CN218148854U - Assembly type reinforced concrete frame disassembly-free formwork combined connection system - Google Patents
Assembly type reinforced concrete frame disassembly-free formwork combined connection system Download PDFInfo
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- CN218148854U CN218148854U CN202121456466.4U CN202121456466U CN218148854U CN 218148854 U CN218148854 U CN 218148854U CN 202121456466 U CN202121456466 U CN 202121456466U CN 218148854 U CN218148854 U CN 218148854U
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Abstract
The utility model provides an assembly type reinforced concrete frame disassembly-free formwork combined connection system, which comprises a plurality of prefabricated reinforced concrete beams and a plurality of prefabricated reinforced concrete columns, wherein two adjacent prefabricated reinforced concrete columns are connected and fixed through embedded steel pipes; the upper prefabricated reinforced concrete column and the lower prefabricated reinforced concrete column which are adjacent to each other at the midspan are connected with the four adjacent prefabricated reinforced concrete beams through center column nodes; the upper prefabricated reinforced concrete column and the lower prefabricated reinforced concrete column which are adjacent to each other at the side span are connected with the three adjacent prefabricated reinforced concrete beams through side column nodes; the prefabricated reinforced concrete columns which are adjacent up and down at the corner points are connected with the two adjacent prefabricated reinforced concrete beams through corner column joints; the prefabricated reinforced concrete beam and the upper prefabricated reinforced concrete column are fixed on the lower prefabricated reinforced concrete column and the system reinforced concrete beam through temporary supports respectively. The utility model discloses a corner post node, side column node and center pillar node for realize the prefabricated reinforced concrete post of reinforced concrete assembled frame structure, the regional connection of node of prefabricated reinforced concrete roof beam.
Description
Technical Field
The utility model belongs to the technical field of prefabricated assembled construction, especially, relate to an assembly type reinforced concrete frame exempts from to tear open mould shell built-up connection system.
Background
The prefabricated reinforced concrete building is characterized in that main or partial building components and parts are prefabricated and produced in a factory and then are formed into an integral structural system form through a safe and effective connection technology on site. Because main or partial building components and parts are prefabricated in advance in a factory in an industrialized manner, the influence degree of field operation by seasons and climate is remarkably small, the quality of the industrialized prefabricated components is also easily guaranteed, the workload of field wet operation is greatly reduced, the construction period is remarkably reduced, the influence of engineering construction on the surrounding environment is remarkably reduced, the development requirement of green construction is met, and the method is one of the main forms of developing green buildings and green construction in China.
The reinforced concrete assembled frame structure is the main form of an assembled building structure, and is the main form for developing industrialization of public buildings, residential buildings, industrial buildings and the like. The joint connection structure is a key technology of an assembly type reinforced concrete frame structure. The beam-column connection node becomes a weak area of a structural system if the connection area of the beam-column connection node lacks good connection performance. Due to the early occurrence of the plastic hinges at the beam end and the column end, the shearing resistance of the reinforced concrete in the node core area is degraded too fast, the control capability of node damage is not guaranteed, and the integral ductility and energy consumption capability of the structure under the action of an earthquake are insufficient.
A great deal of research is being conducted around the node connection technology at home and abroad, and the node connection technology can be roughly divided into a dry connection and a wet connection. The dry method connection is generally convenient to construct, but various connectors are different in cost, the economical efficiency of structural connection is affected, grouting treatment is generally needed, and the process is relatively complicated. The wet connection mainly adopts a post-cast joint form, the post-cast joint needs on-site reinforced concrete engineering and template engineering, the construction efficiency is relatively low, and the connection area needs to take construction measures, so that the bending shear performance and the ductility energy consumption capability of the wet connection area of the post-cast joint are improved.
