CN115306152A - Large-inclination-angle inclined wall folding and separating jacking type steel platform construction device and method - Google Patents
Large-inclination-angle inclined wall folding and separating jacking type steel platform construction device and method Download PDFInfo
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- CN115306152A CN115306152A CN202211243467.XA CN202211243467A CN115306152A CN 115306152 A CN115306152 A CN 115306152A CN 202211243467 A CN202211243467 A CN 202211243467A CN 115306152 A CN115306152 A CN 115306152A
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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
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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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
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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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
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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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/065—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning
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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
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
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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
- E04G5/00—Component parts or accessories for scaffolds
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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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
- E04G5/046—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on walls
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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
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G2003/286—Mobile scaffolds; Scaffolds with mobile platforms mobile vertically
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Abstract
The invention relates to a construction device and a construction method for a large-inclination-angle inclined wall separation jacking type steel platform, and aims to solve the problem that the coordination between formwork overturning and steel platform separation is required to be considered in the traditional steel platform construction. The device comprises a steel platform, a temporary support steel jig frame, a tetrafluoroethylene composite sliding structure and an inclination angle fine adjustment jack, wherein the steel platform comprises a first steel platform system and a second steel platform system which are detachably connected and a supplementary steel platform, and the first steel platform system and the second steel platform system are fixed at a certain height below the bottom end of a section of the inclined wall; the double-spliced temporary support steel tire frame is arranged at the top end of the second straight wall section, and the supplement steel platform is arranged at the upper part of the temporary support steel tire frame; the tetrafluoroethylene composite sliding structure is arranged between the temporary support steel jig frame and the top beam of the second steel platform system, and the end part of the tetrafluoroethylene composite sliding structure is provided with a synchronous pushing jack mechanism; the plurality of inclination angle fine adjustment jacks are arranged between the platform base and the tetrafluoroethylene composite sliding structure at intervals; one end of the supplemental steel platform, which is close to the top beam of the second steel platform system, is connected with a positioning piece.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a construction device and method for a large-inclination-angle inclined wall folding and separating jacking type steel platform.
Background
Most super high-rise buildings need to be provided with the core barrel to improve the lateral force resistance of the whole tower, along with the continuous increase of the number of structural floors, the stress form of the super high-rise buildings is gradually converted from a bending shear type to a bending type, the top floors are relatively small in bending moment compared with the bottom floors, and the pulling and pressure on the core barrel wall bodies corresponding to the top floors are reduced. In order to improve the economic benefit and optimize the structure, in the arrangement of the core barrel, a method of reducing the wall thickness of the core barrel, the number of the core barrel or the overall layout of the core barrel is usually adopted so as to reduce the plane area of the core barrel and the section quantity of the components.
At present, a core tube inclined wall collecting and separating mode is adopted, so that the plane area of the core tube can be gradually reduced, the adaptability of the structure and the load is realized, and materials are saved. When the large-inclination inclined wall is constructed on the super high-rise steel platform, if a traditional method for erecting construction scaffold is adopted, two problems exist: on one hand, a plurality of inclined struts are arranged at different positions, the construction period is long, and the form of the scaffold component needs to be adjusted according to the shape of the inclined wall; on the other hand, the common construction scaffold is difficult to resist the oblique overturning force transmitted by the inclined wall template, and cannot effectively transmit the oblique force of the bottom support to the steel platform system.
Therefore, how to provide a construction device and a method for a large-inclination inclined wall separation jacking type steel platform is a technical problem which needs to be solved urgently by the technical personnel in the field.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information is prior art that is known to a person skilled in the art.
Disclosure of Invention
The invention provides a construction device and a construction method for a large-inclination-angle inclined wall folding and separating jacking type steel platform. Then through the conversion jacking cylinder system with the second steel platform system along the ascending jacking of right side vertical wall section to utilize the second vertical wall section both sides lock joint formula of skew wall segmentation top to connect interim support steel bed-jig for support interim welding construction platform, the handling module of supplanting supplyes the construction towards the left side to the second steel platform system, forms new steel platform system, and utilizes portable instrument formula scaffold frame to accomplish second vertical wall section and superstructure construction.
