CN114892507A - Prefabricated and assembled landscape pier stud and construction method thereof - Google Patents
Prefabricated and assembled landscape pier stud and construction method thereof Download PDFInfo
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- CN114892507A CN114892507A CN202210593464.2A CN202210593464A CN114892507A CN 114892507 A CN114892507 A CN 114892507A CN 202210593464 A CN202210593464 A CN 202210593464A CN 114892507 A CN114892507 A CN 114892507A
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- 238000010276 construction Methods 0.000 title claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims description 41
- 239000010959 steel Substances 0.000 claims description 41
- 238000003466 welding Methods 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 8
- 238000004873 anchoring Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000010426 asphalt Substances 0.000 claims description 2
- 238000007781 pre-processing Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000003973 paint Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000009417 prefabrication Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
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Classifications
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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
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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
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/04—Making large underground spaces, e.g. for underground plants, e.g. stations of underground railways; Construction or layout thereof
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The invention discloses a prefabricated and assembled landscape pier stud and a construction method thereof, wherein the prefabricated and assembled landscape pier stud comprises a support pillar, a top plate and a bottom plate which are respectively arranged at the upper end and the lower end of the support pillar, the support pillar consists of a plurality of spiral rod pieces which are arranged at intervals and spirally extend upwards or downwards around a same central shaft, and the support pillar is of a structure with a small middle part and two large ends; still include a plurality of along the extending direction interval setting of screw member and be located the middle stiffening plate between the screw member, just middle stiffening plate is located between bottom plate and the roof. The invention provides a prefabricated landscape assembling pier stud which has unique and beautiful landscape shape and is suitable for industrialized prefabricated production.
Description
Technical Field
The invention relates to the technical field of highway and municipal bridge engineering, in particular to a prefabricated and assembled landscape pier stud and a construction method thereof.
Background
Urban road bridge construction environment is complicated, not only need face the crisscross complicated subterranean condition of municipal facilities such as underground pipe gallery, cable alternate during construction, also need handle ground traffic flow, the big current situation of people flow simultaneously. During construction, the construction enclosure is complex, the traffic is difficult to defuse, and the construction measure cost is high. The longer construction period not only increases the investment in construction enclosure, traffic relief and safety guarantee measures, but also causes inconvenience to the trip of citizens and certain negative influence on the appearance of the city. Therefore, it is of great significance to optimize the structural design and improve the construction technology to reduce the construction period.
The prefabricated assembly construction adopts factory prefabricated components and on-site assembly construction, so that the construction quality of the components can be well guaranteed, the on-site construction period can be well shortened, the pollution to the environment is reduced, the prefabricated assembly construction is more and more applied to urban bridge construction, and the traditional on-site pouring concrete construction is gradually replaced. However, the prefabricated assembly construction is more adopted for the bridge upper structure at present, and the application is relatively less for the bridge lower structure.
Along with the development of cities, the living standard of people is improved, people put forward higher requirements on beautiful living environments, city bridges are used as important components of the urban living environments, the landscape modeling of the city bridges receives more and more attention, and the beautiful bridge landscape modeling can be used for adding colors and adding colors to the urban living environments.
Therefore, the design and development of the bridge pier stud with unique and beautiful landscape shape and suitable for factory prefabrication production and field assembly construction have practical significance.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a prefabricated landscape pier stud and a construction method thereof, wherein the prefabricated landscape pier stud is unique and beautiful in landscape shape and suitable for factory prefabricated production.
In a first aspect, in order to solve the above technical problems, the invention provides a prefabricated landscape pier stud, which comprises a support pillar, and a top plate and a bottom plate which are respectively arranged at the upper end and the lower end of the support pillar, wherein the support pillar is composed of a plurality of spiral rod pieces which are arranged at intervals and spirally extend upwards or downwards around a same central shaft, and the support pillar is of a structure with a small middle and two large ends; still include a plurality of along the extending direction interval setting of screw member and be located the middle stiffening plate between the screw member, just middle stiffening plate is located between bottom plate and the roof.
Furthermore, the upper end and the lower end of the spiral rod piece are respectively flush with the top plate and the bottom plate and are welded and fixed.
Furthermore, a welding groove which is fixedly welded with the spiral rod piece is formed in the position, corresponding to the spiral rod piece, of the periphery of the middle stiffening plate, and the shape of the welding groove is matched with the shape of the spiral rod piece.
