CN116220379A - Annular beam structure node reinforcement frame body device and annular beam construction method - Google Patents

Abstract

The invention discloses a ring beam structure node steel bar binding frame body device and a ring beam construction method, wherein the frame body device comprises an upper layer cross frame body, a middle layer cross frame body, a lower layer cross frame body, a middle sliding shaft and four vertical rods, wherein the lower layer cross frame body is horizontally arranged at the bottom of the frame body device, the four vertical rods are arranged at four corners of the lower layer cross frame body, and the middle sliding shaft is arranged at the center of the lower layer cross frame body; the upper layer crossing frame body is positioned at the upper part of the frame body device, the middle layer crossing frame body is positioned at the middle part of the frame body device, radial scales are respectively arranged on the upper layer crossing frame body, the middle layer crossing frame body and the lower layer crossing frame body, and axial scales are arranged on the middle sliding shaft. The ring beam construction method utilizes the ring beam structure node steel bar binding frame body device to construct. The invention can solve the accurate binding and ordered binding of ring beam reinforcement cages with different sizes, is favorable for firmly binding complex node reinforcement, ensures that the ring beam reinforcement can be better inserted in place on the ring beam, and ensures that the stress of the ring beam is more reliable and safer.

Description

Annular beam structure node reinforcement frame body device and annular beam construction method

Technical Field

The invention relates to a ring beam structure node steel bar binding frame body device and also relates to a ring beam construction method for constructing by using the ring beam structure node steel bar binding frame body device.

Background

The steel skeleton large ring beam concrete node structure enables the connection nodes of complex components such as a shear wall, a basement side wall, a reinforced concrete beam, a plate, a column, a steel skeleton concrete column and the like which exist in the basement simultaneously to be stressed reliably, has the characteristics of practicability and convenience, and ensures the stability of the basement structure. The method needs to carry out mixed construction on the steel structure and the concrete structure, cross operation, requires the steel structure construction to be closely matched with civil engineering construction, can ensure the construction quality, improves the work efficiency and shortens the construction period.

However, in the construction process of the ring beam structure node, the problem often appears is that, because the reinforcing steel bars of the node are dense, the binding of gluten, bottom ribs, waist ribs, stirrups, shearing-resistant ring ribs and the like can occur, the binding is unstable, the ring beam structure node is scattered during hoisting, the binding interval dislocation can also occur, the diameters of the ring beams are different and the heights are different due to the fact that various reinforcing steel bars cannot meet the requirements on the function of the subsequent structure node, the reinforcing steel bar binding cannot be accurately performed, the beam reinforcing steel bars in the subsequent directions cannot be inserted in place on the ring beam, the stress reliability of the ring beam structure node is affected, and the like.

Disclosure of Invention

The first technical problem to be solved by the invention is to provide a ring beam structure node reinforcement frame body device.

The second technical problem to be solved by the invention is to provide a ring beam construction method for constructing the ring beam by using the ring beam structure node reinforcement binding frame body device.

The invention can well solve the accurate binding and ordered binding of the reinforcement cages of the ring beam structure nodes with different sizes, is also beneficial to firmly binding complex node reinforcements, ensures that different reinforcement distances can be staggered according to the required functions, ensures that the beam reinforcements in the subsequent directions can be better inserted in place on the ring beam, and ensures that the stress of the ring beam structure nodes is more reliable and safer.

The first technical problem is solved, and the technical scheme adopted by the invention is as follows:

the utility model provides a ring beam structure node reinforcement support body device which characterized in that: the lower-layer cross frame body is horizontally arranged at the bottom of the frame body device, the four vertical rods are respectively and vertically arranged at four corners of the lower-layer cross frame body, the four vertical rods are positioned on the same circumference, the center of the circumference coincides with the center of the lower-layer cross frame body, a steel reinforcement cage of the ring beam is limited in a space surrounded by the four vertical rods when the lower-layer cross frame is used, and the middle sliding shaft is vertically arranged at the center of the lower-layer cross frame body; the upper layer crossing frame body is positioned at the upper part of the frame body device, four corners of the upper layer crossing frame body are respectively connected with the upper parts of the four vertical rods, the center of the upper layer crossing frame body is connected with the middle sliding shaft, and the upper layer crossing frame body can be adjusted in an up-down sliding way; the middle layer crossing frame body is positioned in the middle of the frame body device, four corners of the middle layer crossing frame body are respectively connected with the upper parts of the four vertical rods, the center of the middle layer crossing frame body is connected with the middle sliding shaft, and the middle layer crossing frame body can be adjusted in an up-down sliding way; radial scales are respectively arranged on the upper layer cross frame body, the middle layer cross frame body and the lower layer cross frame body and used for marking the circumferential position of the steel bars of the steel bar cage, axial scales are arranged on the middle sliding shaft and used for marking the height position of the steel bars of the steel bar cage.

