CN113585324A - Assembled stand column, extended foundation and construction method thereof - Google Patents
Assembled stand column, extended foundation and construction method thereof Download PDFInfo
- Publication number
- CN113585324A CN113585324A CN202110813683.2A CN202110813683A CN113585324A CN 113585324 A CN113585324 A CN 113585324A CN 202110813683 A CN202110813683 A CN 202110813683A CN 113585324 A CN113585324 A CN 113585324A
- Authority
- CN
- China
- Prior art keywords
- standard
- anchoring
- layer
- foundation
- post
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
-
- 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
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention discloses an assembled upright post, an extended foundation and a construction method thereof, according to requirements, assembled standard layer components with different sizes can be prefabricated in advance, the quality and the precision of each component are ensured, the integral structure of the extended foundation is assembled and connected on site according to actual height requirements, a bottom square post and an adjusting square post are arranged on the extended foundation, the upright post with required height or required standard section number is arranged on the adjusting square post, the adjusting square post is used as an adjusting structure arranged between the upright post and the extended foundation and matched with a supporting piece, the height adjustment within a certain range can be realized, different height requirements are met, the height of the upright post is adjusted after the construction of the upright post is finished, the applicability is strong, each component has the advantages of simple and quick manufacture, installation, simple and convenient construction, light weight, convenient transportation and hoisting, high assembly degree, energy conservation, environmental protection, high cost and the like, The later stage turnover advantage such as convenient can effectively practice thrift the cost for the installation progress.
Description
Technical Field
The invention relates to the technical field of assembling construction equipment. More particularly, the present invention relates to an assembled column, an extended foundation and a construction method thereof.
Background
The steel upright post can be frequently applied to bridge construction, and a plurality of upright posts are supported on an expansion foundation in a land environment. In the traditional construction process, the stand column is welded, lengthened or shortened according to actual requirements, a large amount of welding operation exists in the construction process, the quality of the stand column is not easy to guarantee, the assembly degree is low, and more materials are wasted; the traditional expansion foundation is mostly in a conical or stepped form, the construction method is mostly formed by pouring concrete through a formwork on site, the site construction process is multiple, the environment is easily influenced, the manufacturing time is long, the form is fixed after the manufacturing is finished, the universality is poor, and the transportation is difficult. And the stand and the extension basis of supporting of traditional construction, the structure height is difficult to adjust again after the construction is accomplished, and the suitability is relatively poor.
Disclosure of Invention
The invention aims to provide an assembled upright post, an extended foundation and a construction method thereof, and aims to solve the technical problems that the assembled upright post and the extended foundation in the prior art are poor in applicability and cannot be adjusted according to construction requirements.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a fabricated column, extended foundation, comprising:
the expansion foundation comprises a plurality of standard layers which are sequentially connected along the vertical direction, the central lines of all the standard layers are aligned, and the sizes of the standard layers are sequentially reduced from bottom to top to form a step-shaped structure;
the bottom square column is connected and arranged on the standard layer positioned on the uppermost layer, a vertical cavity is formed in the bottom square column, a hydraulic jack is arranged at the bottom of the cavity, and a plurality of pairs of first preformed holes are formed in the upper end of the bottom square column on two opposite side walls in a vertically symmetrical mode;
the lower end of the adjusting square column is provided with second preformed holes corresponding to the first preformed holes on two sides facing the first preformed holes respectively, at least one layer of the first preformed holes and the second preformed holes at the same height are provided with supporting pieces in a penetrating manner together, and two ends of each supporting piece extend out of the first preformed holes on the corresponding side and are anchored through fasteners;
and the upright post is connected to the upper end of the adjusting square post through a flange.
Preferably, first vertical through anchoring holes are symmetrically formed in the periphery of the bottom square column on each standard layer, the first anchoring holes of all the standard layers are distributed in the same position in the horizontal plane, an anchoring part penetrates through all the first anchoring holes in the same vertical direction, and two ends of the anchoring part are fastened with the standard layers in corresponding positions through the anchoring parts so as to fasten all the standard layers into a whole.
Preferably, each standard layer is provided with a first groove upwards at the bottom of each first anchoring pore channel of the corresponding layer respectively to provide an installation protection space of the anchorage device, and the upper surface of the first groove is fixedly provided with an auxiliary positioning plate with a second positioning hole.
Preferably, each upper surface of the standard layer is located below the stand column, a lower column positioning groove is formed in each lower column positioning groove, a lower column positioning plate is fixedly embedded into each lower column positioning groove, the upper surface of each lower column positioning plate is flush with the corresponding upper surface of the standard layer, each lower column positioning plate is provided with a first positioning hole corresponding to each first anchoring hole, and each anchoring part upwards sequentially penetrates through all first anchoring holes in the same vertical direction and all first positioning holes in corresponding positions.
Preferably, a column base anchor plate is attached to the surface of the uppermost standard layer, the center line of the column base anchor plate coincides with the center line of the standard layer, an anchoring hole is formed in the column base anchor plate corresponding to each first anchoring pore passage, and the upper end of each anchoring piece penetrates through the anchoring hole upwards and then is fastened through the anchor.