Furthermore, the peripheries of the middle stiffening plate, the bottom plate and the top plate are provided with a welding groove which is fixedly welded with the spiral rod piece at the position corresponding to the spiral rod piece, and the shape of the welding groove is matched with the shape of the spiral rod piece.
Furthermore, the lower end of the spiral rod piece extends downwards to form the bottom plate.
Furthermore, the upper end of the spiral rod piece extends upwards out of the top plate.
Furthermore, the middles of the middle stiffening plate, the bottom plate and the top plate are provided with hollow through holes, and a plurality of fixing holes for bolts to penetrate through are formed in the top plate and the bottom plate in a penetrating mode.
Furthermore, the spiral rod piece is formed by connecting single-section or multi-section hollow steel pipes, and concrete is poured into the hollow steel pipes.
In a second aspect, the invention also provides a construction method of the prefabricated and assembled landscape pier stud, which comprises the following steps:
s1, pre-processing a top plate, a bottom plate, an intermediate stiffening plate and a spiral rod piece;
s2, aligning and assembling the processed top plate, bottom plate, intermediate stiffening plate and spiral rod piece according to preset positions to form the prefabricated landscape pier stud;
s3, hoisting the assembled prefabricated landscape pier stud to a bearing platform, and connecting and fixing the prefabricated landscape pier stud and the bearing platform through a bottom plate;
s4, constructing or hoisting a main beam on the prefabricated landscape pier stud, and connecting and fixing the main beam through a top plate;
s5, anchoring a plurality of vertical suspenders between the middle arch rib and the steel main beam, and respectively anchoring a plurality of second inclined suspenders and first inclined suspenders which are obliquely arranged between the inner side and the outer side of the two side arch ribs and the steel main beam;
and S6, sequentially pouring an STC layer and an asphalt wearing layer on the top plate of the steel girder.
Further, the spiral rod member is composed of a single section or a plurality of sections of continuous hollow steel pipes, and in step S3, the method further includes the step of pouring concrete into the spiral rod member before or after hoisting.
The invention has the following beneficial effects:
1) the designed prefabricated pier stud is graceful and flexible in modeling, a plurality of spiral rod pieces are arranged around the same central shaft at intervals in order, the modeling is extremely beautiful in curve, and the overall slender waist modeling with the slender middle part and the large two ends is formed by adjusting the surrounding radiuses of the spiral rod pieces at different heights from the central shaft, so that the structure is extremely flexible and attractive.
2) This thin waist type pier stud of spiral has many screw member, and the interval is equipped with a plurality of middle stiffening trays between many screw member simultaneously, can improve the structural strength and the reliability of pier stud firstly, secondly can scribble the colour of brush difference or adopt the multicolour cooperation on middle stiffening tray according to different city environment scene needs, and artistic performance space is big, and in particular, through the cooperation of colored paint with light, this thin waist type pier stud of spiral can be on daytime, night, distant view, nearly see the homoenergetic and possess good aesthetic feeling.
3) The main body structure of the spiral thin-waist pier column can be made of steel materials in a prefabricated mode, the whole structure is relatively light in weight, and the transportation is convenient; the molding curve of the spiral rod piece is smooth, and the processing quality can be guaranteed by adopting factory processing, so that the whole structure is very suitable for factory prefabrication production and field assembly construction. Generally speaking, the prefabricated steel plate can be integrally prefabricated at the height of 10m or below and then transported to the site for hoisting, and when the height is more than 10m, the prefabricated steel plate can be prefabricated in sections according to actual needs, and the prefabricated steel plate can be transported to the site in sections and spliced into a whole in a bolting or welding mode. This type pier stud is applicable to the occasion of various different bearing capacity demands: when the structure has low requirement on the bearing capacity, such as urban small and medium-span bridges, pedestrian overpasses, some small and medium-span building roof trusses, buses, subway stations and the like, the pier column can be integrally prefabricated by adopting all-steel components, is transported to a site and is bolted by adopting high-strength bolts embedded in foundations or beam bodies, the construction is convenient and fast, the structure can bear the load at once, and the construction period of the site is greatly shortened; when the structure has higher requirements on bearing capacity, such as a large-span bridge pier column, a large-span station bearing column, a high-rise structure bearing column and the like, the pier column can be made of steel-concrete composite materials, namely, the spiral rod piece is made of hollow steel pipes, concrete is poured into the spiral rod piece to form a steel pipe-concrete structure, the vertical bearing capacity of the pier column can be effectively improved, the local stability of the spiral rod piece with the increased size is ensured, for the large-bearing capacity steel pipe-concrete spiral thin waist type pier column, whether the concrete is poured during factory prefabrication or poured after being assembled on site can be determined according to transportation and hoisting conditions, the selectivity is strong, the operability is large, and the application range is very wide.
4) The spiral thin waist type pier stud is soft in structure, but the special spiral space net-shaped structure enables the whole stability to be good, the structural rigidity to be large, structural materials are effectively utilized, and the effective moment of inertia is quite prominent; the radius of the whole structure can be adjusted or the size, the number, the wall thickness and the like of the spiral rod piece can be adjusted according to different bearing capacity requirements, and concrete can be poured into the spiral rod piece to form concrete filled steel tubes so as to improve the bearing capacity of the spiral rod piece when needed; but this type pier stud's design parameter is very many, through the combination of different design parameters, can satisfy the demand of different bearing capacities, consequently, this type pier stud suitability is very extensive, except being applied to the bridge of different strides, also can use in housing construction, all kinds of venues, station structure.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention:
FIG. 1 is the intention of prefabricating and assembling landscape pier stud in embodiment 1;
FIG. 2 is a partial schematic view of the connection of the spiral member to the intermediate stiffening plate in the embodiment;
FIG. 3 is a schematic view of a bottom plate and a top plate in an embodiment;
FIG. 4 is a schematic illustration of an intermediate stiffener in an embodiment;
fig. 5 is a schematic view of the prefabricated landscape pier stud assembly of embodiment 2;
FIG. 6 is a perspective view of the prefabricated landscape pier stud of embodiment 3 after being connected with a bearing platform and a main beam;
fig. 7 is a perspective view of the prefabricated landscape pier stud assembled with the bearing platform and the main beam in the embodiment 4.
Detailed Description
For a fuller understanding of the technical aspects of the present invention, reference should be made to the following detailed description taken together with the accompanying drawings; it is to be noted that the terms "upper", "lower", "front", "rear", "inner", "outer", and the like, do not refer to the orientation or positional relationship shown in the drawings, but merely serve to facilitate the description of the present usage confidence and simplify the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used to distinguish between different elements, etc., and do not denote a sequential order, nor do the terms "first" and "second" define different types.
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.
Example 1
As shown in fig. 1-4, the prefabricated assembled landscape pier stud shown in this embodiment includes a support column, a top plate 1 and a bottom plate 2 respectively disposed at the upper and lower ends of the support column, the support column is composed of a plurality of spiral members 3 disposed at equal intervals and spirally extending upwards or downwards around the same central shaft, the size and number of the spiral members are not limited, the number and size of the spiral members can be specifically adjusted according to different scenes and structural stress requirements, the support column is integrally a multi-spiral thin waist shape with a small middle and large two ends, preferably, the support column has a middle position and gradually enlarged to equal sizes at two ends so as to form a thin waist shape with symmetrical sizes at the upper and lower sections by taking the middle as a boundary, the plurality of spiral members surround the same central shaft and are arranged at intervals, and the shape is graceful and flexible, and the curve is extremely beautiful and soft; still include a plurality of extension direction intervals along spiral member 3 and set up and be located middle stiffening plate 4 between many spiral members, this middle stiffening plate 4 is located between bottom plate 2 and the roof 1, utilizes middle stiffening plate to prop up the inner space between many spiral members to pass through welded fastening with spiral member, can improve the structural strength and the reliability of pier stud.
In the above, the number and thickness of the intermediate stiffening discs are not limited, and the distance and thickness of the intermediate stiffening discs can be adjusted according to the stress and the segmentation condition; as shown in the figure, in this embodiment, six intermediate stiffening plates are taken as an example and symmetrically arranged in the upper and lower ends of the prefabricated landscape pier stud, and the size of the six intermediate stiffening plates is gradually increased from the middle of the support pillar to the size of the two ends of the support pillar according to the upper and lower shapes of the support pillar.
In the embodiment, the cross section of the spiral rod piece is designed to be circular, so that the aesthetic requirement of people is met; however, the cross-sectional shape of the screw rod is not limited to the embodiment, and the screw rod may be designed into a square, a triangle, or other regular polygons according to actual needs.
In this embodiment, the upper and lower ends of the spiral rod 3 are flush with the top plate 1 and the bottom plate 2 respectively and are welded and fixed, so that the top plate and the bottom plate at the upper and lower ends of the pier are respectively connected and fixed with the main beam and the foundation structure (i.e. bridge pier, cushion cap, etc.) during bridge construction, and the top plate and the bottom plate can be directly welded and connected with the steel plate preset in the foundation structure or the main beam; of course, the connection mode of the multi-spiral thin waist modeling pier stud and the foundation structure and the main beam is not limited to welding, and a plurality of fixing holes 7 for bolts to pass through can be arranged on the top plate 1 and the bottom plate 2 in a penetrating mode and used as anchoring holes, so that a plurality of high-strength bolts can be embedded in the positions of the alignment fixing holes in the foundation structure and the main beam, the foundation structure, the main beam and the pier stud are connected through bolts to form a force transmission whole, and a double-fixing structure or a single-fixing structure of one connection mode can be formed.
In this embodiment, the outer periphery of the intermediate stiffening plate 4 is provided with a welding groove 5 welded and fixed with the spiral rod 3 at a position corresponding to each spiral rod 3, and the shape of the welding groove 5 is matched with the shape of the spiral rod 3, so that the inner side surface of the spiral rod penetrates through the welding groove and then is welded with the inner side surface of the spiral rod; because the spiral rods are arranged at equal intervals, the outer arc of the middle stiffening plate can be equally divided according to the number of the spiral rods, welding grooves which are connected with the spiral rods and are matched with the shapes of the spiral rods are machined at each equal dividing point, in addition, equal dividing points of each middle stiffening plate sequentially correspond to the same plane, namely positions of an upper welding groove and a lower welding groove correspond one by one, generally speaking, the welding point of a certain spiral rod on an adjacent stiffening plate is staggered by one equal dividing point, of course, two, three or other equal dividing points can be staggered sequentially according to needs, and the spiral curvature of the spiral rod is changed by the staggered equal dividing number.
In the embodiment, hollow through holes 6 are arranged among the middle stiffening plate 4, the bottom plate 2 and the top plate 1 to form a circular ring structure, so that the overall weight is reduced and the appearance is attractive; of course, the shapes of the intermediate stiffening plate, the bottom plate and the top plate are not limited to circular rings, and can also be solid circles.
In a specific embodiment, the spiral member can be made in segments according to the height of the multi-spiral thin-waist pier stud, and the segmented nodes are preferably arranged at the intermediate stiffening plate and the intermediate stiffening plate at the segments should be thickened; generally speaking, for the height of 10m and below, the pier stud can be integrally prefabricated and transported to the site for assembly, and for the height of more than 10m, the pier stud can be segmented at the middle stiffening plate according to actual needs and transported to the site for assembly into a whole by bolting or welding.
In a specific embodiment, the spiral rod member is formed by connecting single-section or multi-section hollow steel pipes according to the sectional arrangement, concrete can be poured into the spiral rod member according to the stress requirement to form a steel pipe concrete member, so that the stability of the spiral rod member is improved, the bearing capacity of the structure is improved, and the wall thickness of the hollow steel pipe can be adjusted according to different scenes and the stress requirements of the structure; of course, the screw member may be made of solid steel.
Example 2
As shown in fig. 5, the structure of the prefabricated landscape pier stud assembled in this embodiment is basically the same as that described in embodiment 1, except that the connection structure between the spiral rod member and the top plate and the bottom plate is specifically:
in the embodiment, when the bearing capacity requirement is higher, the bottom plate and the top plate can be made of thick integral discs, the peripheries of the bottom plate and the top plate are also provided with a welding groove 5 welded and fixed with the spiral rod piece at the position corresponding to each spiral rod piece, the lower end of each spiral rod piece extends downwards to form the bottom plate 2, the upper ends of the two spiral rod pieces are flush with the top plate, and the extending part of each spiral rod piece can be poured in the foundation structure by utilizing the length of the extending part, so that the reliable force transmission between the bottom plate and the foundation structure is ensured.
Of course, in a specific embodiment, the upper end of the spiral rod member can be extended upwards to form the top plate, and the extended part of the spiral rod member can be poured into the main beam by utilizing the length of the upward extension, so that the reliable force transmission between the spiral rod member and the beam body is ensured.
Example 3
The method for constructing the prefabricated and assembled landscape pier stud shown in the embodiment is used for constructing the prefabricated and assembled landscape pier stud as described in the embodiment 1, the prefabricated and assembled landscape pier stud, the foundation structure and the main beam are connected in a high-strength bolt bolting mode, and the method specifically comprises the following steps:
a. determining various design parameters of the prefabricated landscape pier stud according to the actual engineering requirements; determining the pier height according to the engineering elevation, and carrying out sectional design; determining the section shape, the size and the number of the spiral rod pieces and whether concrete is poured into the spiral rod pieces or not according to the stress requirements of the pier stud; determining the inner diameter, the outer diameter, the plate thickness and the number of the middle stiffening discs; determining the inner diameter, the outer diameter, the plate thickness, the number of holes and the size of the top plate and the top plate; the circling radius of the integral screw member around the center of rotation (i.e., the central axis) is determined, and the like.
b. The spiral member, the intermediate stiffening plate, the top plate and the bottom plate required by the steel lofting processing part are adopted in a factory, and the process comprises the step of processing a welding groove and a fixing hole on the intermediate stiffening plate, the top plate and the bottom plate.
In the above, to ensure the accurate processing of the multi-spiral thin-waist pier stud, the long-strip hollow steel pipes can be processed according to the length of the designed spiral member and the determined section form, and the length of the hollow steel pipes is ensured to be slightly longer than the designed length, then the welding points of the hollow steel pipes on the middle stiffening discs are marked in sequence according to the spiral modeling requirement, the hollow steel pipes are numbered and distinguished in sequence, and after the welding points of the hollow steel pipes on the middle stiffening discs are determined in the previous step, the hollow steel pipes are bent into arcs according to the designed bending radian and with the numbered positions as bending nodes to form the spiral member; and for the spiral rod pieces arranged in sections, the spiral rod pieces can be numbered in sequence, so that splicing and assembling in the later period are facilitated.
In the above, according to the overall waist-contracting shape and height of the multi-spiral thin waist type pier stud, the radius of each intermediate stiffening plate at different positions is determined, each intermediate stiffening plate is sequentially processed and numbered from top to bottom, so that the later-stage alignment assembly is facilitated, the outer circular arc of each intermediate stiffening plate is equally divided according to the number of the spiral members, and the welding grooves connected with the spiral members are processed at each equal dividing point; generally, the welding point of a certain spiral member on the adjacent stiffening plate is staggered by one equal division position, and two, three and a plurality of equal division positions can be staggered in sequence according to requirements.
c. Sequentially welding the intermediate stiffening plates, the top plate and the bottom plate with the spiral rods in a factory to form the prefabricated and assembled landscape pier stud according to the embodiment 1; of course, for convenience of transportation, the components can be transported to a construction site and then welded into a whole in alignment.
In the above, the middle stiffening plates, the top plate and the bottom plate are sequentially arranged on the specially-made processing operation frame according to the serial number according to the design interval, the centers of the stiffening plates are required to be ensured to be on the same straight line, and the equal division points of the stiffening plates are sequentially corresponding to the same plane.
d. After the welding is integrated, the machining size is checked by contrasting the design parameters, and the subsequent rust removal and corrosion prevention treatment can be carried out after each size is correct; specifically, the welded multi-spiral thin waist type pier stud is polished and derusted, and anticorrosive primer, intermediate paint and the like are sequentially sprayed according to the designed anticorrosive coating.
In the above, if the design requires concrete pouring in the spiral rod, the concrete pouring and curing are performed in a factory; at this point, the factory processing stage of the multi-spiral thin waist type pier stud is completed, and the multi-spiral thin waist type pier stud can be disassembled and stored to wait for being transported to a field for assembly; of course, it is also possible to determine whether the concrete is poured while being prefabricated in a factory or is transported to a construction site and assembled and then poured according to transportation and lifting conditions.
e. In order to realize the installation of the prefabricated landscape pier stud on a construction site, a foundation is constructed and a bearing platform steel bar is bound at a preset position of the pier, and bolts for connection and a contact pressure-bearing steel plate are pre-buried;
f. pouring and maintaining concrete of the bearing platform;
g. conveying a multi-spiral thin waist landscape pier column prefabricated in a factory to a proper position and hoisting the landscape pier column onto a bearing platform;
h. the fixing holes on the bottom plate are connected with the bolts on the bearing platform in an aligned mode, then the nuts are screwed, and the multi-spiral thin waist-shaped landscape pier stud is installed and fixed on the bearing platform (as shown in figure 6);
i. constructing an upper main beam and forming connection with the pier stud, wherein bolts and contact steel plates connected with a top plate of the pier stud are embedded in the bottom of the main beam and have the same structure as the bearing platform;
j. painting color paint on the pier stud and installing landscape lamplight.
