CN113502907B - Transfer floor structure for high-rise building and construction method thereof - Google Patents
Transfer floor structure for high-rise building and construction method thereof Download PDFInfo
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- CN113502907B CN113502907B CN202110821605.7A CN202110821605A CN113502907B CN 113502907 B CN113502907 B CN 113502907B CN 202110821605 A CN202110821605 A CN 202110821605A CN 113502907 B CN113502907 B CN 113502907B
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- force transmission
- transmission column
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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
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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
- E04B1/19—Three-dimensional framework structures
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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
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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
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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
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
Abstract
The invention discloses a conversion layer structure for a high-rise building and a construction method thereof, which relate to the technical field of conversion layer construction, and the conversion layer structure for the high-rise building comprises a bearing beam, a structural slab, a force transfer column, a concrete guide pipe, a pulp flow pipe, a fixing piece, an outer sliding block and a connecting rod piece, wherein the pulp flow pipe is coaxially embedded at the inner bottom of the force transfer column through the fixing piece, the bottom end of the concrete guide pipe is connected with the pulp flow pipe in a sliding way and is detachably connected with the pulp flow pipe, and the top end of the concrete guide pipe penetrates out of the force transfer column; the concrete pipe outer wall has seted up outer spout, outer slider links to each other with outer spout inner wall slip, connecting rod spare rotates respectively to be connected in outer slider and the vertical muscle of laying in the biography power post of fixed connection, just concrete pipe is inside to be seted up and to be used for with the lifting groove that the stick suited that shakes. The vibrator lifts and vibrates the concrete in the compaction chamber in the concrete guide pipe. This application has the effect that improves conversion layer post and post roof beam node quality safety.
Description
Technical Field
The invention relates to the technical field of conversion layer construction, in particular to a conversion layer structure for a high-rise building and a construction method thereof.
Background
The transfer floor is a floor in which the upper and lower parts of the floor of the building have different functions for use in a plane, and the upper and lower parts of the floor have different types of structures, and the structure is transferred through the floor, and the floor is called a structure transfer floor. The high-rise building is mostly low-rise commercial, and the multi-functional requirement of upper portion lodging often needs to adopt certain structural style to carry out conversion treatment between the big space that low-rise commercial required and the many walls of upper portion lodging required little space, adds promptly and establishes the conversion layer. Common structural forms of conversion decks include beam, open web truss, diagonal truss, box and plate.
In a high-rise building, a beam type conversion layer is the most common structural form for realizing vertical conversion at present, and due to a plurality of factors such as dense reinforcing steel bars in columns of the beam type conversion layer, dense reinforcing steel bars at nodes of the beams and the columns and the like, concrete pouring and tamping of the conversion layer are easy to cause inconvenience, and further quality safety hazards of beam column members of the conversion layer are caused.
Disclosure of Invention
In order to improve the situation that the conversion layer column and the column-beam node are not easy to cast and smash and further reduce the potential quality safety hazard of the conversion layer column and the column-beam node, the application provides a conversion layer structure for a high-rise building and a construction method thereof.
A conversion layer structure for a high-rise building is arranged between a commercial layer and a residential layer and comprises a bearing beam, a structural plate, a force transmission column and a pouring and tamping mechanism, wherein the bearing beam, the structural plate and the force transmission column are sequentially connected and jointly form an open functional space, the pouring and tamping mechanism comprises a pouring assembly and a vibrating assembly, the pouring assembly comprises a concrete guide pipe, a pulp flow pipe and a fixing piece, the pulp flow pipe is coaxially embedded in the bottom of the force transmission column through the fixing piece, the bottom end of the concrete guide pipe is connected with the pulp flow pipe in a sliding mode, the concrete guide pipe is detachably connected to the pulp flow pipe, and the top end of the concrete guide pipe penetrates out of the top of the force transmission column; the concrete pipe comprises a concrete pipe and a vibrating assembly, wherein the vibrating assembly comprises an outer sliding block and a connecting rod piece, an outer sliding groove is formed in the outer wall of the concrete pipe, the outer sliding block is connected with the inner wall of the outer sliding groove in a sliding mode, the connecting rod piece is respectively connected in the outer sliding block and a vertical rib which is fixedly connected in a force transmission column and is arranged in the force transmission column in a rotating mode, and a lifting groove which is used for being matched with the vibrating rod is formed in the concrete pipe.