In order to solve the technical problems, the invention comprises the following technical scheme:
the utility model provides a big inclination inclined wall is received and is divided jacking formula steel platform construction equipment, includes:
the steel platform comprises a first steel platform system, a second steel platform system and a supplement steel platform which are detachably connected, and the first steel platform system and the second steel platform system are jacked to a certain height position below the bottom end of the inclined wall section of the core barrel to be cast through a jacking oil cylinder system and are fixed;
the temporary support steel jig frame is arranged at the top end of the second straight wall section of the core tube shear wall in a bilateral buckling mode, and the supplemental steel platform is arranged at the upper part of the temporary support steel jig frame;
the tetrafluoroethylene composite sliding structure is arranged between the temporary support steel jig frame and the top beam of the second steel platform system, and one end part of the tetrafluoroethylene composite sliding structure is provided with a synchronous pushing jack mechanism;
the dip angle fine adjustment jacks are arranged between the platform base and the tetrafluoroethylene composite sliding structure at intervals;
one end of the supplemental steel platform top beam close to the second steel platform system top beam is detachably connected with a positioning piece.
Furthermore, the positioning piece is of a ] type or inverted L-shaped structure, and the positioning piece is used for ensuring that the levelness of the top beam of the supplementary steel platform is consistent with that of the top beam of the second steel platform system in the pushing direction.
Further, the tetrafluoroethylene composite sliding structure comprises a tetrafluoroethylene composite sliding layer and a tray structure, wherein the tray structure is clamped between two tetrafluoroethylene composite sliding layers; the tetrafluoroethylene composite sliding layer comprises a tetrafluoroethylene plate, a rubber layer and a steel plate layer which are clamped in the middle of the tetrafluoroethylene plate.
Furthermore, a rotating base is arranged in the middle of the synchronous pushing jack mechanism, a pushing head is arranged at the foremost end of the rotating base, rotating rails are arranged on two sides of the rotating base, and the rotating base can rotate by a corresponding angle along the rotating rails. And adjusting the direction of the rotating base according to the measured inclination angle of the top beam of the second steel platform system, so that the inclination angle of the ejector push head is consistent with the inclination angle of the top beam of the second steel platform system.
Furthermore, synchronous top pushes away jack mechanism top and pushes away the end and be equipped with can convertible top connection with second steel platform system back timber contact surface, can convertible top connection free end is equipped with the round pin axle, can use to convertible top connection the round pin axle carries out the rotation of certain range as the axle center. After the turnover top joint is contacted with the top beam surface of the second steel platform system, the rear end of the turnover top joint moves forwards slowly and is automatically adjusted and rotated until the surface of the turnover top joint and the top beam surface of the second steel platform system are in the same horizontal plane position relation, and the automatic angle adjustment is realized to be aligned to the top beam of the second steel platform system.
Further, still include the scaffold system, the scaffold system includes portable instrument formula scaffold frame and interim construction scaffold, portable instrument formula scaffold frame includes: the utility model provides a track base is gone into to instrument formula scaffold frame body, return pulley that slides, prevent overturning cassette and spacing fixed block, prevent overturning cassette along orbital length direction card, instrument formula scaffold frame body passes through connector and the return pulley fixed connection that slides, spacing fixed block back-off sets up in both sides around the return pulley that slides, and passes through the bolt fastening.
Further, the adjustable inclined wall pouring formwork is fixed on the inclined plane cross rod on the outermost side of the movable tool type scaffold and comprises an inner side wooden template, an outer side wooden template, a steel pipe back edge and a tool type Fang Beileng, the distance between the inner side wooden template and the outer side wooden template is controlled through a plurality of distance rigid cushion blocks and is fixed by a split bolt in a pulling mode, the tool type square back edge is clamped on the outer side of the inner side wooden template through a back edge fixing clamp, and the top supporting plate is fixed on the outer side of the back edge fixing clamp through a telescopic screw. The top supporting plate is fixedly connected with the cross rod on the outermost side of the movable tool type scaffold through a telescopic screw rod. Through setting up distance rigidity cushion for guarantee the interval between the template only need adjust the position of one side template can. During construction, the BIM digital technology can be combined, and the corresponding points of the template can be accurately adjusted by utilizing the telescopic screw rods. Besides, the formwork is integrally adjusted to a preset position initially, and deformation and design consistency of the poured inclined wall body in the whole process can be guaranteed under the condition that an inclined strut structure is not required to be arranged.
The invention also provides a construction method of the large-inclination-angle inclined wall separation jacking type steel platform, which comprises the following steps:
s1, providing the large-inclination inclined wall dividing jacking type steel platform construction device for standby, jacking an integral steel platform formwork system to a certain height position below the bottom end of a to-be-cast inclined wall dividing section through a jacking oil cylinder system, and fixing a steel platform on a reserved hole of a first straight wall section of a core barrel through a laying bracket on a bottom beam of the steel platform;
s2, welding a rotating sleeve below a top beam of the first steel platform system, connecting a lower straight rib with an upper inclined rib after the lower straight rib penetrates through the rotating sleeve, and pouring the free end of the top beam of the first steel platform system into a wall body of the first straight wall section;
s3, constructing an inclined strut, wherein the upper end of the inclined strut is welded with the bottom flange of the top beam of the first steel platform system, and the lower end of the inclined strut is fixedly connected with an embedded part at the top end of the first straight wall section on the left side below the inclined wall section;
s4, hoisting the movable tool type scaffold to a track base of a top beam of the first steel platform system; continuing jacking construction of a second steel platform system by adopting a conversion jacking oil cylinder system at the first right-side straight wall section;
s5, mounting an adjustable inclined wall pouring mold frame on the outermost inclined plane cross rod of the movable tool type scaffold, accurately adjusting the position of a template through each point telescopic screw and a BIM (building information modeling) technology, performing left inclined wall sectional pouring construction, and synchronously performing right first straight wall sectional construction;
s6, continuously erecting a tool type external scaffold as an external scaffold, taking a second steel platform system as an internal scaffold, connecting temporary support steel jig frames at two sides of the top end of a second straight wall section above the left inclined wall section in a buckling manner, fixing a temporary welding construction platform on the temporary support steel jig frames, and detaching the temporary construction scaffold erected below the inclined wall section;
and S7, completing the supplementary construction of the second steel platform system to form a supplementary steel platform, installing a movable tool type scaffold outside the supplementary steel platform by utilizing the previously erected tool type scaffold standard knot and a pre-designed non-standard section, then installing a steel large mould, binding steel bars, pouring concrete, and continuously completing the construction of the second straight wall section and the upper structure thereof by utilizing the supplementary steel platform.
Furthermore, the first steel platform system and the second steel platform system are both designed in a modularized mode according to the sectional and dividing conditions of the inclined wall of the core tube shear wall, and the first steel platform system and the second steel platform system are connected through high-strength bolts of modularized components.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) According to the construction device for the large-inclination-angle inclined wall folding and separating jacking type steel platform, the steel platform is designed into a first steel platform system and a second steel platform system which are detachably connected, the first steel platform system is fixed in the straight wall body at the lower end of the inclined wall folding section to be constructed and used as a large construction space, and a movable tool type scaffold and an adjustable inclined wall pouring formwork are adopted to be matched with the inclined wall folding section of the core barrel, so that the rapid pouring work can be carried out, and the problem that the coordination of formwork overturning and steel platform folding and separating or other conversion construction systems needs to be considered in the traditional steel platform construction mode is solved. Then through the conversion jacking cylinder system with the second steel platform system along the ascending jacking of right side vertical wall section to utilize the second vertical wall section both sides lock joint formula of skew wall receipts section top to connect interim support steel bed-jig for support interim welding construction platform, the handling module supplements the construction to the second steel platform system toward the left side, form new steel platform system and accomplish promptly and supplement the steel platform construction, and utilize portable instrument formula scaffold frame to accomplish second vertical wall section and superstructure construction. Through installing whole prefabricated portable instrument formula scaffold frame on the track base on first steel platform system back timber, track base side direction card is gone into instrument formula bottom and is prevented toppling cassette, the return pulley card rail that slides the return pulley both sides on combining the track base can effectively improve antidumping ability, and through the spacing fixed block of back-off on the track base at both ends around the return pulley that slides, and with its below steel flat bolt fastening, overall structure is under the condition that does not set up the bracing, can effectively support the oblique force of big inclination skew wall construction transmission.
(2) The construction method of the large-inclination-angle inclined wall folding and separating jacking type steel platform provided by the invention adopts a movable tool type external scaffold, provides an external construction operation surface, and avoids the complexity of repeatedly erecting scaffold in the prior art. And the second straight wall section above the inclined wall section is constructed by attaching a section of tool type external scaffold standard section to the wall, so that on one hand, scaffold building materials are saved, on the other hand, after the integral steel platform system is disassembled and the second steel platform system is jacked in place, an external tool type scaffold spliced by the standard sections at the lower part is connected with the second steel platform system at the upper part through prefabricated lengthening sections, a set of new external scaffold can be formed after the wall attaching piece is removed, the external scaffold is used as an operation surface at the outer side during jacking construction of the upper part, and the complexity of repeatedly erecting the scaffold is avoided again.
Drawings
Fig. 1 is a schematic structural view of a temporary welding construction platform in a large-inclination inclined wall separation jacking type steel platform construction device in an embodiment of the invention;
fig. 2 is a schematic structural view of a movable tool type scaffold in the large-inclination inclined wall separation jacking type steel platform construction device in one embodiment of the invention;
fig. 3 is a schematic structural view of a limiting fixing block in a movable tool type scaffold in the large-inclination inclined wall separating jacking type steel platform construction device in one embodiment of the invention;
fig. 4 is a schematic structural view of an adjustable inclined wall pouring formwork in the large-inclination inclined wall folding and separating jacking type steel platform construction device in an embodiment of the invention;
FIGS. 5 to 11 are schematic views of steps S1 to S7 of the construction method of the high-inclination inclined wall separation jacking type steel platform according to the embodiment of the invention;
fig. 12 is a schematic view illustrating installation of the rotary sleeve in step S2 of the construction method of the large-inclination inclined wall separation jacking type steel platform according to the embodiment of the present invention.
In the figure:
11-placing a bracket, 12-a first straight wall section, 13-a second straight wall section and 14-an inclined wall folding section; 21-a first steel platform system, 22-a second steel platform system, 23-an augmented steel platform, 24-a first steel platform system top beam, 25-a second steel platform system top beam, 26-an augmented steel platform top beam; 30-movable tool type scaffold, 31-bottom wheel clamping rail, 32-sliding bottom wheel, 33-overturn preventing clamping seat, 34-limiting fixed block, 35-track base and 36-connector; 41-inner side wooden template, 42-outer side wooden template, 43-steel pipe back edge, 44-tool type square back edge, 45-distance rigid cushion block, 46-split bolt, 47-back edge fixing clamp, 48-telescopic screw rod and 49-top supporting plate; 50-rotating the sleeve; 60-straight ribs; 70-temporary supporting steel jig; 80-temporary welding construction platform, 81-tetrafluoroethylene composite sliding structure, 82-platform base, 83-synchronous pushing jack mechanism, 84-inclination angle fine adjustment jack, 85-positioning piece, 86-limiting block and 89-inclined strut.
Detailed Description
The construction device and method for the large inclined wall partition jacking type steel platform provided by the invention are further described in detail in the following by combining the attached drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention. For convenience of description, the directions of "up" and "down" described below are the same as the directions of "up" and "down" in the drawings, but this is not a limitation of the technical solution of the present invention.
Example one
The following describes the structural components of the construction device for the high-inclination inclined wall separation jacking steel platform according to the present invention in detail with reference to fig. 1 to 12.
A large-inclination-angle inclined wall folding and separating jacking type steel platform construction device comprises a steel platform, a temporary support steel jig frame 70, a tetrafluoroethylene composite sliding structure 81 and an inclination angle fine adjustment jack 84, wherein the steel platform comprises a first steel platform system 21, a second steel platform system 22 and a supplementary steel platform 23 which are detachably connected, and the first steel platform system 21 and the second steel platform system 22 are jacked to a certain height position below the bottom end of a core barrel inclined wall folding and separating section to be poured and fixed together through a jacking oil cylinder system; the double-spliced temporary support steel jig frame 70 is arranged at the top end of the second straight wall section 13 of the core tube shear wall in a bilateral buckling mode, the supplement steel platform 23 is arranged at the upper part of the temporary support steel jig frame 70, and the top end of the temporary support steel jig frame 70 is fixedly connected with the platform base 82; the tetrafluoroethylene composite sliding structure 81 is arranged between the temporary support steel jig frame 70 and the supplemental steel platform top beam 26, and one end part of the tetrafluoroethylene composite sliding structure 81 is provided with a synchronous pushing jack mechanism 83; a plurality of inclination angle fine adjustment jacks 84 are arranged between the platform base 82 and the tetrafluoroethylene composite sliding structure 81 at intervals; in order to fixedly install the inclination angle fine adjustment jack 84, the outer sides of the bases of the inclination angle fine adjustment jacks 84 at the two ends are also provided with limit blocks 86; the end of the supplemental steel platform top beam 26 close to the second steel platform system top beam 25 is detachably connected with a positioning piece 85. The first steel platform system top beam 24 is provided with a track base 35.
When a new steel platform module system is welded and supplemented, a temporary construction platform is required to be provided for accurate welding construction, welding stress is effectively reduced, how to accurately place the hoisted supplementing module and the original steel platform formwork system is required to be comprehensively considered, welding stress is further reduced, structural strength is improved, and in addition, the problem of levelness corresponding adjustment of the original steel platform formwork system and the supplementing module is required to be comprehensively considered. And a support frame is required to be arranged below the platform through the wall body, because dense steel bar heads extend out of the surface of the wall body, a support jig frame cannot be directly arranged on the surface of the wall body, and the unevenness of the surface of the wall body cannot ensure the flatness of the upper support temporary welding construction platform, so the design needs to be comprehensively considered. The design problems mentioned above are solved by hoisting, laterally connecting with a wall body and reserving a space on the surface of the top of the wall body, wherein the temporary support steel jig frames 70 on two sides are effectively connected with a counter-pull component through embedded parts on the wall body, and the hollow area parts of the temporary support steel jig frames 70 on two sides of the upper part are connected through high-strength bolts and fasteners (the integral inverted buckle type support jig frame is designed to ensure that the small space can not be just clamped into the upper part due to unevenness of wall surfaces on two sides, the upper part platform structure is influenced, and therefore the small space is reserved in the middle of the double-spliced type support jig frame and the two sides of the small space are highly aligned to be in place and then connected). Elevations are arranged at the bottom of the temporary support steel jig frame 70 and at some key horizontal positions and are aligned with the matched measuring device of the clamping seat, so that the levelness of the upper plane of the temporary support steel jig frame 70 at two sides is ensured, the arrangement quantity of the temporary support steel jig frame 70 is calculated and set according to the load bearing condition of the upper part, and the problems are perfectly solved.
In this embodiment, it is more preferable that the positioning element 85 is of a "c" type or an inverted "L" type, and the positioning element 85 is used to ensure that the supplemental steel platform top beam 26 is in the same level with the second steel platform system top beam 25 in the pushing direction.
In the present embodiment, more preferably, the tetrafluoroethylene composite sliding structure 81 includes a tetrafluoroethylene composite sliding layer and a tray structure, and the tray structure is sandwiched between two tetrafluoroethylene composite sliding layers; the tetrafluoroethylene composite sliding layer comprises a tetrafluoroethylene plate, a rubber layer and a steel plate layer which are clamped in the middle of the tetrafluoroethylene plate, and can provide certain deformation and bear certain stress.
In this embodiment, it is more preferable that a rotating base is disposed in the middle of the synchronous pushing jack mechanism 83, a pushing head is disposed at the foremost end of the rotating base, and rotating rails are disposed on two sides of the rotating base, and the rotating base can rotate along the rotating rails by a corresponding angle. And adjusting the direction of the rotating base according to the measured inclination angle of the top beam 25 of the second steel platform system, so that the inclination angle of the ejector head is consistent with the inclination angle of the top beam 25 of the second steel platform system, and the inclination angle is used for adjusting the inclination angle of the top beam 25 of the second steel platform system.
In this embodiment, it is more preferable that the contact surface between the pushing end of the synchronous pushing jack mechanism 83 and the tetrafluoroethylene composite sliding structure 81 is provided with a reversible top joint, the free end of the reversible top joint is provided with a pin shaft, and the reversible top joint can rotate to a certain extent by taking the pin shaft as an axis. At this time, the angle of the tetrafluoroethylene composite sliding structure 81 is adjusted to be the same as the angle of the top beam 25 of the second steel platform system by the inclination fine adjustment jack 84. After the turnover top joint is contacted with the surface of the top beam 25 of the second steel platform system, the rear end of the turnover top joint moves forwards slowly and is automatically adjusted and rotated until the surface of the turnover top joint and the surface of the top beam 25 of the second steel platform system are in the same horizontal plane position relation, so that the automatic angle adjustment is realized to be aligned with the top beam 25 of the second steel platform system, and the turnover top joint of the synchronous pushing jack mechanism 83 can be slowly pushed to rotate and is vertically pushed to be tight with the top pushing surface of the tetrafluoroethylene composite sliding structure 81 with a slightly large inclination angle.
In the present embodiment, it is more preferable that a scaffold system is further included, the scaffold system including a movable tool scaffold 30 and a temporary construction scaffold, the movable tool scaffold 30 including: the utility model provides a track base 35 is gone into along orbital length direction card to instrument formula scaffold body, bottom wheel 32, the cassette 33 and the spacing fixed block 34 of preventing toppling, prevents toppling cassette 33, prevents that toppling cassette 33, and instrument formula scaffold body passes through connector 36 and bottom wheel 32 fixed connection that slides, and spacing fixed block 34 back-off sets up in the front and back both sides of bottom wheel 32 that slides, and passes through the bolt fastening. That is to say, the movable tool type scaffold 30 can be directly hoisted and installed on the track base 35 pre-arranged on the top beam 24 of the first steel platform system, the sliding bottom wheel 32 is connected at the middle position of the bottom wheel clamping rail 31, and then is laterally clamped into the anti-overturning clamping seat 33 from the track base 35, so that the anti-overturning capability can be effectively improved by combining the bottom wheel clamping rails on the two sides of the sliding bottom wheel 32 on the track base 35.
In this embodiment, it is more preferable that the system further includes an adjustable inclined wall casting formwork (not shown), the adjustable inclined wall casting formwork is fixed on the inclined cross bar at the outermost side of the movable tool type scaffold 30, the adjustable inclined wall casting formwork includes an inner side wooden formwork 41 and an outer side wooden formwork 42, a steel pipe back edge 43, and a tool type Fang Beileng, a distance between the inner side wooden formwork 41 and the outer side wooden formwork 42 is controlled by a plurality of distance rigid spacers 45, and is fixed by tie bolts 46, a tool type square back edge 44 is clamped at the outer side of the inner side wooden formwork 41 by a back edge fixing clamp 47, and a top supporting plate 49 is fixed at the outer side of the back edge fixing clamp 47 by a telescopic screw 48. The top supporting plate 49 is fixedly connected with the outermost cross bar of the movable tool type scaffold through a telescopic screw 48. By providing the distance rigid spacer 45, only one side of the plank is required to be adjusted to ensure the distance between the inner plank 41 and the outer plank 42, for example: the position between the inner side plank boards 41 or the outer side plank boards 42 may be sufficient. During construction, the BIM digitization technology can be combined, and the corresponding points of the template are accurately adjusted by the aid of the telescopic screws 48. Besides, the formwork is integrally adjusted to a preset position initially, and deformation and design consistency of the wall body of the cast eversion inclined wall section in the whole process can be guaranteed under the condition that an inclined strut structure is not needed.
With continuing reference to fig. 1 to 12, the present invention further provides a construction method of a large-inclination inclined wall partition jacking type steel platform, which includes the following steps:
s1, providing the large-inclination inclined wall folding and separating jacking type steel platform construction device for standby, jacking the integral steel platform formwork system to a certain height position below the bottom end of a to-be-cast inclined wall folding and separating section through a jacking oil cylinder system, and fixing a steel platform on a reserved hole of a first straight wall section 12 of a core barrel through a laying bracket 11 on a bottom beam of the steel platform;
step S2, welding a rotating sleeve 50 below a top beam 24 of the first steel platform system, connecting a lower straight rib 60 with an upper inclined rib after penetrating through the rotating sleeve 50, and pouring the free end of the top beam 24 of the first steel platform system into the wall body of the first straight wall section 12; the problem that the lower straight rib 60 needs to penetrate through a steel beam is solved by utilizing the rotating sleeve 50 through connection method and combining with the reinforcing ribs, the problem of construction errors possibly caused by binding the lower straight rib to the lower straight rib 60 is also solved, the rotating sleeve 50 is directly welded at the corresponding position below the top beam 24 of the first steel platform system from the lower straight rib to the top end of the lower straight rib 60, and the inner cylinder of the rotating sleeve 50 is screwed out to be effectively and mechanically connected with the lower straight rib to the lower straight rib 60. The upper reinforcing steel bars of the top beam 24 of the first steel platform system are directly connected with the rotating sleeve 50 mechanically to continue upward binding construction, and reinforcing ribs are additionally arranged at the positions, corresponding to the upper and lower rotating sleeves 50, of two sides of the web plate of the top beam 24 of the first steel platform system to reinforce.
S3, constructing an inclined strut 89, wherein the upper end of the inclined strut 89 is welded and connected with the lower flange of the top beam 24 of the first steel platform system, and the lower end of the inclined strut 89 is fixedly connected with an embedded part at the top end of the first straight wall section 12 on the left side below the inclined wall section 14;
s4, hoisting the movable tool type scaffold 30 to the track base 35 of the top beam 24 of the first steel platform system; after fixing the steel platform in the core cylinder by using the placing bracket group, cutting a top beam and a bottom beam, disassembling a connecting fastener of transverse members of a first steel platform system 21 and a second steel platform system 22 in the core cylinder at a preset splitting position, and unscrewing bolts to install protective nets on two sides of a broken side; continuing to perform jacking construction on the second steel platform system 22 by adopting a conversion jacking oil cylinder system at the right first straight wall section 12;
s5, mounting an adjustable inclined wall pouring mold frame on the inclined plane cross rod on the outermost side of the movable tool type scaffold 30, accurately adjusting the position of a template through each point telescopic screw and a BIM technology, performing pouring construction on the left inclined wall collecting section 14, and synchronously performing construction on the right first straight wall section 12;
s6, continuously building a tool type externally-hung scaffold as an outer scaffold, taking the second steel platform system 22 as an inner scaffold, connecting temporary support steel jig frames 70 on two sides of the second straight wall section 13 above the left inclined wall section 14 in a buckling manner, fixing a temporary welding construction platform 80 on the temporary support steel jig frames 70, and dismantling the temporary construction scaffold erected below the inclined wall section; in order to improve the installation efficiency of the external scaffold and ensure the construction safety, the external scaffold comprises an external tool type scaffold and a lengthened section, wherein one end of the lengthened section is connected with the second steel platform system top beam 25, the other end of the lengthened section is connected with the external tool type scaffold, and the external tool type scaffold is formed by sequentially connecting a plurality of standard sections end to end.
And S7, hoisting the supplement module, fixedly connecting the supplement module with the second steel platform system 22, completing supplement construction of the second steel platform system 22 to form a supplement steel platform 23, installing a movable tool type scaffold 30 outside the supplement steel platform 23 by using a tool type scaffold standard section and a pre-designed non-standard section which are erected previously, then installing a steel large mould, binding reinforcing steel bars and pouring concrete, and continuing to complete construction of the second straight wall section 13 and an upper structure thereof by using the supplement steel platform 23.
In this embodiment, more preferably, the first steel platform system 21 and the second steel platform system 22 are both designed in a modular manner according to the dividing and collecting condition of the inclined wall section 14 of the core tube shear wall, and the first steel platform system 21 and the second steel platform system 22 are connected through the modular member high-strength bolt.
The above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples. The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. The utility model provides a big inclination inclined wall is received and is divided jacking formula steel platform construction equipment which characterized in that includes:
the steel platform comprises a first steel platform system, a second steel platform system and a supplement steel platform which are detachably connected, and the first steel platform system and the second steel platform system are jacked to a certain height position below the bottom end of the inclined wall section of the core barrel to be cast through a jacking oil cylinder system and are fixed;
the temporary support steel jig frame is arranged at the top end of the second straight wall section of the core tube shear wall in a bilateral buckling mode, and the supplemental steel platform is arranged at the upper part of the temporary support steel jig frame;
the tetrafluoroethylene composite sliding structure is arranged between the temporary support steel jig frame and the top beam of the second steel platform system, and one end part of the tetrafluoroethylene composite sliding structure is provided with a synchronous pushing jack mechanism;
the inclination angle fine adjustment jacks are arranged between the platform base and the tetrafluoroethylene composite sliding structure at intervals;
and one end of the supplemental steel platform top beam, which is close to the second steel platform system top beam, is detachably connected with the positioning piece.
2. The high-inclination inclined wall collapsing and jacking type steel platform construction device according to claim 1, wherein the positioning piece is of a ] type or an inverted L-shaped structure.
3. The large-inclination inclined wall folding and separating jacking type steel platform construction device according to claim 1, wherein the tetrafluoroethylene composite sliding structure comprises a tetrafluoroethylene composite sliding layer and a tray structure, and the tray structure is clamped between two layers of tetrafluoroethylene composite sliding layers; the tetrafluoroethylene composite sliding layer comprises a tetrafluoroethylene plate, a rubber layer and a steel plate layer which are clamped in the middle of the tetrafluoroethylene plate.
4. The large-inclination inclined wall collapsing and jacking type steel platform construction device according to claim 1, wherein a rotating base is arranged in the middle of the synchronous jacking jack mechanism, a jacking head is arranged at the foremost end of the rotating base, rotating rails are arranged on two sides of the rotating base, and the rotating base can rotate along the rotating rails by a corresponding angle.
5. The large-inclination inclined wall folding and lifting type steel platform construction device as claimed in claim 1, wherein the top pushing end of the synchronous top pushing jack mechanism and the top beam contact surface of the second steel platform system are provided with a turnover top joint, the free end of the turnover top joint is provided with a pin shaft, and the turnover top joint can rotate in a certain range by taking the pin shaft as an axis.
6. The high tilt angle inclined wall folding and unfolding jacking type steel platform construction device according to claim 1, further comprising a scaffold system, wherein the scaffold system comprises a movable tool type scaffold and a temporary construction scaffold, and the movable tool type scaffold comprises: the utility model provides a track base is gone into to instrument formula scaffold frame body, return pulley that slides, prevent overturning cassette and spacing fixed block, prevent overturning cassette along orbital length direction card, instrument formula scaffold frame body passes through connector and the return pulley fixed connection that slides, spacing fixed block back-off sets up in both sides around the return pulley that slides, and passes through the bolt fastening.
7. The large-inclination inclined wall folding and jacking type steel platform construction device according to claim 6, further comprising an adjustable inclined wall pouring formwork, wherein the adjustable inclined wall pouring formwork is fixed on the inclined plane cross bar at the outermost side of the movable tool type scaffold, the adjustable inclined wall pouring formwork comprises an inner side wood formwork, an outer side wood formwork, a steel pipe back edge and a tool type Fang Beileng, the distance between the inner side wood formwork and the outer side wood formwork is controlled through a plurality of fixed-distance rigid cushion blocks and is fixed by pulling bolts, the tool type square back edge is clamped at the outer side of the inner side wood formwork through a back edge fixing clamp, and a jacking plate is fixed at the outer side of the back edge fixing clamp through a telescopic screw.
8. A construction method for a large-inclination-angle inclined wall separation jacking type steel platform is characterized by comprising the following steps:
s1, providing the large-inclination inclined wall dividing and jacking type steel platform construction device as claimed in any one of claims 1 to 7 for standby, jacking the integral steel platform formwork system to a certain height position below the bottom end of the divided section of the inclined wall to be cast through a jacking oil cylinder system, and fixing the steel platform on a reserved hole of the first vertical wall section of the core barrel through a laying bracket on a bottom beam of the steel platform;
s2, welding a rotating sleeve below a top beam of the first steel platform system, connecting a lower straight rib with an upper inclined rib after the lower straight rib penetrates through the rotating sleeve, and pouring the free end of the top beam of the first steel platform system into a wall body of the first straight wall section;
s3, constructing an inclined strut, wherein the upper end of the inclined strut is welded with the bottom flange of the top beam of the first steel platform system, and the lower end of the inclined strut is fixedly connected with an embedded part at the top end of the first straight wall section on the left side below the inclined wall section;
s4, hoisting the movable tool type scaffold to a track base of a top beam of the first steel platform system; continuing jacking construction of a second steel platform system by adopting a conversion jacking oil cylinder system at the first right-side straight wall section;
s5, mounting an adjustable inclined wall pouring mold frame on the outermost inclined plane cross rod of the movable tool type scaffold, accurately adjusting the position of a template through each point telescopic screw and a BIM (building information modeling) technology, performing left inclined wall sectional pouring construction, and synchronously performing right first straight wall sectional construction;
s6, continuously setting up tool type external hanging scaffolds as external scaffolds, taking a second steel platform system as an internal scaffold, connecting temporary support steel jig frames on two sides of the top end of a second straight wall section above the left inclined wall section in a buckling manner, fixing a temporary welding construction platform on the temporary support steel jig frames, and removing the temporary construction scaffold erected below the inclined wall section;
and S7, completing the augmentation construction of the second steel platform system to form an augmentation steel platform, installing a movable tool type scaffold outside the augmentation steel platform by utilizing the previously erected tool type scaffold standard knot and a pre-designed non-standard section, then installing a steel large mould, binding reinforcing steel bars, pouring concrete, and continuously completing the construction of the second straight wall section and the upper structure thereof by utilizing the augmentation steel platform.
9. The method according to claim 8, wherein the first steel platform system and the second steel platform system are both designed in a modular mode according to the sectional and the sectional conditions of the inclined wall of the core barrel shear wall, and the first steel platform system and the second steel platform system are connected through modular components and high-strength bolts.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211243467.XA CN115306152B (en) | 2022-10-12 | 2022-10-12 | Large-inclination-angle inclined wall folding and separating jacking type steel platform construction device and method |
| PCT/CN2023/084697 WO2024077880A1 (en) | 2022-10-12 | 2023-03-29 | Inclining jacking-type steel platform construction apparatus and method for inclining walls having large inclination angle |
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| CN202211243467.XA CN115306152B (en) | 2022-10-12 | 2022-10-12 | Large-inclination-angle inclined wall folding and separating jacking type steel platform construction device and method |
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| WO2024077880A1 (en) * | 2022-10-12 | 2024-04-18 | 上海建工一建集团有限公司 | Inclining jacking-type steel platform construction apparatus and method for inclining walls having large inclination angle |
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Also Published As
| Publication number | Publication date |
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| CN115306152B (en) | 2022-12-16 |
| WO2024077880A1 (en) | 2024-04-18 |
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