Disclosure of Invention
In view of this, the utility model aims at providing an assembled reinforced concrete frame disassembly-free formwork connecting system that overcomes the above-mentioned factor in the prior art, more safe and reliable, and it is convenient to be under construction high-efficiently.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
a disassembly-free formwork combined connection system of an assembled reinforced concrete frame comprises a plurality of prefabricated reinforced concrete beams and a plurality of prefabricated reinforced concrete columns, wherein two vertically adjacent prefabricated reinforced concrete columns are connected and fixed through embedded steel pipes;
the upper prefabricated reinforced concrete column and the lower prefabricated reinforced concrete beam at the midspan position are connected with the four adjacent prefabricated reinforced concrete beams through center column nodes, and the four adjacent prefabricated reinforced concrete beams form a cross structure; the upper prefabricated reinforced concrete column and the lower prefabricated reinforced concrete beam at the side span are connected with the three adjacent prefabricated reinforced concrete beams through side column joints, and the three adjacent prefabricated reinforced concrete beams form a T-shaped structure; the prefabricated reinforced concrete columns which are adjacent up and down at the corner points are connected with the two adjacent prefabricated reinforced concrete beams through corner column joints, and the two adjacent prefabricated reinforced concrete beams form an L-shaped structure; prefabricated reinforced concrete beam is fixed in prefabricated reinforced concrete column of lower floor or lower floor's floor through interim the support, prefabricated reinforced concrete column of upper strata also supports fixed bearing on prefabricated reinforced concrete beam through interim, every node all includes a plurality of connecting piece curb plates and the fixed curb plate of connecting piece of wearing, one wears the cooperation of connecting piece curb plate and the fixed curb plate of connecting piece and uses, it is equipped with a plurality of connecting piece curb plate preformed holes of wearing that are used for the on-the-spot connecting piece usefulness of alternating on every wearing the connecting piece curb plate, the connecting piece is installed on wearing the connecting curb plate through first connection converting part, it is corresponding, be equipped with on the fixed curb plate of connecting piece and connect the converting part with connecting piece complex second.
Furthermore, the first connection conversion part and the second connection conversion part have the same structure and respectively comprise two horizontal bottom fixing plate sections, two inclined plate sections, a horizontal upper fixing plate section, a bottom force transmission fixing nut and an end anchor connecting piece, wherein two ends of the horizontal upper fixing plate section are respectively connected with one horizontal bottom fixing plate section through one inclined plate section, and the bottom force transmission fixing nut is arranged at the bottom of the horizontal upper fixing plate section;
the end anchor connecting piece comprises a screw rod, a fixing nut, a cushion block and an end anchor plate, a horizontal bottom fixing plate section preformed hole for inserting the screw rod is formed in the horizontal bottom fixing plate section, a horizontal upper fixing plate section preformed hole for inserting the connecting piece is formed in the horizontal upper fixing plate section, the screw rod is fixed to the end anchor plate through the cushion block, the end anchor plate is fixed to a corresponding side plate, the screw rod is connected with the fixing nut after penetrating through the horizontal bottom fixing plate section preformed hole, the connecting piece penetrates through a bottom force transmission fixing nut of a first connecting conversion piece and the horizontal upper fixing plate section preformed hole in sequence, then extends into a horizontal upper fixing plate section preformed hole of a second connecting conversion piece and is connected with the bottom force transmission fixing nut of the second connecting conversion piece.
Further, the center pillar node includes that two center pillar post ends wear the connecting piece curb plate, two center pillar post end fixed curb plates, four center pillar beam ends wear the connecting piece curb plate and four center pillar beam ends fixed curb plates, and a center pillar post end is worn the connecting piece curb plate and a center pillar post end fixed curb plate and is constituted a set ofly and just to arranging, and a center pillar beam end is worn the connecting piece curb plate and a center pillar beam end fixed curb plate and is constituted a set ofly and just to arranging, wears the connecting piece curb plate and all is fixed in on the corresponding fixed curb plate with the end nut through the connecting piece.
Further, the side column node includes that two side column ends wear the connecting piece curb plate, two side column end fixed curb plates, three side column beam ends wear the connecting piece curb plate and three side column beam ends fixed curb plates, a side column end wears the connecting piece curb plate and a side column end fixed curb plate and constitutes a set ofly and just to arranging, a side column beam end wears the connecting piece curb plate and a side column beam ends fixed curb plate and constitutes a set ofly and just to arranging, wears the connecting piece curb plate and all is fixed in on the corresponding fixed curb plate through the connecting piece and with the end nut.
