CN111979925B - Construction method for pouring diaphragm plate in hollow thin-wall pier by using fabricated construction platform - Google Patents
Construction method for pouring diaphragm plate in hollow thin-wall pier by using fabricated construction platform Download PDFInfo
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- CN111979925B CN111979925B CN202010967124.2A CN202010967124A CN111979925B CN 111979925 B CN111979925 B CN 111979925B CN 202010967124 A CN202010967124 A CN 202010967124A CN 111979925 B CN111979925 B CN 111979925B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
Abstract
The invention provides a construction method for pouring a diaphragm plate in a hollow thin-wall pier by using an assembled construction platform, which comprises the following steps: the device is provided, the height-adjusting assembly is installed, the hoisting unit is hoisted and installed, the limiting assembly is installed, the reinforcing assembly is installed, the height is adjusted, the transverse partition plate is constructed, and the assembly type construction platform is disassembled and recycled. The invention not only improves the working efficiency of pouring the diaphragm plate, but also can recycle the assembled construction platform and improve the construction environment of operators.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of bridge construction, in particular to a construction method for pouring a diaphragm plate in a hollow thin-wall pier by using an assembled construction platform.
[ background of the invention ]
The hollow thin-wall pier of the bridge belongs to a flexible structure on the stress characteristic, a transverse clapboard arranged at the corresponding height position of the inner edge of the pier body is an important permanent structure for improving the integral rigidity and stability of the pier body, and a plurality of transverse clapboards are arranged in the height direction of the pier body. The hollow thin-wall pier construction is generally carried out by steel bar installation and concrete pouring in sections, namely after the concrete of the pier body poured in the previous section is formed and reaches the specified strength, the next section of the pier body is continuously constructed upwards. The existing diaphragm plate construction process usually needs to pre-embed a section steel corbel or a steel bar as a main stress bearing at a proper position of a pouring section inner wall in front of a formed pier body, then a welding process is adopted to set up an all-steel platform, and the all-steel platform is used as a diaphragm plate construction platform, although the effectiveness of the diaphragm plate construction platform is proved by a large amount of past construction practices, the following defects can not be avoided:
first, the economy is extremely poor
Under this kind of construction platform condition, the diaphragm has in case pour the shaping, has pour the section to the pier shaft promptly and has carried out "capping", only leaves the narrow people's hole in diaphragm middle part as upper and lower passageway, and the diaphragm bottom surface is hugged closely rather than the full steel platform in below, so to be very difficult to the recovery work of demolising of platform steel. In order to ensure the construction progress in many construction practices, the construction platform below the diaphragm plate is directly selected to be abandoned without being disassembled. The cross section size of the hollow thin-wall pier is larger, the steel consumption of a steel platform for constructing the diaphragm plate is generally about 8 t-12 t by statistics, the installation cost unit price of the steel platform is about 6000 yuan/t according to the average price of steel purchase in recent years, and the transportation cost, the processing cost, the labor cost and the mechanical cost are added, if the steel platform is abandoned and not detached, the loss cost is about 48000 yuan-72000 yuan for constructing one diaphragm plate. If choose to retrieve platform steel, then must utilize professional hoist with the operation personnel to transfer to the cross slab bottom through cross slab manhole and demolish the operation. Because the platform is built by welding, operators only use the oxygen cutting or abrasive wheel saw cutting mode to 'dismiss' the platform and lift the platform out through the manhole one by one, but the recovery rate of the steel recovered by the mode is usually not more than 30 percent, and the recovered steel is difficult to be used as structural steel due to more cutting damage and can only be treated as waste steel.
Secondly, the assembly type construction requirements are not met, the operation efficiency is low, and the potential safety hazard is large
The mounting mode of the construction platform mainly comprises embedding and welding, the dismounting mode mainly comprises cutting by using a tool, the construction platform belongs to high-altitude operation with large hidden danger, and in the initial mounting stage and the whole dismounting process, no working surface is arranged under feet of an operator, and the operator needs to suspend a half-space by using a professional lifting appliance for operation. Therefore, the installation and the disassembly of the diaphragm plate construction platform do not respond to the requirements of assembly type construction, the operation efficiency is low, and the potential safety hazard is large.
Thirdly, the occupational health of the operating personnel cannot be guaranteed:
because the poured section of the pier body is subjected to capping after the construction of the diaphragm plate is finished, when the platform is dismantled, the construction condition of the inner cavity of the pier body below the manhole is severe, on one hand, an operator works in an environment with low visibility and is in a suspended state; on the other hand, the hazards of waste smoke, waste gas, powder, sparks and the like generated when cutting the platform steel material to the health of the worker in the relatively airtight environment are not negligible.
[ summary of the invention ]
The invention aims to solve at least one of the technical problems, and provides a construction method for pouring a diaphragm plate in a hollow thin-wall pier by using an assembly type construction platform, which not only improves the working efficiency of pouring the diaphragm plate, but also can recover the assembly type construction platform and improve the construction environment of operators.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a construction method for pouring a diaphragm plate in a hollow thin-wall pier by using an assembled construction platform comprises the following steps:
a supply device: providing an assembly type construction platform and a hoisting device, wherein the assembly type construction platform comprises a limiting component, a reinforcing component, a height-adjusting component and a plurality of hoisting units, the hoisting units are arranged at intervals and comprise two bearing pieces, and the two opposite ends of the two bearing pieces are rotatably connected so that the two bearing pieces can be folded; the limiting assembly is detachably connected with the two bearing parts of the hoisting units to prevent the two bearing parts from rotating mutually; the reinforcing component is arranged between every two hoisting units and detachably connected with the bearing parts of the adjacent hoisting units respectively; the height-adjusting assembly is penetratingly provided with an operation groove for a reinforcing assembly and a hoisting unit to pass through, the height-adjusting assembly is connected with the bearing part, and the height-adjusting assembly can drive the hoisting unit to move in the height direction so as to adjust the height of the hoisting unit;
installing a height-adjusting assembly: installing the height-adjusting assembly on a top opening of a poured section of the pier body;
hoisting and installing a hoisting unit: rotating the two bearing parts to a folded state, hoisting the two bearing parts in the folded state from the operation groove to an inner cavity of a poured pier body section by using a hoisting device, unfolding the two bearing parts, and connecting the height adjusting assembly with the bearing parts; repeating the steps on a plurality of hoisting units to finish the hoisting and mounting operations of the hoisting units;
installing a limiting assembly: the limiting assembly is detachably connected with two bearing parts of the hoisting units;
installing a reinforcing component: hoisting the reinforcing component from the operation groove to an inner cavity of the poured pier body section by using a hoisting device, and detachably connecting the reinforcing component with the bearing parts of the adjacent hoisting units respectively;
height adjustment: the height adjusting assembly is used for driving the hoisting unit to move in the height direction so as to adjust the height of the hoisting unit and complete the installation of the fabricated construction platform;
construction of the diaphragm plate: paving a building bottom die on one side, facing a top opening of a poured section, of the fabricated construction platform, pouring a transverse clapboard with a preset thickness on the building bottom die, and reserving a man hole on the transverse clapboard;
the assembly type construction platform is disassembled and recovered: adopting the height-adjusting assembly to move the hoisting units towards the direction of the transverse clapboard deviating from the top opening of the poured section of the pier body; disassembling the building bottom die, lifting the disassembled building bottom die from the inner cavity of the pier body from the manhole, and after disassembling the reinforcing assembly and the limiting assembly, sequentially lifting the reinforcing assembly and the limiting assembly from the manhole to the poured section of the pier body by using a lifting device; sequentially removing the connection between the hoisting units and the height-adjusting assembly, rotating the two bearing parts to a folded state, and hoisting the two bearing parts in the folded state away from a poured section of the pier body by using a hoisting device; and removing the height-adjusting assembly.