By adopting the technical scheme, after the construction of the commercial layer is finished, the construction of the conversion layer is started. Firstly, building vertical ribs inside a force transmission column, lengthening column ribs penetrating out of the commercial layer by using a fixing piece, and installing a pulp flowing pipe by using the fixing piece so that the pulp flowing pipe and the force transmission column are coaxially arranged; secondly, a pulp flowing pipe and a concrete guide pipe are installed in a sliding mode, an outer sliding block is connected with the wall of an outer sliding groove formed in the outer wall of the concrete guide pipe in a sliding mode, and then a connecting rod piece is respectively connected with the outer sliding block in a rotating mode and fixed with a vertical rib arranged in a force transmission column; then, closing the template of the reinforced force transfer column, building a support system and laying a beam slab template; then, a vibrating rod of the vibrator is in sliding fit with the lifting groove, concrete is conveyed into the concrete guide pipe, the concrete flows into the pulp flowing pipe from the concrete guide pipe, and then the pulp flowing pipe is filled in a cavity surrounded by a template of the force transmission column, and the exciting force generated by the vibrating rod is transmitted to the concrete guide pipe, the pulp flowing pipe, the connecting rod piece, the vertical ribs arranged in the force transmission column and the concrete in the cavity; finally, the pulp flowing pipe, the outer sliding block and the connecting rod piece are permanently embedded in the force transmission column, the concrete guide pipe can be detached from the pulp flowing pipe and the outer sliding block in a sliding mode, and the vibrator can lift and vibrate in the concrete guide pipe to uniformly vibrate and compact the concrete in the cavity, so that the scheme has the advantage of improving the quality safety of the transition layer column and the column beam node.
Optionally, the mounting includes threaded sleeve and screw thread arc board, screw thread arc board outer wall links to each other with the screw thread sleeve outer wall is fixed, lower part reinforcing bar and upper portion reinforcing bar have been buried underground in the biography power post, the one end that the biography power post was kept away from to the lower part reinforcing bar is buried in the business layer, the biography power post is worn out to the upper portion reinforcing bar, the lower part reinforcing bar links to each other through threaded sleeve with the relative one end of upper portion reinforcing bar, screw thread arc inboard wall links to each other with head pipe outer wall screw thread.
Through adopting above-mentioned technical scheme, utilize upper portion reinforcing bar and lower part reinforcing bar in the screw sleeve threaded connection biography power post earlier, back adjustment screw sleeve and then the position of adjustment screw thread arc board, it links to each other head pipe and screw thread arc board screw thread, and then the head pipe of easy to assemble, during concreting, the concrete is convenient for flow from head pipe end opening outflow, and because the concrete passes through concrete pipe and head pipe from bottom to top filling, can weaken the noise that concrete and the interior collision two productions of laying the reinforcing bar of biography power post and improve the concrete compactness in passing power post cavity.
Optionally, the head pipe is provided with a matching groove from the upper end face to the lower part, the inner wall of the concrete guide pipe is provided with an inner sliding block, and the inner sliding block is matched with the matching groove in a sliding manner to lift.
Through adopting above-mentioned technical scheme, interior slider slides in from the cooperation groove top, and then makes things convenient for the concrete pipe to go up and down along the length direction of cooperation groove to improve the mobile ability of the inside concrete of concrete pipe, reduce the possibility that concrete in the concrete pipe blockked up.
Optionally, the spandrel girder includes a cast-in-place body and a prefabricated side plate, the prefabricated side plate is provided with a first connecting piece in advance, and the prefabricated side plate is obliquely connected with a longitudinal rib arranged in the cast-in-place body through the first connecting piece.
By adopting the technical scheme, the prefabricated side plate can be used as a part of the bearing beam and also can be used as a side die of the bearing beam, the workload of dismantling the side die of the bearing beam is reduced, the cast-in-place body is formed by casting concrete in situ, and the first connecting piece can improve the connection performance between the prefabricated side plate and the interior of the cast-in-place body.
Optionally, the first connecting piece comprises a first opening ring rib and a first inclined rib, one side of the first opening ring rib is embedded in the prefabricated side plate, the other side of the first opening ring rib is embedded in the cast-in-place body, and the first inclined rib is respectively welded and connected with the first opening ring rib and a longitudinal rib arranged in the cast-in-place body.
By adopting the technical scheme, when the prefabricated side plate is installed, after the longitudinal ribs arranged in the cast-in-place body penetrate through the opening ring rib I, the oblique ribs I are welded and connected with the longitudinal ribs arranged in the cast-in-place body, and then the prefabricated side plate and the longitudinal ribs arranged in the cast-in-place body are fixed, so that the overall performance between the prefabricated side plate and the cast-in-place body is improved.
Optionally, the prefabricated curb plate still is equipped with connecting piece two, connecting piece two includes opening annular rib two and slant muscle two, two one sides of opening annular rib are buried in prefabricated curb plate, two opposite sides of opening annular rib are buried in the structural slab, slant muscle two respectively with opening annular rib two and the structural slab in the horizontal muscle welded connection who arranges.
Through adopting above-mentioned technical scheme, when the prefabricated curb plate of installation, the horizontal muscle of arranging in the structural slab wears to establish opening ring muscle two after, utilizes slant muscle two and the structural slab in the horizontal muscle welded connection of arranging, and then fixes the horizontal muscle of arranging in prefabricated curb plate and the structural slab mutually, further improves the wholeness ability of prefabricated curb plate.
Optionally, the prefabricated side plate is further provided with a third connecting piece, one end of the third connecting piece is embedded in the bottom wall of the prefabricated side plate, and the other end of the third connecting piece is embedded in the structural plate.