Preferably, the lower extreme lateral wall of bottom square column is connected with the first stiffening plate of a plurality of, and first stiffening plate is followed the radial extension of bottom square column and edge the circumferencial direction evenly distributed of bottom square column, adjust the upper end lateral wall of square column with the lower extreme lateral wall of stand respectively with correspond the end connect between the flange and be provided with a plurality of second stiffening plate, the upper end inboard and the lower extreme inboard of bottom square column the lower extreme inboard of stand is connected with the tip reinforcing plate respectively.
The invention also provides a construction method of the assembled upright post and the extended foundation, which comprises the following steps:
s1, prefabricating a plurality of standard layers and bottom square columns of different sizes, adjusting square columns and stand columns according to design height requirements, enabling the lower ends of the adjusting square columns to extend into the bottom square columns, reserving first reserved holes arranged at equal intervals on the side walls of the bottom square columns, reserving second reserved holes arranged at equal intervals on the side walls of the adjusting square columns, inserting supporting pieces, and welding flanges at the lower ends of the bottom square columns, the upper ends of the adjusting square columns and the upper and lower ends of the stand columns respectively to facilitate subsequent flange connection or bolt connection;
s2, leveling on site, carrying out geological treatment on the corresponding position of the foundation to enable the bearing capacity of the foundation to reach the standard, and then constructing a cushion layer;
s3, splicing and connecting standard layers with different sizes to form a step-shaped expanded foundation on the prepared cushion layer by using field hoisting equipment;
s4, mounting a bottom square column at the center of the assembled extension foundation, and connecting the bottom square column with the extension foundation through flanges or bolts;
s5, placing a hydraulic jack in the bottom square column, placing an adjusting square column on the hydraulic jack, adjusting the height of the square column for initial adjustment through lifting of the hydraulic jack, penetrating supporting pieces in all first preformed holes and second preformed holes which are located at the same height and on the same horizontal line, and extending two ends of each supporting piece out of the corresponding first preformed hole and performing temporary anchoring;
s6, connecting and installing upright posts at the top of the adjusting square column through flanges according to the designed standard number of joints, removing temporary anchoring of all supporting pieces and taking out the supporting pieces after installation is finished, lifting and lowering the supporting pieces through a hydraulic jack for final height adjustment, and penetrating the supporting pieces between the bottom square column and the adjusting square column and anchoring the supporting pieces after adjustment is finished;
and S7, unloading by using a hydraulic jack after construction is finished, and disassembling inversely according to the installation sequence to circularly use the disassembled parts.
Preferably, when the standard layers are prefabricated, vertically through first anchoring pore passages are symmetrically formed in the region, outside the bottom square column, of the upper periphery of each standard layer along the periphery, the first anchoring pore passages of all the standard layers are distributed at the same position in the horizontal plane, a groove is upwards formed in the bottom of each first anchoring pore passage of each standard layer to provide a construction and protection space for the anchor, when the extension foundation is installed, the standard layer of the lowest layer is firstly placed on the cushion layer, the anchor is upwards penetrated into the first anchoring pore passages, the lower end of the anchor is anchored at the bottom of the standard layer of the lowest layer, then the anchor is used for guiding and positioning, other standard layers are penetrated layer by layer, after the bottom square column is placed on the extension foundation, the anchor is tensioned and the upper end is anchored, and all the standard layers are fastened to form the extension foundation integrally by applying prestress, and connecting the bottom square column with the expansion foundation.
Preferably, if the total number N of the standard layers is greater than or equal to 3, vertical X-th anchoring pore channels are symmetrically formed in the plane regions of the N-1 th standard layer, which are located outside the nth standard layer, of the standard layers from bottom to top along the center of the expansion base, and X is 2, vertical X + 1-th anchoring pore channels are symmetrically formed in the plane regions of the N-1 th standard layer, which are located outside the nth standard layer, of the standard layers from bottom to top along the center of the expansion base, and so on, until the X-1-th anchoring pore channels are symmetrically formed in the region of the second standard layer, which is located outside the third standard layer, between the first standard layer and the second standard layer from bottom to top, all the standard layers are located in the same vertical X, The anchoring piece is penetrated through the X +1, the anchor passage, the N-1 anchor passage for anchoring, a second groove is formed in the lower end of each X, X +1, the anchor passage, the upper end of each N-1 anchor passage is provided with an outer column positioning groove, the upper surface of each second groove and the inner end of each outer column positioning groove are fixedly provided with the auxiliary positioning plate, and the upper surface of each auxiliary positioning plate in each second groove is flush with the upper surface of the corresponding standard layer.
Preferably, a layer of reinforcing mesh is pre-buried in each standard layer at two sides close to the top surface and the bottom surface, so as to enhance the overall stress characteristic of the expansion foundation.