Furthermore, the reinforcing component comprises a lower hanging steel wire rope and a plurality of distribution beams, the distribution beams are arranged at intervals along the length direction of the bearing part, two opposite ends of each distribution beam are respectively detachably connected with the bearing part of an adjacent hoisting unit, the lower hanging steel wire rope extends along the length direction of the bearing part, and the lower hanging steel wire rope is connected with the distribution beams;
in the installation and reinforcement assembly, a hoisting device is adopted to hook and hold the lower hanging steel wire rope, the reinforcement assembly is hoisted to an inner cavity of the poured section of the pier body along the operation groove, and a plurality of distribution beams are detachably connected with bearing parts of two adjacent hoisting units;
in the 'disassembly and recovery of the fabricated construction platform', the connection between the distribution beam and the bearing part is removed, and the two opposite ends of the lower hanging steel wire rope are lifted and lifted away from the pier body from the manhole to form a poured section.
Furthermore, the bearing part comprises a cross beam, a hoisting point wrapping plate, a rotating plate and a plurality of positioning groove plates, the hoisting point wrapping plate is wrapped outside the cross beam, one end of the rotating plate is connected with one end of the cross beam facing to the other bearing part, the other end of the rotating plate is rotatably connected with the rotating plate of the other bearing part, and the plurality of positioning groove plates are arranged at intervals along the length direction of the cross beam; the limiting assembly is detachably connected with the cross beams of the two bearing parts; one end of the height-adjusting assembly is connected with the hoisting point wrapping plate and the cross beam; the two opposite ends of the distribution beam are respectively detachably connected with the positioning groove plates on the adjacent cross beams; the lower hanging steel wire rope extends along the length direction of the cross beam;
in the hoisting and installation hoisting unit, two bearing parts are rotated along the joint of the rotating plate so as to rotate the two bearing parts to a state of being folded in half;
in the installation and reinforcement assembly, a plurality of distribution beams are detachably connected with a plurality of positioning groove plates of bearing parts of two adjacent hoisting units.
Furthermore, the assembly type construction platform comprises a reinforcing screw rod, and the reinforcing screw rod is detachably inserted into the plurality of positioning groove plates of the bearing part and the plurality of distribution beams of the reinforcing component so as to detachably connect the distribution beams and the positioning groove plates together;
in the installation and reinforcement assembly, the specific method for detachably connecting the distribution beam and the positioning groove plate comprises the following steps: reinforcing screws penetrate through and are fixed on the distribution beams and the positioning groove plates of the bearing part;
in the disassembly and recovery of the assembly type construction platform, the reinforcing screw is pulled away from the distribution beam and the bearing part along the length direction of the reinforcing screw, so that the reinforcing screw moves towards the direction corresponding to the human tunnel, the reinforcing screw is lifted away from the inner cavity of the pier body, and then the reinforcing component is disassembled.
Furthermore, the limiting assembly comprises two groups of braking clamping plates and a limiting beam, the two groups of braking clamping plates are respectively detachably connected with the cross beams of the two bearing parts, and two opposite sides of the limiting beam are respectively detachably connected with the two groups of braking clamping plates on the hoisting units;
in the installation limiting assembly, two groups of braking clamping plates are respectively detachably installed on the cross beams of two bearing parts of a plurality of hoisting units, and then the two opposite sides of the limiting beam are respectively detachably connected with the two groups of braking clamping plates;
in the 'disassembly and recovery of the assembly type construction platform', the connection between the limiting beam and the braking clamping plate and the connection between the braking clamping plate and the cross beam are disassembled, and the braking clamping plate and the limiting beam are lifted away from the pier body from the manhole to form a poured section.
Furthermore, the height adjusting assembly comprises a top seat and a plurality of height adjusting rods, the top seat is arranged opposite to the cross beam, a plurality of operation grooves are arranged on the top seat in a penetrating manner, one ends of the height adjusting rods are detachably connected with the hoisting point wrapping plate and the cross beam, and the other ends of the height adjusting rods extend in the direction far away from the hoisting unit and are connected with the top seat;
in the 'installation height-adjusting assembly', the top seat is installed at the top opening of the poured section of the pier body;
in the "hoisting and mounting hoisting unit", a specific method of connecting one end of the height-adjusting assembly with the bearing member "is as follows: one end of each of the plurality of height-adjusting rods penetrates through the top seat and is detachably connected with the top seat, and the other end of each of the plurality of height-adjusting rods is pushed into an inner cavity of the pier body of the poured section of the pier body and is detachably connected with a hoisting point package plate and a cross beam of the bearing part;
in the ' disassembly and recovery of the fabricated construction platform ', a specific method for moving the plurality of hoisting units towards the direction of the top opening of the diaphragm plate departing from the poured section of the pier body by adopting the height-adjusting assembly ' comprises the following steps: demolish the height-adjusting pole that is located the top mouth middle part, remain the height-adjusting pole that is located the relative both sides of top mouth, utilize the height-adjusting pole that remains with a plurality of hoisting unit moves the default distance towards the top mouth direction that the cross slab deviates from the pier shaft and has pour the section.
Further, the preset distance is the length of the hoisting unit in a folded state.
Furthermore, the two bearing parts are rotationally connected through a rotating pin shaft;
the lifting device lifts the two bearing parts in the folded state through the rotating pin shaft.
Furthermore, the 'providing device' also provides a hydraulic penetrating jack, the hydraulic penetrating jack is used in the 'height adjustment', and the hydraulic penetrating jack is used for assisting in adjusting the overall height of the hoisting units.