Through adopting above-mentioned technical scheme, during the prefabricated curb plate of installation, utilize the steel support bar to support prefabricated curb plate bottom, later make the horizontal muscle of arranging in the structural slab wear to locate the one end that the prefabricated curb plate bottom was worn out to the rectangular ring muscle, further improve the wholeness ability of prefabricated curb plate, finally improve the stability of prefabricated curb plate.
Optionally, the pouring assembly further comprises a reserved pipe, the bottom end of the reserved pipe is used for being communicated with a pipeline of a commercial layer, the top end of the reserved pipe penetrates through the concrete guide pipe, and the reserved pipe is used for walking or running water.
Through adopting above-mentioned technical scheme, will reserve the socle end and link to each other with the pipeline of wearing out in the commercial layer post, will reserve the pipe top and wear out the power transmission post, because reserve the pipe and arrange with the power transmission post is coaxial, so the setting of reserving the pipe causes the quality safety problem of power transmission post to can make things convenient for indoor line or the water of walking.
Optionally, the concrete guide pipe is provided with a guide member, the guide member includes a connecting rod and a rotation limiting ring, an inner wall of the rotation limiting ring is slidably connected to an outer wall of the reserved pipe, and the rotation limiting ring is connected with the concrete guide pipe through the connecting rod.
Through adopting above-mentioned technical scheme, because reserve the pipe top and be in free state and then buckle easily, and can improve the stability of reserving the pipe free end through the limit swivel, and then improve the straightness that hangs down that reserves the pipe to and can reduce the reservation pipe of buckling to concreting's influence.
A construction method of a conversion floor structure for a high-rise building includes the steps of:
s1, connecting the lower steel bar in the force transmission column with the upper steel bar in the force transmission column by using a fixing piece;
s2, installing a flow pipe and a fixing piece, so that the axial direction of the flow pipe is collinear with the axial direction of the force transmission column;
s3, slidably mounting an outer slide block, and respectively rotatably connecting the outer slide block and fixedly connecting vertical ribs distributed in the force transmission column by using a connecting rod piece;
s4, slidably mounting the concrete guide pipe and the pulp flow pipe, so that the top end of the concrete guide pipe penetrates out of the top of the functional space;
s5, when a template system and a supporting system of the force transmission column are erected, the lower part is reinforced doubly, and the reinforcing force is gradually decreased from bottom to top;
s6, arranging a shock absorption part on the top of the support system, encrypting a floor sweeping rod on the lower part of the support system, and arranging an inclined strut in the middle of the support system;
s7, additionally arranging a connecting sub-rod at the adjacent edge of the functional space, wherein the connecting sub-rod is connected with a female frame arranged outside the functional space but cannot be locked by a fastener, and the connecting sub-rod is also connected with a floor sweeping rod or a large transverse rod or a small transverse rod arranged in the functional space and is not locked;
s8, laying steel bars of the bearing beam and the structural slab, embedding a vertical pipe, and connecting the vertical pipe with the female frame through a transverse pipe and a fastener;
s9, pouring concrete of the dowel columns, the bearing beams and the structural slab;
s10, firstly, the vibrating rod is connected with a lifting groove arranged in the concrete guide pipe in a sliding way, and the vibrating rod is lowered to be close to the stock discharge pipe;
s11, conveying concrete into the concrete guide pipe by using a ground pump, filling the concrete into a cavity surrounded by the template of the force transmission column through the concrete guide pipe and a pulp flow pipe, and sliding, lifting and descending the concrete guide pipe to prevent the concrete from being blocked;
s12, when the concrete is filled to a proper height, the concrete guide pipe is lifted to leave the head pipe in a sliding mode, and then the rest cavity is poured;
and S13, sequentially pouring concrete of the bearing beam and the structural slab, and further completing construction of the conversion layer.
Through adopting above-mentioned technical scheme, when pouring the dowel steel concrete, the vibrator can go up and down to vibrate in the concrete pipe, evenly vibrates the concrete in the closely knit cavity to realize improving the quality safety of conversion layer post and post roof beam node.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the reserved pipe, the pulp flowing pipe, the outer sliding block and the connecting rod piece are permanently embedded in the force transfer column, the concrete guide pipe can be detached from the pulp flowing pipe and the outer sliding block in a sliding mode, the vibrator can be used for lifting and vibrating in the concrete guide pipe, concrete in the cavity is compacted uniformly in a vibrating mode, and finally the quality safety of the force transfer column is improved;
2. the concrete is filled from bottom to top through the concrete guide pipe and the head flow pipe, so that the noise generated by the collision between the concrete and the reinforcing steel bars arranged in the force transmission column can be weakened, and the concrete compactness in the cavity of the force transmission column can be improved;
3. the concrete guide pipe is lifted, the flowing capacity of concrete in the concrete guide pipe is improved, and the possibility of concrete blockage in the concrete guide pipe is reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view of the beam panel joint at A-A of FIG. 1;
FIG. 3 is a schematic structural view of the pouring and tamping mechanism and the arrangement of vertical ribs in the force-transmitting column according to the embodiment of the present application;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3 taken along line B;
FIG. 5 is an enlarged schematic view of the structure of FIG. 3 taken along line C;
fig. 6 is a schematic view showing an exploded structure of a concrete guide pipe and a head pipe according to an embodiment of the present application.
