CN109811811B - Shallow foundation building deviation rectifying and reinforcing structure and construction method - Google Patents
Shallow foundation building deviation rectifying and reinforcing structure and construction method Download PDFInfo
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Abstract
The invention discloses a shallow foundation building rectification reinforcing structure and a construction method, wherein the shallow foundation building rectification reinforcing structure comprises a concrete base, the upper end of the concrete base is fixedly connected with a bearing platform, the side wall of the bearing platform is fixedly connected with a circle of bearing flanges, the bearing flanges are provided with a plurality of connecting frames through screws, the bottom ends of the connecting frames are fixedly connected with supporting columns, the bottom ends of the supporting columns are fixedly connected with connecting plates, the bottom ends of the connecting plates are fixedly connected with sleeves, the sleeves are fixedly connected with clamping mechanisms through bolts, the clamping mechanisms are detachably connected with an I-shaped frame, and bottom piles of the I-shaped frame are arranged on the bottom of the I-shaped frame. When the invention is used for correcting the deviation of the shallow foundation building, on one hand, the invention can better keep the original structural member of the building by causing less damage to the original structural member of the building, is convenient to install and fix during the deviation correction and is convenient to disassemble after the deviation correction, and the invention has the advantages of low manufacturing cost, convenient construction and capability of ensuring the engineering quality.
Description
Technical Field
The invention relates to the technical field of building reinforcing equipment, in particular to a deviation rectifying and reinforcing structure of a shallow foundation building and a construction method.
Background
The buildings are general names of buildings and structures, and are artificial environments created by people by using mastered material technical means and applying certain scientific laws, wind and water concepts and aesthetic rules to meet the needs of social life, and some inclined buildings often have the problem that the basic bearing capacity cannot meet the requirements at the same time. The deviation correcting method for building includes soil digging deviation correcting method, water lowering treatment method, pile loading pressurizing deviation correcting method, broken column jacking method, etc.
The precipitation deviation rectifying method is that on the ground surface of the opposite side of outdoor inclination, several open caisson or well point pipes, large-diameter precipitation well pipes and other deep well points are set, and a pump is set to pump water, or outside ditches are dug and drained to forcibly reduce underground water level, so that the pore water in soil is reduced and the soil is pressed to sink, so that the inclination is recovered. The pile loading pressurization deviation rectifying method is characterized in that when a building with large live load constructed on soft foundation soil is produced, a large amount of concentrated load is applied in a short period, or even load is applied, but the application rate is too high, so that pore water pressure in a foundation soil body cannot be dissipated in time and is not solidified sufficiently, the improvement of the bearing capacity of the foundation is influenced, when external load exceeds the temporary plastic load of the foundation, a plastic region of the foundation appears, partial soil body is extruded from the lateral direction of a base, the building is greatly settled, even seriously inclined, and the pile loading pressurization deviation rectifying is to apply temporary load on the side with small settlement of the building, properly increase the settlement of the side, and reduce uneven settlement difference and inclination. The column-breaking jacking method is characterized in that for a frame structure building which is inclined, corresponding measures are taken according to actual conditions on site to cut columns at positions where settlement is more generated, then the columns are jacked, after jacking displacement of the columns meets design requirements, the cut columns are reinforced, jacking force is removed, and therefore the purpose of correcting deviation is achieved. The deviation correcting methods for the buildings only solve the problem of building inclination. When the building is inclined and the foundation bearing capacity does not meet the requirement, the first three methods cannot simultaneously solve the problems that the building is inclined and the foundation bearing capacity does not meet the requirement, and the three methods are inconvenient to install and disassemble during construction and use.
Disclosure of Invention
The invention aims to solve the problems and provides a deviation rectifying and reinforcing structure and a construction method for a shallow foundation building.
