CN106968268B - Installation method of foundation bolt - Google Patents
Installation method of foundation bolt Download PDFInfo
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- CN106968268B CN106968268B CN201710366952.9A CN201710366952A CN106968268B CN 106968268 B CN106968268 B CN 106968268B CN 201710366952 A CN201710366952 A CN 201710366952A CN 106968268 B CN106968268 B CN 106968268B
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- 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
Abstract
A method of installing an anchor bolt comprising the steps of: preparing foundation bolts according to a drawing; intercepting a transverse bolt supporting rod and a longitudinal bolt supporting rod; cutting out the connecting rod; manufacturing a bolt positioning plate, and drilling a required number of bolt through holes on the top surface; cutting two transverse positioning plane plates, and arranging the two transverse positioning plane plates on the front side and the rear side of the top surface of each positioning plate, wherein the height of the top surface is determined according to the thickness of a nut and the diameter of a transverse bolt support rod; cutting two longitudinal positioning plane plates, and arranging the two longitudinal positioning plane plates on the left side and the right side of the top surface of the bolt positioning plate, wherein the height of the top surface is obtained by subtracting the diameter of a longitudinal bolt supporting rod from the height of the top surface of a transverse positioning plane plate; fixing the foundation bolt on the bolt positioning plate through a nut; welding the transverse and longitudinal bolt support rods and the connecting rods on foundation bolts; the components are assembled into a whole and then taken down; and placing the whole foundation bolt into a cavity surrounded by the vertical ribs of the column cap, and welding the transverse bolt supporting rod and the top layer stirrups. The invention can not only realize the installation of the foundation bolt, but also ensure the construction quality and save the construction cost.
Description
Technical Field
The invention relates to the field of building construction, in particular to a method for installing foundation bolts by assembling a plurality of independent foundation bolts into a whole.
Background
In the construction of steel structure foundation, few rag bolt, rag bolt's design is that single buries underground among the steel structure foundation. When the head part of the foundation column is constructed, people usually tie the vertical bars of the column head, install a template, then set a bolt positioning frame on the template through measurement and paying-off, then install the foundation bolts on the bolt positioning frame one by one, finally use the short steel bars to weld the root of each foundation bolt and the vertical bars of the column head, and pour the concrete after the foundation bolts are qualified. The construction method has the following disadvantages: 1. as many steel structure foundations are poured, as many bolt positioning frames need to be manufactured, and materials are wasted; 2. when the stirrups of the vertical bars of the column cap are dense, hooks or anchor plates (collectively called embedded structures) at one end of the foundation bolt are difficult to place into the vertical bars of the column cap, and the installation difficulty is quite high, so that workers with good technology need to be found for operation, and a plurality of problems still exist. For example, when the foundation bolt is difficult to install, some foundation bolts are installed reluctantly in a mode of damaging a steel bar structure by hard-turning and hard-prying, but after installation, repeated adjustment is needed, and labor and time are wasted; some gas cutting methods are adopted to damage stirrups and then realize the installation of foundation bolts, but the construction quality is seriously influenced; still others require more rework to accomplish the installation of the anchor bolts.
Disclosure of Invention
The invention aims to solve the technical problem of providing an installation method of foundation bolts, which can quickly realize the installation of the foundation bolts, ensure the construction quality and save the construction cost, thereby thoroughly solving the technical problem that the foundation bolts are difficult to install all the time.
