CN112376688A - Assembled steel pipe sleeve reinforced concrete combined joint and construction method - Google Patents
Assembled steel pipe sleeve reinforced concrete combined joint and construction method Download PDFInfo
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- CN112376688A CN112376688A CN202011108710.8A CN202011108710A CN112376688A CN 112376688 A CN112376688 A CN 112376688A CN 202011108710 A CN202011108710 A CN 202011108710A CN 112376688 A CN112376688 A CN 112376688A
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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
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike 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
- 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
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
- E04B1/215—Connections specially adapted therefor comprising metallic plates or parts
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
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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
- E04B1/5812—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile of substantially I - or H - 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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5825—Connections for building structures in general of bar-shaped building elements with a closed cross-section
- E04B1/5837—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially circular 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2454—Connections between open and closed section profiles
Abstract
The invention discloses an assembly type reinforced concrete combined node with a steel pipe sleeve and a construction method, which comprises a central splicing column, an H-shaped steel assembly, an upper section of steel pipe column, a lower section of steel pipe column, a closing plate assembly and an outer sleeve assembly, wherein a grout outlet groove is formed in the inner sleeve; the upper section steel pipe column and the lower section steel pipe column both comprise elastic sealing pipes, and grouting holes are formed in the sleeves positioned in the upper section steel pipe column; the outer sleeve component comprises circular arc sections, transparent windows are embedded in the circular arc sections, and grout supplementing holes are formed in the circular arc sections; and reinforcing steel bars penetrate through the preformed holes. The invention provides an assembly type steel pipe sleeve reinforced concrete combined node, which can integrally fix an inner sleeve, an upper sleeve steel pipe, a lower sleeve steel pipe and partial vertical plates of an H-shaped steel assembly of the combined node, and greatly improves the stability.
Description
Technical Field
The invention relates to the technical field of building structures, in particular to an assembly type reinforced concrete combined node with a steel pipe sleeve and a construction method.
Background
In the prior art, an assembly type steel pipe concrete combined node with application number "201910821440.6" comprises a base pipe and a plurality of steel bars, wherein steel pipe assemblies are arranged at two ends of the base pipe, a plurality of clamping members are arranged between the two steel pipe assemblies, an H-shaped steel assembly is clamped in front of the two adjacent clamping members, and two semi-annular fixing plates are symmetrically arranged on each steel pipe assembly; the two ends of each steel bar are provided with external threads, one ends of the two steel pipe assemblies, which are far away from the base pipe, are provided with sealing plates, each sealing plate is provided with a plurality of steel bar holes, the sealing plate at the upper end is provided with through holes, and the two ends of each steel bar extend through the corresponding steel bar holes and are in threaded connection with nuts; the assembled concrete filled steel tube combined node is ingenious in structure and reasonable in design, the circular steel tube is disassembled and assembled through the steel member and the locking screws, the member can be repeatedly utilized, and meanwhile the assembling difficulty of the connection of the node of the steel structure member is reduced.
However, the method still has the obvious defects in the using process: 1. when the combined node is constructed, nearly hundreds of screws need to be assembled, so that the combined node is very complicated, has low efficiency and is inconvenient to popularize and use in a large scale; 2. above-mentioned combination node can only carry out reinforcing bar and concrete combination to upper sleeve steel pipe, parent tube and lower sleeve steel intraduct and fill, and the H shaped steel subassembly of combination node can only be fixed through the screw, therefore its curing effect is comparatively limited, and the holistic stability of building remains to be improved.
Disclosure of Invention
The invention aims to provide an assembly type steel pipe sleeve reinforced concrete combined node and a construction method, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an assembled steel pipe sleeve reinforced concrete combined node comprises a central splicing column, and further comprises an H-shaped steel assembly, an upper steel pipe column, a lower steel pipe column, a sealing plate assembly and an outer sleeve assembly, wherein the central splicing column comprises an upper end plate, an inner sleeve and a lower end plate, the upper end plate and the lower end plate are respectively fixedly sleeved at two ends of the inner sleeve, a first threaded hole and a second threaded hole are formed in the upper end plate and the lower end plate, a grout outlet groove is formed in the inner sleeve, a limiting plate is fixedly arranged on the inner sleeve, and a third threaded hole is formed in the limiting plate;
the H-shaped steel assembly comprises a vertical plate, an upper transverse plate and a lower transverse plate are fixedly arranged on two sides of the vertical plate respectively, a threaded hole IV and a threaded hole V are formed in the upper transverse plate and the lower transverse plate respectively, a threaded hole VI is formed in the vertical plate, a connecting plate is fixedly connected to the vertical plate, and a threaded hole VII is formed in the connecting plate;
the upper section of steel pipe column and the lower section of steel pipe column both comprise elastic sealing pipes, mounting plates are fixedly arranged on the elastic sealing pipes, threaded holes eight and positioning holes are formed in the mounting plates, sleeves are fixedly arranged on one sides, away from the elastic sealing pipes, of the mounting plates, preformed holes are formed in the sleeves, and grouting holes are formed in the sleeves located in the upper section of steel pipe column;
the outer sleeve component comprises an arc section, transparent windows are embedded in the arc section, grout supplementing holes are formed in the arc section, a first side plate and a second side plate are fixedly arranged on two sides of the arc section respectively, a threaded hole nine is formed in the first side plate, and a threaded hole ten is formed in the second side plate;
first screws are arranged in the threaded hole seven and the threaded hole three in corresponding positions, second screws and third screws are respectively arranged in the threaded hole four and the threaded hole one in corresponding positions on the upper side and the lower side, fourth screws are arranged in the threaded hole eight in the upper section steel pipe column and the threaded hole two in the upper end plate in corresponding positions, fifth screws are arranged in the threaded hole eight in the lower section steel pipe column and the threaded hole two in the lower end plate in corresponding positions, sixth screws are arranged in the grout supplementing holes in threads, seventh screws are arranged in the threaded hole nine and the threaded hole six in corresponding positions, and eighth screws are arranged in the threaded hole ten in corresponding positions and the threaded hole six in corresponding positions;
and reinforcing steel bars penetrate through the preformed holes.
Preferably, the diameters of the positioning hole and the preformed hole are larger than the diameter of the steel bar.
Preferably, the sealing plate assembly comprises a bottom plate, an elastic sealing plate is fixedly connected to the bottom plate, through holes are formed in the bottom plate and the elastic sealing plate, elastic protruding rings are integrally formed on the elastic sealing plate and can be inserted into preformed holes of the lower steel pipe column in a clamping and inserting mode.
Preferably, the first side plate and the second side plate are both provided with elastic pads.
A construction method based on the assembly type steel pipe sleeve reinforced concrete combined joint comprises the following steps:
the method comprises the following steps: sequentially taking the H-shaped steel assembly, aligning the threaded hole seventh of the H-shaped steel assembly with the threaded hole third of the center plug-in column, screwing a first screw, and respectively screwing a second screw and a third screw in the threaded hole fourth and the threaded hole first at corresponding positions on the upper side and the lower side so as to fix the H-shaped steel assembly on the center plug-in column;
step two: taking an upper steel pipe column, inserting an elastic sealing pipe of the upper steel pipe column into an inner sleeve of the central inserting column in a clamping manner, and screwing a fourth screw in a threaded hole eight of the aligned upper steel pipe column and a threaded hole two of the upper end plate so as to fix the upper steel pipe column on the central inserting column;
step three: taking the lower steel pipe column, and screwing a fifth screw in the aligned threaded hole eight of the lower steel pipe column and the aligned threaded hole two of the lower end plate according to the step two, so that the lower steel pipe column is fixed on the center splicing column;
step four: sequentially taking the outer sleeve components, attaching the outer sleeve components between the vertical plates of the adjacent H-shaped steel components, screwing a seventh screw into the aligned threaded hole nine and the aligned threaded hole six, screwing an eighth screw into the aligned threaded hole ten and the aligned threaded hole six, and further sequentially fixing the outer sleeve components between the vertical plates;
step five: inserting steel bars through the preformed hole of the upper section of the steel pipe column, wherein the steel bars sequentially penetrate through the positioning hole of the upper section of the steel pipe column, the inner sleeve pipe cavity and the positioning hole of the lower section of the steel pipe column and then penetrate out of the preformed hole of the lower section of the steel pipe column;
step six: penetrating the through hole of the sealing plate assembly through the steel bar, and then clamping and inserting the elastic convex ring into the reserved hole of the lower section of the steel pipe column;
step seven: screwing a sixth screw into the grout filling hole, and then grouting through the grout filling hole on the upper-section steel pipe column until the sleeve of the upper-section steel pipe column, the inner sleeve of the center plug-in column, the inner cavity formed by the outer sleeve component and the vertical plate and the sleeve of the lower-section steel pipe column are filled with concrete slurry;
step eight: observe the concrete slurry filling condition that outer tube subassembly and riser enclose the inner chamber through the transparent window, if there are more cavities, then take off the sixth screw immediately before the concrete condenses, through mending thick liquid hole replenishment injection concrete slurry, screw up the sixth screw in mending thick liquid hole after the benefit thick liquid, wait for the concrete to condense.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention greatly reduces the number of required screws while improving the stability, lightens the complexity of field assembly and effectively improves the construction efficiency;
2. the steel pipe sleeve reinforced concrete pouring range disclosed by the invention comprises partial vertical plates which are fixed in an inner cavity surrounded by an outer sleeve component besides the interior of the traditional upper sleeve steel pipe, base pipe and lower sleeve steel pipe, and after concrete is poured, the inner sleeve of the combined node, the upper sleeve steel pipe, the lower sleeve steel pipe and partial vertical plates of four groups of H-shaped steel components are integrally fixed by concrete slurry, so that the whole building is more stable, the process is simpler, and the effect is better.
The invention provides an assembly type steel pipe sleeve reinforced concrete combined node, which can integrally fix an inner sleeve, an upper sleeve steel pipe, a lower sleeve steel pipe and partial vertical plates of an H-shaped steel assembly of the combined node, and greatly improves the stability.
Drawings
FIG. 1 is a schematic diagram of a partial explosion structure of a center splicing column, an H-shaped steel assembly, an upper section steel pipe column, a lower section steel pipe column, a closing plate assembly and an outer sleeve assembly according to the present invention;
FIG. 2 is a schematic diagram showing the position relationship of the inner sleeve, the slurry outlet groove and the limiting plate according to the present invention;
FIG. 3 is a schematic view of the closure plate assembly of the present invention;
FIG. 4 is a schematic view of the installation position of the outer sleeve assembly of the present invention between risers;
fig. 5 is a schematic view of the reinforcing bar structure of the present invention.
In the figure: 1 center plug column, 11 upper end plate, 12 inner sleeve, 13 lower end plate, 14 threaded hole I, 15 threaded hole II, 16 grout outlet groove, 17 limit plate, 18 threaded hole III, 2H-shaped steel component, 21 vertical plate, 22 upper transverse plate, 23 lower transverse plate, 24 threaded hole IV, 25 threaded hole V, 26 threaded hole VI, 27 connecting plate, 28 threaded hole VII, 3 upper steel pipe column, 31 elastic sealing pipe, 32 mounting plate, 33 threaded hole VIII, 34 locating hole, 35 sleeve, 36 preformed hole, 37 grouting hole, 4 lower steel pipe column, 5 closing plate component, 51 bottom plate, 52 elastic sealing plate, 53 through hole, 54 elastic bulge ring, 6 outer sleeve component, 61 circular arc segment, 62 transparent window, 63 grout filling hole, 64 first side plate, 65 second side plate, 66 threaded hole nine, 67 ten, 68 elastic pad, 71 first screw, 72 second screw, 73 third screw, 74 fourth screw, 75 fifth screw, 21 first screw, 21 second screw, 32 second screw, 23 third screw, 9 fourth screw, 9, 76 sixth screw, 77 seventh screw, 78 eighth screw, 8 steel bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution:
the utility model provides an assembled steel pipe box reinforced concrete combination node, including central spliced pole 1, still include H shaped steel subassembly 2, upper segment steel-pipe column 3, hypomere steel-pipe column 4, shrouding subassembly 5 and outer tube subassembly 6, central spliced pole 1 includes upper end plate 11, interior sleeve pipe 12 and lower end plate 13, upper end plate 11 and lower end plate 13 fixed cover respectively establish the both ends at interior sleeve pipe 12, be used for connecting upper segment steel-pipe column 3 and hypomere steel-pipe column 4 respectively, all set up screw hole one 14 and screw hole two 15 on upper end plate 11 and the lower end plate 13, interior sleeve pipe 12 is last to have seted up out dressing trough 16, be used for flowing out concrete thick liquids, interior sleeve pipe 12 is last to fix and is provided with limiting plate 17, set up screw hole three 18 on limiting plate 17, be used.
H shaped steel subassembly 2 includes riser 21, and the both sides of riser 21 are fixed respectively and are provided with diaphragm 22 and diaphragm 23 down, go up all seted up threaded hole four 24 and five 25 of threaded hole on diaphragm 22 and the diaphragm 23 down, and six 26 of threaded hole are seted up on riser 21, and fixed connection is provided with connecting plate 27 on riser 21, and connecting plate 27 fixes on limiting plate 17 when the assembly, sets up threaded hole seven 28 on connecting plate 27.
The upper section steel pipe column 3 and the lower section steel pipe column 4 both comprise elastic sealing pipes 31, the elastic sealing pipes 31 can be inserted into the inner sleeve 12 of the central inserting column 1 to realize the installation of the upper section steel pipe column 3 in the central inserting column 1, and because elasticity sealed tube 31 has elasticity, can make the installation department of the two seamless, concrete leakage when avoiding slip casting, all fixed mounting panel 32 that is provided with on the elasticity sealed tube 31, mounting panel 32 is fixed on the last horizontal plate 22 of H shaped steel subassembly 2 when the assembly, threaded hole eight 33 and locating hole 34 have all been seted up on the mounting panel 32, one side that elasticity sealed tube 31 was kept away from to mounting panel 32 all is fixed and is provided with sleeve 35, preformed hole 36 has all been seted up on sleeve 35, preformed hole 36 is used for placing reinforcing bar 8, grout hole 37 has been seted up on the sleeve 35 that is arranged in upper segment steel-pipe column 3, can follow grout hole 37 and carry out the slip casting to this combination node and seal admittedly.
Outer tube subassembly 6 includes circular arc section 61, all embedded transparent window 62 that is provided with in the circular arc section 61, the operator of being convenient for of setting up of transparent window 62 is observed the slip casting condition that circular arc section 61 encloses into the inner chamber, and then judge the existence and the size of cavity, grout supplementing hole 63 has all been seted up on circular arc section 61, observe the cavity when more through transparent window 62, can take off sixth screw 76 before the concrete condenses fast, then supplement the injection concrete thick liquids in the inner chamber that becomes to circular arc section 61 through grout supplementing hole 63, the both sides of circular arc section 61 are fixed respectively and are provided with first curb plate 64 and second curb plate 65, threaded hole nine 66 has been seted up on the first curb plate 64, threaded hole ten 67 has been seted up on the second curb plate 65.
A first screw 71 is arranged in the threaded hole seven 28 and the threaded hole three 18 at corresponding positions, a second screw 72 and a third screw 73 are respectively arranged in the threaded hole four 24 and the threaded hole one 14 at corresponding positions on the upper side and the lower side, so as to realize the fixation of the H-shaped steel assembly 2 on the central plug-in column 1, the H-shaped steel assembly 2 can be provided with four screws, a fourth screw 74 is arranged in the threaded hole eight 33 of the upper section steel pipe column 3 and the threaded hole two 15 of the upper end plate 11 at corresponding positions, so as to realize the fixation of the upper section steel pipe column 3 on the central plug-in column 1, a fifth screw 75 is arranged in the threaded hole eight 33 of the lower section steel pipe column 4 and the threaded hole two 15 of the lower end plate 13 at corresponding positions, so as to realize the fixation of the lower section steel pipe column 4 on the central plug-in column 1, a sixth screw 76 is arranged in the threaded hole 63 for blocking the, a seventh screw 77 is arranged in the threaded hole nine 66 and the threaded hole six 26 at the corresponding positions in a threaded manner, and an eighth screw 78 is arranged in the threaded hole ten 67 and the threaded hole six 26 at the corresponding positions in a threaded manner, so that the outer sleeve component 6 is fixed between the vertical plates 21 of the H-shaped steel component 2.
The steel bars 8 penetrate through the preformed holes 36, so that the overall stability can be improved after concrete is poured.
Preferably, the diameter of the positioning hole 34 and the diameter of the prepared hole 36 are larger than the diameter of the steel bar 8, so that the installation of the steel bar 8 is facilitated, the circulation of concrete at the gap can be performed, and the whole filling of the inside is facilitated.
Preferably, the closing plate assembly 5 includes a bottom plate 51, an elastic sealing plate 52 is fixedly connected to the bottom plate 51, through holes 53 are formed in the bottom plate 51 and the elastic sealing plate 52, an elastic protruding ring 54 is integrally formed on the elastic sealing plate 52, the elastic protruding ring 54 can be inserted into the preformed hole 36 of the lower steel pipe column 4, and further, gaps except the steel bars 8 in the preformed hole 36 of the lower steel pipe column 4 are all closed, so that concrete leakage is reduced.
Preferably, the first side plate 64 and the second side plate 65 are provided with elastic pads 68, and the elastic pads 68 are arranged to enable the outer sleeve assembly 6 to be seamlessly installed on the riser 21, so as to avoid concrete leakage.
A construction method based on an assembly type steel pipe sleeve reinforced concrete combined node comprises the following steps:
the method comprises the following steps: sequentially taking the H-shaped steel assemblies 2, wherein the number of the H-shaped steel assemblies 2 can be four, aligning a threaded hole seven 28 of each H-shaped steel assembly 2 with a threaded hole three 18 of the center plug-in column 1, screwing a first screw 71 to realize the fixation of the connecting plate 27 of each H-shaped steel assembly 2 on the limiting plate 17 of the center plug-in column 1, then clamping and embedding the upper end plate 11 and the lower end plate 13 between the connecting plate 27 and the gaps of the upper transverse plate 22 and the lower transverse plate 23, screwing a second screw 72 and a third screw 73 in a threaded hole four 24 and a threaded hole one 14 at corresponding positions on the upper side and the lower side respectively to realize the fixation of the upper transverse plate 22 and the lower transverse plate 23 of each H-shaped steel assembly 2 on the upper end plate 11 and the lower end plate 13 of the center plug-in column 1, and further firmly fixing the;
step two: taking the upper steel pipe column 3, inserting the elastic sealing pipe 31 of the upper steel pipe column 3 into the inner sleeve 12 of the central inserting column 1 in a clamping manner, attaching the mounting plate 32 of the upper steel pipe column 3 to the upper surface of the upper transverse plate 22 of the H-shaped steel assembly 2, screwing the fourth screw 74 in the aligned threaded hole eight 33 of the upper steel pipe column 3 and the aligned threaded hole two 15 of the upper end plate 11, and further fixing the upper steel pipe column 3 on the central inserting column 1;
step three: taking the lower steel pipe column 4, referring to the second step, attaching the mounting plate 32 of the lower steel pipe column 4 to the lower surface of the lower transverse plate 23 of the H-shaped steel assembly 2, screwing the fifth screw 75 in the aligned threaded hole eight 33 of the lower steel pipe column 4 and the aligned threaded hole two 15 of the lower end plate 13, and further fixing the lower steel pipe column 4 on the center plug-in column 1;
step four: sequentially taking the outer sleeve assemblies 6, wherein the number of the outer sleeve assemblies 6 can be four, attaching the circular arc sections 61 of the outer sleeve assemblies 6 between the vertical plates 21 of the adjacent H-shaped steel assemblies 2, screwing seventh screws 77 into the aligned threaded holes nine 66 and six threaded holes 26, screwing eighth screws 78 into the aligned threaded holes ten 67 and six threaded holes 26, and sequentially fixing the outer sleeve assemblies 6 between the vertical plates 21;
step five: the steel bars 8 are inserted through the preformed holes 36 of the upper section of the steel pipe column 3, the number of the steel bars 8 is the same as that of the preformed holes 36, one steel bar 8 is inserted into each preformed hole 36, the steel bars 8 sequentially penetrate through the positioning holes 34 of the upper section of the steel pipe column 3, the inner cavity of the inner sleeve 12 and the positioning holes 34 of the lower section of the steel pipe column 4 and then penetrate out of the preformed holes 36 of the lower section of the steel pipe column 4, and after the steel bars 8 are added, the integral connection is more stable;
step six: the through hole 53 of the seal plate assembly 5 penetrates through the steel bar 8, then the elastic convex ring 54 is inserted into the preformed hole 36 of the lower steel pipe column 4 in a clamping manner, and further gaps of the preformed hole 36 of the lower steel pipe column 4 except the steel bar 8 are all blocked, so that concrete leakage is reduced, and it is noted that if the lower steel pipe column 4 is not the lowest end and the last lower steel pipe column 4, the sixth step can be omitted, and then a plurality of upper steel pipe columns 3, lower steel pipe columns 4 and the like can be assembled together and then integral grouting is carried out;
step seven: the sixth screw 76 is screwed into the grout filling hole 63, then grouting is carried out through the grout filling hole 37 on the upper-section steel pipe column 3 until the sleeve 35 of the upper-section steel pipe column 3, the inner sleeve 12 of the center plug-in column 1, the inner cavity surrounded by the outer sleeve component 6 and the vertical plate 21 and the sleeve 35 of the lower-section steel pipe column 4 are filled with concrete grout, and the inner cavities of the structures can be connected into a whole by the concrete after being condensed, so that the structure is firmer;
step eight: observe the concrete thick liquids filling condition that outer tube assembly 6 and riser 21 enclose the inner chamber through transparent window 62, if there are more cavities, then take off sixth screw 76 immediately before the concrete condenses, through mending thick liquid hole 63 and supply the injection concrete thick liquids, mend after thick liquid and screw up sixth screw 76 in mending thick liquid hole 63, wait for the concrete to condense stews, the steadiness of this combination node can show the improvement after condensing.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an assembled steel pipe box reinforced concrete combination node, includes central grafting post (1), its characterized in that: the center plug-in column comprises an H-shaped steel assembly (2), an upper steel pipe column (3), a lower steel pipe column (4), a sealing plate assembly (5) and an outer sleeve assembly (6), wherein the center plug-in column (1) comprises an upper end plate (11), an inner sleeve (12) and a lower end plate (13), the upper end plate (11) and the lower end plate (13) are fixedly sleeved at two ends of the inner sleeve (12) respectively, a first threaded hole (14) and a second threaded hole (15) are formed in the upper end plate (11) and the lower end plate (13), a grout outlet groove (16) is formed in the inner sleeve (12), a limiting plate (17) is fixedly arranged on the inner sleeve (12), and a third threaded hole (18) is formed in the limiting plate (17);
the H-shaped steel component (2) comprises a vertical plate (21), an upper transverse plate (22) and a lower transverse plate (23) are fixedly arranged on two sides of the vertical plate (21) respectively, a threaded hole IV (24) and a threaded hole V (25) are formed in the upper transverse plate (22) and the lower transverse plate (23), a threaded hole VI (26) is formed in the vertical plate (21), a connecting plate (27) is fixedly connected to the vertical plate (21), and a threaded hole VII (28) is formed in the connecting plate (27);
the upper section steel pipe column (3) and the lower section steel pipe column (4) both comprise elastic sealing pipes (31), mounting plates (32) are fixedly arranged on the elastic sealing pipes (31), threaded holes eight (33) and positioning holes (34) are formed in the mounting plates (32), sleeves (35) are fixedly arranged on one sides, far away from the elastic sealing pipes (31), of the mounting plates (32), preformed holes (36) are formed in the sleeves (35), and grouting holes (37) are formed in the sleeves (35) in the upper section steel pipe column (3);
the outer sleeve component (6) comprises an arc section (61), transparent windows (62) are embedded in the arc section (61), grout supplementing holes (63) are formed in the arc section (61), a first side plate (64) and a second side plate (65) are fixedly arranged on two sides of the arc section (61) respectively, a threaded hole nine (66) is formed in the first side plate (64), and a threaded hole ten (67) is formed in the second side plate (65);
a first screw (71) is arranged in the threaded hole seven (28) and the threaded hole three (18) at the corresponding positions, a second screw (72) and a third screw (73) are respectively arranged in the threaded hole four (24) and the threaded hole one (14) at the corresponding positions at the upper side and the lower side in a threaded manner, a fourth screw (74) is arranged in the threaded hole eight (33) of the upper section steel pipe column (3) and the threaded hole two (15) of the upper end plate (11) at the corresponding positions in a threaded manner, a fifth screw (75) is arranged in the threaded hole eight (33) of the lower steel pipe column (4) and the threaded hole two (15) of the lower end plate (13) at the corresponding positions in a threaded manner, a sixth screw (76) is arranged in the grout supplementing hole (63) in a threaded manner, a seventh screw (77) is arranged in the threaded hole nine (66) and the threaded hole six (26) at the corresponding positions in a threaded manner, an eighth screw (78) is arranged in the threaded hole ten (67) and the threaded hole six (26) at the corresponding positions in a threaded manner;
and reinforcing steel bars (8) penetrate through the preformed holes (36).
2. The assembled steel pipe sleeve reinforced concrete combined node as claimed in claim 1, wherein: the diameters of the positioning hole (34) and the preformed hole (36) are larger than the diameter of the steel bar (8).
3. The assembled steel pipe sleeve reinforced concrete combined node as claimed in claim 1, wherein: the seal plate assembly (5) comprises a base plate (51), an elastic sealing plate (52) is fixedly connected to the base plate (51), a through hole (53) is formed in the base plate (51) and the elastic sealing plate (52) in a penetrating mode, an elastic protruding ring (54) is integrally formed on the elastic sealing plate (52), and the elastic protruding ring (54) can be inserted into a preformed hole (36) of the lower steel pipe column (4) in a clamping mode.
4. The assembled steel pipe sleeve reinforced concrete combined node as claimed in claim 1, wherein: elastic cushions (68) are arranged on the first side plate (64) and the second side plate (65).
5. A construction method of the assembled steel pipe sleeve reinforced concrete combined node based on any one of claims 1 to 4 is characterized in that: the method comprises the following steps:
the method comprises the following steps: sequentially taking the H-shaped steel assembly (2), aligning a threaded hole seven (28) of the H-shaped steel assembly (2) with a threaded hole three (18) of the center plug-in column (1), screwing a first screw (71), and respectively screwing a second screw (72) and a third screw (73) in a threaded hole four (24) and a threaded hole one (14) at corresponding positions of the upper side and the lower side so as to fix the H-shaped steel assembly (2) on the center plug-in column (1);
step two: taking the upper steel pipe column (3), inserting an elastic sealing pipe (31) of the upper steel pipe column (3) into an inner sleeve (12) of the central inserting column (1) in a clamping manner, screwing a fourth screw (74) in a threaded hole eight (33) of the aligned upper steel pipe column (3) and a threaded hole two (15) of the upper end plate (11), and further fixing the upper steel pipe column (3) on the central inserting column (1);
step three: taking the lower steel pipe column (4), and screwing a fifth screw (75) into the screw hole eight (33) of the aligned lower steel pipe column (4) and the screw hole two (15) of the lower end plate (13) by referring to the step two, so as to fix the lower steel pipe column (4) on the center plug-in column (1);
step four: sequentially taking the outer sleeve assemblies (6), attaching the outer sleeve assemblies (6) between the vertical plates (21) of the adjacent H-shaped steel assemblies (2), screwing seventh screws (77) into the aligned threaded holes nine (66) and six (26), screwing eighth screws (78) into the aligned threaded holes ten (67) and six (26), and sequentially fixing the outer sleeve assemblies (6) between the vertical plates (21);
step five: inserting the steel bars (8) through the preformed holes (36) of the upper-section steel pipe column (3), wherein the steel bars (8) sequentially penetrate through the positioning holes (34) of the upper-section steel pipe column (3), the inner cavity of the inner sleeve (12) and the positioning holes (34) of the lower-section steel pipe column (4) and then penetrate out of the preformed holes (36) of the lower-section steel pipe column (4);
step six: penetrating a through hole (53) of the sealing plate assembly (5) through a steel bar (8), and then inserting an elastic convex ring (54) into a preformed hole (36) of the lower section of the steel pipe column (4) in a clamping manner;
step seven: screwing a sixth screw (76) into the grout filling hole (63), and then grouting through a grout filling hole (37) on the upper-section steel pipe column (3) until concrete grout fills the sleeve (35) of the upper-section steel pipe column (3), the inner sleeve (12) of the center plug-in column (1), the inner cavity surrounded by the outer sleeve component (6) and the vertical plate (21) and the sleeve (35) of the lower-section steel pipe column (4);
step eight: observe the concrete thick liquids filling condition that outer tube subassembly (6) and riser (21) enclose into the inner chamber through transparent window (62), if there are more cavities, then take off sixth screw (76) immediately before the concrete sets, through mending thick liquids hole (63) replenishment injection concrete thick liquids, screw up sixth screw (76) in mending thick liquids hole (63) after the benefit thick liquids, the concrete setting of waiting of stewing.
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| CN202011108710.8A CN112376688A (en) | 2020-10-16 | 2020-10-16 | Assembled steel pipe sleeve reinforced concrete combined joint and construction method |
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| CN202011108710.8A CN112376688A (en) | 2020-10-16 | 2020-10-16 | Assembled steel pipe sleeve reinforced concrete combined joint and construction method |
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Address after: 230088 Room 401, Building A4, Hefei Innovation Industrial Park, Hefei High-tech Zone, Hefei City, Anhui Province Applicant after: ANHUI A SMALL YARD CONSTRUCTION TECHNOLOGY Co.,Ltd. Address before: 231131 Building A of Honglu Building on the West Side of Fuyang North Road, Changfeng Shuangfeng Economic Development Zone, Changfeng County, Hefei City, Anhui Province Applicant before: ANHUI A SMALL YARD CONSTRUCTION TECHNOLOGY Co.,Ltd. |
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Application publication date: 20210219 |