Description of reference numerals: 1. a spandrel girder; 11. casting a body in situ; 12. prefabricating a side plate; 13. a first connecting piece; 131. a first opening ring rib; 132. a first oblique rib; 14. a second connecting piece; 141. a second opening ring rib; 142. a second oblique rib; 2. a structural panel; 3. a force transmission column; 4. a functional space; 5. pouring the assembly; 51. a concrete conduit; 511. an outer chute; 512. a lifting groove; 513. an inner slide block; 514. a guide groove; 52. a head pipe; 521. a mating groove; 53. a fixing member; 531. a threaded sleeve; 532. a threaded arc plate; 54. reserving a pipe; 6. a vibrating assembly; 61. an outer slide block; 62. connecting rod pieces; 63. a guide member; 631. a tie bar; 632. and a rotation limiting ring.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses a conversion floor structure for high-rise building, its top fixedly connected with resident layer, its bottom fixedly connected with commercial layer refer to fig. 1, fig. 2, and it includes spandrel girder 1, structural slab 2, power transmission post 3 and waters and smash the mechanism, and spandrel girder 1, structural slab 2, power transmission post 3 surround and are formed with functional space 4, and functional space 4 is used for depositing the equipment of supplying the energy to resident layer. The dowel steel 3 has six, and six dowel steel 3 are the matrix distribution, and 3 bottoms of six dowel steel are used for fixed connection in commercial layer top, and 3 tops of six dowel steel are used for fixed connection in residential quarter bottom. Seven bearing beams 1 are arranged, each bearing beam 1 is fixedly connected to one side of each of two adjacent force transmission columns 3, and the upper surfaces of the bearing beams 1 and the force transmission columns 3 are located at the same horizontal position. The structure board 2 has two, and per four spandrel girders 1 enclose into a board chamber, and seven spandrel girders 1 enclose into two board chambers, and two fixed connection of structure board 2 are in corresponding board chamber perisporium, and the upper surface of structure board 2 and the upper surface of spandrel girder 1 are located same horizontal position, and the lower surface of structure board 2 is less than the lower surface of spandrel girder 1. Because 3 inside reinforcing bars of dowel steel are intensive, the reinforcing bar of beam column node is intensive, and dowel steel 3 is high big, so water and smash the mechanism and have six groups and set up in corresponding dowel steel 3 for the compactness of concrete when improving dowel steel 3 and water and smash, and then improve the quality safety of conversion layer.
Spandrel girder 1 is including cast-in-place body 11 and prefabricated curb plate 12, and 12 one sides of prefabricated curb plate 12 fixed connection in cast-in- place body 11, and 12 opposite sides of prefabricated curb plate fixed connection in structural slab 2 do not set up prefabricated curb plate 12 in spandrel girder 1 side that faces the limit, but adopt template or aluminum mould board to carry out the mould sealing and handle to reduce the high altitude possibility of falling. The prefabricated side plate 12 is provided with a first connecting piece 13, a second connecting piece 14 and a third connecting piece (not shown in the figure), the first connecting piece 13, the second connecting piece 14 and the third connecting piece are all a plurality of, the first connecting pieces 13 are evenly distributed along the length direction of the prefabricated side plate 12 at intervals, the second connecting pieces 14 are evenly distributed along the length direction of the prefabricated side plate 12 at intervals, and the third connecting pieces are evenly distributed along the length direction of the prefabricated side plate 12 at intervals. The prefabricated side plates 12, the first connecting pieces 13, the second connecting pieces 14 and the third connecting pieces are processed in a factory and then sent to a construction site for installation, but the first connecting pieces 13, the second connecting pieces 14 and the third connecting pieces cannot be used as hoisting connecting parts.
The first connecting piece 13 comprises a first open annular rib 131 and a first inclined rib 132, the closed side of the first open annular rib 131 is embedded in the prefabricated side plate 12, the open side of the first open annular rib 131 is located in the cast-in-place body 11, and a longitudinal rib in the cast-in-place body 11 penetrates through the first open annular rib 131. The oblique muscle slant is arranged, and the ring of oblique muscle one 132 tip is hung and is located the opening part of opening ring muscle one 131, and the reinforcement is connected with the vertical muscle in the cast-in-place body 11 with the welded mode to oblique muscle one 132 other end, and a plurality of oblique muscle one 132 interval arrangement in proper order to improve a plurality of connecting piece one 13, prefabricated curb plate 12 and the cast-in-place body 11 in the wholeness between a plurality of vertical muscle of arranging.
The second connecting piece 14 comprises a second opening annular rib 141 and a second oblique rib 142, the closed side of the second opening annular rib 141 is embedded in the prefabricated side plate 12, the open side of the second opening annular rib 141 is located in the structural plate 2, and the horizontal ribs distributed in the structural plate 2 penetrate through the second opening annular rib 141. The second oblique rib 142 is obliquely arranged, a circular ring at one end of the second oblique rib 142 is hung at the opening of the second open circular rib 141, the other end of the second oblique rib 142 is connected and reinforced with a horizontal rib in the structural plate 2 in a welding mode, and the second oblique ribs 142 are sequentially arranged at intervals to improve the integrity among a plurality of horizontal ribs arranged in the second connecting piece 14, the prefabricated side plate 12 and the structural plate 2.