Optionally, the upper layer cross frame body, the middle layer cross frame body and the lower layer cross frame body are respectively provided with two crossed straight rods, four ends of the two crossed straight rods are respectively connected with the four vertical rods, and the crossing positions of the two crossed straight rods are connected with the middle sliding shaft.

Optionally, the lower layer cross frame body is further provided with four cross bars, the four cross bars are respectively arranged on four sides of the lower layer cross frame body, and two ends of each cross bar are respectively fixedly connected with the end parts of the straight bars.

Optionally, the upper cross frame body is connected with the middle sliding shaft and the four vertical rods, and the middle cross frame body is connected with the middle sliding shaft and the four vertical rods through the adjusting sliding bolts, so that the upper cross frame body and the middle cross frame body can be adjusted in an up-down sliding mode.

Optionally, the upper layer cross frame body, the middle layer cross frame body, the lower layer cross frame body, the middle sliding shaft and the four vertical rods are formed by connecting galvanized steel pipes.

The second technical problem is solved, and the technical scheme adopted by the invention is as follows:

the ring beam construction method for constructing the ring beam structure node reinforcement bar binding frame body device is characterized by comprising the following steps of:

s1, welding annular positioning steel bars on the outer wall of a steel pipe column connected with a ring beam structure node;

s2, processing and manufacturing each steel bar part of the steel bar cage of the ring beam;

s3, building a frame device;

s4, manufacturing a reinforcement cage of the ring beam by using a frame device, wherein the reinforcement cage comprises the following steps of:

s401, adjusting the heights of an upper layer of cross frame body and a middle layer of cross frame body according to the design size of the reinforcement cage, wherein the upper layer of cross frame body is positioned above the reinforcement cage, and the middle layer of cross frame body is positioned between shearing ring ribs and waist ribs of the reinforcement cage;

s402, placing gluten and shearing ring gluten of the manufactured reinforcement cage between an upper layer cross frame body and a middle layer cross frame body, placing waist gluten and bottom gluten of the manufactured reinforcement cage between the middle layer cross frame body and a lower layer cross frame body, and according to a design drawing, comparing radial scales to adjust circumferential positions of the gluten, the shearing ring gluten, the waist gluten and the bottom gluten; at this time, all gluten and all shearing ring gluten are stacked together, and all waist gluten and all bottom gluten are stacked together;

s403, vertically penetrating a stirrup group of the reinforcement cage, wherein the stirrup group comprises a plurality of stirrups with different sizes and positioned at different circumferential positions, and the stirrups are arranged according to the design positions;

s404, respectively lifting gluten, shearing ring ribs, waist ribs and bottom ribs to set heights according to the design drawing and by contrasting the axial scales, and binding with stirrups;

s405, binding a drag hook of the reinforcement cage to finish manufacturing the reinforcement cage;

s406, hanging the manufactured reinforcement cage out of the frame body device, and moving the reinforcement cage to an external place for storage;

s5, hoisting the reinforcement cage to the design position where the positioning reinforcement is located on site, pouring concrete, and finally completing construction of the ring beam.

Optionally, the binding sequence of the stirrups of the stirrup group is from small to large, and the binding sequence of the gluten, the shearing ring gluten, the waist gluten and the bottom gluten is from large diameter to small diameter.

Optionally, in step S404, the middle cross frame and the middle sliding shaft are removed after binding is completed.

Optionally, in step S5, before the steel pipe column is fixed, the reinforcement cage is sleeved on the steel pipe column, then the steel pipe column is welded and fixed, and then the reinforcement cage is lifted to a set position for welding and fixing.

Optionally, the reinforcement cage and the steel pipe column are welded through a reinforcement bar.

Compared with the prior art, the invention has the following beneficial effects:

the invention is provided with a frame device to assist in binding the reinforcement cage of the ring beam. The upper layer cross frame body and the middle layer cross frame body can be adjusted up and down, so that the method can be suitable for building annular beam structure nodes with different sizes. In the binding process of the reinforcement cage, the positions of all reinforcement parts of the reinforcement cage can be accurately mastered through radial scales on the upper layer cross frame body, the middle layer cross frame body and the lower layer cross frame body and axial scales on the middle sliding shaft so as to finish the accurate binding of the reinforcement cage. In the binding process of the reinforcement cage, the reinforcement cage is carried out in a space surrounded by four vertical rods and is divided into an upper part and a lower part through a middle-layer cross frame body, so that all reinforcement parts of the reinforcement cage can be placed more orderly and bound more orderly. Under the above-mentioned effect, will be favorable to the firm ligature to complicated node reinforcing bar for different reinforcing bar intervals can be misplaced according to the function of requirement, follow-up beam reinforcement of each direction can be better alternate in place on the ring beam node, make the atress of ring beam structure node more reliable safety etc..