The technical scheme of the invention is to provide a method for mounting a foundation bolt, which comprises the following steps:
(1) According to the plane arrangement requirement of the foundation bolts in a single foundation column in the design drawing, the quantity of the foundation bolts with the specified specification is prepared;
(2) Cutting two transverse bolt support rods, wherein the length of each transverse bolt support rod is equal to the transverse side length of the section of the basic column cap, and drawing a central line on the two transverse bolt support rods;
(3) Cutting two longitudinal bolt support rods, wherein the length of each longitudinal bolt support rod is equal to the longitudinal side length of the section of the basic column cap, and drawing a central line on the two longitudinal bolt support rods;
(4) Cutting out four connecting rods, wherein the length of each connecting rod is equal to the side length of the shape surrounded by the foundation bolts arranged in the drawing;
(5) Manufacturing a bolt positioning plate, drilling bolt through holes with the number equal to that of foundation bolts arranged in a drawing on the top surface of the bolt positioning plate, wherein the positions of the bolt through holes are the same as the mounting positions of the foundation bolts arranged in the drawing, and punching basic axis samples or carving central lines on the top surface of the bolt positioning plate;
(6) Cutting two transverse positioning plane plates, punching basic axis sample punching holes or carving central lines on the top surfaces of the two transverse positioning plane plates, symmetrically installing the two transverse positioning plane plates on the front side and the rear side of the top surface of the bolt positioning plate respectively, ensuring that the basic axis sample punching holes or the carving central lines are aligned with the basic axis sample punching holes or the carving central lines on the top surface of the bolt positioning plate, determining the height between the top surface of the transverse positioning plane plate and the top surface of the bolt positioning plate according to the thickness of a nut and the diameter of a transverse bolt supporting rod, and when the end surface of the nut is attached to the bottom surface of the bolt positioning plate and the transverse bolt supporting rod is positioned on the top surface of the transverse positioning plane plate, and the distance h between the end surface of the nut and the bottom surface of the bolt positioning plate is equal to the exposed height h' of a threaded section when an anchor bolt specified in a drawing is installed on a vertical stud;
(7) Cutting two longitudinal positioning plane plates, punching basic axis sample punching holes or carving central lines on the top surfaces of the two longitudinal positioning plane plates, symmetrically installing the two longitudinal positioning plane plates on the left side and the right side of the top surface of the bolt positioning plate respectively, ensuring that the basic axis sample punching holes or the carved central lines are aligned with the basic axis sample punching holes or the carved central lines on the top surface of the bolt positioning plate, and obtaining the height between the top surfaces of the longitudinal positioning plane plates and the top surface of the bolt positioning plate by subtracting the diameter of a longitudinal bolt supporting rod from the height of the top surface of a transverse positioning plane plate;
(8) Cutting a plurality of support legs and installing the support legs on the bottom surface of the bolt positioning plate;
(9) Inserting the threaded section of each foundation bolt into the bolt through hole, fixing the threaded section on the bolt positioning plate through two nuts, arranging one nut on each of the top surface and the bottom surface of the bolt positioning plate, ensuring that the bottom surface of the threaded section is flush with the bottom surface of the nut below or just exposing the nut below, and fixing other foundation bolts on the bolt positioning plate according to the method;
(10) Respectively placing two transverse bolt support rods on two transverse positioning plane plates to ensure that the central line drawn on the peripheral wall of the transverse bolt support rods is aligned with the base axis punching hole or the central line drawn on the transverse positioning plane plates, and welding the transverse bolt support rods and the foundation bolts attached to the transverse bolt support rods;
(11) Respectively placing two longitudinal bolt support rods on two longitudinal positioning plane plates, ensuring that the central line drawn on the peripheral wall of each longitudinal bolt support rod is aligned with the base axis punching hole or the central line drawn on the longitudinal positioning plane plate, and welding the longitudinal bolt support rods and the foundation bolts attached to the longitudinal bolt support rods;
(12) Welding four connecting rods to the periphery of the shape surrounded by the foundation bolt, wherein the four connecting rods are positioned at the embedded structure end of the foundation bolt;
(13) After all welding is finished, all foundation bolts are assembled into a whole, and nuts are unscrewed to be taken down;
(14) After concrete pouring below the foundation column cap is finished, adjusting the vertical bars of the column cap according to the requirements of a drawing, and ensuring the height and the plane position of the vertical bars;
(15) Drawing an elevation position line of a top-layer stirrup and an elevation position line of a topmost-layer lower stirrup below the embedded structure at the top of the column head vertical rib by measuring and paying off;
(16) Binding the top layer stirrup on the outermost periphery of the top of the column head vertical rib according to the position line, firmly welding the top layer stirrup with the column head vertical rib, binding all lower stirrups below the embedded structure, and temporarily not binding the stirrups between the top layer stirrup and the uppermost layer lower stirrup;
(17) Drawing a plane positioning central line of the foundation bolt on the top layer stirrup by measuring and paying off;
(18) Putting the whole foundation bolt taken down in the step (13) into a cavity surrounded by the vertical ribs of the column cap, ensuring that the thread section is upward, then lapping two transverse bolt support rods on the top layer stirrup, ensuring that the central lines drawn on the two transverse bolt support rods and the two longitudinal bolt support rods are respectively aligned with the plane positioning central line drawn on the top layer stirrup, and then firmly binding the two transverse bolt support rods and the top layer stirrup;
(19) Binding all unbound stirrups in the column head vertical bars;
(20) Drawing a frame line of a basic column head by measuring and paying off, and then installing a column head template;
(21) And detecting the whole foundation bolt after the installation is finished, firmly welding the transverse bolt supporting rod and the top-layer stirrup after the transverse bolt supporting rod is qualified, and protecting the threaded section of the foundation bolt.