Example 4
The method for constructing the prefabricated and assembled landscape pier stud shown in the embodiment is used for constructing the prefabricated and assembled landscape pier stud as described in embodiment 2, wherein the length of the lower end of the spiral rod piece extending out is embedded in the connecting bearing platform, the bottom plate and the bearing platform are welded and fixed through the steel bars, and the bottom plate and the main beam are connected through the bolts, and the method for constructing the prefabricated and assembled landscape pier stud is basically the same as the method for constructing the prefabricated and assembled landscape pier stud as described in embodiment 3, except that the steps e to j are as follows:
e. in order to realize the installation of the prefabricated landscape pier stud on a construction site, firstly constructing a foundation and binding a bearing platform steel bar at a preset position of the pier;
f. conveying a multi-spiral thin waist landscape pier column prefabricated in a factory to the field and hoisting the landscape pier column to a proper position so that the extending length of the lower end of a spiral rod piece is inserted into a bearing platform steel bar;
g. then the bottom plate and the bearing platform are welded and fixed by steel bars;
h. pouring and maintaining the bearing platform concrete, so that the extending length of the lower end of the spiral rod piece is pre-buried in the poured bearing platform (as shown in fig. 7);
i. constructing an upper main beam and forming connection with the pier stud, and embedding a bolt and a contact steel plate connected with a top plate of the pier stud in the bottom of the main beam;
j. painting color paint on the pier stud and installing landscape lamplight.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the present description should not be construed as a limitation to the present invention.
Claims (10)
1. The prefabricated and assembled landscape pier stud is characterized by comprising a support pillar, a top plate and a bottom plate, wherein the top plate and the bottom plate are respectively arranged at the upper end and the lower end of the support pillar; still include a plurality of along the extending direction interval setting of screw member and be located the middle stiffening plate between the screw member, just middle stiffening plate is located between bottom plate and the roof.
2. The prefabricated landscape pier stud assembly according to claim 1, wherein the upper and lower ends of the spiral rod are respectively flush with the top plate and the bottom plate and are welded and fixed.
3. The prefabricated landscape pier stud assembly according to claim 2, wherein the outer periphery of the intermediate stiffening plate is provided with a welding groove welded and fixed with the spiral rod at a position corresponding to the spiral rod, and the shape of the welding groove is matched with the shape of the spiral rod.
4. The prefabricated landscape pier stud assembly according to claim 1, wherein the peripheries of the intermediate stiffening plate, the bottom plate and the top plate are provided with welding grooves welded and fixed with the spiral rod piece at positions corresponding to the spiral rod piece, and the shape of the welding grooves is matched with the shape of the spiral rod piece.
5. The prefabricated landscape pier stud assembly according to claim 4, wherein the lower end of the spiral rod extends downwards out of the bottom plate.
6. The prefabricated landscape pier stud assembly according to claim 4, wherein the upper end of the spiral rod extends upwards out of the top plate.
7. The prefabricated landscape pier stud assembly according to any one of claims 1 to 6, wherein hollow through holes are formed in the middle of the middle stiffening plate, the bottom plate and the top plate, and a plurality of fixing holes for bolts to pass through are formed in the top plate and the bottom plate in a penetrating manner.
8. The prefabricated landscape pier stud assembly according to claim 7, wherein the spiral rod members are formed by connecting single or multiple hollow steel pipes, and concrete is poured into the hollow steel pipes.
9. The construction method of the prefabricated landscape pier stud is characterized by comprising the following steps:
s1, pre-processing a top plate, a bottom plate, an intermediate stiffening plate and a spiral rod piece;
s2, aligning and assembling the processed top plate, bottom plate, intermediate stiffening plate and spiral rod piece according to preset positions to form the prefabricated landscape pier stud assembly according to any one of claims 1-8;
s3, hoisting the assembled prefabricated landscape pier stud to a bearing platform, and connecting and fixing the prefabricated landscape pier stud and the bearing platform through a bottom plate;
s4, constructing or hoisting a main beam on the prefabricated landscape pier stud, and connecting and fixing the main beam through a top plate;
s5, anchoring a plurality of vertical suspenders between the middle arch rib and the steel main beam, and respectively anchoring a plurality of second inclined suspenders and first inclined suspenders which are obliquely arranged between the inner side and the outer side of the two side arch ribs and the steel main beam;
and S6, sequentially pouring an STC layer and an asphalt wearing layer on the top plate of the steel girder.
10. The method for constructing precast assembled landscape pier stud according to claim 9, wherein the spiral member is composed of a single or multiple continuous hollow steel pipes, and the step of pouring concrete into the spiral member before or after the step of hoisting is further included in the step of S3.
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