CN117569453A - A construction method for frame beams mixed with reinforced concrete and steel structures - Google Patents
A construction method for frame beams mixed with reinforced concrete and steel structures Download PDFInfo
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- CN117569453A CN117569453A CN202311680392.6A CN202311680392A CN117569453A CN 117569453 A CN117569453 A CN 117569453A CN 202311680392 A CN202311680392 A CN 202311680392A CN 117569453 A CN117569453 A CN 117569453A
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- frame
- steel
- reinforced concrete
- plate
- secondary beam
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/30—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts being composed of two or more materials; Composite steel and concrete constructions
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
- E04B5/18—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly cast between filling members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
- E04B5/18—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly cast between filling members
- E04B5/19—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly cast between filling members the filling members acting as self-supporting permanent forms
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
- E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
- E04B5/29—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated the prefabricated parts of the beams consisting wholly of metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
本发明公开了一种钢筋混凝土和钢结构混合的框架梁的施工方法，包括：步骤S1，在框架钢筋混凝土主梁的下部两侧搭设脚手架；步骤S2，在框架钢筋混凝土主梁安装其梁底模以及其梁底钢筋绑扎；步骤S3，在地面把待安装的框架钢次梁两端或一端安装可调连接装置；步骤S4，吊装同一轴线的第一框架钢次梁；步骤S5，吊装第一框架钢次梁两端的第二框架钢次梁，通过第一框架钢次梁两端的可调连接装置调整框架钢次梁平面位置；步骤S6，安装其他轴线的框架钢次梁；步骤S7，绑扎框架钢筋混凝土主梁上部钢筋及箍筋，并支设梁侧模板，铺设楼承板及绑扎楼承板钢筋；步骤S8，浇注框架钢筋混凝土主梁及楼承板混凝土。一次性浇注，节约了工期。
The invention discloses a construction method of a frame beam mixed with reinforced concrete and steel structure, which includes: step S1, setting up scaffolding on both sides of the lower part of the reinforced concrete main beam of the frame; step S2, installing the beam bottom on the reinforced concrete main beam of the frame The formwork and the steel bars at the bottom of the beam are tied; Step S3, install adjustable connecting devices on both ends or one end of the frame steel secondary beam to be installed on the ground; Step S4, hoist the first frame steel secondary beam on the same axis; Step S5, hoist the second frame steel secondary beam. The second frame steel secondary beams at both ends of the first frame steel secondary beam adjust the plane position of the frame steel secondary beam through the adjustable connection devices at both ends of the first frame steel secondary beam; Step S6, install the frame steel secondary beams of other axes; Step S7, Bind the upper steel bars and stirrups of the frame's reinforced concrete main beam, support the beam side formwork, lay the floor deck and tie the floor deck steel bars; step S8, pour the frame's reinforced concrete main beam and floor deck concrete. One-time pouring saves the construction period.
Description
Technical Field
The invention relates to a construction method of a frame beam with reinforced concrete and steel structure mixed.
Background
In order to meet the requirements of green energy conservation and low carbon and environmental protection, the prior fabricated building is more and more widely applied, and has a reinforced concrete fabricated structure and a steel structure fabricated structure, compared with the two fabricated structures, the reinforced concrete fabricated structure has the advantages of low manufacturing cost and good fireproof performance, but long construction period, and the steel structure fabricated structure has the advantages of short construction time, high manufacturing cost and poor fireproof performance, so that part of building design adopts a frame structure with reinforced concrete and steel structure mixed, such as a frame column and a frame girder adopt reinforced concrete, and a frame secondary beam adopts a steel structure.
For this structure, the traditional construction method is: and in the process of binding the reinforcing steel bars on the reinforced concrete frame girder, installing the frame steel structure secondary beam embedded part in an inserting way, removing the template after the frame girder concrete pouring and curing are completed, exposing the embedded part, hoisting the frame steel structure secondary beam after measuring and paying off, connecting the frame steel structure secondary beam with the embedded part by using a connecting plate, paving a floor bearing plate and the reinforcing steel bars on the upper part of the girder, and pouring floor slab concrete. The construction method has the following defects: 1. the secondary beam of the frame steel structure can be installed after the maintenance of the reinforced concrete frame main beam reaches the strength; 2. and the concrete needs to be poured twice, namely, the reinforced concrete frame main beam is cast once and the floor slab is cast once.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a construction method of a reinforced concrete and steel structure mixed frame beam, which is used for casting at one time, so that the construction period is saved.