According to the method for installing the foundation bolt, a reinforcement inclined rod is cut off simultaneously in the step (4), and the reinforcement inclined rod is welded on the diagonal line of the shape surrounded by all the foundation bolts in the step (12).
According to the installation method of the foundation bolt, the middle of the bolt positioning plate is provided with the square hole.
After the structure is adopted, compared with the prior art, the installation method of the foundation bolt has the following advantages:
1. when the foundation bolts are installed, the existing bolt positioning frame is not needed, so that the material for manufacturing a plurality of bolt positioning frames and the manual manufacturing cost are saved;
2. when the invention is manufactured, the invention can be manufactured by adopting leftover bits and pieces, and can be repeatedly used after the manufacture is finished, thereby greatly saving the cost;
3. the method can be manufactured in advance before the concrete template is installed, and the foundation bolts are assembled in advance, so that the installation procedure of installing the foundation bolts one by one on the spot by workers is reduced in the subsequent installation flow process, and the construction progress is greatly accelerated;
4. after the assembled foundation bolt is placed into the vertical rib of the column cap, the center line is aligned with the center line simply, conveniently and quickly, and the adjustment is easy, so that the installation difficulty of the foundation bolt is reduced, the construction quality is guaranteed, and the construction progress is greatly accelerated.
The strength of the assembled whole foundation bolt is greatly increased due to the arrangement of the reinforcing inclined rod.
The square hole can effectively reduce the weight of the invention and save the material cost.
Drawings
FIG. 1 is a schematic top view of the bolt positioning plate, the longitudinal positioning plate, the transverse positioning plate and the leg of the present invention when they are connected together;
FIG. 2 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 is a front view of the present invention illustrating the assembly of a plurality of anchor bolts;
FIG. 5 is a front view of a plurality of individual anchor bolts assembled as a unit;
FIG. 6 is a schematic cross-sectional view taken along line C-C of FIG. 5;
FIG. 7 is a front view of the structure of the top stirrup and all of the lower stirrups when they are tied to the vertical bars of the column head;
FIG. 8 is a cross-sectional view taken along line D-D of FIG. 7;
FIG. 9 is a front view schematically showing the construction of an anchor bolt assembled as a unit on a stud.
Detailed Description
The method for mounting a foundation bolt according to the present invention will be described in further detail with reference to the accompanying drawings and embodiments:
for convenience of description, the terms "front, rear, left, and right" are used hereinafter to refer to the bottom, top, left, and right portions of fig. 1, respectively.