Furthermore, in the hoisting and installation hoisting unit, a movable sleeve is movably sleeved on the part of the heightening component, which is positioned in the inner cavity of the pier body, before one end of the heightening component is connected with the bearing part.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
1. the construction method for pouring the diaphragm plate in the hollow thin-wall pier by using the fabricated construction platform comprises the steps of hoisting two bearing parts in a folded state from an operation groove to an inner cavity of a poured section of a pier body, unfolding the two bearing parts, connecting the two bearing parts with a height-adjusting component, connecting a limiting component and a reinforcing component with a plurality of hoisting units to complete the building of the fabricated construction platform, adjusting the height of the hoisting units by the height-adjusting component to complete the building of the fabricated construction platform in the inner cavity of the pier body, dismounting the limiting component after the construction of the diaphragm plate, rotating the two bearing parts to the folded state, hoisting the bearing parts out of a manhole, dismounting the height-adjusting component, and accordingly, the building of the fabricated construction platform can be realized only by mounting and connecting the components, and the components can be dismounted and recycled after the construction of the diaphragm plate is completed, compared with the building of an all-steel platform by adopting a welding process in the prior art, the construction, the disassembly and the recovery of the assembly type construction platform avoid the defects in the links of pre-buried welding installation and cutting dismantling of the original process, and the working efficiency can be greatly improved.
In addition, the assembly type construction platform is assembled and disassembled on site without welding and cutting, so that the damage of waste smoke, waste gas, powder, sparks and the like generated by corresponding operation to operators is avoided, and the construction environment of the operators is improved.
2. The distribution beams are connected through the lower hanging steel wire rope, the distribution beams can be lifted into and out of the inner cavity of the pier body through the lower hanging steel wire rope when the assembly type construction platform is installed and disassembled, the overall assembly degree of the whole assembly type construction platform is improved, and the construction progress can be accelerated.
3. The distribution beams and the positioning groove plates are connected through the reinforcing screw rods, and the connection stability of the middle cross beams of the two adjacent hoisting units can be reinforced, so that the overall firmness and stability of the assembly type construction platform are improved.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of a fabricated construction platform according to a preferred embodiment of the present invention.
Fig. 2 is a schematic structural view of the hoisting unit in fig. 1.
Fig. 3 is a schematic view of the two load bearing members of fig. 2 in a folded-over position.
Fig. 4 is a schematic view of the installation of the load bearing member and the reinforcing member.
Fig. 5 is a schematic structural view of a reinforcing member.
Fig. 6 is a schematic view of the reinforcement assembly of fig. 5 in a lifted state.
Fig. 7 is an installation schematic diagram of the bearing member, the reinforcing component and the limiting component.
Fig. 8 is a schematic view of a construction method for pouring the diaphragm plate in the hollow thin-wall pier by using the fabricated construction platform.
In the attached drawing, 100-pier body poured sections, 200-diaphragm plates, 201-manhole, 1-limiting assemblies, 11-braking clamping plates, 111-transverse plates, 112-vertical plates, 12-limiting beams, 2-height adjusting assemblies, 21-top seats, 211-operation grooves, 212-strip-shaped pedestals, 213-strip-shaped steel, 214-gaskets, 22-height adjusting rods, 3-hoisting units, 31-bearing parts, 311-cross beams, 312-hoisting point wrapping plates, 313-rotating plates, 314-positioning groove plates, 315-rotating pin shafts, 316-bases, 317-limiting plates, 4-reinforcing assemblies, 41-lower hanging steel wire ropes, 42-distributing beams and 5-reinforcing screws.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 8, a preferred embodiment of the present invention provides an assembly type construction platform for constructing a diaphragm 200 in a hollow thin-walled pier of a bridge, comprising a limiting component 1, a reinforcing component 4, a height-adjusting component 2 and a plurality of hoisting units 3, wherein the hoisting units 3 are arranged at intervals, each hoisting unit 3 comprises two bearing members 31, and two opposite ends of each of the two bearing members 31 are rotatably connected to each other, so that the two bearing members 31 can be folded in half; the limiting assembly 1 and the two bearing parts 31 of the plurality of hoisting units 3 can be detachably connected so as to prevent the two bearing parts 31 from rotating mutually; a reinforcing component 4 is arranged between every two hoisting units 3, and the reinforcing components 4 are respectively connected with the bearing parts 31 of the two adjacent hoisting units 3; heightening component 2 is equipped with operation groove 211 with running through, and heightening component 2's one end and bearing member 31 can be dismantled and be connected, and heightening component 2's the other end extends towards the direction of keeping away from hoist and mount unit 3, and heightening component 2 can drive hoist and mount unit 3 and remove on the direction of height to adjust hoist and mount unit 3's height.
The fabricated construction platform is characterized in that two bearing parts 31 in a folded state are hoisted to the inner cavity of the poured pier body section 100 from an operation groove 211, the two bearing parts 31 are unfolded and then connected with a height-adjusting component 2, a limiting component 1 and a reinforcing component 4 are connected with a plurality of hoisting units 3, then the fabricated construction platform is built, and the height of the hoisting units 3 is adjusted through the height-adjusting component 2, namely the fabricated construction platform is built in the inner cavity of the pier body; after accomplishing the diaphragm plate 200 construction, rotate two bearing pieces 31 behind the dismantlement spacing subassembly 1 and hang out from people's hole 201 to the fifty percent discount state, dismantle the subassembly of increaseing 2 again, it is thus clear that, the buildding of assembled construction platform only through with each subassembly erection joint can, and can dismantle and retrieve each subassembly after accomplishing the diaphragm plate 200 construction, set up all steel platform with the adoption welding process among the prior art and compare, the buildding of assembled construction platform, dismantle and retrieve the drawback in the link is demolishd in the pre-buried welding installation and the cutting that have all avoided original technology, can increase substantially work efficiency. In addition, compared with the recovery rate of only 30% of the original process construction platform, the recovery rate of the product is close to 100%, and the reutilization rate is also close to 100%.
In addition, in the aspects of professional health and environmental protection, firstly, the product is assembled and disassembled on site without welding and cutting, so that the harm of waste smoke, waste gas, powder, sparks and the like generated by corresponding operation to operators is avoided; secondly, in the process of removing the platform, the operator can use the hoisting unit 3 as a standing surface when operating below the diaphragm plate 200, and only simple operations such as bolt removal, hanging of the hoisting tool and the like are performed, so that the construction environment is safer.