The invention at least comprises the following beneficial effects: the assembled upright post, the extended foundation and the construction method thereof can prefabricate assembled standard layer components with different sizes in advance according to the requirements, ensure the quality and the precision of each component, assemble and connect into an integral structure of the extended foundation according to the actual height requirement on site, install the bottom square post and the adjusting square post on the extended foundation, install the upright post with the required height or the required number of standard sections on the adjusting square post, use the adjusting square post as an adjusting structure arranged between the upright post and the extended foundation, match with a supporting piece, realize the height adjustment within a certain range, meet the different height requirements, adjust the height of the upright post after the construction of the upright post is finished, have strong applicability, and each component has the advantages of simple and quick manufacture, installation, construction, light weight, convenient transportation and hoisting, higher assembly degree, energy conservation, environmental protection, convenient turnover at the later stage and the like, the cost can be effectively saved, and the installation progress is accelerated.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a front view structural diagram of the present invention;
FIG. 2 is a top view of the present invention;
fig. 3 is a schematic diagram of the internal structure of one of the standard layers of the extended base of the present invention.
The specification reference numbers indicate: 1. the foundation comprises an expansion foundation, 2, a bottom square column, 3, a hydraulic jack, 4, a first preformed hole, 5, an adjusting square column, 6, a second preformed hole, 7, a supporting piece, 8, a fastening piece, 9, an upright column, 10, a flange, 11, a first anchoring pore passage, 12, an anchoring piece, 13, an anchorage device, 14, a first groove, 15, a column lower positioning plate, 16, a column foot anchoring plate, 17, a first stiffening plate, 18, a second stiffening plate, 19, an end reinforcing plate, 20, a reinforcing mesh, 21, a cushion layer, 22, an auxiliary positioning plate, 101, a 1 st standard layer, 102, a 2 nd standard layer, 103 and a 3 rd standard layer.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
In the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 and 2, the assembled upright post and extended foundation of the present invention includes:
the expansion foundation 1 comprises a plurality of standard layers which are sequentially connected in the vertical direction, the central lines of all the standard layers are aligned, and the sizes of the standard layers are sequentially reduced from bottom to top to form a step-shaped structure;
the bottom square column 2 is connected and arranged on the standard layer positioned on the uppermost layer, a vertical cavity is formed in the bottom square column 2, a hydraulic jack 3 is arranged at the bottom of the cavity, and a plurality of pairs of first preformed holes 4 are formed in the upper end of the bottom square column 2 on two opposite side walls in a vertically symmetrical mode;
the adjusting square column 5 is vertically arranged, the lower end of the adjusting square column penetrates into the bottom square column 2 to be abutted against the upper surface of the hydraulic jack 3, second preformed holes 6 are respectively formed in the two sides, facing the first preformed hole 4, of the lower end of the adjusting square column 5, the second preformed holes 6 correspond to the first preformed holes 4, at least one layer of the first preformed holes 4 and the second preformed holes 6 located at the same height are jointly penetrated with supporting pieces 7, and the two ends of each supporting piece 7 extend out of the corresponding first preformed holes 4 and are anchored through fasteners 8;
and the upright column 9 is connected to the upper end of the adjusting square column 5 through a flange 10.
When the extended foundation 1 is installed, a standard layer with the largest size is installed on a construction site cushion layer 21, then other standard layers are sequentially stacked upwards, the size of the standard layer is gradually reduced from bottom to top to form a step-shaped structure, the vertical central lines of all the standard layers are aligned and overlapped, a square standard layer is selected to provide a larger supporting area and be evenly distributed in stress, the supporting is stable, all the standard layers are connected into a stable integral structure to form the extended foundation 1, then a bottom square column 2 is installed on the extended foundation 1 to enable the bottom square column 2 and the extended foundation 1 to be fixedly connected into a whole, a plurality of pairs of first preformed holes 4 are formed in the two opposite side surfaces of the bottom square column 2 along the vertical symmetry direction, two first preformed holes 4 can be respectively penetrated through the two ends of a fastener 8 from the first preformed holes 4 on the corresponding side, in order to keep the supporting balance, two first preformed holes 4 are symmetrically formed in each side surface along the horizontal direction by the vertical symmetry axis of the side surface where the fastener is located, second preformed hole 6 has been seted up to the symmetry on the relative both sides face on regulation square column 5, make the both ends of fastener 8 wear out the second preformed hole 6 that corresponds the side respectively, second preformed hole 6 corresponds first preformed hole 4 and sets up, position promptly, the interval, the diameter is unanimous basically with first preformed hole 4, when making regulation square column 5 reciprocate, can penetrate a bearing 7 in first preformed hole 4 and the second preformed hole 6 that lie in same horizontal plane jointly, place hydraulic jack 3 in the bottom of the cavity of bottom square column 2 again, insert the lower extreme of regulation square column 5 in the cavity of bottom square column 2 and contradict on hydraulic jack 3, make the orientation of second preformed hole 6 on regulation square column 5 and the first preformed hole 4 on the square column 2 of bottom simultaneously the same, start hydraulic jack 3 and tentatively adjust the height of regulation square column 5, then all first preformed holes 4 and the second preformed holes 6 that lie in same water flat line that lie in same height and lie in same horizontal line are worn the support together in hole 6 7, support adjusting square column 5, and utilize fastener 8 to carry out interim anchor to the both ends of support 7, if embolia the gasket, screw up the nut fastening, then at the upper end installation stand 9 of adjusting square column 5, through corresponding flange 10 structure fixed connection, the fastener 8 of support 7 tip is pulled down after the installation of stand 9 is accomplished, take out support 7, utilize hydraulic jack 3 to carry out final control to the height of adjusting square column 5 and stand 9, satisfy the use altitude requirement of stand 9, wear support 7 in all first preformed holes 4 and the second preformed holes 6 that are located same height and are located same water flat line again at last, utilize stand 9 to construct after the anchor.