The technical scheme for achieving the purpose is as follows:
a method of constructing a frame beam of a reinforced concrete and steel structure mix comprising:
step S1, setting up scaffolds on two sides of the lower part of a reinforced concrete girder of a frame;
s2, installing a beam bottom die and binding beam bottom steel bars of the frame reinforced concrete main beam;
s3, installing adjustable connecting devices at two ends or one end of a frame steel secondary beam to be installed on the ground;
s4, hoisting a first frame steel secondary beam with the same axis;
s5, hoisting second frame steel secondary beams at two ends of the first frame steel secondary beam, and adjusting the plane positions of the frame steel secondary beams through the adjustable connecting devices at two ends of the first frame steel secondary beam;
s6, repeating the steps S1-S5, and installing the frame steel secondary beams with other axes;
step S7, binding upper steel bars and stirrups of the frame reinforced concrete main beams, supporting beam side templates, paving floor support plates and binding floor support plate steel bars;
and S8, pouring the frame reinforced concrete girder and the floor support plate concrete.
Preferably, in the step S3, before the first frame steel secondary beam is hoisted, two adjustable connection devices are respectively installed at two ends of the first frame steel secondary beam on the ground through high-strength bolts, and before the second frame steel secondary beam at two ends of the first frame steel secondary beam is hoisted, one adjustable connection device is installed at the left end or the right end of the second frame steel secondary beam on the ground through high-strength bolts.
Preferably, in the step S4 and the step S5, after the frame steel secondary beam is in place, the frame steel secondary beam is temporarily supported on the scaffolds on both sides of the frame reinforced concrete main beam.
Preferably, in the step S4, a first frame steel secondary beam is temporarily fixed on the scaffold at both sides of the frame reinforced concrete main beam by manufacturing a first frame steel secondary beam positioning plate;
the frame steel secondary beam locating plate comprises: the scaffold comprises a bottom plate and a vertical plate, wherein the bottom plate is horizontally arranged, the vertical plate is arranged above the bottom plate, the length direction of the vertical plate is consistent with the length direction of the bottom plate, the vertical plate is positioned on two sides of the width direction of the bottom plate, and the bottom plate is fixed on the scaffold through bolts.
Preferably, in the step S5, the plane positions of the second frame steel secondary beams at the two ends of the first frame steel secondary beam are adjusted by the adjustable connection device at the end of the first frame steel secondary beam, and the second frame steel secondary beam is temporarily fixed on the installed first frame steel secondary beam.
Preferably, the adjustable connection means comprises: the adjustable movable connecting piece and the non-adjustable movable connecting piece, the adjustable movable connecting piece is fixed on the first frame steel secondary beam or the second frame steel secondary beam, the adjustable movable connecting piece is connected with the non-adjustable movable connecting piece through four screws, one end of each screw is threaded and connected with the adjustable movable connecting piece, and the other end of each screw is welded with a protruding circular ring and connected with the non-adjustable movable connecting piece.
Preferably, the adjustable mobile connection comprises: the novel screw bolt comprises a first steel plate, a first screw bolt sleeve, a first anchor bar and a first connecting steel plate, wherein threads inside the first screw bolt sleeve are matched with screws, the first screw bolt sleeve is welded at four corner positions of the first steel plate, the first connecting steel plate is welded at the middle position of the first steel plate, holes are formed in the first connecting steel plate, high-strength bolts penetrate through the holes of the first connecting steel plate and are connected with a first frame steel secondary beam or a second frame steel secondary beam, and the first anchor bar is welded between the first screw bolt sleeves on two sides of the first steel plate and is arranged in parallel with the first connecting steel plate.
Preferably, one end of the screw thread can rotate in the first screw sleeve and horizontally move.
Preferably, the non-adjustable mobile connection comprises: the novel steel plate structure comprises a second steel plate, a second screw rod sleeve, second anchor bars and second connecting steel plates, wherein grooves are formed in the second screw rod sleeve and matched with the screws, the second screw rod sleeve is welded at four corner positions of the second steel plate, the second connecting steel plates are welded at the middle positions of the second steel plate, holes are formed in the second connecting steel plates, high-strength bolts penetrate through the holes of the second connecting steel plates and are connected with the first frame steel secondary beams or the second frame steel secondary beams, and the second anchor bars are welded between the second screw rod sleeves on two sides of the second steel plate and are arranged in parallel with the second connecting steel plates.
Preferably, one end of the screw welding protruding circular ring can rotate in the second screw sleeve and cannot move horizontally.
The beneficial effects of the invention are as follows: the invention saves the maintenance time of the frame reinforced concrete girder, improves the embedded part into an adjustable connecting device, connects the adjustable connecting device with the frame steel secondary girder on the ground, temporarily supports the frame steel secondary girder on scaffolds on two sides of the frame reinforced concrete girder after the frame steel secondary girder is in place, has high construction efficiency, reduces overhead operation, has small potential safety hazard, and ensures the accurate installation position of the frame steel secondary girder by arranging the adjustable connecting device at the end part of the frame steel secondary girder; before pouring concrete, the frame steel secondary beams on the same floor are connected together through the adjustable connecting devices at the two ends of the frame steel secondary beams to form a whole, so that the problem that before concrete pouring, the frame steel secondary beams are firmly positioned, the looseness caused by the disturbance of high-strength bolts at the connecting positions of the frame steel secondary beams in the next working procedure can be prevented, the installation quality is ensured, and the frame reinforced concrete main beams and the building carrier plates are simultaneously subjected to concrete pouring, so that the construction period is saved.
Drawings
Fig. 1 is a flow chart of a method of constructing a reinforced concrete and steel structure hybrid frame beam of the present invention;
FIG. 2 is a top view of a frame structure arrangement of the present invention in which reinforced concrete and steel structures are mixed;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
fig. 4 is a plan view showing the construction of scaffolds on both sides of the lower part of the reinforced concrete girder of the frame according to the present invention;
FIG. 5 is a section B-B of FIG. 4;
FIG. 6 is a top view of the present invention with the beam bottom form installed on the framed reinforced concrete main beam and with the beam bottom reinforcement tie;
FIG. 7 is a cross-sectional view taken along line C-C of FIG. 6;
FIG. 8 is a cross-sectional view of the present invention with the frame steel secondary beam and adjustable attachment installed on the ground;
FIG. 9 is a top view of a first frame steel secondary beam of the present invention hoisted;
FIG. 10 is a cross-sectional view taken along line D1-D1 of FIG. 9;
FIG. 11 is a top view of a second frame steel secondary beam of the present invention lifting both ends of the first frame steel secondary beam;
FIG. 12 is a cross-sectional view taken along line D2-D2 of FIG. 11;
FIG. 13 is a top view of a lashing frame reinforced concrete main beam upper reinforcement and stirrups, supporting beam side templates, laying floor deck and lashing floor deck reinforcement in accordance with the present invention;
FIG. 14 is a section E-E of FIG. 13;
FIG. 15 is a top view of a cast-in-frame reinforced concrete girder and deck concrete of the present invention;
FIG. 16 is a section F-F of FIG. 15;
FIG. 17 is a schematic view of an adjustable connection of the present invention;
FIG. 18 is a schematic view of an adjustable mobile connector of the present invention;
FIG. 19 is a section G-G of FIG. 18;
FIG. 20 is a schematic view of a non-adjustable mobile connector of the present invention;
FIG. 21 is a section H-H of FIG. 20;
FIG. 22 is a schematic view of a screw according to the present invention.
In the figure: 1. a frame reinforced concrete column; 2. a frame reinforced concrete girder; 3. a frame steel secondary beam; 3-1, a first frame steel secondary beam; 3-2, a second frame steel secondary beam; 4. a scaffold; 5. a bottom die of the frame reinforced concrete girder; 6. frame reinforced concrete girder bottom steel bar; 7. an adjustable connection device; 7-1, an adjustable mobile connection; 7-2, an unadjustable mobile connection; 7-3, a screw rod; 8. frame reinforced concrete girder side templates; 7-1-1, a first steel plate; 7-1-2, a first screw sleeve; 7-1-3, a first anchor bar; 7-1-4, a first connecting steel plate; 7-2-1, a second steel plate; 7-2-2, a second screw sleeve; 7-2-3, second anchor bars; 7-2-4, a second connecting steel plate; 9. reinforcing steel bars and stirrups; 10. floor support plate; 11. reinforcing steel bars of floor support plates; 12. floor support plate concrete.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying positive importance.
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, a construction method of a frame beam in which reinforced concrete and a steel structure are mixed includes:
and S1, setting up scaffolds 4 on two sides of the lower part of the frame reinforced concrete girder 2 supported by the frame reinforced concrete column 1, as shown in figures 2-5.
And S2, installing a frame reinforced concrete girder bottom die 5 and a frame reinforced concrete girder bottom steel bar 6 on the frame reinforced concrete girder 2 for binding, as shown in figures 6 and 7.
And S3, installing adjustable connecting devices 7 at two ends or one end of the frame steel secondary beam 3 to be installed on the ground.
In the embodiment, before the first frame steel secondary beam 3-1 is hoisted, two adjustable connecting devices 7 are respectively installed at two ends of the first frame steel secondary beam 3-1 on the ground through high-strength bolts, before the second frame steel secondary beam 3-2 at two ends of the first frame steel secondary beam 3-1 is hoisted, one adjustable connecting device 7 is installed at the left end or the right end of the second frame steel secondary beam 3-2 on the ground through high-strength bolts, as shown in fig. 8, the construction efficiency is high, the high quality of high-altitude operation is reduced, and the potential safety hazard is small.
And S4, hoisting the first frame steel secondary beams 3-1 with the same axis, as shown in figures 9 and 10.
S5, hoisting second frame steel secondary beams 3-2 at two ends of the first frame steel secondary beam 3-1, and adjusting the plane positions of the frame steel secondary beams through adjustable connecting devices 7 at two ends of the first frame steel secondary beam 3-1, as shown in figures 11 and 12; before concrete is poured, the frame steel secondary beams 3 on the same floor are connected together through the adjustable connecting devices 7 at the two ends of the frame steel secondary beams to form a whole, so that looseness caused by disturbance of high-strength bolts at the connecting positions of the frame steel secondary beams in the next working procedure (such as concrete pouring and the like) can be prevented, and the installation quality is guaranteed.
As shown in fig. 17-22, the adjustable connection means 7 comprises: the adjustable movable connecting piece 7-1 and the non-adjustable movable connecting piece 7-2, wherein the adjustable movable connecting piece 7-1 is fixed on the first frame steel secondary beam 3-1 or the second frame steel secondary beam 3-2, the adjustable movable connecting piece 7-1 is connected with the non-adjustable movable connecting piece 7-2 through four screw rods 7-3, one end of each screw rod 7-3 is threaded, the other end of each screw rod is connected with the adjustable movable connecting piece 7-1, and the other end of each screw rod is welded with a protruding circular ring and is connected with the non-adjustable movable connecting piece 7-2.
In an embodiment, the adjustable mobile connection 7-1 comprises: the first steel plate 7-1-1, the first screw sleeve 7-1-2, the first anchor bar 7-1-3 and the first connecting steel plate 7-1-4, wherein threads inside the first screw sleeve 7-1-2 are matched with the screws 7-3, the first screw sleeve 7-1-2 is welded at four corner positions of the first steel plate 7-1-1, the first connecting steel plate 7-1-4 is welded at the middle position of the first steel plate 7-1-1, holes are formed in the first connecting steel plate 7-1-4, high-strength bolts penetrate through the holes of the first connecting steel plate 7-1-4 and are connected with the first frame steel secondary beam 3-1 or the second frame steel secondary beam 3-2, and the first anchor bar 7-1-3 is welded between the first screw sleeves 7-1-2 on two sides of the first steel plate 7-1-1 and is arranged parallel to the first connecting steel plate 7-1-4.
In an embodiment, one end of the screw 7-3 is rotatable in the first screw sleeve 7-1-2 and horizontally movable.
In an embodiment, the non-adjustable mobile connection 7-2 comprises: the second steel plate 7-2-1, the second screw sleeve 7-2-2, the second anchor bar 7-2-3 and the second connecting steel plate 7-2-4, grooves are formed in the second screw sleeve 7-2-2 and matched with the screws 7-3, the second screw sleeve 7-2-2 is welded at four corner positions of the second steel plate 7-2-1, the second connecting steel plate 7-2-4 is welded at the middle position of the second steel plate 7-2-1, holes are formed in the second connecting steel plate 7-2-4, high-strength bolts penetrate through the holes of the second connecting steel plate 7-2-4 and are connected with the first frame steel secondary beam 3-1 or the second frame steel secondary beam 3-2, and the second anchor bar 7-2-3 is welded between the second screw sleeves 7-2-2 on two sides of the second steel plate 7-2-1 and is arranged parallel to the second connecting steel plate 7-2-4.
In the embodiment, one end of the welding convex circular ring of the screw rod 7-3 can rotate in the second screw rod sleeve 7-2-2 and cannot horizontally move.
In the embodiment, the first frame steel secondary beam 3-1 is temporarily fixed on scaffolds 4 on two sides of the frame reinforced concrete main beam 2 by manufacturing a first frame steel secondary beam positioning plate; the frame steel secondary beam locating plate includes: the bottom plate that the level set up and the riser of locating the bottom plate top, the length direction of riser is unanimous with the length direction of bottom plate to be located bottom plate width direction's both sides, the bottom plate passes through the bolt fastening on scaffold 4.
In the embodiment, the plane position of the second frame steel secondary beam 3-2 at the two ends of the first frame steel secondary beam 3-1 is adjusted through the adjustable connecting device 7 at the end part of the first frame steel secondary beam 3-1, and is temporarily fixed on the installed first frame steel secondary beam 3-1.
In the embodiment, after the frame steel secondary beams 3 are in place, the frame steel secondary beams 3 are temporarily supported on scaffolds 4 on two sides of the frame reinforced concrete main beam 2; specifically, one end of the adjustable connecting device is initially connected with an adjustable connecting device 7 at the end part of the installed first frame steel secondary beam 3-1, then a screw rod 7-3 is rotated by a wrench, the position of the second frame steel secondary beam 3-2 at the two ends of the first frame steel secondary beam 3-1 is accurately adjusted, after the position correction is accurate, the second frame steel secondary beam 3-2 is fixed on the installed second frame steel secondary beam 3-2 through the adjustable connecting device 7, and the problem that the frame steel secondary beam 3 is firmly positioned before concrete pouring is solved.
And S6, repeating the steps S1 to S5, and installing the frame steel secondary beams 3 with other axes.
Step S7, binding the upper steel bars and the stirrups 9 of the frame reinforced concrete main beam 1, supporting the beam side templates 8, and paving the floor support plates 10 and binding the floor support plate steel bars 11, as shown in figures 13 and 14.
And S8, pouring the reinforced concrete main beam 2 of the frame and the floor support plate 10, and performing water spraying maintenance to form the floor support plate concrete 12, as shown in figures 15 and 16.
The conventional construction method is to embed embedded parts into the frame reinforced concrete main beams 2 to cast concrete, and install the frame steel secondary beams 3 after the concrete is cured to reach the strength. In addition, the adjustable connecting device 7 is arranged at the end part of the frame steel secondary beam, so that the accurate installation position of the frame steel secondary beam 3 is ensured; before pouring concrete, the frame steel secondary beams 3 on the same floor are connected together through the adjustable connecting devices 7 at the two ends of the frame steel secondary beams to form a whole, so that looseness caused by disturbance of high-strength bolts at the connecting positions of the frame steel secondary beams in the next working procedure (such as pouring concrete) can be prevented, and the installation quality is guaranteed.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (10)
1. A method of constructing a frame beam of a reinforced concrete and steel structure mix comprising:
step S1, setting up scaffolds (4) on two sides of the lower part of a frame reinforced concrete girder (2);
s2, installing a frame reinforced concrete girder bottom die (5) and binding frame reinforced concrete girder bottom steel bars (6) on the frame reinforced concrete girder (2);
s3, installing adjustable connecting devices (7) at two ends or one end of a frame steel secondary beam (3) to be installed on the ground;
s4, hoisting a first frame steel secondary beam (3-1) with the same axis;
s5, hoisting second frame steel secondary beams (3-2) at two ends of the first frame steel secondary beam (3-1), and adjusting the plane positions of the frame steel secondary beams through the adjustable connecting devices (7) at two ends of the first frame steel secondary beam (3-1);
s6, repeating the steps S1-S5, and installing the frame steel secondary beams (3) with other axes;
step S7, binding upper steel bars and stirrups (9) of the frame reinforced concrete main beam (1), supporting a beam side template (8), laying a floor support plate (10) and binding floor support plate steel bars (11);
and S8, pouring the reinforced concrete main beam (2) of the frame and the concrete of the floor support plate (10).
2. The construction method of the reinforced concrete and steel structure mixed frame beam according to claim 1, wherein in the step S3, before the first frame steel secondary beam (3-1) is lifted, two adjustable connection devices (7) are respectively installed at two ends of the first frame steel secondary beam (3-1) on the ground through high-strength bolts, and before the second frame steel secondary beam (3-2) at two ends of the first frame steel secondary beam (3-1) is lifted, one adjustable connection device (7) is installed at the left end or the right end of the second frame steel secondary beam (3-2) on the ground through high-strength bolts.
3. The method for constructing the frame beam with the mixed reinforced concrete and steel structure according to claim 1, wherein in the step S4 and the step S5, after the frame steel secondary beam (3) is in place, the frame steel secondary beam (3) is temporarily supported on the scaffolds (4) at two sides of the frame reinforced concrete main beam (2).
4. A method of constructing a reinforced concrete and steel structure hybrid frame beam according to claim 3, wherein in step S4, a first frame steel secondary beam (3-1) is temporarily fixed to the scaffolding (4) on both sides of the frame reinforced concrete main beam (2) by making a first frame steel secondary beam positioning plate;
the frame steel secondary beam locating plate comprises: the scaffold comprises a bottom plate and a vertical plate, wherein the bottom plate is horizontally arranged, the vertical plate is arranged above the bottom plate, the length direction of the vertical plate is consistent with the length direction of the bottom plate, the vertical plate is positioned on two sides of the width direction of the bottom plate, and the bottom plate is fixed on the scaffold (4) through bolts.
5. A method of constructing a reinforced concrete and steel structure hybrid frame beam according to claim 3, wherein in said step S5, the planar position of said second frame steel sub-beams (3-2) at both ends of said first frame steel sub-beam (3-1) is adjusted by said adjustable connection means (7) at the end of said first frame steel sub-beam (3-1) and temporarily fixed to said first frame steel sub-beam (3-1) which has been installed.
6. A method of construction of a reinforced concrete and steel structure hybrid frame beam according to claim 5, characterized in that the adjustable connection means (7) comprises: the adjustable movable connecting piece (7-1) and the non-adjustable movable connecting piece (7-2), wherein the adjustable movable connecting piece (7-1) is fixed on the first frame steel secondary beam (3-1) or the second frame steel secondary beam (3-2), the adjustable movable connecting piece (7-1) is connected with the non-adjustable movable connecting piece (7-2) through four screws (7-3), one end of the screw (7-3) is threaded, connected with the adjustable movable connecting piece (7-1), and the other end of the screw is welded with a protruding circular ring, and connected with the non-adjustable movable connecting piece (7-2).
7. A method of constructing a reinforced concrete and steel structure hybrid frame beam according to claim 6, characterized in that the adjustable mobile connection (7-1) comprises: the novel steel structure comprises a first steel plate (7-1-1), a first screw sleeve (7-1-2), a first anchor rib (7-1-3) and a first connecting steel plate (7-1-4), wherein a thread inside the first screw sleeve (7-1-2) is matched with the screw (7-3), the first screw sleeve (7-1-2) is welded at four corner positions of the first steel plate (7-1-1), the first connecting steel plate (7-1-4) is welded at the middle position of the first steel plate (7-1-1), a hole is formed in the first connecting steel plate (7-1-4), a high-strength bolt penetrates through the hole of the first connecting steel plate (7-1-4) to be connected with the first frame steel secondary beam (3-1) or the second frame steel secondary beam (3-2), the first anchor rib (7-1-3) is welded between the first steel sleeves (7-1-1) on two sides of the first steel plate (7-1-1) and the first steel plate (7-1-4) is arranged in parallel.
8. A method of constructing a reinforced concrete and steel structure hybrid frame beam according to claim 7, wherein the screw (7-3) is turned with one end rotatable in the first screw sleeve (7-1-2) and horizontally movable.
9. A method of constructing a reinforced concrete and steel structure hybrid frame beam according to claim 6, characterized in that the non-adjustable mobile connection (7-2) comprises: the steel plate structure comprises a second steel plate (7-2-1), a second screw sleeve (7-2-2), a second anchor bar (7-2-3) and a second connecting steel plate (7-2-4), wherein a groove is formed in the second screw sleeve (7-2-2) and matched with the screw (7-3), the second screw sleeve (7-2-2) is welded at four corner positions of the second steel plate (7-2-1), the second connecting steel plate (7-2-4) is welded at the middle position of the second steel plate (7-2-1), a hole is formed in the second connecting steel plate (7-2-4), a high-strength bolt is penetrated in the hole of the second connecting steel plate (7-2-4) and is connected with the first frame steel secondary beam (3-1) or the second frame steel secondary beam (3-2), and the second anchor bar (7-2-3) is welded between the second steel sleeves (7-2-1) on two sides of the second steel plate (7-2-1), and the second steel plate (7-2-4) is arranged in parallel.
10. A method of constructing a reinforced concrete and steel structure hybrid frame beam according to claim 9, wherein one end of the screw (7-3) welded protruding ring is rotatable in the second screw sleeve (7-2-2) and cannot move horizontally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311680392.6A CN117569453A (en) | 2023-12-08 | 2023-12-08 | A construction method for frame beams mixed with reinforced concrete and steel structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311680392.6A CN117569453A (en) | 2023-12-08 | 2023-12-08 | A construction method for frame beams mixed with reinforced concrete and steel structures |
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| CN117569453A true CN117569453A (en) | 2024-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311680392.6A Withdrawn CN117569453A (en) | 2023-12-08 | 2023-12-08 | A construction method for frame beams mixed with reinforced concrete and steel structures |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203604822U (en) * | 2013-10-23 | 2014-05-21 | 杨扬 | Connecting piece with adjustable length |
| CN113846757A (en) * | 2021-10-29 | 2021-12-28 | 中机国能电力工程有限公司 | A kind of rigid joint of reinforced concrete frame beam and steel secondary beam and construction method |
| CN216195446U (en) * | 2021-11-03 | 2022-04-05 | 中机中联工程有限公司 | Rigid connection joint structure of steel secondary beam and precast concrete main beam |
| CN218437691U (en) * | 2022-09-02 | 2023-02-03 | 中信建筑设计研究总院有限公司 | Light-duty assembled superstructure system for reinforced concrete frame |
| CN219343706U (en) * | 2022-12-20 | 2023-07-14 | 广州工程总承包集团有限公司 | Connecting device for storage concrete frame beam and steel secondary beam |
| CN219712034U (en) * | 2022-09-21 | 2023-09-19 | 苏州优固汽车零部件有限公司 | Combined structure of ball head seat and ball head rod with adjustable distance |
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2023
- 2023-12-08 CN CN202311680392.6A patent/CN117569453A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203604822U (en) * | 2013-10-23 | 2014-05-21 | 杨扬 | Connecting piece with adjustable length |
| CN113846757A (en) * | 2021-10-29 | 2021-12-28 | 中机国能电力工程有限公司 | A kind of rigid joint of reinforced concrete frame beam and steel secondary beam and construction method |
| CN216195446U (en) * | 2021-11-03 | 2022-04-05 | 中机中联工程有限公司 | Rigid connection joint structure of steel secondary beam and precast concrete main beam |
| CN218437691U (en) * | 2022-09-02 | 2023-02-03 | 中信建筑设计研究总院有限公司 | Light-duty assembled superstructure system for reinforced concrete frame |
| CN219712034U (en) * | 2022-09-21 | 2023-09-19 | 苏州优固汽车零部件有限公司 | Combined structure of ball head seat and ball head rod with adjustable distance |
| CN219343706U (en) * | 2022-12-20 | 2023-07-14 | 广州工程总承包集团有限公司 | Connecting device for storage concrete frame beam and steel secondary beam |
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Application publication date: 20240220 |