In this embodiment, the bearing member 31 includes a cross beam 311, a suspension point covering plate 312, a rotating plate 313 and a plurality of positioning slot plates 314. The hoisting point clad plates 312 are clad outside the cross beams 311, specifically, each bearing member 31 comprises two cross beams 311 and three hoisting point clad plates 312, the cross beams 311 are light rectangular steel pipes, the two cross beams 311 are arranged side by side, the three hoisting point clad plates 312 are arranged at intervals along the length direction of the cross beams 311, and each hoisting point clad plate 312 is clad outside the two cross beams 311 so as to fix the two cross beams 311; hoisting holes are formed in two opposite sides of the hoisting point wrapping plate 312 in the vertical direction, and the cross beam 311 is provided with avoiding holes corresponding to the hoisting holes. The bottoms of one ends of the two cross beams 311 are respectively provided with a base 316. The end of the cross beam 311 far from the base 316 is provided with two groups of rotating plates 313, the rotating plates 313 are also rotatably connected with the rotating plates 313 of the other bearing part 31, specifically, the number of the rotating plates 313 is two, the two groups of rotating plates 313 are respectively arranged at the same end of the two cross beams 311, and the end is the end facing the other bearing part 31; each group comprises two rotating plates 313, the two rotating plates 313 are respectively arranged along the width direction of the corresponding cross beam 311, one ends of the two rotating plates 313 are respectively connected with two opposite sides of the corresponding cross beam 311, the two rotating plates 313 are installed on the cross beam 311 through bolts, the other ends of the two rotating plates 313 extend towards the ground in an inclined mode and are respectively connected with the two groups of rotating plates 313 of the other bearing part 31 in a rotating mode, so that the two bearing parts 31 can be folded in half when rotating, and the figure 3 is shown. The plurality of positioning groove plates 314 are arranged along the length direction of the cross beam 311 at intervals, specifically, the two cross beams 311 are provided with the plurality of positioning groove plates 314, the plurality of positioning groove plates 314 on each cross beam 311 are arranged along the length direction of the cross beam 311 at intervals, and each positioning groove plate 314 is provided with a positioning reinforcing hole.
The spacing assembly 1 is detachably connected with the cross beams 311 of the two bearing parts 31. In this embodiment, the limiting assembly 1 includes two sets of braking clamping plates 11 and a plurality of limiting beams 12, the two sets of braking clamping plates 11 are respectively detachably connected to the cross beams 311 of the two bearing members 31, specifically, each set of braking clamping plates 11 includes a plurality of braking clamping plates 11, and one braking clamping plate 11 is detachably mounted on the cross beam 311 of one bearing member 31 in the plurality of hoisting units 3; the braking catch plate 11 comprises a transverse plate 111 and a vertical plate 112, the transverse plate 111 and the vertical plate 112 are integrally formed, one side of the transverse plate 111 is connected with one side of the vertical plate 112, and the transverse plate 111 is perpendicular to the vertical plate 112; the transverse plates 111 of the two brake catch plates 11 are respectively mounted on the cross beams 311 of the two bearing members 31 by screws and located at one end of the corresponding cross beam 311 far away from the base 316, so that a mounting groove is formed between the two vertical plates 112. Two sets of braking cardboard 11 on a plurality of pin hoist and mount units 3 are detachable connection respectively to the relative both sides of spacing roof beam 12, and is concrete, and the quantity of spacing roof beam 12 is two, and two spacing roof beams 12 set up along the width direction interval of crossbeam 311, and the relative both sides of each spacing roof beam 12 are respectively through screw and riser 112 detachable connection of two sets of braking cardboard 11 to avoid two bearings 31 rotation each other.
In this embodiment, the two bearing members 31 are rotatably connected by a rotating pin 315, specifically, the rotating pin 315 sequentially passes through one end of the two sets of rotating plates 313 away from the cross beam 311, and two opposite ends of the rotating pin 315 are respectively sleeved with a limiting plate 317. The product hoisting unit 3 has the functions of rotation and folding by rotating the pin shaft 315, the folded hoisting unit 3 can be hoisted and recovered sequentially through the transverse partition plate 200 by using the existing hoisting equipment in the construction site, such as a chain block, a tower crane and the like, and in terms of hoisting the weight of the hoisting unit 3, a product bearing beam customized by the construction of the hollow pier transverse partition plate 200 with the wall thickness of 80cm and the cross-sectional dimension of 9.5m multiplied by 9.5m is taken as an example, the weight of one hoisting unit 3 is only 1.9t, and the product bearing beam can be easily hoisted by using the chain block 2.5 t.
In the present embodiment, the number of the reinforcing members 4 is several, and one reinforcing member 4 is detachably connected to the cross beam 311 of the bearing member 31 of two adjacent hoisting units 3. The reinforcing component 4 comprises a lower hanging steel wire rope 41 and a plurality of distribution beams 42, the distribution beams 42 are arranged along the length direction of the bearing part 31 at intervals, the two opposite ends of each distribution beam 42 are respectively detachably connected with the bearing part 31 of the adjacent hoisting unit 3, concretely, the distribution beams 42 are light rectangular pipes, the distribution beams 42 are arranged along the length direction of the cross beam 311 at intervals, the two opposite ends of each distribution beam 42 are respectively located in the two positioning groove plates 314 of the adjacent hoisting unit 3, and the distribution beams 42 are provided with inserting holes corresponding to the positioning groove plates 314 so as to enable the distribution beams 42 to be detachably connected with the two positioning groove plates 314. The concrete implementation method of the detachable connection of the distribution beam 42 and the two positioning groove plates 314 is as follows: assembled construction platform includes reinforcing screw 5, reinforcing screw 5 can wear to establish a plurality of positioning groove board 314 of bearing part 31 and a plurality of distribution roof beam 42 of reinforcing subassembly 4 detachably, in order to link together distribution roof beam 42 and positioning groove board 314 detachably, it is concrete, reinforcing screw 5 adopts the nut to consolidate behind the spliced eye of positioning groove board 314's location reinforcement hole and distribution roof beam 42, with fixed distribution roof beam 42 and positioning groove board 314, thereby realize the detachable connection of distribution roof beam 42 and two positioning groove boards 314, thereby consolidate the stability of being connected of crossbeam 311 in two adjacent hoist and mount units 3, promote the holistic fastness and the stability of assembled construction platform.
The lower hanging steel wire rope 41 extends along the length direction of the bearing part 31, the lower hanging steel wire rope 41 is connected with the distribution beams 42, specifically, the lower hanging steel wire rope 41 is approximately in a strip-shaped ring shape, the whole lower hanging steel wire rope 41 extends along the length direction of the cross beam 311, one side, facing the cross beam 311, of each distribution beam 42 is provided with a steel wire rope clamping head, the steel wire rope clamping heads are located between the bearing parts 31 of the adjacent hoisting units 3, the lower hanging steel wire rope 41 penetrates through the steel wire rope clamping heads of the distribution beams 42 in a sliding mode to be connected with the distribution beams 42, and when the two opposite ends of the lower hanging steel wire rope 41 are hoisted, the distribution beams 42 slide and approach to the middle position of the lower hanging steel wire rope 41. The steel wire rope clamping head arranged at the bottom of the distribution beam 42 is used for simultaneously penetrating the upper and lower hanging steel wire ropes 41 when the distribution beam 42 is installed, so that the distribution beam 42 is integrally lifted and folded when being disassembled in the later period and then is lifted out of the man hole 201, the distribution beam 42 is provided with three standard length sizes of 75cm, 100cm and 150cm, the three standard length sizes are not limited to the three standard length sizes when being customized according to actual conditions, and the total weight of one hanging of the reinforcing component 4 in the lifting and folding state is only about 0.3t by taking the distribution beam with the length of 100cm as an example, so that the steel wire rope clamping head is very light.