The assembled upright post and the expanded foundation can prefabricate assembled standard layer components with different sizes in advance according to the requirements, ensure the quality and the precision of each component, are spliced and connected into an integral structure of the expanded foundation 1 according to the actual height requirement on site, the bottom square post 2 and the adjusting square post 5 are arranged on the expanded foundation 1, the upright posts 9 with required height or required standard section number are arranged on the adjusting square post 5, the adjusting square post 5 is used as an adjusting structure arranged between the upright posts 9 and the expanded foundation 1 and is matched with the supporting piece 7, the height adjustment within a certain range can be realized, different height requirements are met, the height of the upright posts 9 is adjusted after the construction of the upright posts 9 is finished, the applicability is strong, and each component has the advantages of simple and quick manufacture, installation, simple and quick construction, light weight, convenient transportation and hoisting, high assembly degree, energy conservation, environmental protection, energy conservation and environmental protection, The later stage turnover advantage such as convenient can effectively practice thrift the cost for the installation progress.
In another technical scheme, as shown in fig. 1 to 3, vertically through first anchoring hole channels 11 are symmetrically formed in the periphery of the bottom square column 2 on each standard layer, the first anchoring hole channels 11 of all the standard layers are distributed at the same position in the horizontal plane, an anchoring part 12 penetrates into all the first anchoring hole channels 11 on the same vertical direction, and two ends of the anchoring part 12 are fastened with the standard layers at corresponding positions through anchoring parts 13 to fasten all the standard layers into a whole.
In another technical solution, as shown in fig. 1 to 3, a first groove 14 is respectively and upwardly arranged at the bottom of each first anchoring pore channel 11 of each layer of the standard layer, so as to provide an installation protection space for the anchorage device 13, and an auxiliary positioning plate 22 having a second positioning hole is fixedly arranged on the upper surface of the first groove 14.
When the standard layers are prefabricated, the first groove 14 is formed in the bottom of each first anchoring hole 11 of each standard layer, the anchorage device 13 is convenient to install and detach, the bottom surface of each standard layer is kept flat, and meanwhile, the anchorage device 13 is protected, so that the anchorage device is prevented from being easily damaged due to collision and scraping in the installation process.
In another technical solution, as shown in fig. 1 to 3, a lower column positioning groove is respectively formed in the upper surface of each standard layer below the vertical column 9, a lower column positioning plate 15 is fixedly embedded in the lower column positioning groove, the upper surface of the lower column positioning plate 15 is flush with the upper surface of the corresponding standard layer, a first positioning hole is formed in the lower column positioning plate 15 corresponding to each first anchoring hole 11, and each anchoring member 12 sequentially penetrates through all the first anchoring holes 11 in the same vertical direction and all the first positioning holes in the corresponding position. Through setting up down locating plate 15, conveniently fix a position the anchor assembly 12 that penetrates first anchor pore 11 nearest to the stand 9 below, also conveniently adjust the position of bottom square column 2.
In another technical scheme, as shown in fig. 1-2, a toe anchor plate 16 is attached to the surface of the uppermost standard layer, a center line of the toe anchor plate 16 coincides with a center line of the standard layer, an anchor hole is formed in the toe anchor plate 16 corresponding to each first anchor hole 11, and the upper end of each anchor 12 penetrates through the anchor hole upwards and then is fastened by the anchor 13.
By arranging the column base anchor plate 16, the upper end of the anchoring part 12 is conveniently anchored on the upper surface of the extension foundation 1, and the bottom square column 2 is conveniently and fixedly connected.
In another technical scheme, as shown in fig. 1-2, the outer side wall of the lower end of the bottom square column 2 is connected with a plurality of first stiffening plates 17, the first stiffening plates 17 extend along the radial direction of the bottom square column 2 and are uniformly distributed along the circumferential direction of the bottom square column 2, a plurality of second stiffening plates 18 are respectively connected between the outer side wall of the upper end of the adjusting square column 5 and the outer side wall of the lower end of the upright column 9 and the flange 10 at the corresponding end, and the inner sides of the upper end and the lower end of the bottom square column 2 and the inner side of the lower end of the upright column 9 are respectively connected with an end stiffening plate 19.
Set up first stiffening plate 17 in the outside through at bottom square column 2, set up second stiffening plate 18 respectively in the junction outside of adjusting square column 5 and stand 9, thereby to bottom square column 2, adjust square column 5, the outside of stand 9 carries out the structure and strengthens, improve the stability of whole support, through at bottom square column 2, the inboard of stand 9 sets up tip reinforcing plate 19, to bottom square column 2, the inside of stand 9 carries out the structure and strengthens, prevent bottom square column 2, adjust square column 5, the junction atress between the stand 9 warp.