In order to achieve the purpose, the invention adopts the following technical scheme:
a deviation rectifying and reinforcing structure of a shallow foundation building comprises an earth mixing base, wherein the upper end of the earth mixing base is fixedly connected with a bearing platform, the side wall of the bearing platform is fixedly connected with a circle of bearing flanges, the bearing flanges are provided with a plurality of connecting frames through screws, the bottom ends of the connecting frames are fixedly connected with supporting columns, the bottom ends of the supporting columns are fixedly connected with connecting plates, the bottom ends of the connecting plates are fixedly connected with sleeves, the sleeves are fixedly connected with clamping mechanisms through bolts, the clamping mechanisms are detachably connected with an I-shaped frame, and bottom piles of the I-shaped frame are arranged on the I-shaped frame;
the bearing table and the concrete base are fixed through a plurality of groups of anchor rods;
every group the stock all includes first stock and second stock, the one end of first stock and second stock passes through mount and plummer fixed connection jointly, first stock and second stock pass through mount and plummer fixed connection respectively, and the contained angle between first stock and the second stock is between 20-40.
Preferably, the clamping mechanism comprises a shell, a bolt, a rotating block, a first fixing frame, a screw rod, a nut, a connecting rod, a locking block and a second fixing frame;
the casing passes through bolt and sleeve fixed connection, the bolt axial is arranged at the surface of sleeve and casing, first mount radially sets up the internal surface in one side of casing, the radial opposite side internal surface that sets up at the casing of second mount, the axle center of first mount is rotated through the bearing and is connected with the lead screw, lead screw and nut threaded connection, the bilateral symmetry of nut is rotated and is connected with the connecting rod, the one end that the nut was kept away from to the connecting rod is rotated and is connected with the locking piece, the middle part of locking piece is rotated and is connected on the second mount.
Preferably, a third fixing frame is fixedly connected to the inner radial direction of the shell, a limiting sleeve is fixedly connected to the middle of the third fixing frame, and the limiting sleeve is axially sleeved on the outer surface of the screw rod in a sliding manner.
Preferably, the two sides of the top of the I-shaped frame are symmetrically and integrally formed with lock tongues, and the lock block is provided with lock holes matched with the lock tongues for use.
Preferably, the top end of the I-shaped frame is fixedly connected with a positioning block, and a through hole for accommodating the screw rod is axially formed in the positioning block.
The invention also discloses a construction method of the shallow foundation building rectification reinforcing structure, which comprises the following steps:
step one, calculating the distance between the concrete base and the bearing table and the distance between the upper fixing frame and the lower fixing frame, and processing and selecting a first anchor rod and a second anchor rod with corresponding lengths according to the distance between the two fixing frames;
secondly, excavating a shallow foundation building according to the requirements of a design drawing, adding a bearing platform on the original concrete base, determining a punching position along the circumferential direction of the concrete base, and punching by using a piling tool;
thirdly, sequentially pressing bottom piles according to the punching positions of the piling tools, wherein the mounting direction of the bottom piles is vertical;
pouring concrete into the gap between the concrete base and the underground soil layer and the gap between the foundation pile and the underground soil layer until the whole gap is filled with the concrete;
step five, after the bottom pile is pressed in and stabilized, a jack is used for applying counter force to the bearing flange which needs to be lifted according to design requirements for lifting, the lifting height of the jack is locked until the bearing flange drives the bearing platform to incline and meet the design requirements, and at the moment, the connecting frame is installed on the bearing flange through a screw rod;
and sixthly, rotating the rotating block through a wrench, driving and adjusting the clamping mechanism through the rotating block, enabling the two locking blocks at the bottom of the clamping mechanism to turn outwards, aligning the tool frame at the bottom side and clamping the tool frame, reversely driving the rotating block through the wrench to lock the locking blocks with the lock tongues through the lock holes in a matched mode, and completing installation of the support columns and unloading of the jack at the moment.
Compared with the prior art, the invention has the following advantages:
when the invention is used for correcting the deviation of the shallow foundation building, on one hand, the invention can better keep the original structural member of the building by causing less damage to the original structural member of the building, is convenient to install and fix during the deviation correction and is convenient to disassemble after the deviation correction, and the invention has the advantages of low manufacturing cost, convenient construction and capability of ensuring the engineering quality.