One end of the height-adjusting assembly 2 is connected with the hoisting point wrapper 312. In the present embodiment, the height adjustment assembly 2 includes a top seat 21 and a plurality of height adjustment rods 22. The top seat 21 is arranged opposite to the cross beam 311, the top seat 21 is provided with a plurality of operation grooves 211 in a penetrating manner, the operation grooves 211 are distributed on the top seat 21 at intervals and are communicated with the inner cavity and the outer part of the pier body poured section 100, specifically, the top seat 21 comprises two strip-shaped pedestals 212 and a plurality of strip-shaped steel sections 213, the two strip-shaped pedestals 212 are arranged oppositely and are parallel to each other, and the strip-shaped steel sections 213 are arranged at intervals along the length direction of the strip-shaped pedestals 212 so as to form the operation grooves 211 between the two adjacent strip-shaped steel sections 213; the strip steel 213 is provided with a through hole for the installation of the height adjusting rod 22. One end of each of the height-adjusting rods 22 is detachably connected to the hoisting point wrapping plate 312, specifically, the height-adjusting rods 22 are made of finish-rolled deformed steel bars, and one end of each of the height-adjusting rods 22 passes through the hoisting hole of the hoisting point wrapping plate 312, the avoiding hole of the cross beam 311 and the inserting hole of the bar-shaped steel 213 and is fixed by a nut. The other end of a plurality of height adjusting rods 22 extends towards the direction of keeping away from the hoisting unit 3 and is connected with the top seat 21, concretely, the other end of the height adjusting rods 22 runs through the strip steel 213 and is sleeved with the gasket 214, the gasket 214 is located on one side of the strip steel 213 deviating from the hoisting unit 3, and one side of the height adjusting rods 22 deviating from the gasket 214 is fixed by adopting a nut.
The embodiment also provides a construction method for pouring the diaphragm plate in the hollow thin-wall pier by using the fabricated construction platform, the construction method comprises an installation method of the fabricated construction platform, construction of the diaphragm plate 200 and a disassembly and recovery method of the fabricated construction platform, and the construction method specifically comprises the following steps:
first, a method of installing an assembly type construction platform
A supply device: the fabricated construction platform and the hoisting device are provided.
Installing the height-adjusting assembly 2: the height-adjusting assembly 2 is installed at the top opening of the pier shaft poured section 100, in this embodiment, the top seat 21 is installed at the top opening of the pier shaft poured section 100, specifically, the two strip-shaped pedestals 212 are respectively installed at two opposite sides of the top opening of the pier shaft poured section 100 by using bolts, and the plurality of strip-shaped steels 213 are installed at one side of the two strip-shaped pedestals 212 departing from the pier shaft poured section 100 by using bolts at intervals.
Hoisting and installing the hoisting unit 3: rotate two bearing parts 31 along the junction of rotating plate 313 and in order to rotate two bearing parts 31 to the state of fifty percent discount, adopt hoisting accessory will be in two bearing parts 31 of fifty percent discount state and hang from operation groove 211 and send to the pier shaft inner chamber of pier shaft section 100 of pouring, in this embodiment, hoisting accessory hoists two bearing parts 31 that are in the fifty percent discount state through rotating pin shaft 315, and is concrete: the hoisting device hoists the rotating pin shaft 315 to hoist the two bearing parts 31 in the folded state from the operation groove 211 to the inner cavity of the poured pier body section 100; the hoisting device can be a crane, etc., which belongs to the prior art and is not described herein for brevity.
When the hoisting unit 3 is installed, the operator takes the heightening component 2 as a standing surface, unfolds the two bearing parts 31, and connects the heightening component 2 with the bearing parts 31, in this embodiment, the operator takes one surface of the strip steel 213 departing from the poured pier body section 100 as a standing surface, penetrates one ends of the heightening rods 22 through the strip steel 213 of the top seat 21 and is detachably connected with the strip steel 213, and pushes the other ends of the heightening rods 22 towards the inner cavity of the pier body of the poured pier body section 100 and is detachably connected with the hoisting point wrapping plate 312 and the cross beam 311 of the bearing part 31.
Specifically, a gasket 214 is arranged on one side of the strip steel 213, which deviates from the hoisting unit 3, a nut is screwed into one end of each of the plurality of height-adjusting rods 22, which deviates from the hoisting unit 3, the other ends of the plurality of height-adjusting rods 22 penetrate through the gasket 214 and the insertion holes of the strip steel 213 and are pushed into the inner cavity of the pier body poured section 100, and a section of length is reserved on one side of each of the height-adjusting rods 22, which deviates from the hoisting unit 3, so as to facilitate the subsequent operation of adjusting the height of the assembly type construction platform. In order to facilitate the subsequent detachment of the heightening rod 22 from the diaphragm plate 200, a movable sleeve is movably sleeved on the part of the heightening assembly 2 located in the inner cavity of the pier body, the movable sleeve is not shown in the figure, in detail, a movable sleeve is sleeved on the part of the heightening rod 22 pushed into the inner cavity of the pier body, the movable sleeve can slide along the length direction of the heightening rod 22, the movable sleeve is made of a PVC pipe, and the length of the movable sleeve is not less than the thickness of the precast diaphragm plate 200.
After the movable sleeve is sleeved on the height-adjusting rod 22, one end of the height-adjusting rod 22 is fixed by a nut, the nut at the end is abutted against the gasket 214, and the other end of the height-adjusting rod 22 passes through the hoisting hole of the hoisting point wrapping plate 312 and the clearance hole of the cross beam 311 and is fixed by the nut. The above steps are repeated for a plurality of hoisting units 3 to complete the hoisting and mounting work of the plurality of hoisting units 3.
Installing a limiting assembly 1: an operator takes the heightening assembly 2 as a standing surface and detachably connects the limiting assembly 1 with two bearing parts 31 of a plurality of hoisting units 3, and specifically, the operator takes one surface of the strip steel 213 departing from the poured pier body section 100 as a standing surface; the two groups of braking clamp plates 11 are respectively and detachably mounted on the cross beams 311 of the two bearing members 31 of the plurality of hoisting units 3, and then the two opposite sides of the limiting beam 12 are respectively and detachably connected with the two groups of braking clamp plates 11, so that the two bearing members 31 can be prevented from relatively rotating.