In the present embodiment, the present invention provides a method for mounting a foundation bolt, including the steps of:
(1) According to the plane arrangement requirement of the foundation bolts in a single foundation column in the design drawing, the quantity of the foundation bolts with the specified specification is prepared; in the embodiment, foundation bolts in a foundation column head in a drawing are arranged in a rectangular shape, and the required number is eight;
(2) Referring to fig. 4 to 6, two transverse bolt support bars 22 are cut, the length of each transverse bolt support bar 22 is equal to the transverse side length of the cross section of the base stud, and a central line is drawn on each transverse bolt support bar 22;
(3) Referring to fig. 4 to 6, two longitudinal bolt supports 23 are cut, the length of each longitudinal bolt support 23 is equal to the longitudinal side length of the cross section of the foundation stud, and a central line is drawn on each longitudinal bolt support 23;
(4) Referring to fig. 4 to 6, four connecting rods 21 are cut out, and the length of each connecting rod 21 is equal to the side length of a shape surrounded by the foundation bolts 20 arranged in the drawing;
(5) Referring to fig. 1 to 3, a rectangular bolt positioning plate 10 is made of a steel plate, bolt through holes 16 are drilled in the top surface of the bolt positioning plate 10, the number of the bolt through holes 16 is equal to that of foundation bolts 20 arranged in a drawing, eight bolt through holes are drilled in the embodiment, the positions of the eight bolt through holes 16 are the same as the installation positions of the foundation bolts 20 arranged in the drawing, a plurality of uniformly distributed basic axis punching holes 11 are drilled in the top surface of the bolt positioning plate 10, the center positions of four sides are all provided, and of course, center lines can be carved in the center positions of the four sides, so that the positioning work during the assembly of the foundation bolts is accelerated;
(6) Referring to fig. 1 to 3, two transverse positioning plane plates 12 are cut, and a plurality of base axis sample punching holes 11 which are uniformly distributed are punched at the center positions of the top surfaces of the two transverse positioning plane plates 12, or a central line can be carved; the two transverse positioning plane plates 12 are symmetrically arranged on the front side and the rear side of the top surface of the bolt positioning plate 10 through the transverse vertical plates 13 respectively, so that the basic axis sample punching holes 11 are aligned with the basic axis sample punching holes 11 on the top surface of the bolt positioning plate 10; referring to fig. 4, the height between the top surface of the transverse positioning plane plate 12 and the top surface of the bolt positioning plate 10 is determined according to the thickness of the nut 25 and the diameter of the transverse bolt supporting rod 22, and when the end surface of the lower nut 25 abuts against the bottom surface of the bolt positioning plate 10 and the transverse bolt supporting rod 22 is located on the top surface of the transverse positioning plane plate 12, the distance h therebetween is equal to the height h' (see fig. 9) of the exposed thread section when the anchor bolt specified in the drawing is mounted on the stud vertical rib 30;
(7) Referring to fig. 1 to 3, two longitudinal positioning plane plates 15 are cut, and a base axis-like punching hole 11 is punched on the top surfaces of the two longitudinal positioning plane plates 15, or a central line can be carved; the two longitudinal positioning plane plates 15 are symmetrically arranged on the left side and the right side of the top surface of the bolt positioning plate 10 through the longitudinal vertical plates 14 respectively, so that the basic axis sample punching holes 11 are aligned with the basic axis sample punching holes 11 on the top surface of the bolt positioning plate 10; the height between the top surface of the longitudinal positioning plane plate 15 and the top surface of the bolt positioning plate 10 is obtained by subtracting the diameter of the longitudinal bolt support rod 23 from the height of the top surface of the transverse positioning plane plate 12, see fig. 4;
(8) Referring to fig. 1 to 3, four legs 18 are cut out and mounted on the bottom surface of the bolt positioning plate 10, one leg 18 being a corner;
(9) Referring to fig. 4, the threaded section of each anchor bolt 20 is inserted into the bolt through hole 16 and fixed on the bolt positioning plate 10 through two nuts 25, each of the top surface and the bottom surface of the bolt positioning plate 10 is provided with one nut 25, so that the bottom surface of the threaded section is flush with the bottom surface of the nut 25 below or the nut 25 below is just exposed, and other anchor bolts 20 are also fixed on the bolt positioning plate 10 according to the method, and at the moment, each anchor bolt 20 is in a vertical state under the fixing action of the nut 25;
(10) Referring to fig. 4, two transverse bolt support rods 22 are respectively placed on two transverse positioning plane plates 12 to ensure that the central lines drawn on the peripheral walls of the transverse bolt support rods are aligned with the basic axis punching holes 11 on the transverse positioning plane plates 12, and the transverse bolt support rods 22 are welded with the foundation bolts 20 attached to the transverse bolt support rods, so that the two transverse bolt support rods 22 are respectively and fixedly connected with the foundation bolts 20 on the front side and the rear side;
(11) Referring to fig. 4, two longitudinal bolt support rods 23 are respectively placed on two longitudinal positioning plane plates 15, and the central lines drawn on the peripheral walls of the longitudinal bolt support rods are aligned with the foundation axis punching holes 11 on the longitudinal positioning plane plates 15, and the longitudinal bolt support rods 23 and the foundation bolts 20 attached to the longitudinal bolt support rods are welded, so that the two longitudinal bolt support rods 23 are respectively and fixedly connected with the foundation bolts 20 on the left side and the right side;
(12) With reference to fig. 4, four connecting rods 21 are welded to the periphery of the rectangular shape surrounded by the eight anchor bolts 20, and the four connecting rods 21 are all located at the ends of the embedded structures 26 of the anchor bolts 20;
(13) After all welding is finished, the eight foundation bolts are assembled into a whole, and the nuts 25 are unscrewed to be taken down;
(14) After concrete pouring below the foundation column cap is finished, adjusting the column cap vertical ribs 30 according to the requirements of a drawing to ensure the height and the plane position of the column cap vertical ribs;
(15) Referring to fig. 7 and 9, an elevation position line of a top-layer stirrup 31 and an elevation position line of a topmost-layer lower stirrup 32 below the embedded structure 26 are drawn at the top of a column-head vertical rib 30 by measuring and paying off;
(16) Referring to fig. 7 to 9, binding a top layer stirrup 31 on the outermost periphery of the top of the column cap vertical rib 30 according to the position line, firmly welding the top layer stirrup with the column cap vertical rib 30, binding all lower stirrups 32 below the embedded structure 26, and temporarily not binding stirrups between the top layer stirrup 31 and the uppermost lower stirrup 32;
(17) Referring to fig. 7, a plane positioning center line of the anchor bolt 20 is drawn on the top layer stirrup 31 by measuring the setting-out;
(18) Referring to fig. 9, the whole foundation bolt taken down in the step (13) is placed in a cavity surrounded by vertical studs 30, the thread section is ensured to be upward, then two transverse bolt support rods 22 are lapped on the top layer stirrup 31, the central lines drawn on the two transverse bolt support rods 22 and the two longitudinal bolt support rods 23 are respectively aligned with the plane positioning central line drawn on the top layer stirrup 31, and then the transverse bolt support rods 22 and the top layer stirrup 31 are firmly bound;
(19) Binding all unbound stirrups in the column head vertical reinforcement 30;
(20) The frame line of a basic column cap is drawn by measuring and paying off, then a column cap template is installed, and because the lengths of the two transverse bolt support rods 22 and the two longitudinal bolt support rods 23 are equal to the side length of the section of the basic column cap, the installation quality of the column cap template can be checked through the transverse bolt support rods and the longitudinal bolt support rods, and the installation quality of the foundation bolt 20 can also be checked through the installation of the column cap template, so that errors can be adjusted and eliminated in time in installation operation;
(21) And (3) detecting the installed integral foundation bolt, firmly welding the transverse bolt support rod 22 and the top-layer stirrup 31 after the integral foundation bolt is qualified, and protecting the threaded section of the foundation bolt 20 to obtain a finished product, wherein the finished product has concrete pouring conditions.
Referring to fig. 4 to 6, in order to greatly increase the strength of the assembled integral anchor bolt, one reinforcement diagonal member 24 is simultaneously cut out in step (4), and the reinforcement diagonal member 24 is welded to the diagonal lines of the rectangular shape surrounded by the eight anchor bolts 20 in step (12), the reinforcement diagonal member 24 being adjacent to the transverse bolt-supporting rods 22.
In order to effectively reduce the weight of the invention and save the material cost, the middle part of the bolt positioning plate 10 is provided with a square hole 17.
The installation method of the foundation bolt has the following advantages:
1. when the foundation bolts are installed, the existing bolt positioning frame is not needed, so that the material for manufacturing a plurality of bolt positioning frames and the manual manufacturing cost are saved;
2. when the invention is manufactured, the invention can be manufactured by adopting leftover bits and pieces, and can be repeatedly used after the manufacture is finished, thereby greatly saving the cost;
3. the integral foundation bolt can be manufactured in advance before the concrete template is installed, and the foundation bolt is assembled in advance, so that the integral foundation bolt is installed in a cavity surrounded by vertical ribs of a column cap at one time in the subsequent installation flow process, the installation procedure of installing the foundation bolt one by workers on site is reduced, and the construction progress is greatly accelerated;
4. after the assembled foundation bolt is placed into the vertical rib of the column cap, the center line is aligned with the center line simply, conveniently and quickly, and the adjustment is easy, so that the installation difficulty of the foundation bolt is reduced, the construction quality is guaranteed, and the construction progress is greatly accelerated.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention by those skilled in the art should fall within the protection scope of the present invention without departing from the design spirit of the present invention.
Claims (3)
1. A method for mounting an anchor bolt, comprising the steps of:
(1) According to the plane arrangement requirement of the foundation bolts in a single foundation column in the design drawing, the quantity of the foundation bolts with the specified specification is prepared;
(2) Intercepting two transverse bolt support rods (22), wherein the length of each transverse bolt support rod is equal to the transverse side length of the section of the column head of the foundation, and drawing central lines on the two transverse bolt support rods (22);
(3) Intercepting two longitudinal bolt support rods (23), wherein the length of each longitudinal bolt support rod is equal to the longitudinal side length of the section of the basic column cap, and drawing a central line on the two longitudinal bolt support rods (23);
(4) Cutting out four connecting rods (21), wherein the length of each connecting rod (21) is equal to the side length of a shape surrounded by foundation bolts arranged in a drawing;
(5) Manufacturing a bolt positioning plate (10), drilling bolt through holes (16) with the number equal to that of foundation bolts (20) arranged in a drawing on the top surface of the bolt positioning plate, wherein the positions of the bolt through holes (16) are the same as the installation positions of the foundation bolts (20) arranged in the drawing, and drilling basic axis sample punching holes (11) or carving central lines on the top surface of the bolt positioning plate (10);
(6) Cutting two transverse positioning plane plates (12), punching basic axis sample punching holes (11) or carving center lines on the top surfaces of the two transverse positioning plane plates, symmetrically installing the two transverse positioning plane plates (12) on the front side and the rear side of the top surface of a bolt positioning plate (10) respectively, ensuring that the basic axis sample punching holes (11) or the carving center lines are aligned with the basic axis sample punching holes (11) or the carving center lines on the top surface of the bolt positioning plate (10), determining the height between the top surface of the transverse positioning plane plate (12) and the top surface of the bolt positioning plate (10) according to the thickness of a nut (25) and the diameter of a transverse bolt supporting rod (22), and ensuring that the exposed height h 'of a threaded section is equal to the exposed height h' when an end surface of the nut (25) is attached to the bottom surface of the bolt positioning plate (10) and the transverse bolt supporting rod (22) is located on the top surface of the transverse positioning plane plate (12) and an anchor bolt specified in a drawing is installed on a vertical stud;
(7) Cutting two longitudinal positioning plane plates (15), punching basic axis sample punching holes (11) or carving center lines on the top surfaces of the two longitudinal positioning plane plates, symmetrically installing the two longitudinal positioning plane plates (15) on the left side and the right side of the top surface of the bolt positioning plate (10) respectively, ensuring that the basic axis sample punching holes (11) or the carving center lines are aligned with the basic axis sample punching holes (11) or the carving center lines on the top surface of the bolt positioning plate (10), and obtaining the height between the top surfaces of the longitudinal positioning plane plates (15) and the top surface of the bolt positioning plate (10) by subtracting the diameter of a longitudinal bolt supporting rod (23) from the height of the top surface of a transverse positioning plane plate (12);
(8) Cutting a plurality of supporting legs (18) and mounting the supporting legs on the bottom surface of the bolt positioning plate (10);
(9) Inserting the thread sections of the foundation bolts (20) into the bolt through holes (16), fixing the foundation bolts on the bolt positioning plate (10) through two nuts (25), respectively arranging one nut (25) on the top surface and the bottom surface of the bolt positioning plate (10), ensuring that the bottom surfaces of the thread sections are flush with the bottom surfaces of the nuts (25) below or just exposing the nuts (25) below, and fixing other foundation bolts (20) on the bolt positioning plate (10) according to the method;
(10) Respectively placing two transverse bolt support rods (22) on two transverse positioning plane plates (12) to ensure that the central lines drawn on the peripheral walls of the two transverse bolt support rods are aligned with basic axis sample punching holes (11) or the central lines drawn on the transverse positioning plane plates (12), and welding the transverse bolt support rods (22) with foundation bolts (20) attached to the transverse bolt support rods;
(11) Respectively placing two longitudinal bolt support rods (23) on two longitudinal positioning plane plates (15), ensuring that the central line drawn on the peripheral wall of each longitudinal bolt support rod is aligned with the basic axis sample punching hole (11) or the central line drawn on the longitudinal positioning plane plate (15), and welding the longitudinal bolt support rods (23) and the foundation bolts (20) attached to the longitudinal bolt support rods;
(12) Welding four connecting rods (21) to the periphery of the shape surrounded by the foundation bolts (20), wherein the four connecting rods (21) are positioned at the ends of embedded structures (26) of the foundation bolts (20);
(13) After all welding is finished, all foundation bolts are assembled into a whole, and the nut (25) is unscrewed to take down the foundation bolts;
(14) After concrete pouring below the foundation column head is finished, adjusting column head vertical ribs (30) according to the requirements of a drawing to ensure the height and the plane position of the column head vertical ribs;
(15) Drawing an elevation position line of a top layer stirrup (31) and an elevation position line of a topmost layer lower stirrup (32) below the embedded structure (26) at the top of a column head vertical rib (30) by measuring and paying off;
(16) Binding top layer stirrups (31) on the outermost periphery of the top of the column cap vertical rib (30) according to the position line, firmly welding the top layer stirrups with the column cap vertical rib (30), binding all lower stirrups (32) below the embedded structure (26), and temporarily not binding the stirrups between the top layer stirrups (31) and the uppermost layer lower stirrups (32);
(17) Drawing a plane positioning central line of the foundation bolt (20) on the top layer stirrup (31) by measuring and paying off;
(18) Putting the whole foundation bolt taken down in the step (13) into a cavity surrounded by vertical ribs (30) of a column cap, ensuring that the thread section is upward, then lapping two transverse bolt support rods (22) on a top layer stirrup (31), ensuring that central lines drawn on the two transverse bolt support rods (22) and two longitudinal bolt support rods (23) are respectively aligned with a plane positioning central line drawn on the top layer stirrup (31), and then firmly binding the two transverse bolt support rods (22) and the top layer stirrup (31);
(19) Binding all unbound stirrups in the column head vertical bars (30) completely;
(20) Drawing a frame line of a basic column head by measuring and paying off, and then installing a column head template;
(21) And detecting the whole foundation bolt after the installation is finished, firmly welding the transverse bolt supporting rod (22) and the top layer stirrup (31) after the transverse bolt supporting rod is qualified, and protecting the threaded section of the foundation bolt (20) to obtain a finished product.
2. The method for mounting an anchor bolt according to claim 1, wherein: a reinforcement diagonal member (24) is simultaneously cut out in step (4), and the reinforcement diagonal member (24) is welded to the diagonal of the shape surrounded by all anchor bolts (20) in step (12).
3. The method for mounting an anchor bolt according to claim 2, wherein: the middle part of the bolt positioning plate (10) is provided with a square hole (17).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710366952.9A CN106968268B (en) | 2017-05-23 | 2017-05-23 | Installation method of foundation bolt |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710366952.9A CN106968268B (en) | 2017-05-23 | 2017-05-23 | Installation method of foundation bolt |
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| CN106968268A CN106968268A (en) | 2017-07-21 |
| CN106968268B true CN106968268B (en) | 2023-03-28 |
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| CN107761756A (en) * | 2017-09-26 | 2018-03-06 | 郑州东辰科技有限公司 | A kind of installation method of stringing steel tower |
| CN112647531A (en) * | 2020-12-14 | 2021-04-13 | 太原重工工程技术有限公司 | Method for mounting rear inverted-pi foundation bolt |
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| JP4491030B2 (en) * | 2008-08-12 | 2010-06-30 | 幸康 中島 | Anchor bolt set device |
| CN104895101B (en) * | 2015-06-10 | 2016-08-24 | 杭州江润科技有限公司 | The construction method of raft foundation high accuracy integral built-in large diameter bolt group structure |
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