Drawings
FIG. 1 is a schematic structural diagram of a deviation rectifying and reinforcing structure for a shallow foundation building according to the present invention;
FIG. 2 is a schematic view of a clamping mechanism of the deviation rectifying and reinforcing structure of a shallow foundation building according to the present invention;
fig. 3 is a top view of a deviation rectifying and reinforcing structure for a shallow foundation building according to the present invention.
In the figure: the concrete anchor rod comprises a concrete base 1, a bearing table 2, a bearing flange 3, a connecting frame 4, a supporting column 5, a screw rod 6, a bottom pile 7, a connecting plate 8, a sleeve 9, a shell 10, a bolt 11, a rotating block 12, a first fixing frame 13, a screw rod 14, a third fixing frame 15, a limiting sleeve 16, a nut 17, a connecting rod 18, a locking block 19, a positioning block 20, a second fixing frame 21, a locking tongue 22, an I-shaped frame 23, a locking hole 24, a fixing frame 25, a first anchor rod 26 and a second anchor rod 27.
Detailed Description
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.
Example one
Referring to fig. 1 to 3, a shallow foundation building reinforced structure that rectifies, including mixing earth base 1, mix earth base 1's upper end fixedly connected with plummer 2, fixedly connected with round bears flange 3 on plummer 2's the lateral wall, bear flange 3 and install a plurality of links 4 through screw rod 6, the bottom fixedly connected with support column 5 of link 4, the bottom fixedly connected with connecting plate 8 of support column 5, the bottom fixedly connected with sleeve 9 of connecting plate 8, sleeve 9 passes through 11 fixedly connected with latch mechanism of bolt, latch mechanism can dismantle and be connected with I-shaped frame 23, I-shaped frame 23 end stake 7.
Specifically, referring to fig. 2, the clamping mechanism includes a housing 10, a bolt 11, a rotating block 12, a first fixing frame 13, a screw 14, a nut 17, a connecting rod 18, a locking block 19, and a second fixing frame 21, and the specific connection is as follows:
the shell 10 is fixedly connected with the sleeve 9 through a bolt 11, the bolt 11 is axially arranged on the outer surfaces of the sleeve 9 and the shell 10, the first fixing frame 13 is radially arranged on the inner surface of one side of the shell 10, the second fixing frame 21 is radially arranged on the inner surface of the other side of the shell 10, the axis of the first fixing frame 13 is rotatably connected with the screw rod 14 through a bearing, the screw rod 14 is in threaded connection with the nut 17, the two sides of the nut 17 are symmetrically and rotatably connected with the connecting rod 18, one end, far away from the nut 17, of the connecting rod 18 is rotatably connected with the locking block 19, and the middle of the locking block 19.
Further, a third fixing frame 15 is fixedly connected to the inner diameter of the shell 10, a limiting sleeve 16 is fixedly connected to the middle of the third fixing frame 15, and the limiting sleeve 16 is axially slidably sleeved on the outer surface of the screw rod 14.
Furthermore, the two sides of the top of the i-shaped frame 23 are symmetrically and integrally formed with a lock tongue 22, and the lock block 19 is provided with a lock hole 24 matched with the lock tongue 22 for use.