The third connecting piece is a rectangular ring rib, the top end of the rectangular ring rib is embedded at the bottom of the prefabricated side plate 12, the bottom end of the rectangular ring rib is positioned in the structural plate 2, and a horizontal rib in the structural plate 2 is arranged in the rectangular ring rib in a penetrating mode. The steel support bars are placed at the bottom of the prefabricated side plates 12 and used for transmitting the dead weight and the load of the prefabricated side plates 12 to the templates of the structural plates 2. Meanwhile, the first opening ring rib 131, the second opening ring rib 141 and the rectangular ring rib are arranged at intervals in sequence along the length defense line of the bearing beam 1, and further the arrangement rationality among the longitudinal rib, the first opening ring rib 131, the second opening ring rib 141 and the rectangular ring rib inside the cast-in-place body 11 is improved.
Referring to fig. 1 and 3, the pouring mechanism comprises a pouring assembly 5 and a vibrating assembly 6, the pouring assembly 5 comprises a concrete guide pipe 51, a pulp flow pipe 52, a fixing member 53 and a reserve pipe 54, the concrete guide pipe 51, the pulp flow pipe 52 and the reserve pipe 54 are respectively provided with one, and the fixing member 53 is provided with four. The column muscle of laying in the business layer has 16, and inside 4 loops through mounting 53 and passes through corresponding vertical muscle bottom screw thread in the force transmission post 3 and link to each other, and outside 12 loops through reinforcing bar mechanical sleeve and links to each other with the corresponding vertical muscle bottom screw thread in the force transmission post 3, and the vertical muscle top of laying in the force transmission post 3 wears out the force transmission post 3.
Referring to fig. 3 and 4, the fixing member 53 includes a threaded sleeve 531 and a threaded arc plate 532, an outer arc side of the threaded arc plate 532 is fixedly connected to an outer wall of the threaded sleeve 531, an inner arc side of the threaded arc plate 532 is threadedly connected to an outer wall of a bottom of the head pipe 52, and a bottom end of the head pipe 52 is spaced apart from a top of the commercial layer.
Referring to fig. 3 and 5, the vibrating assembly 6 includes an outer sliding block 61 and a connecting rod 62, an outer sliding slot 511 is formed through the outer wall of the concrete guide pipe 51 from the upper end to the lower end, four outer sliding slots 511 are provided, and the four outer sliding slots 511 are circumferentially arrayed along the axial direction of the concrete guide pipe 51. The connecting rod piece 62 is a fixed rod, the connecting rod piece 62 is provided with a plurality of groups corresponding to any one of the outer chutes 511, one end of each connecting rod piece 62 is rotatably connected with an outer sliding block 61, the other end of each connecting rod piece 62 is connected with an outer vertical rib arranged in the force transmission column 3 in a welding manner, and one end of each outer sliding block 61 departing from the connecting rod piece 62 is embedded in the corresponding outer chute 511 in a sliding manner.
A plurality of guide pieces 63 are slidably arranged in each outer sliding groove 511, and the guide pieces 63 are uniformly distributed at intervals from top to bottom; each guide 63 all includes tie rod and limit swivel 632, and concrete pipe 51 inner wall corresponds the tie rod and has seted up guide way 514, and guide way 514 is seted up to the middle part non-run-through from the concrete upper end, and tie rod one end sliding connection is in guide way 514 inner wall, and tie rod other end fixed connection is in limit swivel 632 outer wall, and limit swivel 632 inner wall and reservation pipe 54 outer wall slide and link to each other, and limit swivel 632 is used for improving the stability of reserving pipe 54. Meanwhile, the inner wall of the concrete guide pipe 51 is further provided with a lifting groove 512, the cross section of the lifting groove 512 is in a dovetail shape, the lifting groove 512 is formed from the upper end to the middle of the concrete guide pipe 51, and the lifting groove 512 is used for being matched with the vibrating rod in a sliding mode so as to achieve the lifting motion of the vibrating rod.
Referring to fig. 4 and 6, the inner slide blocks 513 are fixedly connected to the bottom of the inner wall of the concrete guide pipe 51, and the inner slide blocks 513 are symmetrically arranged along the axial direction of the concrete guide pipe 51; the outer wall of the pulp flow pipe 52 is provided with two matching grooves 521 corresponding to the two inner sliding blocks 513 respectively, the two matching grooves 521 are symmetrical along the axial direction of the pulp flow pipe 52, and the two inner sliding blocks 513 are connected to the corresponding matching grooves 521 in a sliding mode respectively. In a proper range, the inner sliding block 513 slides up and down in the matching groove 521, so that the outer sliding block 61 is lifted and lowered along with the up and down lifting of the concrete guide pipe 51, the concrete guide pipe 51 can be completely separated from the outer sliding block 61, and the concrete guide pipe 51 is convenient to recycle after the concrete pouring of the force transmission column 3 is finished.