The invention also provides a construction method of the assembled upright post and the extended foundation, which is shown by combining the figures 1-3 and comprises the following steps:
s1, according to design height requirement prefabricated several layers of not unidimensional standard layer and bottom square column 2, adjust square column 5, stand 9, make the lower extreme of adjusting square column 5 stretch into to bottom square column 2 in, reserve the first preformed hole 4 that equidistant setting on the lateral wall of bottom square column 2, reserve the second preformed hole 6 that equidistant setting on the lateral wall of adjusting square column 5, be used for inserting supporting piece 7, the lower extreme of bottom square column 2, adjust the upper end of square column 5 and the upper and lower both ends of stand 9 and weld flange 10 dish respectively, make things convenient for follow-up flange 10 to connect or bolted connection.
Specifically, when the standard layers are prefabricated, vertically through first anchoring pore passages 11 are symmetrically formed in the region, outside the bottom square column 2, of the upper periphery of each standard layer along the periphery, the first anchoring pore passages 11 of all the standard layers are distributed in the same position in the horizontal plane, a groove is upwards formed in the bottom of each first anchoring pore passage 11 of each standard layer to provide a construction and protection space for an anchorage device 13, when the extension foundation 1 is installed, a standard layer of the lowest layer is firstly placed on a cushion layer 21, an anchoring device 12 is upwards penetrated in each first anchoring pore passage 11, the lower end of the anchoring device 12 is anchored at the bottom of the standard layer of the lowest layer, then the anchoring device 12 is used for guiding and positioning, other standard layers are penetrated layer by layer, after the bottom square column 2 is placed on the extension foundation 1, the anchoring device 12 is tensioned and the upper end is anchored, all the standard layers are fastened to form the extension foundation 1 integrally by applying prestress, and connects the bottom square column 2 with the extended foundation 1.
Preferably, a layer of reinforcing mesh 20 is pre-buried in each standard layer at two sides close to the top surface and the bottom surface, respectively, so as to enhance the overall stress characteristic of the expanded foundation 1.
And S2, leveling on site, carrying out geological treatment on the corresponding position of the foundation to enable the bearing capacity of the foundation to reach the standard, and then constructing the cushion layer 21.
And S3, splicing and connecting standard layers with different sizes to form the step-shaped expanded foundation 1 on the prepared cushion layer 21 by using field hoisting equipment.
S4, mounting the bottom square column 2 at the center of the assembled expansion foundation 1, and connecting the bottom square column 2 with the expansion foundation 1 through the flange 10 or bolts.
S5, placing a hydraulic jack 3 in the bottom square column 2, placing an adjusting square column 5 on the hydraulic jack 3, lifting the hydraulic jack 3 to adjust the height of the square column 5 for initial adjustment, penetrating a supporting piece 7 in all first preformed holes 4 and second preformed holes 6 which are located at the same height and on the same horizontal line, and extending two ends of the supporting piece 7 out of the corresponding first preformed holes 4 and performing temporary anchoring. The hydraulic jack 3 adopts RSC-20050 type.
And S6, connecting the mounting upright posts 9 at the top of the adjusting square column 5 through flanges 10 according to the designed standard number of joints, removing the temporary anchoring of all the supporting members 7 after the mounting is finished, taking out the supporting members 7, lifting through a hydraulic jack 3 for final height adjustment, and penetrating the supporting members 7 between the bottom square column 2 and the adjusting square column 5 for anchoring after the adjustment is finished.
And S7, unloading by using the hydraulic jack 3 after construction is finished, and disassembling according to the installation sequence to turnover the disassembled parts.
The invention relates to a construction method of an assembled upright post and an extended foundation, which is characterized in that when the extended foundation 1 is installed, a first anchoring pore canal 11 at the same vertical position is used for penetrating an anchoring piece 12, when a standard layer is installed, the anchoring piece 12 of which the lower end is anchored with the standard layer at the lowest layer can be used as a vertical positioning rib when the rest standard layer is installed, the rest standard layer can realize rapid positioning installation by downwards penetrating the anchoring piece 12 at the corresponding position in the corresponding first anchoring pore canal 11, then standard layers with different sizes are assembled into an integral extended foundation 1 according to requirements after applying prestress tension and anchoring the anchoring piece 12, the integral extended foundation 1 is integrally connected into a whole and firmly supported, then a bottom square post 2 and an adjusting square post 5 are installed on the extended foundation 1, an upright post 9 is installed, a support piece 7 is inserted through a first reserved hole 4 and a second reserved hole 6 between the bottom square post 2 and the adjusting square post 5 in a matching way, carry out fixed stay and conveniently carry out altitude mixture control to stand 9 on vertical, be applicable to different construction height requirements, the ann tears the convenience open, is showing and is improving the efficiency of construction.