Further, the corner post node includes that two corner post ends wear the connecting piece curb plate, two fixed curb plates of corner post end, two corner post beam-ends wear the connecting piece curb plate and two fixed curb plates of corner post beam-ends, a corner post end is worn the connecting piece curb plate and is constituted a set ofly and just to arranging with a fixed curb plate of corner post end, a corner post beam-end is worn the connecting piece curb plate and is constituted a set ofly and just to arranging with a fixed curb plate of corner post beam-end, it all is fixed in on the corresponding fixed curb plate through a plurality of connecting pieces and with the end nut to wear the connecting piece curb plate.
Furthermore, one of the side column end fixing side plates of the side column node and the two adjacent side column end fixing side plates are integrally formed.
Furthermore, the corner post end fixing side plate of the corner post node and the adjacent corner post end fixing side plate are integrally formed.
Furthermore, the prefabricated reinforced concrete column comprises a prefabricated reinforced concrete column upper end and a prefabricated reinforced concrete column lower end, a first shear-resistant groove is reserved at the prefabricated reinforced concrete column upper end, and a small-diameter steel pipe for supporting and positioning an upper-layer column is embedded in the first shear-resistant groove; the lower end of the prefabricated reinforced concrete column is provided with a raised shear key groove, a hollow large-diameter steel pipe used for being sleeved outside the small-diameter steel pipe is embedded in the prefabricated reinforced concrete column, and the large-diameter steel pipe is used for supporting and positioning the upper-layer prefabricated reinforced concrete column; a first reinforced concrete cage is respectively placed in prefabricated reinforced concrete column upper end and prefabricated reinforced concrete column lower extreme inside, and all be equipped with on the surface outward and be used for supporting the first built-in fitting that links to each other temporarily with corresponding.
Furthermore, the two ends of the prefabricated reinforced concrete beam are respectively provided with a second shear resistant groove, a second reinforced concrete cage is placed in the prefabricated reinforced concrete beam, a second embedded part is arranged on the surface of the prefabricated reinforced concrete beam, and the second embedded part is used for being connected with a corresponding temporary support to fix the upper prefabricated reinforced concrete column.
Furthermore, the connecting piece is a bolt, a screw rod or a steel bar, the end nut is a fixed nut at the end part of the connecting piece, and the end nut is used for screwing the connecting piece.
Compared with the prior art, an assembled reinforced concrete frame disassembly-free formwork built-up connection system and construction method thereof have following advantage:
(1) The application adopts the on-site formwork-dismantling-free technology, reduces the workload of general on-site formwork engineering, and simultaneously adopts high-performance engineering materials to reinforce the bearing performance of the wet-process connection area of the post-cast joint.
(2) This application adopts ultra-high performance concrete (UHPC) that has excellent mechanical properties as the base material of exempting from to tear open the mould shell, because UHPC has excellent mechanical properties, UHPC exempts from to tear open the mould shell and can realize the sheet metal design, realizes light high-strength characteristics, in order to realize exempting from to tear open mould shell thin wall design, the research utility model discloses a dedicated connection converting part and structure thereof has realized the thin wall anchor.
(3) The utility model discloses an exempt from to tear open mould shell adopts the UHPC board to constitute in the node district and exempts from to tear open mould shell, can the shearing resistance of full play material, has strengthened the regional curved bearing performance of cutting and the ductility power consumption ability of ordinary reinforced concrete wet process connected node.
(4) The utility model discloses a prefabricated reinforced concrete post and reinforced concrete roof beam adopt interim support fixed, for traditional construction mode, do not change current construction process, site operation convenience.
(5) The utility model discloses an exempt from to tear open mould shell adopts connecting pieces such as bolt to connect, convenient construction, and avoids the welding, guarantees the connection quality.
(6) The utility model discloses the core concrete in the exempt from to tear open mould shell pours with the post-cast concrete layer (or cast-in-place integral superstructure concrete engineering) of superimposed sheet together, avoids the secondary to pour, and construction convenience, and monolithic casting, the wholeness can be excellent, has fully guaranteed its atress mechanical properties.