According to the ring beam construction method, the gluten, the shearing ring gluten, the waist gluten and the bottom gluten are correspondingly stacked and placed in the frame body device, the positions are adjusted, the stirrup groups are inserted, the positions are adjusted, the gluten, the shearing ring gluten, the waist gluten and the bottom gluten are sequentially and orderly bound with the stirrup to the set heights, the ring beam construction method is more orderly manufactured, the positions of the ring beam reinforcement cages are more accurate by comparing radial scales and axial scales, and the problem that the existing ring beam reinforcement cage manufacturing mode is disordered because the steel reinforcement cages are too complex is solved.

Drawings

FIG. 1 is a schematic view of a frame device of the present invention;

FIG. 2 is a schematic view of the corresponding positions of the bottom reinforcement, waist reinforcement, shear ring reinforcement, gluten and stirrup of the frame device of the present invention during use;

fig. 3 is a schematic front view of the ring beam construction method of the present invention when the spacer bars are welded to the steel pipe columns;

fig. 4 is a schematic cross-sectional view of a weld of spacer bars in the ring beam construction method of the present invention;

FIG. 5 is a schematic view of the structure of a ring beam constructed by the ring beam construction method of the present invention;

fig. 6 is a schematic cross-sectional view of A-A of fig. 5.

The meaning of the reference numerals in the figures:

1-a lower layer crossing frame body; 2-middle layer crossing frame body; 3-upper layer cross frame body; 4-a vertical rod; 5-a middle sliding shaft; 6-radial graduation; 7-axial graduation; 8-a straight rod; 9-adjusting the sliding bolt; 10-a cross bar; 11-first stirrups; 12-second stirrups; 13-third stirrups; 14-bottom ribs; 15-lumbar muscle; 16-shearing ring ribs; 17-gluten; 18-a steel pipe column; 19-positioning steel bars; 20-reinforced concrete frame beams; 21-floor slab; 22-ring beam; 23-stirrup group.

Detailed Description

The invention is further described below with reference to examples.

In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Examples:

as shown in fig. 1, the frame device for binding the ring beam structural node reinforcing steel bars in the embodiment comprises an upper layer cross frame 3, a middle layer cross frame 2, a lower layer cross frame 1, a middle sliding shaft 5 and four vertical rods 4.

The lower layer crossing support body 1 level sets up in the bottom of support body device, and four montants 4 are established perpendicularly respectively at the four angles of lower floor crossing support body 1, and four montants 4 are located same circumference, and the center in circumference coincides with the center in the space that four montants 4 enclose, and the steel reinforcement cage of ring beam is makeed in the space that four montants 4 enclose during the use. The middle sliding shaft 5 is vertically arranged on the center of the lower layer cross frame body 1 and is also positioned at the center of the space surrounded by the four vertical rods 4. The four vertical rods 4 and the middle sliding shaft 5 are detachably connected with the lower cross frame 1 and can be of a bolt connection structure.

The upper cross frame body 3 is positioned at the upper part of the frame body device, four corners of the upper cross frame body 3 are respectively connected with the upper parts of four vertical rods 4, the center of the upper cross frame body 3 is connected with the middle sliding shaft 5, and the upper cross frame body 3 can be adjusted in a vertical sliding way. The middle layer crossing frame body 2 is positioned in the middle of the frame body device, four corners of the middle layer crossing frame body 2 are respectively connected with the upper parts of four vertical rods 4, the center of the middle layer crossing frame body 2 is connected with a middle sliding shaft 5, and the middle layer crossing frame body 2 can be adjusted in a vertical sliding mode. The upper cross frame body 3 is connected with the middle sliding shaft 5 and the four vertical rods 4, and the middle cross frame body 2 is connected with the middle sliding shaft 5 and the four vertical rods 4 through the adjusting sliding bolt 9, so that the upper cross frame body 3 and the middle cross frame body 2 can be adjusted in an up-and-down sliding mode. The adjusting slide 9 is a conventional slide connection part.

When the steel bar cage is used, the upper layer cross frame body 3 is positioned above the steel bar cage, and the middle layer cross frame body 2 is positioned between the shearing ring rib and the waist rib of the steel bar cage. The space in the frame body device is divided into an upper part and a lower part through the middle-layer cross frame body 2, gluten 17 and shearing ring gluten 16 of the reinforcement cage are placed between the upper-layer cross frame body 3 and the middle-layer cross frame body 2 in the reinforcement bar binding process, waist gluten 15 and bottom gluten 14 of the reinforcement cage are placed between the middle-layer cross frame body 2 and the lower-layer cross frame body 1, and therefore all reinforcement bar parts of the reinforcement cage can be placed in a more orderly manner, and binding can be performed in a more orderly manner.