In another technical solution, as shown in fig. 1 and 3, if the total number N of the standard layers is greater than or equal to 3, the N-1 th and the following standard layers from bottom to top are respectively provided with vertical X-th anchoring pore channels symmetrically along the center of the extended foundation 1 in the plane region of the N-1 th standard layer outside the N-th standard layer, where X is 2, the N-2 th and the following standard layers from bottom to top are respectively provided with vertical X + 1-th anchoring pore channels symmetrically along the center of the extended foundation 1 in the plane region of the N-1 th standard layer outside the N-th standard layer, where X is 2, and so on until the N-1 th anchoring pore channel is symmetrically provided along the center of the extended foundation 1 in the region of the second standard layer outside the third standard layer between the first and second standard layers from bottom to top, all the standard layers are anchored by penetrating one anchoring piece 12 in X, X +1, the anchor tunnel of the No. 7 and the anchor tunnel of the No. 1 in the same vertical direction, the lower end of each X, X +1, the anchor tunnel of the No. 1 and the anchor tunnel of the No. 3 are respectively provided with a second groove, the upper ends of the anchor tunnels of the No. 1 and the anchor tunnels of the No. 2 are respectively provided with an outer positioning groove, the upper surface of the second groove and the inner part of each outer positioning groove are respectively and fixedly provided with the auxiliary positioning plate 22, and the upper surface of the auxiliary positioning plate 22 in the second groove is flush with the upper surface of the corresponding standard layer.
For example, N is 3 layers, on the basis of the first anchoring pore 11, the standard layer directly mounted on the cushion layer 21 is the 1 st standard layer 101, the uppermost is the 3 rd standard layer 103, the 2 nd standard layer 102 and the 1 st standard layer 101 from bottom to top are symmetrical to each other along the center of the extension foundation 1 in the plane area of the 2 nd standard layer 102 located outside the 3 rd standard layer 103, and thus, the 2 nd anchoring pore is at least connected between the two standard layers by the anchoring part 12, so that the overall structural strength and the supporting stability of the extension foundation 1 are enhanced, the number of the standard layers can be adjusted according to the construction height requirement, and the applicability is strong.
While the embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the specification and illustrated in the embodiments, which are fully applicable to various fields of endeavor with which the invention may be practiced, and further modifications may readily be effected by those skilled in the art, it is therefore intended that the invention not be limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (10)
1. An assembled stud, extension basis, characterized by, includes:
the expansion foundation comprises a plurality of standard layers which are sequentially connected along the vertical direction, the central lines of all the standard layers are aligned, and the sizes of the standard layers are sequentially reduced from bottom to top to form a step-shaped structure;
the bottom square column is connected and arranged on the standard layer positioned on the uppermost layer, a vertical cavity is formed in the bottom square column, a hydraulic jack is arranged at the bottom of the cavity, and a plurality of pairs of first preformed holes are formed in the upper end of the bottom square column on two opposite side walls in a vertically symmetrical mode;
the lower end of the adjusting square column is provided with second preformed holes corresponding to the first preformed holes on two sides facing the first preformed holes respectively, at least one layer of the first preformed holes and the second preformed holes at the same height are provided with supporting pieces in a penetrating manner together, and two ends of each supporting piece extend out of the first preformed holes on the corresponding side and are anchored through fasteners;
and the upright post is connected to the upper end of the adjusting square post through a flange.
2. The assembled type upright post and expanded foundation as claimed in claim 1, wherein first vertical through anchoring holes are symmetrically formed in the periphery of the bottom square post on each standard layer, the first anchoring holes of all the standard layers are distributed at the same position in the horizontal plane, an anchoring member is commonly inserted into all the first anchoring holes in the same vertical direction, and two ends of the anchoring member are fastened with the standard layers at corresponding positions through the anchoring members so as to fasten all the standard layers into a whole.
3. The assembled upright post and extension foundation as claimed in claim 2, wherein each standard layer is provided with a first groove upwardly at the bottom of each first anchoring hole of the corresponding layer to provide a space for mounting and protecting the anchorage device, and an auxiliary positioning plate having a second positioning hole is fixedly provided on the upper surface of the first groove.
4. The assembled upright post and extension foundation as claimed in claim 2, wherein the upper surface of each standard layer below the upright post is respectively provided with a lower post positioning groove, a lower post positioning plate is embedded and fixed in the lower post positioning groove, the upper surface of the lower post positioning plate is flush with the upper surface of the corresponding standard layer, the lower post positioning plate is provided with a first positioning hole corresponding to each first anchoring hole, and each anchoring member sequentially penetrates through all the first anchoring holes in the same vertical direction and all the first positioning holes in the corresponding positions.
5. The fabricated upright post and extended foundation of claim 1, wherein a pedestal anchor plate is attached to the surface of the uppermost standard layer, the center line of the pedestal anchor plate coincides with the center line of the standard layer, an anchor hole is formed in the pedestal anchor plate corresponding to each first anchor hole, and the upper end of each anchor passes through the anchor hole upwards and is fastened by the anchor.
6. The assembled upright post and extended foundation of claim 1, wherein the outer side wall of the lower end of the bottom square post is connected with a plurality of first stiffening plates, the first stiffening plates extend along the radial direction of the bottom square post and are uniformly distributed along the circumferential direction of the bottom square post, a plurality of second stiffening plates are respectively connected between the outer side wall of the upper end of the adjusting square post and the outer side wall of the lower end of the upright post and the flanges at the corresponding ends, and the inner sides of the upper end and the lower end of the bottom square post and the inner side of the lower end of the upright post are respectively connected with end stiffening plates.
