on each other to form a lattice column column. The adjacent column modules are joined to each other through a tongue-and-groove staggered structure, and a number of metal stress tubes are clamped separately Set in a number of through holes;

S4. The top of the column and the building or structure on the top of the column are fixedly connected to each other.

Modularized segmentation of the column requires only assembling on site. The traditional steps of tying steel mesh, supporting formwork, fixing formwork, and vibrating concrete are simplified, which greatly shortens the construction period and improves work efficiency. Because the metal stress tube is clamped in the through hole, filler filling can be omitted, and material is saved.

Furthermore, a column foundation is provided at the bottom of the column body, and a tongue-and-groove dislocation structure is arranged on the upper end of the column foundation to mutually engage with the lower end of the column module, and the bottom ends of several metal stress tubes are fixed on the column foundation. Through the column foundation and setting the tongue-and-groove dislocation structure on the column foundation, it is only necessary to assemble the module on the column foundation on site, which improves the assembly efficiency of the column. The column foundation can also be produced in the factory, and the produced column foundation can be directly embedded in the building for use. The column foundation can also be directly used by the column module, and the column module can be embedded in the building, which improves the production efficiency of the column module, saves the construction process of the column foundation, and improves the construction of the lattice column. Work efficiency.

Compared with the prior art, the advantages of the modular composite staircase of the present invention are:

1) Disperse ordinary reinforced concrete columns into small modules, which is convenient for large-scale production and processing;

2) The problem of large dispersion of column strength is solved.

3) The product is modular, small in weight, and light in structure;

4) Convenient transportation and simple hoisting;

5) The construction is simple, the modular products can be assembled, no stirrup processing and binding, no supporting form, low technical requirements for the construction personnel, and high construction efficiency;

6) The appearance of the module is the appearance of the column. Industrial production ensures that the appearance is clean and flat without plastering, which simplifies the process and saves costs;

7) Eliminate the problems of poor verticality of the pillars, easy to "rot roots", honeycombs and holes, exposed tendons, pockmarked surface and other pillars.

Description of the drawings

A brief description of the content expressed in the drawings and the marks in the drawings:

Fig. 1 is a perspective view of a cylindrical module of the first embodiment;

Fig. 2 is a top view of a column module according to the first embodiment;

Fig. 3 is a perspective view of the cylinder module of Fig. 1 turned 180°;

Fig. 4 is a schematic structural diagram of the cooperation of the column foundation and the metal force tube in the first embodiment;

FIG. 5 is a schematic structural diagram of the splicing process of column modules in the first embodiment;

6 is a schematic diagram of the structure of a lattice column filled with adhesive in the gaps between the metal force tube and the metal force tube and the through hole;

Figure 7 is a top view of Figure 6

8 is a schematic diagram of the structure of the lattice column not filled with fillers and binders in the second embodiment of the embodiment;

In the figure: 1 is a column module; 2 is a lattice structure; 3 is a through hole; 4 is a metal force tube; 5 is a tongue-and-groove structure; 6 is a binder; 7 is a column foundation.

detailed description

A non-limiting embodiment is given below in conjunction with the accompanying drawings to further illustrate the present invention. However, it should be understood that these descriptions are only examples, and are not intended to limit the scope of the present invention. In addition, in the following description, descriptions of well-known structures and technologies are omitted to avoid unnecessarily obscuring the concept of the present invention.

Example one

As shown in Figures 1, 2, 3, and 5, the modular combined lattice column is formed by vertically stacking a number of column modules 1; the column modules 1 are staggered with lattice structures 2; The lattice structure 2 of the body module 1 vertically forms a plurality of vertically connected through holes 3; in the plurality of through holes 3, a metal force tube 4 is vertically penetrated, and the bottom of the metal force tube 4 It is fixed on a building or structure; the upper and lower ends of the column module 1 are respectively provided with corresponding tongue-and-groove dislocation structures 5, and the upper and lower adjacent column modules 1 are joined to each other through the tongue-and-groove dislocation structure 5. A plurality of the metal stress tubes 4 are uniformly and symmetrically arranged in the cylinder. The cross section of the through hole 3 is rectangular, the cross section of the metal stressed tube 4 is circular, and the metal stressed tube 4 is clamped into the through hole 3. The metal stress tube 4 and the top of the column are fixedly connected to the building or structure. The column module 1 is made of concrete die-casting.

As shown in Figures 6 and 7, the gap between the metal stress tube 4 and the through hole 3 is filled with an adhesive 6 that fastens several column modules 1 and several metal stress tubes 4 into one body.

As shown in Figures 4, 5, and 6, a column foundation 7 is also provided at the bottom of the column, and a tongue-and-groove dislocation structure 5 is also provided at the upper end of the column foundation 7 which is mutually engaged with the lower end of the column module 1; The bottom of the metal stress tube 4 is fixed on the column foundation 7. The cross section of the column module 1 is square.

The method for constructing modular combined lattice columns in this embodiment includes the following steps:

S1. Calculate the number of metal force tubes 4 used according to the required strength information of the lattice column; as shown in Figures 4, 5, and 7, the number of metal force tubes 4 used in this embodiment is eight, and the column Module 1 is shown in Figures 1, 2 and 3, the number of through holes 3 is twenty-five, and all the metal stress tubes 4 are finally arranged in the through holes 3 formed with the outer wall of the column module 1;

S2, according to the position information of the column through hole 3 and the arrangement information of the metal force tube 4 in the through hole 3, fix the bottom ends of a number of metal force tubes 4 on the building or structure at the bottom of the column;

According to the specific situation, the column module 1 is used as the column foundation 7 as shown in Figures 4, 5, and 6, partially embedded in the building. Before the column foundation 7 is embedded, the lower end of the metal stress tube 4 is fixedly provided with The connecting plate, the metal stress tube 4 is fixed on the building and the concrete foundation through the connecting plate and several anchor rods. As shown in Figure 4, the eight metal stress tubes 4 are all vertically and evenly fixed to the column foundation 7 In the through hole 3;

S3. A number of column modules 1 are successively penetrated from the tops of the eight metal stress tubes 4 and stacked on each other to form lattice column columns. The adjacent column modules 1 are joined to each other through the tongue-and-groove dislocation structure 5, and the eight The metal force tube 4 is sandwiched in a number of through holes 3 respectively, as shown in FIG. 7, and then the gap between the metal force tube 4 and the through hole 3 is filled with an adhesive 6 from top to bottom;

Modularized segmentation of the column requires only assembling on site, which simplifies the traditional steps of tying steel nets, enclosing molds, and vibrating concrete, which greatly shortens the construction period and improves work efficiency. After the stacking is completed, the adhesive 6 is filled into the gap between the through hole 3 and the metal stress tube 4, which can ensure that all the metal stress tubes 4 and the column module 1 are fastened together, and the overall strength is improved. The module is prefabricated in the factory, and its outer wall and lattice structure 2 are integrated, which has strong binding force in the transverse direction, eliminating the use of transverse steel bars, and can ensure the strength of the overall composite column.

In the modular strongly constrained composite column constructed in this embodiment, the column module 1 is made of concrete die-casting, and its cross-section is square, the cross-section width is 0.4m, and the cross-section height is 0.6m. As shown in Fig. 6, there are six column modules 1 in common, among which the column foundation 7 is pre-embedded in the building by the column module 1 by 0.3 m, and the height of the above-ground column is 2.7 m. It shares 4 or 8 metal stress pipes, which requires 1 person and takes 1.5 hours. The construction speed is fast, and the final successful column has good verticality, no honeycombs and holes, no exposed ribs, no pitted surface, and no plastering of the column, saving Cost.

Example two

The difference between this embodiment and the first embodiment is:

As shown in Fig. 8, the interior of the modular combined lattice column of this embodiment is not filled with adhesives or/and fillers. The cross-connected transverse ribs of the column modular lattice structure of this embodiment make the metal stress tube It works well with the module; the metal force tube and the latticed module form a whole to become a good force column, which can withstand bending moment, shear, tension, pressure, torque, etc. well.

The above embodiments should be understood as only used to illustrate the present invention and not to limit the protection scope of the present invention. After reading the recorded content of the present invention, technical personnel can make various changes or modifications to the present invention, and these equivalent changes and modifications also fall within the scope defined by the claims of the present invention.

Claims

The modular combined lattice column is characterized in that it is formed by stacking a plurality of column modules vertically; the column modules are staggered with lattice structures; the lattice structures of the column modules form a plurality of columns in the vertical direction. Vertically connected through holes; in a number of the through holes, a metal stress tube is vertically inserted and clamped, and the bottom of the metal stress tube is fixed on a building or structure; at the upper and lower ends of the column module Corresponding tongue-and-groove dislocation structures are respectively provided, and upper and lower adjacent column modules are joined to each other through the tongue-and-groove dislocation structure.
The modular combined lattice column according to claim 1, wherein a plurality of the metal stress tubes are uniformly and symmetrically arranged in the column body.
The modular combined lattice column according to claim 2, wherein the cross section of the through hole is rectangular, the cross section of the metal stress tube is round, square or rectangular, and the metal The force tube is clamped into the through hole.
The modular combined lattice column according to claim 3, wherein the gap between the metal stress tube and the through hole or/and the metal stress tube is filled with filler.
The modular combined lattice column according to any one of claims 1 to 4, wherein a column foundation is also provided at the bottom of the column, and a mutual contact with the lower end of the column module is also provided on the upper end of the column foundation. The jointed tongue-and-groove dislocation structure; the bottom of the metal stress tube is fixed on the column foundation.
The modular composite lattice column according to any one of claims 1 to 4, wherein the cross section of the column module is, but not limited to, a circle, a rectangle, or a polygon.
The modular combined lattice column according to any one of claims 1 to 4, wherein the column module adopts lightweight materials including organic, inorganic, and polymer materials, and is formed by injection molding or die-casting. .
The modular combined lattice column according to any one of claims 1 to 4, wherein the metal stress tube and the top of the column are fixedly connected to a building or structure.
The method for constructing modular composite lattice columns according to any one of claims 1-8, characterized in that it comprises the following steps:

S1. According to the force requirements of the lattice column, calculate the number of metal force tubes used;

S2, according to the position information of the column through hole and the arrangement information of the metal force tube in the through hole, fix the bottom ends of a number of metal force tubes on the building or structure at the bottom of the column;

S3. A number of column modules are sequentially inserted from the tops of a number of metal stress tubes and stacked on each other to form a lattice column column. The adjacent column modules are joined to each other through a tongue-and-groove staggered structure, and a number of metal stress tubes are clamped separately Set in a number of through holes;

S4. The top of the column and the building or structure on the top of the column are fixedly connected to each other.
The construction method according to claim 9, characterized in that, in step S2, a column foundation is further provided at the bottom of the column, and the upper end of the column foundation is provided with tongue-and-groove dislocations for mutual engagement with the lower end of the column module. Structure, the bottom ends of a number of metal stress tubes are fixed on the column foundation.