Radial scales 6 are respectively arranged on the upper layer cross frame body 3, the middle layer cross frame body 2 and the lower layer cross frame body 1, the radial scales 6 are used for marking the circumferential positions of the reinforcing steel bars of the reinforcement cage, an axial scale 7 is arranged on the middle sliding shaft 5, and the axial scale 7 is used for marking the height positions of the reinforcing steel bars of the reinforcement cage. The binding positions of the steel bar parts can be more accurate through the radial graduations 6 and the axial graduations 7.

The upper layer cross frame body 3, the middle layer cross frame body 2 and the lower layer cross frame body 1 of the embodiment are respectively provided with two crossed straight rods 8, four ends of the crossed straight rods 8 are respectively connected with the four vertical rods 4, and the crossed positions of the crossed straight rods 8 are connected with the middle sliding shaft 5. The radial graduation 6 is arranged on one of the two straight bars intersecting with each other.

Wherein, the lower layer crossing support body 1 still is equipped with four horizontal poles 10, and four horizontal poles 10 are established respectively in the four sides of lower floor crossing support body 1, and the both ends of horizontal pole 10 are connected with the tip fixed connection of straight-bar respectively, make the structure of lower floor crossing support body 1 more stable through four horizontal poles 10.

The embodiment also discloses a concrete ring beam construction method, which is constructed by using the ring beam structure node reinforcement binding frame body device, and comprises the following steps:

s1, welding a positioning steel bar:

as shown in fig. 3 and 4, annular positioning steel bars 19 are welded on the outer wall of a steel pipe column 18 connected with a ring beam structure node, according to the design requirement, 6 positioning steel bars 19 are arranged at the ring beam elevation, the positioning steel bars 19 are phi 12 steel bars, the steel bars close to the steel bar cage are firmly welded with stirrups when the steel bar cage is hoisted later, the spacing between the positioning steel bars 19 is 600mm, and the spacing between the positioning steel bars 19 and a floor slab 21 is 200mm;

s2, processing and manufacturing of each steel bar component of the steel reinforcement cage of the ring beam, wherein the processing and manufacturing method comprises the following steps of respectively stirrup, drag hook and the like of a gluten 17, a shearing ring gluten 16, a waist gluten 15, a bottom gluten 14 and a stirrup group 23:

(1) Arc bending machine: the steel bars of the ring beam have higher requirements on the processing precision of the bending machine, and the ellipticity of the main steel bars of the ring beam which is processed and manufactured is less than or equal to 0.3 percent d;

(2) And (3) blanking the steel bars: the blanking specifications of the steel bars of the ring beam are numerous, the lengths are different, the phenomenon that the tailings are difficult to recycle is easy to occur, in order to avoid the waste of the steel bars, the blanking size and the market fixed-length steel bar size are combined, the fixed-length steel bars with the lengths of 12m and 9m are purchased to be used as the blanking of the ring beam steel bars, and the waste of the steel bars is reduced by optimizing the blanking;

(3) Processing and manufacturing: the main bars (the main bars comprise gluten 17 and bottom bars 14) of the ring beam are processed by specific workers, the main bars with the same diameter are firstly subjected to a bending test during mass processing, and the main bars can be processed in batches according to the size after the ovality and the diameter of the main bars meet the requirements; the steel bar bending machine can process according to the amount of 2-3 layers of steel bars, so that the number of times of adjusting the bending radius of the bending machine back and forth is reduced, and the processing precision of the steel bars is improved;

s3, building a frame device, specifically:

(1) The frame body device is formed by constructing a galvanized steel pipe with DN50, adopts a threaded connection mode, can be adjusted into a cube or a cuboid according to the design size of the annular beam, and is divided into a lower layer, a middle layer and an upper layer, wherein the upper layer of cross frame body 3, the middle layer of cross frame body 2 and the lower layer of cross frame body 1 are marked with radial scales 6; schematic figures 1 and 2 of this embodiment show squares;

(2) The lower layer cross frame body 1 is fixedly arranged, four vertical rods 4 are 2.5 meters long, and a cross rod 10 is 2 meters long and is fixed on the lower layer cross frame body 1;

(3) The upper layer cross frame body 3 and the middle layer cross frame body 2 are connected to four vertical rods 4, and the vertical height can be adjusted along a middle sliding shaft 5 marked with axial scales according to the size and the height of the ring beam to be manufactured;

(4) The upper and lower distance adjustment and fixation of the upper layer cross frame body 3 and the middle layer cross frame body 2 are carried out by adopting an adjusting bolt, if the adjusting bolt is loosened to be adjusted up and down, the adjusting bolt is screwed when the adjusting bolt is needed to be fixed after the adjusting bolt is moved up and down to be adjusted in place. Wherein, middle part sliding shaft 5 can be dismantled and assembled as required.