A construction method for a shallow foundation building deviation rectifying and reinforcing structure comprises the following steps:
step one, calculating the distance between the concrete base 1 and the bearing platform 2 and the distance between the upper and lower side fixing frames 25, and processing and selecting a first anchor rod 26 and a second anchor rod 27 with corresponding lengths according to the distance between the two fixing frames 25;
secondly, excavating a shallow foundation building according to the requirements of a design drawing, adding a bearing platform 2 on an original concrete base 1, determining a punching position along the circumferential direction of the concrete base 1, and punching by using a piling tool;
thirdly, sequentially pressing in bottom piles 7 according to the punching positions of the piling tools, wherein the installation direction of the bottom piles 7 is vertical;
pouring concrete into the gap between the concrete base 1 and the underground soil layer and the gap between the bottom pile 7 and the underground soil layer until the whole gap is filled with the concrete;
step five, after the bottom pile 7 is pressed in and stabilized, a jack is used for applying counter force to the bearing flange 3 which needs to be lifted according to design requirements for lifting, the lifting height of the jack is locked until the bearing flange 3 drives the bearing platform 2 to incline and meet the design requirements, and at the moment, the connecting frame 4 is installed on the bearing flange 3 through the screw 6;
and sixthly, rotating the rotating block 12 through a wrench, driving and adjusting the clamping mechanism through the rotating block 12 to enable the two locking blocks 19 at the bottom of the clamping mechanism to turn outwards, aligning the I-shaped frame 23 at the bottom side and clamping the I-shaped frame, reversely driving the rotating block 12 through the wrench to enable the locking blocks 19 to be matched and locked with the lock tongue 22 through the lock hole 24, and completing the installation of the support column 5 and the unloading of the jack at the moment by servo.
Example two
Referring to fig. 1 to 3, a shallow foundation building reinforced structure that rectifies, including mixing earth base 1, mix earth base 1's upper end fixedly connected with plummer 2, fixedly connected with round bears flange 3 on plummer 2's the lateral wall, bear flange 3 and install a plurality of links 4 through screw rod 6, the bottom fixedly connected with support column 5 of link 4, the bottom fixedly connected with connecting plate 8 of support column 5, the bottom fixedly connected with sleeve 9 of connecting plate 8, sleeve 9 passes through 11 fixedly connected with latch mechanism of bolt, latch mechanism can dismantle and be connected with I-shaped frame 23, I-shaped frame 23 end stake 7.
Specifically, referring to fig. 2, the clamping mechanism includes a housing 10, a bolt 11, a rotating block 12, a first fixing frame 13, a screw 14, a nut 17, a connecting rod 18, a locking block 19, and a second fixing frame 21, and the specific connection is as follows:
the shell 10 is fixedly connected with the sleeve 9 through a bolt 11, the bolt 11 is axially arranged on the outer surfaces of the sleeve 9 and the shell 10, the first fixing frame 13 is radially arranged on the inner surface of one side of the shell 10, the second fixing frame 21 is radially arranged on the inner surface of the other side of the shell 10, the axis of the first fixing frame 13 is rotatably connected with the screw rod 14 through a bearing, the screw rod 14 is in threaded connection with the nut 17, the two sides of the nut 17 are symmetrically and rotatably connected with the connecting rod 18, one end, far away from the nut 17, of the connecting rod 18 is rotatably connected with the locking block 19, and the middle of the locking block 19.
Further, a third fixing frame 15 is fixedly connected to the inner diameter of the shell 10, a limiting sleeve 16 is fixedly connected to the middle of the third fixing frame 15, and the limiting sleeve 16 is axially slidably sleeved on the outer surface of the screw rod 14.
Furthermore, the two sides of the top of the i-shaped frame 23 are symmetrically and integrally formed with a lock tongue 22, and the lock block 19 is provided with a lock hole 24 matched with the lock tongue 22 for use.
The bearing table 2 and the concrete base 1 are fixed through a plurality of groups of anchor rods.
Each group of anchor rods comprises a first anchor rod 26 and a second anchor rod 27, one end of each of the first anchor rod 26 and the second anchor rod 27 is fixedly connected with the bearing platform 2 through a fixing frame 25, the first anchor rod 26 and the second anchor rod 27 are fixedly connected with the bearing platform 2 through the fixing frame 25 respectively, and an included angle between the first anchor rod 26 and the second anchor rod 27 is 20-40 degrees.
The construction method of this embodiment is the same as that of the first embodiment.
