CN110805203A - Rapid construction method for Delta-shaped steel beam matched prefabricated column with hidden connecting piece - Google Patents
Rapid construction method for Delta-shaped steel beam matched prefabricated column with hidden connecting piece Download PDFInfo
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- CN110805203A CN110805203A CN201911108474.7A CN201911108474A CN110805203A CN 110805203 A CN110805203 A CN 110805203A CN 201911108474 A CN201911108474 A CN 201911108474A CN 110805203 A CN110805203 A CN 110805203A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 136
- 239000010959 steel Substances 0.000 title claims abstract description 136
- 238000010276 construction Methods 0.000 title claims abstract description 54
- 238000004873 anchoring Methods 0.000 claims description 37
- 238000005520 cutting process Methods 0.000 claims description 24
- 230000000149 penetrating effect Effects 0.000 claims description 17
- 230000003014 reinforcing effect Effects 0.000 claims description 17
- 238000013461 design Methods 0.000 claims description 11
- 230000002787 reinforcement Effects 0.000 claims description 8
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 4
- 230000010412 perfusion Effects 0.000 claims description 4
- 238000003860 storage Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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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
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4157—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head
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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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5806—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile
- E04B1/5818—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile of substantially U - form
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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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/941—Building elements specially adapted therefor
- E04B1/943—Building elements specially adapted therefor elongated
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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
- E04G21/185—Means for positioning building parts or elements for anchoring elements or elements to be incorporated in the structure
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a rapid construction method for a Delta-shaped steel beam matched prefabricated column with a hidden connecting piece, which comprises the following steps of: the method comprises the following steps that a hidden connecting piece is embedded in a prefabricated column, the hidden connecting piece comprises a base, a bracket bearing assembly and a limiting gasket which are sequentially connected, the orthographic projection area of the limiting gasket is larger than that of the bracket bearing assembly, and the orthographic projection of the limiting gasket completely covers the orthographic projection of the bracket bearing assembly; vertically fixing a plurality of prefabricated columns with hidden connecting pieces on the ground or the floor; hoist the girder steel, the girder steel both ends are equipped with the connecting seat, open on the connecting seat have with the breach that bracket bearing assembly cooperation is connected, the breach is located on the terminal surface of girder steel and communicates with the external world, and it is fixed with the cooperation of prefabricated post to realize the girder steel through bracket bearing assembly and breach cover pin junction, and spacing gasket will restrict both relative motion on the horizontal direction after cooperation fixed connection. The invention can complete fixation only by lapping, has simple and convenient operation, high construction speed and low requirement on site storage conditions.
Description
Technical Field
The invention belongs to the technical field of constructional engineering, and particularly relates to a quick construction method for a Delta-shaped steel beam matched prefabricated column with a hidden connecting piece.
Background
With the development of modern industrial technology, building houses can be manufactured in batches and sets like machine production. The prefabricated house components are transported to a construction site for assembly, and construction of the construction site is simplified. Fitted buildings began to attract interest in the early 20 th century and were realized over the final sixties. The first attempts made in English, French, Soviet Union, etc. The assembly type building has high construction speed and low production cost, and is rapidly popularized and developed all over the world.
Related planning on the assembly buildings is intensively provided since 2015 in China, an industrial building evaluation standard is issued at the end of 2015, the overall popularization of the assembly buildings in 2016 is determined, and breakthrough progress is achieved; the building department of 11/14 th of 2015 provides a 'building industry modernization development outline' plan until 2020 the proportion of the assembled building in the newly-built building is more than 20%, and the proportion of the assembled building in the new building is more than 50% in 2025.
In the present year, the development of domestic assembly type buildings is extremely rapid, but in order to enable the buildings to achieve ideal stability and integrity, the requirements on field assembly connecting pieces for main bearing construction are high, and how to realize good lap joint of main bearing components is a main challenge facing the existing assembly type buildings. CN 207672861U discloses a girder steel, girder steel coupling assembling and floor assembly devices, though it has improved the problem that prior art girder steel occupies the floor height to a certain extent, connecting piece through hollow portion matching in shape and the girder steel is pegged graft with girder steel hollow portion and is realized girder steel and girder steel coupling assembling's fixed, consolidate it simultaneously and avoid girder steel and girder steel coupling assembling to take place the stability that relative displacement influences the structure in the horizontal direction through the bolt, but its operating procedure is comparatively loaded down with trivial details, consuming time power, will greatly influence the quick overlap joint of girder steel and girder steel coupling assembling.