Drawings
The accompanying drawings, which form a part of the present disclosure, are included to provide a further understanding of the present disclosure, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present disclosure and together with the description serve to explain the present disclosure. In the drawings:
fig. 1 is a schematic structural view of a disassembly-free formwork combination connection system of an assembly-type reinforced concrete frame according to an embodiment of the present invention;
fig. 2 is a schematic view of a connection node between a midspan precast column and an adjacent precast beam according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a king post node;
fig. 4 is a schematic view of a connection node between the precast column and the adjacent precast beam at the side span of the embodiment of the present invention;
FIG. 5 is a schematic structural view of a side pillar node;
fig. 6 is a schematic view of a connection node between a prefabricated column at an angular point and an adjacent prefabricated beam in the embodiment of the present invention;
FIG. 7 is a schematic view of a corner post node;
FIG. 8 is a schematic view of an angled configuration of the connector side plate;
FIG. 9 is a schematic view of a second angular configuration of the connector side plate;
FIG. 10 is a third angled view through the connector side plate;
FIG. 11 is a fourth angular configuration of a side plate of the cross connector;
FIG. 12 is a schematic view of the connector securing the side plates at an angle;
FIG. 13 is a schematic view of another angle of the attachment member securing the side plates;
FIG. 14 is a schematic view of a still further angle of the attachment member securing the side plates;
FIG. 15 is a schematic view of the assembly of the side plate of the through connector and the side plate of the fixed connector;
FIG. 16 is a schematic view of the connection converting member;
FIG. 17 is a schematic structural view of an end anchor connection;
figure 18 is a schematic structural view of the upper end of a precast reinforced concrete column;
figure 19 is a schematic view of the lower end of a prefabricated reinforced concrete column;
fig. 20 is a schematic structural view of a precast reinforced concrete beam.
Description of reference numerals:
1-corner post joint, 2-side post joint, 3-center post joint, 4-precast reinforced concrete post, 4-1-precast reinforced concrete post upper end, 4-2-precast reinforced concrete post lower end, 5-precast reinforced concrete beam, 6-precast reinforced concrete composite slab bottom slab, 7-temporary support, 8-precast reinforced concrete composite slab bottom slab splice joint, 9-center post beam end through connector side slab, 10-through connector side slab preformed hole, 11-first connector transition piece, 12-horizontal bottom fixed slab section, 13-diagonal slab section, 14-horizontal upper fixed slab section, 15-horizontal bottom fixed slab section preformed hole, 16-horizontal upper fixed slab section preformed hole, 17-bottom force transmission fixing nut, 18-end anchor connector, 19-screw, 20-fixing nut, 21-spacer, 22-end anchor slab, 23-connector, 24-end nut, 25-center post beam end fixing side slab, 26-small diameter steel pipe, 27-first shear groove, 28-first side post joint, 29-first post joint, 30-center post end corner post end through connector, 37-corner post end through post side slab, 35-corner post end through connector side slab, 35-center post end through connector, 16-center post end through connector side slab, 16-corner post end through connector, 16-corner post side slab connector, 16-shear connector, 11-shear connector, 42-fixed side plates at the ends of the corner columns and the beams, 43-second shear resistant grooves, 44-second steel bar cages and 45-second embedded parts.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1-20, a fabricated reinforced-bar concrete frame disassembly-free formwork combined connection system comprises a plurality of prefabricated reinforced-bar concrete beams 5 and a plurality of prefabricated reinforced-bar concrete columns 4, wherein two adjacent prefabricated reinforced-bar concrete columns 4 are connected and fixed through embedded steel pipes;
the upper prefabricated reinforced concrete column and the lower prefabricated reinforced concrete beam at the midspan position are connected with four adjacent prefabricated reinforced concrete beams through a center column node 3, and the four adjacent prefabricated reinforced concrete beams form a cross structure; the upper prefabricated reinforced concrete columns and the lower prefabricated reinforced concrete beams at the side spans are connected with each other through side column nodes 2, and the three adjacent prefabricated reinforced concrete beams form a T-shaped structure; the prefabricated reinforced concrete columns which are adjacent up and down at the corner point are connected with the two adjacent prefabricated reinforced concrete beams through corner column joints 1, and the two adjacent prefabricated reinforced concrete beams form an L-shaped structure; prefabricated reinforced concrete beam 5 is fixed in prefabricated reinforced concrete column of lower floor or lower floor through interim support, prefabricated reinforced concrete column of upper strata also supports fixedly on prefabricated reinforced concrete beam 5 through interim support, every node all includes a plurality of wearing connecting piece curb plates and connecting piece fixed curb plate, a wearing connecting piece curb plate and the cooperation of a connecting piece fixed curb plate are used, it has a plurality of wearing connecting piece curb plate preformed holes 10 that are used for on-the-spot interlude connecting piece 23 usefulness to wear to be equipped with on every wearing connecting piece curb plate, connecting piece 23 is installed on wearing the connecting curb plate through first connection converting part 11, it is corresponding, be equipped with on connecting piece fixed curb plate and connect converting part 32 with connecting piece 23 complex second.