The embodiment of the application also discloses a construction method of the radiation protection structure of the medical building, which comprises the following steps:
s1, the reserved pipe 54 is an aluminum alloy pipe, and the reserved pipe 54 is connected with a pipeline penetrating into the functional space 4 from the commercial layer in a welding mode;
s2, mounting vertical ribs of a force transmission column 3, sequentially and respectively connecting 4 vertical ribs inside the force transmission column 3 and corresponding column ribs in a business layer penetrating into a functional space 4 in a threaded manner by utilizing a threaded sleeve 531, enabling inner arc sides of four threaded arc plates 532 to be opposite and at the same horizontal position, simultaneously screwing four threaded arc plates 532 to a head pipe 52, sliding an inner sliding block 513 of a concrete conduit 51 into a matching groove 521, further establishing the concrete conduit 51, and sequentially and respectively connecting 12 vertical ribs outside the force transmission column 3 in a threaded manner by utilizing a steel bar mechanical sleeve;
s3, sequentially sliding the outer sliding blocks 61 into the corresponding outer sliding grooves 511, sequentially welding the connecting rod members 62 to the corresponding outer vertical ribs in the force transmission columns 3, and slidably sleeving the rotation limiting rings 632 on the outer wall of the reserved pipe 54 to slidably connect the tie bars with the inner wall of the guide grooves 514;
s4, firstly, an aluminum film or a wood pattern is used for enclosing and sealing the outside of the vertical rib of the force transmission column 3 to form a cavity of the force transmission column 3, the lower part of the force transmission column 3 is reinforced in a double-reinforcement mode, namely, two transverse pipes on the lower part are reinforced and encrypted, and a single transverse pipe on the upper part is reinforced and is sparse compared with the lower part;
s5, a support system is erected in the functional space 4, templates of a bearing beam 1 and the bearing beam 1 and a template support system of a structural plate 2 are firstly erected in sequence, a cushioning component is additionally arranged at the top of the support system, the cushioning component is two wood beams and a rubber plate, the rubber plate is respectively connected with one side, opposite to the two wood beams, of the abutting joint, the top of the cushioning component abuts against the template at the bottom of the bearing beam 1 or the template at the lower surface of the structural plate 2, and the bottom of the cushioning component abuts against the support system at the bottom of the bearing beam 1 or the support system at the lower surface of the structural plate 2;
s6, adding inclined struts in a supporting system, arranging the inclined struts in a staggered manner, encrypting ground sweeping rods at the lower part of the supporting system, connecting the bottom ends of the supporting system from the ground into a whole by the ground sweeping rods, adding connecting sub-rods at the positions near the edges of the functional space 4, connecting the connecting sub-rods with a main frame outside the functional space 4 without being locked by fasteners, and connecting the connecting sub-rods with the ground sweeping rods or big and small cross rods arranged in the functional space 4 in a connected and unlocked state so as to improve the overall performance between the supporting system and the main frame;
s6, firstly, sequentially erecting the prefabricated side plates 12 on two sides of the length direction of the cast-in-place body 11 by using steel support bars, erecting longitudinal ribs in the cast-in-place body 11, enabling the longitudinal ribs in the cast-in-place body 11 to penetrate through the first open ring ribs 131, enabling the third connecting pieces not to be in contact with the upper surface of the formwork of the structural plate 2, then laying horizontal ribs of the structural plate 2, enabling horizontal ribs close to the prefabricated side plates 12 to penetrate through the second open ring ribs 141 and the third connecting pieces sequentially, and finally, sequentially welding and connecting the longitudinal ribs in the cast-in-place body 11 with the first inclined strut ribs, welding and connecting the horizontal ribs with the second open ring ribs 141, and welding and connecting the horizontal ribs with the third connecting pieces;
s7, embedding a vertical pipe, wherein the vertical pipe is connected with an external mother frame through a fastener and a horizontal pipe but is not locked, so that the integrity of the conversion layer and the external mother frame is further improved;
s8, after multi-party acceptance, pouring concrete of the force transmission column 3, the load-bearing beam 1 and the structural slab 2, and when the concrete is conveyed into the concrete conduit 51 by using a ground pump, closing the top opening of the reserved pipe 54 by using a rubber plug, conveying the concrete from the concrete conduit 51 to the flow-pulp pipe 52, and allowing the bottom opening of the concrete flow-pulp pipe 52 to flow into a cavity formed by enclosing the template of the force transmission column 3;
s9, sliding a vibrating rod of the vibrator into the concrete guide pipe 51 from the lifting groove 512, starting the vibrator, enabling the exciting force generated by the vibrating rod to pass through the concrete guide pipe 51, the pulp flow pipe 52, the outer sliding block 61, the connecting rod 62 and the vertical ribs arranged in the force transmission column 3, further vibrating and compacting the concrete in the cavity uniformly, and reducing the probability that the concrete blocks the concrete guide pipe 51 and the pulp flow pipe 52 by lifting and lowering the concrete guide pipe 51;
s10, when the concrete in the cavity is poured to a proper position, the concrete guide pipe 51 is slidingly drawn out of the pulp flowing pipe 52 and is drawn out of the cavity, so that the concrete guide pipe 51 can be recycled, the concrete is continuously poured, and the concrete on the upper part of the cavity is vibrated and compacted;
and S11, sequentially pouring the concrete of the cast-in-place body 11 and the concrete of the structural slab 2, leveling after pouring of the concrete of the conversion layer, and removing the template of the force transmission column 3, the template of the bearing beam 1 and the template of the structural slab 2 when the structural strength of the concrete of the conversion layer reaches the design specification, wherein the proper amount of the support system is kept.