Installing a reinforcing component 4: and the reinforcing component 4 is lifted and conveyed to the inner cavity of the poured pier body section 100 from the operation groove 211 by adopting a lifting device, and the operator takes the height-adjusting component 2 as a standing surface to detachably connect the reinforcing component 4 with the bearing part 31 of the adjacent lifting unit 3 respectively. In this embodiment, a hoisting device is used to hook the lower hanging steel wire rope 41, and the reinforcing component 4 is hoisted along the working groove 211 to the inner cavity of the poured pier body section 100, and the operator uses the height-adjusting component 2 as a standing surface to detachably connect the plurality of distribution beams 42 with the bearing parts 31 of two adjacent hoisting units 3, specifically, the operator uses the surface of the bar-shaped steel 213 departing from the poured pier body section 100 as the standing surface to detachably connect the plurality of distribution beams 42 with the plurality of positioning groove plates 314 of the bearing parts 31 of two adjacent hoisting units 3, and in detail, the opposite ends of each distribution beam 42 are respectively located in the two positioning groove plates 314 of the adjacent hoisting units 3, reinforcing screws 5 are inserted and fixed on the distributing beams 42 and the positioning groove plates 314 of the bearing member 31, in this embodiment, the reinforcing screw 5 is fastened by a nut after passing through the positioning reinforcing hole of the positioning groove plate 314 and the insertion hole of the distribution beam 42.
Height adjustment: the height-adjusting component 2 is utilized to drive the hoisting unit 3 to move in the height direction so as to adjust the height of the hoisting unit 3, and the assembly type construction platform is installed. In this embodiment, the distance between one end of the height-adjusting rod 22 connected to the hanging point covering plate 312 and the top seat 21 is adjusted to adjust the height of the plurality of hoisting units 3 in the inner cavity of the pier body, specifically, the height-adjusting rod 22 is moved in the vertical direction, and the height-adjusting rod 22 drives the cross beam 311 to move in the vertical direction until the cross beam 311 reaches a preset height position. The height position preset by the cross beam 311 is a height convenient for an operator to construct the diaphragm 200 on the fabricated construction platform. After the cross beam 311 reaches the preset height position, the nut at the end of the height adjusting rod 22 away from the hoisting unit 3 is screwed towards the direction of the gasket 214; when the heights of the hoisting units 3 are adjusted, the installation of the fabricated construction platform is finished;
after the limiting component 1 and the reinforcing component 4 are connected with the hoisting units 3, a standing vertical surface is formed on one side of the hoisting unit 3 facing the top seat 21, when the levelness of the standing vertical surface is detected to be deviated, the levelness of the standing vertical surface needs to be adjusted by adjusting the overall height of the hoisting units 3, in the embodiment, hydraulic center-penetrating jacks are further provided and used for assisting in adjusting the overall height of the hoisting units 3, specifically, the number of the hydraulic center-penetrating jacks is four, the four hydraulic center-penetrating jacks are respectively arranged at four corners of the top seat 21 and are specifically arranged on one side of the corresponding strip steel 213 departing from the inner cavity of the poured pier body section 100; connecting the hydraulic piercing jacks with the height-adjusting rods 22 at the corresponding positions, enabling the anchorage devices of the hydraulic piercing jacks not to be anchored with the corresponding height-adjusting rods 22, loosening the nuts of the height-adjusting rods 22 without the hydraulic piercing jacks arranged outside the poured pier body section 100, adjusting the overall heights of the hoisting units 3 by controlling the hydraulic piercing jacks, anchoring the anchorage devices of the hydraulic piercing jacks with the height-adjusting rods 22 at the corresponding positions after adjusting the overall heights of the hoisting units 3, tightening the nuts of the height-adjusting rods 22 without the hydraulic piercing jacks arranged outside the poured pier body section 100, and avoiding the height-adjusting rods 22 from sliding relative to the strip steel 213, namely completing the adjustment of the vertical plane levelness of the station. The use of hydraulic feed-through jacks and the mounting of the hydraulic feed-through jacks and the height adjustment bar 22 are well known to those skilled in the art and will not be described in detail herein.
Second, the construction of the diaphragm 200: an operator takes the built assembled construction platform as a standing surface, a building bottom die is laid on one side, facing the top opening of the poured section 100, of the construction platform, a transverse clapboard 200 with a preset thickness is poured on the building bottom die, and a man hole 201 is reserved in the transverse clapboard 200; the pouring construction of the diaphragm 200 and the reservation method of the manhole 201 are well known to those skilled in the art, and are not described herein;
thirdly, the assembly type construction platform is disassembled and recovered: adopting the height-adjusting assembly 2 to move the plurality of hoisting units 3 towards the direction of the diaphragm plate 200 departing from the top opening of the poured pier body section 100, in the embodiment, removing the height-adjusting rods 22 positioned in the middle of the top opening, and reserving the height-adjusting rods 22 positioned on two opposite sides of the top opening, specifically reserving the height-adjusting rods 22 positioned on two opposite ends of the strip steel 213; moving the hoisting units 3 towards the direction of the diaphragm plate 200 departing from the top opening of the poured pier body section 100 by a preset distance by using the reserved height-adjusting rods 22, wherein the preset distance is the length of the hoisting units 3 in a folded state;
an operator takes one side of the built assembled construction platform facing the top opening of the poured section 100 as a standing surface, specifically, the operator takes one side of the hoisting unit 3 facing the top opening of the poured section 100 as the standing surface, detaches the bottom die and lifts the detached bottom die from the manhole 201 away from the inner cavity of the pier body, and the detaching method of the bottom die is well known by those skilled in the art and is not described herein; after the reinforcing component 4 and the limiting component 1 are removed, the reinforcing component 4 and the limiting component 1 are sequentially lifted away from the poured pier body section 100 from the manhole 201 by using a lifting device, in this embodiment, the connection between the distribution beam 42 and the bearing part 31 is removed, specifically, a nut on the reinforcing screw 5 is screwed off, the reinforcing screw 5 is pulled away from the distribution beam 42 and the bearing part 31 along the length direction of the reinforcing screw 5, so that the reinforcing screw 5 moves towards the manhole 201, then the reinforcing screw 5 is lifted away from the inner cavity of the pier body, and the distribution beam 42 is not connected with the positioning groove plate 314; hoisting the two opposite ends of the lower hanging steel wire rope 41 and hoisting the steel wire rope from the manhole 201 to the poured pier body section 100; removing the connection between the limiting beam 12 and the braking clamping plate 11, removing the connection between the braking clamping plate 11 and the cross beam 311, and lifting the braking clamping plate 11 and the limiting beam 12 away from the pier body poured section 100 from the manhole 201;
sequentially removing the connection of the plurality of hoisting units 3 and the heightening assembly 2, rotating the two bearing members 31 to a folded state, and hoisting the two bearing members 31 in the folded state away from the poured pier body section 100 by using a hoisting device, wherein in the embodiment, before removing the last hoisting unit 3, an operator takes one side of the hoisting unit 3 facing the top opening of the poured pier body section 100 as a standing surface, sequentially unscrewing nuts on the heightening rods 22 connected with the plurality of hoisting units 3 and positioned in the inner cavity of the poured pier body section 100, and sequentially drawing the heightening rods 22 away from the hoisting point cladding plate 312, the cross beam 311, the movable sleeve and the strip steel 213 along the height direction of the poured pier body section 100; the hoisting device hoists the rotating pin shaft 315 to hoist the two bearing parts 31 in the folded state from the operation groove 211 to the outside of the poured pier body section 100;
when the last hoisting unit 3 is dismantled, an operator takes protective measures, stands on one side of the last hoisting unit 3 facing the top opening of the poured pier body section 100, hooks a hoisting device on a rotating pin shaft 315, removes nuts of the height adjusting rod 22, the hoisting point cladding 312 and the cross beam 311, extracts the height adjusting rod 22 from an inner cavity of the poured pier body section 100, hoists the operator and the two bearing members 31 in the inner cavity by using the hoisting device, hoists the two bearing members 31 in the folded state away from the poured pier body section 100 by using the hoisting device, rotates the two bearing members 31 to the folded state by using the operator in the hoisting process of the two bearing members 31, and hoists the operator away from the poured pier body section 100 when the last hoisting unit 3 is hoisted away from the poured pier body section 100;
finally, the height adjusting assembly 2 is disassembled, specifically, a plurality of bolts on the strip steel 213 are disassembled, and the strip steel 213 is lifted away by adopting a lifting device; the bolts on the bar block 212 are removed and the bar block 212 is lifted off by a lifting device.
Through repeated calculation and test of the applicant, when the fabricated construction platform is disassembled and recovered, even if the reinforcing component 4 and the limiting component 1 are all disassembled, the hoisting units 3 can bear the weight of at least two operators, but in order to ensure the safety of the operators, the operators need to make relevant protective measures in the process of disassembling the fabricated construction platform.
The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.
Claims (10)
1. A construction method for pouring a diaphragm plate in a hollow thin-wall pier by using an assembled construction platform is characterized by comprising the following steps:
a supply device: providing an assembly type construction platform and a hoisting device, wherein the assembly type construction platform comprises a limiting component (1), a reinforcing component (4), a height-adjusting component (2) and a plurality of hoisting units (3), the hoisting units (3) are arranged at intervals, each hoisting unit (3) comprises two bearing pieces (31), and the two opposite ends of each bearing piece (31) are rotatably connected so that the two bearing pieces (31) can be folded in half; the limiting assembly (1) and the two bearing parts (31) of the hoisting units (3) can be detachably connected so as to prevent the two bearing parts (31) from rotating mutually; the reinforcing component (4) is arranged between every two hoisting units (3), and the reinforcing components (4) are detachably connected with the bearing parts (31) of the adjacent hoisting units (3) respectively; the height-adjusting component (2) is penetratingly provided with an operation groove (211) for a reinforcing component (4) and a hoisting unit (3) to pass through, the height-adjusting component (2) is connected with the bearing part (31), and the height-adjusting component (2) can drive the hoisting unit (3) to move in the height direction so as to adjust the height of the hoisting unit (3);
installing the height-adjusting assembly (2): installing the height-adjusting assembly (2) at the top opening of the poured pier body section (100);
hoisting and installing a hoisting unit (3): rotating the two bearing parts (31) to a folded state, hoisting the two bearing parts (31) in the folded state from the operation groove (211) to an inner cavity of a poured pier body section (100) by using a hoisting device, unfolding the two bearing parts (31), and connecting the height adjusting assembly (2) with the bearing parts (31); repeating the steps for a plurality of hoisting units (3) to finish the hoisting and mounting operations of the plurality of hoisting units (3);
installing a limiting component (1): the limiting assembly (1) is detachably connected with two bearing parts (31) of a plurality of hoisting units (3);
mounting a reinforcement component (4): hoisting the reinforcing component (4) from the operation groove (211) to the inner cavity of the poured pier body section (100) by using a hoisting device, and respectively and detachably connecting the reinforcing component (4) with the bearing piece (31) of the adjacent hoisting unit (3);
height adjustment: the height adjusting assembly (2) is utilized to drive the hoisting unit (3) to move in the height direction so as to adjust the height of the hoisting unit (3) and complete the installation of the fabricated construction platform;
construction of the diaphragm plate (200): paving a building bottom die on one side, facing a top opening of the poured section (100), of the fabricated construction platform, pouring a transverse clapboard (200) with a preset thickness on the building bottom die, and reserving a man hole (201) on the transverse clapboard (200);
the assembly type construction platform is disassembled and recovered: moving the hoisting units (3) towards the direction of the transverse clapboard (200) departing from the top opening of the poured pier body section (100) by adopting the height-adjusting assembly (2); disassembling the building bottom die, lifting the disassembled building bottom die away from the inner cavity of the pier body from the manhole (201), and after disassembling the reinforcing component (4) and the limiting component (1), sequentially lifting the reinforcing component (4) and the limiting component (1) away from the poured section (100) of the pier body from the manhole (201) by adopting a lifting device; sequentially removing the connection between the hoisting units (3) and the heightening assembly (2), rotating the two bearing parts (31) to a folded state, and hoisting the two bearing parts (31) in the folded state away from the poured pier body section (100) by using a hoisting device; and removing the height-adjusting assembly (2).
2. The construction method for pouring the diaphragm plate in the hollow thin-wall pier by using the fabricated construction platform as claimed in claim 1, wherein: the reinforcing component (4) comprises a lower hanging steel wire rope (41) and a plurality of distribution beams (42), the distribution beams (42) are arranged at intervals along the length direction of the bearing part (31), two opposite ends of each distribution beam (42) are detachably connected with the bearing part (31) of the adjacent hoisting unit (3), the lower hanging steel wire rope (41) extends along the length direction of the bearing part (31), and the lower hanging steel wire rope (41) is connected with the distribution beams (42);
in the 'installation and reinforcement assembly (4'), a hoisting device is adopted to hook and hold the lower hanging steel wire rope (41), the reinforcement assembly (4) is hoisted to the inner cavity of the poured pier body section (100) along the operation groove (211), and a plurality of distribution beams (42) are detachably connected with the bearing parts (31) of two adjacent hoisting units (3);
in the 'disassembly and recovery of the fabricated construction platform', the connection between the distribution beam (42) and the bearing part (31) is removed, and the opposite ends of the lower hanging steel wire rope (41) are lifted and separated from the poured pier body section (100) from the man hole (201).