In fig. 1, prefabricated reinforced concrete superimposed sheet bottom plate 6, prefabricated reinforced concrete superimposed sheet bottom plate concatenation seam 8 adopt the form of superimposed sheet for the superstructure structure, and interim support 7 is the simple complementary example of explanation problem, and the interim support type of specifically adopting in the engineering is not the utility model relates to an within the scope.
The first connection conversion part 11 and the second connection conversion part 32 have the same structure and respectively comprise two horizontal bottom fixing plate sections 12, two inclined plate sections 13, a horizontal upper fixing plate section 14, a bottom force transmission fixing nut 17 and an end anchor connecting part 18, wherein two ends of the horizontal upper fixing plate section 14 are respectively connected with one horizontal bottom fixing plate section 12 through one inclined plate section 13, and the bottom force transmission fixing nut 17 is arranged at the bottom of the horizontal upper fixing plate section 14;
the end anchor connecting piece 18 comprises a screw rod 19, a fixing nut 20, a cushion block 21 and an end anchor plate 22, a horizontal bottom fixing plate section preformed hole 15 used for penetrating the screw rod 19 is formed in the horizontal bottom fixing plate section 12, a horizontal upper fixing plate section preformed hole 16 used for penetrating the connecting piece 23 is formed in the horizontal upper fixing plate section 14, the screw rod 19 is fixed on the end anchor plate 22 through the cushion block 21, the end anchor plate is fixed on a corresponding side plate, the screw rod 19 penetrates through the horizontal bottom fixing plate section preformed hole 15 and then is connected with the fixing nut 20, and the connecting piece 23 penetrates through a bottom force transmission fixing nut of the first connecting conversion piece and a horizontal upper fixing plate section preformed hole in sequence and then extends into a horizontal upper fixing plate section preformed hole of the second connecting conversion piece and is connected with a bottom force transmission fixing nut of the second connecting conversion piece.
The center pillar node 3 includes that two center pillar post ends wear connecting piece curb plate 33, two center pillar post end fixed curb plates 34, four center pillar beam ends wear connecting piece curb plate 9 and four center pillar beam ends fixed curb plate 25, a center pillar post end is worn connecting piece curb plate 33 and a center pillar post end fixed curb plate 34 and is constituted a set of and just to arranging, a center pillar beam end is worn connecting piece curb plate 9 and a center pillar beam ends fixed curb plate 25 and is constituted a set of and just to arranging, it all is fixed in on the corresponding fixed curb plate through connecting piece 23 and with end nut 24 to wear the connecting piece curb plate.
One of the side column end fixing side plates of the side column node 2 and the two adjacent side column end fixing side plates are integrally formed.
The corner post end fixed side plate of the corner post node 1 and the adjacent corner post end fixed side plate are integrally formed.
The prefabricated reinforced concrete column 4 comprises a prefabricated reinforced concrete column upper end 4-1 and a prefabricated reinforced concrete column lower end 4-2, the prefabricated reinforced concrete column upper end 4-1 is provided with a first shear-resistant groove 27, and a small-diameter steel pipe 26 for supporting and positioning an upper-layer column is embedded in the prefabricated reinforced concrete column; the lower end 4-2 of the prefabricated reinforced concrete column is provided with a raised shear key slot 30, a hollow large-diameter steel pipe 31 which is used for being sleeved outside the small-diameter steel pipe 26 is embedded in the prefabricated reinforced concrete column, and the large-diameter steel pipe 31 is used for supporting and positioning the prefabricated reinforced concrete column on the upper layer; respectively placing a first reinforced concrete cage 28 in the upper end 4-1 of the prefabricated reinforced concrete column and the lower end 4-2 of the prefabricated reinforced concrete column, and arranging first embedded parts 29 which are used for being connected with the corresponding temporary supports 7 on the outer surfaces of the first reinforced concrete cage and the prefabricated reinforced concrete column;
the both ends of precast reinforced concrete roof beam 5 are equipped with second anti-shear groove 43 respectively, place second reinforced concrete cage 44 in precast reinforced concrete roof beam 5's inside, set up second built-in fitting 45 on precast reinforced concrete roof beam 5's surface, second built-in fitting 45 is used for linking to each other with corresponding interim support 7 and fixes upper precast reinforced concrete post.
The connecting piece 23 is a bolt, a screw rod or a steel bar, the end nut 24 is a fixed nut at the end part of the connecting piece 23, and the end nut 24 is used for screwing the connecting piece 23. The outer diameter of the small-diameter steel pipe 26 and the inner diameter of the large-diameter steel pipe 31 meet the requirement of assembly clearance error.
This application is through corner post node, side column node and center pillar node for realize the regional connection of node of reinforced concrete assembled frame structure's prefabricated reinforced concrete post, prefabricated reinforced concrete roof beam. During assembly construction, after the beam-grouting joints are connected, concrete in the joint disassembly-free formwork is poured together with the post-cast layer of the laminated floor slab to form a whole. The disassembly-free formwork adopts ultra-high performance concrete with excellent mechanical property as a base material of the disassembly-free formwork and has excellent mechanical property, so that the disassembly-free formwork realizes sheet design and has the characteristics of light weight and high strength. The disassembly-free formwork gives full play to the shearing resistance of the high-performance engineering material, and strengthens the bending shear bearing performance and the ductility energy consumption capability of the common reinforced concrete wet method connection node area.
A construction method of an assembly type reinforced concrete frame disassembly-free formwork combined connection system specifically comprises the following steps:
(1) A connecting piece penetrating side plate and a connecting piece fixing side plate of the disassembly-free formwork are prefabricated by adopting ultra-high performance concrete in a factory, and a reinforced concrete beam and a reinforced concrete column are prefabricated by adopting common concrete;
(2) On the construction site, according to the distribution of the building plane, firstly, temporarily supporting and fixing the first layer of prefabricated reinforced concrete column, and embedding reserved steel bars of the first layer of prefabricated reinforced concrete column and a steel bar project of a bottom foundation connecting beam or a bottom floor system according to the design requirement;
(3) Pouring a bottom foundation coupling beam or a bottom integral-pouring floor concrete project, and maintaining to a design age;
(4) Hoisting and positioning the prefabricated reinforced concrete beam, and fixing the prefabricated reinforced concrete beam by adopting temporary support;
(5) Selecting matched disassembly-free formwork combination side column nodes, middle column nodes and corner column nodes, and fixing the side plates penetrating the connecting pieces to corresponding fixed side plates by using connecting pieces 23 and end nuts 24;
(6) Installing a bottom die of a reinforced concrete beam node area, wherein the bottom die adopts a traditional steel combined template, a wood template or a plastic template;
(7) Laying a bottom plate of the prefabricated reinforced concrete laminated slab, and sealing the splicing seams of the laminated slab;
(8) According to the distribution of a building plane, fixing the layer of prefabricated reinforced concrete columns by adopting temporary supports, and embedding reserved steel bars of the layer of prefabricated reinforced concrete columns and the floor slab in advance according to design requirements;
(9) Pouring a standard floor laminated slab cast-in-place concrete layer and node area core concrete, and maintaining to a design age;
(10) Repeating (4) - (9) until the top layer;
(11) Temporarily supporting and fixing the prefabricated reinforced concrete beam at the elevation of the top of the lower column at the top layer;
(12) Repeating (5) - (6);
(13) Laying a bottom plate of the prefabricated reinforced concrete laminated slab, and sealing a splicing seam of the laminated slab; or directly arranging a top floor formwork project and a reinforcing steel bar laying project under the condition of adopting the cast-in-place integral top floor;
(14) And pouring a top floor laminated slab cast-in-place concrete layer and node area core concrete, maintaining to a design age, and directly pouring a top floor concrete project under the condition that the cast-in-place integral top floor is adopted.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an assembled reinforced concrete frame exempts from to tear open mould shell built-up connection system which characterized in that: the prefabricated reinforced concrete beam comprises a plurality of prefabricated reinforced concrete beams (5) and a plurality of prefabricated reinforced concrete columns (4), wherein two adjacent prefabricated reinforced concrete columns (4) are connected and fixed through embedded steel pipes;
the upper prefabricated reinforced concrete column and the lower prefabricated reinforced concrete column which are adjacent at the midspan are connected with four adjacent prefabricated reinforced concrete beams through center column nodes (3), and the four adjacent prefabricated reinforced concrete beams form a cross structure; the upper prefabricated reinforced concrete column and the lower prefabricated reinforced concrete column which are adjacent to each other at the edge span are connected with the three adjacent prefabricated reinforced concrete beams through edge column joints (2), and the three adjacent prefabricated reinforced concrete beams form a T-shaped structure; the prefabricated reinforced concrete columns which are adjacent up and down at the corner points are connected with the two adjacent prefabricated reinforced concrete beams through corner column joints (1), and the two adjacent prefabricated reinforced concrete beams form an L-shaped structure; precast reinforced concrete beam (5) are fixed in lower floor's precast reinforced concrete post or lower floor slab through interim the support, upper precast reinforced concrete post also supports fixed bearing on precast reinforced concrete beam (5) through interim, every node all includes a plurality of connecting piece curb plates and the fixed curb plate of connecting piece of wearing, one wears the cooperation of connecting piece curb plate and the fixed curb plate of connecting piece and uses, it has a plurality of connecting piece curb plate preformed holes (10) of wearing that are used for on-the-spot interlude connecting piece (23) usefulness to wear to be equipped with on every connecting piece curb plate, connecting piece (23) are installed on wearing the connecting curb plate through first connection converting part (11), it is corresponding, be equipped with on the fixed curb plate of connecting piece and connect converting part (32) with connecting piece (23) complex second.
2. The assembly type reinforced concrete frame disassembly-free formwork combination connection system of claim 1, which is characterized in that: the first connection conversion part (11) and the second connection conversion part (32) are identical in structure and respectively comprise two horizontal bottom fixing plate sections (12), two inclined plate sections (13), a horizontal upper fixing plate section (14), a bottom force transmission fixing nut (17) and an end anchor connecting piece (18), two ends of the horizontal upper fixing plate section (14) are respectively connected with the horizontal bottom fixing plate section (12) through the inclined plate section (13), and the bottom force transmission fixing nut (17) is arranged at the bottom of the horizontal upper fixing plate section (14);
end anchor connecting piece (18) include screw rod (19), fixation nut (20), cushion (21) and end anchor board (22), be equipped with horizontal bottom fixation board section preformed hole (15) that are used for interlude screw rod (19) on horizontal bottom fixation board section (12), be equipped with horizontal upper portion fixation board section preformed hole (16) that are used for interlude connecting piece (23) on horizontal upper portion fixation board section (14), screw rod (19) are fixed on end anchor board (22) through cushion (21), the end anchor board is fixed on corresponding curb plate, screw rod (19) are connected with fixation nut (20) after passing horizontal bottom fixation board section preformed hole (15), connecting piece (23) pass first bottom biography power fixation nut who connects the converting part and stretch into the horizontal upper portion fixation board section preformed hole that the converting part was connected to the second behind horizontal upper portion fixation board section preformed hole and be connected with the bottom biography power fixation nut that the converting part is connected to the second in proper order.
3. The assembly type reinforced concrete frame disassembly-free formwork combination connection system of claim 1, wherein: center pillar node (3) are including two center pillar post ends wear connecting piece curb plate (33), two center pillar post ends fixed curb plate (34), four center pillar beam ends wear connecting piece curb plate (9) and four center pillar beam ends fixed curb plate (25), a center pillar post end is worn connecting piece curb plate (33) and a center pillar post end fixed curb plate (34) and is constituted a set ofly and just to arranging, a center pillar beam end is worn connecting piece curb plate (9) and a center pillar beam ends fixed curb plate (25) and is constituted a set ofly and just to arranging, it all is fixed in on the corresponding fixed curb plate through connecting piece (23) and with end nut (24) to wear the connecting piece curb plate.
4. The assembly type reinforced concrete frame disassembly-free formwork combination connection system of claim 1, wherein: side column node (2) including two side column end wear connecting piece curb plate (35), two side column end fixed curb plate (36), connecting piece curb plate (37) and three side column beam-ends fixed curb plate (38) are worn to three side column beam-ends, connecting piece curb plate (35) and a side column end fixed curb plate (36) are worn to a side column end constitute a set ofly and just to arranging, connecting piece curb plate (37) and a side column beam-ends fixed curb plate (38) are worn to a side column beam-ends constitute a set ofly and just to arranging, wear the connecting piece curb plate all through connecting piece (23) and be fixed in on the corresponding fixed curb plate with end nut (24).
5. The assembly type reinforced concrete frame disassembly-free formwork combination connection system of claim 1, wherein: corner post node (1) includes that two corner post end wear connecting piece curb plate (39), two fixed curb plates of corner post end (40), connecting piece curb plate (41) and two fixed curb plates of corner post beam-ends (42) are worn to two corner post beam-ends, connecting piece curb plate (39) and fixed curb plate of a corner post end (40) are worn to a corner post end constitute a set ofly and just to arranging, connecting piece curb plate (41) and fixed curb plate of a corner post beam-ends (42) are worn to a corner post beam-ends constitute a set ofly and just to arranging, wear the connecting piece curb plate all through a plurality of connecting pieces (23) and with end nut (24) be fixed in on the corresponding fixed curb plate.
6. The assembly type reinforced concrete frame disassembly-free formwork combination connection system of claim 4, wherein: one of the side column end fixing side plates of the side column node (2) and the two adjacent side column end fixing side plates are integrally formed.
7. The assembly type reinforced concrete frame disassembly-free formwork combination connection system of claim 5, wherein: the corner post end fixing side plate of the corner post node (1) and the adjacent corner post end fixing side plate are integrally formed.
8. The assembly type reinforced concrete frame disassembly-free formwork combination connection system of claim 1, wherein: the prefabricated reinforced concrete column (4) comprises a prefabricated reinforced concrete column upper end (4-1) and a prefabricated reinforced concrete column lower end (4-2), a first anti-shearing groove (27) is reserved at the prefabricated reinforced concrete column upper end (4-1), and a small-diameter steel pipe (26) for supporting and positioning an upper-layer column is embedded in the prefabricated reinforced concrete column upper end (4-1); the lower end (4-2) of the prefabricated reinforced concrete column is provided with a raised shear key slot (30), a hollow large-diameter steel pipe (31) which is embedded and used for being sleeved outside the small-diameter steel pipe (26) is embedded, and the large-diameter steel pipe (31) is used for supporting and positioning the upper-layer prefabricated reinforced concrete column; a first reinforced concrete cage (28) is respectively arranged at the upper end (4-1) of the prefabricated reinforced concrete column and at the lower end (4-2) of the prefabricated reinforced concrete column, and first embedded parts (29) used for being connected with corresponding temporary supports are arranged on the outer surfaces of the first reinforced concrete cage and the prefabricated reinforced concrete column.
9. The disassembly-free formwork combination connection system of the assembly-type reinforced concrete framework according to any one of claims 1 to 8, wherein: the both ends of precast reinforced concrete roof beam (5) are equipped with second anti-shear groove (43) respectively, place second reinforced concrete cage (44) in the inside of precast reinforced concrete roof beam (5), set up second built-in fitting (45) on the surface of precast reinforced concrete roof beam (5), second built-in fitting (45) are used for supporting to link to each other with corresponding interim and fix upper precast reinforced concrete post.
10. The assembly type reinforced concrete frame disassembly-free formwork combination connecting system of claim 3, 4 or 5, wherein: the connecting piece (23) is a bolt, a screw rod or a steel bar, the end nut (24) is a fixed nut at the end part of the connecting piece (23), and the end nut (24) is used for screwing the connecting piece (23).
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| CN113389268A (en) * | 2021-06-29 | 2021-09-14 | 黑龙江松瑞科技有限公司 | Assembly type reinforced concrete frame disassembly-free formwork combined connecting system and construction method thereof |
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