The previous description is provided to enable any person skilled in the art to practice the various aspects described herein. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects. Thus, the claims are not intended to be limited to the aspects shown herein, but is to be accorded the full scope consistent with the language claims, wherein reference to an element in the singular is not intended to mean "one and only one" unless specifically so stated, but rather "one or more. The term "exemplary" is used herein to mean "serving as an example, instance, or illustration. Any aspect described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other aspects. The term "some" means one or more unless specifically stated otherwise. All structural and functional equivalents to the elements of the various aspects described throughout this disclosure that are known or later come to be known to those of ordinary skill in the art are expressly incorporated herein by reference and are intended to be encompassed by the claims. Moreover, nothing disclosed herein is intended to be dedicated to the public regardless of whether such disclosure is explicitly recited in the claims. No claim element should be construed as a means-plus-function unless the element is explicitly recited using the phrase "means for.
Claims (5)
1. The correcting and reinforcing structure of the shallow foundation building comprises a concrete base (1) and is characterized in that a bearing table (2) is fixedly connected to the upper end of the concrete base (1), a circle of bearing flanges (3) are fixedly connected to the side wall of the bearing table (2), a plurality of connecting frames (4) are mounted on the bearing flanges (3) through screws (6), supporting columns (5) are fixedly connected to the bottom ends of the connecting frames (4), connecting plates (8) are fixedly connected to the bottom ends of the supporting columns (5), sleeves (9) are fixedly connected to the bottom ends of the connecting plates (8), and clamping mechanisms are fixedly connected to the sleeves (9) through bolts (11); the clamping mechanism comprises a shell (10), a bolt (11), a rotating block (12), a first fixing frame (13), a screw rod (14), a nut (17), a connecting rod (18), a locking block (19) and a second fixing frame (21);
the shell (10) is fixedly connected with the sleeve (9) through a bolt (11), the bolt (11) is axially arranged on the outer surfaces of the sleeve (9) and the shell (10), the first fixing frame (13) is radially arranged on the inner surface of one side of the shell (10), the second fixing frame (21) is radially arranged on the inner surface of the other side of the shell (10), the axis of the first fixing frame (13) is rotatably connected with a lead screw (14) through a bearing, the lead screw (14) is in threaded connection with a nut (17), connecting rods (18) are symmetrically and rotatably connected to the two sides of the nut (17), one end, far away from the nut (17), of each connecting rod (18) is rotatably connected with a locking block (19), and the middle part of each locking block (19) is rotatably connected to the second fixing frame (21); the clamping mechanism is detachably connected with a tool-shaped frame (23) through the locking block (19), and the tool-shaped frame (23) is a bottom pile (7);
the bearing table (2) and the concrete base (1) are fixed through a plurality of groups of anchor rods;
every group the stock all includes first stock (26) and second stock (27), the one end of first stock (26) and second stock (27) is jointly through mount (25) and plummer (2) fixed connection, the other end of first stock (26) and second stock (27) is respectively through mount (25) and muddy earth base (1) fixed connection, and the contained angle between first stock (26) and second stock (27) is between 20-40.
2. The shallow foundation building rectification reinforcing structure as claimed in claim 1, wherein a third fixing frame (15) is fixedly connected to the inner diameter of the shell (10) in the radial direction, a limiting sleeve (16) is fixedly connected to the middle of the third fixing frame (15), and the limiting sleeve (16) is axially slidably sleeved on the outer surface of the screw rod (14).
3. The deviation rectifying and reinforcing structure for the shallow foundation building as claimed in claim 1, wherein the two sides of the top of the I-shaped frame (23) are symmetrically and integrally formed with locking tongues (22), and the locking block (19) is provided with locking holes (24) matched with the locking tongues (22) for use.
4. The shallow foundation building deviation rectifying and reinforcing structure as claimed in claim 1, wherein a positioning block (20) is fixedly connected to the top end of the I-shaped frame (23), and a through hole for accommodating the screw rod (14) is axially formed in the positioning block (20).