The casting and tamping are inconvenient and the concrete is not compact due to factors such as dense and tall reinforcing steel bars of the force transmission column 3, dense reinforcing steel bars at the joint of the force transmission column 3 and the bearing beam 1 and the like, so that the quality safety of the force transmission column 3, the force transmission column 3 and the joint of the bearing beam 1 is influenced. And this application passes through the vibrating rod of concrete pipe 51 lift vibrator, and then evenly transmit the power of surging that the vibrating rod produced effectively for concrete pipe 51, head pipe 52, outer slider 61, connecting rod 62, the inside vertical muscle of laying of power transmission post 3, and the concrete in the cavity that 3 templates of power transmission post surround the formation, and the cavity is filled from bottom to top to the concrete, improve the closely knit degree of concrete in the time of the noise reduction, and finally make this application have the quality safety who improves power transmission post 3, power transmission post 3 and 1 node of spandrel girder.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A conversion floor structure for a high-rise building, provided between a business floor and a residential floor, characterized in that: the concrete pouring and tamping machine comprises a bearing beam (1), a structural plate (2), a force transmission column (3) and a pouring and tamping mechanism, wherein the bearing beam (1), the structural plate (2) and the force transmission column (3) are sequentially connected and jointly form an open functional space (4), the pouring and tamping mechanism comprises a pouring assembly (5) and a vibrating assembly (6), the pouring assembly (5) comprises a concrete guide pipe (51), a pulp flow pipe (52) and a fixing piece (53), the pulp flow pipe (52) is coaxially embedded in the inner bottom of the force transmission column (3) through the fixing piece (53), the bottom end of the concrete guide pipe (51) is connected with the pulp flow pipe (52) in a sliding manner, the concrete guide pipe (51) is detachably connected to the pulp flow pipe (52), and the top end of the concrete guide pipe (51) penetrates out of the top of the force transmission column (3); the utility model discloses a concrete vibrating assembly, including vibrating subassembly (6) and connecting rod spare (62), outer spout (511) have been seted up to concrete pipe (51) outer wall, outer slider (61) and outer spout (511) inner wall sliding connection, connecting rod spare (62) rotate respectively connect in outer slider (61) and fixed connection in the vertical muscle of laying in dowel steel (3), just concrete pipe (51) inside offer be used for with vibrating stick adaptive lifting chute (512).
2. A conversion floor structure for high-rise buildings according to claim 1, wherein: the fixing piece (53) comprises a threaded sleeve (531) and a threaded arc plate (532), the outer wall of the threaded arc plate (532) is fixedly connected with the outer wall of the threaded sleeve (531), lower reinforcing steel bars and upper reinforcing steel bars are embedded in the force transmission column (3), one end, far away from the force transmission column (3), of the lower reinforcing steel bars is embedded in a commercial layer, the force transmission column (3) is penetrated through the upper reinforcing steel bars, the lower reinforcing steel bars are connected with one end, opposite to the upper reinforcing steel bars, of the upper reinforcing steel bars through the threaded sleeve (531), and the inner wall of the threaded arc plate (532) is connected with the outer wall of the head pipe (52) in a threaded mode.
3. A conversion floor structure for high-rise buildings according to claim 2, wherein: the head pipe (52) is provided with a matching groove (521) from the upper end face to the lower part, the inner wall of the concrete guide pipe (51) is provided with an inner sliding block (513), and the inner sliding block (513) is matched with the matching groove (521) in a sliding way to lift.
4. A conversion floor structure for high-rise buildings according to claim 1, wherein: the bearing beam (1) comprises a cast-in-place body (11) and a prefabricated side plate (12), a first connecting piece (13) is arranged in the prefabricated side plate (12) in advance, and the prefabricated side plate (12) is obliquely connected with a longitudinal rib arranged in the cast-in-place body (11) through the first connecting piece (13).
5. A conversion floor structure for high-rise buildings according to claim 4, wherein: the connecting piece I (13) comprises a first open annular rib (131) and a first inclined rib (132), the first open annular rib (131) is embedded in the prefabricated side plate (12) in one side, the other side of the first open annular rib is embedded in the cast-in-place body (11) in the other side, and the first inclined rib (132) is respectively connected with the first open annular rib (131) and a longitudinal rib arranged in the cast-in-place body (11) in a welding mode.
6. A conversion floor structure for high-rise buildings according to claim 5, wherein: prefabricated curb plate (12) still are equipped with connecting piece two (14), connecting piece two (14) are including opening annular rib two (141) and slant muscle two (142), embedding in prefabricated curb plate (12) in opening annular rib two (141) one side, embedding in structural slab (2) of opening annular rib two (141) opposite side, slant muscle two (142) respectively with the horizontal muscle welded connection of arranging in opening annular rib two (141) and structural slab (2).
7. A conversion floor structure for high-rise buildings according to claim 6, wherein: prefabricated curb plate (12) still are equipped with connecting piece three, three one end buries in prefabricated curb plate (12) diapire of connecting piece, three other ends of connecting piece are buried in structural slab (2).
8. A conversion floor structure for high-rise buildings according to claim 1, wherein: the pouring assembly (5) further comprises a reserved pipe (54), the bottom end of the reserved pipe (54) is used for being communicated with a pipeline of a commercial layer, the top end of the reserved pipe (54) penetrates through the concrete guide pipe (51), and the reserved pipe (54) is used for routing or water.
9. A conversion floor structure for high-rise buildings according to claim 8, wherein: the concrete guide pipe (51) is provided with a guide piece (63), the guide piece (63) comprises a connecting rod (631) and a rotation limiting ring (632), the inner wall of the rotation limiting ring (632) is connected to the outer wall of the reserved pipe (54) in a sliding mode, and the rotation limiting ring (632) is connected with the concrete guide pipe (51) through the connecting rod (631).
10. A construction method of a conversion floor structure for high-rise buildings according to any one of claims 1 to 9, wherein: the method comprises the following steps:
s1, connecting the lower steel bar in the force transmission column (3) with the upper steel bar in the force transmission column (3) by using a fixing piece (53);
s2, installing the flow pipe (52) and the fixing piece (53) so that the axial direction of the flow pipe (52) is collinear with the axial direction of the force transmission column (3);
s3, the outer sliding block (61) is installed in a sliding mode, and the connecting rod piece (62) is used for respectively and rotatably connecting the outer sliding block (61) and the vertical ribs arranged in the force transmission column (3);
s4, slidably mounting the concrete guide pipe (51) and the pulp flow pipe (52) so that the top end of the concrete guide pipe (51) penetrates out of the top of the functional space (4);
s5, when a template system and a supporting system of the force transmission column (3) are erected, the lower part is reinforced doubly, and the reinforcing force is gradually reduced from bottom to top;
s6, arranging a shock absorption part on the top of the support system, encrypting a floor sweeping rod on the lower part of the support system, and arranging an inclined strut in the middle of the support system;
s7, additionally arranging a connecting sub-rod at the position adjacent to the edge of the functional space (4), wherein the connecting sub-rod is connected with a main frame arranged outside the functional space (4) but cannot be locked by a fastener, and the connecting sub-rod is also connected with a floor sweeping rod or a large transverse rod or a small transverse rod arranged in the functional space (4) and cannot be locked;
s8, laying steel bars of the bearing beam (1) and the structural slab (2), embedding a vertical pipe, and connecting the vertical pipe with a female frame through a transverse pipe and a fastener;
s9, pouring concrete of the dowel columns (3), the bearing beams (1) and the structural plates (2);
s10, firstly, a vibrating rod is connected with a lifting groove (512) formed in the concrete guide pipe (51) in a sliding mode, and the vibrating rod is placed down to be close to a flow pipe (52);
s11, conveying concrete into the concrete guide pipe (51) by using a ground pump, filling the concrete into a cavity surrounded by the template of the force transmission column (3) through the concrete guide pipe (51) and the pulp flow pipe (52), and preventing the concrete guide pipe (51) from being blocked by sliding, lifting and descending the concrete guide pipe (51);
s12, when the concrete is filled to a proper height, the concrete guide pipe (51) is lifted to leave the head pipe (52) in a sliding mode, and then the rest cavity is poured;
and S13, sequentially pouring concrete of the bearing beam (1) and the structural slab (2), and further completing construction of the conversion layer.
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| CN202110821605.7A CN113502907B (en) | 2021-07-20 | 2021-07-20 | Transfer floor structure for high-rise building and construction method thereof |
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| CN202110821605.7A CN113502907B (en) | 2021-07-20 | 2021-07-20 | Transfer floor structure for high-rise building and construction method thereof |
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| US7033116B1 (en) * | 2004-09-03 | 2006-04-25 | Thomas Ward | Post-tensioned rammed earth construction |
| CN105350777A (en) * | 2015-11-27 | 2016-02-24 | 中国一冶集团有限公司 | Device and method for one-time pouring molding of ultra-high concrete column |
| CN211173150U (en) * | 2019-10-29 | 2020-08-04 | 中国新兴建筑工程有限责任公司 | Embedded steel bar positioning device for assembled structure conversion layer |
| CN111927090B (en) * | 2020-08-10 | 2021-10-22 | 湖南省第六工程有限公司 | Steel pipe support construction structure of beam type conversion layer of high-rise building and construction method thereof |
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