(5) According to the ring girders of different sizes on site, the frame body device can be adjusted for binding the ring girders of different sizes.

S4, manufacturing a reinforcement cage of the ring beam by using a frame device, wherein the reinforcement cage comprises the following steps of:

s401, adjusting the heights of an upper layer cross frame body 3 and a middle layer cross frame body 2 according to the cross section size of the annular beam of 450mm multiplied by 950mm and the design size of a steel reinforcement cage of the annular beam, wherein the upper layer cross frame body 3 is positioned above the steel reinforcement cage, and the middle layer cross frame body 2 is positioned between a shearing ring rib 16 and a waist rib 15 of the steel reinforcement cage;

in the subsequent ligating process, the following principle will be followed:

the binding sequence of the stirrups of the stirrup group 23 is from the stirrups of small size to the stirrups of large size, the binding sequence of the gluten 17, the shearing ring rib 16, the waist rib 15 and the bottom rib 14 is from the large diameter to the small diameter, and when the binding is completed, the drag hook is bound.

The illustration in fig. 2 is only a schematic illustration of the general location of the layers of gluten 17, shear ring gluten 16, waist gluten 15, bottom gluten 14 and stirrup groups, and not the specific number of gluten 17, shear ring gluten 16, waist gluten 15 and bottom gluten 14.

S402, placing the gluten 17 and the shearing ring gluten 16 of the manufactured reinforcement cage between the upper layer cross frame body 3 and the middle layer cross frame body 2, placing the waist gluten 15 and the bottom gluten 14 of the manufactured reinforcement cage between the middle layer cross frame body 2 and the lower layer cross frame body 1, and according to a design drawing, comparing radial scales, and adjusting the circumferential positions of the gluten 17, the shearing ring gluten 16, the waist gluten 15 and the bottom gluten 14; at this time, all gluten 17 and all shearing ring ribs 16 are stacked together, and all waist ribs 15 and all bottom ribs 14 are stacked together;

in the embodiment, 5 gluten 17 are discharged according to the requirement, the gluten 17 adopts phi 22 three-stage steel, and each interval is 300mm; the stirrups are made of phi 10 three-stage steel, and the distance between the stirrups is 130mm; the number of the bottom ribs 14 is 5, and the bottom ribs 14 are three-level steel with phi 25; the interval between the waist ribs 15 is 150mm, and the waist ribs 15 are made of 2 phi 14 three-stage steel.

S403, vertically penetrating a stirrup group of the reinforcement cage, wherein the stirrup group comprises a plurality of stirrups with different sizes and positioned at different circumferential positions, and the stirrups are arranged according to the design positions;

the stirrup group of this embodiment includes first stirrup 11, second stirrup 12 and third stirrup 13, can insert multiunit stirrup group according to the design on the steel reinforcement cage, and the stirrup group distributes according to circumferencial direction. The first stirrup 11, the second stirrup 12 and the third stirrup 13 penetrate from top to bottom, and then scales are drawn and placed according to the drawing intervals.

And (3) adjusting the frame body, and placing the bottom reinforcement and the waist reinforcement at the outermost side at the bottom of the third stirrup.

As shown in fig. 2, the sizes of the first stirrup 11, the second stirrup 12 and the third stirrup 13 in this embodiment become smaller in sequence, they are different in width, the outer edges of the first stirrup 11, the second stirrup 12 and the third stirrup 13 are located at the outer side of the reinforcement cage, the inner edge of the first stirrup 11 is located at the inner side of the reinforcement cage, the inner edge of the second stirrup 12 penetrates downwards between the innermost gluten and the penultimate gluten, the inner edge of the third stirrup 13 penetrates downwards between the penultimate rebar ring and the penultimate gluten, the third stirrup 13 is located between the first stirrup 11 and the second stirrup 12, and the inner edges of the first stirrup 11, the second stirrup 12 and the third stirrup 13 are alternately penetrated in the reinforcement cage. Since the positions of the inner penetrations of the first number of stirrups 11, the second number of stirrups 12 and the third number of stirrups 13 are different, the number of gluten 17, shearing ring gluten 16, waist gluten 15 and bottom gluten 14 passing through the first number of stirrups 11, the second number of stirrups 12 and the third number of stirrups 13 is also different.

S404, respectively lifting the gluten 17, the shearing ring ribs 16, the waist ribs 15 and the bottom ribs 14 to set heights according to the design drawing and by contrasting the axial scale 7, and binding with the stirrups; the method comprises the following steps:

lifting the outermost waist bar 15 of the first layer to a set position according to the design requirement of a drawing, firmly binding the waist bar 15 with the third stirrup 13, sequentially lifting the outermost waist bar 15 of the 2 nd layer (the 3 rd layer … …) to the set position, firmly binding the waist bar with the third stirrup, firmly binding the outermost bottom bar 14 with the third stirrup 13, sequentially lifting the outermost gluten 17 to the set position, firmly binding the gluten with the third stirrup 13, sequentially lifting the outermost shear ring bar 16 to the set position, and firmly binding the gluten with the third stirrup 13; binding the outermost waist bar 15, the bottom bar 14, the gluten 17, the shearing ring bar 16 and the second stirrup 12, and binding the outermost waist bar 15, the bottom bar 14, the gluten 17, the shearing ring bar 16 and the first stirrup 11; after the binding of the outermost side is completed, the steel bars inside are sequentially bound inwards, the diameter of the steel bar of the outermost side is largest, the smaller the more inwards, and the binding is performed according to the binding sequence of the steel bars of the outermost side.

Then, the middle cross frame body 2 and the middle sliding shaft 5 are removed;

s405, binding a drag hook of the reinforcement cage, and locally adjusting the reinforcement cage to finish the manufacture of the reinforcement cage;

s406, hanging the manufactured reinforcement cage out of the frame body device, and moving the reinforcement cage to an external place for storage;

the method comprises the following specific steps: the steel reinforcement cages of the ring beam of the binding finished product are lifted out through a tower crane or a crane and stored in a designated place, and the two formed steel reinforcement cages can be stacked together for saving the place, but cannot exceed two, so that the bottom steel reinforcement cages are prevented from being pressed to be deformed.

The fourth stirrup is also arranged on the reinforcement cage, and is installed with the frame beam simultaneously after being hoisted at the back, and the fourth stirrup is bound at the outer side of the reinforcement cage in a crossing way.

S5, hoisting the reinforcement cage to the design position where the positioning reinforcement is located on site, pouring concrete, and finally completing the construction of the ring beam, wherein the concrete scheme of the step is as follows:

1. hoisting and fixing of reinforcement cage

(1) After the bottom die of the site ring beam 22 is erected, the reinforcement cage can be hoisted, four steel wire ropes need to be symmetrically threaded on two sides of the reinforcement cage and fastened on gluten during hoisting, stability during hoisting of the reinforcement cage is guaranteed, and other objects need not to be touched during hoisting of the reinforcement cage so as to avoid deformation of the reinforcement cage. The reinforcement cage should be assisted by specific workman during installation, avoids reinforcement cage rocking, and tower crane signal worker need in time command the tower crane by side, ensures the smooth installation of reinforcement cage.

(3) The construction steps are as follows: before the steel pipe column 18 is installed, the formed steel reinforcement cage is sleeved on the steel pipe column 18 extending out of the plate surface, the forked steel pipe column is hoisted, the steel pipe column 18 is welded, after welding is completed, the steel reinforcement cage is lifted, the steel reinforcement cage and the steel pipe column 18 are welded and fixed by a steel reinforcement rod, the steel reinforcement cage 18 is prevented from falling down, then, the steel reinforcement cage template is installed, steel plates are used for fixing steel reinforcement, and the steel reinforcement cage is in place. The construction process needs to use tower crane for matching.

And the steel pipe column 18 is hung after the finished product is inspected to be qualified, the bottom rib 14 and the gluten 17 are placed on the positioning ribs for installation, and the joint position avoids the intersecting beam opening by lap welding.

After the steel reinforcement cage of the ring beam 22 is installed and constructed, the deformation of the steel reinforcement cage is easy to cause when the frame beam is bound, so that the steel reinforcement cage is eccentric and the like, and the steel reinforcement cage is welded and connected with the steel pipe column by using the steel reinforcement rod and fixed, so that the problem of the deformation of the steel reinforcement cage can be effectively solved, and the effect of fixing the steel reinforcement cage is achieved.

2. On-site acceptance

The steel reinforcement cage of ring beam 22 is as an independent component, after the ligature shaping, can organize owner, supervision unit in advance and check it, reduces the acceptance process when later stage construction, and the main content of acceptance includes: the type, the number and the interval of the steel bars, the inner diameter and the outer diameter of the steel reinforcement cage of the ring beam, the welding seam and the like.

3. Single-piece template assembly

(1) And (5) assembling the single-piece template, and reinforcing and preventing leakage.

(2) Positioning a first template in place, positioning a second template in place, connecting and fixing, and continuously installing a third template and a fourth template.

(3) Checking diagonal and displacement of the column mould, correcting, installing the column hoop from bottom to top, making diagonal bracing, checking the installation quality, and ensuring construction safety.

(4) And (3) processing the vertical joints of the plates and the plates to form tongue-and-groove type splicing, and then adding a column hoop and a supporting system to fix the column. Note that a purge port must be reserved at the bottom of each column template, preferably 100mm x 100mm in size.

4. Ring beam concrete pouring

(1) The vibration rod is used for vibrating fully and compactly, so that the phenomena of leakage vibration, lack of vibration or excessive vibration are prevented, and the phenomena of honeycomb, pitting surface, slag inclusion and the like of the concrete are avoided.

(2) The concrete pouring process needs to be monitored by a conservation worker, and the correct size of the cross section of the concrete member after the concrete member is poured and molded is ensured, and the deviation of flatness and verticality is within +/-4 mm.

(3) The concrete pouring is to avoid staggering, the concrete pouring forming of the internal corner of the wall column beam slab is avoided to form the fillet of the fillet, the demolding time is well controlled according to the regulation, and the demolding is required to avoid the phenomenon that the concrete lacks edges and falls off the fillet.

(4) Covering and watering and curing are carried out within 12 hours after the concrete pouring is finished, and the watering time is not less than 7 days.

(5) Column template

As shown in fig. 5 and 6, the ring beam 22 of the finished concrete is connected to the reinforced concrete frame beam 20 and the concrete steel pipe column by the ring beam 22. The penetration of the beam reinforcement of the reinforced concrete frame beam 20 is performed prior to the concrete placement.

The engineering frame cylinder adopts plywood, a wood template, a square timber, phi 8 round steel, phi 14 high-strength opposite-pull screws, a hard plastic sleeve and a butterfly-type screw cap to form a column formwork system.

The cylindrical template is a whole template manufactured by adopting a 15mm thick wood template, the inside of the cylindrical template is stuck with a plywood, the vertical edges are 40mm multiplied by 90mm square, and the transverse spacing is less than or equal to 200 mm. The column hoop is formed by connecting phi 8 round steel and phi 14 high-strength screws, the distance from the first road to the ground is 230mm, the distance from the first road to the column top is 460mm, and mortar joint filling or cement nailing template strips with the thickness of 20mm are made on the floor.

The annular beam structure node steel bar binding frame body device and the annular beam construction method can well solve the accurate binding of annular beam structure node steel bars with different sizes, complex node steel bars are firmly bound, different steel bar intervals can be staggered according to the required functions, and beam steel bars in the subsequent directions are inserted in place on the annular beam nodes, so that the stress of the annular beam nodes is reliable and safe, and the like.

Economic benefit: compared with the conventional construction method, the annular beam structure node reinforcing steel bar binding frame device and the annular beam construction method provided by the invention have the advantages that more construction periods are saved in engineering projects, more management fees are saved, more labor fees, material fees and mechanical fees are saved, and the annular beam structure node reinforcing steel bar binding frame device and the annular beam construction method can be used for newly increasing profits, newly increasing tax and saving total amount of expenses for companies.

The above-mentioned embodiments of the present invention are not intended to limit the scope of the present invention, and the embodiments of the present invention are not limited thereto, and all kinds of modifications, substitutions or alterations made to the above-mentioned structures of the present invention according to the above-mentioned general knowledge and conventional means of the art without departing from the basic technical ideas of the present invention shall fall within the scope of the present invention.

Claims (10)

1. The utility model provides a ring beam structure node reinforcement support body device which characterized in that: the lower-layer cross frame device comprises an upper-layer cross frame body, a middle-layer cross frame body, a lower-layer cross frame body, a middle sliding shaft and four vertical rods, wherein the lower-layer cross frame body is horizontally arranged at the bottom of the frame body device, the four vertical rods are respectively and vertically arranged at four corners of the lower-layer cross frame body, the four vertical rods are positioned on the same circumference, the center of the circumference coincides with the center of the lower-layer cross frame body, a steel reinforcement cage of an annular beam is limited in a space surrounded by the four vertical rods during use, and the middle sliding shaft is vertically arranged at the center of the lower-layer cross frame body; the upper-layer cross frame body is positioned at the upper part of the frame body device, four corners of the upper-layer cross frame body are respectively connected with the upper parts of the four vertical rods, the center of the upper-layer cross frame body is connected with the middle sliding shaft, and the upper-layer cross frame body can be adjusted in an up-and-down sliding manner; the middle-layer cross frame body is positioned in the middle of the frame body device, four corners of the middle-layer cross frame body are respectively connected with the upper parts of the four vertical rods, the center of the middle-layer cross frame body is connected with the middle sliding shaft, and the middle-layer cross frame body can be adjusted in an up-and-down sliding mode; radial scales are respectively arranged on the upper layer cross frame body, the middle layer cross frame body and the lower layer cross frame body, the radial scales are used for marking the circumferential positions of the reinforcing steel bars of the reinforcement cage, axial scales are arranged on the middle sliding shaft, and the axial scales are used for marking the height positions of the reinforcing steel bars of the reinforcement cage.

2. The ring beam structure node reinforcement bar binding frame device of claim 1, wherein: the upper layer cross frame body, the middle layer cross frame body and the lower layer cross frame body are respectively provided with two crossed straight rods, four end parts of the crossed straight rods are respectively connected with the four vertical rods, and the crossing positions of the crossed straight rods are connected with the middle sliding shaft.

3. The ring beam structure node reinforcement bar binding frame device of claim 2, wherein: the lower-layer cross frame body is further provided with four cross bars, the four cross bars are respectively arranged on four sides of the lower-layer cross frame body, and two ends of each cross bar are respectively fixedly connected with the end parts of the straight bars.

4. The ring beam structure node reinforcement bar binding frame device of claim 1, wherein: the upper cross frame body is connected with the middle sliding shaft and the four vertical rods, and the middle cross frame body is connected with the middle sliding shaft and the four vertical rods through adjusting sliding bolts, so that up-and-down sliding adjustment of the upper cross frame body and the middle cross frame body is realized.

5. The ring beam structure node reinforcement bar binding frame device of claim 1, wherein: the upper layer cross frame body, the middle layer cross frame body, the lower layer cross frame body, the middle sliding shaft and the four vertical rods are formed by connecting galvanized steel pipes.

6. A ring beam construction method constructed by using the ring beam structure node reinforcing bar binding frame body apparatus as set forth in any one of claims 1 to 5, comprising the steps of:

s1, welding annular positioning steel bars on the outer wall of a steel pipe column connected with the annular beam structure nodes;

s2, processing and manufacturing each reinforcement part of the reinforcement cage of the ring beam;

s3, building the frame device;

s4, manufacturing the reinforcement cage of the ring beam by using the frame device, wherein the manufacturing method comprises the following steps of:

s401, adjusting the heights of the upper layer cross frame body and the middle layer cross frame body according to the design size of the reinforcement cage, wherein the upper layer cross frame body is positioned above the reinforcement cage, and the middle layer cross frame body is positioned between a shearing ring rib and a waist rib of the reinforcement cage;

s402, placing the manufactured gluten and shearing ring gluten of the reinforcement cage between the upper layer cross frame body and the middle layer cross frame body, placing the manufactured waist gluten and bottom gluten of the reinforcement cage between the middle layer cross frame body and the lower layer cross frame body, and adjusting the circumferential positions of the gluten, the shearing ring gluten, the waist gluten and the bottom gluten according to the radial scale according to a design drawing; at this time, all gluten and all shearing ring gluten are stacked together, and all waist gluten and all bottom gluten are stacked together;

s403, vertically penetrating a stirrup group of the reinforcement cage, wherein the stirrup group comprises a plurality of stirrups with different sizes and positioned at different circumferential positions, and the stirrups are arranged according to the design positions;

s404, respectively lifting the gluten, the shearing ring rib, the waist rib and the bottom rib to set heights according to the design drawing and the axial scale, and binding with the stirrup;

s405, binding a drag hook of the reinforcement cage to finish manufacturing the reinforcement cage;

s406, hanging the manufactured reinforcement cage out of the frame body device, and moving the reinforcement cage to an external place for storage;

s5, hoisting the reinforcement cage to the design position where the positioning reinforcement is located on site, performing concrete pouring, and finally completing construction of the annular beam.

7. The ring beam construction method according to claim 6, wherein: the binding sequence of stirrups of the stirrup group is from small to large in sequence, and the binding sequence of gluten, shear ring ribs, waist ribs and bottom ribs is from large diameter to small diameter in sequence.

8. The ring beam construction method according to claim 6, wherein: in step S404, the middle cross frame body and the middle sliding shaft are removed after binding is completed.

9. The ring beam construction method according to claim 6, wherein: in step S5, before the steel pipe column is fixed, the reinforcement cage is sleeved on the steel pipe column, then the steel pipe column is welded and fixed, and then the reinforcement cage is lifted to a set position for welding and fixing.

10. The ring beam construction method according to claim 9, wherein: and the steel reinforcement cage and the steel pipe column are welded through a steel reinforcement rod.

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