5. The construction method of the shallow foundation building rectifying and reinforcing structure according to claim 3, characterized by comprising the following steps:
step one, calculating the distance between the concrete base (1) and the bearing platform (2) and the distance between the fixing frames (25) on the left side and the right side, and processing and selecting a first anchor rod (26) and a second anchor rod (27) with corresponding lengths according to the distance between the two fixing frames (25);
secondly, excavating a shallow foundation building according to the requirements of a design drawing, adding a bearing platform (2) on an original concrete base (1), determining a punching position along the circumferential direction of the concrete base (1), and punching by using a piling tool;
thirdly, sequentially pressing in bottom piles (7) according to the drilling positions of the piling tools, wherein the mounting direction of the bottom piles (7) is vertical;
pouring concrete into the gap between the concrete base (1) and the underground soil layer and the gap between the foundation pile (7) and the underground soil layer until the whole gap is filled with the concrete;
fifthly, after the bottom pile (7) is pressed in and stabilized, a jack is used for applying counter force to the bearing flange (3) which is lifted according to design requirements to lift, the lifting height of the jack is locked until the bearing flange (3) drives the bearing platform (2) to incline to meet the design requirements, and at the moment, the connecting frame (4) is installed on the bearing flange (3) through the screw (6);
and sixthly, rotating the rotating block (12) through a wrench, driving and adjusting the clamping mechanism through the rotating block (12), enabling the two locking blocks (19) at the bottom of the clamping mechanism to turn outwards, aligning the two locking blocks to the tool frame (23) at the bottom side and clamping the tool frame into the tool frame, reversely driving the rotating block (12) through the wrench to enable the locking blocks (19) to be matched and locked with the lock tongue (22) through the lock hole (24), and completing the installation of the support column (5) and the unloading of the jack at the moment.
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| CN201910154436.9A CN109811811B (en) | 2019-03-01 | 2019-03-01 | Shallow foundation building deviation rectifying and reinforcing structure and construction method |
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| CN201910154436.9A CN109811811B (en) | 2019-03-01 | 2019-03-01 | Shallow foundation building deviation rectifying and reinforcing structure and construction method |
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| CN110593261A (en) * | 2019-06-17 | 2019-12-20 | 上海建工二建集团有限公司 | Vertical supporting pile verticality adjusting platform and construction method |
| GB202000921D0 (en) * | 2020-01-22 | 2020-03-04 | Francis & Lewis International Ltd | Improvements in and relating to a spatial structure-support apparatus |
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| CN102660969A (en) * | 2012-05-27 | 2012-09-12 | 上海岩土工程勘察设计研究院有限公司 | Deviation rectifying method for building |
| JP2013024005A (en) * | 2011-07-26 | 2013-02-04 | Sun Quest:Kk | Support construction method of structure |
| CN107059496A (en) * | 2017-01-09 | 2017-08-18 | 北京瑞威铁科高铁工程有限公司 | A kind of track road-bridge transition section slip casting correction lifting method |
| CN208136979U (en) * | 2018-03-27 | 2018-11-23 | 海南中厦建设工程有限公司 | A kind of shallow foundation rectifying of leaned building ruggedized construction |
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2019
- 2019-03-01 CN CN201910154436.9A patent/CN109811811B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013024005A (en) * | 2011-07-26 | 2013-02-04 | Sun Quest:Kk | Support construction method of structure |
| CN102660969A (en) * | 2012-05-27 | 2012-09-12 | 上海岩土工程勘察设计研究院有限公司 | Deviation rectifying method for building |
| CN107059496A (en) * | 2017-01-09 | 2017-08-18 | 北京瑞威铁科高铁工程有限公司 | A kind of track road-bridge transition section slip casting correction lifting method |
| CN208136979U (en) * | 2018-03-27 | 2018-11-23 | 海南中厦建设工程有限公司 | A kind of shallow foundation rectifying of leaned building ruggedized construction |
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