7. The construction method of the fabricated upright post and extended foundation as claimed in claim 1, comprising the steps of:
s1, prefabricating a plurality of standard layers and bottom square columns of different sizes, adjusting square columns and stand columns according to design height requirements, enabling the lower ends of the adjusting square columns to extend into the bottom square columns, reserving first reserved holes arranged at equal intervals on the side walls of the bottom square columns, reserving second reserved holes arranged at equal intervals on the side walls of the adjusting square columns, inserting supporting pieces, and welding flanges at the lower ends of the bottom square columns, the upper ends of the adjusting square columns and the upper and lower ends of the stand columns respectively to facilitate subsequent flange connection or bolt connection;
s2, leveling on site, carrying out geological treatment on the corresponding position of the foundation to enable the bearing capacity of the foundation to reach the standard, and then constructing a cushion layer;
s3, splicing and connecting standard layers with different sizes to form a step-shaped expanded foundation on the prepared cushion layer by using field hoisting equipment;
s4, mounting a bottom square column at the center of the assembled extension foundation, and connecting the bottom square column with the extension foundation through flanges or bolts;
s5, placing a hydraulic jack in the bottom square column, placing an adjusting square column on the hydraulic jack, adjusting the height of the square column for initial adjustment through lifting of the hydraulic jack, penetrating supporting pieces in all first preformed holes and second preformed holes which are located at the same height and on the same horizontal line, and extending two ends of each supporting piece out of the corresponding first preformed hole and performing temporary anchoring;
s6, connecting and installing upright posts at the top of the adjusting square column through flanges according to the designed standard number of joints, removing temporary anchoring of all supporting pieces and taking out the supporting pieces after installation is finished, lifting and lowering the supporting pieces through a hydraulic jack for final height adjustment, and penetrating the supporting pieces between the bottom square column and the adjusting square column and anchoring the supporting pieces after adjustment is finished;
and S7, unloading by using a hydraulic jack after construction is finished, and disassembling inversely according to the installation sequence to circularly use the disassembled parts.
8. The construction method of the assembled upright post and the extended foundation as claimed in claim 7, wherein when the standard layers are prefabricated, vertically through first anchoring holes are symmetrically formed in the periphery of the area, outside the bottom square post, of the upper periphery of each standard layer, the first anchoring holes of all the standard layers are distributed in the same position in the horizontal plane, a groove is formed in the bottom of each first anchoring hole of each standard layer in an upward direction to provide a construction and protection space for the anchorage device, when the extended foundation is installed, the standard layer of the lowest layer is firstly placed on the cushion layer, the anchorage device is upwards inserted into the first anchoring hole, the lower end of the anchorage device is anchored at the bottom of the standard layer of the lowest layer, then the anchorage device is used for guiding and positioning, the other standard layers are inserted layer by layer, after the bottom square post is placed on the extended foundation, the anchorage device is tensioned and the upper end of the anchorage device is anchored, and fastening all the standard layers together by applying prestress to form an expansion foundation, and connecting the bottom square column and the expansion foundation together.
9. The construction method of the assembled upright post and the extended foundation as claimed in claim 7, wherein if the total number of the standard layers N is greater than or equal to 3, the N-1 th and the following standard layers from bottom to top are respectively provided with vertical X-th anchoring pore channels symmetrically along the center of the extended foundation in the plane area of the N-1 th standard layer outside the N-th standard layer, X is 2, the N-2 th and the following standard layers from bottom to top are respectively provided with vertical X + 1-th anchoring pore channels symmetrically along the center of the extended foundation in the plane area of the N-1 th standard layer outside the N-th standard layer, and so on until the N-1 th anchoring pore channels are symmetrically provided along the center of the extended foundation in the area of the second standard layer outside the third standard layer between the first and second standard layers from bottom to top, all standard layers are anchored by penetrating one anchoring piece in X, X +1, the right and the N-1 anchoring pore canals which are positioned on the same vertical direction, the lower end of each X, X +1, the right and the N-1 anchoring pore canals are respectively provided with a second groove, the upper ends of the anchoring pore canals are respectively provided with an outer column positioning groove, the upper surfaces of the second grooves and the inner ends of the outer column positioning grooves are respectively and fixedly provided with the auxiliary positioning plates, and the upper surfaces of the auxiliary positioning plates in the second grooves are flush with the upper surfaces of the corresponding standard layers.