3. The construction method for pouring the diaphragm plate in the hollow thin-wall pier by using the fabricated construction platform as claimed in claim 2, wherein: the bearing part (31) comprises a cross beam (311), a hoisting point wrapping plate (312), a rotating plate (313) and a plurality of positioning groove plates (314), the hoisting point wrapping plate (312) is wrapped outside the cross beam (311), one end of the rotating plate (313) is connected with one end, facing the other bearing part (31), of the cross beam (311), the other end of the rotating plate (313) is rotatably connected with the rotating plate (313) of the other bearing part (31), and the plurality of positioning groove plates (314) are arranged at intervals along the length direction of the cross beam (311); the limiting assembly (1) is detachably connected with the cross beams (311) of the two bearing parts; one end of the height-adjusting component (2) is connected with the hoisting point wrapping plate (312) and the cross beam (311); the two opposite ends of the distribution beam (42) are respectively detachably connected with the positioning groove plates (314) on the adjacent cross beams (311); the lower hanging steel wire rope (41) extends along the length direction of the cross beam (311);
in the hoisting and installation hoisting unit (3), two bearing parts (31) are rotated along the joint of a rotating plate (313) so as to rotate the two bearing parts (31) to a state of being folded in half;
in the installation and reinforcement assembly (4), a plurality of distribution beams (42) and a plurality of positioning groove plates (314) of bearing parts (31) of two adjacent hoisting units (3) are detachably connected.
4. The construction method for pouring the diaphragm plate in the hollow thin-wall pier by using the fabricated construction platform as claimed in claim 3, wherein the construction method comprises the following steps: the assembly type construction platform comprises a reinforcing screw rod (5), wherein the reinforcing screw rod (5) is detachably arranged through a plurality of positioning groove plates (314) of the bearing part (31) and a plurality of distribution beams (42) of the reinforcing component (4) so as to detachably connect the distribution beams (42) and the positioning groove plates (314) together;
in the 'installation and reinforcement assembly (4'), the specific method for detachably connecting the distribution beam (42) and the positioning groove plate (314) is as follows: reinforcing screws (5) penetrate through and are fixed on a plurality of distribution beams (42) and a plurality of positioning groove plates (314) of the bearing part (31);
in the 'disassembly and recovery of the assembly type construction platform', the reinforcing screw rod (5) is pulled away from the distribution beam (42) and the bearing part (31) along the length direction of the reinforcing screw rod (5), the reinforcing screw rod (5) moves towards the direction corresponding to the manhole (201), the reinforcing screw rod (5) is lifted away from the inner cavity of the pier body, and then the reinforcing component (4) is disassembled.
5. The construction method for pouring the diaphragm plate in the hollow thin-wall pier by using the fabricated construction platform as claimed in claim 4, wherein the construction method comprises the following steps: the limiting assembly (1) comprises two groups of braking clamping plates (11) and a limiting beam (12), the two groups of braking clamping plates (11) are respectively detachably connected with a cross beam (311) of two bearing parts (31), and two groups of braking clamping plates (11) on a plurality of hoisting units (3) are respectively detachably connected on two opposite sides of the limiting beam (12);
in the installation limiting assembly (1), two groups of braking clamping plates (11) are respectively and detachably installed on the cross beams (311) of two bearing parts of a plurality of hoisting units (3), and then the two opposite sides of the limiting beam (12) are respectively and detachably connected with the two groups of braking clamping plates (11);
in the 'disassembly and recovery of the assembly type construction platform', the connection between the limiting beam (12) and the braking clamping plate (11) is disassembled, the connection between the braking clamping plate (11) and the cross beam (311) is disassembled, and the braking clamping plate (11) and the limiting beam (12) are lifted away from the poured pier body section (100) from the manhole (201).
6. The construction method for pouring the diaphragm plate in the hollow thin-wall pier by using the fabricated construction platform as claimed in claim 5, wherein the construction method comprises the following steps: the height adjusting assembly (2) comprises a top seat (21) and a plurality of height adjusting rods (22), the top seat (21) is arranged relative to the cross beam (311), the top seat (21) is penetratingly provided with a plurality of operation grooves (211), one ends of the height adjusting rods (22) are detachably connected with the hoisting point wrapping plate (312) and the cross beam (311), and the other ends of the height adjusting rods (22) extend towards the direction far away from the hoisting unit (3) and are connected with the top seat (21);
in the 'installation height-adjusting assembly (2'), the top seat (21) is installed at the top opening of the pouring section (100) of the pier body;
in the hoisting and installation hoisting unit (3), a specific method for connecting one end of the height-adjusting assembly (2) with the bearing member (31) is as follows: one end of each of the plurality of heightening rods (22) penetrates through the top seat (21) and is detachably connected with the top seat (21), and the other end of each of the plurality of heightening rods (22) is pushed into the inner cavity of the poured pier body section (100) of the pier body and is detachably connected with the hoisting point wrapping plate (312) and the cross beam (311) of the bearing part (31);
in the 'disassembly and recovery of the assembly type construction platform', a specific method for moving a plurality of hoisting units (3) towards the direction of a top opening of a diaphragm plate (200) deviating from a pouring section (100) of a pier body by adopting the height-adjusting assembly (2) is as follows: demolish height-adjusting pole (22) that are located the back cut middle part, remain height-adjusting pole (22) that are located the relative both sides of back cut, utilize height-adjusting pole (22) that remain will a plurality of hoist and mount unit (3) move the default distance towards cross slab (200) and deviate from the back cut direction that the section (100) had been pour to the pier shaft.
7. The construction method for pouring the diaphragm plate in the hollow thin-wall pier by using the fabricated construction platform as claimed in claim 6, wherein: the preset distance is the length of the hoisting unit (3) in a folded state.
8. The construction method for pouring the diaphragm plate in the hollow thin-wall pier by using the fabricated construction platform as claimed in claim 1, wherein: the two bearing parts (31) are rotationally connected through a rotating pin shaft (315);
the hoisting device hoists the two bearing parts (31) in the folded state through the rotating pin shaft (315).
9. The construction method for pouring the diaphragm plate in the hollow thin-wall pier by using the fabricated construction platform as claimed in claim 1, wherein the providing device is also used for providing a hydraulic penetrating jack which is used in the height adjustment and is used for assisting in adjusting the overall height of the hoisting units (3).
10. The construction method for pouring the diaphragm plate in the hollow thin-wall pier by using the fabricated construction platform as claimed in claim 1, wherein: in the hoisting and installing hoisting unit (3), a movable sleeve is movably sleeved on the part of the heightening component (2) positioned in the inner cavity of the pier body before one end of the heightening component (2) is connected with the bearing part (31).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010967124.2A CN111979925B (en) | 2020-09-15 | 2020-09-15 | Construction method for pouring diaphragm plate in hollow thin-wall pier by using fabricated construction platform |
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| CN202010967124.2A CN111979925B (en) | 2020-09-15 | 2020-09-15 | Construction method for pouring diaphragm plate in hollow thin-wall pier by using fabricated construction platform |
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| CN111979925A CN111979925A (en) | 2020-11-24 |
| CN111979925B true CN111979925B (en) | 2021-10-01 |
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| CN113463520B (en) * | 2021-07-27 | 2022-05-20 | 中建五局土木工程有限公司 | Prefabricated hoisting construction method for hollow thin-wall high pier diaphragm plate |
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