Therefore, the development of the rapid construction method for the fabricated building, which is simple and convenient to operate, saves time and labor, has great practical significance.
Disclosure of Invention
The invention aims to overcome the defects of more complicated fixing operation steps, time consumption and labor consumption in the prior art, and provides a rapid construction method for an assembly type building, which is simple and convenient to operate, time-saving and labor-saving.
In order to achieve the purpose, the invention provides the following technical scheme:
the quick construction method of the Delta-shaped steel beam matched prefabricated column with the hidden connecting piece comprises the following steps:
(1) pre-embedding the hidden connecting piece in the prefabricated column to obtain the prefabricated column with the hidden connecting piece;
the hidden connecting piece comprises a base, a bracket bearing component and a limiting gasket which are sequentially connected, wherein concave-convex matching structures matched with each other are arranged on the joint surface of the base and the bracket bearing component;
the joint surfaces of the base and the bracket bearing component are provided with concave-convex matching structures which are matched with each other;
the orthographic projection area of the limiting gasket is larger than that of the bracket bearing assembly, and the orthographic projection of the limiting gasket completely covers the orthographic projection of the bracket bearing assembly;
the side surface of the base is connected with an anchoring steel bar;
an anchoring steel bar and a base are fixed in the prefabricated column, and the bracket bearing assembly and the limiting gasket are exposed outside the prefabricated column and are positioned on the column body of the prefabricated column;
(2) vertically fixing a plurality of prefabricated columns with the hidden connecting pieces on the ground or the floor, wherein the distance between the prefabricated columns with the hidden connecting pieces is arranged according to the design;
(3) hoisting the Delta-shaped steel beam to enable the Delta-shaped steel beam to be matched with prefabricated columns with hidden connecting pieces on two sides to be fixed in a sleeving and pinning mode;
the connecting seats are arranged at two ends of the Delta-shaped steel beam, the connecting seats are provided with U-shaped notches matched and connected with the bracket bearing assembly, the U-shaped notches are located on the end face of the Delta-shaped steel beam and communicated with the outside, the Delta-shaped steel beam is fixed in a matched mode with the U-shaped notches to be fixed in a matched mode with the prefabricated column with the hidden connecting piece, and the limiting gasket is matched and fixedly connected with the bracket bearing assembly to limit the relative movement of the Delta-shaped steel beam and the prefabricated column in the horizontal direction.
According to the rapid construction method for the prefabricated column with the Delta-shaped steel beams and the hidden connecting pieces, the Delta-shaped steel beams with special structures are matched with the hidden connecting pieces on the prefabricated column, the connection form of the Delta-shaped steel beams is similar to that of a mortise and tenon joint structure, the bracket bearing assembly is buckled on the U-shaped notch, the buckling operation is convenient, time and labor are saved, the assembly efficiency of the assembly type building can be greatly improved, the limiting gasket can be used for reinforcing the two after the positioning is fixed, the structure is firm, and the reliability is good. The prefabricated column and the Delta-shaped steel beam are prefabricated in a factory, and are transported to the site for construction when construction is needed, so that the construction speed is high, the site storage requirement is low (the storage pressure of raw materials is low), and the prefabricated column and the Delta-shaped steel beam are particularly suitable for construction in modern cities. The rapid construction method can also be used for the construction of pure steel structures, namely the concrete prefabricated column in the invention is changed into a steel column, the steel column can be a hollow structure, and after the steel column is connected with a beam structure, concrete can be poured into the steel column, so that the structural strength of the steel column is improved.
As a preferred technical scheme:
according to the rapid construction method for the Delta-shaped steel beam matched prefabricated column with the hidden connecting piece, the orthographic projection area of the base is larger than that of the bracket bearing component, and the orthographic projection of the base completely covers the orthographic projection of the bracket bearing component;
the base is of a cuboid structure;
the bracket bearing assembly mainly comprises a cubic structure I and a cylindrical cutting body positioned at one end of the cubic structure I, wherein the cutting surface of the cylindrical cutting body is parallel to the axis, the height of the cubic structure I is the same as that of the cylindrical cutting body, the cubic structure I is connected with the cutting surface of the cylindrical cutting body, and the connecting surfaces of the cubic structure I and the cylindrical cutting body are completely attached and have the same area;
the limiting gasket is of a plane symmetrical structure and mainly comprises a rectangular sheet and two bulges positioned on two sides of a long edge of the rectangular sheet, the shapes and the sizes of the two bulges are the same, the bulges are of an isosceles trapezoid structure, the long bottom edge of the trapezoid is connected with the long edge of the rectangular sheet, and the width of the rectangular sheet is greater than that of the cylindrical cutting body;
bracket bearing assembly and spacing gasket make through integrated into one piece. The specific structures of the base, the bracket bearing assembly and the limiting gasket are not limited thereto, and the invention is only taken as an example, and the shape and the size of the base, the bracket bearing assembly and the limiting gasket can be adjusted by a person skilled in the art according to actual requirements.
According to the rapid construction method of the Delta-shaped steel beam matched prefabricated column with the hidden connecting piece, the prefabricated column is internally provided with the stirrups which are coated outside the anchoring steel bars, and the stirrups can enhance the structural strength of the prefabricated column on one hand and can reinforce the hidden connecting piece and the prefabricated column to a certain extent on the other hand;
the limiting gasket, the bracket bearing assembly and the base are fixedly connected through bolts, the gaskets are sleeved outside the bolts, the fixing forms of the limiting gasket, the bracket bearing assembly and the base are not limited to the above, only one feasible fixing form is listed here, and the fixing connection forms which are difficult to adjust such as welding and the like can be adopted, so that the adjusting range of bolt fixing is better, the bracket bearing assembly and the limiting gasket with proper shapes and sizes can be selected according to requirements, and the applicability is better;
the bottom surface of the base is connected with a reinforcing piece, and the reinforcing piece is vertical to the bottom surface of the base; the number of the reinforcing members is two; the reinforcing piece extends radially away from the end of the base to form an anchoring end head, and the anchoring end head can further improve the connection strength of the hidden connecting piece and the prefabricated column;
the prefabricated column is a cylinder or a square column, the shape of the prefabricated column is not limited to the shape, the invention only lists part of the commonly used column shape, and other shapes of columns can be suitable for the invention.
According to the rapid construction method for the Delta-shaped steel beam matched prefabricated column with the hidden connecting piece, the number of the anchoring steel bars is two, the two anchoring steel bars are respectively positioned on two sides of the base, the arrangement directions are the same, and the whole body is in a splayed shape; the anchoring steel bar extends radially far away from the base end to form a steel bar pier head.
According to the rapid construction method of the Delta-shaped steel beam matched prefabricated column with the hidden connecting piece, the number of the anchoring steel bars is four, wherein two anchoring steel bars which are respectively positioned on two sides of the base and have the same arrangement direction are in one group, and the whole group of anchoring steel bars is in a splayed shape; the anchoring steel bar radially extends away from the base end to form a steel bar pier head. The number and the specific arrangement of the anchoring steel bars of the present invention are not limited thereto, and the present invention is only taken as an example, and those skilled in the art can adjust the number and the specific arrangement according to the actual needs.
According to the rapid construction method for the Delta-shaped steel beam matched prefabricated column with the hidden connecting piece, the Delta-shaped steel beam is integrally of a tubular mechanism and comprises a top plate, a bottom plate, two webs and an end plate, the top plate, the webs and the bottom plate are consistent in length, and the bottom plate is wider than the top plate;
the top plate and the bottom plate are arranged in parallel, the bottom plate comprises a main body part and bearing parts which are positioned at two sides of the main body part and used for bearing the precast slab, the main body part and the bearing parts are arranged along the width direction of the bottom plate, and the orthographic projection of the top plate on the bottom plate is positioned in the main body part;
the web plates are arranged between the top plate and the bottom plate, one side of each web plate is connected with the edge of the top plate, the other side of each web plate is connected with the edge of the main body part, and the two web plates are respectively connected with the two opposite sides of the top plate and the main body part along the length direction;
the top plate, the bottom plate and the two webs enclose a hollow perfusion area, an end plate is arranged on the side face of the hollow perfusion area, and the end plate is connected with the top plate, the webs and the bottom plate;
open on the end plate and have the U-shaped breach of being connected with the cooperation of bracket bearing assembly, the U-shaped breach is to the bottom plate opening, the bottom plate is equipped with the opening of being connected with the U-shaped breach on along length direction to ensure that bracket bearing assembly can stretch into the U-shaped breach. The specific structure of the Delta-shaped steel beam is not limited to the above, and the specific structure of the Delta-shaped steel beam can be adjusted by a person skilled in the art according to the actual situation.
According to the rapid construction method for the Delta-shaped steel beam matched prefabricated column with the hidden connecting piece, on the section perpendicular to the length direction, the top plate, the bottom plate and the two web plates form a trapezoidal structure, and the trapezoidal bottom edges are formed at the two ends of the bottom plate;
the trapezoid is a right trapezoid (edge beam) or an isosceles trapezoid (middle beam). The concrete structure enclosed by the top plate, the bottom plate and the two web plates can be adjusted according to actual conditions (prefabricated plates and the like used cooperatively).
According to the rapid construction method of the Delta-shaped steel beam matched prefabricated column with the hidden connecting piece, the top plate is provided with a pouring hole communicated with a pouring area and a hoisting fixing hole for fixing a hoisting hook;
the web plate is provided with a rib penetrating hole communicated with the pouring area and an exhaust hole for exhausting;
fire prevention design reinforcing bar has been arranged along length direction in the cavity is filled the district, and fire prevention design reinforcing bar all contactless with roof, bottom plate, the web of steel beam, and when the conflagration breaing out, the steel beam bottom metal part takes place the inefficacy fire prevention design reinforcing bar can support overall structure.
The rapid construction method of the Delta-shaped steel beam matched prefabricated column with the hidden connecting piece further comprises the following steps:
(4) arranging precast slabs on a bearing part of a web plate, wherein gaps among the precast slabs correspond to the reinforcement penetrating holes of some inclined web plates, and reinforcing steel bars are placed in the gaps through the reinforcement penetrating holes on two sides;
(5) and pouring a certain amount of concrete into the Delta-shaped steel beam through the pouring hole, enabling the concrete to flow into the gap of the precast slab through the reinforcement penetrating hole, finishing quick construction after the concrete is solidified, and reinforcing the integral structure after the concrete is solidified.
According to the rapid construction method for the Delta-shaped steel beam matched prefabricated column with the hidden connecting piece, the size of the exhaust hole is smaller than that of the reinforcement penetrating hole; the distance between the exhaust hole and the top plate is closer than that between the rib penetrating hole and the top plate.
Has the advantages that:
(1) the rapid construction method of the invention has the advantages that the Delta-shaped steel beam is matched with the prefabricated column with the hidden connecting piece, the construction speed is high, the requirement on site storage conditions is low, and the method is particularly suitable for construction in cities;
(2) according to the rapid construction method for the prefabricated column with the Delta-shaped steel beam and the hidden connecting piece, the fixed connection can be completed only by overlapping without bolt connection, the operation is simple, time and labor are saved, the connection structure of the steel beam and the prefabricated column is firm and stable, and the safety is good.
(3) Delta shape girder steel itself is the same height with the floor, does not occupy space under the floor, can conveniently arrange the pipeline in the roof beam simultaneously to the inside fire prevention design that is provided with of girder steel for in the conflagration breaing out, the fire prevention design reinforcing bar can support overall structure when the girder steel bottom metal part takes place to lose efficacy, and is higher than traditional girder steel security.
Drawings
FIG. 1 is a schematic diagram of the fabricated column of the invention after the rapid construction of the Delta-shaped steel beam matched with the prefabricated column with the hidden connecting piece is completed;
FIG. 2 is a perspective view of a prefabricated column with hidden connectors;
FIG. 3 is a schematic view of a hidden connector;
FIG. 4 is a schematic view of another form of concealed connecting member;
FIG. 5 is a schematic structural diagram of a Delta-shaped steel beam;
the steel plate comprises 1-prefabricated columns, 11-stirrups, 2-hidden connecting pieces, 21-bases, 22-limiting gaskets, 23-bracket bearing components, 231-cubic structures I, 232-cylindrical cutting bodies, 24-gaskets, 25-bolts, 26-reinforcing pieces, 27-anchoring ends, 28-anchoring steel bars, 29-steel bar pier heads, 3-Delta-shaped steel beams, 31-top plates, 32-web plates, 33-bottom plates, 34-end plates, 35-pouring holes, 36-hoisting fixing holes, 37-reinforcing bar penetrating holes, 38-exhaust holes, 39-fireproof design steel bars, 4-prefabricated plates and 41-gaps.
Detailed Description
The following further describes the embodiments of the present invention with reference to the attached drawings.
Example 1
A quick construction method for a Delta-shaped steel beam-matched prefabricated column with a hidden connecting piece comprises the following steps:
(1) the concealed connecting member is assembled as shown in fig. 3 and 4;
the hidden connecting piece comprises a base 21, a bracket bearing component 23 and a limiting gasket 22 which are connected in sequence, the limiting gasket 22, the bracket bearing component 23 and the base 21 are fixedly connected through a bolt 25, and a gasket 24 is sleeved outside the bolt 25;
the base 21 is of a cuboid structure, the bottom surface of the base is connected with two reinforcing pieces 26, the reinforcing pieces 26 are perpendicular to the bottom surface of the base, the reinforcing pieces 26 far away from the end of the base extend radially to form anchoring heads 27, the side surface of the base is connected with four anchoring steel bars 28, two of the anchoring steel bars are respectively positioned on two sides of the base 21 and are arranged in the same direction, the two anchoring steel bars form a group, and the whole anchoring steel bar group is in a splayed shape; the anchoring steel bar 28 radially extends away from the end of the base to form a steel bar pier head 29, concave-convex matching structures matched with each other are arranged on the joint surface of the base and the bracket bearing assembly, and the exterior of the anchoring steel bar 28 is coated with a stirrup 11;
the bracket bearing component 23 mainly comprises a cubic structure I231 and a cylindrical cutting body 232 positioned at one end of the cubic structure I, wherein the cutting surface of the cylindrical cutting body 232 is parallel to the axis, the height of the cubic structure I231 is the same as that of the cylindrical cutting body 232, the cubic structure I231 is connected with the cutting surface 232 of the cylindrical cutting body, the connecting surfaces of the two are completely attached, the areas of the two are the same, and the bracket bearing component 23 is manufactured by integral molding;
the limiting gasket 22 is of a plane symmetrical structure and mainly comprises a rectangular sheet and two bulges positioned on two sides of the long side of the rectangular sheet, the two bulges are the same in shape and size, the bulges are of an isosceles trapezoid structure, the long bottom side of the trapezoid is connected with the long side of the rectangular sheet, the width of the rectangular sheet is larger than that of the cylindrical cutting body, and the limiting gasket 22 is manufactured by integral forming;
the orthographic projection area of the limiting gasket is larger than that of the bracket bearing assembly, and the orthographic projection of the limiting gasket completely covers the orthographic projection of the bracket bearing assembly;
the orthographic projection area of the base is larger than that of the bracket bearing component, and the orthographic projection of the base completely covers the orthographic projection of the bracket bearing component;
the hidden connecting piece 2 is pre-buried in the prefabricated column 1 to obtain the prefabricated column with the hidden connecting piece shown in the figure 2, the anchoring steel bar 28 and the base 21 are fixedly connected with the prefabricated column 1, the bracket bearing assembly 23 and the limiting gasket 22 are exposed outside the prefabricated column 1, the bracket bearing assembly 23 is positioned on the column body of the prefabricated column 1, and the anchoring steel bar 28 is externally coated with the stirrup 11;
(2) vertically fixing a plurality of prefabricated columns with the hidden connecting pieces on the ground or the floor, wherein the distance between the prefabricated columns with the hidden connecting pieces is arranged according to the design;
(3) hoisting the Delta-shaped steel beam to enable the Delta-shaped steel beam to be matched with prefabricated columns with hidden connecting pieces on two sides to be fixed in a sleeving and pinning mode;
delta-shaped steel beam 3 is shown in FIG. 5 and is integrally a tubular mechanism, and comprises a top plate 31, a bottom plate 33, two webs 32 and two end plates 34, wherein the lengths of the top plate 31, the webs 32 and the bottom plate 33 are consistent;
the top plate 31 and the bottom plate 33 are arranged in parallel, the bottom plate comprises a main body part and bearing parts which are positioned at two sides of the main body part and used for bearing the precast slabs 4, the main body part and the bearing parts are arranged along the width direction of the bottom plate, and the orthographic projection of the top plate on the bottom plate is positioned in the main body part;
the web 32 is arranged between the top plate 31 and the bottom plate 33, one side of the web 32 is connected with the edge of the top plate 31, the other side of the web 32 is connected with the edge of the main body part, and the two webs are respectively connected with two opposite sides of the top plate 31 and the main body part along the length direction;
a hollow pouring area is defined by the top plate 31, the bottom plate 33 and the two webs 33, fireproof design steel bars are arranged in the hollow pouring area along the length direction, an end plate 34 is arranged on the side face of the hollow pouring area, the end plate 34 is connected with the top plate 31, the webs 32 and the bottom plate 33, and the top plate 31, the bottom plate 33 and the two webs 33 form an isosceles trapezoid structure on the section perpendicular to the length direction;
the top plate 31 is provided with a filling hole 35 communicated with the filling area and a hoisting fixing hole 36 used for fixing a hoisting hook, the web plate 32 is provided with a rib penetrating hole 37 communicated with the filling area and an exhaust hole 38 used for exhausting, the size of the exhaust hole 38 is smaller than that of the rib penetrating hole 37, the distance between the exhaust hole 38 and the top plate 31 is shorter than that between the rib penetrating hole 37 and the top plate 31, the end plate 34 is provided with a U-shaped notch matched and connected with the bracket bearing assembly 23, the U-shaped notch is opened towards the bottom plate and communicated with the outside, the bottom plate is provided with an opening connected with the U-shaped notch along the length direction, the Delta-shaped steel beam is hoisted, so that the bracket bearing assembly 23 is matched and fixedly connected with the U-shaped notch of the Delta-shaped steel beam to further realize the matched fixation of the Delta-shaped steel beam and the prefabricated column with the hidden connecting piece, and the limiting gasket is;
(4) arranging the precast slabs 4 on the bearing parts of the webs, wherein gaps 41 matched with the rib penetrating holes 37 are formed in the corresponding positions of the precast slabs 4;
(5) a certain amount of concrete is poured into the Delta-shaped steel beam through the pouring hole 35, the concrete flows into the gap 41 of the precast slab through the reinforcement penetrating hole 37, the rapid construction is completed after the concrete is solidified, and the completed schematic diagram is shown in figure 1.
Through verification, the rapid construction method of the Delta-shaped steel beam matched prefabricated column with the hidden connecting piece has the advantages of high construction speed and low requirement on site storage conditions, and is particularly suitable for construction in cities; the fixed connection can be completed only by lap joint without bolt connection, the operation is simple, time and labor are saved, the connection structure of the steel beam and the prefabricated column is firm and stable, and the safety is good.
Example 2
A rapid construction method of a prefabricated column of a Delta-shaped steel beam matched with a hidden connecting piece is basically the same as the structure of the embodiment 1, and is different in that the hidden connecting piece is shown in figure 5, and the hidden connecting piece is provided with two anchoring steel bars which are respectively positioned at two sides of a base, have the same arrangement direction and are splayed integrally; the anchoring reinforcing steel bar is far away from the base end and radially extends to form a reinforcing steel bar pier head.
Example 3
A quick construction method for a Delta-shaped steel beam and hidden connecting piece-combined prefabricated column is basically the same as that of the embodiment 1 in structure, and is different in that a top plate, a bottom plate and two webs form a right-angle trapezoidal structure on a section perpendicular to the length direction of the steel beam.
Example 4
A rapid construction method of a Delta-shaped steel beam and hidden connecting piece matched prefabricated column is basically the same as that of the embodiment 1 in structure, and is different in that the prefabricated concrete column is a cylinder.
Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these embodiments are merely illustrative and that various changes or modifications may be made without departing from the principles and spirit of the invention.
Claims (10)
- The rapid construction method of the Delta-shaped steel beam matched prefabricated column with the hidden connecting piece is characterized by comprising the following steps of:(1) pre-embedding the hidden connecting piece in the prefabricated column to obtain the prefabricated column with the hidden connecting piece;the hidden connecting piece comprises a base, a bracket bearing component and a limiting gasket which are sequentially connected, wherein concave-convex matching structures matched with each other are arranged on the joint surface of the base and the bracket bearing component;the orthographic projection area of the limiting gasket is larger than that of the bracket bearing assembly, and the orthographic projection of the limiting gasket completely covers the orthographic projection of the bracket bearing assembly;the side surface of the base is connected with an anchoring steel bar;an anchoring steel bar and a base are fixed in the prefabricated column, and the bracket bearing assembly and the limiting gasket are exposed outside the prefabricated column and are positioned on the column body of the prefabricated column;(2) vertically fixing a plurality of prefabricated columns with the hidden connecting pieces on the ground or the floor, wherein the distance between the prefabricated columns with the hidden connecting pieces is arranged according to the design;(3) hoisting the Delta-shaped steel beam to enable the Delta-shaped steel beam to be matched with prefabricated columns with hidden connecting pieces on two sides to be fixed in a cotter pin mode;the connecting seats are arranged at two ends of the Delta-shaped steel beam, the connecting seats are provided with U-shaped notches which are matched and connected with the bracket bearing assembly, the U-shaped notches are positioned on the end face of the Delta-shaped steel beam and are communicated with the outside, the matching and fixing of the Delta-shaped steel beam and the prefabricated column with the hidden connecting piece are realized through the pin connection of the bracket bearing assembly and the U-shaped notch sleeve, and the limiting gasket is used for limiting the relative movement of the Delta-shaped steel beam and the prefabricated column with the hidden connecting piece after the matching and fixing connection.
- 2. The rapid construction method of the Delta-shaped steel beam matched prefabricated column with the hidden type connecting piece according to claim 1, characterized in that the orthographic projection area of the base is larger than that of the bracket bearing component, and the orthographic projection of the base completely covers the orthographic projection of the bracket bearing component;the base is of a cuboid structure;the bracket bearing assembly mainly comprises a cubic structure I and a cylindrical cutting body positioned at one end of the cubic structure I, wherein the cutting surface of the cylindrical cutting body is parallel to the axis, the height of the cubic structure I is the same as that of the cylindrical cutting body, the cubic structure I is connected with the cutting surface of the cylindrical cutting body, and the connecting surfaces of the cubic structure I and the cylindrical cutting body are completely attached and have the same area;the limiting gasket is of a plane symmetrical structure and mainly comprises a rectangular sheet and two bulges positioned on two sides of the long side of the rectangular sheet, the shapes and the sizes of the two bulges are the same, the bulges are of an isosceles trapezoid structure, the long bottom side of the trapezoid is connected with the long side of the rectangular sheet, and the width of the rectangular sheet is larger than that of the cylindrical cutting body;bracket bearing assembly and spacing gasket make through integrated into one piece.
- 3. The rapid construction method of the Delta-shaped steel beam prefabricated column with the hidden connecting piece matched with the steel beam as claimed in claim 1, wherein a stirrup is arranged in the prefabricated column, and the stirrup is covered outside the anchoring steel bar;the limiting gasket, the bracket bearing assembly and the base are fixedly connected through bolts, and gaskets are sleeved outside the bolts;the bottom surface of the base is connected with a reinforcing piece, and the reinforcing piece is vertical to the bottom surface of the base; the number of the reinforcing members is two; the reinforcing piece extends radially away from the base end to form an anchoring end;the prefabricated column is a cylinder or a square column.
- 4. The rapid construction method of the Delta-shaped steel beam matched prefabricated column with the hidden connecting piece according to claim 1, wherein the number of the anchoring steel bars is two, the two anchoring steel bars are respectively positioned at two sides of the base, the arrangement directions are the same, and the whole column is in a splayed shape; the anchoring steel bar extends radially far away from the base end to form a steel bar pier head.
- 5. The rapid construction method of the Delta-shaped steel beam matched prefabricated column with the hidden connecting piece according to claim 1, characterized in that the number of the anchoring steel bars is four, wherein two anchoring steel bars which are respectively positioned at two sides of the base and have the same arrangement direction are in one group, and the whole group of the anchoring steel bars is in a splayed shape; the anchoring steel bar extends radially far away from the base end to form a steel bar pier head.
- 6. The rapid construction method of the Delta-shaped steel beam matched prefabricated column with the hidden connecting piece is characterized in that the Delta-shaped steel beam is integrally of a tubular mechanism and comprises a top plate, a bottom plate, two webs and an end plate, wherein the top plate, the webs and the bottom plate are consistent in length, and the bottom plate is wider than the top plate;the top plate and the bottom plate are arranged in parallel, the bottom plate comprises a main body part and bearing parts which are positioned at two sides of the main body part and used for bearing the precast slabs, the main body part and the bearing parts are arranged along the width direction of the bottom plate, and the orthographic projection of the top plate on the bottom plate is positioned in the main body part;the web plates are arranged between the top plate and the bottom plate, one side of each web plate is connected with the edge of the top plate, the other side of each web plate is connected with the edge of the main body part, and the two web plates are respectively connected with the two opposite sides of the top plate and the main body part along the length direction;the top plate, the bottom plate and the two webs enclose a hollow perfusion area, an end plate is arranged on the side face of the hollow perfusion area, and the end plate is connected with the top plate, the webs and the bottom plate;the end plate is provided with a U-shaped notch which is connected with the bracket bearing assembly in a matched mode, the U-shaped notch is opened towards the bottom plate, and the bottom plate is provided with an opening which is connected with the U-shaped notch along the length direction.
- 7. The rapid construction method of the Delta-shaped steel beam matched prefabricated column with the hidden connecting piece is characterized in that on the section perpendicular to the length direction, the top plate, the bottom plate and the two web plates form a trapezoidal structure, and the two ends of the bottom plate are extended with trapezoidal bottom edges;the trapezoid is a right trapezoid or an isosceles trapezoid.
- 8. The rapid construction method of the Delta-shaped steel beam matched prefabricated column with the hidden connecting piece according to claim 7, characterized in that the top plate is provided with a pouring hole communicated with a pouring area and a hoisting fixing hole for fixing a hoisting hook;the web plate is provided with a rib penetrating hole communicated with the pouring area and an exhaust hole for exhausting;and fire-proof design steel bars are arranged in the hollow pouring area along the length direction.
- 9. The rapid construction method of the Delta-shaped steel beam matched prefabricated column with the hidden type connecting piece according to claim 8, characterized by further comprising the following steps:(4) arranging the precast slabs on the bearing parts of the webs, enabling gaps among the precast slabs to correspond to the reinforcement penetrating holes of some inclined webs, and putting reinforcing steel bars into the gaps through the reinforcement penetrating holes on two sides;(5) and pouring a certain amount of concrete into the Delta-shaped steel beam through the pouring hole, wherein the concrete flows into the gap of the precast slab through the reinforcement penetrating hole, and the rapid construction is completed after the concrete is solidified.
- 10. The rapid construction method of the Delta-shaped steel beam matched prefabricated column with the hidden type connecting piece according to claim 8, characterized in that the size of the exhaust hole is smaller than that of the through-rib hole; the distance between the exhaust hole and the top plate is shorter than that between the rib penetrating hole and the top plate.
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| CN201911108474.7A CN110805203B (en) | 2019-11-13 | 2019-11-13 | Rapid construction method for Delta-shaped steel beam matched prefabricated column with hidden connecting piece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502033A (en) * | 2020-05-06 | 2020-08-07 | 无锡锡晟建设有限公司 | Quick mounting structure of full-prefabricated high strength PC floor and girder steel |
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| GB418510A (en) * | 1932-05-11 | 1934-10-24 | Robert Edward Mcmillan | Improvements in structural and reinforcing units for use in reinforced concrete beams in steel frame buildings and the like |
| CN202284329U (en) * | 2011-09-16 | 2012-06-27 | 沈阳远大铝业工程有限公司 | Concrete embedded part |
| CN207672861U (en) * | 2017-12-25 | 2018-07-31 | 多维联合集团有限公司 | Girder steel, girder steel connection component and floor assemble mechanism |
| CN109537810A (en) * | 2019-01-17 | 2019-03-29 | 中建科技有限公司深圳分公司 | The assembly method of steel structure node, prefabricated post and preparation method thereof, column beam |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB418510A (en) * | 1932-05-11 | 1934-10-24 | Robert Edward Mcmillan | Improvements in structural and reinforcing units for use in reinforced concrete beams in steel frame buildings and the like |
| CN202284329U (en) * | 2011-09-16 | 2012-06-27 | 沈阳远大铝业工程有限公司 | Concrete embedded part |
| CN207672861U (en) * | 2017-12-25 | 2018-07-31 | 多维联合集团有限公司 | Girder steel, girder steel connection component and floor assemble mechanism |
| CN109537810A (en) * | 2019-01-17 | 2019-03-29 | 中建科技有限公司深圳分公司 | The assembly method of steel structure node, prefabricated post and preparation method thereof, column beam |
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| CN111502033A (en) * | 2020-05-06 | 2020-08-07 | 无锡锡晟建设有限公司 | Quick mounting structure of full-prefabricated high strength PC floor and girder steel |
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| CN110805203B (en) | 2021-07-02 |
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