10. The method as claimed in claim 7, wherein a layer of reinforcing mesh is pre-embedded inside each standard layer on both sides near the top and bottom surfaces to enhance the overall stress characteristics of the extended foundation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110813683.2A CN113585324B (en) | 2021-07-19 | 2021-07-19 | Construction method of assembled upright post and expanded foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110813683.2A CN113585324B (en) | 2021-07-19 | 2021-07-19 | Construction method of assembled upright post and expanded foundation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113585324A true CN113585324A (en) | 2021-11-02 |
| CN113585324B CN113585324B (en) | 2022-06-07 |
Family
ID=78247984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110813683.2A Active CN113585324B (en) | 2021-07-19 | 2021-07-19 | Construction method of assembled upright post and expanded foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113585324B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101736744A (en) * | 2009-12-25 | 2010-06-16 | 张子良 | Self-balancing sinking large-diameter tubular pile and construction method thereof |
| CN102733545A (en) * | 2012-06-28 | 2012-10-17 | 广东中城建设集团有限公司 | Section steel column for high-rise building section steel concrete combination structure, and construction method thereof |
| CN106499051A (en) * | 2016-11-21 | 2017-03-15 | 中国建筑股份有限公司 | A kind of post insertion prefabricated PC concrete frame frame system and its construction method |
| CN110029728A (en) * | 2018-05-22 | 2019-07-19 | 北京市建筑工程研究院有限责任公司 | A kind of function of the aerial construction of band can restore assembly concrete frame foot joint |
| CN111851559A (en) * | 2020-08-13 | 2020-10-30 | 中交第二航务工程勘察设计院有限公司 | Assembled foundation under post |
| CN112853983A (en) * | 2021-01-11 | 2021-05-28 | 山东高速建设管理集团有限公司 | Manufacturing and on-site assembling process of light segment prefabricated bridge pier |
-
2021
- 2021-07-19 CN CN202110813683.2A patent/CN113585324B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101736744A (en) * | 2009-12-25 | 2010-06-16 | 张子良 | Self-balancing sinking large-diameter tubular pile and construction method thereof |
| CN102733545A (en) * | 2012-06-28 | 2012-10-17 | 广东中城建设集团有限公司 | Section steel column for high-rise building section steel concrete combination structure, and construction method thereof |
| CN106499051A (en) * | 2016-11-21 | 2017-03-15 | 中国建筑股份有限公司 | A kind of post insertion prefabricated PC concrete frame frame system and its construction method |
| CN110029728A (en) * | 2018-05-22 | 2019-07-19 | 北京市建筑工程研究院有限责任公司 | A kind of function of the aerial construction of band can restore assembly concrete frame foot joint |
| CN111851559A (en) * | 2020-08-13 | 2020-10-30 | 中交第二航务工程勘察设计院有限公司 | Assembled foundation under post |
| CN112853983A (en) * | 2021-01-11 | 2021-05-28 | 山东高速建设管理集团有限公司 | Manufacturing and on-site assembling process of light segment prefabricated bridge pier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113585324B (en) | 2022-06-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7805895B2 (en) | Foundation for enabling anchoring of a wind turbine tower thereto by means of replaceable through-bolts | |
| CN106661855B (en) | The installation method of the ground based system of the ground based system and tower of tower | |
| US10422156B1 (en) | Lightweight concrete or masonry fence system with optional concrete footings | |
| CN102834572B (en) | Tower construction and method for erecting the tower construction | |
| US7739843B2 (en) | Pre-stressed concrete tower for wind power generators | |
| US5586417A (en) | Tensionless pier foundation | |
| US20110131899A1 (en) | Apparatus and method for producing a concrete foundation | |
| KR20110004797A (en) | Modular surface foundation for wind turbine space frame towers | |
| US20110192111A1 (en) | Cast-in Shear Wall Anchor | |
| KR20210094617A (en) | Foundation for wind turbine towers | |
| CN205647362U (en) | Large -span prestressing force cable photovoltaic support | |
| CN209760756U (en) | Anchoring type overhanging scaffold | |
| US10060087B2 (en) | Fully adjustable suspended post and panel modules and installation methods | |
| CN113585324B (en) | Construction method of assembled upright post and expanded foundation | |
| CN213392499U (en) | Grouting-free dry-type prestressed bolt splicing and slicing prefabricated assembly type mixed tower | |
| MX2007009456A (en) | Pre-stressed concrete tower for wind power generators. | |
| CN112502182A (en) | Anchor bar type shell column base joint and mounting method thereof | |
| CN114319417B (en) | Barrel-shaped assembled wind power tower barrel foundation and construction method thereof | |
| US8607518B2 (en) | Wall panel with extended integral post | |
| CN217268350U (en) | Large-span special-shaped steel-concrete column | |
| KR101035430B1 (en) | Connection structure of pillar in soundproof wall and construction method therefor | |
| CN220769631U (en) | Prefabricated concrete double-truss fan lifting base | |
| CN219386816U (en) | Assembled steel construction concrete superimposed sheet | |
| RU2782015C2 (en) | Foundation for wind power plant | |
| CN217557173U (en) | Prestress assembled concrete special-shaped column frame structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220218 Address after: 430048 No. 11 Jinyinhu Road, Dongxihu District, Wuhan City, Hubei Province Applicant after: CCCC SECOND HARBOR ENGINEERING Co.,Ltd. Applicant after: CCCC Wuhan harbor engineering design and Research Institute Co., Ltd Address before: 430048 No. 11 Jinyinhu Road, Dongxihu District, Wuhan City, Hubei Province Applicant before: CCCC SECOND HARBOR ENGINEERING Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |